public override void Read()
{
// With Microsoft's ISM, we don't need to read the MP4 headers to figure out how many tracks there are;
// we already know at this point because both the .ism and .ismc files have been scanned.
foreach (GenericMediaTrack track in MediaTracks)
{
ISMVTrackFormat trackFormat = track.TrackFormat as ISMVTrackFormat;
trackFormat.Read();
}
}
