Set the current channel mapping for a PCM stream
#include <sys/asoundlib.h> int snd_pcm_set_chmap( snd_pcm_t *pcm, const snd_pcm_chmap_t *map );
The snd_pcm_set_chmap() function sets the current channel mapping for a PCM stream. It's supported only if the hardware is capable of being remapped.
0 on success, or a negative errno value if an error occurred.
QNX Neutrino
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Read the Caveats |
This function isn't thread-safe if pcm (snd_pcm_t) is used across multiple threads.