Allegro 5 api
#include <allegro5/allegro_audio.h> bool al_set_default_mixer(ALLEGRO_MIXER *mixer)
Sets the default mixer. All samples started with al_play_sample(3alleg5) will be stopped. If you are using your own mixer, this should be called before al_reserve_samples(3alleg5).
Returns true on success, false on error.
al_reserve_samples(3alleg5), al_play_sample(3alleg5), al_get_default_mixer(3alleg5), al_restore_default_mixer(3alleg5)