get_sound_input_cap_parm(3) - Linux man page
Name
get_sound_input_cap_parm - Detects if the specified recording parameters are supported. Allegro game programming library.Synopsis
#include <allegro.h>int get_sound_input_cap_parm(int rate, int bits, int stereo);
Description
Checks whether the specified recording frequency, number of bits, and mono/stereo mode are supported (and how) by the current audio driver.Return Value
The function returns one of the following possible values:0 = It is impossible to record in this format.
1 = Recording is possible, but audio output
will be suspended.
2 = Recording is possible at the same time as
playing other sounds (full duplex soundcard).
-n = Sampling rate not supported, but rate 'n'
would work instead.