al_set_mixer_gain - Man Page

#include <allegro5/allegro_audio.h>

bool al_set_mixer_gain(ALLEGRO_MIXER *mixer, float new_gain)

Set the mixer gain (amplification factor).

Returns true on success, false on failure.

5.0.6, 5.1.0

al_get_mixer_gain(3)

al_get_mixer_gain(3).