public void AdpcmSampleCountIsCorrectAfterLooping(int sampleCount, bool looping, int loopStart, int loopEnd)
{
IAudioFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithLoop(looping, loopStart, loopEnd);
Assert.Equal(sampleCount, adpcm.SampleCount);
}
public void AdpcmDataLengthIsCorrectAfterLooping(int sampleCount, bool looping, int loopStart, int loopEnd)
{
GcAdpcmFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithLoop(looping, loopStart, loopEnd);
Assert.Equal(SampleCountToByteCount(sampleCount), adpcm.Channels[0].GetAdpcmAudio().Length);
}
public void Setup()
{
_adpcm = GenerateAudio.GenerateAdpcmEmpty((int)(_sampleRate * LengthSeconds), ChannelCount, _sampleRate);
_brstm = new BrstmWriter().GetFile(_adpcm);
_dsp = new DspWriter().GetFile(_adpcm);
_idsp = new IdspWriter().GetFile(_adpcm);
}
public void AdpcmDataLengthIsCorrectAfterAlignment(int sampleCount, bool looping, int loopStart, int loopEnd, int alignment)
{
GcAdpcmFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithAlignment(alignment)
.WithLoop(looping, loopStart, loopEnd);
int extraSamples = Helpers.GetNextMultiple(loopStart, alignment) - loopStart;
Assert.Equal(SampleCountToByteCount(loopEnd + extraSamples), adpcm.Channels[0].GetAdpcmAudio().Length);
}
public void AdpcmLoopIsCorrectAfterUnalignment(int sampleCount, bool looping, int loopStart, int loopEnd, int alignment)
{
IAudioFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithAlignment(alignment)
.WithLoop(looping, loopStart, loopEnd)
.WithAlignment(0);
Assert.Equal(loopStart, adpcm.LoopStart);
Assert.Equal(loopEnd, adpcm.LoopEnd);
}
public void LoopsProperlyAfterDecoding(int sampleCount, bool looping, int loopStart, int loopEnd)
{
GcAdpcmFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithLoop(looping, loopStart, loopEnd);
IAudioFormat pcm = adpcm.ToPcm16();
Assert.Equal(looping, pcm.Looping);
Assert.Equal(loopStart, pcm.LoopStart);
Assert.Equal(loopEnd, pcm.LoopEnd);
}
public void AdpcmLoopIsCorrectAfterAlignment(int sampleCount, bool looping, int loopStart, int loopEnd, int alignment)
{
IAudioFormat adpcm = GenerateAudio.GenerateAdpcmEmpty(sampleCount, 1, 48000)
.WithAlignment(alignment)
.WithLoop(looping, loopStart, loopEnd);
int extraSamples = Helpers.GetNextMultiple(loopStart, alignment) - loopStart;
Assert.Equal(loopStart + extraSamples, adpcm.LoopStart);
Assert.Equal(loopEnd + extraSamples, adpcm.LoopEnd);
}
public void CreateAlignmentReplacePreviousWhenLoopChanges(int multiple, int loopStart, int loopEnd)
{
var sampleCount = 100;
var(adpcm, coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var previous = new GcAdpcmAlignment(multiple, loopStart, loopEnd, adpcm, coefs);
var builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithLoop(true, loopStart + 1, loopEnd + 1)
.WithPrevious(null, null, previous);
builder.LoopAlignmentMultiple = multiple;
var alignment = builder.GetAlignment();
Assert.NotEqual(previous, alignment);
}
public void CreateAlignmentWithNoPrevious(int multiple, int loopStart, int loopEnd)
{
var sampleCount = 100;
var(adpcm, coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithLoop(true, loopStart, loopEnd);
builder.LoopAlignmentMultiple = multiple;
var alignment = builder.GetAlignment();
Assert.Equal(multiple, alignment.AlignmentMultiple);
Assert.Equal(loopStart, alignment.LoopStart);
Assert.Equal(loopEnd, alignment.LoopEnd);
}
public void CreateAlignmentWithPrevious(int multiple, int loopStart, int loopEnd)
{
int sampleCount = 100;
(byte[] adpcm, short[] coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var previous = new GcAdpcmAlignment(multiple, loopStart, loopEnd, adpcm, coefs);
GcAdpcmChannelBuilder builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithLoop(true, loopStart, loopEnd)
.WithPrevious(null, null, previous);
builder.LoopAlignmentMultiple = multiple;
GcAdpcmAlignment alignment = builder.GetAlignment();
Assert.Equal(previous, alignment);
}
public void GetLoopContextWithPrevious(bool isSelfCalculated, bool ensureSelfCalculated)
{
short num = 20;
var sampleCount = 100;
var(adpcm, coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var previous = new GcAdpcmLoopContext(num, num, num, num, isSelfCalculated);
var builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithLoop(true, num, sampleCount)
.WithPrevious(null, previous, null)
.PrepareForBuild();
builder.EnsureLoopContextIsSelfCalculated = ensureSelfCalculated;
var context = builder.GetLoopContext();
Assert.Equal(previous, context);
}
public void CreateLoopContextWithNoPrevious(short predScale, short hist1, short hist2, int loopStart, bool isSelfCalculated)
{
var sampleCount = 100;
var(adpcm, coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithLoop(true, loopStart, sampleCount)
.WithLoopContext(loopStart, predScale, hist1, hist2, isSelfCalculated);
builder.AlignedLoopStart = loopStart;
var context = builder.GetLoopContext();
Assert.Equal(predScale, context.PredScale);
Assert.Equal(hist1, context.Hist1);
Assert.Equal(hist2, context.Hist2);
Assert.Equal(loopStart, context.LoopStart);
Assert.Equal(isSelfCalculated, context.IsSelfCalculated);
}
public void GetLoopContextReplacePrevious(short expected, int loopStart, bool isSelfCalculated, bool ensureSelfCalculated)
{
short num = 20;
short numLarge = 25;
var sampleCount = 100;
var(adpcm, coefs) = GenerateAudio.GenerateAdpcmEmpty(sampleCount);
var previous = new GcAdpcmLoopContext(num, num, num, num, isSelfCalculated);
var builder = new GcAdpcmChannelBuilder(adpcm, coefs, sampleCount)
.WithPrevious(null, previous, null)
.WithLoop(true, loopStart, sampleCount)
.WithLoopContext(numLarge, numLarge, numLarge, numLarge, isSelfCalculated)
.PrepareForBuild();
builder.EnsureLoopContextIsSelfCalculated = ensureSelfCalculated;
var context = builder.GetLoopContext();
Assert.Equal(expected, context.PredScale);
Assert.Equal(expected, context.Hist1);
Assert.Equal(expected, context.Hist2);
Assert.Equal(loopStart, context.LoopStart);
}
public void Setup()
{
_adpcmStream = GenerateAudio.GenerateAdpcmEmpty((int)(_sampleRate * LengthSeconds), 1, _sampleRate);
}
