| .. -*- coding: utf-8; mode: rst -*- | |
| .. _DMX_SET_BUFFER_SIZE: | |
| =================== | |
| DMX_SET_BUFFER_SIZE | |
| =================== | |
| Name | |
| ---- | |
| DMX_SET_BUFFER_SIZE | |
| Synopsis | |
| -------- | |
| .. c:function:: int ioctl( int fd, DMX_SET_BUFFER_SIZE, unsigned long size) | |
| :name: DMX_SET_BUFFER_SIZE | |
| Arguments | |
| --------- | |
| ``fd`` | |
| File descriptor returned by :c:func:`open() <dvb-dmx-open>`. | |
| ``size`` | |
| Unsigned long size | |
| Description | |
| ----------- | |
| This ioctl call is used to set the size of the circular buffer used for | |
| filtered data. The default size is two maximum sized sections, i.e. if | |
| this function is not called a buffer size of ``2 * 4096`` bytes will be | |
| used. | |
| Return Value | |
| ------------ | |
| On success 0 is returned. | |
| On error -1 is returned, and the ``errno`` variable is set | |
| appropriately. | |
| The generic error codes are described at the | |
| :ref:`Generic Error Codes <gen-errors>` chapter. |