diff options
| author |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-27 06:32:31 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-28 20:08:19 -0300 |
| commit | 43f71d93a0cb342f0c918fba3f6abb7661e40ad2 (patch) | |
| tree | a1dc7288bc480e7027ca1827ca4876472fa12e40 /Documentation/DocBook/media/dvb | |
| parent | Merge tag 'media/v4.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media (diff) | |
| download | linux-dev-43f71d93a0cb342f0c918fba3f6abb7661e40ad2.tar.xz linux-dev-43f71d93a0cb342f0c918fba3f6abb7661e40ad2.zip | |
doc-rst: Remove the media docbook
Now that all media documentation was converted to Sphinx, we
should get rid of the old DocBook one, as we don't want people
to submit patches against the old stuff.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/DocBook/media/dvb')
24 files changed, 0 insertions, 9631 deletions
diff --git a/Documentation/DocBook/media/dvb/.gitignore b/Documentation/DocBook/media/dvb/.gitignore deleted file mode 100644 index d7ec32eafac9..000000000000 --- a/Documentation/DocBook/media/dvb/.gitignore +++ /dev/null @@ -1 +0,0 @@ -!*.xml diff --git a/Documentation/DocBook/media/dvb/audio.xml b/Documentation/DocBook/media/dvb/audio.xml deleted file mode 100644 index ea56743ddbe7..000000000000 --- a/Documentation/DocBook/media/dvb/audio.xml +++ /dev/null @@ -1,1314 +0,0 @@ -<title>DVB Audio Device</title> -<para>The DVB audio device controls the MPEG2 audio decoder of the DVB hardware. It -can be accessed through <constant>/dev/dvb/adapter?/audio?</constant>. Data types and and -ioctl definitions can be accessed by including <constant>linux/dvb/audio.h</constant> in your -application. -</para> -<para>Please note that some DVB cards don’t have their own MPEG decoder, which results in -the omission of the audio and video device. -</para> -<para> -These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use -of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls -have been created to replace that functionality.</para> - -<section id="audio_data_types"> -<title>Audio Data Types</title> -<para>This section describes the structures, data types and defines used when talking to the -audio device. -</para> - -<section id="audio-stream-source-t"> -<title>audio_stream_source_t</title> -<para>The audio stream source is set through the AUDIO_SELECT_SOURCE call and can take -the following values, depending on whether we are replaying from an internal (demux) or -external (user write) source. -</para> -<programlisting> -typedef enum { - AUDIO_SOURCE_DEMUX, - AUDIO_SOURCE_MEMORY -} audio_stream_source_t; -</programlisting> -<para>AUDIO_SOURCE_DEMUX selects the demultiplexer (fed either by the frontend or the -DVR device) as the source of the video stream. If AUDIO_SOURCE_MEMORY -is selected the stream comes from the application through the <constant>write()</constant> system -call. -</para> - -</section> -<section id="audio-play-state-t"> -<title>audio_play_state_t</title> -<para>The following values can be returned by the AUDIO_GET_STATUS call representing the -state of audio playback. -</para> -<programlisting> -typedef enum { - AUDIO_STOPPED, - AUDIO_PLAYING, - AUDIO_PAUSED -} audio_play_state_t; -</programlisting> - -</section> -<section id="audio-channel-select-t"> -<title>audio_channel_select_t</title> -<para>The audio channel selected via AUDIO_CHANNEL_SELECT is determined by the -following values. -</para> -<programlisting> -typedef enum { - AUDIO_STEREO, - AUDIO_MONO_LEFT, - AUDIO_MONO_RIGHT, - AUDIO_MONO, - AUDIO_STEREO_SWAPPED -} audio_channel_select_t; -</programlisting> - -</section> -<section id="audio-status"> -<title>struct audio_status</title> -<para>The AUDIO_GET_STATUS call returns the following structure informing about various -states of the playback operation. -</para> -<programlisting> -typedef struct audio_status { - boolean AV_sync_state; - boolean mute_state; - audio_play_state_t play_state; - audio_stream_source_t stream_source; - audio_channel_select_t channel_select; - boolean bypass_mode; - audio_mixer_t mixer_state; -} audio_status_t; -</programlisting> - -</section> -<section id="audio-mixer"> -<title>struct audio_mixer</title> -<para>The following structure is used by the AUDIO_SET_MIXER call to set the audio -volume. -</para> -<programlisting> -typedef struct audio_mixer { - unsigned int volume_left; - unsigned int volume_right; -} audio_mixer_t; -</programlisting> - -</section> -<section id="audio_encodings"> -<title>audio encodings</title> -<para>A call to AUDIO_GET_CAPABILITIES returns an unsigned integer with the following -bits set according to the hardwares capabilities. -</para> -<programlisting> - #define AUDIO_CAP_DTS 1 - #define AUDIO_CAP_LPCM 2 - #define AUDIO_CAP_MP1 4 - #define AUDIO_CAP_MP2 8 - #define AUDIO_CAP_MP3 16 - #define AUDIO_CAP_AAC 32 - #define AUDIO_CAP_OGG 64 - #define AUDIO_CAP_SDDS 128 - #define AUDIO_CAP_AC3 256 -</programlisting> - -</section> -<section id="audio-karaoke"> -<title>struct audio_karaoke</title> -<para>The ioctl AUDIO_SET_KARAOKE uses the following format: -</para> -<programlisting> -typedef -struct audio_karaoke { - int vocal1; - int vocal2; - int melody; -} audio_karaoke_t; -</programlisting> -<para>If Vocal1 or Vocal2 are non-zero, they get mixed into left and right t at 70% each. If both, -Vocal1 and Vocal2 are non-zero, Vocal1 gets mixed into the left channel and Vocal2 into the -right channel at 100% each. Ff Melody is non-zero, the melody channel gets mixed into left -and right. -</para> - -</section> -<section id="audio-attributes-t"> -<title>audio attributes</title> -<para>The following attributes can be set by a call to AUDIO_SET_ATTRIBUTES: -</para> -<programlisting> - typedef uint16_t audio_attributes_t; - /⋆ bits: descr. ⋆/ - /⋆ 15-13 audio coding mode (0=ac3, 2=mpeg1, 3=mpeg2ext, 4=LPCM, 6=DTS, ⋆/ - /⋆ 12 multichannel extension ⋆/ - /⋆ 11-10 audio type (0=not spec, 1=language included) ⋆/ - /⋆ 9- 8 audio application mode (0=not spec, 1=karaoke, 2=surround) ⋆/ - /⋆ 7- 6 Quantization / DRC (mpeg audio: 1=DRC exists)(lpcm: 0=16bit, ⋆/ - /⋆ 5- 4 Sample frequency fs (0=48kHz, 1=96kHz) ⋆/ - /⋆ 2- 0 number of audio channels (n+1 channels) ⋆/ -</programlisting> - </section></section> -<section id="audio_function_calls"> -<title>Audio Function Calls</title> - - -<section id="audio_fopen"> -<title>open()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call opens a named audio device (e.g. /dev/dvb/adapter0/audio0) - for subsequent use. When an open() call has succeeded, the device will be ready - for use. The significance of blocking or non-blocking mode is described in the - documentation for functions where there is a difference. It does not affect the - semantics of the open() call itself. A device opened in blocking mode can later - be put into non-blocking mode (and vice versa) using the F_SETFL command - of the fcntl system call. This is a standard system call, documented in the Linux - manual page for fcntl. Only one user can open the Audio Device in O_RDWR - mode. All other attempts to open the device in this mode will fail, and an error - code will be returned. If the Audio Device is opened in O_RDONLY mode, the - only ioctl call that can be used is AUDIO_GET_STATUS. All other call will - return with an error code.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int open(const char ⋆deviceName, int flags);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>const char - *deviceName</para> -</entry><entry - align="char"> -<para>Name of specific audio device.</para> -</entry> - </row><row><entry - align="char"> -<para>int flags</para> -</entry><entry - align="char"> -<para>A bit-wise OR of the following flags:</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDONLY read-only access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDWR read/write access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_NONBLOCK open in non-blocking mode</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>(blocking mode is the default)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>ENODEV</para> -</entry><entry - align="char"> -<para>Device driver not loaded/available.</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>Device or resource busy.</para> -</entry> - </row><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="audio_fclose"> -<title>close()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call closes a previously opened audio device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int close(int fd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="audio_fwrite"> -<title>write()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call can only be used if AUDIO_SOURCE_MEMORY is selected - in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in - PES format. If O_NONBLOCK is not specified the function will block until - buffer space is available. The amount of data to be transferred is implied by - count.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>size_t write(int fd, const void ⋆buf, size_t count);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>void *buf</para> -</entry><entry - align="char"> -<para>Pointer to the buffer containing the PES data.</para> -</entry> - </row><row><entry - align="char"> -<para>size_t count</para> -</entry><entry - align="char"> -<para>Size of buf.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EPERM</para> -</entry><entry - align="char"> -<para>Mode AUDIO_SOURCE_MEMORY not selected.</para> -</entry> - </row><row><entry - align="char"> -<para>ENOMEM</para> -</entry><entry - align="char"> -<para>Attempted to write more data than the internal buffer can - hold.</para> -</entry> - </row><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="AUDIO_STOP" -role="subsection"><title>AUDIO_STOP</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to stop playing the current stream.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_STOP);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_STOP for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_PLAY" -role="subsection"><title>AUDIO_PLAY</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to start playing an audio stream from the - selected source.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_PLAY);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_PLAY for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_PAUSE" -role="subsection"><title>AUDIO_PAUSE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call suspends the audio stream being played. Decoding and playing - are paused. It is then possible to restart again decoding and playing process of - the audio stream using AUDIO_CONTINUE command.</para> -</entry> - </row><row><entry - align="char"> -<para>If AUDIO_SOURCE_MEMORY is selected in the ioctl call - AUDIO_SELECT_SOURCE, the DVB-subsystem will not decode (consume) - any more data until the ioctl call AUDIO_CONTINUE or AUDIO_PLAY is - performed.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_PAUSE);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_PAUSE for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_CONTINUE" -role="subsection"><title>AUDIO_CONTINUE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl restarts the decoding and playing process previously paused -with AUDIO_PAUSE command.</para> -</entry> - </row><row><entry - align="char"> -<para>It only works if the stream were previously stopped with AUDIO_PAUSE</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_CONTINUE);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_CONTINUE for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SELECT_SOURCE" -role="subsection"><title>AUDIO_SELECT_SOURCE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call informs the audio device which source shall be used - for the input data. The possible sources are demux or memory. If - AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device - through the write command.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_SELECT_SOURCE, - audio_stream_source_t source);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SELECT_SOURCE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_stream_source_t - source</para> -</entry><entry - align="char"> -<para>Indicates the source that shall be used for the Audio - stream.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_MUTE" -role="subsection"><title>AUDIO_SET_MUTE</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -&VIDIOC-DECODER-CMD; with the <constant>V4L2_DEC_CMD_START_MUTE_AUDIO</constant> flag instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the audio device to mute the stream that is currently being - played.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_SET_MUTE, - boolean state);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_MUTE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>boolean state</para> -</entry><entry - align="char"> -<para>Indicates if audio device shall mute or not.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>TRUE Audio Mute</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>FALSE Audio Un-mute</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_AV_SYNC" -role="subsection"><title>AUDIO_SET_AV_SYNC</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to turn ON or OFF A/V synchronization.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_SET_AV_SYNC, - boolean state);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_AV_SYNC for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>boolean state</para> -</entry><entry - align="char"> -<para>Tells the DVB subsystem if A/V synchronization shall be - ON or OFF.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>TRUE AV-sync ON</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>FALSE AV-sync OFF</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_BYPASS_MODE" -role="subsection"><title>AUDIO_SET_BYPASS_MODE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to bypass the Audio decoder and forward - the stream without decoding. This mode shall be used if streams that can’t be - handled by the DVB system shall be decoded. Dolby DigitalTM streams are - automatically forwarded by the DVB subsystem if the hardware can handle it.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - AUDIO_SET_BYPASS_MODE, boolean mode);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_BYPASS_MODE for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>boolean mode</para> -</entry><entry - align="char"> -<para>Enables or disables the decoding of the current Audio - stream in the DVB subsystem.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>TRUE Bypass is disabled</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>FALSE Bypass is enabled</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_CHANNEL_SELECT" -role="subsection"><title>AUDIO_CHANNEL_SELECT</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -<constant>V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK</constant> control instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to select the requested channel if possible.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - AUDIO_CHANNEL_SELECT, audio_channel_select_t);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_CHANNEL_SELECT for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_channel_select_t - ch</para> -</entry><entry - align="char"> -<para>Select the output format of the audio (mono left/right, - stereo).</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_BILINGUAL_CHANNEL_SELECT" -role="subsection"><title>AUDIO_BILINGUAL_CHANNEL_SELECT</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. It has been replaced by -the V4L2 <constant>V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK</constant> control -for MPEG decoders controlled through V4L2.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to select the requested channel for bilingual streams if possible.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - AUDIO_BILINGUAL_CHANNEL_SELECT, audio_channel_select_t);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_BILINGUAL_CHANNEL_SELECT for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_channel_select_t -ch</para> -</entry><entry - align="char"> -<para>Select the output format of the audio (mono left/right, - stereo).</para> -</entry> - </row> -</tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_GET_PTS" -role="subsection"><title>AUDIO_GET_PTS</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. If you need this functionality, -then please contact the linux-media mailing list (&v4l-ml;).</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to return the current PTS timestamp.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - AUDIO_GET_PTS, __u64 *pts);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_GET_PTS for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u64 *pts -</para> -</entry><entry - align="char"> -<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1. -</para> -<para> -The PTS should belong to the currently played -frame if possible, but may also be a value close to it -like the PTS of the last decoded frame or the last PTS -extracted by the PES parser.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_GET_STATUS" -role="subsection"><title>AUDIO_GET_STATUS</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to return the current state of the Audio - Device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_GET_STATUS, - struct audio_status ⋆status);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_GET_STATUS for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct audio_status - *status</para> -</entry><entry - align="char"> -<para>Returns the current state of Audio Device.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_GET_CAPABILITIES" -role="subsection"><title>AUDIO_GET_CAPABILITIES</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to tell us about the decoding capabilities - of the audio hardware.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - AUDIO_GET_CAPABILITIES, unsigned int ⋆cap);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_GET_CAPABILITIES for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>unsigned int *cap</para> -</entry><entry - align="char"> -<para>Returns a bit array of supported sound formats.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_CLEAR_BUFFER" -role="subsection"><title>AUDIO_CLEAR_BUFFER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Audio Device to clear all software and hardware buffers - of the audio decoder device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_CLEAR_BUFFER);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_CLEAR_BUFFER for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_ID" -role="subsection"><title>AUDIO_SET_ID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl selects which sub-stream is to be decoded if a program or system - stream is sent to the video device. If no audio stream type is set the id has to be - in [0xC0,0xDF] for MPEG sound, in [0x80,0x87] for AC3 and in [0xA0,0xA7] - for LPCM. More specifications may follow for other stream types. If the stream - type is set the id just specifies the substream id of the audio stream and only - the first 5 bits are recognized.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_SET_ID, int - id);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_ID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int id</para> -</entry><entry - align="char"> -<para>audio sub-stream id</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_MIXER" -role="subsection"><title>AUDIO_SET_MIXER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl lets you adjust the mixer settings of the audio decoder.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = AUDIO_SET_MIXER, - audio_mixer_t ⋆mix);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_ID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_mixer_t *mix</para> -</entry><entry - align="char"> -<para>mixer settings.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="AUDIO_SET_STREAMTYPE" -role="subsection"><title>AUDIO_SET_STREAMTYPE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl tells the driver which kind of audio stream to expect. This is useful - if the stream offers several audio sub-streams like LPCM and AC3.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = AUDIO_SET_STREAMTYPE, - int type);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_STREAMTYPE for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>int type</para> -</entry><entry - align="char"> -<para>stream type</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>type is not a valid or supported stream type.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="AUDIO_SET_EXT_ID" -role="subsection"><title>AUDIO_SET_EXT_ID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl can be used to set the extension id for MPEG streams in DVD - playback. Only the first 3 bits are recognized.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = AUDIO_SET_EXT_ID, int - id);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_EXT_ID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int id</para> -</entry><entry - align="char"> -<para>audio sub_stream_id</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>id is not a valid id.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="AUDIO_SET_ATTRIBUTES" -role="subsection"><title>AUDIO_SET_ATTRIBUTES</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is intended for DVD playback and allows you to set certain - information about the audio stream.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = AUDIO_SET_ATTRIBUTES, - audio_attributes_t attr );</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_ATTRIBUTES for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_attributes_t - attr</para> -</entry><entry - align="char"> -<para>audio attributes according to section ??</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>attr is not a valid or supported attribute setting.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="AUDIO_SET_KARAOKE" -role="subsection"><title>AUDIO_SET_KARAOKE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl allows one to set the mixer settings for a karaoke DVD.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = AUDIO_SET_KARAOKE, - audio_karaoke_t ⋆karaoke);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals AUDIO_SET_KARAOKE for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>audio_karaoke_t - *karaoke</para> -</entry><entry - align="char"> -<para>karaoke settings according to section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>karaoke is not a valid or supported karaoke setting.</para> -</entry> - </row></tbody></tgroup></informaltable> - </section> -</section> diff --git a/Documentation/DocBook/media/dvb/ca.xml b/Documentation/DocBook/media/dvb/ca.xml deleted file mode 100644 index d0b07e763908..000000000000 --- a/Documentation/DocBook/media/dvb/ca.xml +++ /dev/null @@ -1,582 +0,0 @@ -<title>DVB CA Device</title> -<para>The DVB CA device controls the conditional access hardware. It can be accessed through -<constant>/dev/dvb/adapter?/ca?</constant>. Data types and and ioctl definitions can be accessed by -including <constant>linux/dvb/ca.h</constant> in your application. -</para> - -<section id="ca_data_types"> -<title>CA Data Types</title> - - -<section id="ca-slot-info"> -<title>ca_slot_info_t</title> - <programlisting> -typedef struct ca_slot_info { - int num; /⋆ slot number ⋆/ - - int type; /⋆ CA interface this slot supports ⋆/ -#define CA_CI 1 /⋆ CI high level interface ⋆/ -#define CA_CI_LINK 2 /⋆ CI link layer level interface ⋆/ -#define CA_CI_PHYS 4 /⋆ CI physical layer level interface ⋆/ -#define CA_DESCR 8 /⋆ built-in descrambler ⋆/ -#define CA_SC 128 /⋆ simple smart card interface ⋆/ - - unsigned int flags; -#define CA_CI_MODULE_PRESENT 1 /⋆ module (or card) inserted ⋆/ -#define CA_CI_MODULE_READY 2 -} ca_slot_info_t; -</programlisting> - -</section> -<section id="ca-descr-info"> -<title>ca_descr_info_t</title> -<programlisting> -typedef struct ca_descr_info { - unsigned int num; /⋆ number of available descramblers (keys) ⋆/ - unsigned int type; /⋆ type of supported scrambling system ⋆/ -#define CA_ECD 1 -#define CA_NDS 2 -#define CA_DSS 4 -} ca_descr_info_t; -</programlisting> - -</section> -<section id="ca-caps"> -<title>ca_caps_t</title> -<programlisting> -typedef struct ca_caps { - unsigned int slot_num; /⋆ total number of CA card and module slots ⋆/ - unsigned int slot_type; /⋆ OR of all supported types ⋆/ - unsigned int descr_num; /⋆ total number of descrambler slots (keys) ⋆/ - unsigned int descr_type;/⋆ OR of all supported types ⋆/ - } ca_cap_t; -</programlisting> - -</section> -<section id="ca-msg"> -<title>ca_msg_t</title> -<programlisting> -/⋆ a message to/from a CI-CAM ⋆/ -typedef struct ca_msg { - unsigned int index; - unsigned int type; - unsigned int length; - unsigned char msg[256]; -} ca_msg_t; -</programlisting> - -</section> -<section id="ca-descr"> -<title>ca_descr_t</title> -<programlisting> -typedef struct ca_descr { - unsigned int index; - unsigned int parity; - unsigned char cw[8]; -} ca_descr_t; -</programlisting> -</section> - -<section id="ca-pid"> -<title>ca-pid</title> -<programlisting> -typedef struct ca_pid { - unsigned int pid; - int index; /⋆ -1 == disable⋆/ -} ca_pid_t; -</programlisting> -</section></section> - -<section id="ca_function_calls"> -<title>CA Function Calls</title> - - -<section id="ca_fopen"> -<title>open()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call opens a named ca device (e.g. /dev/ost/ca) for subsequent use.</para> -<para>When an open() call has succeeded, the device will be ready for use. - The significance of blocking or non-blocking mode is described in the - documentation for functions where there is a difference. It does not affect the - semantics of the open() call itself. A device opened in blocking mode can later - be put into non-blocking mode (and vice versa) using the F_SETFL command - of the fcntl system call. This is a standard system call, documented in the Linux - manual page for fcntl. Only one user can open the CA Device in O_RDWR - mode. All other attempts to open the device in this mode will fail, and an error - code will be returned.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int open(const char ⋆deviceName, int flags);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>const char - *deviceName</para> -</entry><entry - align="char"> -<para>Name of specific video device.</para> -</entry> - </row><row><entry - align="char"> -<para>int flags</para> -</entry><entry - align="char"> -<para>A bit-wise OR of the following flags:</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDONLY read-only access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDWR read/write access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_NONBLOCK open in non-blocking mode</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>(blocking mode is the default)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>ENODEV</para> -</entry><entry - align="char"> -<para>Device driver not loaded/available.</para> -</entry> - </row><row><entry - align="char"> -<para>EINTERNAL</para> -</entry><entry - align="char"> -<para>Internal error.</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>Device or resource busy.