private void ReduceBitsPerSample24Ns2(ConvertParams args, DataSubChunk toDsc)
{
var ns = new NoiseShaper2[mFsc.numChannels];
for (int ch = 0; ch < mFsc.numChannels; ++ch)
{
ns[ch] = new NoiseShaper2(args.order, args.filter, args.newQuantizationBitrate);
}
int bytesPerFrame = mFsc.numChannels * mFsc.bitsPerSample / 8;
int numFrames = toDsc.data.Length / bytesPerFrame;
int readPos = 0;
int writePos = 0;
for (int i = 0; i < numFrames; ++i)
{
for (int ch = 0; ch < mFsc.numChannels; ++ch)
{
int sample = 0;
sample = ns[ch].Filter24(ReadSampleValue24(toDsc, readPos));
readPos += mFsc.bitsPerSample / 8;
WriteSampleValue24(toDsc, writePos, sample);
writePos += mFsc.bitsPerSample / 8;
}
}
}
private void ReduceBitsPerSample24Ns2(ConvertParams args, DataSubChunk toDsc)
{
var ns = new NoiseShaper2[mFsc.numChannels];
for (int ch=0; ch < mFsc.numChannels; ++ch) {
ns[ch] = new NoiseShaper2(args.order, args.filter, args.newQuantizationBitrate);
}
int bytesPerFrame = mFsc.numChannels * mFsc.bitsPerSample / 8;
int numFrames = toDsc.data.Length / bytesPerFrame;
int readPos = 0;
int writePos = 0;
for (int i=0; i < numFrames; ++i) {
for (int ch=0; ch < mFsc.numChannels; ++ch) {
int sample = 0;
sample = ns[ch].Filter24(ReadSampleValue24(toDsc, readPos));
readPos += mFsc.bitsPerSample / 8;
WriteSampleValue24(toDsc, writePos, sample);
writePos += mFsc.bitsPerSample / 8;
}
}
}
