protected virtual void LoadHeader()
{
_mmc = MMChunk.FromStream(_baseStream);
_ckFmt = _mmc.FindChunk(FourCC.Fmt) as FmtChunk;
if (_ckFmt != null)
{
_fmt = _ckFmt.WaveFormat;
}
_ckData = _mmc.FindChunk(FourCC.Data) as DataChunk;
if (_ckData != null)
{
_posData = _ckData.DataStart;
}
_baseStream.Seek(_posData, SeekOrigin.Begin);
}
public override void LoadFromStream(Stream st)
{
byte[] data = new byte[4];
m_posStart = st.Position - 4;
st.Read(data, 0, 4);
m_nSize = BitConverter.ToInt32(data, 0);
st.Read(data, 0, 4);
if (Encoding.ASCII.GetString(data, 0, 4) != "WAVE")
{
throw new InvalidOperationException("Must have WAVE format");
}
while (st.Position - m_posStart != m_nSize + 8)
{
MMChunk ck = MMChunk.FromStream(st);
if (ck == null)
{
break;
}
m_chunkList.Add(ck);
}
}