// Returns TRUE if there is data to be output, or false if no data
// is available to be copied.
bool SndBuffer::CheckUnderrunStatus( int& nSamples, int& quietSampleCount )
{
quietSampleCount = 0;
int data = _GetApproximateDataInBuffer();
if( m_underrun_freeze )
{
int toFill = m_size / ( (SynchMode == 2) ? 32 : 400); // TimeStretch and Async off?
toFill = GetAlignedBufferSize( toFill );
// toFill is now aligned to a SndOutPacket
if( data < toFill )
{
quietSampleCount = nSamples;
return false;
}
m_underrun_freeze = false;
if( MsgOverruns() )
ConLog(" * SPU2 > Underrun compensation (%d packets buffered)\n", toFill / SndOutPacketSize );
lastPct = 0.0; // normalize timestretcher
}
else if( data < nSamples )
{
nSamples = data;
quietSampleCount = SndOutPacketSize - data;
m_underrun_freeze = true;
if( SynchMode == 0 ) // TimeStrech on
timeStretchUnderrun();
return nSamples != 0;
}
return true;
}
// Returns TRUE if there is data to be output, or false if no data
// is available to be copied.
bool SndBuffer::CheckUnderrunStatus( int& nSamples, int& quietSampleCount )
{
quietSampleCount = 0;
if( m_underrun_freeze )
{
int toFill = (int)(m_size * ( timeStretchDisabled ? 0.50f : 0.1f ) );
toFill = GetAlignedBufferSize( toFill );
// toFill is now aligned to a SndOutPacket
if( m_data < toFill )
{
quietSampleCount = nSamples;
return false;
}
m_underrun_freeze = false;
//TODO
//if( MsgOverruns() )
printf(" * SPU2 > Underrun compensation (%d packets buffered)\n", toFill / SndOutPacketSize );
lastPct = 0.0; // normalize timestretcher
}
else if( m_data < nSamples )
{
nSamples = m_data;
quietSampleCount = SndOutPacketSize - m_data;
m_underrun_freeze = true;
if( !timeStretchDisabled )
timeStretchUnderrun();
return nSamples != 0;
}
return true;
}