</para> -</entry> - </row><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="ca_fclose"> -<title>close()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call closes a previously opened audio device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int close(int fd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - </section> - -<section id="CA_RESET" -role="subsection"><title>CA_RESET</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_RESET); -</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_RESET for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_GET_CAP" -role="subsection"><title>CA_GET_CAP</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_GET_CAP, - ca_caps_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_GET_CAP for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_caps_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_GET_SLOT_INFO" -role="subsection"><title>CA_GET_SLOT_INFO</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_GET_SLOT_INFO, - ca_slot_info_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_GET_SLOT_INFO for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_slot_info_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_GET_DESCR_INFO" -role="subsection"><title>CA_GET_DESCR_INFO</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_GET_DESCR_INFO, - ca_descr_info_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_GET_DESCR_INFO for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_descr_info_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_GET_MSG" -role="subsection"><title>CA_GET_MSG</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_GET_MSG, - ca_msg_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_GET_MSG for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_msg_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_SEND_MSG" -role="subsection"><title>CA_SEND_MSG</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_SEND_MSG, - ca_msg_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_SEND_MSG for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_msg_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_SET_DESCR" -role="subsection"><title>CA_SET_DESCR</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_SET_DESCR, - ca_descr_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_SET_DESCR for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_descr_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="CA_SET_PID" -role="subsection"><title>CA_SET_PID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = CA_SET_PID, - ca_pid_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals CA_SET_PID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>ca_pid_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -</section> diff --git a/Documentation/DocBook/media/dvb/demux.xml b/Documentation/DocBook/media/dvb/demux.xml deleted file mode 100644 index 34f2fb1cd601..000000000000 --- a/Documentation/DocBook/media/dvb/demux.xml +++ /dev/null @@ -1,1162 +0,0 @@ -<title>DVB Demux Device</title> - -<para>The DVB demux device controls the filters of the DVB hardware/software. It can be -accessed through <constant>/dev/adapter?/demux?</constant>. Data types and and ioctl definitions can be -accessed by including <constant>linux/dvb/dmx.h</constant> in your application. -</para> -<section id="dmx_types"> -<title>Demux Data Types</title> - -<section id="dmx-output-t"> -<title>Output for the demux</title> - -<table pgwide="1" frame="none" id="dmx-output"> - <title>enum dmx_output</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="DMX-OUT-DECODER">DMX_OUT_DECODER</entry> - <entry>Streaming directly to decoder.</entry> - </row><row> - <entry align="char" id="DMX-OUT-TAP">DMX_OUT_TAP</entry> - <entry>Output going to a memory buffer (to be retrieved via the - read command). Delivers the stream output to the demux - device on which the ioctl is called.</entry> - </row><row> - <entry align="char" id="DMX-OUT-TS-TAP">DMX_OUT_TS_TAP</entry> - <entry>Output multiplexed into a new TS (to be retrieved by - reading from the logical DVR device). Routes output to the - logical DVR device <constant>/dev/dvb/adapter?/dvr?</constant>, - which delivers a TS multiplexed from all filters for which - <constant>DMX_OUT_TS_TAP</constant> was specified.</entry> - </row><row> - <entry align="char" id="DMX-OUT-TSDEMUX-TAP">DMX_OUT_TSDEMUX_TAP</entry> - <entry>Like &DMX-OUT-TS-TAP; but retrieved from the DMX - device.</entry> - </row> - </tbody> - </tgroup> -</table> - -</section> - -<section id="dmx-input-t"> -<title>dmx_input_t</title> -<programlisting> -typedef enum -{ - DMX_IN_FRONTEND, /⋆ Input from a front-end device. ⋆/ - DMX_IN_DVR /⋆ Input from the logical DVR device. ⋆/ -} dmx_input_t; -</programlisting> -</section> - -<section id="dmx-pes-type-t"> -<title>dmx_pes_type_t</title> -<programlisting> -typedef enum -{ - DMX_PES_AUDIO0, - DMX_PES_VIDEO0, - DMX_PES_TELETEXT0, - DMX_PES_SUBTITLE0, - DMX_PES_PCR0, - - DMX_PES_AUDIO1, - DMX_PES_VIDEO1, - DMX_PES_TELETEXT1, - DMX_PES_SUBTITLE1, - DMX_PES_PCR1, - - DMX_PES_AUDIO2, - DMX_PES_VIDEO2, - DMX_PES_TELETEXT2, - DMX_PES_SUBTITLE2, - DMX_PES_PCR2, - - DMX_PES_AUDIO3, - DMX_PES_VIDEO3, - DMX_PES_TELETEXT3, - DMX_PES_SUBTITLE3, - DMX_PES_PCR3, - - DMX_PES_OTHER -} dmx_pes_type_t; -</programlisting> -</section> - -<section id="dmx-filter"> -<title>struct dmx_filter</title> - <programlisting> - typedef struct dmx_filter -{ - __u8 filter[DMX_FILTER_SIZE]; - __u8 mask[DMX_FILTER_SIZE]; - __u8 mode[DMX_FILTER_SIZE]; -} dmx_filter_t; -</programlisting> -</section> - -<section id="dmx-sct-filter-params"> -<title>struct dmx_sct_filter_params</title> -<programlisting> -struct dmx_sct_filter_params -{ - __u16 pid; - dmx_filter_t filter; - __u32 timeout; - __u32 flags; -#define DMX_CHECK_CRC 1 -#define DMX_ONESHOT 2 -#define DMX_IMMEDIATE_START 4 -#define DMX_KERNEL_CLIENT 0x8000 -}; -</programlisting> -</section> - -<section id="dmx-pes-filter-params"> -<title>struct dmx_pes_filter_params</title> -<programlisting> -struct dmx_pes_filter_params -{ - __u16 pid; - dmx_input_t input; - dmx_output_t output; - dmx_pes_type_t pes_type; - __u32 flags; -}; -</programlisting> -</section> - -<section id="dmx-event"> -<title>struct dmx_event</title> - <programlisting> - struct dmx_event - { - dmx_event_t event; - time_t timeStamp; - union - { - dmx_scrambling_status_t scrambling; - } u; - }; -</programlisting> -</section> - -<section id="dmx-stc"> -<title>struct dmx_stc</title> -<programlisting> -struct dmx_stc { - unsigned int num; /⋆ input : which STC? 0..N ⋆/ - unsigned int base; /⋆ output: divisor for stc to get 90 kHz clock ⋆/ - __u64 stc; /⋆ output: stc in 'base'⋆90 kHz units ⋆/ -}; -</programlisting> -</section> - -<section id="dmx-caps"> -<title>struct dmx_caps</title> -<programlisting> - typedef struct dmx_caps { - __u32 caps; - int num_decoders; -} dmx_caps_t; -</programlisting> -</section> - -<section id="dmx-source-t"> -<title>enum dmx_source_t</title> -<programlisting> -typedef enum { - DMX_SOURCE_FRONT0 = 0, - DMX_SOURCE_FRONT1, - DMX_SOURCE_FRONT2, - DMX_SOURCE_FRONT3, - DMX_SOURCE_DVR0 = 16, - DMX_SOURCE_DVR1, - DMX_SOURCE_DVR2, - DMX_SOURCE_DVR3 -} dmx_source_t; -</programlisting> -</section> - -</section> -<section id="dmx_fcalls"> -<title>Demux Function Calls</title> - -<section id="dmx_fopen"> -<title>open()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call, used with a device name of /dev/dvb/adapter0/demux0, - allocates a new filter and returns a handle which can be used for subsequent - control of that filter. This call has to be made for each filter to be used, i.e. every - returned file descriptor is a reference to a single filter. /dev/dvb/adapter0/dvr0 - is a logical device to be used for retrieving Transport Streams for digital - video recording. When reading from this device a transport stream containing - the packets from all PES filters set in the corresponding demux device - (/dev/dvb/adapter0/demux0) having the output set to DMX_OUT_TS_TAP. A - recorded Transport Stream is replayed by writing to this device. </para> -<para>The significance of blocking or non-blocking mode is described in the - documentation for functions where there is a difference. It does not affect the - semantics of the open() call itself. A device opened in blocking mode can later - be put into non-blocking mode (and vice versa) using the F_SETFL command - of the fcntl system call.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int open(const char ⋆deviceName, int flags);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>const char - *deviceName</para> -</entry><entry - align="char"> -<para>Name of demux device.</para> -</entry> - </row><row><entry - align="char"> -<para>int flags</para> -</entry><entry - align="char"> -<para>A bit-wise OR of the following flags:</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDWR read/write access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_NONBLOCK open in non-blocking mode</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>(blocking mode is the default)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>ENODEV</para> -</entry><entry - align="char"> -<para>Device driver not loaded/available.</para> -</entry> - </row><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument.</para> -</entry> - </row><row><entry - align="char"> -<para>EMFILE</para> -</entry><entry - align="char"> -<para>“Too many open files”, i.e. no more filters available.</para> -</entry> - </row><row><entry - align="char"> -<para>ENOMEM</para> -</entry><entry - align="char"> -<para>The driver failed to allocate enough memory.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="dmx_fclose"> -<title>close()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call deactivates and deallocates a filter that was previously - allocated via the open() call.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int close(int fd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="dmx_fread"> -<title>read()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call returns filtered data, which might be section or PES data. The - filtered data is transferred from the driver’s internal circular buffer to buf. The - maximum amount of data to be transferred is implied by count.</para> -</entry> - </row><row><entry - align="char"> -<para>When returning section data the driver always tries to return a complete single - section (even though buf would provide buffer space for more data). If the size - of the buffer is smaller than the section as much as possible will be returned, - and the remaining data will be provided in subsequent calls.</para> -</entry> - </row><row><entry - align="char"> -<para>The size of the internal buffer is 2 * 4096 bytes (the size of two maximum - sized sections) by default. The size of this buffer may be changed by using the - DMX_SET_BUFFER_SIZE function. If the buffer is not large enough, or if - the read operations are not performed fast enough, this may result in a buffer - overflow error. In this case EOVERFLOW will be returned, and the circular - buffer will be emptied. This call is blocking if there is no data to return, i.e. the - process will be put to sleep waiting for data, unless the O_NONBLOCK flag - is specified.</para> -</entry> - </row><row><entry - align="char"> -<para>Note that in order to be able to read, the filtering process has to be started - by defining either a section or a PES filter by means of the ioctl functions, - and then starting the filtering process via the DMX_START ioctl function - or by setting the DMX_IMMEDIATE_START flag. If the reading is done - from a logical DVR demux device, the data will constitute a Transport Stream - including the packets from all PES filters in the corresponding demux device - /dev/dvb/adapter0/demux0 having the output set to DMX_OUT_TS_TAP.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>size_t read(int fd, void ⋆buf, size_t count);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>void *buf</para> -</entry><entry - align="char"> -<para>Pointer to the buffer to be used for returned filtered data.</para> -</entry> - </row><row><entry - align="char"> -<para>size_t count</para> -</entry><entry - align="char"> -<para>Size of buf.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EWOULDBLOCK</para> -</entry><entry - align="char"> -<para>No data to return and O_NONBLOCK was specified.</para> -</entry> - </row><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row><row><entry - align="char"> -<para>ECRC</para> -</entry><entry - align="char"> -<para>Last section had a CRC error - no data returned. The - buffer is flushed.</para> -</entry> - </row><row><entry - align="char"> -<para>EOVERFLOW</para> -</entry><entry - align="char"> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>The filtered data was not read from the buffer in due - time, resulting in non-read data being lost. The buffer is - flushed.</para> -</entry> - </row><row><entry - align="char"> -<para>ETIMEDOUT</para> -</entry><entry - align="char"> -<para>The section was not loaded within the stated timeout - period. See ioctl DMX_SET_FILTER for how to set a - timeout.</para> -</entry> - </row><row><entry - align="char"> -<para>EFAULT</para> -</entry><entry - align="char"> -<para>The driver failed to write to the callers buffer due to an - invalid *buf pointer.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="dmx_fwrite"> -<title>write()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call is only provided by the logical device /dev/dvb/adapter0/dvr0, - associated with the physical demux device that provides the actual DVR - functionality. It is used for replay of a digitally recorded Transport Stream. - Matching filters have to be defined in the corresponding physical demux - device, /dev/dvb/adapter0/demux0. The amount of data to be transferred is - implied by count.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>ssize_t write(int fd, const void ⋆buf, size_t - count);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>void *buf</para> -</entry><entry - align="char"> -<para>Pointer to the buffer containing the Transport Stream.</para> -</entry> - </row><row><entry - align="char"> -<para>size_t count</para> -</entry><entry - align="char"> -<para>Size of buf.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EWOULDBLOCK</para> -</entry><entry - align="char"> -<para>No data was written. This - might happen if O_NONBLOCK was specified and there - is no more buffer space available (if O_NONBLOCK is - not specified the function will block until buffer space is - available).</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>This error code indicates that there are conflicting - requests. The corresponding demux device is setup to - receive data from the front- end. Make sure that these - filters are stopped and that the filters with input set to - DMX_IN_DVR are started.</para> -</entry> - </row><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="DMX_START"> -<title>DMX_START</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call is used to start the actual filtering operation defined via the ioctl - calls DMX_SET_FILTER or DMX_SET_PES_FILTER.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_START);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_START for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument, i.e. no filtering parameters provided via - the DMX_SET_FILTER or DMX_SET_PES_FILTER - functions.</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>This error code indicates that there are conflicting - requests. There are active filters filtering data from - another input source. Make sure that these filters are - stopped before starting this filter.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="DMX_STOP"> -<title>DMX_STOP</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call is used to stop the actual filtering operation defined via the - ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER and started via - the DMX_START command.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_STOP);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_STOP for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_SET_FILTER"> -<title>DMX_SET_FILTER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call sets up a filter according to the filter and mask parameters - provided. A timeout may be defined stating number of seconds to wait for a - section to be loaded. A value of 0 means that no timeout should be applied. - Finally there is a flag field where it is possible to state whether a section should - be CRC-checked, whether the filter should be a ”one-shot” filter, i.e. if the - filtering operation should be stopped after the first section is received, and - whether the filtering operation should be started immediately (without waiting - for a DMX_START ioctl call). If a filter was previously set-up, this filter will - be canceled, and the receive buffer will be flushed.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_SET_FILTER, - struct dmx_sct_filter_params ⋆params);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_SET_FILTER for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - dmx_sct_filter_params - *params</para> -</entry><entry - align="char"> -<para>Pointer to structure containing filter parameters.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_SET_PES_FILTER"> -<title>DMX_SET_PES_FILTER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call sets up a PES filter according to the parameters provided. By a - PES filter is meant a filter that is based just on the packet identifier (PID), i.e. - no PES header or payload filtering capability is supported.</para> -</entry> - </row><row><entry - align="char"> -<para>The transport stream destination for the filtered output may be set. Also the - PES type may be stated in order to be able to e.g. direct a video stream directly - to the video decoder. Finally there is a flag field where it is possible to state - whether the filtering operation should be started immediately (without waiting - for a DMX_START ioctl call). If a filter was previously set-up, this filter will - be cancelled, and the receive buffer will be flushed.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_SET_PES_FILTER, - struct dmx_pes_filter_params ⋆params);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_SET_PES_FILTER for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - dmx_pes_filter_params - *params</para> -</entry><entry - align="char"> -<para>Pointer to structure containing filter parameters.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>This error code indicates that there are conflicting - requests. There are active filters filtering data from - another input source. Make sure that these filters are - stopped before starting this filter.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="DMX_SET_BUFFER_SIZE"> -<title>DMX_SET_BUFFER_SIZE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call is used to set the size of the circular buffer used for filtered data. - The default size is two maximum sized sections, i.e. if this function is not called - a buffer size of 2 * 4096 bytes will be used.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = - DMX_SET_BUFFER_SIZE, unsigned long size);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_SET_BUFFER_SIZE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>unsigned long size</para> -</entry><entry - align="char"> -<para>Size of circular buffer.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_GET_EVENT"> -<title>DMX_GET_EVENT</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns an event if available. If an event is not available, - the behavior depends on whether the device is in blocking or non-blocking - mode. In the latter case, the call fails immediately with errno set to - EWOULDBLOCK. In the former case, the call blocks until an event becomes - available.</para> -</entry> - </row><row><entry - align="char"> -<para>The standard Linux poll() and/or select() system calls can be used with the - device file descriptor to watch for new events. For select(), the file descriptor - should be included in the exceptfds argument, and for poll(), POLLPRI should - be specified as the wake-up condition. Only the latest event for each filter is - saved.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_GET_EVENT, - struct dmx_event ⋆ev);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_GET_EVENT for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct dmx_event *ev</para> -</entry><entry - align="char"> -<para>Pointer to the location where the event is to be stored.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EWOULDBLOCK</para> -</entry><entry - align="char"> -<para>There is no event pending, and the device is in - non-blocking mode.</para> -</entry> - </row></tbody></tgroup></informaltable> -</section> - -<section id="DMX_GET_STC"> -<title>DMX_GET_STC</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns the current value of the system time counter (which is driven - by a PES filter of type DMX_PES_PCR). Some hardware supports more than one - STC, so you must specify which one by setting the num field of stc before the ioctl - (range 0...n). The result is returned in form of a ratio with a 64 bit numerator - and a 32 bit denominator, so the real 90kHz STC value is stc->stc / - stc->base - .</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = DMX_GET_STC, struct - dmx_stc ⋆stc);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_GET_STC for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct dmx_stc *stc</para> -</entry><entry - align="char"> -<para>Pointer to the location where the stc is to be stored.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid stc number.</para> -</entry> - </row></tbody></tgroup></informaltable> - </section> - -<section id="DMX_GET_PES_PIDS" -role="subsection"><title>DMX_GET_PES_PIDS</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = DMX_GET_PES_PIDS, - __u16[5]);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_GET_PES_PIDS for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u16[5] -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_GET_CAPS" -role="subsection"><title>DMX_GET_CAPS</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = DMX_GET_CAPS, - dmx_caps_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_GET_CAPS for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>dmx_caps_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_SET_SOURCE" -role="subsection"><title>DMX_SET_SOURCE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is undocumented. Documentation is welcome.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = DMX_SET_SOURCE, - dmx_source_t *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_SET_SOURCE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>dmx_source_t * -</para> -</entry><entry - align="char"> -<para>Undocumented.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_ADD_PID" -role="subsection"><title>DMX_ADD_PID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call allows to add multiple PIDs to a transport stream filter -previously set up with DMX_SET_PES_FILTER and output equal to DMX_OUT_TSDEMUX_TAP. -</para></entry></row><row><entry align="char"><para> -It is used by readers of /dev/dvb/adapterX/demuxY. -</para></entry></row><row><entry align="char"><para> -It may be called at any time, i.e. before or after the first filter on the -shared file descriptor was started. It makes it possible to record multiple -services without the need to de-multiplex or re-multiplex TS packets.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = DMX_ADD_PID, - __u16 *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_ADD_PID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u16 * -</para> -</entry><entry - align="char"> -<para>PID number to be filtered.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - -<section id="DMX_REMOVE_PID" -role="subsection"><title>DMX_REMOVE_PID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call allows to remove a PID when multiple PIDs are set on a -transport stream filter, e. g. a filter previously set up with output equal to -DMX_OUT_TSDEMUX_TAP, created via either DMX_SET_PES_FILTER or DMX_ADD_PID. -</para></entry></row><row><entry align="char"><para> -It is used by readers of /dev/dvb/adapterX/demuxY. -</para></entry></row><row><entry align="char"><para> -It may be called at any time, i.e. before or after the first filter on the -shared file descriptor was started. It makes it possible to record multiple -services without the need to de-multiplex or re-multiplex TS packets.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = DMX_REMOVE_PID, - __u16 *);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals DMX_REMOVE_PID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u16 * -</para> -</entry><entry - align="char"> -<para>PID of the PES filter to be removed.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -</section> - - -</section> diff --git a/Documentation/DocBook/media/dvb/dvbapi.xml b/Documentation/DocBook/media/dvb/dvbapi.xml deleted file mode 100644 index 8576481e20ae..000000000000 --- a/Documentation/DocBook/media/dvb/dvbapi.xml +++ /dev/null @@ -1,156 +0,0 @@ -<partinfo> -<authorgroup> -<author> -<firstname>Ralph</firstname> -<surname>Metzler</surname> -<othername role="mi">J. K.</othername> -<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation> -</author> -<author> -<firstname>Marcus</firstname> -<surname>Metzler</surname> -<othername role="mi">O. C.</othername> -<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation> -</author> -</authorgroup> -<authorgroup> -<author> -<firstname>Mauro</firstname> -<othername role="mi">Carvalho</othername> -<surname>Chehab</surname> -<affiliation><address><email>m.chehab@samsung.com</email></address></affiliation> -<contrib>Ported document to Docbook XML.</contrib> -</author> -</authorgroup> -<copyright> - <year>2002</year> - <year>2003</year> - <holder>Convergence GmbH</holder> -</copyright> -<copyright> - <year>2009-2015</year> - <holder>Mauro Carvalho Chehab</holder> -</copyright> - -<revhistory> -<!-- Put document revisions here, newest first. --> -<revision> - <revnumber>2.1.0</revnumber> - <date>2015-05-29</date> - <authorinitials>mcc</authorinitials> - <revremark> - DocBook improvements and cleanups, in order to document the - system calls on a more standard way and provide more description - about the current DVB API. - </revremark> -</revision> -<revision> - <revnumber>2.0.4</revnumber> - <date>2011-05-06</date> - <authorinitials>mcc</authorinitials> - <revremark> - Add more information about DVB APIv5, better describing the frontend GET/SET props ioctl's. - </revremark> -</revision> -<revision> - <revnumber>2.0.3</revnumber> - <date>2010-07-03</date> - <authorinitials>mcc</authorinitials> - <revremark> - Add some frontend capabilities flags, present on kernel, but missing at the specs. - </revremark> -</revision> -<revision> - <revnumber>2.0.2</revnumber> - <date>2009-10-25</date> - <authorinitials>mcc</authorinitials> - <revremark> - documents FE_SET_FRONTEND_TUNE_MODE and FE_DISHETWORK_SEND_LEGACY_CMD ioctls. - </revremark> -</revision> -<revision> -<revnumber>2.0.1</revnumber> -<date>2009-09-16</date> -<authorinitials>mcc</authorinitials> -<revremark> -Added ISDB-T test originally written by Patrick Boettcher -</revremark> -</revision> -<revision> -<revnumber>2.0.0</revnumber> -<date>2009-09-06</date> -<authorinitials>mcc</authorinitials> -<revremark>Conversion from LaTex to DocBook XML. The - contents is the same as the original LaTex version.</revremark> -</revision> -<revision> -<revnumber>1.0.0</revnumber> -<date>2003-07-24</date> -<authorinitials>rjkm</authorinitials> -<revremark>Initial revision on LaTEX.</revremark> -</revision> -</revhistory> -</partinfo> - - -<title>LINUX DVB API</title> -<subtitle>Version 5.10</subtitle> -<!-- ADD THE CHAPTERS HERE --> - <chapter id="dvb_introdution"> - &sub-intro; - </chapter> - <chapter id="dvb_frontend"> - &sub-frontend; - </chapter> - <chapter id="dvb_demux"> - &sub-demux; - </chapter> - <chapter id="dvb_ca"> - &sub-ca; - </chapter> - <chapter id="net"> - &sub-net; - </chapter> - <chapter id="legacy_dvb_apis"> - <title>DVB Deprecated APIs</title> - <para>The APIs described here are kept only for historical reasons. There's - just one driver for a very legacy hardware that uses this API. No - modern drivers should use it. Instead, audio and video should be using - the V4L2 and ALSA APIs, and the pipelines should be set using the - Media Controller API</para> - <section id="dvb_video"> - &sub-video; - </section> - <section id="dvb_audio"> - &sub-audio; - </section> - </chapter> - <chapter id="dvb_examples"> - &sub-examples; - </chapter> -<!-- END OF CHAPTERS --> - <appendix id="audio_h"> - <title>DVB Audio Header File</title> - &sub-audio-h; - </appendix> - <appendix id="ca_h"> - <title>DVB Conditional Access Header File</title> - &sub-ca-h; - </appendix> - <appendix id="dmx_h"> - <title>DVB Demux Header File</title> - &sub-dmx-h; - </appendix> - <appendix id="frontend_h"> - <title>DVB Frontend Header File</title> - &sub-frontend-h; - </appendix> - <appendix id="net_h"> - <title>DVB Network Header File</title> - &sub-net-h; - </appendix> - <appendix id="video_h"> - <title>DVB Video Header File</title> - &sub-video-h; - </appendix> - diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml deleted file mode 100644 index e579ae5088ae..000000000000 --- a/Documentation/DocBook/media/dvb/dvbproperty.xml +++ /dev/null @@ -1,1680 +0,0 @@ -<section id="frontend-properties"> -<title>DVB Frontend properties</title> -<para>Tuning into a Digital TV physical channel and starting decoding it - requires changing a set of parameters, in order to control the - tuner, the demodulator, the Linear Low-noise Amplifier (LNA) and to set the - antenna subsystem via Satellite Equipment Control (SEC), on satellite - systems. The actual parameters are specific to each particular digital - TV standards, and may change as the digital TV specs evolves.</para> -<para>In the past, the strategy used was to have a union with the parameters - needed to tune for DVB-S, DVB-C, DVB-T and ATSC delivery systems grouped - there. The problem is that, as the second generation standards appeared, - those structs were not big enough to contain the additional parameters. - Also, the union didn't have any space left to be expanded without breaking - userspace. So, the decision was to deprecate the legacy union/struct based - approach, in favor of a properties set approach.</para> - -<para>NOTE: on Linux DVB API version 3, setting a frontend were done via - <link linkend="dvb-frontend-parameters">struct <constant>dvb_frontend_parameters</constant></link>. - This got replaced on version 5 (also called "S2API", as this API were - added originally_enabled to provide support for DVB-S2), because the old - API has a very limited support to new standards and new hardware. This - section describes the new and recommended way to set the frontend, with - suppports all digital TV delivery systems.</para> - -<para>Example: with the properties based approach, in order to set the tuner - to a DVB-C channel at 651 kHz, modulated with 256-QAM, FEC 3/4 and symbol - rate of 5.217 Mbauds, those properties should be sent to - <link linkend="FE_GET_PROPERTY"><constant>FE_SET_PROPERTY</constant></link> ioctl:</para> - <itemizedlist> - <listitem><para>&DTV-DELIVERY-SYSTEM; = SYS_DVBC_ANNEX_A</para></listitem> - <listitem><para>&DTV-FREQUENCY; = 651000000</para></listitem> - <listitem><para>&DTV-MODULATION; = QAM_256</para></listitem> - <listitem><para>&DTV-INVERSION; = INVERSION_AUTO</para></listitem> - <listitem><para>&DTV-SYMBOL-RATE; = 5217000</para></listitem> - <listitem><para>&DTV-INNER-FEC; = FEC_3_4</para></listitem> - <listitem><para>&DTV-TUNE;</para></listitem> - </itemizedlist> - -<para>The code that would do the above is:</para> -<programlisting> -#include <stdio.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <linux/dvb/frontend.h> - -static struct dtv_property props[] = { - { .cmd = DTV_DELIVERY_SYSTEM, .u.data = SYS_DVBC_ANNEX_A }, - { .cmd = DTV_FREQUENCY, .u.data = 651000000 }, - { .cmd = DTV_MODULATION, .u.data = QAM_256 }, - { .cmd = DTV_INVERSION, .u.data = INVERSION_AUTO }, - { .cmd = DTV_SYMBOL_RATE, .u.data = 5217000 }, - { .cmd = DTV_INNER_FEC, .u.data = FEC_3_4 }, - { .cmd = DTV_TUNE } -}; - -static struct dtv_properties dtv_prop = { - .num = 6, .props = props -}; - -int main(void) -{ - int fd = open("/dev/dvb/adapter0/frontend0", O_RDWR); - - if (!fd) { - perror ("open"); - return -1; - } - if (ioctl(fd, FE_SET_PROPERTY, &dtv_prop) == -1) { - perror("ioctl"); - return -1; - } - printf("Frontend set\n"); - return 0; -} -</programlisting> - -<para>NOTE: While it is possible to directly call the Kernel code like the - above example, it is strongly recommended to use - <ulink url="https://linuxtv.org/docs/libdvbv5/index.html">libdvbv5</ulink>, - as it provides abstraction to work with the supported digital TV standards - and provides methods for usual operations like program scanning and to - read/write channel descriptor files.</para> - -<section id="dtv-stats"> -<title>struct <structname>dtv_stats</structname></title> -<programlisting> -struct dtv_stats { - __u8 scale; /* enum fecap_scale_params type */ - union { - __u64 uvalue; /* for counters and relative scales */ - __s64 svalue; /* for 1/1000 dB measures */ - }; -} __packed; -</programlisting> -</section> -<section id="dtv-fe-stats"> -<title>struct <structname>dtv_fe_stats</structname></title> -<programlisting> -#define MAX_DTV_STATS 4 - -struct dtv_fe_stats { - __u8 len; - &dtv-stats; stat[MAX_DTV_STATS]; -} __packed; -</programlisting> -</section> - -<section id="dtv-property"> -<title>struct <structname>dtv_property</structname></title> -<programlisting> -/* Reserved fields should be set to 0 */ - -struct dtv_property { - __u32 cmd; - __u32 reserved[3]; - union { - __u32 data; - &dtv-fe-stats; st; - struct { - __u8 data[32]; - __u32 len; - __u32 reserved1[3]; - void *reserved2; - } buffer; - } u; - int result; -} __attribute__ ((packed)); - -/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ -#define DTV_IOCTL_MAX_MSGS 64 -</programlisting> -</section> -<section id="dtv-properties"> -<title>struct <structname>dtv_properties</structname></title> -<programlisting> -struct dtv_properties { - __u32 num; - &dtv-property; *props; -}; -</programlisting> -</section> - -<section> - <title>Property types</title> -<para> -On <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY and FE_SET_PROPERTY</link>, -the actual action is determined by the dtv_property cmd/data pairs. With one single ioctl, is possible to -get/set up to 64 properties. The actual meaning of each property is described on the next sections. -</para> - -<para>The available frontend property types are shown on the next section.</para> -</section> - -<section id="fe_property_parameters"> - <title>Digital TV property parameters</title> - <section id="DTV-UNDEFINED"> - <title><constant>DTV_UNDEFINED</constant></title> - <para>Used internally. A GET/SET operation for it won't change or return anything.</para> - </section> - <section id="DTV-TUNE"> - <title><constant>DTV_TUNE</constant></title> - <para>Interpret the cache of data, build either a traditional frontend tunerequest so we can pass validation in the <constant>FE_SET_FRONTEND</constant> ioctl.</para> - </section> - <section id="DTV-CLEAR"> - <title><constant>DTV_CLEAR</constant></title> - <para>Reset a cache of data specific to the frontend here. This does not effect hardware.</para> - </section> - <section id="DTV-FREQUENCY"> - <title><constant>DTV_FREQUENCY</constant></title> - - <para>Central frequency of the channel.</para> - - <para>Notes:</para> - <para>1)For satellite delivery systems, it is measured in kHz. - For the other ones, it is measured in Hz.</para> - <para>2)For ISDB-T, the channels are usually transmitted with an offset of 143kHz. - E.g. a valid frequency could be 474143 kHz. The stepping is bound to the bandwidth of - the channel which is 6MHz.</para> - - <para>3)As in ISDB-Tsb the channel consists of only one or three segments the - frequency step is 429kHz, 3*429 respectively. As for ISDB-T the - central frequency of the channel is expected.</para> - </section> - <section id="DTV-MODULATION"> - <title><constant>DTV_MODULATION</constant></title> -<para>Specifies the frontend modulation type for delivery systems that supports - more than one modulation type. The modulation can be one of the types - defined by &fe-modulation;.</para> - - -<section id="fe-modulation-t"> -<title>Modulation property</title> - -<para>Most of the digital TV standards currently offers more than one possible - modulation (sometimes called as "constellation" on some standards). This - enum contains the values used by the Kernel. Please note that not all - modulations are supported by a given standard.</para> - -<table pgwide="1" frame="none" id="fe-modulation"> - <title>enum fe_modulation</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="QPSK"><constant>QPSK</constant></entry> - <entry>QPSK modulation</entry> - </row><row> - <entry id="QAM-16"><constant>QAM_16</constant></entry> - <entry>16-QAM modulation</entry> - </row><row> - <entry id="QAM-32"><constant>QAM_32</constant></entry> - <entry>32-QAM modulation</entry> - </row><row> - <entry id="QAM-64"><constant>QAM_64</constant></entry> - <entry>64-QAM modulation</entry> - </row><row> - <entry id="QAM-128"><constant>QAM_128</constant></entry> - <entry>128-QAM modulation</entry> - </row><row> - <entry id="QAM-256"><constant>QAM_256</constant></entry> - <entry>256-QAM modulation</entry> - </row><row> - <entry id="QAM-AUTO"><constant>QAM_AUTO</constant></entry> - <entry>Autodetect QAM modulation</entry> - </row><row> - <entry id="VSB-8"><constant>VSB_8</constant></entry> - <entry>8-VSB modulation</entry> - </row><row> - <entry id="VSB-16"><constant>VSB_16</constant></entry> - <entry>16-VSB modulation</entry> - </row><row> - <entry id="PSK-8"><constant>PSK_8</constant></entry> - <entry>8-PSK modulation</entry> - </row><row> - <entry id="APSK-16"><constant>APSK_16</constant></entry> - <entry>16-APSK modulation</entry> - </row><row> - <entry id="APSK-32"><constant>APSK_32</constant></entry> - <entry>32-APSK modulation</entry> - </row><row> - <entry id="DQPSK"><constant>DQPSK</constant></entry> - <entry>DQPSK modulation</entry> - </row><row> - <entry id="QAM-4-NR"><constant>QAM_4_NR</constant></entry> - <entry>4-QAM-NR modulation</entry> - </row> - </tbody> - </tgroup> -</table> -</section> - - </section> - <section id="DTV-BANDWIDTH-HZ"> - <title><constant>DTV_BANDWIDTH_HZ</constant></title> - - <para>Bandwidth for the channel, in HZ.</para> - - <para>Possible values: - <constant>1712000</constant>, - <constant>5000000</constant>, - <constant>6000000</constant>, - <constant>7000000</constant>, - <constant>8000000</constant>, - <constant>10000000</constant>. - </para> - - <para>Notes:</para> - - <para>1) For ISDB-T it should be always 6000000Hz (6MHz)</para> - <para>2) For ISDB-Tsb it can vary depending on the number of connected segments</para> - <para>3) Bandwidth doesn't apply for DVB-C transmissions, as the bandwidth - for DVB-C depends on the symbol rate</para> - <para>4) Bandwidth in ISDB-T is fixed (6MHz) or can be easily derived from - other parameters (DTV_ISDBT_SB_SEGMENT_IDX, - DTV_ISDBT_SB_SEGMENT_COUNT).</para> - <para>5) DVB-T supports 6, 7 and 8MHz.</para> - <para>6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.</para> - </section> - <section id="DTV-INVERSION"> - <title><constant>DTV_INVERSION</constant></title> - - <para>Specifies if the frontend should do spectral inversion or not.</para> - -<section id="fe-spectral-inversion-t"> -<title>enum fe_modulation: Frontend spectral inversion</title> - -<para>This parameter indicates if spectral inversion should be presumed or not. - In the automatic setting (<constant>INVERSION_AUTO</constant>) the hardware - will try to figure out the correct setting by itself. If the hardware - doesn't support, the DVB core will try to lock at the carrier first with - inversion off. If it fails, it will try to enable inversion. -</para> - -<table pgwide="1" frame="none" id="fe-spectral-inversion"> - <title>enum fe_modulation</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="INVERSION-OFF"><constant>INVERSION_OFF</constant></entry> - <entry>Don't do spectral band inversion.</entry> - </row><row> - <entry id="INVERSION-ON"><constant>INVERSION_ON</constant></entry> - <entry>Do spectral band inversion.</entry> - </row><row> - <entry id="INVERSION-AUTO"><constant>INVERSION_AUTO</constant></entry> - <entry>Autodetect spectral band inversion.</entry> - </row> - </tbody> - </tgroup> -</table> -</section> - - </section> - <section id="DTV-DISEQC-MASTER"> - <title><constant>DTV_DISEQC_MASTER</constant></title> - <para>Currently not implemented.</para> - </section> - <section id="DTV-SYMBOL-RATE"> - <title><constant>DTV_SYMBOL_RATE</constant></title> - <para>Digital TV symbol rate, in bauds (symbols/second). Used on cable standards.</para> - </section> - <section id="DTV-INNER-FEC"> - <title><constant>DTV_INNER_FEC</constant></title> - <para>Used cable/satellite transmissions. The acceptable values are: - </para> -<section id="fe-code-rate-t"> -<title>enum fe_code_rate: type of the Forward Error Correction.</title> - -<table pgwide="1" frame="none" id="fe-code-rate"> - <title>enum fe_code_rate</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="FEC-NONE"><constant>FEC_NONE</constant></entry> - <entry>No Forward Error Correction Code</entry> - </row><row> - <entry id="FEC-AUTO"><constant>FEC_AUTO</constant></entry> - <entry>Autodetect Error Correction Code</entry> - </row><row> - <entry id="FEC-1-2"><constant>FEC_1_2</constant></entry> - <entry>Forward Error Correction Code 1/2</entry> - </row><row> - <entry id="FEC-2-3"><constant>FEC_2_3</constant></entry> - <entry>Forward Error Correction Code 2/3</entry> - </row><row> - <entry id="FEC-3-4"><constant>FEC_3_4</constant></entry> - <entry>Forward Error Correction Code 3/4</entry> - </row><row> - <entry id="FEC-4-5"><constant>FEC_4_5</constant></entry> - <entry>Forward Error Correction Code 4/5</entry> - </row><row> - <entry id="FEC-5-6"><constant>FEC_5_6</constant></entry> - <entry>Forward Error Correction Code 5/6</entry> - </row><row> - <entry id="FEC-6-7"><constant>FEC_6_7</constant></entry> - <entry>Forward Error Correction Code 6/7</entry> - </row><row> - <entry id="FEC-7-8"><constant>FEC_7_8</constant></entry> - <entry>Forward Error Correction Code 7/8</entry> - </row><row> - <entry id="FEC-8-9"><constant>FEC_8_9</constant></entry> - <entry>Forward Error Correction Code 8/9</entry> - </row><row> - <entry id="FEC-9-10"><constant>FEC_9_10</constant></entry> - <entry>Forward Error Correction Code 9/10</entry> - </row><row> - <entry id="FEC-2-5"><constant>FEC_2_5</constant></entry> - <entry>Forward Error Correction Code 2/5</entry> - </row><row> - <entry id="FEC-3-5"><constant>FEC_3_5</constant></entry> - <entry>Forward Error Correction Code 3/5</entry> - </row> - </tbody> - </tgroup> -</table> -</section> - </section> - <section id="DTV-VOLTAGE"> - <title><constant>DTV_VOLTAGE</constant></title> - <para>The voltage is usually used with non-DiSEqC capable LNBs to switch - the polarzation (horizontal/vertical). When using DiSEqC epuipment this - voltage has to be switched consistently to the DiSEqC commands as - described in the DiSEqC spec.</para> - -<table pgwide="1" frame="none" id="fe-sec-voltage"> - <title id="fe-sec-voltage-t">enum fe_sec_voltage</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="SEC-VOLTAGE-13"><constant>SEC_VOLTAGE_13</constant></entry> - <entry align="char">Set DC voltage level to 13V</entry> - </row><row> - <entry align="char" id="SEC-VOLTAGE-18"><constant>SEC_VOLTAGE_18</constant></entry> - <entry align="char">Set DC voltage level to 18V</entry> - </row><row> - <entry align="char" id="SEC-VOLTAGE-OFF"><constant>SEC_VOLTAGE_OFF</constant></entry> - <entry align="char">Don't send any voltage to the antenna</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-TONE"> - <title><constant>DTV_TONE</constant></title> - <para>Currently not used.</para> - </section> - <section id="DTV-PILOT"> - <title><constant>DTV_PILOT</constant></title> - <para>Sets DVB-S2 pilot</para> - <section id="fe-pilot-t"> - <title>fe_pilot type</title> -<table pgwide="1" frame="none" id="fe-pilot"> - <title>enum fe_pilot</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="PILOT-ON"><constant>PILOT_ON</constant></entry> - <entry align="char">Pilot tones enabled</entry> - </row><row> - <entry align="char" id="PILOT-OFF"><constant>PILOT_OFF</constant></entry> - <entry align="char">Pilot tones disabled</entry> - </row><row> - <entry align="char" id="PILOT-AUTO"><constant>PILOT_AUTO</constant></entry> - <entry align="char">Autodetect pilot tones</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - </section> - <section id="DTV-ROLLOFF"> - <title><constant>DTV_ROLLOFF</constant></title> - <para>Sets DVB-S2 rolloff</para> - - <section id="fe-rolloff-t"> - <title>fe_rolloff type</title> -<table pgwide="1" frame="none" id="fe-rolloff"> - <title>enum fe_rolloff</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="ROLLOFF-35"><constant>ROLLOFF_35</constant></entry> - <entry align="char">Roloff factor: α=35%</entry> - </row><row> - <entry align="char" id="ROLLOFF-20"><constant>ROLLOFF_20</constant></entry> - <entry align="char">Roloff factor: α=20%</entry> - </row><row> - <entry align="char" id="ROLLOFF-25"><constant>ROLLOFF_25</constant></entry> - <entry align="char">Roloff factor: α=25%</entry> - </row><row> - <entry align="char" id="ROLLOFF-AUTO"><constant>ROLLOFF_AUTO</constant></entry> - <entry align="char">Auto-detect the roloff factor.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - </section> - <section id="DTV-DISEQC-SLAVE-REPLY"> - <title><constant>DTV_DISEQC_SLAVE_REPLY</constant></title> - <para>Currently not implemented.</para> - </section> - <section id="DTV-FE-CAPABILITY-COUNT"> - <title><constant>DTV_FE_CAPABILITY_COUNT</constant></title> - <para>Currently not implemented.</para> - </section> - <section id="DTV-FE-CAPABILITY"> - <title><constant>DTV_FE_CAPABILITY</constant></title> - <para>Currently not implemented.</para> - </section> - <section id="DTV-DELIVERY-SYSTEM"> - <title><constant>DTV_DELIVERY_SYSTEM</constant></title> - <para>Specifies the type of Delivery system</para> - <section id="fe-delivery-system-t"> - <title>fe_delivery_system type</title> - <para>Possible values: </para> - -<table pgwide="1" frame="none" id="fe-delivery-system"> - <title>enum fe_delivery_system</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="SYS-UNDEFINED"><constant>SYS_UNDEFINED</constant></entry> - <entry>Undefined standard. Generally, indicates an error</entry> - </row><row> - <entry id="SYS-DVBC-ANNEX-A"><constant>SYS_DVBC_ANNEX_A</constant></entry> - <entry>Cable TV: DVB-C following ITU-T J.83 Annex A spec</entry> - </row><row> - <entry id="SYS-DVBC-ANNEX-B"><constant>SYS_DVBC_ANNEX_B</constant></entry> - <entry>Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM)</entry> - </row><row> - <entry id="SYS-DVBC-ANNEX-C"><constant>SYS_DVBC_ANNEX_C</constant></entry> - <entry>Cable TV: DVB-C following ITU-T J.83 Annex C spec</entry> - </row><row> - <entry id="SYS-ISDBC"><constant>SYS_ISDBC</constant></entry> - <entry>Cable TV: ISDB-C (no drivers yet)</entry> - </row><row> - <entry id="SYS-DVBT"><constant>SYS_DVBT</constant></entry> - <entry>Terrestral TV: DVB-T</entry> - </row><row> - <entry id="SYS-DVBT2"><constant>SYS_DVBT2</constant></entry> - <entry>Terrestral TV: DVB-T2</entry> - </row><row> - <entry id="SYS-ISDBT"><constant>SYS_ISDBT</constant></entry> - <entry>Terrestral TV: ISDB-T</entry> - </row><row> - <entry id="SYS-ATSC"><constant>SYS_ATSC</constant></entry> - <entry>Terrestral TV: ATSC</entry> - </row><row> - <entry id="SYS-ATSCMH"><constant>SYS_ATSCMH</constant></entry> - <entry>Terrestral TV (mobile): ATSC-M/H</entry> - </row><row> - <entry id="SYS-DTMB"><constant>SYS_DTMB</constant></entry> - <entry>Terrestrial TV: DTMB</entry> - </row><row> - <entry id="SYS-DVBS"><constant>SYS_DVBS</constant></entry> - <entry>Satellite TV: DVB-S</entry> - </row><row> - <entry id="SYS-DVBS2"><constant>SYS_DVBS2</constant></entry> - <entry>Satellite TV: DVB-S2</entry> - </row><row> - <entry id="SYS-TURBO"><constant>SYS_TURBO</constant></entry> - <entry>Satellite TV: DVB-S Turbo</entry> - </row><row> - <entry id="SYS-ISDBS"><constant>SYS_ISDBS</constant></entry> - <entry>Satellite TV: ISDB-S</entry> - </row><row> - <entry id="SYS-DAB"><constant>SYS_DAB</constant></entry> - <entry>Digital audio: DAB (not fully supported)</entry> - </row><row> - <entry id="SYS-DSS"><constant>SYS_DSS</constant></entry> - <entry>Satellite TV:"DSS (not fully supported)</entry> - </row><row> - <entry id="SYS-CMMB"><constant>SYS_CMMB</constant></entry> - <entry>Terrestral TV (mobile):CMMB (not fully supported)</entry> - </row><row> - <entry id="SYS-DVBH"><constant>SYS_DVBH</constant></entry> - <entry>Terrestral TV (mobile): DVB-H (standard deprecated)</entry> - </row> - </tbody> - </tgroup> -</table> - - -</section> - </section> - <section id="DTV-ISDBT-PARTIAL-RECEPTION"> - <title><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></title> - - <para>If <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '0' this bit-field represents whether - the channel is in partial reception mode or not.</para> - - <para>If '1' <constant>DTV_ISDBT_LAYERA_*</constant> values are assigned to the center segment and - <constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant> has to be '1'.</para> - - <para>If in addition <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1' - <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> represents whether this ISDB-Tsb channel - is consisting of one segment and layer or three segments and two layers.</para> - - <para>Possible values: 0, 1, -1 (AUTO)</para> - </section> - <section id="DTV-ISDBT-SOUND-BROADCASTING"> - <title><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></title> - - <para>This field represents whether the other DTV_ISDBT_*-parameters are - referring to an ISDB-T and an ISDB-Tsb channel. (See also - <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>).</para> - - <para>Possible values: 0, 1, -1 (AUTO)</para> - </section> - <section id="DTV-ISDBT-SB-SUBCHANNEL-ID"> - <title><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></title> - - <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> - - <para>(Note of the author: This might not be the correct description of the - <constant>SUBCHANNEL-ID</constant> in all details, but it is my understanding of the technical - background needed to program a device)</para> - - <para>An ISDB-Tsb channel (1 or 3 segments) can be broadcasted alone or in a - set of connected ISDB-Tsb channels. In this set of channels every - channel can be received independently. The number of connected - ISDB-Tsb segment can vary, e.g. depending on the frequency spectrum - bandwidth available.</para> - - <para>Example: Assume 8 ISDB-Tsb connected segments are broadcasted. The - broadcaster has several possibilities to put those channels in the - air: Assuming a normal 13-segment ISDB-T spectrum he can align the 8 - segments from position 1-8 to 5-13 or anything in between.</para> - - <para>The underlying layer of segments are subchannels: each segment is - consisting of several subchannels with a predefined IDs. A sub-channel - is used to help the demodulator to synchronize on the channel.</para> - - <para>An ISDB-T channel is always centered over all sub-channels. As for - the example above, in ISDB-Tsb it is no longer as simple as that.</para> - - <para><constant>The DTV_ISDBT_SB_SUBCHANNEL_ID</constant> parameter is used to give the - sub-channel ID of the segment to be demodulated.</para> - - <para>Possible values: 0 .. 41, -1 (AUTO)</para> - </section> - <section id="DTV-ISDBT-SB-SEGMENT-IDX"> - <title><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></title> - <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> - <para><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant> gives the index of the segment to be - demodulated for an ISDB-Tsb channel where several of them are - transmitted in the connected manner.</para> - <para>Possible values: 0 .. <constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> - 1</para> - <para>Note: This value cannot be determined by an automatic channel search.</para> - </section> - <section id="DTV-ISDBT-SB-SEGMENT-COUNT"> - <title><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></title> - <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> - <para><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> gives the total count of connected ISDB-Tsb - channels.</para> - <para>Possible values: 1 .. 13</para> - <para>Note: This value cannot be determined by an automatic channel search.</para> - </section> - <section id="isdb-hierq-layers"> - <title><constant>DTV-ISDBT-LAYER*</constant> parameters</title> - <para>ISDB-T channels can be coded hierarchically. As opposed to DVB-T in - ISDB-T hierarchical layers can be decoded simultaneously. For that - reason a ISDB-T demodulator has 3 Viterbi and 3 Reed-Solomon decoders.</para> - <para>ISDB-T has 3 hierarchical layers which each can use a part of the - available segments. The total number of segments over all layers has - to 13 in ISDB-T.</para> - <para>There are 3 parameter sets, for Layers A, B and C.</para> - <section id="DTV-ISDBT-LAYER-ENABLED"> - <title><constant>DTV_ISDBT_LAYER_ENABLED</constant></title> - <para>Hierarchical reception in ISDB-T is achieved by enabling or disabling - layers in the decoding process. Setting all bits of - <constant>DTV_ISDBT_LAYER_ENABLED</constant> to '1' forces all layers (if applicable) to be - demodulated. This is the default.</para> - <para>If the channel is in the partial reception mode - (<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> = 1) the central segment can be decoded - independently of the other 12 segments. In that mode layer A has to - have a <constant>SEGMENT_COUNT</constant> of 1.</para> - <para>In ISDB-Tsb only layer A is used, it can be 1 or 3 in ISDB-Tsb - according to <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>. <constant>SEGMENT_COUNT</constant> must be filled - accordingly.</para> - <para>Possible values: 0x1, 0x2, 0x4 (|-able)</para> - <para><constant>DTV_ISDBT_LAYER_ENABLED[0:0]</constant> - layer A</para> - <para><constant>DTV_ISDBT_LAYER_ENABLED[1:1]</constant> - layer B</para> - <para><constant>DTV_ISDBT_LAYER_ENABLED[2:2]</constant> - layer C</para> - <para><constant>DTV_ISDBT_LAYER_ENABLED[31:3]</constant> unused</para> - </section> - <section id="DTV-ISDBT-LAYER-FEC"> - <title><constant>DTV_ISDBT_LAYER*_FEC</constant></title> - <para>Possible values: <constant>FEC_AUTO</constant>, <constant>FEC_1_2</constant>, <constant>FEC_2_3</constant>, <constant>FEC_3_4</constant>, <constant>FEC_5_6</constant>, <constant>FEC_7_8</constant></para> - </section> - <section id="DTV-ISDBT-LAYER-MODULATION"> - <title><constant>DTV_ISDBT_LAYER*_MODULATION</constant></title> - <para>Possible values: <constant>QAM_AUTO</constant>, QP<constant>SK, QAM_16</constant>, <constant>QAM_64</constant>, <constant>DQPSK</constant></para> - <para>Note: If layer C is <constant>DQPSK</constant> layer B has to be <constant>DQPSK</constant>. If layer B is <constant>DQPSK</constant> - and <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>=0 layer has to be <constant>DQPSK</constant>.</para> - </section> - <section id="DTV-ISDBT-LAYER-SEGMENT-COUNT"> - <title><constant>DTV_ISDBT_LAYER*_SEGMENT_COUNT</constant></title> - <para>Possible values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1 (AUTO)</para> - <para>Note: Truth table for <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> and - <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> and <constant>LAYER</constant>*_SEGMENT_COUNT</para> - <informaltable id="isdbt-layer_seg-cnt-table"> - <tgroup cols="6"> - <tbody> - <row> - <entry>PR</entry> - <entry>SB</entry> - <entry>Layer A width</entry> - <entry>Layer B width</entry> - <entry>Layer C width</entry> - <entry>total width</entry> - </row> - <row> - <entry>0</entry> - <entry>0</entry> - <entry>1 .. 13</entry> - <entry>1 .. 13</entry> - <entry>1 .. 13</entry> - <entry>13</entry> - </row> - <row> - <entry>1</entry> - <entry>0</entry> - <entry>1</entry> - <entry>1 .. 13</entry> - <entry>1 .. 13</entry> - <entry>13</entry> - </row> - <row> - <entry>0</entry> - <entry>1</entry> - <entry>1</entry> - <entry>0</entry> - <entry>0</entry> - <entry>1</entry> - </row> - <row> - <entry>1</entry> - <entry>1</entry> - <entry>1</entry> - <entry>2</entry> - <entry>0</entry> - <entry>13</entry> - </row> - </tbody> - </tgroup> - </informaltable> - </section> - <section id="DTV-ISDBT-LAYER-TIME-INTERLEAVING"> - <title><constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant></title> - <para>Valid values: 0, 1, 2, 4, -1 (AUTO)</para> - <para>when DTV_ISDBT_SOUND_BROADCASTING is active, value 8 is also valid.