snd_pcm_channel_setup()

Get the current configuration for the specified PCM channel

Synopsis:

#include <sys/asoundlib.h>

int snd_pcm_channel_setup( 
       snd_pcm_t *handle, 
       snd_pcm_channel_setup_t *setup );

Arguments:

handle
The handle for the PCM device, which you must have opened by calling snd_pcm_open() or snd_pcm_open_preferred() .
setup
A pointer to a snd_pcm_channel_setup_t structure that snd_pcm_channel_setup() fills with information about the PCM channel setup.

Set the setup structure's channel member to specify the direction. All other members are read-only.

Library:

libasound.so

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

Description:

The snd_pcm_channel_setup() function fills the setup structure with data about the PCM channel's configuration.

Returns:

Zero on success, or a negative error code.

Errors:

-EINVAL
Invalid handle

Classification:

QNX Neutrino

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