| .. -*- coding: utf-8; mode: rst -*- | |
| .. _audio_fwrite: | |
| ========================= | |
| Digital TV audio write() | |
| ========================= | |
| Name | |
| ---- | |
| Digital TV audio write() | |
| .. attention:: This ioctl is deprecated | |
| Synopsis | |
| -------- | |
| .. c:function:: size_t write(int fd, const void *buf, size_t count) | |
| :name: dvb-audio-write | |
| 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 AUDIO_SOURCE_MEMORY is selected | |
| in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in | |
| PES format. 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 AUDIO_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. |