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										 |  |  | ///////////////////////////////////////////////////////////////////////////////////
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							|  |  |  | // Copyright (C) 2021 Jon Beniston, M7RCE                                        //
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							|  |  |  | //                                                                               //
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							|  |  |  | // This program is free software; you can redistribute it and/or modify          //
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							|  |  |  | // it under the terms of the GNU General Public License as published by          //
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							|  |  |  | // the Free Software Foundation as version 3 of the License, or                  //
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							|  |  |  | // (at your option) any later version.                                           //
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							|  |  |  | //                                                                               //
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							|  |  |  | // This program is distributed in the hope that it will be useful,               //
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							|  |  |  | // but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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							|  |  |  | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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							|  |  |  | // GNU General Public License V3 for more details.                               //
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							|  |  |  | //                                                                               //
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							|  |  |  | // You should have received a copy of the GNU General Public License             //
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							|  |  |  | // along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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							|  |  |  | ///////////////////////////////////////////////////////////////////////////////////
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							|  |  |  | 
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							|  |  |  | #include "dvb-s.h"
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							|  |  |  | #include "util/popcount.h"
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							|  |  |  | 
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							|  |  |  | #include <string.h>
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							|  |  |  | 
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							|  |  |  | DVBS::DVBS() : | 
					
						
							|  |  |  |     m_prbsPacketCount(0), | 
					
						
							|  |  |  |     m_delayLine(0), | 
					
						
							|  |  |  |     m_punctureState(0), | 
					
						
							|  |  |  |     m_prevIQValid(false) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     // Allocate memory for packet buffer
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							|  |  |  |     m_packet = new uint8_t[rsPacketLen]; | 
					
						
							|  |  |  | 
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							|  |  |  |     // Allocate memory for interleaver FIFOs
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							|  |  |  |     int unitSize = rsPacketLen/interleaveDepth; | 
					
						
							|  |  |  | 
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							|  |  |  |     m_interleaveFIFO = new uint8_t *[interleaveDepth]; | 
					
						
							|  |  |  |     m_interleaveLen = new int[interleaveDepth]; | 
					
						
							|  |  |  |     m_interleaveIdx = new int[interleaveDepth]; | 
					
						
							|  |  |  |     for (int i = 1; i < interleaveDepth; i++) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |          m_interleaveFIFO[i] = new uint8_t[unitSize*i](); | 
					
						
							|  |  |  |          m_interleaveLen[i] = unitSize*i; | 
					
						
							|  |  |  |          m_interleaveIdx[i] = 0; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | DVBS::~DVBS() | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     // Free interleaver FIFO memory
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							|  |  |  |     for (int i = 1; i < interleaveDepth; i++) | 
					
						
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										 |  |  |         delete[] m_interleaveFIFO[i]; | 
					
						
							|  |  |  |     delete[] m_interleaveIdx; | 
					
						
							|  |  |  |     delete[] m_interleaveLen; | 
					
						
							|  |  |  |     delete[] m_interleaveFIFO; | 
					
						
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										 |  |  | 
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							|  |  |  |     // Free packet buffer
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										 |  |  |     delete[] m_packet; | 
					
						
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										 |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | // Scramble input packet (except for sync bytes) with psuedo random binary sequence
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							|  |  |  | // Initiliase PRBS sequence every 8 packets and invert sync byte
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							|  |  |  | void DVBS::scramble(const uint8_t *packetIn, uint8_t *packetOut) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     if (m_prbsPacketCount == 0) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         // Init
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							|  |  |  |         m_prbsIdx = 0; | 
					
						
							|  |  |  |         // Invert sync byte to reset receiver
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							|  |  |  |         packetOut[0] = ~tsSync; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     else | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         // PRBS continues, but isn't applied to sync bytes 1-7
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							|  |  |  |         m_prbsIdx++; | 
					
						
							|  |  |  |         packetOut[0] = tsSync; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     m_prbsPacketCount++; | 
					
						
							|  |  |  |     if (m_prbsPacketCount == 8) | 
					
						
							|  |  |  |         m_prbsPacketCount = 0; | 
					
						
							|  |  |  | 
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							|  |  |  |     // Apply PRBS to data
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							|  |  |  |     for (int i = 1; i < tsPacketLen; i++) | 
					
