static void ogg_add_callback(int voice)
{
if (!ogg_thread_running)
{
ASND_StopVoice(0);
return;
}
if (private_ogg.flag & 128)
return; // Ogg is paused
if (private_ogg.pcm_indx >= READ_SAMPLES)
{
if (ASND_AddVoice(0,
(void *) private_ogg.pcmout[private_ogg.pcmout_pos],
private_ogg.pcm_indx << 1) == 0)
{
private_ogg.pcmout_pos ^= 1;
private_ogg.pcm_indx = 0;
private_ogg.flag = 0;
LWP_ThreadSignal(oggplayer_queue);
}
}
else
{
if (private_ogg.flag & 64)
{
private_ogg.flag &= ~64;
LWP_ThreadSignal(oggplayer_queue);
}
}
}
extern "C" void SoundCallback(s32 voice)
{
SoundDecoder * decoder = SoundHandler::Instance()->Decoder(voice);
if(!decoder)
return;
if(decoder->IsBufferReady())
{
if(ASND_AddVoice(voice, decoder->GetBuffer(), decoder->GetBufferSize()) == SND_OK)
{
decoder->LoadNext();
SoundHandler::Instance()->ThreadSignal();
}
}
else if(decoder->IsEOF())
{
ASND_StopVoice(voice);
//if(voice == 0)
//MusicPlayer::Instance()->SetPlaybackFinished(true); //see if next music must be played
}
else
{
SoundHandler::Instance()->ThreadSignal();
}
}
void sound_play() {
#if defined(D_SOUND_OSS) || defined(D_SOUND_ALSA) || defined(D_SOUND_PULSE)
static int retval,retval2;
#endif
ordenador.current_buffer=sound[0];
//remove_dc(ordenador.current_buffer,ordenador.buffer_len);
switch(sound_type) {
case SOUND_NO: // no sound
usleep(75000); // wait 1/20 second
return;
break;
case SOUND_SDL: // SDL
if (!started_sound_sdl) {
SDL_PauseAudio(0);
ordenador.current_buffer = sound[0];
buffer0_occupied=1;
started_sound_sdl = 1;
buffer_reading=0;
}
//Double buffer
while ((buffer0_occupied)&&(buffer1_occupied)){usleep(1000);}; //Wait for one buffer to be free
if (!buffer0_occupied) //Buffer 0 is now free
{buffer0_occupied=1;
ordenador.current_buffer = sound[0]; }
else //Buffer 1 is now free
{buffer1_occupied=1;
ordenador.current_buffer = sound[1]; }
return;
break;
#ifdef D_SOUND_OSS
case SOUND_OSS: // OSS
retval=write(audio_fd,ordenador.current_buffer,ordenador.buffer_len*ordenador.increment);
return;
break;
#endif
#ifdef D_SOUND_ALSA
case SOUND_ALSA: // ALSA
if (started_sound==0) {
snd_pcm_prepare (_soundDevice);
started_sound=1;
}
retval=snd_pcm_writei(_soundDevice,sound[0],ordenador.buffer_len);
if (retval<0) {
retval=snd_pcm_prepare(_soundDevice);
}
return;
break;
#endif
#ifdef D_SOUND_PULSE
case SOUND_PULSEAUDIO: // PulseAudio
// Remove the DC component to avoid losing the sound when multiplexing with other sources
sound_remove_dc(ordenador.current_buffer,ordenador.buffer_len);
retval=pa_simple_write(pulse_s,sound[0],ordenador.buffer_len,&retval2);
return;
break;
#endif
#ifdef GEKKO
case SOUND_ASND: // ASND
if (!started_sound_asnd) {
ASND_SetVoice(1,VOICE_STEREO_16BIT_BE,ordenador.freq,0,sound[0],ordenador.buffer_len*ordenador.increment,
255, 255, callback);
started_sound_asnd = 1;
}
//Double buffer
while (!ASND_TestVoiceBufferReady(1)){}; //Wait for one buffer to be free
if (!ASND_TestPointer (1, sound[0]))
{ASND_AddVoice(1,sound[0],ordenador.buffer_len*ordenador.increment);
ordenador.current_buffer = sound[0]; }
else
{ASND_AddVoice(1,sound[1],ordenador.buffer_len*ordenador.increment);
ordenador.current_buffer = sound[1]; }
return;
break;
#endif
default:
break;
}
}
