blob: a7730559bbb2b77e26cce07222ca9a9dde956394 [file] [log] [blame]
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.video
.. _VIDEO_CLEAR_BUFFER:
==================
VIDEO_CLEAR_BUFFER
==================
Name
----
VIDEO_CLEAR_BUFFER
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:macro:: VIDEO_CLEAR_BUFFER
``int ioctl(fd, VIDEO_CLEAR_BUFFER)``
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_CLEAR_BUFFER for this command.
Description
-----------
This ioctl call clears all video buffers in the driver and in the
decoder hardware.
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.