</para> - <para>Note: The real time interleaving length depends on the mode (fft-size). The values - here are referring to what can be found in the TMCC-structure, as shown in the table below.</para> - <informaltable id="isdbt-layer-interleaving-table"> - <tgroup cols="4" align="center"> - <tbody> - <row> - <entry>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</entry> - <entry>Mode 1 (2K FFT)</entry> - <entry>Mode 2 (4K FFT)</entry> - <entry>Mode 3 (8K FFT)</entry> - </row> - <row> - <entry>0</entry> - <entry>0</entry> - <entry>0</entry> - <entry>0</entry> - </row> - <row> - <entry>1</entry> - <entry>4</entry> - <entry>2</entry> - <entry>1</entry> - </row> - <row> - <entry>2</entry> - <entry>8</entry> - <entry>4</entry> - <entry>2</entry> - </row> - <row> - <entry>4</entry> - <entry>16</entry> - <entry>8</entry> - <entry>4</entry> - </row> - </tbody> - </tgroup> - </informaltable> - </section> - <section id="DTV-ATSCMH-FIC-VER"> - <title><constant>DTV_ATSCMH_FIC_VER</constant></title> - <para>Version number of the FIC (Fast Information Channel) signaling data.</para> - <para>FIC is used for relaying information to allow rapid service acquisition by the receiver.</para> - <para>Possible values: 0, 1, 2, 3, ..., 30, 31</para> - </section> - <section id="DTV-ATSCMH-PARADE-ID"> - <title><constant>DTV_ATSCMH_PARADE_ID</constant></title> - <para>Parade identification number</para> - <para>A parade is a collection of up to eight MH groups, conveying one or two ensembles.</para> - <para>Possible values: 0, 1, 2, 3, ..., 126, 127</para> - </section> - <section id="DTV-ATSCMH-NOG"> - <title><constant>DTV_ATSCMH_NOG</constant></title> - <para>Number of MH groups per MH subframe for a designated parade.</para> - <para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para> - </section> - <section id="DTV-ATSCMH-TNOG"> - <title><constant>DTV_ATSCMH_TNOG</constant></title> - <para>Total number of MH groups including all MH groups belonging to all MH parades in one MH subframe.</para> - <para>Possible values: 0, 1, 2, 3, ..., 30, 31</para> - </section> - <section id="DTV-ATSCMH-SGN"> - <title><constant>DTV_ATSCMH_SGN</constant></title> - <para>Start group number.</para> - <para>Possible values: 0, 1, 2, 3, ..., 14, 15</para> - </section> - <section id="DTV-ATSCMH-PRC"> - <title><constant>DTV_ATSCMH_PRC</constant></title> - <para>Parade repetition cycle.</para> - <para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para> - </section> - <section id="DTV-ATSCMH-RS-FRAME-MODE"> - <title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title> - <para>Reed Solomon (RS) frame mode.</para> - <para>Possible values are:</para> -<table pgwide="1" frame="none" id="atscmh-rs-frame-mode"> - <title>enum atscmh_rs_frame_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="ATSCMH-RSFRAME-PRI-ONLY"><constant>ATSCMH_RSFRAME_PRI_ONLY</constant></entry> - <entry>Single Frame: There is only a primary RS Frame for all - Group Regions.</entry> - </row><row> - <entry id="ATSCMH-RSFRAME-PRI-SEC"><constant>ATSCMH_RSFRAME_PRI_SEC</constant></entry> - <entry>Dual Frame: There are two separate RS Frames: Primary RS - Frame for Group Region A and B and Secondary RS Frame for Group - Region C and D.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE"> - <title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title> - <para>Reed Solomon(RS) frame ensemble.</para> - <para>Possible values are:</para> -<table pgwide="1" frame="none" id="atscmh-rs-frame-ensemble"> - <title>enum atscmh_rs_frame_ensemble</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="ATSCMH-RSFRAME-ENS-PRI"><constant>ATSCMH_RSFRAME_ENS_PRI</constant></entry> - <entry>Primary Ensemble.</entry> - </row><row> - <entry id="ATSCMH-RSFRAME-ENS-SEC"><constant>AATSCMH_RSFRAME_PRI_SEC</constant></entry> - <entry>Secondary Ensemble.</entry> - </row><row> - <entry id="ATSCMH-RSFRAME-RES"><constant>AATSCMH_RSFRAME_RES</constant></entry> - <entry>Reserved. Shouldn't be used.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-ATSCMH-RS-CODE-MODE-PRI"> - <title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title> - <para>Reed Solomon (RS) code mode (primary).</para> - <para>Possible values are:</para> -<table pgwide="1" frame="none" id="atscmh-rs-code-mode"> - <title>enum atscmh_rs_code_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="ATSCMH-RSCODE-211-187"><constant>ATSCMH_RSCODE_211_187</constant></entry> - <entry>Reed Solomon code (211,187).</entry> - </row><row> - <entry id="ATSCMH-RSCODE-223-187"><constant>ATSCMH_RSCODE_223_187</constant></entry> - <entry>Reed Solomon code (223,187).</entry> - </row><row> - <entry id="ATSCMH-RSCODE-235-187"><constant>ATSCMH_RSCODE_235_187</constant></entry> - <entry>Reed Solomon code (235,187).</entry> - </row><row> - <entry id="ATSCMH-RSCODE-RES"><constant>ATSCMH_RSCODE_RES</constant></entry> - <entry>Reserved. Shouldn't be used.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-ATSCMH-RS-CODE-MODE-SEC"> - <title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title> - <para>Reed Solomon (RS) code mode (secondary).</para> - <para>Possible values are the same as documented on - &atscmh-rs-code-mode;:</para> - </section> - <section id="DTV-ATSCMH-SCCC-BLOCK-MODE"> - <title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title> - <para>Series Concatenated Convolutional Code Block Mode.</para> - <para>Possible values are:</para> -<table pgwide="1" frame="none" id="atscmh-sccc-block-mode"> - <title>enum atscmh_scc_block_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="ATSCMH-SCCC-BLK-SEP"><constant>ATSCMH_SCCC_BLK_SEP</constant></entry> - <entry>Separate SCCC: the SCCC outer code mode shall be set independently - for each Group Region (A, B, C, D)</entry> - </row><row> - <entry id="ATSCMH-SCCC-BLK-COMB"><constant>ATSCMH_SCCC_BLK_COMB</constant></entry> - <entry>Combined SCCC: all four Regions shall have the same SCCC outer - code mode.</entry> - </row><row> - <entry id="ATSCMH-SCCC-BLK-RES"><constant>ATSCMH_SCCC_BLK_RES</constant></entry> - <entry>Reserved. Shouldn't be used.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-ATSCMH-SCCC-CODE-MODE-A"> - <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title> - <para>Series Concatenated Convolutional Code Rate.</para> - <para>Possible values are:</para> -<table pgwide="1" frame="none" id="atscmh-sccc-code-mode"> - <title>enum atscmh_sccc_code_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="ATSCMH-SCCC-CODE-HLF"><constant>ATSCMH_SCCC_CODE_HLF</constant></entry> - <entry>The outer code rate of a SCCC Block is 1/2 rate.</entry> - </row><row> - <entry id="ATSCMH-SCCC-CODE-QTR"><constant>ATSCMH_SCCC_CODE_QTR</constant></entry> - <entry>The outer code rate of a SCCC Block is 1/4 rate.</entry> - </row><row> - <entry id="ATSCMH-SCCC-CODE-RES"><constant>ATSCMH_SCCC_CODE_RES</constant></entry> - <entry>to be documented.</entry> - </row> - </tbody> - </tgroup> -</table> - </section> - <section id="DTV-ATSCMH-SCCC-CODE-MODE-B"> - <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title> - <para>Series Concatenated Convolutional Code Rate.</para> - <para>Possible values are the same as documented on - &atscmh-sccc-code-mode;.</para> - </section> - <section id="DTV-ATSCMH-SCCC-CODE-MODE-C"> - <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></title> - <para>Series Concatenated Convolutional Code Rate.</para> - <para>Possible values are the same as documented on - &atscmh-sccc-code-mode;.</para> - </section> - <section id="DTV-ATSCMH-SCCC-CODE-MODE-D"> - <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></title> - <para>Series Concatenated Convolutional Code Rate.</para> - <para>Possible values are the same as documented on - &atscmh-sccc-code-mode;.</para> - </section> - </section> - <section id="DTV-API-VERSION"> - <title><constant>DTV_API_VERSION</constant></title> - <para>Returns the major/minor version of the DVB API</para> - </section> - <section id="DTV-CODE-RATE-HP"> - <title><constant>DTV_CODE_RATE_HP</constant></title> - <para>Used on terrestrial transmissions. The acceptable values are - the ones described at &fe-transmit-mode-t;. - </para> - </section> - <section id="DTV-CODE-RATE-LP"> - <title><constant>DTV_CODE_RATE_LP</constant></title> - <para>Used on terrestrial transmissions. The acceptable values are - the ones described at &fe-transmit-mode-t;. - </para> - - </section> - - <section id="DTV-GUARD-INTERVAL"> - <title><constant>DTV_GUARD_INTERVAL</constant></title> - - <para>Possible values are:</para> - -<section id="fe-guard-interval-t"> -<title>Modulation guard interval</title> - -<table pgwide="1" frame="none" id="fe-guard-interval"> - <title>enum fe_guard_interval</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="GUARD-INTERVAL-AUTO"><constant>GUARD_INTERVAL_AUTO</constant></entry> - <entry>Autodetect the guard interval</entry> - </row><row> - <entry id="GUARD-INTERVAL-1-128"><constant>GUARD_INTERVAL_1_128</constant></entry> - <entry>Guard interval 1/128</entry> - </row><row> - <entry id="GUARD-INTERVAL-1-32"><constant>GUARD_INTERVAL_1_32</constant></entry> - <entry>Guard interval 1/32</entry> - </row><row> - <entry id="GUARD-INTERVAL-1-16"><constant>GUARD_INTERVAL_1_16</constant></entry> - <entry>Guard interval 1/16</entry> - </row><row> - <entry id="GUARD-INTERVAL-1-8"><constant>GUARD_INTERVAL_1_8</constant></entry> - <entry>Guard interval 1/8</entry> - </row><row> - <entry id="GUARD-INTERVAL-1-4"><constant>GUARD_INTERVAL_1_4</constant></entry> - <entry>Guard interval 1/4</entry> - </row><row> - <entry id="GUARD-INTERVAL-19-128"><constant>GUARD_INTERVAL_19_128</constant></entry> - <entry>Guard interval 19/128</entry> - </row><row> - <entry id="GUARD-INTERVAL-19-256"><constant>GUARD_INTERVAL_19_256</constant></entry> - <entry>Guard interval 19/256</entry> - </row><row> - <entry id="GUARD-INTERVAL-PN420"><constant>GUARD_INTERVAL_PN420</constant></entry> - <entry>PN length 420 (1/4)</entry> - </row><row> - <entry id="GUARD-INTERVAL-PN595"><constant>GUARD_INTERVAL_PN595</constant></entry> - <entry>PN length 595 (1/6)</entry> - </row><row> - <entry id="GUARD-INTERVAL-PN945"><constant>GUARD_INTERVAL_PN945</constant></entry> - <entry>PN length 945 (1/9)</entry> - </row> - </tbody> - </tgroup> -</table> - - <para>Notes:</para> - <para>1) If <constant>DTV_GUARD_INTERVAL</constant> is set the <constant>GUARD_INTERVAL_AUTO</constant> the hardware will - try to find the correct guard interval (if capable) and will use TMCC to fill - in the missing parameters.</para> - <para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para> - <para>3) DTMB specifies PN420, PN595 and PN945.</para> -</section> - </section> - <section id="DTV-TRANSMISSION-MODE"> - <title><constant>DTV_TRANSMISSION_MODE</constant></title> - - <para>Specifies the number of carriers used by the standard. - This is used only on OFTM-based standards, e. g. - DVB-T/T2, ISDB-T, DTMB</para> - -<section id="fe-transmit-mode-t"> -<title>enum fe_transmit_mode: Number of carriers per channel</title> - -<table pgwide="1" frame="none" id="fe-transmit-mode"> - <title>enum fe_transmit_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="TRANSMISSION-MODE-AUTO"><constant>TRANSMISSION_MODE_AUTO</constant></entry> - <entry>Autodetect transmission mode. The hardware will try to find - the correct FFT-size (if capable) to fill in the missing - parameters.</entry> - </row><row> - <entry id="TRANSMISSION-MODE-1K"><constant>TRANSMISSION_MODE_1K</constant></entry> - <entry>Transmission mode 1K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-2K"><constant>TRANSMISSION_MODE_2K</constant></entry> - <entry>Transmission mode 2K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-8K"><constant>TRANSMISSION_MODE_8K</constant></entry> - <entry>Transmission mode 8K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-4K"><constant>TRANSMISSION_MODE_4K</constant></entry> - <entry>Transmission mode 4K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-16K"><constant>TRANSMISSION_MODE_16K</constant></entry> - <entry>Transmission mode 16K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-32K"><constant>TRANSMISSION_MODE_32K</constant></entry> - <entry>Transmission mode 32K</entry> - </row><row> - <entry id="TRANSMISSION-MODE-C1"><constant>TRANSMISSION_MODE_C1</constant></entry> - <entry>Single Carrier (C=1) transmission mode (DTMB)</entry> - </row><row> - <entry id="TRANSMISSION-MODE-C3780"><constant>TRANSMISSION_MODE_C3780</constant></entry> - <entry>Multi Carrier (C=3780) transmission mode (DTMB)</entry> - </row> - </tbody> - </tgroup> -</table> - - - <para>Notes:</para> - <para>1) ISDB-T supports three carrier/symbol-size: 8K, 4K, 2K. It is called - 'mode' in the standard: Mode 1 is 2K, mode 2 is 4K, mode 3 is 8K</para> - - <para>2) If <constant>DTV_TRANSMISSION_MODE</constant> is set the <constant>TRANSMISSION_MODE_AUTO</constant> the - hardware will try to find the correct FFT-size (if capable) and will - use TMCC to fill in the missing parameters.</para> - <para>3) DVB-T specifies 2K and 8K as valid sizes.</para> - <para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para> - <para>5) DTMB specifies C1 and C3780.</para> -</section> - </section> - <section id="DTV-HIERARCHY"> - <title><constant>DTV_HIERARCHY</constant></title> - <para>Frontend hierarchy</para> - - -<section id="fe-hierarchy-t"> -<title>Frontend hierarchy</title> - -<table pgwide="1" frame="none" id="fe-hierarchy"> - <title>enum fe_hierarchy</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="HIERARCHY-NONE"><constant>HIERARCHY_NONE</constant></entry> - <entry>No hierarchy</entry> - </row><row> - <entry id="HIERARCHY-AUTO"><constant>HIERARCHY_AUTO</constant></entry> - <entry>Autodetect hierarchy (if supported)</entry> - </row><row> - <entry id="HIERARCHY-1"><constant>HIERARCHY_1</constant></entry> - <entry>Hierarchy 1</entry> - </row><row> - <entry id="HIERARCHY-2"><constant>HIERARCHY_2</constant></entry> - <entry>Hierarchy 2</entry> - </row><row> - <entry id="HIERARCHY-4"><constant>HIERARCHY_4</constant></entry> - <entry>Hierarchy 4</entry> - </row> - </tbody> - </tgroup> -</table> -</section> - - </section> - <section id="DTV-STREAM-ID"> - <title><constant>DTV_STREAM_ID</constant></title> - <para>DVB-S2, DVB-T2 and ISDB-S support the transmission of several - streams on a single transport stream. - This property enables the DVB driver to handle substream filtering, - when supported by the hardware. - By default, substream filtering is disabled. - </para><para> - For DVB-S2 and DVB-T2, the valid substream id range is from 0 to 255. - </para><para> - For ISDB, the valid substream id range is from 1 to 65535. - </para><para> - To disable it, you should use the special macro NO_STREAM_ID_FILTER. - </para><para> - Note: any value outside the id range also disables filtering. - </para> - </section> - <section id="DTV-DVBT2-PLP-ID-LEGACY"> - <title><constant>DTV_DVBT2_PLP_ID_LEGACY</constant></title> - <para>Obsolete, replaced with DTV_STREAM_ID.</para> - </section> - <section id="DTV-ENUM-DELSYS"> - <title><constant>DTV_ENUM_DELSYS</constant></title> - <para>A Multi standard frontend needs to advertise the delivery systems provided. - Applications need to enumerate the provided delivery systems, before using - any other operation with the frontend. Prior to it's introduction, - FE_GET_INFO was used to determine a frontend type. A frontend which - provides more than a single delivery system, FE_GET_INFO doesn't help much. - Applications which intends to use a multistandard frontend must enumerate - the delivery systems associated with it, rather than trying to use - FE_GET_INFO. In the case of a legacy frontend, the result is just the same - as with FE_GET_INFO, but in a more structured format </para> - </section> - <section id="DTV-INTERLEAVING"> - <title><constant>DTV_INTERLEAVING</constant></title> - -<para>Time interleaving to be used. Currently, used only on DTMB.</para> - -<table pgwide="1" frame="none" id="fe-interleaving"> - <title>enum fe_interleaving</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="INTERLEAVING-NONE"><constant>INTERLEAVING_NONE</constant></entry> - <entry>No interleaving.</entry> - </row><row> - <entry id="INTERLEAVING-AUTO"><constant>INTERLEAVING_AUTO</constant></entry> - <entry>Auto-detect interleaving.</entry> - </row><row> - <entry id="INTERLEAVING-240"><constant>INTERLEAVING_240</constant></entry> - <entry>Interleaving of 240 symbols.</entry> - </row><row> - <entry id="INTERLEAVING-720"><constant>INTERLEAVING_720</constant></entry> - <entry>Interleaving of 720 symbols.</entry> - </row> - </tbody> - </tgroup> -</table> - - </section> - <section id="DTV-LNA"> - <title><constant>DTV_LNA</constant></title> - <para>Low-noise amplifier.</para> - <para>Hardware might offer controllable LNA which can be set manually - using that parameter. Usually LNA could be found only from - terrestrial devices if at all.</para> - <para>Possible values: 0, 1, LNA_AUTO</para> - <para>0, LNA off</para> - <para>1, LNA on</para> - <para>use the special macro LNA_AUTO to set LNA auto</para> - </section> -</section> - - <section id="frontend-stat-properties"> - <title>Frontend statistics indicators</title> - <para>The values are returned via <constant>dtv_property.stat</constant>. - If the property is supported, <constant>dtv_property.stat.len</constant> is bigger than zero.</para> - <para>For most delivery systems, <constant>dtv_property.stat.len</constant> - will be 1 if the stats is supported, and the properties will - return a single value for each parameter.</para> - <para>It should be noted, however, that new OFDM delivery systems - like ISDB can use different modulation types for each group of - carriers. On such standards, up to 3 groups of statistics can be - provided, and <constant>dtv_property.stat.len</constant> is updated - to reflect the "global" metrics, plus one metric per each carrier - group (called "layer" on ISDB).</para> - <para>So, in order to be consistent with other delivery systems, the first - value at <link linkend="dtv-stats"><constant>dtv_property.stat.dtv_stats</constant></link> - array refers to the global metric. The other elements of the array - represent each layer, starting from layer A(index 1), - layer B (index 2) and so on.</para> - <para>The number of filled elements are stored at <constant>dtv_property.stat.len</constant>.</para> - <para>Each element of the <constant>dtv_property.stat.dtv_stats</constant> array consists on two elements:</para> - <itemizedlist mark='opencircle'> - <listitem><para><constant>svalue</constant> or <constant>uvalue</constant>, where - <constant>svalue</constant> is for signed values of the measure (dB measures) - and <constant>uvalue</constant> is for unsigned values (counters, relative scale)</para></listitem> - <listitem><para><constant>scale</constant> - Scale for the value. It can be:</para> - <itemizedlist mark='bullet' id="fecap-scale-params"> - <listitem id="FE-SCALE-NOT-AVAILABLE"><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - The parameter is supported by the frontend, but it was not possible to collect it (could be a transitory or permanent condition)</para></listitem> - <listitem id="FE-SCALE-DECIBEL"><para><constant>FE_SCALE_DECIBEL</constant> - parameter is a signed value, measured in 1/1000 dB</para></listitem> - <listitem id="FE-SCALE-RELATIVE"><para><constant>FE_SCALE_RELATIVE</constant> - parameter is a unsigned value, where 0 means 0% and 65535 means 100%.</para></listitem> - <listitem id="FE-SCALE-COUNTER"><para><constant>FE_SCALE_COUNTER</constant> - parameter is a unsigned value that counts the occurrence of an event, like bit error, block error, or lapsed time.</para></listitem> - </itemizedlist> - </listitem> - </itemizedlist> - <section id="DTV-STAT-SIGNAL-STRENGTH"> - <title><constant>DTV_STAT_SIGNAL_STRENGTH</constant></title> - <para>Indicates the signal strength level at the analog part of the tuner or of the demod.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.001 dBm units, power measured in miliwatts. This value is generally negative.</para></listitem> - <listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-CNR"> - <title><constant>DTV_STAT_CNR</constant></title> - <para>Indicates the Signal to Noise ratio for the main carrier.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.001 dB units.</para></listitem> - <listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-PRE-ERROR-BIT-COUNT"> - <title><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></title> - <para>Measures the number of bit errors before the forward error correction (FEC) on the inner coding block (before Viterbi, LDPC or other inner code).</para> - <para>This measure is taken during the same interval as <constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant>.</para> - <para>In order to get the BER (Bit Error Rate) measurement, it should be divided by - <link linkend="DTV-STAT-PRE-TOTAL-BIT-COUNT"><constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant></link>.</para> - <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. - The frontend may reset it when a channel/transponder is tuned.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-PRE-TOTAL-BIT-COUNT"> - <title><constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant></title> - <para>Measures the amount of bits received before the inner code block, during the same period as - <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link> measurement was taken.</para> - <para>It should be noted that this measurement can be smaller than the total amount of bits on the transport stream, - as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para> - <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. - The frontend may reset it when a channel/transponder is tuned.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring - <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-POST-ERROR-BIT-COUNT"> - <title><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></title> - <para>Measures the number of bit errors after the forward error correction (FEC) done by inner code block (after Viterbi, LDPC or other inner code).</para> - <para>This measure is taken during the same interval as <constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant>.</para> - <para>In order to get the BER (Bit Error Rate) measurement, it should be divided by - <link linkend="DTV-STAT-POST-TOTAL-BIT-COUNT"><constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant></link>.</para> - <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. - The frontend may reset it when a channel/transponder is tuned.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-POST-TOTAL-BIT-COUNT"> - <title><constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant></title> - <para>Measures the amount of bits received after the inner coding, during the same period as - <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link> measurement was taken.</para> - <para>It should be noted that this measurement can be smaller than the total amount of bits on the transport stream, - as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para> - <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. - The frontend may reset it when a channel/transponder is tuned.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring - <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-ERROR-BLOCK-COUNT"> - <title><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></title> - <para>Measures the number of block errors after the outer forward error correction coding (after Reed-Solomon or other outer code).</para> - <para>This measurement is monotonically increased, as the frontend gets more bit count measurements. - The frontend may reset it when a channel/transponder is tuned.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</para></listitem> - </itemizedlist> - </section> - <section id="DTV-STAT-TOTAL-BLOCK-COUNT"> - <title><constant>DTV-STAT_TOTAL_BLOCK_COUNT</constant></title> - <para>Measures the total number of blocks received during the same period as - <link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link> measurement was taken.</para> - <para>It can be used to calculate the PER indicator, by dividing - <link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link> - by <link linkend="DTV-STAT-TOTAL-BLOCK-COUNT"><constant>DTV-STAT-TOTAL-BLOCK-COUNT</constant></link>.</para> - <para>Possible scales for this metric are:</para> - <itemizedlist mark='bullet'> - <listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem> - <listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring - <link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</para></listitem> - </itemizedlist> - </section> - </section> - - <section id="frontend-property-terrestrial-systems"> - <title>Properties used on terrestrial delivery systems</title> - <section id="dvbt-params"> - <title>DVB-T delivery system</title> - <para>The following parameters are valid for DVB-T:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem> - <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="dvbt2-params"> - <title>DVB-T2 delivery system</title> - <para>DVB-T2 support is currently in the early stages - of development, so expect that this section maygrow and become - more detailed with time.</para> - <para>The following parameters are valid for DVB-T2:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem> - <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> - <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="isdbt"> - <title>ISDB-T delivery system</title> - <para>This ISDB-T/ISDB-Tsb API extension should reflect all information - needed to tune any ISDB-T/ISDB-Tsb hardware. Of course it is possible - that some very sophisticated devices won't need certain parameters to - tune.</para> - <para>The information given here should help application writers to know how - to handle ISDB-T and ISDB-Tsb hardware using the Linux DVB-API.</para> - <para>The details given here about ISDB-T and ISDB-Tsb are just enough to - basically show the dependencies between the needed parameter values, - but surely some information is left out. For more detailed information - see the following documents:</para> - <para>ARIB STD-B31 - "Transmission System for Digital Terrestrial - Television Broadcasting" and</para> - <para>ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial - Television Broadcasting".</para> - <para>In order to understand the ISDB specific parameters, - one has to have some knowledge the channel structure in - ISDB-T and ISDB-Tsb. I.e. it has to be known to - the reader that an ISDB-T channel consists of 13 segments, - that it can have up to 3 layer sharing those segments, - and things like that.</para> - <para>The following parameters are valid for ISDB-T:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-ENABLED"><constant>DTV_ISDBT_LAYER_ENABLED</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-PARTIAL-RECEPTION"><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-SOUND-BROADCASTING"><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-SB-SUBCHANNEL-ID"><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-IDX"><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-COUNT"><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERA_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERA_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERA_TIME_INTERLEAVING</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERB_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERB_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERB_SEGMENT_COUNT</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERB_TIME_INTERLEAVING</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERC_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERC_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERC_SEGMENT_COUNT</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERC_TIME_INTERLEAVING</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="atsc-params"> - <title>ATSC delivery system</title> - <para>The following parameters are valid for ATSC:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="atscmh-params"> - <title>ATSC-MH delivery system</title> - <para>The following parameters are valid for ATSC-MH:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-FIC-VER"><constant>DTV_ATSCMH_FIC_VER</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-PARADE-ID"><constant>DTV_ATSCMH_PARADE_ID</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-NOG"><constant>DTV_ATSCMH_NOG</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-TNOG"><constant>DTV_ATSCMH_TNOG</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SGN"><constant>DTV_ATSCMH_SGN</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI"><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC"><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="dtmb-params"> - <title>DTMB delivery system</title> - <para>The following parameters are valid for DTMB:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem> - <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - </section> - <section id="frontend-property-cable-systems"> - <title>Properties used on cable delivery systems</title> - <section id="dvbc-params"> - <title>DVB-C delivery system</title> - <para>The DVB-C Annex-A is the widely used cable standard. Transmission uses QAM modulation.