						
							|  |  |  |         packetOut[i] = packetIn[i] ^ m_prbsLUT[m_prbsIdx++]; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | // RS(204,188,t=8) shortened code from RS(255,239,t=8) code
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							|  |  |  | // Using GF(2^8=256) so 1 symbol is 1 byte
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							|  |  |  | // Code generator polynomial: (x+l^0)(x+l^1)..(x+l^15) l=0x02
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							|  |  |  | // Field generator polynomial: x^8+x^4+x^3+x^2+1 (a primitive polynomial)
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										 |  |  | // Add 51 zero bytes before 188-byte packet to pad to 239 bytes, which are
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							|  |  |  | // discarded after RS encoding. They don't change the result so can just be ignored
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										 |  |  | // n=255 k=239
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							|  |  |  | // RS adds 2t = 16 bytes (n-k) after original data (so is systematic)
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							|  |  |  | // t=8 means we can correct 8 bytes if we don't know where the errors are
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							|  |  |  | // or 2t=16 errors if we do no where the errors are
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							|  |  |  | // https://en.wikiversity.org/wiki/Reed%E2%80%93Solomon_codes_for_coders
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							|  |  |  | 
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							|  |  |  | // Galois field multiply
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							|  |  |  | uint8_t DVBS::gfMul(uint8_t a, uint8_t b) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     if ((a == 0) || (b == 0)) | 
					
						
							|  |  |  |         return 0; | 
					
						
							|  |  |  |     return m_gfExp[m_gfLog[a] + m_gfLog[b]]; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | // Reed Solomon encoder
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							|  |  |  | void DVBS::reedSolomon(uint8_t *packet) | 
					
						
							|  |  |  | { | 
					
						
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										 |  |  |     uint8_t tmp[rsK]; | 
					
						
							|  |  |  |     const int partityBytesIdx = tsPacketLen; | 
					
						
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										 |  |  | 
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							|  |  |  |     // Copy in packet
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										 |  |  |     memcpy(&tmp[0], packet, tsPacketLen); | 
					
						
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										 |  |  |     // Zero parity bytes
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							|  |  |  |     memset(&tmp[partityBytesIdx], 0, rs2T); | 
					
						
							|  |  |  | 
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										 |  |  |     // Divide input by generator polynomial to compute parity bytes
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							|  |  |  |     for (int i = 0; i < tsPacketLen; i++) | 
					
						
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										 |  |  |     { | 
					
						
							|  |  |  |         uint8_t coef = tmp[i]; | 
					
						
							|  |  |  | 
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							|  |  |  |         if (coef != 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 0; j < rs2T; j++) | 
					
						
							|  |  |  |                 tmp[i+j+1] ^= gfMul(rsPoly[j], coef); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     // Append parity bytes to message
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							|  |  |  |     memcpy(&packet[tsPacketLen], &tmp[partityBytesIdx], rs2T); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | // Forney interleaver
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							|  |  |  | // We have interleaveDepth FIFOs, each of a different length, that the data is split between
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							|  |  |  | // FIFO n's length is n*rsPacketLen/interleaveDepth elements
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							|  |  |  | void DVBS::interleave(uint8_t *packet) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     uint8_t *p = packet; | 
					
						
							|  |  |  |     for (int j = 0; j < rsPacketLen; j += interleaveDepth) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         p++; | 
					
						
							|  |  |  |         for (int i = 1; i < interleaveDepth; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             uint8_t tmp = m_interleaveFIFO[i][m_interleaveIdx[i]]; | 
					
						
							|  |  |  |             m_interleaveFIFO[i][m_interleaveIdx[i]] = *p; | 
					
						
							|  |  |  |             *p = tmp; | 
					
						
							|  |  |  |             m_interleaveIdx[i] = (m_interleaveIdx[i] + 1) % m_interleaveLen[i]; | 
					
						
							|  |  |  |             p++; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | // Convolution encoder
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							|  |  |  | // Rate 1/2 with puncturing
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							|  |  |  | // Constraint length K=7 G1=171 G2=133
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							|  |  |  | // Similar to CCSDS (without inversion of C2)
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							|  |  |  | // Using popcount is faster than state/output LUTs
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							|  |  |  | int DVBS::convolution(const uint8_t *packet, uint8_t *iq) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     const int g1 = 0x79; | 
					
						
							|  |  |  |     const int g2 = 0x5b; | 
					
						
							|  |  |  |     const int k = 7; | 
					
						
							|  |  |  |     uint8_t *iqStart = iq; | 
					
						
							|  |  |  |     int bit; | 
					
						
							|  |  |  | 
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							|  |  |  |     // Output byte left over from last frame
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							|  |  |  |     if (m_prevIQValid) | 
					
						
							|  |  |  |         *iq++ = m_prevIQ; | 
					
						
							|  |  |  | 
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							|  |  |  |     switch (m_codeRate) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |     case RATE_1_2: | 
					
