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LossyWAV support in CUETools.

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Option to decode HDCD to 16-bit lossyWAV.
20-bit (in addition to 24-bit) HDCD decoding support
This commit is contained in:
chudov
2008-11-22 15:10:33 +00:00
parent bb73da55d0
commit b5008007cf
16 changed files with 941 additions and 1219 deletions
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28
WavPackDotNet/WavPackDotNet.cpp
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@@ -314,8 +314,8 @@ namespace WavPackDotNet {
if (channelCount != 1 && channelCount != 2)
throw gcnew Exception("Only stereo and mono audio formats are allowed.");
if (bitsPerSample != 16 && bitsPerSample != 24)
throw gcnew Exception("Bits per sample must be 16 or 24.");
if (bitsPerSample < 16 || bitsPerSample > 24)
throw gcnew Exception("Bits per sample must be 16..24.");
_path = path;
_tags = gcnew NameValueCollection();
@@ -394,6 +394,11 @@ namespace WavPackDotNet {
}
}
virtual property int BitsPerSample
{
int get() { return _bitsPerSample; }
}
virtual void Write(array<Int32, 2>^ sampleBuffer, UInt32 sampleCount)
{
if (!_initialized)
@@ -407,9 +412,21 @@ namespace WavPackDotNet {
UpdateHash(_sampleBuffer, (int) sampleCount * _blockAlign);
}
pin_ptr<Int32> pSampleBuffer = &sampleBuffer[0, 0];
if (!WavpackPackSamples(_wpc, (int32_t*)pSampleBuffer, sampleCount)) {
throw gcnew Exception("An error occurred while encoding.");
if ((_bitsPerSample & 7) != 0)
{
if (_shiftedSampleBuffer == nullptr || _shiftedSampleBuffer.GetLength(0) < sampleCount)
_shiftedSampleBuffer = gcnew array<int,2>(sampleCount, _channelCount);
for (int i = 0; i < sampleCount; i++)
for (int c = 0; c < _channelCount; c++)
_shiftedSampleBuffer[i,c] = sampleBuffer[i,c] << 8 - (_bitsPerSample & 7);
pin_ptr<Int32> pSampleBuffer = &_shiftedSampleBuffer[0, 0];
if (!WavpackPackSamples(_wpc, (int32_t*)pSampleBuffer, sampleCount))
throw gcnew Exception("An error occurred while encoding.");
} else
{
pin_ptr<Int32> pSampleBuffer = &sampleBuffer[0, 0];
if (!WavpackPackSamples(_wpc, (int32_t*)pSampleBuffer, sampleCount))
throw gcnew Exception("An error occurred while encoding.");
}
_samplesWritten += sampleCount;
@@ -482,6 +499,7 @@ namespace WavPackDotNet {
bool _md5Sum;
MD5^ _md5hasher;
array<unsigned char>^ _sampleBuffer;
array<int,2>^ _shiftedSampleBuffer;
void Initialize() {
WavpackConfig config;