public FactChunk(MappedFile f, int sampleLength) :
base(f, "fact")
{
dwSampleLength = AddPtr <Int32Ptr>(f);
SampleLength = sampleLength;
}
public FmtChunk(MappedFile f, WaveFormat _audioFormat)
: base(f, "fmt ")
{
// Structure
wFormatTag = AddPtr <Int16Ptr>(f);
nChannels = AddPtr <Int16Ptr>(f);
nSamplesPerSec = AddPtr <Int32Ptr>(f);
nAvgBytesPerSec = AddPtr <Int32Ptr>(f);
nBlockAlign = AddPtr <Int16Ptr>(f);
wBitsPerSample = AddPtr <Int16Ptr>(f);
if (_audioFormat != WaveFormat.PCM)
{
cbSize = AddPtr <Int16Ptr>(f);
if (_audioFormat == WaveFormat.EXTENSIBLE)
{
wValidBitsPerSample = AddPtr <Int16Ptr>(f);
dwChannelMask = AddPtr <Int32Ptr>(f);
gidSubFormat = AddPtr <ByteArrayPtr>(new ByteArrayPtr(f, 16));
cbSize = new Int16Ptr(f);
}
}
// Initialization
FormatTag = _audioFormat;
}
public ChunkHeader(MappedFile f, string _id)
{
id = new FourCCPtr(f);
id.Write(_id);
blen = new Int32Ptr(f);
blen.Write(0);
body = new List <MappedPtr>();
chunks = new List <ChunkHeader>();
}