protected static boolean isFlacSpecial(OggPacket packet) {
        byte[] d = packet.getData();
        byte type = d[0];

        // Ensure 0x7f then "FLAC"
        if(type == 0x7f) {
            if(d[1] == (byte)'F' &&
                    d[2] == (byte)'L' &&
                    d[3] == (byte)'A' &&
                    d[4] == (byte)'C') {

                return true;
            }
        }
        return false;
    }