video-get-frame-count.rst (1268B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.video 3 4.. _VIDEO_GET_FRAME_COUNT: 5 6===================== 7VIDEO_GET_FRAME_COUNT 8===================== 9 10Name 11---- 12 13VIDEO_GET_FRAME_COUNT 14 15.. attention:: This ioctl is deprecated. 16 17Synopsis 18-------- 19 20.. c:macro:: VIDEO_GET_FRAME_COUNT 21 22``int ioctl(int fd, VIDEO_GET_FRAME_COUNT, __u64 *pts)`` 23 24Arguments 25--------- 26 27.. flat-table:: 28 :header-rows: 0 29 :stub-columns: 0 30 31 - .. row 1 32 33 - int fd 34 35 - File descriptor returned by a previous call to open(). 36 37 - .. row 2 38 39 - int request 40 41 - Equals VIDEO_GET_FRAME_COUNT for this command. 42 43 - .. row 3 44 45 - __u64 \*pts 46 47 - Returns the number of frames displayed since the decoder was 48 started. 49 50Description 51----------- 52 53This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders 54this ioctl has been replaced by the ``V4L2_CID_MPEG_VIDEO_DEC_FRAME`` 55control. 56 57This ioctl call asks the Video Device to return the number of displayed 58frames since the decoder was started. 59 60Return Value 61------------ 62 63On success 0 is returned, on error -1 and the ``errno`` variable is set 64appropriately. The generic error codes are described at the 65:ref:`Generic Error Codes <gen-errors>` chapter.