6.3.2.16. AUDIO_GET_CAPABILITIES¶
6.3.2.16.2. Synopsis¶
-
int
ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)¶
6.3.2.16.3. Arguments¶
| int fd | File descriptor returned by a previous call to open(). |
| unsigned int *cap | Returns a bit array of supported sound formats. |
6.3.2.16.4. Description¶
This ioctl call asks the Audio Device to tell us about the decoding capabilities of the audio hardware.
6.3.2.16.5. 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
Generic Error Codes chapter.