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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst')
-rw-r--r-- | drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst b/drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst new file mode 100644 index 000000000..e71fa8d69 --- /dev/null +++ b/drivers/staging/media/deprecated/saa7146/av7110/video-fast-forward.rst @@ -0,0 +1,72 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.video + +.. _VIDEO_FAST_FORWARD: + +================== +VIDEO_FAST_FORWARD +================== + +Name +---- + +VIDEO_FAST_FORWARD + +.. attention:: This ioctl is deprecated. + +Synopsis +-------- + +.. c:macro:: VIDEO_FAST_FORWARD + +``int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames)`` + +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_FAST_FORWARD for this command. + + - .. row 3 + + - int nFrames + + - The number of frames to skip. + +Description +----------- + +This ioctl call asks the Video Device to skip decoding of N number of +I-frames. This call can only be used if VIDEO_SOURCE_MEMORY is +selected. + +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 + + - ``EPERM`` + + - Mode VIDEO_SOURCE_MEMORY not selected. |