/** TODO how to get formatType from parent chunk ??? */
protected void init(InputStream is, Chunk parent)
throws InvalidSmafDataException, IOException {
//Debug.println("available: " + is.available() + ", " + available());
//skip(is, size); // TODO
FormatType formatType = ((TrackChunk) parent).getFormatType();
switch (formatType) {
case HandyPhoneStandard:
readHandyPhoneStandard(is);
break;
default: