6.3.2.15. AUDIO_GET_CAPABILITIES¶
6.3.2.15.2. Synopsis¶
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AUDIO_GET_CAPABILITIES¶
int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)
6.3.2.15.3. Arguments¶
| int fd | File descriptor returned by a previous call to open(). |
| unsigned int *cap | Returns a bit array of supported sound formats. |
6.3.2.15.4. Description¶
This ioctl call asks the Audio Device to tell us about the decoding capabilities of the audio hardware.
6.3.2.15.5. 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.