read_sound_input(3) Allegro manual read_sound_input(3)NAMEread_sound_input - Retrieves the last recorded audio buffer. Allegro
game programming library.
SYNOPSIS
#include <allegro.h>
int read_sound_input(void *buffer);
DESCRIPTION
Retrieves the most recently recorded audio buffer into the specified
location. The buffer size can be obtained by checking the return value
from start_sound_input(). You must be sure to call this function at
regular intervals during the recording (typically around 100 times a
second), or some data will be lost. If you are unable to do this often
enough from the mainline code, use the digi_recorder() callback to
store the waveform into a larger buffer of your own.
Note: many cards produce a click or popping sound when switching
between record and playback modes, so it is often a good idea to dis‐
card the first buffer after you start a recording. The waveform is
always stored in unsigned format, with stereo data consisting of alter‐
nate left/right samples.
RETURN VALUE
The function will return non-zero if a buffer has been copied or zero
if no new data is yet available (you were too fast checking the input).
SEE ALSOstart_sound_input(3)Allegro version 4.4.2 read_sound_input(3)
