public static RiffHeader Parse(BinaryReader reader)
{
var header = new RiffHeader();
header.ChunkId = reader.ReadChars(4);
header.ChunkSize = reader.ReadUInt32();
header.Format = reader.ReadChars(4);
return(header);
}
public static RiffHeader Parse(BinaryReader reader)
{
var header = new RiffHeader();
header.ChunkId = reader.ReadFourCc();
header.ChunkSize = reader.ReadUInt32();
header.Format = reader.ReadFourCc();
if (header.ChunkId != "RIFF" ||
header.Format != "WAVE")
{
throw new InvalidDataException("Invalid or missing .wav file header!");
}
return(header);
}
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 void Parse(BinaryReader reader)
{
_header = RiffHeader.Parse(reader);
if (new string(_header.ChunkId) != "RIFF" ||
new string(_header.Format) != "WAVE")
{
throw new InvalidDataException("Invalid .wav file!");
}
_format = WaveFormat.Parse(reader);
if (new string(_format.SubChunkID) != "fmt ")
{
throw new InvalidDataException("Invalid .wav file!");
}
if (_format.AudioFormat != 1)
{
throw new NotSupportedException("Invalid .wav compression!");
}
//probably a compressed format
if (_format.SubChunkSize > 16)
{
reader.BaseStream.Seek(_format.SubChunkSize - 16, SeekOrigin.Current);
}
_data = WaveData.Parse(reader);
if (new string(_data.SubChunkID) != "data")
{
throw new InvalidDataException("Invalid .wav file!");
}
_buffer = reader.ReadBytes((int)_data.SubChunkSize);
}
