snd_mixer_info()

Get general information about a mixer device

Synopsis:

#include <sys/asoundlib.h>

int snd_mixer_info( snd_mixer_t *handle, 
                    snd_mixer_info_t *info );

Arguments:

handle: The handle for the mixer device. This must have been created by snd_mixer_open().
info: A pointer to a snd_mixer_info_t structure that snd_mixer_info() fills in with the information about the mixer device.

Library:

libasound.so

Description:

The snd_mixer_info() function fills the info structure with information about the mixer device, including the:

device name
device type
number of mixer groups and elements the mixer contains.

Returns:

Zero on success, or a negative value on error.

Errors:

-EINVAL: Invalid handle.

Classification:

QNX Neutrino

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

snd_mixer_info_t