1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: DTV.video 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _VIDEO_FAST_FORWARD: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun================== 7*4882a593SmuzhiyunVIDEO_FAST_FORWARD 8*4882a593Smuzhiyun================== 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun---- 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunVIDEO_FAST_FORWARD 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun.. attention:: This ioctl is deprecated. 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunSynopsis 18*4882a593Smuzhiyun-------- 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun.. c:macro:: VIDEO_FAST_FORWARD 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun``int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames)`` 23*4882a593Smuzhiyun 24*4882a593SmuzhiyunArguments 25*4882a593Smuzhiyun--------- 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun.. flat-table:: 28*4882a593Smuzhiyun :header-rows: 0 29*4882a593Smuzhiyun :stub-columns: 0 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun - .. row 1 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun - int fd 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun - File descriptor returned by a previous call to open(). 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun - .. row 2 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun - int request 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun - Equals VIDEO_FAST_FORWARD for this command. 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun - .. row 3 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun - int nFrames 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun - The number of frames to skip. 48*4882a593Smuzhiyun 49*4882a593SmuzhiyunDescription 50*4882a593Smuzhiyun----------- 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunThis ioctl call asks the Video Device to skip decoding of N number of 53*4882a593SmuzhiyunI-frames. This call can only be used if VIDEO_SOURCE_MEMORY is 54*4882a593Smuzhiyunselected. 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunReturn Value 57*4882a593Smuzhiyun------------ 58*4882a593Smuzhiyun 59*4882a593SmuzhiyunOn success 0 is returned, on error -1 and the ``errno`` variable is set 60*4882a593Smuzhiyunappropriately. The generic error codes are described at the 61*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter. 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun.. flat-table:: 65*4882a593Smuzhiyun :header-rows: 0 66*4882a593Smuzhiyun :stub-columns: 0 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun - .. row 1 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun - ``EPERM`` 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun - Mode VIDEO_SOURCE_MEMORY not selected. 73