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snd_pcm_info()

Get general information about a PCM device

Synopsis:

#include <sys/asoundlib.h>

int snd_pcm_info( snd_pcm_t *handle, 
                  snd_pcm_info_t *info );

Arguments:

handle

The handle for the PCM device, which you must have opened by calling snd_pcm_open() or snd_pcm_open_preferred().

info

A pointer to a snd_pcm_info_t structure in which snd_ctl_pcm_info() stores the information.

Library:

libasound.so

Description:

The snd_pcm_info() function fills the info structure with information about the capabilities of the PCM device selected by handle.

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

See also:

snd_pcm_info_t

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