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-.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
-.. c:namespace:: DTV.video
-
-.. _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.