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Diffstat (limited to 'Documentation/media/uapi/dvb/video-set-id.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/video-set-id.rst | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/video-set-id.rst b/Documentation/media/uapi/dvb/video-set-id.rst new file mode 100644 index 000000000000..9c002d5399ad --- /dev/null +++ b/Documentation/media/uapi/dvb/video-set-id.rst @@ -0,0 +1,73 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _VIDEO_SET_ID: + +============ +VIDEO_SET_ID +============ + +Name +---- + +VIDEO_SET_ID + + +Synopsis +-------- + +.. cpp:function:: int ioctl(int fd, int request = VIDEO_SET_ID, int id) + + +Arguments +--------- + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - int fd + + - File descriptor returned by a previous call to open(). + + - .. row 2 + + - int request + + - Equals VIDEO_SET_ID for this command. + + - .. row 3 + + - int id + + - video sub-stream id + + +Description +----------- + +This ioctl selects which sub-stream is to be decoded if a program or +system stream is sent to the video device. + + +Return Value +------------ + +On success 0 is returned, on error -1 and the ``errno`` variable is set +appropriately. The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. + + + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + + - .. row 1 + + - ``EINVAL`` + + - Invalid sub-stream id. |