public void Parse(BinaryReader reader)
{
_header = RiffHeader.Parse(reader);
_format = WaveFormat.Parse(reader);
// Every format except the original PCM format must have a fact chunk
if ((AudioFormatType)_format.AudioFormat != AudioFormatType.Pcm)
{
_fact = WaveFact.Parse(reader);
}
_data = WaveData.Parse(reader);
_buffer = WavParser
.GetParser((AudioFormatType)_format.AudioFormat)
.Parse(reader, (int)_data.SubChunkSize, _format);
}
public static WaveFact Parse(BinaryReader reader)
{
var fact = new WaveFact();
fact.SubChunkID = reader.ReadFourCc();
if (fact.SubChunkID != "fact")
{
throw new InvalidDataException("Invalid or missing .wav file fact chunk!");
}
fact.SubChunkSize = reader.ReadUInt32();
if (fact.SubChunkSize != 4)
{
throw new NotSupportedException("Invalid or unknown .wav compression format!");
}
fact.NumSamples = reader.ReadUInt32();
return(fact);
}