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al_set_mixer_postprocess_callback(3alleg5) al_set_mixer_postprocess_callback(3alleg5)


al_set_mixer_postprocess_callback - Allegro 5 API


#include <allegro5/allegro_audio.h>
bool al_set_mixer_postprocess_callback(ALLEGRO_MIXER *mixer,
   void (*pp_callback)(void *buf, unsigned int samples, void *data),
   void *pp_callback_userdata)



Sets a post-processing filter function that's called after the attached streams have been mixed. The buffer's format will be whatever the mixer was created with. The sample count and user-data pointer is also passed.

Note: The callback is called from a dedicated audio thread.

Allegro reference manual