1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _VIDEO_FAST_FORWARD:
21 .. attention:: This ioctl is deprecated.
26 .. c:function:: int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames)
27 :name: VIDEO_FAST_FORWARD
42 - File descriptor returned by a previous call to open().
48 - Equals VIDEO_FAST_FORWARD for this command.
54 - The number of frames to skip.
60 This ioctl call asks the Video Device to skip decoding of N number of
61 I-frames. This call can only be used if VIDEO_SOURCE_MEMORY is
68 On success 0 is returned, on error -1 and the ``errno`` variable is set
69 appropriately. The generic error codes are described at the
70 :ref:`Generic Error Codes <gen-errors>` chapter.
83 - Mode VIDEO_SOURCE_MEMORY not selected.