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); }
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; } } }