Provided by: allegro5-doc_5.0.10-2_all 
NAME
al_get_sample_instance_gain - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro_audio.h>
float al_get_sample_instance_gain(const ALLEGRO_SAMPLE_INSTANCE *spl)
DESCRIPTION
Return the playback gain.
SEE ALSO
al_set_sample_instance_gain(3alleg5)