| .. 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. |