static void *stream_audio(ALLEGRO_THREAD *thread, void *data)
{
ALLEGRO_EVENT_QUEUE *queue;
VideoState *is = data;
ALLEGRO_AUDIO_STREAM *audio_stream = is->video->audio;
queue = al_create_event_queue();
if (is->video->mixer)
al_attach_audio_stream_to_mixer(audio_stream, is->video->mixer);
else if (is->video->voice)
al_attach_audio_stream_to_voice(audio_stream, is->video->voice);
else
al_attach_audio_stream_to_mixer(audio_stream, al_get_default_mixer());
al_register_event_source(queue,
al_get_audio_stream_event_source(audio_stream));
while (1) {
ALLEGRO_EVENT event;
al_wait_for_event(queue, &event);
if (event.type == ALLEGRO_EVENT_AUDIO_STREAM_FRAGMENT) {
void *buf = al_get_audio_stream_fragment(audio_stream);
if (!buf)
continue;
audio_callback(is, buf, AUDIO_BUFFER_SIZE);
al_set_audio_stream_fragment(audio_stream, buf);
}
}
return thread;
}
static void sdl_audio_player(void *udata, unsigned char *stream, int len)
{
if(16 == sound_bps)
len /= 2;
if(audio_callback)
audio_callback(stream,len);
}
void retro_run(void)
{
update_input();
render_checkered();
if (!use_audio_cb)
audio_callback();
bool updated = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables();
}
static void AQBufferCallback(void *userdata, AudioQueueRef outQ,
AudioQueueBufferRef outQB)
{
unsigned char *coreAudioBuffer;
coreAudioBuffer = (unsigned char*) outQB->mAudioData;
outQB->mAudioDataByteSize = IPHONE_AUDIO_BUFFER_SIZE;
AudioQueueSetParameter(outQ, kAudioQueueParam_Volume, __audioVolume);
audio_callback(coreAudioBuffer, IPHONE_AUDIO_BUFFER_SIZE);
AudioQueueEnqueueBuffer(outQ, outQB, 0, NULL);
}
static void sdl_audio_callback(void *userdata, Uint8 *stream, int len)
{
audio_callback((Sint16 *)stream, len);
}