7.2.2.3. DVB audio write()¶
7.2.2.3.3. Arguments¶
| int fd | File descriptor returned by a previous call to open(). | 
| void *buf | Pointer to the buffer containing the PES data. | 
| size_t count | Size of buf. | 
7.2.2.3.4. 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.
7.2.2.3.5. Return Value¶
| EPERM | Mode AUDIO_SOURCE_MEMORY not selected. | 
| ENOMEM | Attempted to write more data than the internal buffer can hold. | 
| EBADF | fd is not a valid open file descriptor. |