private void MixU8_Stereo_NoLoop(float[] buffer, int numSamples, float leftVol, float rightVol)
{
float interStep = _freq * SoundMixer.SampleRateReciprocal;
int bufPos = 0;
do
{
if (CheckPause && IsPaused)
{
return;
}
Data.Stream.Position = _offset;
int sampL = Data.Reader.ReadByte();
int sampR = Data.Reader.ReadByte();
_interPos += interStep;
int posDelta = (int)_interPos;
_interPos -= posDelta;
posDelta *= 2;
_offset += posDelta;
buffer[bufPos] += SoundMixer.U8ToF32(sampL, leftVol);
buffer[bufPos + 1] += SoundMixer.U8ToF32(sampR, rightVol);
if (_offset >= Data.DataEnd)
{
SoundMixer.StopChannel(this);
return;
}
bufPos += 2;
} while (--numSamples > 0);
}
private void MixU8_Mono_Loop(float[] buffer, int numSamples, float leftVol, float rightVol)
{
float interStep = _freq * SoundMixer.SampleRateReciprocal;
int bufPos = 0;
do
{
if (CheckPause && IsPaused)
{
return;
}
Data.Stream.Position = _offset;
int samp = Data.Reader.ReadByte();
_interPos += interStep;
int posDelta = (int)_interPos;
_interPos -= posDelta;
_offset += posDelta;
// Add trail
if (_trailOffset < Data.DataEnd)
{
Data.Stream.Position = _trailOffset;
samp += Data.Reader.ReadByte();
_trailOffset += posDelta;
}
buffer[bufPos] += SoundMixer.U8ToF32(samp, leftVol);
buffer[bufPos + 1] += SoundMixer.U8ToF32(samp, rightVol);
if (_offset >= Data.LoopEnd)
{
_offset = Data.LoopStart;
_trailOffset = Data.LoopEnd;
}
bufPos += 2;
} while (--numSamples > 0);
}
