Get the current configuration for the specified PCM channel (plugin aware)
#include <sys/asoundlib.h> int snd_pcm_plugin_setup( snd_pcm_t *handle, snd_pcm_channel_setup_t *setup );
Set the setup structure's channel member to specify the direction. All other members are read-only.
libasound.so
The snd_pcm_plugin_setup() function fills the setup structure with information about the current configuration of the PCM channel selected by handle.
Zero on success, or a negative error code.
See the wave.c example in the appendix.
QNX Neutrino
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
This function is the plugin-aware version of snd_pcm_channel_setup(). It functions exactly the same way. However, make sure that you don't mix and match plugin- and nonplugin-aware functions in your application, or you may get undefined behavior and misleading results.
snd_pcm_channel_params(), snd_pcm_channel_setup(), snd_pcm_channel_setup_t, snd_mixer_gid_t, snd_pcm_open(), snd_pcm_open_preferred()