HRESULT CBSoundAVI::InitializeBuffer(PAVISTREAM Stream)
{
if(!Stream) return E_FAIL;
SetStreaming(true);
m_Type = SOUND_SFX;
m_Looping = false;
m_AudioStream = Stream;
LONG FormatSize;
if(AVIStreamReadFormat(m_AudioStream, 0, NULL, &FormatSize)!=0) return E_FAIL;
LPWAVEFORMAT Format = (LPWAVEFORMAT)new BYTE[FormatSize];
if(AVIStreamReadFormat(m_AudioStream, 0, Format, &FormatSize)!=0){
delete [] (BYTE*)Format;
return E_FAIL;
}
m_TotalDataLength = AVIStreamLength(m_AudioStream) * Format->nBlockAlign;
HRESULT ret;
memcpy(&m_Format, Format, sizeof(PCMWAVEFORMAT));
m_Format.wf.wFormatTag = WAVE_FORMAT_PCM;
// create buffer
ret = CreateSoundBuffer(m_TotalDataLength, (PCMWAVEFORMAT*)Format);
delete [] (BYTE*)Format;
return ret;
}
WTErr WCMRAudioDevice::ResetDevice ()
{
// Keep device sates
bool wasStreaming = Streaming();
bool wasActive = Active();
WTErr err = SetStreaming(false);
if (err == eNoErr)
err = SetActive(false);
if (err == eNoErr && wasActive)
err = SetActive(true);
if (err == eNoErr && wasStreaming)
SetStreaming(true);
return err;
}
void StreamService::operator()()
{
Thread loadThread("Loader");
loadThread.startThread(std::ref(loader));
currentBuffer = &streamBufferA;
UInt32 bufferOffset = 0;
loader.ReadyForData();
InitialDataMove(bufferOffset);
StartProcessing();
while (IsStreaming())
{
coordCV.wait(lock);
StreamBuffer* currBuff = GetActiveBuffer();
musicRef->PushData(currBuff, ByteSubmissionAmount, bufferOffset);
bufferOffset += ByteSubmissionAmount;
if (bufferOffset >= currBuff->numBytesInBuffer)
{
if (LastBuffer)
{
musicRef->StopProcessing();
SetStreaming(FALSE);
}
currBuff->hasData = FALSE;
SwapActiveBuffer();
bufferOffset = 0;
loader.ReadyForData();
}
}
loadThread.join();
streamer->StreamEnded(this);
}
void StreamService::StreamFinished()
{
SetStreaming(FALSE);
}
