.. -*- coding: utf-8; mode: rst -*- .. _video_fwrite: ================= dvb video write() ================= Name ---- dvb video write() .. attention:: This ioctl is deprecated. Synopsis -------- .. c:function:: size_t write(int fd, const void *buf, size_t count) Arguments --------- .. flat-table:: :header-rows: 0 :stub-columns: 0 - .. row 1 - int fd - File descriptor returned by a previous call to open(). - .. row 2 - void \*buf - Pointer to the buffer containing the PES data. - .. row 3 - size_t count - Size of buf. Description ----------- This system call can only be used if VIDEO_SOURCE_MEMORY is selected in the ioctl call VIDEO_SELECT_SOURCE. The data provided shall be in PES format, unless the capability allows other formats. If O_NONBLOCK is not specified the function will block until buffer space is available. The amount of data to be transferred is implied by count. Return Value ------------ .. flat-table:: :header-rows: 0 :stub-columns: 0 - .. row 1 - ``EPERM`` - Mode VIDEO_SOURCE_MEMORY not selected. - .. row 2 - ``ENOMEM`` - Attempted to write more data than the internal buffer can hold. - .. row 3 - ``EBADF`` - fd is not a valid open file descriptor.