static Uint8 *audio_pos; // global pointer to the audio buffer to be played
static Uint32 audio_len; // remaining length of the sample we have to play

void my_audio_callback(void *userdata, Uint8 *stream, int len) {

	if (audio_len == 0)
		return;

	len = (len > audio_len ? audio_len : len);

	SDL_memcpy (stream, audio_pos, len); 					// simply copy from one buffer into the other

	SDL_MixAudio(stream, audio_pos, len, SDL_MIX_MAXVOLUME);// mix from one buffer into another

	audio_pos += len;
	audio_len -= len;
}

void playAudio(std::string path)
{


	// local variables
	static Uint32 wav_length; // length of our sample
	static Uint8 *wav_buffer; // buffer containing our audio file
	static SDL_AudioSpec wav_spec; // the specs of our piece of music


								   /* Load the WAV */
								   // the specs, length and buffer of our wav are filled
	if (SDL_LoadWAV(path.c_str(), &wav_spec, &wav_buffer, &wav_length) == NULL)
	{
		QuitOnSDLError();
	}
	// set the callback function
	wav_spec.callback = my_audio_callback;
	wav_spec.userdata = NULL;
	wav_spec.samples = 1024;
	// set our global static variables
	audio_pos = wav_buffer; // copy sound buffer
	audio_len = wav_length; // copy file length

							/* Open the audio device */
	if (SDL_OpenAudio(&wav_spec, NULL) < 0) {
		fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
		exit(-1);
	}

	/* Start playing */
	SDL_PauseAudio(0); //pauze op 0 zetten

	// wait until we're done playing
	while (audio_len > 0) {
		SDL_Delay(100);
	}





	// shut everything down
	SDL_CloseAudio();
	SDL_FreeWAV(wav_buffer);

}