Mixer::Mixer() :
m_framesPerPeriod( qBound<int>( 32,
configManager::inst()->value( "mixer", "framesperaudiobuffer" ).toInt(),
DEFAULT_BUFFER_SIZE ) ),
m_workingBuf( NULL ),
m_inputBufferRead( 0 ),
m_inputBufferWrite( 1 ),
m_readBuf( NULL ),
m_writeBuf( NULL ),
m_cpuLoad( 0 ),
m_workers(),
m_numWorkers( QThread::idealThreadCount()-1 ),
m_queueReadyWaitCond(),
m_masterGain( 1.0f ),
m_audioOutputContext( NULL ),
m_defaultAudioOutputContext( NULL ),
m_globalMutex( QMutex::Recursive )
{
for( int i = 0; i < 2; ++i )
{
m_inputBufferFrames[i] = 0;
m_inputBufferSize[i] = DEFAULT_BUFFER_SIZE * 100;
m_inputBuffer[i] = CPU::allocFrames(
DEFAULT_BUFFER_SIZE * 100 );
clearAudioBuffer( m_inputBuffer[i], m_inputBufferSize[i] );
}
m_workingBuf = CPU::allocFrames( m_framesPerPeriod );
for( Uint8 i = 0; i < 3; i++ )
{
m_readBuf = CPU::allocFrames( m_framesPerPeriod );
clearAudioBuffer( m_readBuf, m_framesPerPeriod );
m_bufferPool.push_back( m_readBuf );
}
for( int i = 0; i < m_numWorkers+1; ++i )
{
MixerWorkerThread * wt = new MixerWorkerThread( this );
if( i < m_numWorkers )
{
wt->start( QThread::TimeCriticalPriority );
}
m_workers.push_back( wt );
}
m_poolDepth = 2;
m_readBuffer = 0;
m_writeBuffer = 1;
// initialize default AudioOutputContext
m_defaultAudioOutputContext = new AudioOutputContext( this, NULL,
AudioOutputContext::QualitySettings::Preset_Draft );
m_audioOutputContext = m_defaultAudioOutputContext;
}
Mixer::Mixer( bool renderOnly ) :
m_framesPerPeriod( DEFAULT_BUFFER_SIZE ),
m_workingBuf( NULL ),
m_inputBufferRead( 0 ),
m_inputBufferWrite( 1 ),
m_readBuf( NULL ),
m_writeBuf( NULL ),
m_workers(),
m_numWorkers( QThread::idealThreadCount()-1 ),
m_queueReadyWaitCond(),
m_qualitySettings( qualitySettings::Mode_Draft ),
m_masterGain( 1.0f ),
m_audioDev( NULL ),
m_oldAudioDev( NULL ),
m_globalMutex( QMutex::Recursive ),
m_profiler(),
m_metronomeActive(false)
{
for( int i = 0; i < 2; ++i )
{
m_inputBufferFrames[i] = 0;
m_inputBufferSize[i] = DEFAULT_BUFFER_SIZE * 100;
m_inputBuffer[i] = new sampleFrame[ DEFAULT_BUFFER_SIZE * 100 ];
clearAudioBuffer( m_inputBuffer[i], m_inputBufferSize[i] );
}
// determine FIFO size and number of frames per period
int fifoSize = 1;
// if not only rendering (that is, using the GUI), load the buffer
// size from user configuration
if( renderOnly == false )
{
m_framesPerPeriod =
( fpp_t ) ConfigManager::inst()->
value( "mixer", "framesperaudiobuffer" ).toInt();
// if the value read from user configuration is not set or
// lower than the minimum allowed, use the default value and
// save it to the configuration
if( m_framesPerPeriod < MINIMUM_BUFFER_SIZE )
{
ConfigManager::inst()->setValue( "mixer",
"framesperaudiobuffer",
QString::number( DEFAULT_BUFFER_SIZE ) );
m_framesPerPeriod = DEFAULT_BUFFER_SIZE;
}
else if( m_framesPerPeriod > DEFAULT_BUFFER_SIZE )
{
