Provided by: allegro5-doc_5.2.8.0+dfsg-1_all 
NAME
al_get_audio_stream_length - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro_audio.h>
unsigned int al_get_audio_stream_length(const ALLEGRO_AUDIO_STREAM *stream)
DESCRIPTION
Return the stream length in samples.