public override void ReadData()
{
_creationTime = Br.ReadUInt32();
_modificationTime = Br.ReadUInt32();
TimeScale = Br.ReadUInt32();
Duration = Br.ReadUInt32();
_preferredRate = Br.ReadUInt32();
_preferredVolume = Br.ReadUInt32();
_reserved = Br.ReadBytes(10);
Matrix.FromByteBuffer(Br.BaseStream);
//_matrixStructure = Br.ReadBytes(36);
_previewTime = Br.ReadUInt32();
_previewDuration = Br.ReadUInt32();
_posterTime= Br.ReadUInt32();
_selectionTime= Br.ReadUInt32();
_selectionDuration= Br.ReadUInt32();
_currentTime= Br.ReadUInt32();
NextTrackId= Br.ReadUInt32();
}
}