private void TransformWaveDataBlocks(Stream source, byte[] destination, uint startBlockIndex, uint blockCount, IWaveWriter waveWriter)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (waveWriter == null)
{
throw new ArgumentNullException(nameof(waveWriter));
}
var hcaInfo = HcaInfo;
var startOffset = hcaInfo.DataOffset + startBlockIndex * hcaInfo.BlockSize;
source.Seek(startOffset, SeekOrigin.Begin);
var channels = _channels;
var decodeParams = _decodeParams;
var hcaBlockBuffer = GetHcaBlockBuffer();
var channelCount = (int)hcaInfo.ChannelCount;
var rvaVolume = hcaInfo.RvaVolume;
var bytesPerSample = waveWriter.BytesPerSample;
foreach (var l in Enumerable.Range(0, (int)blockCount))
{
source.Read(hcaBlockBuffer, 0, hcaBlockBuffer.Length);
DecodeToWaveR32(hcaBlockBuffer);
Parallel.For(0, 8, i => {
for (var j = 0; j < 0x80; ++j)
{
for (var k = 0; k < channelCount; ++k)
{
var f = channels[k].Wave[i * 0x80 + j] * decodeParams.Volume * rvaVolume;
HcaHelper.Clamp(ref f, -1f, 1f);
var offset = (((l * 8 + i) * 0x80 + j) * channelCount + k) * bytesPerSample;
waveWriter.DecodeToBuffer(f, destination, (uint)offset);
}
}
});
}
}
private void TransformWaveDataBlocks(Stream source, byte[] destination, uint startBlockIndex, uint blockCount, IWaveWriter waveWriter)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (waveWriter == null)
{
throw new ArgumentNullException(nameof(waveWriter));
}
var hcaInfo = HcaInfo;
var startOffset = hcaInfo.DataOffset + startBlockIndex * hcaInfo.BlockSize;
source.Seek(startOffset, SeekOrigin.Begin);
var channels = _channels;
var decodeParams = _decodeParams;
var hcaBlockBuffer = GetHcaBlockBuffer();
var channelCount = hcaInfo.ChannelCount;
var rvaVolume = hcaInfo.RvaVolume;
var bytesPerSample = waveWriter.BytesPerSample;
var volume = decodeParams.Volume;
for (var l = 0; l < (int)blockCount; ++l)
{
source.Read(hcaBlockBuffer, 0, hcaBlockBuffer.Length);
DecodeToWaveR32(hcaBlockBuffer, l + (int)startBlockIndex);
for (var i = 0; i < 8; ++i)
{
for (var j = 0; j < 0x80; ++j)
{
for (var k = 0; k < channelCount; ++k)
{
float f;
unsafe {
var pWave = channels.GetPtrOfWave(k);
f = pWave[i * 0x80 + j];
f = f * volume * rvaVolume;
}
HcaHelper.Clamp(ref f, -1f, 1f);
var offset = (((l * 8 + i) * 0x80 + j) * channelCount + k) * bytesPerSample;
waveWriter.DecodeToBuffer(f, destination, (uint)offset);
}
}
}
}
}
