public override Waveformat Decode(Stream stream)
{
WaveFile wav = WaveFile.Import(stream);
Waveformat sound = new Waveformat();
sound.AudioFormat = this.GetFormat(wav.FmtHeader.AudioFormat);
sound.SampleRate = wav.FmtHeader.SampleRate;
sound.BitsPerSample = wav.FmtHeader.BitsPerSample;
int bytesPerSample = wav.FmtHeader.BitsPerSample / 8;
Channel[] channels = new Channel[wav.FmtHeader.NumChannels];
for (int index = 0; index < channels.Length; index++)
{
channels[index] = new Channel(index);
}
int chnlIndex = 0;
int chnlCount = 0;
for (int index = 0; index < wav.DataChunk.Size; index += bytesPerSample)
{
Sample sample = new Sample((SampleSize)bytesPerSample);
for (int dataIndex = 0; dataIndex < sample.Data.Length; dataIndex++)
{
sample.Data[dataIndex] = wav.DataChunk.Data[index + dataIndex];
}
channels[chnlIndex].Samples.Add(sample);
chnlCount++;
if (chnlCount >= wav.FmtHeader.BlockAlign)
{
chnlCount = 0;
chnlIndex = (chnlIndex + 1) % channels.Length;
}
}
sound.Channels = channels;
return(sound);
}