						
							|  |  |  |         for (int i = 0; i < rsPacketLen; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 7; j >= 0; j--) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 bit = (packet[i] >> j) & 1; | 
					
						
							|  |  |  |                 m_delayLine = m_delayLine | (bit << (k-1)); | 
					
						
							|  |  |  |                 *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                 *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                 m_delayLine >>= 1; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         break; | 
					
						
							|  |  |  | 
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							|  |  |  |     case RATE_2_3: | 
					
						
							|  |  |  |         for (int i = 0; i < rsPacketLen; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 7; j >= 0; j--) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 bit = (packet[i] >> j) & 1; | 
					
						
							|  |  |  |                 m_delayLine = m_delayLine | (bit << (k-1)); | 
					
						
							|  |  |  |                 switch (m_punctureState) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                 case 0: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 1: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState = 0; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 m_delayLine >>= 1; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         break; | 
					
						
							|  |  |  | 
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							|  |  |  |     case RATE_3_4: | 
					
						
							|  |  |  |         for (int i = 0; i < rsPacketLen; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 7; j >= 0; j--) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 bit = (packet[i] >> j) & 1; | 
					
						
							|  |  |  |                 m_delayLine = m_delayLine | (bit << (k-1)); | 
					
						
							|  |  |  |                 switch (m_punctureState) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                 case 0: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 1: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 2: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     m_punctureState = 0; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 m_delayLine >>= 1; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         break; | 
					
						
							|  |  |  | 
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							|  |  |  |     case RATE_5_6: | 
					
						
							|  |  |  |         for (int i = 0; i < rsPacketLen; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 7; j >= 0; j--) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 bit = (packet[i] >> j) & 1; | 
					
						
							|  |  |  |                 m_delayLine = m_delayLine | (bit << (k-1)); | 
					
						
							|  |  |  |                 switch (m_punctureState) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                 case 0: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 1: | 
					
						
							|  |  |  |                 case 3: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 2: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 4: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     m_punctureState = 0; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 m_delayLine >>= 1; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         break; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     case RATE_7_8: | 
					
						
							|  |  |  |         for (int i = 0; i < rsPacketLen; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             for (int j = 7; j >= 0; j--) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 bit = (packet[i] >> j) & 1; | 
					
						
							|  |  |  |                 m_delayLine = m_delayLine | (bit << (k-1)); | 
					
						
							|  |  |  |                 switch (m_punctureState) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                 case 0: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 1: | 
					
						
							|  |  |  |                 case 2: | 
					
						
							|  |  |  |                 case 3: | 
					
						
							|  |  |  |                 case 5: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g2) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 4: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     m_punctureState++; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 case 6: | 
					
						
							|  |  |  |                     *iq++ = popcount(m_delayLine & g1) & 1; | 
					
						
							|  |  |  |                     m_punctureState = 0; | 
					
						
							|  |  |  |                     break; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 m_delayLine >>= 1; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         break; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     int iqBytes = iq - iqStart; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // If puncturing has left half a symbol, save it for next packet
 | 
					
						
							|  |  |  |     if (iqBytes & 1) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         m_prevIQ = iq[-1]; | 
					
						
							|  |  |  |         m_prevIQValid = true; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  |     else | 
					
						
							|  |  |  |         m_prevIQValid = false; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     return iqBytes >> 1; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Set convolution encoder forward error correction (FEC) code rate
 | 
					
						
							|  |  |  | // Rate 1/2 = 1 input bit produces 2 output bits
 | 
					
						
							|  |  |  | void DVBS::setCodeRate(CodeRate codeRate) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     m_codeRate = codeRate; | 
					
						
							|  |  |  |     m_delayLine = 0; | 
					
						
							|  |  |  |     m_punctureState = 0; | 
					
						
							|  |  |  |     m_prevIQValid = false; | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // DVB-S packet encoder.
 | 
					
						
							|  |  |  | // Encode 188 byte MPEG transport stream to IQ symbols
 | 
					
						
							|  |  |  | // IQ symbols are 0 or 1 and interleaved (I0, Q0, I1, Q1...)
 | 
					
						
							|  |  |  | // Number of IQ symbols is returned from function and depends on FEC rate
 | 
					
						
							|  |  |  | // Maximum number is (188+16)*8=1632 when FEC rate is 1/2
 | 
					
						
							|  |  |  | // (This is IQ symbols, so 3264 elements needed in iq array)
 | 
					
						
							|  |  |  | int DVBS::encode(const uint8_t *tsStreamPacket, uint8_t *iq) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     scramble(tsStreamPacket, m_packet); | 
					
