void readContent()
{
// --- read all boxes ---
while (inStream.hasLeft())
{
var box = BoxFactory.parseBox(null, inStream);
if (boxes.Count == 0 && box.getType() != BoxType.FILE_TYPE_BOX)
{
throw new MP4Exception("no MP4 signature found");
}
boxes.Add(box);
var type = box.getType();
if (type == BoxType.FILE_TYPE_BOX)
{
if (ftyp == null)
{
ftyp = (FileTypeBox)box;
}
}
else if (type == BoxType.MOVIE_BOX)
{
if (movie == null)
{
moov = box;
}
}
else if (type == BoxType.PROGRESSIVE_DOWNLOAD_INFORMATION_BOX)
{
if (pdin == null)
{
pdin = (ProgressiveDownloadInformationBox)box;
}
}
}
}
