public static IEnumerable <eBoxType> readChildren(this Mp4Reader reader)
{
int lvl = reader.level;
Debug.Assert(lvl > 0);
Debug.Assert(reader.currentBox.isContainer());
lvl--;
while (true)
{
eBoxType boxType = reader.readBox();
// Console.WriteLine( "{0}: {1}", reader.currentBoxNames, boxType );
if (boxType == eBoxType.ChildContainerEnd)
{
if (reader.level == lvl)
{
yield break;
}
}
else
{
yield return(boxType);
}
}
}
public static void moveToBox(this Mp4Reader reader, eBoxType boxType)
{
while (true)
{
var bt = reader.readBox();
if (bt == boxType)
{
return;
}
if (bt == eBoxType.Empty)
{
throw new EndOfStreamException();
}
}
}