mdelibs/audio/drv_ma.c

#include <MDE/Audio/Audio.h>

#ifdef USE_MA
#include <miniaudio.c>

typedef struct driver {
	MDEAudioHandler handler;
	void*		user;
	ma_device	device;
} driver_t;

void data_callback(ma_device* device, void* output, const void* input, ma_uint32 frame_count) {
	driver_t* drv = device->pUserData;

	drv->handler(drv, drv->user, output, frame_count);
}

MDEAudio MDEAudioOpen(MDEAudioHandler handler, void* user) {
	driver_t*	 drv	 = malloc(sizeof(*drv));
	ma_device_config config	 = ma_device_config_init(ma_device_type_playback);
	config.playback.format	 = ma_format_s16;
	config.playback.channels = 2;
	config.sampleRate	 = MDEAudioRate;
	config.dataCallback	 = data_callback;
	config.pUserData	 = drv;

	drv->handler = handler;
	drv->user    = user;

	if(ma_device_init(NULL, &config, &drv->device) != MA_SUCCESS) {
		free(drv);
		return NULL;
	}

	return drv;
}

void MDEAudioClose(MDEAudio handle) {
	driver_t* drv = handle;
	ma_device_uninit(&drv->device);
	free(handle);
}

void MDEAudioStart(MDEAudio handle) {
	driver_t* drv = handle;
	ma_device_start(&drv->device);
}
#endif