al_set_sample_instance_gain (3alleg5)

• #include <allegro5/allegro_audio.h>
  
  bool al_set_sample_instance_gain(ALLEGRO_SAMPLE_INSTANCE *spl, float val)
  
  

Set the playback gain.

Returns true on success, false on failure. Will fail if the sample instance is attached directly to a voice.

al_get_sample_instance_gain(3alleg5)