1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.video
4 .. _VIDEO_FAST_FORWARD:
15 .. attention:: This ioctl is deprecated.
20 .. c:macro:: VIDEO_FAST_FORWARD
22 ``int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames)``
35 - File descriptor returned by a previous call to open().
41 - Equals VIDEO_FAST_FORWARD for this command.
47 - The number of frames to skip.
52 This ioctl call asks the Video Device to skip decoding of N number of
53 I-frames. This call can only be used if VIDEO_SOURCE_MEMORY is
59 On success 0 is returned, on error -1 and the ``errno`` variable is set
60 appropriately. The generic error codes are described at the
61 :ref:`Generic Error Codes <gen-errors>` chapter.
72 - Mode VIDEO_SOURCE_MEMORY not selected.