fifoSize = m_framesPerPeriod / DEFAULT_BUFFER_SIZE;
m_framesPerPeriod = DEFAULT_BUFFER_SIZE;
}
}
// allocte the FIFO from the determined size
m_fifo = new fifo( fifoSize );
// now that framesPerPeriod is fixed initialize global BufferManager
BufferManager::init( m_framesPerPeriod );
m_workingBuf = (sampleFrame*) MemoryHelper::alignedMalloc( m_framesPerPeriod *
sizeof( sampleFrame ) );
for( int i = 0; i < 3; i++ )
{
m_readBuf = (surroundSampleFrame*)
MemoryHelper::alignedMalloc( m_framesPerPeriod *
sizeof( surroundSampleFrame ) );
clearAudioBuffer( m_readBuf, m_framesPerPeriod );
m_bufferPool.push_back( m_readBuf );
}
for( int i = 0; i < m_numWorkers+1; ++i )
{
MixerWorkerThread * wt = new MixerWorkerThread( this );
if( i < m_numWorkers )
{
wt->start( QThread::TimeCriticalPriority );
}
m_workers.push_back( wt );
}
m_poolDepth = 2;
m_readBuffer = 0;
m_writeBuffer = 1;
}
Mixer::Mixer() :
m_framesPerPeriod( DEFAULT_BUFFER_SIZE ),
m_workingBuf( NULL ),
m_inputBufferRead( 0 ),
m_inputBufferWrite( 1 ),
m_readBuf( NULL ),
m_writeBuf( NULL ),
m_workers(),
m_numWorkers( QThread::idealThreadCount()-1 ),
m_queueReadyWaitCond(),
m_qualitySettings( qualitySettings::Mode_Draft ),
m_masterGain( 1.0f ),
m_audioDev( NULL ),
m_oldAudioDev( NULL ),
m_globalMutex( QMutex::Recursive ),
m_profiler()
{
for( int i = 0; i < 2; ++i )
{
m_inputBufferFrames[i] = 0;
m_inputBufferSize[i] = DEFAULT_BUFFER_SIZE * 100;
m_inputBuffer[i] = new sampleFrame[ DEFAULT_BUFFER_SIZE * 100 ];
clearAudioBuffer( m_inputBuffer[i], m_inputBufferSize[i] );
}
// just rendering?
if( !Engine::hasGUI() )
{
m_framesPerPeriod = DEFAULT_BUFFER_SIZE;
m_fifo = new fifo( 1 );
}
else if( ConfigManager::inst()->value( "mixer", "framesperaudiobuffer"
).toInt() >= 32 )
{
m_framesPerPeriod =
(fpp_t) ConfigManager::inst()->value( "mixer",
"framesperaudiobuffer" ).toInt();
if( m_framesPerPeriod > DEFAULT_BUFFER_SIZE )
{
m_fifo = new fifo( m_framesPerPeriod
/ DEFAULT_BUFFER_SIZE );
m_framesPerPeriod = DEFAULT_BUFFER_SIZE;
}
else
{
m_fifo = new fifo( 1 );
}
}
else
{
ConfigManager::inst()->setValue( "mixer",
"framesperaudiobuffer",
QString::number( m_framesPerPeriod ) );
m_fifo = new fifo( 1 );
}
// now that framesPerPeriod is fixed initialize global BufferManager
BufferManager::init( m_framesPerPeriod );
m_workingBuf = (sampleFrame*) MemoryHelper::alignedMalloc( m_framesPerPeriod *
sizeof( sampleFrame ) );
for( int i = 0; i < 3; i++ )
{
m_readBuf = (surroundSampleFrame*)
MemoryHelper::alignedMalloc( m_framesPerPeriod *
sizeof( surroundSampleFrame ) );
clearAudioBuffer( m_readBuf, m_framesPerPeriod );
m_bufferPool.push_back( m_readBuf );
}
for( int i = 0; i < m_numWorkers+1; ++i )
{
MixerWorkerThread * wt = new MixerWorkerThread( this );
if( i < m_numWorkers )
{
wt->start( QThread::TimeCriticalPriority );
}
m_workers.push_back( wt );
}
m_poolDepth = 2;
m_readBuffer = 0;
m_writeBuffer = 1;
}
