C++ (Cpp) al_attach_audio_stream_to_voice Exemples

Exemple #1

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;
}

Exemple #2

Fichier : audiostream.cpp Projet : alesegdia/alligator

AudioStream::AudioStream(const char *path, ALLEGRO_PLAYMODE playmode)
{
	// load stream from file
	m_stream = al_load_audio_stream(path, 4, 2048);
	assert(m_stream);

	// create voice for the stream
	m_voice = al_create_voice(44100, al_get_audio_stream_depth(m_stream), ALLEGRO_CHANNEL_CONF_2);


	al_attach_audio_stream_to_voice(m_stream, m_voice);

	this->playmode(playmode);

	//al_detach_voice(m_voice);
	//assert(m_stream != 0);
}