#ifndef sdl_audio_h #define sdl_audio_h #include #include #include bool GB_audio_is_playing(void); void GB_audio_set_paused(bool paused); void GB_audio_clear_queue(void); unsigned GB_audio_get_frequency(void); size_t GB_audio_get_queue_length(void); void GB_audio_queue_sample(GB_sample_t *sample); bool GB_audio_init(void); const char *GB_audio_driver_name(void); typedef struct { typeof(GB_audio_is_playing) *audio_is_playing; typeof(GB_audio_set_paused) *audio_set_paused; typeof(GB_audio_clear_queue) *audio_clear_queue; typeof(GB_audio_get_frequency) *audio_get_frequency; typeof(GB_audio_get_queue_length) *audio_get_queue_length; typeof(GB_audio_queue_sample) *audio_queue_sample; typeof(GB_audio_init) *audio_init; const char *name; } GB_audio_driver_t; #define GB_AUDIO_DRIVER(_name) const GB_audio_driver_t _name##driver = { \ .audio_is_playing = _audio_is_playing, \ .audio_set_paused = _audio_set_paused, \ .audio_clear_queue = _audio_clear_queue, \ .audio_get_frequency = _audio_get_frequency, \ .audio_get_queue_length = _audio_get_queue_length, \ .audio_queue_sample = _audio_queue_sample, \ .audio_init = _audio_init, \ .name = #_name, \ } #define GB_AUDIO_DRIVER_REF(name) ({extern const GB_audio_driver_t name##driver; &name##driver;}) #endif /* sdl_audio_h */