snd_mixer_open_name()

Create a connection and handle to a mixer device specified by name

#include <sys/asoundlib.h>

int snd_mixer_open_name( snd_mixer_t **handle, 
                         char *name );

Arguments:

handle

A pointer to a location where snd_mixer_open_name() can store a handle for the mixer device.

name

The full path of the mixer device to open (e.g. /dev/snd/mixerC0).

Library:

libasound.so

Use the -l asound option to qcc to link against this library.

Description:

The snd_mixer_open_name() function creates a handle and opens a connection to the named mixer device. You'll use this handle when calling the other snd_mixer_* functions.

Returns:

Zero on success, or a negative value on error.

Errors:

-EACCES

Search permission is denied on a component of the path prefix, or the device exists and the permissions specified are denied.

-EINTR

The open() operation was interrupted by a signal.

-EMFILE

Too many file descriptors are currently in use by this process.

-ENFILE

Too many files are currently open in the system.

-ENOENT

The named device doesn't exist.

-ENOMEM

Not enough memory is available for the data structure.

-SND_ERROR_INCOMPATIBLE_VERSION

The audio driver version is incompatible with the client library that the application is using.

Classification:

QNX Neutrino