</para> - <para>The DVB-C Annex-C is optimized for 6MHz, and is used in Japan. It supports a subset of the Annex A modulation types, and a roll-off of 0.13, instead of 0.15</para> - <para>The following parameters are valid for DVB-C Annex A/C:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="dvbc-annex-b-params"> - <title>DVB-C Annex B delivery system</title> - <para>The DVB-C Annex-B is only used on a few Countries like the United States.</para> - <para>The following parameters are valid for DVB-C Annex B:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - </section> - <section id="frontend-property-satellite-systems"> - <title>Properties used on satellite delivery systems</title> - <section id="dvbs-params"> - <title>DVB-S delivery system</title> - <para>The following parameters are valid for DVB-S:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - <para>Future implementations might add those two missing parameters:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-DISEQC-MASTER"><constant>DTV_DISEQC_MASTER</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DISEQC-SLAVE-REPLY"><constant>DTV_DISEQC_SLAVE_REPLY</constant></link></para></listitem> - </itemizedlist> - </section> - <section id="dvbs2-params"> - <title>DVB-S2 delivery system</title> - <para>In addition to all parameters valid for DVB-S, DVB-S2 supports the following parameters:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> - <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> - <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> - </itemizedlist> - <para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para> - </section> - <section id="turbo-params"> - <title>Turbo code delivery system</title> - <para>In addition to all parameters valid for DVB-S, turbo code supports the following parameters:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> - </itemizedlist> - </section> - <section id="isdbs-params"> - <title>ISDB-S delivery system</title> - <para>The following parameters are valid for ISDB-S:</para> - <itemizedlist mark='opencircle'> - <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> - <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> - <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> - <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> - <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> - <listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem> - </itemizedlist> - </section> - </section> -</section> diff --git a/Documentation/DocBook/media/dvb/dvbstb.pdf b/Documentation/DocBook/media/dvb/dvbstb.pdf Binary files differdeleted file mode 100644 index 0fa75d90c3eb..000000000000 --- a/Documentation/DocBook/media/dvb/dvbstb.pdf +++ /dev/null diff --git a/Documentation/DocBook/media/dvb/examples.xml b/Documentation/DocBook/media/dvb/examples.xml deleted file mode 100644 index 837fb3b64b72..000000000000 --- a/Documentation/DocBook/media/dvb/examples.xml +++ /dev/null @@ -1,367 +0,0 @@ -<title>Examples</title> -<para>In this section we would like to present some examples for using the DVB API. -</para> -<para>NOTE: This section is out of date, and the code below won't even - compile. Please refer to the - <ulink url="https://linuxtv.org/docs/libdvbv5/index.html">libdvbv5</ulink> - for updated/recommended examples. -</para> - -<section id="tuning"> -<title>Tuning</title> -<para>We will start with a generic tuning subroutine that uses the frontend and SEC, as well as -the demux devices. The example is given for QPSK tuners, but can easily be adjusted for -QAM. -</para> -<programlisting> - #include <sys/ioctl.h> - #include <stdio.h> - #include <stdint.h> - #include <sys/types.h> - #include <sys/stat.h> - #include <fcntl.h> - #include <time.h> - #include <unistd.h> - - #include <linux/dvb/dmx.h> - #include <linux/dvb/frontend.h> - #include <linux/dvb/sec.h> - #include <sys/poll.h> - - #define DMX "/dev/dvb/adapter0/demux1" - #define FRONT "/dev/dvb/adapter0/frontend1" - #define SEC "/dev/dvb/adapter0/sec1" - - /⋆ routine for checking if we have a signal and other status information⋆/ - int FEReadStatus(int fd, fe_status_t ⋆stat) - { - int ans; - - if ( (ans = ioctl(fd,FE_READ_STATUS,stat) < 0)){ - perror("FE READ STATUS: "); - return -1; - } - - if (⋆stat & FE_HAS_POWER) - printf("FE HAS POWER\n"); - - if (⋆stat & FE_HAS_SIGNAL) - printf("FE HAS SIGNAL\n"); - - if (⋆stat & FE_SPECTRUM_INV) - printf("SPEKTRUM INV\n"); - - return 0; - } - - - /⋆ tune qpsk ⋆/ - /⋆ freq: frequency of transponder ⋆/ - /⋆ vpid, apid, tpid: PIDs of video, audio and teletext TS packets ⋆/ - /⋆ diseqc: DiSEqC address of the used LNB ⋆/ - /⋆ pol: Polarisation ⋆/ - /⋆ srate: Symbol Rate ⋆/ - /⋆ fec. FEC ⋆/ - /⋆ lnb_lof1: local frequency of lower LNB band ⋆/ - /⋆ lnb_lof2: local frequency of upper LNB band ⋆/ - /⋆ lnb_slof: switch frequency of LNB ⋆/ - - int set_qpsk_channel(int freq, int vpid, int apid, int tpid, - int diseqc, int pol, int srate, int fec, int lnb_lof1, - int lnb_lof2, int lnb_slof) - { - struct secCommand scmd; - struct secCmdSequence scmds; - struct dmx_pes_filter_params pesFilterParams; - FrontendParameters frp; - struct pollfd pfd[1]; - FrontendEvent event; - int demux1, demux2, demux3, front; - - frequency = (uint32_t) freq; - symbolrate = (uint32_t) srate; - - if((front = open(FRONT,O_RDWR)) < 0){ - perror("FRONTEND DEVICE: "); - return -1; - } - - if((sec = open(SEC,O_RDWR)) < 0){ - perror("SEC DEVICE: "); - return -1; - } - - if (demux1 < 0){ - if ((demux1=open(DMX, O_RDWR|O_NONBLOCK)) - < 0){ - perror("DEMUX DEVICE: "); - return -1; - } - } - - if (demux2 < 0){ - if ((demux2=open(DMX, O_RDWR|O_NONBLOCK)) - < 0){ - perror("DEMUX DEVICE: "); - return -1; - } - } - - if (demux3 < 0){ - if ((demux3=open(DMX, O_RDWR|O_NONBLOCK)) - < 0){ - perror("DEMUX DEVICE: "); - return -1; - } - } - - if (freq < lnb_slof) { - frp.Frequency = (freq - lnb_lof1); - scmds.continuousTone = SEC_TONE_OFF; - } else { - frp.Frequency = (freq - lnb_lof2); - scmds.continuousTone = SEC_TONE_ON; - } - frp.Inversion = INVERSION_AUTO; - if (pol) scmds.voltage = SEC_VOLTAGE_18; - else scmds.voltage = SEC_VOLTAGE_13; - - scmd.type=0; - scmd.u.diseqc.addr=0x10; - scmd.u.diseqc.cmd=0x38; - scmd.u.diseqc.numParams=1; - scmd.u.diseqc.params[0] = 0xF0 | ((diseqc ⋆ 4) & 0x0F) | - (scmds.continuousTone == SEC_TONE_ON ? 1 : 0) | - (scmds.voltage==SEC_VOLTAGE_18 ? 2 : 0); - - scmds.miniCommand=SEC_MINI_NONE; - scmds.numCommands=1; - scmds.commands=&scmd; - if (ioctl(sec, SEC_SEND_SEQUENCE, &scmds) < 0){ - perror("SEC SEND: "); - return -1; - } - - if (ioctl(sec, SEC_SEND_SEQUENCE, &scmds) < 0){ - perror("SEC SEND: "); - return -1; - } - - frp.u.qpsk.SymbolRate = srate; - frp.u.qpsk.FEC_inner = fec; - - if (ioctl(front, FE_SET_FRONTEND, &frp) < 0){ - perror("QPSK TUNE: "); - return -1; - } - - pfd[0].fd = front; - pfd[0].events = POLLIN; - - if (poll(pfd,1,3000)){ - if (pfd[0].revents & POLLIN){ - printf("Getting QPSK event\n"); - if ( ioctl(front, FE_GET_EVENT, &event) - - == -EOVERFLOW){ - perror("qpsk get event"); - return -1; - } - printf("Received "); - switch(event.type){ - case FE_UNEXPECTED_EV: - printf("unexpected event\n"); - return -1; - case FE_FAILURE_EV: - printf("failure event\n"); - return -1; - - case FE_COMPLETION_EV: - printf("completion event\n"); - } - } - } - - - pesFilterParams.pid = vpid; - pesFilterParams.input = DMX_IN_FRONTEND; - pesFilterParams.output = DMX_OUT_DECODER; - pesFilterParams.pes_type = DMX_PES_VIDEO; - pesFilterParams.flags = DMX_IMMEDIATE_START; - if (ioctl(demux1, DMX_SET_PES_FILTER, &pesFilterParams) < 0){ - perror("set_vpid"); - return -1; - } - - pesFilterParams.pid = apid; - pesFilterParams.input = DMX_IN_FRONTEND; - pesFilterParams.output = DMX_OUT_DECODER; - pesFilterParams.pes_type = DMX_PES_AUDIO; - pesFilterParams.flags = DMX_IMMEDIATE_START; - if (ioctl(demux2, DMX_SET_PES_FILTER, &pesFilterParams) < 0){ - perror("set_apid"); - return -1; - } - - pesFilterParams.pid = tpid; - pesFilterParams.input = DMX_IN_FRONTEND; - pesFilterParams.output = DMX_OUT_DECODER; - pesFilterParams.pes_type = DMX_PES_TELETEXT; - pesFilterParams.flags = DMX_IMMEDIATE_START; - if (ioctl(demux3, DMX_SET_PES_FILTER, &pesFilterParams) < 0){ - perror("set_tpid"); - return -1; - } - - return has_signal(fds); - } - -</programlisting> -<para>The program assumes that you are using a universal LNB and a standard DiSEqC -switch with up to 4 addresses. Of course, you could build in some more checking if -tuning was successful and maybe try to repeat the tuning process. Depending on the -external hardware, i.e. LNB and DiSEqC switch, and weather conditions this may be -necessary. -</para> -</section> - -<section id="the_dvr_device"> -<title>The DVR device</title> -<para>The following program code shows how to use the DVR device for recording. -</para> -<programlisting> - #include <sys/ioctl.h> - #include <stdio.h> - #include <stdint.h> - #include <sys/types.h> - #include <sys/stat.h> - #include <fcntl.h> - #include <time.h> - #include <unistd.h> - - #include <linux/dvb/dmx.h> - #include <linux/dvb/video.h> - #include <sys/poll.h> - #define DVR "/dev/dvb/adapter0/dvr1" - #define AUDIO "/dev/dvb/adapter0/audio1" - #define VIDEO "/dev/dvb/adapter0/video1" - - #define BUFFY (188⋆20) - #define MAX_LENGTH (1024⋆1024⋆5) /⋆ record 5MB ⋆/ - - - /⋆ switch the demuxes to recording, assuming the transponder is tuned ⋆/ - - /⋆ demux1, demux2: file descriptor of video and audio filters ⋆/ - /⋆ vpid, apid: PIDs of video and audio channels ⋆/ - - int switch_to_record(int demux1, int demux2, uint16_t vpid, uint16_t apid) - { - struct dmx_pes_filter_params pesFilterParams; - - if (demux1 < 0){ - if ((demux1=open(DMX, O_RDWR|O_NONBLOCK)) - < 0){ - perror("DEMUX DEVICE: "); - return -1; - } - } - - if (demux2 < 0){ - if ((demux2=open(DMX, O_RDWR|O_NONBLOCK)) - < 0){ - perror("DEMUX DEVICE: "); - return -1; - } - } - - pesFilterParams.pid = vpid; - pesFilterParams.input = DMX_IN_FRONTEND; - pesFilterParams.output = DMX_OUT_TS_TAP; - pesFilterParams.pes_type = DMX_PES_VIDEO; - pesFilterParams.flags = DMX_IMMEDIATE_START; - if (ioctl(demux1, DMX_SET_PES_FILTER, &pesFilterParams) < 0){ - perror("DEMUX DEVICE"); - return -1; - } - pesFilterParams.pid = apid; - pesFilterParams.input = DMX_IN_FRONTEND; - pesFilterParams.output = DMX_OUT_TS_TAP; - pesFilterParams.pes_type = DMX_PES_AUDIO; - pesFilterParams.flags = DMX_IMMEDIATE_START; - if (ioctl(demux2, DMX_SET_PES_FILTER, &pesFilterParams) < 0){ - perror("DEMUX DEVICE"); - return -1; - } - return 0; - } - - /⋆ start recording MAX_LENGTH , assuming the transponder is tuned ⋆/ - - /⋆ demux1, demux2: file descriptor of video and audio filters ⋆/ - /⋆ vpid, apid: PIDs of video and audio channels ⋆/ - int record_dvr(int demux1, int demux2, uint16_t vpid, uint16_t apid) - { - int i; - int len; - int written; - uint8_t buf[BUFFY]; - uint64_t length; - struct pollfd pfd[1]; - int dvr, dvr_out; - - /⋆ open dvr device ⋆/ - if ((dvr = open(DVR, O_RDONLY|O_NONBLOCK)) < 0){ - perror("DVR DEVICE"); - return -1; - } - - /⋆ switch video and audio demuxes to dvr ⋆/ - printf ("Switching dvr on\n"); - i = switch_to_record(demux1, demux2, vpid, apid); - printf("finished: "); - - printf("Recording %2.0f MB of test file in TS format\n", - MAX_LENGTH/(1024.0⋆1024.0)); - length = 0; - - /⋆ open output file ⋆/ - if ((dvr_out = open(DVR_FILE,O_WRONLY|O_CREAT - |O_TRUNC, S_IRUSR|S_IWUSR - |S_IRGRP|S_IWGRP|S_IROTH| - S_IWOTH)) < 0){ - perror("Can't open file for dvr test"); - return -1; - } - - pfd[0].fd = dvr; - pfd[0].events = POLLIN; - - /⋆ poll for dvr data and write to file ⋆/ - while (length < MAX_LENGTH ) { - if (poll(pfd,1,1)){ - if (pfd[0].revents & POLLIN){ - len = read(dvr, buf, BUFFY); - if (len < 0){ - perror("recording"); - return -1; - } - if (len > 0){ - written = 0; - while (written < len) - written += - write (dvr_out, - buf, len); - length += len; - printf("written %2.0f MB\r", - length/1024./1024.); - } - } - } - } - return 0; - } - -</programlisting> - -</section> diff --git a/Documentation/DocBook/media/dvb/fe-diseqc-recv-slave-reply.xml b/Documentation/DocBook/media/dvb/fe-diseqc-recv-slave-reply.xml deleted file mode 100644 index 4595dbfff208..000000000000 --- a/Documentation/DocBook/media/dvb/fe-diseqc-recv-slave-reply.xml +++ /dev/null @@ -1,78 +0,0 @@ -<refentry id="FE_DISEQC_RECV_SLAVE_REPLY"> - <refmeta> - <refentrytitle>ioctl FE_DISEQC_RECV_SLAVE_REPLY</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_DISEQC_RECV_SLAVE_REPLY</refname> - <refpurpose>Receives reply from a DiSEqC 2.0 command</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_diseqc_slave_reply *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_DISEQC_RECV_SLAVE_REPLY</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para>pointer to &dvb-diseqc-slave-reply;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>Receives reply from a DiSEqC 2.0 command.</para> -&return-value-dvb; - -<table pgwide="1" frame="none" id="dvb-diseqc-slave-reply"> - <title>struct <structname>dvb_diseqc_slave_reply</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>uint8_t</entry> - <entry>msg[4]</entry> - <entry>DiSEqC message (framing, data[3])</entry> - </row><row> - <entry>uint8_t</entry> - <entry>msg_len</entry> - <entry>Length of the DiSEqC message. Valid values are 0 to 4, - where 0 means no msg</entry> - </row><row> - <entry>int</entry> - <entry>timeout</entry> - <entry>Return from ioctl after timeout ms with errorcode when no - message was received</entry> - </row> - </tbody> - </tgroup> -</table> - -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-diseqc-reset-overload.xml b/Documentation/DocBook/media/dvb/fe-diseqc-reset-overload.xml deleted file mode 100644 index c104df77ecd0..000000000000 --- a/Documentation/DocBook/media/dvb/fe-diseqc-reset-overload.xml +++ /dev/null @@ -1,51 +0,0 @@ -<refentry id="FE_DISEQC_RESET_OVERLOAD"> - <refmeta> - <refentrytitle>ioctl FE_DISEQC_RESET_OVERLOAD</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_DISEQC_RESET_OVERLOAD</refname> - <refpurpose>Restores the power to the antenna subsystem, if it was powered - off due to power overload.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>NULL</paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_DISEQC_RESET_OVERLOAD</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>If the bus has been automatically powered off due to power overload, this ioctl - call restores the power to the bus. The call requires read/write access to the - device. This call has no effect if the device is manually powered off. Not all - DVB adapters support this ioctl.</para> -&return-value-dvb; -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-diseqc-send-burst.xml b/Documentation/DocBook/media/dvb/fe-diseqc-send-burst.xml deleted file mode 100644 index 9f6a68f32de3..000000000000 --- a/Documentation/DocBook/media/dvb/fe-diseqc-send-burst.xml +++ /dev/null @@ -1,89 +0,0 @@ -<refentry id="FE_DISEQC_SEND_BURST"> - <refmeta> - <refentrytitle>ioctl FE_DISEQC_SEND_BURST</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_DISEQC_SEND_BURST</refname> - <refpurpose>Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>enum fe_sec_mini_cmd *<parameter>tone</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_DISEQC_SEND_BURST</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>tone</parameter></term> - <listitem> - <para>pointer to &fe-sec-mini-cmd;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>This ioctl is used to set the generation of a 22kHz tone burst for mini - DiSEqC satellite - selection for 2x1 switches. - This call requires read/write permissions.</para> -<para>It provides support for what's specified at - <ulink url="http://www.eutelsat.com/files/contributed/satellites/pdf/Diseqc/associated%20docs/simple_tone_burst_detec.pdf">Digital Satellite Equipment Control - (DiSEqC) - Simple "ToneBurst" Detection Circuit specification.</ulink> - </para> -&return-value-dvb; -</refsect1> - -<refsect1 id="fe-sec-mini-cmd-t"> -<title>enum fe_sec_mini_cmd</title> - -<table pgwide="1" frame="none" id="fe-sec-mini-cmd"> - <title>enum fe_sec_mini_cmd</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="SEC-MINI-A"><constant>SEC_MINI_A</constant></entry> - <entry align="char">Sends a mini-DiSEqC 22kHz '0' Tone Burst to - select satellite-A</entry> - </row><row> - <entry align="char" id="SEC-MINI-B"><constant>SEC_MINI_B</constant></entry> - <entry align="char">Sends a mini-DiSEqC 22kHz '1' Data Burst to - select satellite-B</entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> - -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-diseqc-send-master-cmd.xml b/Documentation/DocBook/media/dvb/fe-diseqc-send-master-cmd.xml deleted file mode 100644 index 38cf313e121b..000000000000 --- a/Documentation/DocBook/media/dvb/fe-diseqc-send-master-cmd.xml +++ /dev/null @@ -1,72 +0,0 @@ -<refentry id="FE_DISEQC_SEND_MASTER_CMD"> - <refmeta> - <refentrytitle>ioctl FE_DISEQC_SEND_MASTER_CMD</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_DISEQC_SEND_MASTER_CMD</refname> - <refpurpose>Sends a DiSEqC command</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_diseqc_master_cmd *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_DISEQC_SEND_MASTER_CMD</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para>pointer to &dvb-diseqc-master-cmd;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>Sends a DiSEqC command to the antenna subsystem.</para> -&return-value-dvb; - -<table pgwide="1" frame="none" id="dvb-diseqc-master-cmd"> - <title>struct <structname>dvb_diseqc_master_cmd</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>uint8_t</entry> - <entry>msg[6]</entry> - <entry>DiSEqC message (framing, address, command, data[3])</entry> - </row><row> - <entry>uint8_t</entry> - <entry>msg_len</entry> - <entry>Length of the DiSEqC message. Valid values are 3 to 6</entry> - </row> - </tbody> - </tgroup> -</table> - -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-enable-high-lnb-voltage.xml b/Documentation/DocBook/media/dvb/fe-enable-high-lnb-voltage.xml deleted file mode 100644 index c11890b184ad..000000000000 --- a/Documentation/DocBook/media/dvb/fe-enable-high-lnb-voltage.xml +++ /dev/null @@ -1,61 +0,0 @@ -<refentry id="FE_ENABLE_HIGH_LNB_VOLTAGE"> - <refmeta> - <refentrytitle>ioctl FE_ENABLE_HIGH_LNB_VOLTAGE</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_ENABLE_HIGH_LNB_VOLTAGE</refname> - <refpurpose>Select output DC level between normal LNBf voltages or higher - LNBf voltages.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>unsigned int <parameter>high</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_ENABLE_HIGH_LNB_VOLTAGE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>high</parameter></term> - <listitem> - <para>Valid flags:</para> - <itemizedlist> - <listitem><para>0 - normal 13V and 18V.</para></listitem> - <listitem><para>>0 - enables slightly higher voltages instead of - 13/18V, in order to compensate for long antenna cables.</para></listitem> - </itemizedlist> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>Select output DC level between normal LNBf voltages or higher - LNBf voltages between 0 (normal) or a value grater than 0 for higher - voltages.</para> -&return-value-dvb; -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-get-info.xml b/Documentation/DocBook/media/dvb/fe-get-info.xml deleted file mode 100644 index ed0eeb29dd65..000000000000 --- a/Documentation/DocBook/media/dvb/fe-get-info.xml +++ /dev/null @@ -1,266 +0,0 @@ -<refentry id="FE_GET_INFO"> - <refmeta> - <refentrytitle>ioctl FE_GET_INFO</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_GET_INFO</refname> - <refpurpose>Query DVB frontend capabilities and returns information about - the front-end. This call only requires read-only access to the device</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_frontend_info *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_GET_INFO</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para>pointer to struct &dvb-frontend-info;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>All DVB frontend devices support the -<constant>FE_GET_INFO</constant> ioctl. It is used to identify -kernel devices compatible with this specification and to obtain -information about driver and hardware capabilities. The ioctl takes a -pointer to dvb_frontend_info which is filled by the driver. When the -driver is not compatible with this specification the ioctl returns an error. -</para> -&return-value-dvb; - - <table pgwide="1" frame="none" id="dvb-frontend-info"> - <title>struct <structname>dvb_frontend_info</structname></title> - <tgroup cols="3"> - &cs-str; - <tbody valign="top"> - <row> - <entry>char</entry> - <entry>name[128]</entry> - <entry>Name of the frontend</entry> - </row><row> - <entry>fe_type_t</entry> - <entry>type</entry> - <entry><emphasis role="bold">DEPRECATED</emphasis>. DVBv3 type. Should not be used on modern programs, as a - frontend may have more than one type. So, the DVBv5 API should - be used instead to enumerate and select the frontend type.</entry> - </row><row> - <entry>uint32_t</entry> - <entry>frequency_min</entry> - <entry>Minimal frequency supported by the frontend</entry> - </row><row> - <entry>uint32_t</entry> - <entry>frequency_max</entry> - <entry>Maximal frequency supported by the frontend</entry> - </row><row> - <entry>uint32_t</entry> - <entry>frequency_stepsize</entry> - <entry>Frequency step - all frequencies are multiple of this value</entry> - </row><row> - <entry>uint32_t</entry> - <entry>frequency_tolerance</entry> - <entry>Tolerance of the frequency</entry> - </row><row> - <entry>uint32_t</entry> - <entry>symbol_rate_min</entry> - <entry>Minimal symbol rate (for Cable/Satellite systems), in bauds</entry> - </row><row> - <entry>uint32_t</entry> - <entry>symbol_rate_max</entry> - <entry>Maximal symbol rate (for Cable/Satellite systems), in bauds</entry> - </row><row> - <entry>uint32_t</entry> - <entry>symbol_rate_tolerance</entry> - <entry>Maximal symbol rate tolerance, in ppm</entry> - </row><row> - <entry>uint32_t</entry> - <entry>notifier_delay</entry> - <entry><emphasis role="bold">DEPRECATED</emphasis>. Not used by any driver.</entry> - </row><row> - <entry>&fe-caps;</entry> - <entry>caps</entry> - <entry>Capabilities supported by the frontend</entry> - </row> - </tbody> - </tgroup> - </table> - - <para>NOTE: The frequencies are specified in Hz for Terrestrial and Cable - systems. They're specified in kHz for Satellite systems</para> - </refsect1> - -<refsect1 id="fe-caps-t"> -<title>frontend capabilities</title> - -<para>Capabilities describe what a frontend can do. Some capabilities are - supported only on some specific frontend types.</para> - -<table pgwide="1" frame="none" id="fe-caps"> - <title>enum fe_caps</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="FE-IS-STUPID"><constant>FE_IS_STUPID</constant></entry> - <entry>There's something wrong at the frontend, and it can't - report its capabilities</entry> - </row> - <row> - <entry id="FE-CAN-INVERSION-AUTO"><constant>FE_CAN_INVERSION_AUTO</constant></entry> - <entry>The frontend is capable of auto-detecting inversion</entry> - </row> - <row> - <entry id="FE-CAN-FEC-1-2"><constant>FE_CAN_FEC_1_2</constant></entry> - <entry>The frontend supports FEC 1/2</entry> - </row> - <row> - <entry id="FE-CAN-FEC-2-3"><constant>FE_CAN_FEC_2_3</constant></entry> - <entry>The frontend supports FEC 2/3</entry> - </row> - <row> - <entry id="FE-CAN-FEC-3-4"><constant>FE_CAN_FEC_3_4</constant></entry> - <entry>The frontend supports FEC 3/4</entry> - </row> - <row> - <entry id="FE-CAN-FEC-4-5"><constant>FE_CAN_FEC_4_5</constant></entry> - <entry>The frontend supports FEC 4/5</entry> - </row> - <row> - <entry id="FE-CAN-FEC-5-6"><constant>FE_CAN_FEC_5_6</constant></entry> - <entry>The frontend supports FEC 5/6</entry> - </row> - <row> - <entry id="FE-CAN-FEC-6-7"><constant>FE_CAN_FEC_6_7</constant></entry> - <entry>The frontend supports FEC 6/7</entry> - </row> - <row> - <entry id="FE-CAN-FEC-7-8"><constant>FE_CAN_FEC_7_8</constant></entry> - <entry>The frontend supports FEC 7/8</entry> - </row> - <row> - <entry id="FE-CAN-FEC-8-9"><constant>FE_CAN_FEC_8_9</constant></entry> - <entry>The frontend supports FEC 8/9</entry> - </row> - <row> - <entry id="FE-CAN-FEC-AUTO"><constant>FE_CAN_FEC_AUTO</constant></entry> - <entry>The frontend can autodetect FEC.</entry> - </row> - <row> - <entry id="FE-CAN-QPSK"><constant>FE_CAN_QPSK</constant></entry> - <entry>The frontend supports QPSK modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-16"><constant>FE_CAN_QAM_16</constant></entry> - <entry>The frontend supports 16-QAM modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-32"><constant>FE_CAN_QAM_32</constant></entry> - <entry>The frontend supports 32-QAM modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-64"><constant>FE_CAN_QAM_64</constant></entry> - <entry>The frontend supports 64-QAM modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-128"><constant>FE_CAN_QAM_128</constant></entry> - <entry>The frontend supports 128-QAM modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-256"><constant>FE_CAN_QAM_256</constant></entry> - <entry>The frontend supports 256-QAM modulation</entry> - </row> - <row> - <entry id="FE-CAN-QAM-AUTO"><constant>FE_CAN_QAM_AUTO</constant></entry> - <entry>The frontend can autodetect modulation</entry> - </row> - <row> - <entry id="FE-CAN-TRANSMISSION-MODE-AUTO"><constant>FE_CAN_TRANSMISSION_MODE_AUTO</constant></entry> - <entry>The frontend can autodetect the transmission mode</entry> - </row> - <row> - <entry id="FE-CAN-BANDWIDTH-AUTO"><constant>FE_CAN_BANDWIDTH_AUTO</constant></entry> - <entry>The frontend can autodetect the bandwidth</entry> - </row> - <row> - <entry id="FE-CAN-GUARD-INTERVAL-AUTO"><constant>FE_CAN_GUARD_INTERVAL_AUTO</constant></entry> - <entry>The frontend can autodetect the guard interval</entry> - </row> - <row> - <entry id="FE-CAN-HIERARCHY-AUTO"><constant>FE_CAN_HIERARCHY_AUTO</constant></entry> - <entry>The frontend can autodetect hierarch</entry> - </row> - <row> - <entry id="FE-CAN-8VSB"><constant>FE_CAN_8VSB</constant></entry> - <entry>The frontend supports 8-VSB modulation</entry> - </row> - <row> - <entry id="FE-CAN-16VSB"><constant>FE_CAN_16VSB</constant></entry> - <entry>The frontend supports 16-VSB modulation</entry> - </row> - <row> - <entry id="FE-HAS-EXTENDED-CAPS"><constant>FE_HAS_EXTENDED_CAPS</constant></entry> - <entry>Currently, unused</entry> - </row> - <row> - <entry id="FE-CAN-MULTISTREAM"><constant>FE_CAN_MULTISTREAM</constant></entry> - <entry>The frontend supports multistream filtering</entry> - </row> - <row> - <entry id="FE-CAN-TURBO-FEC"><constant>FE_CAN_TURBO_FEC</constant></entry> - <entry>The frontend supports turbo FEC modulation</entry> - </row> - <row> - <entry id="FE-CAN-2G-MODULATION"><constant>FE_CAN_2G_MODULATION</constant></entry> - <entry>The frontend supports "2nd generation modulation" (DVB-S2/T2)></entry> - </row> - <row> - <entry id="FE-NEEDS-BENDING"><constant>FE_NEEDS_BENDING</constant></entry> - <entry>Not supported anymore, don't use it</entry> - </row> - <row> - <entry id="FE-CAN-RECOVER"><constant>FE_CAN_RECOVER</constant></entry> - <entry>The frontend can recover from a cable unplug automatically</entry> - </row> - <row> - <entry id="FE-CAN-MUTE-TS"><constant>FE_CAN_MUTE_TS</constant></entry> - <entry>The frontend can stop spurious TS data output</entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-get-property.xml b/Documentation/DocBook/media/dvb/fe-get-property.xml deleted file mode 100644 index 53a170ed3bd1..000000000000 --- a/Documentation/DocBook/media/dvb/fe-get-property.xml +++ /dev/null @@ -1,81 +0,0 @@ -<refentry id="FE_GET_PROPERTY"> - <refmeta> - <refentrytitle>ioctl FE_SET_PROPERTY, FE_GET_PROPERTY</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_SET_PROPERTY</refname> - <refname>FE_GET_PROPERTY</refname> - <refpurpose>FE_SET_PROPERTY sets one or more frontend properties. - FE_GET_PROPERTY returns one or more frontend properties.