al_get_default_mixer - Man Page

#include <allegro5/allegro_audio.h>

ALLEGRO_MIXER *al_get_default_mixer(void)

Return the default mixer, or NULL if one has not been set. Although different configurations of mixers and voices can be used, in most cases a single mixer attached to a voice is what you want. The default mixer is used by al_play_sample(3).

al_reserve_samples(3), al_play_sample(3), al_set_default_mixer(3), al_restore_default_mixer(3)

al_get_default_voice(3), al_restore_default_mixer(3), al_set_default_mixer(3), al_set_default_voice(3).