public ISound Decode(XwbSound sound)
{
var result = DecodeSound(sound);
if (result != null)
{
result[NumericData.Rate] = sound.Info.Format.SampleRate;
result[StringData.Name] = sound.Name;
result[NumericData.LoopStart] = sound.Info.LoopRegion.StartSample;
result[NumericData.LoopLength] = sound.Info.LoopRegion.TotalSamples;
}
return(result);
}
private ISound DecodeSound(XwbSound sound)
{
var result = new Sound();
var format = sound.Info.Format;
switch (format.FormatTag)
{
case XwbConstants.WavebankminiformatTagPcm:
{
float[] decoded;
switch (format.BitsPerSample)
{
case 8:
decoded = _pcmDecoder.Decode8Bit(sound.Data);
break;
case 16:
decoded = _pcmDecoder.Decode16Bit(sound.Data);
break;
case 24:
decoded = _pcmDecoder.Decode24Bit(sound.Data);
break;
case 32:
decoded = _pcmDecoder.Decode32Bit(sound.Data);
break;
default:
return(null);
}
foreach (var channel in decoded.Deinterleave(1, format.Channels))
{
result.Samples.Add(new Sample
{
[NumericData.Rate] = format.SampleRate,
Data = channel
});
}
return(result);
}
case XwbConstants.WavebankminiformatTagXma:
{
return(_imaAdpcmDecoder.Decode(new ImaAdpcmChunk
{
Channels = format.Channels,
ChannelSamplesPerFrame = format.AdpcmSamplesPerBlock,
Data = sound.Data,
Rate = format.SampleRate
}).SingleOrDefault());
}
case XwbConstants.WavebankminiformatTagAdpcm:
{
return(_microsoftAdpcmDecoder.Decode(
sound.Data,
format,
new MicrosoftAdpcmFormat
{
Coefficients = new int[0],
SamplesPerBlock = format.AdpcmSamplesPerBlock
}));
}
default:
{
return(null);
}
}
}
