private byte[] selectLSE(byte[] jpegheader) throws NoFixException {
if (ByteUtils.bytesBE2ushort(jpegheader, 0) != SOI)
throw new NoFixException("SOI marker is missing");
if (ByteUtils.bytesBE2ushort(jpegheader, 2) != SOF55)
throw new NoFixException("SOI marker is not followed by JPEG-LS SOF marker");
if (ByteUtils.bytesBE2ushort(jpegheader, 4) != 11)
throw new NoFixException("unexpected length of JPEG-LS SOF marker segment");
int marker = ByteUtils.bytesBE2ushort(jpegheader, 15);
if (marker != SOS) {
throw new NoFixException(
marker == LSE
? "contains already LSE marker segment"
: "JPEG-LS SOF marker segment is not followed by SOS marker");
}
switch (bitsStored = jpegheader[6]) {
case 13:
return LSE_13;
case 14:
return LSE_14;
case 15:
return LSE_15;
case 16:
return LSE_16;
}
throw new NoFixException("JPEG-LS " + bitsStored + "-bit");
}
