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| -rw-r--r-- | Documentation/media/uapi/dvb/video-get-pts.rst | 71 |
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diff --git a/Documentation/media/uapi/dvb/video-get-pts.rst b/Documentation/media/uapi/dvb/video-get-pts.rst new file mode 100644 index 000000000..c73f86f1d --- /dev/null +++ b/Documentation/media/uapi/dvb/video-get-pts.rst @@ -0,0 +1,71 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _VIDEO_GET_PTS: + +============= +VIDEO_GET_PTS +============= + +Name +---- + +VIDEO_GET_PTS + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:function:: int ioctl(int fd, VIDEO_GET_PTS, __u64 *pts) + :name: VIDEO_GET_PTS + + +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_GET_PTS for this command. + + - .. row 3 + + - __u64 \*pts + + - Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / + ISO/IEC 13818-1. + + 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. + + +Description +----------- + +This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders +this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_PTS`` +control. + +This ioctl call asks the Video Device to return the current PTS +timestamp. + + +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. |