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dtv_properties *<parameter>argp</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_PROPERTY, FE_GET_PROPERTY</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>argp</parameter></term> - <listitem> - <para>pointer to &dtv-properties;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>All DVB frontend devices support the -<constant>FE_SET_PROPERTY</constant> and <constant>FE_GET_PROPERTY</constant> -ioctls. The supported properties and statistics depends on the delivery system -and on the device:</para> -<itemizedlist> -<listitem> - <para><constant>FE_SET_PROPERTY:</constant></para> -<itemizedlist> -<listitem><para>This ioctl is used to set one or more - frontend properties.</para></listitem> -<listitem><para>This is the basic command to request the frontend to tune into some - frequency and to start decoding the digital TV signal.</para></listitem> -<listitem><para>This call requires read/write access to the device.</para></listitem> -<listitem><para>At return, the values are updated to reflect the - actual parameters used.</para></listitem> -</itemizedlist> -</listitem> -<listitem> - <para><constant>FE_GET_PROPERTY:</constant></para> -<itemizedlist> -<listitem><para>This ioctl is used to get properties and -statistics from the frontend.</para></listitem> -<listitem><para>No properties are changed, and statistics aren't reset.</para></listitem> -<listitem><para>This call only requires read-only access to the device.</para></listitem> -</itemizedlist> -</listitem> -</itemizedlist> -&return-value-dvb; -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-read-status.xml b/Documentation/DocBook/media/dvb/fe-read-status.xml deleted file mode 100644 index bc0dc2a55f19..000000000000 --- a/Documentation/DocBook/media/dvb/fe-read-status.xml +++ /dev/null @@ -1,107 +0,0 @@ -<refentry id="FE_READ_STATUS"> - <refmeta> - <refentrytitle>ioctl FE_READ_STATUS</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_READ_STATUS</refname> - <refpurpose>Returns status information about the front-end. This call only - requires read-only access to the device</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>unsigned int *<parameter>status</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_READ_STATUS</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>status</parameter></term> - <listitem> - <para>pointer to a bitmask integer filled with the values defined by - &fe-status;.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>All DVB frontend devices support the -<constant>FE_READ_STATUS</constant> ioctl. It is used to check about the -locking status of the frontend after being tuned. The ioctl takes a -pointer to an integer where the status will be written. -</para> -<para>NOTE: the size of status is actually sizeof(enum fe_status), with varies - according with the architecture. This needs to be fixed in the future.</para> -&return-value-dvb; -</refsect1> - -<refsect1 id="fe-status-t"> -<title>int fe_status</title> - -<para>The fe_status parameter is used to indicate the current state - and/or state changes of the frontend hardware. It is produced using - the &fe-status; values on a bitmask</para> - -<table pgwide="1" frame="none" id="fe-status"> - <title>enum fe_status</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="FE-HAS-SIGNAL"><constant>FE_HAS_SIGNAL</constant></entry> - <entry align="char">The frontend has found something above the noise level</entry> - </row><row> - <entry align="char" id="FE-HAS-CARRIER"><constant>FE_HAS_CARRIER</constant></entry> - <entry align="char">The frontend has found a DVB signal</entry> - </row><row> - <entry align="char" id="FE-HAS-VITERBI"><constant>FE_HAS_VITERBI</constant></entry> - <entry align="char">The frontend FEC inner coding (Viterbi, LDPC or other inner code) is stable</entry> - </row><row> - <entry align="char" id="FE-HAS-SYNC"><constant>FE_HAS_SYNC</constant></entry> - <entry align="char">Synchronization bytes was found</entry> - </row><row> - <entry align="char" id="FE-HAS-LOCK"><constant>FE_HAS_LOCK</constant></entry> - <entry align="char">The DVB were locked and everything is working</entry> - </row><row> - <entry align="char" id="FE-TIMEDOUT"><constant>FE_TIMEDOUT</constant></entry> - <entry align="char">no lock within the last about 2 seconds</entry> - </row><row> - <entry align="char" id="FE-REINIT"><constant>FE_REINIT</constant></entry> - <entry align="char">The frontend was reinitialized, application is - recommended to reset DiSEqC, tone and parameters</entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-set-frontend-tune-mode.xml b/Documentation/DocBook/media/dvb/fe-set-frontend-tune-mode.xml deleted file mode 100644 index 99fa8a015c7a..000000000000 --- a/Documentation/DocBook/media/dvb/fe-set-frontend-tune-mode.xml +++ /dev/null @@ -1,64 +0,0 @@ -<refentry id="FE_SET_FRONTEND_TUNE_MODE"> - <refmeta> - <refentrytitle>ioctl FE_SET_FRONTEND_TUNE_MODE</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_SET_FRONTEND_TUNE_MODE</refname> - <refpurpose>Allow setting tuner mode flags to the frontend.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>unsigned int <parameter>flags</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_FRONTEND_TUNE_MODE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>flags</parameter></term> - <listitem> - <para>Valid flags:</para> - <itemizedlist> - <listitem><para>0 - normal tune mode</para></listitem> - <listitem><para>FE_TUNE_MODE_ONESHOT - When set, this flag will - disable any zigzagging or other "normal" tuning behaviour. - Additionally, there will be no automatic monitoring of the - lock status, and hence no frontend events will be - generated. If a frontend device is closed, this flag will - be automatically turned off when the device is reopened - read-write.</para></listitem> - </itemizedlist> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - - <para>Allow setting tuner mode flags to the frontend, between 0 (normal) - or FE_TUNE_MODE_ONESHOT mode</para> -&return-value-dvb; -</refsect1> -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-set-tone.xml b/Documentation/DocBook/media/dvb/fe-set-tone.xml deleted file mode 100644 index 62d44e4ccc39..000000000000 --- a/Documentation/DocBook/media/dvb/fe-set-tone.xml +++ /dev/null @@ -1,91 +0,0 @@ -<refentry id="FE_SET_TONE"> - <refmeta> - <refentrytitle>ioctl FE_SET_TONE</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_SET_TONE</refname> - <refpurpose>Sets/resets the generation of the continuous 22kHz tone.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>enum fe_sec_tone_mode *<parameter>tone</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>tone</parameter></term> - <listitem> - <para>pointer to &fe-sec-tone-mode;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>This ioctl is used to set the generation of the continuous 22kHz tone. - This call requires read/write permissions.</para> -<para>Usually, satellite antenna subsystems require that the digital TV - device to send a 22kHz tone in order to select between high/low band on - some dual-band LNBf. It is also used to send signals to DiSEqC equipment, - but this is done using the DiSEqC ioctls.</para> -<para>NOTE: if more than one device is connected to the same antenna, - setting a tone may interfere on other devices, as they may lose - the capability of selecting the band. So, it is recommended that - applications would change to SEC_TONE_OFF when the device is not used.</para> - -&return-value-dvb; -</refsect1> - -<refsect1 id="fe-sec-tone-mode-t"> -<title>enum fe_sec_tone_mode</title> - -<table pgwide="1" frame="none" id="fe-sec-tone-mode"> - <title>enum fe_sec_tone_mode</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char" id="SEC-TONE-ON"><constant>SEC_TONE_ON</constant></entry> - <entry align="char">Sends a 22kHz tone burst to the antenna</entry> - </row><row> - <entry align="char" id="SEC-TONE-OFF"><constant>SEC_TONE_OFF</constant></entry> - <entry align="char">Don't send a 22kHz tone to the antenna - (except if the FE_DISEQC_* ioctls are called)</entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> - -</refentry> diff --git a/Documentation/DocBook/media/dvb/fe-set-voltage.xml b/Documentation/DocBook/media/dvb/fe-set-voltage.xml deleted file mode 100644 index c89a6f79b5af..000000000000 --- a/Documentation/DocBook/media/dvb/fe-set-voltage.xml +++ /dev/null @@ -1,69 +0,0 @@ -<refentry id="FE_SET_VOLTAGE"> - <refmeta> - <refentrytitle>ioctl FE_SET_VOLTAGE</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>FE_SET_VOLTAGE</refname> - <refpurpose>Allow setting the DC level sent to the antenna subsystem.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>enum fe_sec_voltage *<parameter>voltage</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_VOLTAGE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>voltage</parameter></term> - <listitem> - <para>pointer to &fe-sec-voltage;</para> - <para>Valid values are described at &fe-sec-voltage;.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>This ioctl allows to set the DC voltage level sent through the antenna - cable to 13V, 18V or off.</para> -<para>Usually, a satellite antenna subsystems require that the digital TV - device to send a DC voltage to feed power to the LNBf. Depending on the - LNBf type, the polarization or the intermediate frequency (IF) of the LNBf - can controlled by the voltage level. Other devices (for example, the ones - that implement DISEqC and multipoint LNBf's don't need to control the - voltage level, provided that either 13V or 18V is sent to power up the - LNBf.</para> -<para>NOTE: if more than one device is connected to the same antenna, - setting a voltage level may interfere on other devices, as they may lose - the capability of setting polarization or IF. So, on those - cases, setting the voltage to SEC_VOLTAGE_OFF while the device is not is - used is recommended.</para> - -&return-value-dvb; -</refsect1> - -</refentry> diff --git a/Documentation/DocBook/media/dvb/frontend.xml b/Documentation/DocBook/media/dvb/frontend.xml deleted file mode 100644 index 01210b33c130..000000000000 --- a/Documentation/DocBook/media/dvb/frontend.xml +++ /dev/null @@ -1,269 +0,0 @@ -<title>DVB Frontend API</title> - -<para>The DVB frontend API was designed to support three types of delivery systems:</para> -<itemizedlist> - <listitem><para>Terrestrial systems: DVB-T, DVB-T2, ATSC, ATSC M/H, ISDB-T, DVB-H, DTMB, CMMB</para></listitem> - <listitem><para>Cable systems: DVB-C Annex A/C, ClearQAM (DVB-C Annex B), ISDB-C</para></listitem> - <listitem><para>Satellite systems: DVB-S, DVB-S2, DVB Turbo, ISDB-S, DSS</para></listitem> -</itemizedlist> -<para>The DVB frontend controls several sub-devices including:</para> -<itemizedlist> - <listitem><para>Tuner</para></listitem> - <listitem><para>Digital TV demodulator</para></listitem> - <listitem><para>Low noise amplifier (LNA)</para></listitem> - <listitem><para>Satellite Equipment Control (SEC) hardware (only for Satellite).</para></listitem> -</itemizedlist> -<para>The frontend can be accessed through - <constant>/dev/dvb/adapter?/frontend?</constant>. Data types and - ioctl definitions can be accessed by including - <constant>linux/dvb/frontend.h</constant> in your application. -</para> - -<para>NOTE: Transmission via the internet (DVB-IP) - is not yet handled by this API but a future extension is possible.</para> -<para>On Satellite systems, the API support for the Satellite Equipment Control - (SEC) allows to power control and to send/receive signals to control the - antenna subsystem, selecting the polarization and choosing the Intermediate - Frequency IF) of the Low Noise Block Converter Feed Horn (LNBf). It - supports the DiSEqC and V-SEC protocols. The DiSEqC (digital SEC) -specification is available at -<ulink url="http://www.eutelsat.com/satellites/4_5_5.html">Eutelsat</ulink>.</para> - -<section id="query-dvb-frontend-info"> -<title>Querying frontend information</title> - -<para>Usually, the first thing to do when the frontend is opened is to - check the frontend capabilities. This is done using <link linkend="FE_GET_INFO">FE_GET_INFO</link>. This ioctl will enumerate - the DVB API version and other characteristics about the frontend, and - can be opened either in read only or read/write mode.</para> -</section> - -<section id="dvb-fe-read-status"> -<title>Querying frontend status and statistics</title> - -<para>Once <link linkend="FE_GET_PROPERTY"><constant>FE_SET_PROPERTY</constant></link> - is called, the frontend will run a kernel thread that will periodically - check for the tuner lock status and provide statistics about the quality - of the signal.</para> -<para>The information about the frontend tuner locking status can be queried - using <link linkend="FE_READ_STATUS">FE_READ_STATUS</link>.</para> -<para>Signal statistics are provided via <link linkend="FE_GET_PROPERTY"><constant>FE_GET_PROPERTY</constant></link>. - Please note that several statistics require the demodulator to be fully - locked (e. g. with FE_HAS_LOCK bit set). See - <link linkend="frontend-stat-properties">Frontend statistics indicators</link> - for more details.</para> -</section> - -&sub-dvbproperty; - -<section id="frontend_fcalls"> -<title>Frontend Function Calls</title> - -<refentry id="frontend_f_open"> - <refmeta> - <refentrytitle>DVB frontend open()</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>fe-open</refname> - <refpurpose>Open a frontend device</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <fcntl.h></funcsynopsisinfo> - <funcprototype> - <funcdef>int <function>open</function></funcdef> - <paramdef>const char *<parameter>device_name</parameter></paramdef> - <paramdef>int <parameter>flags</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>device_name</parameter></term> - <listitem> - <para>Device to be opened.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>flags</parameter></term> - <listitem> - <para>Open flags. Access can either be - <constant>O_RDWR</constant> or <constant>O_RDONLY</constant>.</para> - <para>Multiple opens are allowed with <constant>O_RDONLY</constant>. In this mode, only query and read ioctls are allowed.</para> - <para>Only one open is allowed in <constant>O_RDWR</constant>. In this mode, all ioctls are allowed.</para> - <para>When the <constant>O_NONBLOCK</constant> flag is given, the system calls may return &EAGAIN; when no data is available or when the device driver is temporarily busy.</para> - <para>Other flags have no effect.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - <refsect1> - <title>Description</title> - <para>This system call opens a named frontend device (<constant>/dev/dvb/adapter?/frontend?</constant>) - for subsequent use. Usually the first thing to do after a successful open is to - find out the frontend type with <link linkend="FE_GET_INFO">FE_GET_INFO</link>.</para> -<para>The device can be opened in read-only mode, which only allows monitoring of - device status and statistics, or read/write mode, which allows any kind of use - (e.g. performing tuning operations.) -</para> -<para>In a system with multiple front-ends, it is usually the case that multiple devices - cannot be open in read/write mode simultaneously. As long as a front-end - device is opened in read/write mode, other open() calls in read/write mode will - either fail or block, depending on whether non-blocking or blocking mode was - specified. A front-end device opened in blocking mode can later be put into - non-blocking mode (and vice versa) using the F_SETFL command of the fcntl - system call. This is a standard system call, documented in the Linux manual - page for fcntl. When an open() call has succeeded, the device will be ready - for use in the specified mode. This implies that the corresponding hardware is - powered up, and that other front-ends may have been powered down to make - that possible.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On success <function>open</function> returns the new file -descriptor. On error -1 is returned, and the <varname>errno</varname> -variable is set appropriately. Possible error codes are:</para> - - <variablelist> - <varlistentry> - <term><errorcode>EACCES</errorcode></term> - <listitem> - <para>The caller has no permission to access the -device.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EBUSY</errorcode></term> - <listitem> - <para>The the device driver is already in use.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENXIO</errorcode></term> - <listitem> - <para>No device corresponding to this device special file -exists.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENOMEM</errorcode></term> - <listitem> - <para>Not enough kernel memory was available to complete the -request.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>EMFILE</errorcode></term> - <listitem> - <para>The process already has the maximum number of -files open.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENFILE</errorcode></term> - <listitem> - <para>The limit on the total number of files open on the -system has been reached.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><errorcode>ENODEV</errorcode></term> - <listitem> - <para>The device got removed.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> - -<refentry id="frontend_f_close"> - <refmeta> - <refentrytitle>DVB frontend close()</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>fe-close</refname> - <refpurpose>Close a frontend device</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <unistd.h></funcsynopsisinfo> - <funcprototype> - <funcdef>int <function>close</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fd;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> -<para>This system call closes a previously opened front-end device. After closing - a front-end device, its corresponding hardware might be powered down - automatically.</para> -</refsect1> - <refsect1> - <title>Return Value</title> - - <para>The function returns <returnvalue>0</returnvalue> on -success, <returnvalue>-1</returnvalue> on failure and the -<varname>errno</varname> is set appropriately. Possible error -codes:</para> - - <variablelist> - <varlistentry> - <term><errorcode>EBADF</errorcode></term> - <listitem> - <para><parameter>fd</parameter> is not a valid open file -descriptor.</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> -</refentry> - -&sub-fe-get-info; -&sub-fe-read-status; -&sub-fe-get-property; -&sub-fe-diseqc-reset-overload; -&sub-fe-diseqc-send-master-cmd; -&sub-fe-diseqc-recv-slave-reply; -&sub-fe-diseqc-send-burst; -&sub-fe-set-tone; -&sub-fe-set-voltage; -&sub-fe-enable-high-lnb-voltage; -&sub-fe-set-frontend-tune-mode; - -</section> - -<section id="frontend_legacy_dvbv3_api"> -<title>DVB Frontend legacy API (a. k. a. DVBv3)</title> -<para>The usage of this API is deprecated, as it doesn't support all digital - TV standards, doesn't provide good statistics measurements and provides - incomplete information. This is kept only to support legacy applications.</para> - -&sub-frontend_legacy_api; -</section> diff --git a/Documentation/DocBook/media/dvb/frontend_legacy_api.xml b/Documentation/DocBook/media/dvb/frontend_legacy_api.xml deleted file mode 100644 index 8fadf3a4ba44..000000000000 --- a/Documentation/DocBook/media/dvb/frontend_legacy_api.xml +++ /dev/null @@ -1,654 +0,0 @@ -<section id="frontend_legacy_types"> -<title>Frontend Legacy Data Types</title> - -<section id="fe-type-t"> -<title>Frontend type</title> - -<para>For historical reasons, frontend types are named by the type of modulation - used in transmission. The fontend types are given by fe_type_t type, defined as:</para> - -<table pgwide="1" frame="none" id="fe-type"> -<title>Frontend types</title> -<tgroup cols="3"> - &cs-def; - <thead> - <row> - <entry>fe_type</entry> - <entry>Description</entry> - <entry><link linkend="DTV-DELIVERY-SYSTEM">DTV_DELIVERY_SYSTEM</link> equivalent type</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="FE-QPSK"><constant>FE_QPSK</constant></entry> - <entry>For DVB-S standard</entry> - <entry><constant>SYS_DVBS</constant></entry> - </row> - <row> - <entry id="FE-QAM"><constant>FE_QAM</constant></entry> - <entry>For DVB-C annex A standard</entry> - <entry><constant>SYS_DVBC_ANNEX_A</constant></entry> - </row> - <row> - <entry id="FE-OFDM"><constant>FE_OFDM</constant></entry> - <entry>For DVB-T standard</entry> - <entry><constant>SYS_DVBT</constant></entry> - </row> - <row> - <entry id="FE-ATSC"><constant>FE_ATSC</constant></entry> - <entry>For ATSC standard (terrestrial) or for DVB-C Annex B (cable) used in US.</entry> - <entry><constant>SYS_ATSC</constant> (terrestrial) or <constant>SYS_DVBC_ANNEX_B</constant> (cable)</entry> - </row> -</tbody></tgroup></table> - -<para>Newer formats like DVB-S2, ISDB-T, ISDB-S and DVB-T2 are not described at the above, as they're -supported via the new <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY/FE_GET_SET_PROPERTY</link> ioctl's, using the <link linkend="DTV-DELIVERY-SYSTEM">DTV_DELIVERY_SYSTEM</link> parameter. -</para> - -<para>In the old days, &dvb-frontend-info; used to contain - <constant>fe_type_t</constant> field to indicate the delivery systems, - filled with either FE_QPSK, FE_QAM, FE_OFDM or FE_ATSC. While this is - still filled to keep backward compatibility, the usage of this - field is deprecated, as it can report just one delivery system, but some - devices support multiple delivery systems. Please use - <link linkend="DTV-ENUM-DELSYS">DTV_ENUM_DELSYS</link> instead. -</para> -<para>On devices that support multiple delivery systems, - &dvb-frontend-info;::<constant>fe_type_t</constant> is filled with the - currently standard, as selected by the last call to - <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link> - using the &DTV-DELIVERY-SYSTEM; property.</para> -</section> - -<section id="fe-bandwidth-t"> -<title>Frontend bandwidth</title> - -<table pgwide="1" frame="none" id="fe-bandwidth"> - <title>enum fe_bandwidth</title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry id="BANDWIDTH-AUTO"><constant>BANDWIDTH_AUTO</constant></entry> - <entry>Autodetect bandwidth (if supported)</entry> - </row><row> - <entry id="BANDWIDTH-1-712-MHZ"><constant>BANDWIDTH_1_712_MHZ</constant></entry> - <entry>1.712 MHz</entry> - </row><row> - <entry id="BANDWIDTH-5-MHZ"><constant>BANDWIDTH_5_MHZ</constant></entry> - <entry>5 MHz</entry> - </row><row> - <entry id="BANDWIDTH-6-MHZ"><constant>BANDWIDTH_6_MHZ</constant></entry> - <entry>6 MHz</entry> - </row><row> - <entry id="BANDWIDTH-7-MHZ"><constant>BANDWIDTH_7_MHZ</constant></entry> - <entry>7 MHz</entry> - </row><row> - <entry id="BANDWIDTH-8-MHZ"><constant>BANDWIDTH_8_MHZ</constant></entry> - <entry>8 MHz</entry> - </row><row> - <entry id="BANDWIDTH-10-MHZ"><constant>BANDWIDTH_10_MHZ</constant></entry> - <entry>10 MHz</entry> - </row> - </tbody> - </tgroup> -</table> - -</section> - -<section id="dvb-frontend-parameters"> -<title>frontend parameters</title> -<para>The kind of parameters passed to the frontend device for tuning depend on -the kind of hardware you are using.</para> -<para>The struct <constant>dvb_frontend_parameters</constant> uses an -union with specific per-system parameters. However, as newer delivery systems -required more data, the structure size weren't enough to fit, and just -extending its size would break the existing applications. So, those parameters -were replaced by the usage of <link linkend="FE_GET_PROPERTY"> -<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> ioctl's. The -new API is flexible enough to add new parameters to existing delivery systems, -and to add newer delivery systems.</para> -<para>So, newer applications should use <link linkend="FE_GET_PROPERTY"> -<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in -order to be able to support the newer System Delivery like DVB-S2, DVB-T2, -DVB-C2, ISDB, etc.</para> -<para>All kinds of parameters are combined as an union in the FrontendParameters structure: -<programlisting> -struct dvb_frontend_parameters { - uint32_t frequency; /⋆ (absolute) frequency in Hz for QAM/OFDM ⋆/ - /⋆ intermediate frequency in kHz for QPSK ⋆/ - &fe-spectral-inversion-t; inversion; - union { - struct dvb_qpsk_parameters qpsk; - struct dvb_qam_parameters qam; - struct dvb_ofdm_parameters ofdm; - struct dvb_vsb_parameters vsb; - } u; -}; -</programlisting></para> -<para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate -frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of -the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and -OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz. -</para> - -<section id="dvb-qpsk-parameters"> -<title>QPSK parameters</title> -<para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para> -<programlisting> - struct dvb_qpsk_parameters { - uint32_t symbol_rate; /⋆ symbol rate in Symbols per second ⋆/ - &fe-code-rate-t; fec_inner; /⋆ forward error correction (see above) ⋆/ - }; -</programlisting> -</section> - -<section id="dvb-qam-parameters"> -<title>QAM parameters</title> -<para>for cable QAM frontend you use the <constant>dvb_qam_parameters</constant> structure:</para> -<programlisting> - struct dvb_qam_parameters { - uint32_t symbol_rate; /⋆ symbol rate in Symbols per second ⋆/ - &fe-code-rate-t; fec_inner; /⋆ forward error correction (see above) ⋆/ - &fe-modulation-t; modulation; /⋆ modulation type (see above) ⋆/ - }; -</programlisting> -</section> - -<section id="dvb-vsb-parameters"> -<title>VSB parameters</title> -<para>ATSC frontends are supported by the <constant>dvb_vsb_parameters</constant> structure:</para> -<programlisting> -struct dvb_vsb_parameters { - &fe-modulation-t; modulation; /⋆ modulation type (see above) ⋆/ -}; -</programlisting> -</section> - -<section id="dvb-ofdm-parameters"> -<title>OFDM parameters</title> -<para>DVB-T frontends are supported by the <constant>dvb_ofdm_parameters</constant> structure:</para> -<programlisting> - struct dvb_ofdm_parameters { - &fe-bandwidth-t; bandwidth; - &fe-code-rate-t; code_rate_HP; /⋆ high priority stream code rate ⋆/ - &fe-code-rate-t; code_rate_LP; /⋆ low priority stream code rate ⋆/ - &fe-modulation-t; constellation; /⋆ modulation type (see above) ⋆/ - &fe-transmit-mode-t; transmission_mode; - &fe-guard-interval-t; guard_interval; - &fe-hierarchy-t; hierarchy_information; - }; -</programlisting> -</section> -</section> - -<section id="dvb-frontend-event"> -<title>frontend events</title> - <programlisting> - struct dvb_frontend_event { - fe_status_t status; - struct dvb_frontend_parameters parameters; - }; -</programlisting> - </section> -</section> - -<section id="frontend_legacy_fcalls"> -<title>Frontend Legacy Function Calls</title> - -<para>Those functions are defined at DVB version 3. The support is kept in - the kernel due to compatibility issues only. Their usage is strongly - not recommended</para> - -<section id="FE_READ_BER"> -<title>FE_READ_BER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns the bit error rate for the signal currently - received/demodulated by the front-end. For this command, read-only access to - the device is sufficient.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = <link linkend="FE_READ_BER">FE_READ_BER</link>, - uint32_t ⋆ber);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_READ_BER">FE_READ_BER</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>uint32_t *ber</para> -</entry><entry - align="char"> -<para>The bit error rate is stored into *ber.