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Get the current configuration for the specified PCM channel
#include <sys/asoundlib.h>
int snd_pcm_channel_setup(
snd_pcm_t *handle,
snd_pcm_channel_setup_t *setup );
- 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.
libasound.so
The snd_pcm_channel_setup() function
fills the setup structure with data about the PCM channel's
configuration.
Zero on success, or a negative error code.
- -EINVAL
- Invalid handle
QNX Neutrino
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
snd_pcm_channel_params(),
snd_pcm_channel_setup_t,
snd_mixer_gid_t,
snd_pcm_open(),
snd_pcm_open_preferred(),
snd_pcm_plugin_setup()
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