						
							|  |  |  |     reedSolomon(m_packet); | 
					
						
							|  |  |  |     interleave(m_packet); | 
					
						
							|  |  |  |     return convolution(m_packet, iq); | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Pseudo random sequence look-up table
 | 
					
						
							|  |  |  | // Generated with RandomizeDVBS in util/lfsr.h
 | 
					
						
							|  |  |  | const uint8_t DVBS::m_prbsLUT[tsPacketLen*8-1] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     0x03, 0xf6, 0x08, 0x34, 0x30, 0xb8, 0xa3, 0x93, | 
					
						
							|  |  |  |     0xc9, 0x68, 0xb7, 0x73, 0xb3, 0x29, 0xaa, 0xf5, | 
					
						
							|  |  |  |     0xfe, 0x3c, 0x04, 0x88, 0x1b, 0x30, 0x5a, 0xa1, | 
					
						
							|  |  |  |     0xdf, 0xc4, 0xc0, 0x9a, 0x83, 0x5f, 0x0b, 0xc2, | 
					
						
							|  |  |  |     0x38, 0x8c, 0x93, 0x2b, 0x6a, 0xfb, 0x7e, 0x1b, | 
					
						
							|  |  |  |     0x04, 0x5a, 0x19, 0xdc, 0x54, 0xc9, 0xfa, 0xb4, | 
					
						
							|  |  |  |     0x1f, 0xb8, 0x41, 0x91, 0x85, 0x65, 0x1f, 0x5e, | 
					
						
							|  |  |  |     0x43, 0xc5, 0x88, 0x9d, 0x33, 0x4e, 0xab, 0xa7, | 
					
						
							|  |  |  |     0xf9, 0xd0, 0x14, 0xe0, 0x7a, 0x41, 0x1d, 0x86, | 
					
						
							|  |  |  |     0x4d, 0x15, 0xae, 0x7d, 0xe5, 0x0c, 0x5e, 0x29, | 
					
						
							|  |  |  |     0xc4, 0xf4, 0x9a, 0x3b, 0x5c, 0x9b, 0xcb, 0x58, | 
					
						
							|  |  |  |     0xbb, 0xd3, 0x98, 0xe9, 0x52, 0x77, 0xed, 0x30, | 
					
						
							|  |  |  |     0x6e, 0xa1, 0x67, 0xc7, 0x50, 0x93, 0xe3, 0x68, | 
					
						
							|  |  |  |     0x4b, 0x71, 0xbb, 0x25, 0x9a, 0xdd, 0x5e, 0xcf, | 
					
						
							|  |  |  |     0xc6, 0xa0, 0x97, 0xc3, 0x70, 0x8b, 0x23, 0x3a, | 
					
						
							|  |  |  |     0xca, 0x9e, 0xbf, 0x47, 0x83, 0x91, 0x09, 0x66, | 
					
						
							|  |  |  |     0x37, 0x54, 0xb3, 0xfb, 0xa8, 0x19, 0xf0, 0x54, | 
					
						
							|  |  |  |     0x21, 0xf8, 0xc4, 0x12, 0x98, 0x6f, 0x51, 0x63, | 
					
						
							|  |  |  |     0xe7, 0x48, 0x53, 0xb1, 0xe9, 0xa4, 0x75, 0xd9, | 
					
						
							|  |  |  |     0x3c, 0xd6, 0x8a, 0xf7, 0x3e, 0x32, 0x84, 0xaf, | 
					
						
							|  |  |  |     0x1b, 0xe2, 0x58, 0x4d, 0xd1, 0xac, 0xe5, 0xea, | 
					
						
							|  |  |  |     0x5c, 0x7d, 0xc9, 0x0c, 0xb6, 0x2b, 0xb4, 0xf9, | 
					
						
							|  |  |  |     0xba, 0x15, 0x9c, 0x7d, 0x49, 0x0f, 0xb6, 0x21, | 
					
						
							|  |  |  |     0xb4, 0xc5, 0xba, 0x9d, 0x9f, 0x4d, 0x43, 0xaf, | 
					
						
							|  |  |  |     0x89, 0xe1, 0x34, 0x46, 0xb9, 0x97, 0x95, 0x71, | 
					
						
							|  |  |  |     0x7f, 0x27, 0x02, 0xd2, 0x0e, 0xec, 0x26, 0x68, | 
					
						
							|  |  |  |     0xd5, 0x72, 0xff, 0x2e, 0x02, 0xe4, 0x0e, 0x58, | 
					
						
