public SynthesizerPcm(MusicPcm aMusicPcm)
{
music = aMusicPcm;
timePosition = new SoundTime(44100, 0);
timeElapsed = new SoundTime(44100, 0);
loopNumber1 = 0;
loopNumber2 = 0;
}
// Return: Ture if end.
public bool Update(float[] aSoundBuffer, int aChannels, int aSampleRate)
{
SoundTime PositionPre = Position;
Position += GetOneSample(aSampleRate);
Elapsed += GetOneSample(aSampleRate);
if (isLoop == true)
{
if (loop.length.sample > 0)
{
if (PositionPre.sample < loop.end.sample + 1 && Position.sample >= loop.end.sample + 1)
{
Position = new SoundTime(PositionPre.sampleRate, Position.sample - (loop.end.sample + 1 - loop.start.sample));
}
else if (Position.sample >= waveform.format.samples)
{
Position = new SoundTime(Position.sampleRate, Position.sample - waveform.format.samples);
}
}
else
{
if (Position.sample >= waveform.format.samples)
{
Position = new SoundTime(Position.sampleRate, PositionPre.sample - waveform.format.samples);
}
}
}
if (Position.sample + 1 < waveform.format.samples)
{
for (int i = 0; i < aChannels; i++)
{
aSoundBuffer[i] = MeanInterpolation.Calculate(waveform, i, Position.sample);
}
}
else if (Position.sample < waveform.format.samples)
{
for (int i = 0; i < aChannels; i++)
{
if (loop.length.sample > 0)
{
aSoundBuffer[i] = MeanInterpolation.Calculate(waveform, i, Position.sample, loop.start.sample);
}
else
{
aSoundBuffer[i] = waveform.reader.GetSample(i, ( int )Position.sample);
}
}
}
else // End position.
{
return(true);
}
return(false);
}
public MusicPcm(FormAiffForm aFormFile)
{
Name = aFormFile.name;
Waveform = new WaveformReaderPcm(aFormFile, false);
Length = new SoundTime(Waveform.format.sampleRate, Waveform.format.samples);
loopList = new List <List <LoopInformation> >();
loopList.Add(new List <LoopInformation>());
loopList[0].Add(new LoopInformation(Length.sampleRate, -1, -1));
}
public SynthesizerPcm(WaveformReaderPcm aWaveform, LoopInformation aLoop)
{
waveform = aWaveform;
oneSampelList = new Dictionary <int, SoundTime>();
Position = new SoundTime(waveform.format.sampleRate, 0);
Elapsed = new SoundTime(waveform.format.sampleRate, 0);
loop = aLoop;
isLoop = false;
}
public MusicPcm(RiffWaveRiff aRiffFile)
{
Name = aRiffFile.name;
Waveform = new WaveformReaderPcm(aRiffFile, false);
Length = new SoundTime(Waveform.format.sampleRate, Waveform.format.samples);
RiffWaveSmpl lRiffWaveSmpl = ( RiffWaveSmpl )aRiffFile.GetChunk(RiffWaveSmpl.ID);
if (lRiffWaveSmpl != null)
{
loopList = new List <List <LoopInformation> >();
int lIndex = -1;
int lLoopLength = -1;
for (int i = 0; i < lRiffWaveSmpl.sampleLoops; i++)
{
SampleLoop lLoop = lRiffWaveSmpl.sampleLoopList[i];
if (( int )(lLoop.end - lLoop.start) == lLoopLength)
{
}
else
{
loopList.Add(new List <LoopInformation>());
lLoopLength = ( int )(lLoop.end - lLoop.start);
lIndex++;
}
loopList[lIndex].Add(new LoopInformation(Length.sampleRate, ( int )lLoop.start, ( int )lLoop.end));
}
}
else
{
loopList = new List <List <LoopInformation> >();
loopList.Add(new List <LoopInformation>());
loopList[0].Add(new LoopInformation(Length.sampleRate, -1, -1));
}
Loop = GetLoop(0, 0);
}
