Set a PCM channel's configurable parameters
#include <sys/asoundlib.h> int snd_pcm_channel_params( snd_pcm_t *handle, snd_pcm_channel_params_t *params );
The snd_pcm_channel_params() function sets up the transfer parameters according to the params structure.
You can call the function in SND_PCM_STATUS_NOTREADY (initial) and SND_PCM_STATUS_READY states; otherwise, snd_pcm_channel_params() returns -EBADFD.
If the parameters are valid (i.e., snd_pcm_channel_params() returns zero), the driver state is changed to SND_PCM_STATUS_READY.
snd_pcm_plugin_set_disable(handle, PLUGIN_CONVERSION);
EOK on success, a negative errno upon failure. The errno values are available in the errno.h file.
QNX Neutrino
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Read the Caveats |
This function is not thread safe if handle (snd_pcm_t) is used across multiple threads.