diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/dmx_types.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/dmx_types.rst | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/dmx_types.rst b/Documentation/media/uapi/dvb/dmx_types.rst new file mode 100644 index 000000000000..7a8900af2680 --- /dev/null +++ b/Documentation/media/uapi/dvb/dmx_types.rst @@ -0,0 +1,242 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _dmx_types: + +**************** +Demux Data Types +**************** + + +.. _dmx-output-t: + +Output for the demux +==================== + + +.. _dmx-output: + +.. flat-table:: enum dmx_output + :header-rows: 1 + :stub-columns: 0 + + + - .. row 1 + + - ID + + - Description + + - .. row 2 + + - .. _DMX-OUT-DECODER: + + DMX_OUT_DECODER + + - Streaming directly to decoder. + + - .. row 3 + + - .. _DMX-OUT-TAP: + + DMX_OUT_TAP + + - 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. + + - .. row 4 + + - .. _DMX-OUT-TS-TAP: + + DMX_OUT_TS_TAP + + - Output multiplexed into a new TS (to be retrieved by reading from + the logical DVR device). Routes output to the logical DVR device + ``/dev/dvb/adapter?/dvr?``, which delivers a TS multiplexed from + all filters for which ``DMX_OUT_TS_TAP`` was specified. + + - .. row 5 + + - .. _DMX-OUT-TSDEMUX-TAP: + + DMX_OUT_TSDEMUX_TAP + + - Like :ref:`DMX_OUT_TS_TAP <DMX-OUT-TS-TAP>` but retrieved + from the DMX device. + + + +.. _dmx-input-t: + +dmx_input_t +=========== + + +.. code-block:: c + + typedef enum + { + DMX_IN_FRONTEND, /* Input from a front-end device. */ + DMX_IN_DVR /* Input from the logical DVR device. */ + } dmx_input_t; + + +.. _dmx-pes-type-t: + +dmx_pes_type_t +============== + + +.. code-block:: c + + 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; + + +.. _dmx-filter: + +struct dmx_filter +================= + + +.. code-block:: c + + typedef struct dmx_filter + { + __u8 filter[DMX_FILTER_SIZE]; + __u8 mask[DMX_FILTER_SIZE]; + __u8 mode[DMX_FILTER_SIZE]; + } dmx_filter_t; + + +.. _dmx-sct-filter-params: + +struct dmx_sct_filter_params +============================ + + +.. code-block:: c + + 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 + }; + + +.. _dmx-pes-filter-params: + +struct dmx_pes_filter_params +============================ + + +.. code-block:: c + + struct dmx_pes_filter_params + { + __u16 pid; + dmx_input_t input; + dmx_output_t output; + dmx_pes_type_t pes_type; + __u32 flags; + }; + + +.. _dmx-event: + +struct dmx_event +================ + + +.. code-block:: c + + struct dmx_event + { + dmx_event_t event; + time_t timeStamp; + union + { + dmx_scrambling_status_t scrambling; + } u; + }; + + +.. _dmx-stc: + +struct dmx_stc +============== + + +.. code-block:: c + + 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 */ + }; + + +.. _dmx-caps: + +struct dmx_caps +=============== + + +.. code-block:: c + + typedef struct dmx_caps { + __u32 caps; + int num_decoders; + } dmx_caps_t; + + +.. _dmx-source-t: + +enum dmx_source_t +================= + + +.. code-block:: c + + 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; |