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - -<section id="FE_READ_SNR"> -<title>FE_READ_SNR</title> - -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns the signal-to-noise ratio for the signal currently received - by the front-end. For this command, read-only access to the device is sufficient.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = <link linkend="FE_READ_SNR">FE_READ_SNR</link>, uint16_t - ⋆snr);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_READ_SNR">FE_READ_SNR</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>uint16_t *snr</para> -</entry><entry - align="char"> -<para>The signal-to-noise ratio is stored into *snr.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - -<section id="FE_READ_SIGNAL_STRENGTH"> -<title>FE_READ_SIGNAL_STRENGTH</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns the signal strength value for the signal currently received - by the front-end. For this command, read-only access to the device is sufficient.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = - <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link>, uint16_t ⋆strength);</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>uint16_t *strength</para> -</entry><entry - align="char"> -<para>The signal strength value is stored into *strength.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - -<section id="FE_READ_UNCORRECTED_BLOCKS"> -<title>FE_READ_UNCORRECTED_BLOCKS</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns the number of uncorrected blocks detected by the device - driver during its lifetime. For meaningful measurements, the increment in block - count during a specific time interval should be calculated. For this command, - read-only access to the device is sufficient.</para> -</entry> - </row><row><entry - align="char"> -<para>Note that the counter will wrap to zero after its maximum count has been - reached.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl( int fd, int request = - <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link>, uint32_t ⋆ublocks);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>uint32_t *ublocks</para> -</entry><entry - align="char"> -<para>The total number of uncorrected blocks seen by the driver - so far.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - -<section id="FE_SET_FRONTEND"> -<title>FE_SET_FRONTEND</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call starts a tuning operation using specified parameters. The result - of this call will be successful if the parameters were valid and the tuning could - be initiated. The result of the tuning operation in itself, however, will arrive - asynchronously as an event (see documentation for <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> and - FrontendEvent.) If a new <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> operation is initiated before - the previous one was completed, the previous operation will be aborted in favor - of the new one. This command requires read/write access to the device.</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link>, - struct dvb_frontend_parameters ⋆p);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - dvb_frontend_parameters - *p</para> -</entry><entry - align="char"> -<para>Points to parameters for tuning operation.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Maximum supported symbol rate reached.</para> -</entry> -</row></tbody></tgroup></informaltable> -</section> - -<section id="FE_GET_FRONTEND"> -<title>FE_GET_FRONTEND</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call queries the currently effective frontend parameters. For this - command, read-only access to the device is sufficient.</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link>, - struct dvb_frontend_parameters ⋆p);</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - dvb_frontend_parameters - *p</para> -</entry><entry - align="char"> -<para>Points to parameters for tuning operation.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Maximum supported symbol rate reached.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> - -<section id="FE_GET_EVENT"> -<title>FE_GET_EVENT</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns a frontend event if available. If an event is not - available, the behavior depends on whether the device is in blocking or - non-blocking mode. In the latter case, the call fails immediately with errno - set to EWOULDBLOCK. In the former case, the call blocks until an event - becomes available.</para> -</entry> - </row><row><entry - align="char"> -<para>The standard Linux poll() and/or select() system calls can be used with the - device file descriptor to watch for new events. For select(), the file descriptor - should be included in the exceptfds argument, and for poll(), POLLPRI should - be specified as the wake-up condition. Since the event queue allocated is - rather small (room for 8 events), the queue must be serviced regularly to avoid - overflow. If an overflow happens, the oldest event is discarded from the queue, - and an error (EOVERFLOW) occurs the next time the queue is read. After - reporting the error condition in this fashion, subsequent - <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> - calls will return events from the queue as usual.</para> -</entry> - </row><row><entry - align="char"> -<para>For the sake of implementation simplicity, this command requires read/write - access to the device.</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = QPSK_GET_EVENT, - struct dvb_frontend_event ⋆ev);</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - dvb_frontend_event - *ev</para> -</entry><entry - align="char"> -<para>Points to the location where the event,</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>if any, is to be stored.</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EWOULDBLOCK</para> -</entry><entry - align="char"> -<para>There is no event pending, and the device is in - non-blocking mode.</para> -</entry> - </row><row><entry - align="char"> -<para>EOVERFLOW</para> -</entry><entry - align="char"> -<para>Overflow in event queue - one or more events were lost.</para> -</entry> -</row></tbody></tgroup></informaltable> -</section> - -<section id="FE_DISHNETWORK_SEND_LEGACY_CMD"> - <title>FE_DISHNETWORK_SEND_LEGACY_CMD</title> -<para>DESCRIPTION</para> -<informaltable><tgroup cols="1"><tbody><row> -<entry align="char"> -<para>WARNING: This is a very obscure legacy command, used only at stv0299 driver. Should not be used on newer drivers.</para> -<para>It provides a non-standard method for selecting Diseqc voltage on the frontend, for Dish Network legacy switches.</para> -<para>As support for this ioctl were added in 2004, this means that such dishes were already legacy in 2004.</para> -</entry> -</row></tbody></tgroup></informaltable> - -<para>SYNOPSIS</para> -<informaltable><tgroup cols="1"><tbody><row> -<entry align="char"> -<para>int ioctl(int fd, int request = - <link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link>, unsigned long cmd);</para> -</entry> -</row></tbody></tgroup></informaltable> - -<para>PARAMETERS</para> -<informaltable><tgroup cols="2"><tbody><row> -<entry align="char"> - <para>unsigned long cmd</para> -</entry> -<entry align="char"> -<para> -sends the specified raw cmd to the dish via DISEqC. -</para> -</entry> - </row></tbody></tgroup></informaltable> - -&return-value-dvb; -</section> - -</section> diff --git a/Documentation/DocBook/media/dvb/intro.xml b/Documentation/DocBook/media/dvb/intro.xml deleted file mode 100644 index b5b701f5d8c2..000000000000 --- a/Documentation/DocBook/media/dvb/intro.xml +++ /dev/null @@ -1,211 +0,0 @@ -<title>Introduction</title> - -<section id="requisites"> -<title>What you need to know</title> - -<para>The reader of this document is required to have some knowledge in -the area of digital video broadcasting (DVB) and should be familiar with -part I of the MPEG2 specification ISO/IEC 13818 (aka ITU-T H.222), i.e -you should know what a program/transport stream (PS/TS) is and what is -meant by a packetized elementary stream (PES) or an I-frame.</para> - -<para>Various DVB standards documents are available from -<ulink url="http://www.dvb.org" /> and/or -<ulink url="http://www.etsi.org" />.</para> - -<para>It is also necessary to know how to access unix/linux devices and -how to use ioctl calls. This also includes the knowledge of C or C++. -</para> -</section> - -<section id="history"> -<title>History</title> - -<para>The first API for DVB cards we used at Convergence in late 1999 -was an extension of the Video4Linux API which was primarily developed -for frame grabber cards. As such it was not really well suited to be -used for DVB cards and their new features like recording MPEG streams -and filtering several section and PES data streams at the same time. -</para> - -<para>In early 2000, we were approached by Nokia with a proposal for a -new standard Linux DVB API. As a commitment to the development of -terminals based on open standards, Nokia and Convergence made it -available to all Linux developers and published it on -<ulink url="https://linuxtv.org" /> in September 2000. -Convergence is the maintainer of the Linux DVB API. Together with the -LinuxTV community (i.e. you, the reader of this document), the Linux DVB -API will be constantly reviewed and improved. With the Linux driver for -the Siemens/Hauppauge DVB PCI card Convergence provides a first -implementation of the Linux DVB API.</para> -</section> - -<section id="overview"> -<title>Overview</title> - -<figure id="stb_components"> -<title>Components of a DVB card/STB</title> -<mediaobject> -<imageobject> -<imagedata fileref="dvbstb.pdf" format="PS" /> -</imageobject> -<imageobject> -<imagedata fileref="dvbstb.png" format="PNG" /> -</imageobject> -</mediaobject> -</figure> - -<para>A DVB PCI card or DVB set-top-box (STB) usually consists of the -following main hardware components: </para> - -<itemizedlist> - <listitem> - -<para>Frontend consisting of tuner and DVB demodulator</para> - -<para>Here the raw signal reaches the DVB hardware from a satellite dish -or antenna or directly from cable. The frontend down-converts and -demodulates this signal into an MPEG transport stream (TS). In case of a -satellite frontend, this includes a facility for satellite equipment -control (SEC), which allows control of LNB polarization, multi feed -switches or dish rotors.</para> - -</listitem> - <listitem> - -<para>Conditional Access (CA) hardware like CI adapters and smartcard slots -</para> - -<para>The complete TS is passed through the CA hardware. Programs to -which the user has access (controlled by the smart card) are decoded in -real time and re-inserted into the TS.</para> - -</listitem> - <listitem> - <para>Demultiplexer which filters the incoming DVB stream</para> - -<para>The demultiplexer splits the TS into its components like audio and -video streams. Besides usually several of such audio and video streams -it also contains data streams with information about the programs -offered in this or other streams of the same provider.</para> - -</listitem> -<listitem> - -<para>MPEG2 audio and video decoder</para> - -<para>The main targets of the demultiplexer are the MPEG2 audio and -video decoders. After decoding they pass on the uncompressed audio and -video to the computer screen or (through a PAL/NTSC encoder) to a TV -set.</para> - - -</listitem> -</itemizedlist> - -<para><xref linkend="stb_components" /> shows a crude schematic of the control and data flow -between those components.</para> - -<para>On a DVB PCI card not all of these have to be present since some -functionality can be provided by the main CPU of the PC (e.g. MPEG -picture and sound decoding) or is not needed (e.g. for data-only uses -like “internet over satellite”). Also not every card or STB -provides conditional access hardware.</para> - -</section> - -<section id="dvb_devices"> -<title>Linux DVB Devices</title> - -<para>The Linux DVB API lets you control these hardware components -through currently six Unix-style character devices for video, audio, -frontend, demux, CA and IP-over-DVB networking. The video and audio -devices control the MPEG2 decoder hardware, the frontend device the -tuner and the DVB demodulator. The demux device gives you control over -the PES and section filters of the hardware. If the hardware does not -support filtering these filters can be implemented in software. Finally, -the CA device controls all the conditional access capabilities of the -hardware. It can depend on the individual security requirements of the -platform, if and how many of the CA functions are made available to the -application through this device.</para> - -<para>All devices can be found in the <constant>/dev</constant> -tree under <constant>/dev/dvb</constant>. The individual devices -are called:</para> - -<itemizedlist> -<listitem> - -<para><constant>/dev/dvb/adapterN/audioM</constant>,</para> -</listitem> -<listitem> -<para><constant>/dev/dvb/adapterN/videoM</constant>,</para> -</listitem> -<listitem> -<para><constant>/dev/dvb/adapterN/frontendM</constant>,</para> -</listitem> - <listitem> - -<para><constant>/dev/dvb/adapterN/netM</constant>,</para> -</listitem> - <listitem> - -<para><constant>/dev/dvb/adapterN/demuxM</constant>,</para> -</listitem> - <listitem> - -<para><constant>/dev/dvb/adapterN/dvrM</constant>,</para> -</listitem> - <listitem> - -<para><constant>/dev/dvb/adapterN/caM</constant>,</para></listitem></itemizedlist> - -<para>where N enumerates the DVB PCI cards in a system starting -from 0, and M enumerates the devices of each type within each -adapter, starting from 0, too. We will omit the “ -<constant>/dev/dvb/adapterN/</constant>” in the further discussion -of these devices.</para> - -<para>More details about the data structures and function calls of all -the devices are described in the following chapters.</para> - -</section> - -<section id="include_files"> -<title>API include files</title> - -<para>For each of the DVB devices a corresponding include file exists. -The DVB API include files should be included in application sources with -a partial path like:</para> - -<programlisting> - #include <linux/dvb/audio.h> -</programlisting> -<programlisting> - #include <linux/dvb/ca.h> -</programlisting> -<programlisting> - #include <linux/dvb/dmx.h> -</programlisting> -<programlisting> - #include <linux/dvb/frontend.h> -</programlisting> -<programlisting> - #include <linux/dvb/net.h> -</programlisting> -<programlisting> - #include <linux/dvb/osd.h> -</programlisting> -<programlisting> - #include <linux/dvb/video.h> -</programlisting> - -<para>To enable applications to support different API version, an -additional include file -<constant>linux/dvb/version.h</constant> exists, which defines the -constant <constant>DVB_API_VERSION</constant>. This document -describes <constant>DVB_API_VERSION 5.10</constant>. -</para> - -</section> - diff --git a/Documentation/DocBook/media/dvb/net.xml b/Documentation/DocBook/media/dvb/net.xml deleted file mode 100644 index da095ed0b75c..000000000000 --- a/Documentation/DocBook/media/dvb/net.xml +++ /dev/null @@ -1,238 +0,0 @@ -<title>DVB Network API</title> -<para>The DVB net device controls the mapping of data packages that are - part of a transport stream to be mapped into a virtual network interface, - visible through the standard Linux network protocol stack.</para> -<para>Currently, two encapsulations are supported:</para> -<itemizedlist> - <listitem><para><ulink url="http://en.wikipedia.org/wiki/Multiprotocol_Encapsulation"> - Multi Protocol Encapsulation (MPE)</ulink></para></listitem> - <listitem><para><ulink url="http://en.wikipedia.org/wiki/Unidirectional_Lightweight_Encapsulation"> - Ultra Lightweight Encapsulation (ULE)</ulink></para></listitem> -</itemizedlist> - -<para>In order to create the Linux virtual network interfaces, an application - needs to tell to the Kernel what are the PIDs and the encapsulation types - that are present on the transport stream. This is done through - <constant>/dev/dvb/adapter?/net?</constant> device node. - The data will be available via virtual <constant>dvb?_?</constant> - network interfaces, and will be controlled/routed via the standard - ip tools (like ip, route, netstat, ifconfig, etc).</para> -<para> Data types and and ioctl definitions are defined via - <constant>linux/dvb/net.h</constant> header.</para> - -<section id="net_fcalls"> -<title>DVB net Function Calls</title> - - -<refentry id="NET_ADD_IF"> - <refmeta> - <refentrytitle>ioctl NET_ADD_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_ADD_IF</refname> - <refpurpose>Creates a new network interface for a given Packet ID.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>pointer to &dvb-net-if;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_ADD_IF ioctl system call selects the Packet ID (PID) that - contains a TCP/IP traffic, the type of encapsulation to be used (MPE or ULE) - and the interface number for the new interface to be created. When the - system call successfully returns, a new virtual network interface is created.</para> -<para>The &dvb-net-if;::ifnum field will be filled with the number of the - created interface.</para> - -&return-value-dvb; -</refsect1> - -<refsect1 id="dvb-net-if-t"> -<title>struct <structname>dvb_net_if</structname> description</title> - -<table pgwide="1" frame="none" id="dvb-net-if"> - <title>struct <structname>dvb_net_if</structname></title> - <tgroup cols="2"> - &cs-def; - <thead> - <row> - <entry>ID</entry> - <entry>Description</entry> - </row> - </thead> - <tbody valign="top"> - <row> - <entry align="char">pid</entry> - <entry align="char">Packet ID (PID) of the MPEG-TS that contains - data</entry> - </row><row> - <entry align="char">ifnum</entry> - <entry align="char">number of the DVB interface.</entry> - </row><row> - <entry align="char">feedtype</entry> - <entry align="char">Encapsulation type of the feed. It can be: - <constant>DVB_NET_FEEDTYPE_MPE</constant> for MPE encoding - or - <constant>DVB_NET_FEEDTYPE_ULE</constant> for ULE encoding. - </entry> - </row> - </tbody> - </tgroup> -</table> -</refsect1> -</refentry> - -<refentry id="NET_REMOVE_IF"> - <refmeta> - <refentrytitle>ioctl NET_REMOVE_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_REMOVE_IF</refname> - <refpurpose>Removes a network interface.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>int <parameter>ifnum</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>number of the interface to be removed</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_REMOVE_IF ioctl deletes an interface previously created - via &NET-ADD-IF;.</para> - -&return-value-dvb; -</refsect1> -</refentry> - - -<refentry id="NET_GET_IF"> - <refmeta> - <refentrytitle>ioctl NET_GET_IF</refentrytitle> - &manvol; - </refmeta> - - <refnamediv> - <refname>NET_GET_IF</refname> - <refpurpose>Read the configuration data of an interface created via - &NET-ADD-IF;.</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcprototype> - <funcdef>int <function>ioctl</function></funcdef> - <paramdef>int <parameter>fd</parameter></paramdef> - <paramdef>int <parameter>request</parameter></paramdef> - <paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Arguments</title> - <variablelist> - <varlistentry> - <term><parameter>fd</parameter></term> - <listitem> - <para>&fe_fd;</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>request</parameter></term> - <listitem> - <para>FE_SET_TONE</para> - </listitem> - </varlistentry> - <varlistentry> - <term><parameter>net_if</parameter></term> - <listitem> - <para>pointer to &dvb-net-if;</para> - </listitem> - </varlistentry> - </variablelist> - </refsect1> - - <refsect1> - <title>Description</title> - -<para>The NET_GET_IF ioctl uses the interface number given by the - &dvb-net-if;::ifnum field and fills the content of &dvb-net-if; with - the packet ID and encapsulation type used on such interface. If the - interface was not created yet with &NET-ADD-IF;, it will return -1 and - fill the <constant>errno</constant> with <constant>EINVAL</constant> - error code.</para> - -&return-value-dvb; -</refsect1> -</refentry> -</section> diff --git a/Documentation/DocBook/media/dvb/video.xml b/Documentation/DocBook/media/dvb/video.xml deleted file mode 100644 index 71547fcd7ba0..000000000000 --- a/Documentation/DocBook/media/dvb/video.xml +++ /dev/null @@ -1,1968 +0,0 @@ -<title>DVB Video Device</title> -<para>The DVB video device controls the MPEG2 video decoder of the DVB hardware. It -can be accessed through <emphasis role="bold">/dev/dvb/adapter0/video0</emphasis>. Data types and and -ioctl definitions can be accessed by including <emphasis role="bold">linux/dvb/video.h</emphasis> in your -application. -</para> -<para>Note that the DVB video device only controls decoding of the MPEG video stream, not -its presentation on the TV or computer screen. On PCs this is typically handled by an -associated video4linux device, e.g. <emphasis role="bold">/dev/video</emphasis>, which allows scaling and defining output -windows. -</para> -<para>Some DVB cards don’t have their own MPEG decoder, which results in the omission of -the audio and video device as well as the video4linux device. -</para> -<para>The ioctls that deal with SPUs (sub picture units) and navigation packets are only -supported on some MPEG decoders made for DVD playback. -</para> -<para> -These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use -of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls -have been created to replace that functionality.</para> -<section id="video_types"> -<title>Video Data Types</title> - -<section id="video-format-t"> -<title>video_format_t</title> -<para>The <constant>video_format_t</constant> data type defined by -</para> -<programlisting> -typedef enum { - VIDEO_FORMAT_4_3, /⋆ Select 4:3 format ⋆/ - VIDEO_FORMAT_16_9, /⋆ Select 16:9 format. ⋆/ - VIDEO_FORMAT_221_1 /⋆ 2.21:1 ⋆/ -} video_format_t; -</programlisting> -<para>is used in the VIDEO_SET_FORMAT function (??) to tell the driver which aspect ratio -the output hardware (e.g. TV) has. It is also used in the data structures video_status -(??) returned by VIDEO_GET_STATUS (??) and video_event (??) returned by -VIDEO_GET_EVENT (??) which report about the display format of the current video -stream. -</para> -</section> - -<section id="video-displayformat-t"> -<title>video_displayformat_t</title> -<para>In case the display format of the video stream and of the display hardware differ the -application has to specify how to handle the cropping of the picture. This can be done using -the VIDEO_SET_DISPLAY_FORMAT call (??) which accepts -</para> -<programlisting> -typedef enum { - VIDEO_PAN_SCAN, /⋆ use pan and scan format ⋆/ - VIDEO_LETTER_BOX, /⋆ use letterbox format ⋆/ - VIDEO_CENTER_CUT_OUT /⋆ use center cut out format ⋆/ -} video_displayformat_t; -</programlisting> -<para>as argument. -</para> -</section> - -<section id="video-stream-source-t"> -<title>video_stream_source_t</title> -<para>The video stream source is set through the VIDEO_SELECT_SOURCE call and can take -the following values, depending on whether we are replaying from an internal (demuxer) or -external (user write) source. -</para> -<programlisting> -typedef enum { - VIDEO_SOURCE_DEMUX, /⋆ Select the demux as the main source ⋆/ - VIDEO_SOURCE_MEMORY /⋆ If this source is selected, the stream - comes from the user through the write - system call ⋆/ -} video_stream_source_t; -</programlisting> -<para>VIDEO_SOURCE_DEMUX selects the demultiplexer (fed either by the frontend or the -DVR device) as the source of the video stream. If VIDEO_SOURCE_MEMORY -is selected the stream comes from the application through the <emphasis role="bold">write()</emphasis> system -call. -</para> -</section> - -<section id="video-play-state-t"> -<title>video_play_state_t</title> -<para>The following values can be returned by the VIDEO_GET_STATUS call representing the -state of video playback. -</para> -<programlisting> -typedef enum { - VIDEO_STOPPED, /⋆ Video is stopped ⋆/ - VIDEO_PLAYING, /⋆ Video is currently playing ⋆/ - VIDEO_FREEZED /⋆ Video is freezed ⋆/ -} video_play_state_t; -</programlisting> -</section> - -<section id="video-command"> -<title>struct video_command</title> -<para>The structure must be zeroed before use by the application -This ensures it can be extended safely in the future.</para> -<programlisting> -struct video_command { - __u32 cmd; - __u32 flags; - union { - struct { - __u64 pts; - } stop; - - struct { - /⋆ 0 or 1000 specifies normal speed, - 1 specifies forward single stepping, - -1 specifies backward single stepping, - >>1: playback at speed/1000 of the normal speed, - <-1: reverse playback at (-speed/1000) of the normal speed. ⋆/ - __s32 speed; - __u32 format; - } play; - - struct { - __u32 data[16]; - } raw; - }; -}; -</programlisting> -</section> - -<section id="video-size-t"> -<title>video_size_t</title> -<programlisting> -typedef struct { - int w; - int h; - video_format_t aspect_ratio; -} video_size_t; -</programlisting> -</section> - - -<section id="video-event"> -<title>struct video_event</title> -<para>The following is the structure of a video event as it is returned by the VIDEO_GET_EVENT -call. -</para> -<programlisting> -struct video_event { - __s32 type; -#define VIDEO_EVENT_SIZE_CHANGED 1 -#define VIDEO_EVENT_FRAME_RATE_CHANGED 2 -#define VIDEO_EVENT_DECODER_STOPPED 3 -#define VIDEO_EVENT_VSYNC 4 - __kernel_time_t timestamp; - union { - video_size_t size; - unsigned int frame_rate; /⋆ in frames per 1000sec ⋆/ - unsigned char vsync_field; /⋆ unknown/odd/even/progressive ⋆/ - } u; -}; -</programlisting> -</section> - -<section id="video-status"> -<title>struct video_status</title> -<para>The VIDEO_GET_STATUS call returns the following structure informing about various -states of the playback operation. -</para> -<programlisting> -struct video_status { - int video_blank; /⋆ blank video on freeze? ⋆/ - video_play_state_t play_state; /⋆ current state of playback ⋆/ - video_stream_source_t stream_source; /⋆ current source (demux/memory) ⋆/ - video_format_t video_format; /⋆ current aspect ratio of stream ⋆/ - video_displayformat_t display_format;/⋆ selected cropping mode ⋆/ -}; -</programlisting> -<para>If video_blank is set video will be blanked out if the channel is changed or if playback is -stopped. Otherwise, the last picture will be displayed. play_state indicates if the video is -currently frozen, stopped, or being played back. The stream_source corresponds to the seleted -source for the video stream. It can come either from the demultiplexer or from memory. -The video_format indicates the aspect ratio (one of 4:3 or 16:9) of the currently -played video stream. Finally, display_format corresponds to the selected cropping -mode in case the source video format is not the same as the format of the output -device. -</para> -</section> - -<section id="video-still-picture"> -<title>struct video_still_picture</title> -<para>An I-frame displayed via the VIDEO_STILLPICTURE call is passed on within the -following structure. -</para> -<programlisting> -/⋆ pointer to and size of a single iframe in memory ⋆/ -struct video_still_picture { - char ⋆iFrame; /⋆ pointer to a single iframe in memory ⋆/ - int32_t size; -}; -</programlisting> -</section> - -<section id="video_caps"> -<title>video capabilities</title> -<para>A call to VIDEO_GET_CAPABILITIES returns an unsigned integer with the following -bits set according to the hardwares capabilities. -</para> -<programlisting> - /⋆ bit definitions for capabilities: ⋆/ - /⋆ can the hardware decode MPEG1 and/or MPEG2? ⋆/ - #define VIDEO_CAP_MPEG1 1 - #define VIDEO_CAP_MPEG2 2 - /⋆ can you send a system and/or program stream to video device? - (you still have to open the video and the audio device but only - send the stream to the video device) ⋆/ - #define VIDEO_CAP_SYS 4 - #define VIDEO_CAP_PROG 8 - /⋆ can the driver also handle SPU, NAVI and CSS encoded data? - (CSS API is not present yet) ⋆/ - #define VIDEO_CAP_SPU 16 - #define VIDEO_CAP_NAVI 32 - #define VIDEO_CAP_CSS 64 -</programlisting> -</section> - -<section id="video-system"> -<title>video_system_t</title> -<para>A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The -following system types can be set: -</para> -<programlisting> -typedef enum { - VIDEO_SYSTEM_PAL, - VIDEO_SYSTEM_NTSC, - VIDEO_SYSTEM_PALN, - VIDEO_SYSTEM_PALNc, - VIDEO_SYSTEM_PALM, - VIDEO_SYSTEM_NTSC60, - VIDEO_SYSTEM_PAL60, - VIDEO_SYSTEM_PALM60 -} video_system_t; -</programlisting> -</section> - -<section id="video-highlight"> -<title>struct video_highlight</title> -<para>Calling the ioctl VIDEO_SET_HIGHLIGHTS posts the SPU highlight information. The -call expects the following format for that information: -</para> -<programlisting> - typedef - struct video_highlight { - boolean active; /⋆ 1=show highlight, 0=hide highlight ⋆/ - uint8_t contrast1; /⋆ 7- 4 Pattern pixel contrast ⋆/ - /⋆ 3- 0 Background pixel contrast ⋆/ - uint8_t contrast2; /⋆ 7- 4 Emphasis pixel-2 contrast ⋆/ - /⋆ 3- 0 Emphasis pixel-1 contrast ⋆/ - uint8_t color1; /⋆ 7- 4 Pattern pixel color ⋆/ - /⋆ 3- 0 Background pixel color ⋆/ - uint8_t color2; /⋆ 7- 4 Emphasis pixel-2 color ⋆/ - /⋆ 3- 0 Emphasis pixel-1 color ⋆/ - uint32_t ypos; /⋆ 23-22 auto action mode ⋆/ - /⋆ 21-12 start y ⋆/ - /⋆ 9- 0 end y ⋆/ - uint32_t xpos; /⋆ 23-22 button color number ⋆/ - /⋆ 21-12 start x ⋆/ - /⋆ 9- 0 end x ⋆/ - } video_highlight_t; -</programlisting> - -</section> -<section id="video-spu"> -<title>struct video_spu</title> -<para>Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the -following format: -</para> -<programlisting> - typedef - struct video_spu { - boolean active; - int stream_id; - } video_spu_t; -</programlisting> - -</section> -<section id="video-spu-palette"> -<title>struct video_spu_palette</title> -<para>The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE: -</para> -<programlisting> - typedef - struct video_spu_palette { - int length; - uint8_t ⋆palette; - } video_spu_palette_t; -</programlisting> - -</section> -<section id="video-navi-pack"> -<title>struct video_navi_pack</title> -<para>In order to get the navigational data the following structure has to be passed to the ioctl -VIDEO_GET_NAVI: -</para> -<programlisting> - typedef - struct video_navi_pack { - int length; /⋆ 0 ... 