void GuiSound::Play()
{
if(IsPlaying())
return;
if(voice < 0 || voice >= 16)
return;
SoundDecoder * decoder = SoundHandler::Instance()->Decoder(voice);
if(!decoder)
return;
if(decoder->IsEOF())
{
ASND_StopVoice(voice);
decoder->ClearBuffer();
decoder->Rewind();
decoder->Decode();
}
u8 * curbuffer = decoder->GetBuffer();
int bufsize = decoder->GetBufferSize();
decoder->LoadNext();
SoundHandler::Instance()->ThreadSignal();
ASND_SetVoice(voice, decoder->GetFormat(), decoder->GetSampleRate(), 0, curbuffer, bufsize, volume, volume, SoundCallback);
}
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 SoundHandler::axFrameCallback(void)
{
for (u32 i = 0; i < MAX_DECODERS; i++)
{
Voice *voice = handlerInstance->getVoice(i);
switch (voice->getState())
{
default:
case Voice::STATE_STOPPED:
break;
case Voice::STATE_START: {
SoundDecoder * decoder = handlerInstance->getDecoder(i);
decoder->Lock();
if(decoder->IsBufferReady())
{
const u8 *buffer = decoder->GetBuffer();
const u32 bufferSize = decoder->GetBufferSize();
decoder->LoadNext();
const u8 *nextBuffer = NULL;
u32 nextBufferSize = 0;
if(decoder->IsBufferReady())
{
nextBuffer = decoder->GetBuffer();
nextBufferSize = decoder->GetBufferSize();
decoder->LoadNext();
}
voice->play(buffer, bufferSize, nextBuffer, nextBufferSize, decoder->GetFormat() & 0xff, decoder->GetSampleRate());
handlerInstance->ThreadSignal();
voice->setState(Voice::STATE_PLAYING);
}
decoder->Unlock();
break;
}
case Voice::STATE_PLAYING:
if(voice->getInternState() == 1)
{
if(voice->isBufferSwitched())
{
SoundDecoder * decoder = handlerInstance->getDecoder(i);
decoder->Lock();
if(decoder->IsBufferReady())
{
voice->setNextBuffer(decoder->GetBuffer(), decoder->GetBufferSize());
decoder->LoadNext();
handlerInstance->ThreadSignal();
}
else if(decoder->IsEOF())
{
voice->setState(Voice::STATE_STOP);
}
decoder->Unlock();
}
}
else
{
voice->setState(Voice::STATE_STOPPED);
}
break;
case Voice::STATE_STOP:
if(voice->getInternState() != 0)
voice->stop();
voice->setState(Voice::STATE_STOPPED);
break;
}
}
}