Get information about a sound card's hardware
#include <sys/asoundlib.h> int snd_ctl_hw_info( snd_ctl_t *handle, struct snd_ctl_hw_info *info );
libasound.so
The snd_ctl_hw_info() function fills the info structure with information about the sound card hardware selected by handle.
Zero on success, or a negative value if an error occurs.
QNX Neutrino
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | Yes |
snd_ctl_hw_info_t, snd_ctl_open()