/* -*- c++ -*- */
/* 
 * Copyright 2016 Free Software Foundation, Inc.
 * 
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 * 
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_DTV_CATV_TRANSPORT_FRAMING_ENC_BB_IMPL_H
#define INCLUDED_DTV_CATV_TRANSPORT_FRAMING_ENC_BB_IMPL_H

#include <gnuradio/dtv/catv_transport_framing_enc_bb.h>

namespace gr {
  namespace dtv {
    static const unsigned char crctable[] = {
        0x00,0x1b,0x36,0x2d,0x6c,0x77,0x5a,0x41,0xd8,0xc3,0xee,0xf5,0xb4,0xaf,0x82,0x99,
        0xd3,0xc8,0xe5,0xfe,0xbf,0xa4,0x89,0x92,0x0b,0x10,0x3d,0x26,0x67,0x7c,0x51,0x4a,
        0xc5,0xde,0xf3,0xe8,0xa9,0xb2,0x9f,0x84,0x1d,0x06,0x2b,0x30,0x71,0x6a,0x47,0x5c,
        0x16,0x0d,0x20,0x3b,0x7a,0x61,0x4c,0x57,0xce,0xd5,0xf8,0xe3,0xa2,0xb9,0x94,0x8f,
        0xe9,0xf2,0xdf,0xc4,0x85,0x9e,0xb3,0xa8,0x31,0x2a,0x07,0x1c,0x5d,0x46,0x6b,0x70,
        0x3a,0x21,0x0c,0x17,0x56,0x4d,0x60,0x7b,0xe2,0xf9,0xd4,0xcf,0x8e,0x95,0xb8,0xa3,
        0x2c,0x37,0x1a,0x01,0x40,0x5b,0x76,0x6d,0xf4,0xef,0xc2,0xd9,0x98,0x83,0xae,0xb5,
        0xff,0xe4,0xc9,0xd2,0x93,0x88,0xa5,0xbe,0x27,0x3c,0x11,0x0a,0x4b,0x50,0x7d,0x66,
        0xb1,0xaa,0x87,0x9c,0xdd,0xc6,0xeb,0xf0,0x69,0x72,0x5f,0x44,0x05,0x1e,0x33,0x28,
        0x62,0x79,0x54,0x4f,0x0e,0x15,0x38,0x23,0xba,0xa1,0x8c,0x97,0xd6,0xcd,0xe0,0xfb,
        0x74,0x6f,0x42,0x59,0x18,0x03,0x2e,0x35,0xac,0xb7,0x9a,0x81,0xc0,0xdb,0xf6,0xed,
        0xa7,0xbc,0x91,0x8a,0xcb,0xd0,0xfd,0xe6,0x7f,0x64,0x49,0x52,0x13,0x08,0x25,0x3e,
        0x58,0x43,0x6e,0x75,0x34,0x2f,0x02,0x19,0x80,0x9b,0xb6,0xad,0xec,0xf7,0xda,0xc1,
        0x8b,0x90,0xbd,0xa6,0xe7,0xfc,0xd1,0xca,0x53,0x48,0x65,0x7e,0x3f,0x24,0x09,0x12,
        0x9d,0x86,0xab,0xb0,0xf1,0xea,0xc7,0xdc,0x45,0x5e,0x73,0x68,0x29,0x32,0x1f,0x04,
        0x4e,0x55,0x78,0x63,0x22,0x39,0x14,0x0f,0x96,0x8d,0xa0,0xbb,0xfa,0xe1,0xcc,0xd7
    };

    static const unsigned char BitReverseTable[] = {
        0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
        0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
        0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
        0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
        0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
        0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
        0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
        0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
        0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
        0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
        0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
        0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
        0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
        0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
        0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
        0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF
    };

    class catv_transport_framing_enc_bb_impl : public catv_transport_framing_enc_bb
    {
     private:
      unsigned char compute_sum(const unsigned char *bytes);

     public:
      catv_transport_framing_enc_bb_impl();
      ~catv_transport_framing_enc_bb_impl();

      int work(int noutput_items,
               gr_vector_const_void_star &input_items,
               gr_vector_void_star &output_items);
    };

  } // namespace dtv
} // namespace gr

#endif /* INCLUDED_DTV_CATV_TRANSPORT_FRAMING_ENC_BB_IMPL_H */

