7.2.2.16. AUDIO_GET_CAPABILITIES

7.2.2.16.1. Name

AUDIO_GET_CAPABILITIES

7.2.2.16.2. Synopsis

int ioctl(int fd, int request = AUDIO_GET_CAPABILITIES, unsigned int *cap)

7.2.2.16.3. Arguments

int fd	File descriptor returned by a previous call to open().
int request	Equals AUDIO_GET_CAPABILITIES for this command.
unsigned int *cap	Returns a bit array of supported sound formats.

7.2.2.16.4. Description

This ioctl call asks the Audio Device to tell us about the decoding capabilities of the audio hardware.

7.2.2.16.5. 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.