.. -*- coding: utf-8; mode: rst -*- .. _VIDEO_FAST_FORWARD: ================== VIDEO_FAST_FORWARD ================== Name ---- VIDEO_FAST_FORWARD .. attention:: This ioctl is deprecated. Synopsis -------- .. c:function:: int ioctl(fd, VIDEO_FAST_FORWARD, int nFrames) :name: VIDEO_FAST_FORWARD 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 ` chapter. .. flat-table:: :header-rows: 0 :stub-columns: 0 - .. row 1 - ``EPERM`` - Mode VIDEO_SOURCE_MEMORY not selected.