| .. 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. |