1024 ⋆/ - uint8_t data[1024]; - } video_navi_pack_t; -</programlisting> -</section> - - -<section id="video-attributes-t"> -<title>video_attributes_t</title> -<para>The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES: -</para> -<programlisting> - typedef uint16_t video_attributes_t; - /⋆ bits: descr. ⋆/ - /⋆ 15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) ⋆/ - /⋆ 13-12 TV system (0=525/60, 1=625/50) ⋆/ - /⋆ 11-10 Aspect ratio (0=4:3, 3=16:9) ⋆/ - /⋆ 9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca ⋆/ - /⋆ 7 line 21-1 data present in GOP (1=yes, 0=no) ⋆/ - /⋆ 6 line 21-2 data present in GOP (1=yes, 0=no) ⋆/ - /⋆ 5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 ⋆/ - /⋆ 2 source letterboxed (1=yes, 0=no) ⋆/ - /⋆ 0 film/camera mode (0=camera, 1=film (625/50 only)) ⋆/ -</programlisting> -</section></section> - - -<section id="video_function_calls"> -<title>Video Function Calls</title> - - -<section id="video_fopen"> -<title>open()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call opens a named video device (e.g. /dev/dvb/adapter0/video0) - for subsequent use.</para> -<para>When an open() call has succeeded, the device will be ready for use. - The significance of blocking or non-blocking mode is described in the - documentation for functions where there is a difference. It does not affect the - semantics of the open() call itself. A device opened in blocking mode can later - be put into non-blocking mode (and vice versa) using the F_SETFL command - of the fcntl system call. This is a standard system call, documented in the Linux - manual page for fcntl. Only one user can open the Video Device in O_RDWR - mode. All other attempts to open the device in this mode will fail, and an - error-code will be returned. If the Video Device is opened in O_RDONLY - mode, the only ioctl call that can be used is VIDEO_GET_STATUS. All other - call will return an error code.</para> -</entry> - </row></tbody></tgroup></informaltable> - -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int open(const char ⋆deviceName, int flags);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>const char - *deviceName</para> -</entry><entry - align="char"> -<para>Name of specific video device.</para> -</entry> - </row><row><entry - align="char"> -<para>int flags</para> -</entry><entry - align="char"> -<para>A bit-wise OR of the following flags:</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDONLY read-only access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_RDWR read/write access</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>O_NONBLOCK open in non-blocking mode</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>(blocking mode is the default)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>ENODEV</para> -</entry><entry - align="char"> -<para>Device driver not loaded/available.</para> -</entry> - </row><row><entry - align="char"> -<para>EINTERNAL</para> -</entry><entry - align="char"> -<para>Internal error.</para> -</entry> - </row><row><entry - align="char"> -<para>EBUSY</para> -</entry><entry - align="char"> -<para>Device or resource busy.</para> -</entry> - </row><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid argument.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="video_fclose"> -<title>close()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call closes a previously opened video device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int close(int fd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section> -<section id="video_fwrite"> -<title>write()</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This system call can only be used if VIDEO_SOURCE_MEMORY is selected - in the ioctl call VIDEO_SELECT_SOURCE. The data provided shall be in - PES format, unless the capability allows other formats. If O_NONBLOCK is - not specified the function will block until buffer space is available. The amount - of data to be transferred is implied by count.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>size_t write(int fd, const void ⋆buf, size_t count);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>void *buf</para> -</entry><entry - align="char"> -<para>Pointer to the buffer containing the PES data.</para> -</entry> - </row><row><entry - align="char"> -<para>size_t count</para> -</entry><entry - align="char"> -<para>Size of buf.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>RETURN VALUE</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EPERM</para> -</entry><entry - align="char"> -<para>Mode VIDEO_SOURCE_MEMORY not selected.</para> -</entry> - </row><row><entry - align="char"> -<para>ENOMEM</para> -</entry><entry - align="char"> -<para>Attempted to write more data than the internal buffer can - hold.</para> -</entry> - </row><row><entry - align="char"> -<para>EBADF</para> -</entry><entry - align="char"> -<para>fd is not a valid open file descriptor.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_STOP" -role="subsection"><title>VIDEO_STOP</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -&VIDIOC-DECODER-CMD; instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to stop playing the current stream. - Depending on the input parameter, the screen can be blanked out or displaying - the last decoded frame.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_STOP, boolean - mode);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_STOP for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>Boolean mode</para> -</entry><entry - align="char"> -<para>Indicates how the screen shall be handled.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>TRUE: Blank screen when stop.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>FALSE: Show last decoded frame.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_PLAY" -role="subsection"><title>VIDEO_PLAY</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -&VIDIOC-DECODER-CMD; instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to start playing a video stream from the - selected source.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_PLAY);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_PLAY for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_FREEZE" -role="subsection"><title>VIDEO_FREEZE</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -&VIDIOC-DECODER-CMD; instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call suspends the live video stream being played. Decoding - and playing are frozen. It is then possible to restart the decoding - and playing process of the video stream using the VIDEO_CONTINUE - command. If VIDEO_SOURCE_MEMORY is selected in the ioctl call - VIDEO_SELECT_SOURCE, the DVB subsystem will not decode any more - data until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_FREEZE);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_FREEZE for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_CONTINUE" -role="subsection"><title>VIDEO_CONTINUE</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2 -&VIDIOC-DECODER-CMD; instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call restarts decoding and playing processes of the video stream - which was played before a call to VIDEO_FREEZE was made.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_CONTINUE);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_CONTINUE for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SELECT_SOURCE" -role="subsection"><title>VIDEO_SELECT_SOURCE</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. This ioctl was also supported by the -V4L2 ivtv driver, but that has been replaced by the ivtv-specific -<constant>IVTV_IOC_PASSTHROUGH_MODE</constant> ioctl.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call informs the video device which source shall be used for the input - data. The possible sources are demux or memory. If memory is selected, the - data is fed to the video device through the write command.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_SELECT_SOURCE, - video_stream_source_t source);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SELECT_SOURCE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_stream_source_t - source</para> -</entry><entry - align="char"> -<para>Indicates which source shall be used for the Video stream.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_BLANK" -role="subsection"><title>VIDEO_SET_BLANK</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to blank out the picture.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_SET_BLANK, boolean - mode);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_BLANK for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>boolean mode</para> -</entry><entry - align="char"> -<para>TRUE: Blank screen when stop.</para> -</entry> - </row><row><entry - align="char"> -</entry><entry - align="char"> -<para>FALSE: Show last decoded frame.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_STATUS" -role="subsection"><title>VIDEO_GET_STATUS</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to return the current status of the device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_GET_STATUS, struct - video_status ⋆status);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_STATUS for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct video_status - *status</para> -</entry><entry - align="char"> -<para>Returns the current status of the Video Device.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_FRAME_COUNT" -role="subsection"><title>VIDEO_GET_FRAME_COUNT</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this -ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_FRAME</constant> control.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to return the number of displayed frames -since the decoder was started.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_GET_FRAME_COUNT, __u64 *pts);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_FRAME_COUNT for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u64 *pts -</para> -</entry><entry - align="char"> -<para>Returns the number of frames displayed since the decoder was started. -</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_PTS" -role="subsection"><title>VIDEO_GET_PTS</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this -ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_PTS</constant> control.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to return the current PTS timestamp.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_GET_PTS, __u64 *pts);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_PTS for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>__u64 *pts -</para> -</entry><entry - align="char"> -<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1. -</para> -<para> -The PTS should belong to the currently played -frame if possible, but may also be a value close to it -like the PTS of the last decoded frame or the last PTS -extracted by the PES parser.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_FRAME_RATE" -role="subsection"><title>VIDEO_GET_FRAME_RATE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to return the current framerate.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_GET_FRAME_RATE, unsigned int *rate);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_FRAME_RATE for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>unsigned int *rate -</para> -</entry><entry - align="char"> -<para>Returns the framerate in number of frames per 1000 seconds. -</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_EVENT" -role="subsection"><title>VIDEO_GET_EVENT</title> -<para>DESCRIPTION -</para> -<para>This ioctl is for DVB devices only. To get events from a V4L2 decoder use the V4L2 -&VIDIOC-DQEVENT; ioctl instead.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call returns an event of type video_event if available. If an event is - not available, the behavior depends on whether the device is in blocking or - non-blocking mode. In the latter case, the call fails immediately with errno - set to EWOULDBLOCK. In the former case, the call blocks until an event - becomes available. The standard Linux poll() and/or select() system calls can - be used with the device file descriptor to watch for new events. For select(), - the file descriptor should be included in the exceptfds argument, and for - poll(), POLLPRI should be specified as the wake-up condition. Read-only - permissions are sufficient for this ioctl call.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_GET_EVENT, struct - video_event ⋆ev);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_EVENT for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct video_event - *ev</para> -</entry><entry - align="char"> -<para>Points to the location where the event, if any, is to be - stored.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EWOULDBLOCK</para> -</entry><entry - align="char"> -<para>There is no event pending, and the device is in - non-blocking mode.</para> -</entry> - </row><row><entry - align="char"> -<para>EOVERFLOW</para> -</entry><entry - align="char"> -<para>Overflow in event queue - one or more events were lost.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_COMMAND" -role="subsection"><title>VIDEO_COMMAND</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this -ioctl has been replaced by the &VIDIOC-DECODER-CMD; ioctl.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl commands the decoder. The <constant>video_command</constant> struct -is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the -&VIDIOC-DECODER-CMD; documentation for more information.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_COMMAND, struct video_command *cmd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_COMMAND for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct video_command *cmd -</para> -</entry><entry - align="char"> -<para>Commands the decoder. -</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_TRY_COMMAND" -role="subsection"><title>VIDEO_TRY_COMMAND</title> -<para>DESCRIPTION -</para> -<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this -ioctl has been replaced by the &VIDIOC-TRY-DECODER-CMD; ioctl.</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl tries a decoder command. The <constant>video_command</constant> struct -is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the -&VIDIOC-TRY-DECODER-CMD; documentation for more information.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_TRY_COMMAND, struct video_command *cmd);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_TRY_COMMAND for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct video_command *cmd -</para> -</entry><entry - align="char"> -<para>Try a decoder command. -</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_GET_SIZE" -role="subsection"><title>VIDEO_GET_SIZE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl returns the size and aspect ratio.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = - VIDEO_GET_SIZE, video_size_t *size);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_SIZE for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_size_t *size -</para> -</entry><entry - align="char"> -<para>Returns the size and aspect ratio. -</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_DISPLAY_FORMAT" -role="subsection"><title>VIDEO_SET_DISPLAY_FORMAT</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to select the video format to be applied - by the MPEG chip on the video.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = - VIDEO_SET_DISPLAY_FORMAT, video_display_format_t - format);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_DISPLAY_FORMAT for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_display_format_t - format</para> -</entry><entry - align="char"> -<para>Selects the video format to be used.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_STILLPICTURE" -role="subsection"><title>VIDEO_STILLPICTURE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to display a still picture (I-frame). The - input data shall contain an I-frame. If the pointer is NULL, then the current - displayed still picture is blanked.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_STILLPICTURE, - struct video_still_picture ⋆sp);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_STILLPICTURE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>struct - video_still_picture - *sp</para> -</entry><entry - align="char"> -<para>Pointer to a location where an I-frame and size is stored.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_FAST_FORWARD" -role="subsection"><title>VIDEO_FAST_FORWARD</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the Video Device to skip decoding of N number of I-frames. - This call can only be used if VIDEO_SOURCE_MEMORY is selected.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_FAST_FORWARD, int - nFrames);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_FAST_FORWARD for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int nFrames</para> -</entry><entry - align="char"> -<para>The number of frames to skip.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EPERM</para> -</entry><entry - align="char"> -<para>Mode VIDEO_SOURCE_MEMORY not selected.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_SLOWMOTION" -role="subsection"><title>VIDEO_SLOWMOTION</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the video device to repeat decoding frames N number of - times. This call can only be used if VIDEO_SOURCE_MEMORY is selected.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_SLOWMOTION, int - nFrames);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SLOWMOTION for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int nFrames</para> -</entry><entry - align="char"> -<para>The number of times to repeat each frame.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EPERM</para> -</entry><entry - align="char"> -<para>Mode VIDEO_SOURCE_MEMORY not selected.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_GET_CAPABILITIES" -role="subsection"><title>VIDEO_GET_CAPABILITIES</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call asks the video device about its decoding capabilities. On success - it returns and integer which has bits set according to the defines in section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_GET_CAPABILITIES, - unsigned int ⋆cap);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_CAPABILITIES for this - command.</para> -</entry> - </row><row><entry - align="char"> -<para>unsigned int *cap</para> -</entry><entry - align="char"> -<para>Pointer to a location where to store the capability - information.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_ID" -role="subsection"><title>VIDEO_SET_ID</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl selects which sub-stream is to be decoded if a program or system - stream is sent to the video device.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(int fd, int request = VIDEO_SET_ID, int - id);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_ID for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int id</para> -</entry><entry - align="char"> -<para>video sub-stream id</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>Invalid sub-stream id.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_CLEAR_BUFFER" -role="subsection"><title>VIDEO_CLEAR_BUFFER</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl call clears all video buffers in the driver and in the decoder hardware.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_CLEAR_BUFFER);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_CLEAR_BUFFER for this command.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_STREAMTYPE" -role="subsection"><title>VIDEO_SET_STREAMTYPE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl tells the driver which kind of stream to expect being written to it. If - this call is not used the default of video PES is used. Some drivers might not - support this call and always expect PES.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>int ioctl(fd, int request = VIDEO_SET_STREAMTYPE, - int type);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_STREAMTYPE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>int type</para> -</entry><entry - align="char"> -<para>stream type</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_FORMAT" -role="subsection"><title>VIDEO_SET_FORMAT</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl sets the screen format (aspect ratio) of the connected output device - (TV) so that the output of the decoder can be adjusted accordingly.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_FORMAT, - video_format_t format);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_FORMAT for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_format_t - format</para> -</entry><entry - align="char"> -<para>video format of TV as defined in section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>format is not a valid video format.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_SET_SYSTEM" -role="subsection"><title>VIDEO_SET_SYSTEM</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl sets the television output format. The format (see section ??) may - vary from the color format of the displayed MPEG stream. If the hardware is - not able to display the requested format the call will return an error.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_SYSTEM , - video_system_t system);</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_FORMAT for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_system_t - system</para> -</entry><entry - align="char"> -<para>video system of TV output.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>system is not a valid or supported video system.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_SET_HIGHLIGHT" -role="subsection"><title>VIDEO_SET_HIGHLIGHT</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl sets the SPU highlight information for the menu access of a DVD.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_HIGHLIGHT - ,video_highlight_t ⋆vhilite)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_HIGHLIGHT for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_highlight_t - *vhilite</para> -</entry><entry - align="char"> -<para>SPU Highlight information according to section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; - -</section><section id="VIDEO_SET_SPU" -role="subsection"><title>VIDEO_SET_SPU</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl activates or deactivates SPU decoding in a DVD input stream. It can - only be used, if the driver is able to handle a DVD stream.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_SPU , - video_spu_t ⋆spu)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_SPU for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_spu_t *spu</para> -</entry><entry - align="char"> -<para>SPU decoding (de)activation and subid setting according - to section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>input is not a valid spu setting or driver cannot handle - SPU.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_SET_SPU_PALETTE" -role="subsection"><title>VIDEO_SET_SPU_PALETTE</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl sets the SPU color palette.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_SPU_PALETTE - ,video_spu_palette_t ⋆palette )</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_SPU_PALETTE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_spu_palette_t - *palette</para> -</entry><entry - align="char"> -<para>SPU palette according to section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>input is not a valid palette or driver doesn’t handle SPU.</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_GET_NAVI" -role="subsection"><title>VIDEO_GET_NAVI</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl returns navigational information from the DVD stream. This is - especially needed if an encoded stream has to be decoded by the hardware.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_GET_NAVI , - video_navi_pack_t ⋆navipack)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_GET_NAVI for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_navi_pack_t - *navipack</para> -</entry><entry - align="char"> -<para>PCI or DSI pack (private stream 2) according to section - ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EFAULT</para> -</entry><entry - align="char"> -<para>driver is not able to return navigational information</para> -</entry> - </row></tbody></tgroup></informaltable> - -</section><section id="VIDEO_SET_ATTRIBUTES" -role="subsection"><title>VIDEO_SET_ATTRIBUTES</title> -<para>DESCRIPTION -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para>This ioctl is intended for DVD playback and allows you to set certain - information about the stream. Some hardware may not need this information, - but the call also tells the hardware to prepare for DVD playback.</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>SYNOPSIS -</para> -<informaltable><tgroup cols="1"><tbody><row><entry - align="char"> -<para> int ioctl(fd, int request = VIDEO_SET_ATTRIBUTE - ,video_attributes_t vattr)</para> -</entry> - </row></tbody></tgroup></informaltable> -<para>PARAMETERS -</para> -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>int fd</para> -</entry><entry - align="char"> -<para>File descriptor returned by a previous call to open().</para> -</entry> - </row><row><entry - align="char"> -<para>int request</para> -</entry><entry - align="char"> -<para>Equals VIDEO_SET_ATTRIBUTE for this command.</para> -</entry> - </row><row><entry - align="char"> -<para>video_attributes_t - vattr</para> -</entry><entry - align="char"> -<para>video attributes according to section ??.</para> -</entry> - </row></tbody></tgroup></informaltable> -&return-value-dvb; -<informaltable><tgroup cols="2"><tbody><row><entry - align="char"> -<para>EINVAL</para> -</entry><entry - align="char"> -<para>input is not a valid attribute setting.</para> -</entry> - </row></tbody></tgroup></informaltable> - </section></section> |