RageSound_Generic_Software::RageSound_Generic_Software():
m_Mutex("RageSound_Generic_Software"),
m_SoundListMutex("SoundListMutex")
{
shutdown_decode_thread = false;
SetDecodeBufferSize( 4096 );
m_DecodeThread.SetName("Decode thread");
}
RageSoundDriver::RageSoundDriver():
m_Mutex("RageSoundDriver"),
m_SoundListMutex("SoundListMutex")
{
m_bShutdownDecodeThread = false;
m_iMaxHardwareFrame = 0;
SetDecodeBufferSize( 4096 );
m_DecodeThread.SetName("Decode thread");
}
RString RageSoundDriver_WaveOut::Init()
{
m_iSampleRate = PREFSMAN->m_iSoundPreferredSampleRate;
if( m_iSampleRate == 0 )
m_iSampleRate = 44100;
WAVEFORMATEX fmt;
fmt.wFormatTag = WAVE_FORMAT_PCM;
fmt.nChannels = channels;
fmt.cbSize = 0;
fmt.nSamplesPerSec = m_iSampleRate;
fmt.wBitsPerSample = 16;
fmt.nBlockAlign = fmt.nChannels * fmt.wBitsPerSample / 8;
fmt.nAvgBytesPerSec = fmt.nSamplesPerSec * fmt.nBlockAlign;
MMRESULT ret = waveOutOpen( &m_hWaveOut, WAVE_MAPPER, &fmt, (DWORD_PTR) m_hSoundEvent, NULL, CALLBACK_EVENT );
if( ret != MMSYSERR_NOERROR )
return wo_ssprintf( ret, "waveOutOpen failed" );
ZERO( m_aBuffers );
for(int b = 0; b < num_chunks; ++b)
{
m_aBuffers[b].dwBufferLength = chunksize;
m_aBuffers[b].lpData = new char[chunksize];
ret = waveOutPrepareHeader( m_hWaveOut, &m_aBuffers[b], sizeof(m_aBuffers[b]) );
if( ret != MMSYSERR_NOERROR )
return wo_ssprintf( ret, "waveOutPrepareHeader failed" );
m_aBuffers[b].dwFlags |= WHDR_DONE;
}
LOG->Info( "WaveOut software mixing at %i hz", m_iSampleRate );
/* We have a very large writeahead; make sure we have a large enough decode
* buffer to recover cleanly from underruns. */
SetDecodeBufferSize( buffersize_frames * 3/2 );
StartDecodeThread();
MixingThread.SetName( "Mixer thread" );
MixingThread.Create( MixerThread_start, this );
return RString();
}
