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Diffstat (limited to 'Documentation/media/uapi/v4l/video.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/video.rst | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/Documentation/media/uapi/v4l/video.rst b/Documentation/media/uapi/v4l/video.rst index d2bc06b064ad..69603b5efbb5 100644 --- a/Documentation/media/uapi/v4l/video.rst +++ b/Documentation/media/uapi/v4l/video.rst @@ -1,4 +1,11 @@ -.. -*- coding: utf-8; mode: rst -*- +.. Permission is granted to copy, distribute and/or modify this +.. document under the terms of the GNU Free Documentation License, +.. Version 1.1 or any later version published by the Free Software +.. Foundation, with no Invariant Sections, no Front-Cover Texts +.. and no Back-Cover Texts. A copy of the license is included at +.. Documentation/media/uapi/fdl-appendix.rst. +.. +.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections .. _video: @@ -7,7 +14,7 @@ Video Inputs and Outputs ************************ Video inputs and outputs are physical connectors of a device. These can -be for example RF connectors (antenna/cable), CVBS a.k.a. Composite +be for example: RF connectors (antenna/cable), CVBS a.k.a. Composite Video, S-Video and RGB connectors. Camera sensors are also considered to be a video input. Video and VBI capture devices have inputs. Video and VBI output devices have outputs, at least one each. Radio devices have @@ -19,7 +26,7 @@ outputs applications can enumerate them with the :ref:`VIDIOC_ENUMOUTPUT` ioctl, respectively. The struct :c:type:`v4l2_input` returned by the :ref:`VIDIOC_ENUMINPUT` ioctl also contains signal -:status information applicable when the current video input is queried. +status information applicable when the current video input is queried. The :ref:`VIDIOC_G_INPUT <VIDIOC_G_INPUT>` and :ref:`VIDIOC_G_OUTPUT <VIDIOC_G_OUTPUT>` ioctls return the index of |