							|  |  |  |     0x25, 0xd0, 0xdc, 0xe2, 0xca, 0x4e, 0xbd, 0xa7, | 
					
						
							|  |  |  |     0x8d, 0xd1, 0x2c, 0xe6, 0xea, 0x56, 0x7d, 0xf5, | 
					
						
							|  |  |  |     0x0c, 0x3e, 0x28, 0x84, 0xf3, 0x1a, 0x2a, 0x5c, | 
					
						
							|  |  |  |     0xfd, 0xca, 0x0c, 0xbc, 0x2b, 0x88, 0xf9, 0x32, | 
					
						
							|  |  |  |     0x16, 0xac, 0x77, 0xe9, 0x30, 0x76, 0xa1, 0x37, | 
					
						
							|  |  |  |     0xc6, 0xb0, 0x97, 0xa3, 0x71, 0xcb, 0x24, 0xba, | 
					
						
							|  |  |  |     0xdb, 0x9e, 0xd9, 0x46, 0xd7, 0x96, 0xf1, 0x76, | 
					
						
							|  |  |  |     0x27, 0x34, 0xd2, 0xba, 0xef, 0x9e, 0x61, 0x45, | 
					
						
							|  |  |  |     0x47, 0x9f, 0x91, 0x41, 0x67, 0x87, 0x51, 0x13, | 
					
						
							|  |  |  |     0xe6, 0x68, 0x55, 0x71, 0xff, 0x24, 0x02, 0xd8, | 
					
						
							|  |  |  |     0x0e, 0xd0, 0x26, 0xe0, 0xd6, 0x42, 0xf5, 0x8e, | 
					
						
							|  |  |  |     0x3d, 0x24, 0x8e, 0xdb, 0x26, 0xda, 0xd6, 0xde, | 
					
						
							|  |  |  |     0xf6, 0xc6, 0x36, 0x94, 0xb7, 0x7b, 0xb3, 0x19, | 
					
						
							|  |  |  |     0xaa, 0x55, 0xfd, 0xfc, 0x0c, 0x08, 0x28, 0x30, | 
					
						
							|  |  |  |     0xf0, 0xa2, 0x23, 0xcc, 0xc8, 0xaa, 0xb3, 0xff, | 
					
						
							|  |  |  |     0xa8, 0x01, 0xf0, 0x04, 0x20, 0x18, 0xc0, 0x52, | 
					
						
							|  |  |  |     0x81, 0xef, 0x04, 0x62, 0x19, 0x4c, 0x57, 0xa9, | 
					
						
							|  |  |  |     0xf1, 0xf4, 0x24, 0x38, 0xd8, 0x92, 0xd3, 0x6e, | 
					
						
							|  |  |  |     0xeb, 0x66, 0x7b, 0x55, 0x1b, 0xfe, 0x58, 0x05, | 
					
						
							|  |  |  |     0xd0, 0x1c, 0xe0, 0x4a, 0x41, 0xbd, 0x85, 0x8d, | 
					
						
							|  |  |  |     0x1d, 0x2e, 0x4e, 0xe5, 0xa6, 0x5d, 0xd5, 0xcc, | 
					
						
							|  |  |  |     0xfc, 0xaa, 0x0b, 0xfc, 0x38, 0x08, 0x90, 0x33, | 
					
						
							|  |  |  |     0x60, 0xab, 0x43, 0xfb, 0x88, 0x19, 0x30, 0x56, | 
					
						
							|  |  |  |     0xa1, 0xf7, 0xc4, 0x30, 0x98, 0xa3, 0x53, 0xcb, | 
					
						
							|  |  |  |     0xe8, 0xb8, 0x73, 0x91, 0x29, 0x66, 0xf7, 0x56, | 
					
						
							|  |  |  |     0x33, 0xf4, 0xa8, 0x3b, 0xf0, 0x98, 0x23, 0x50, | 
					
						
							|  |  |  |     0xcb, 0xe2, 0xb8, 0x4f, 0x91, 0xa1, 0x65, 0xc7, | 
					
						
							|  |  |  |     0x5c, 0x93, 0xcb, 0x68, 0xbb, 0x73, 0x9b, 0x29, | 
					
						
							|  |  |  |     0x5a, 0xf7, 0xde, 0x30, 0xc4, 0xa2, 0x9b, 0xcf, | 
					
						
							|  |  |  |     0x58, 0xa3, 0xd3, 0xc8, 0xe8, 0xb2, 0x73, 0xad, | 
					
						
							|  |  |  |     0x29, 0xee, 0xf4, 0x66, 0x39, 0x54, 0x97, 0xfb, | 
					
						
							|  |  |  |     0x70, 0x1b, 0x20, 0x5a, 0xc1, 0xde, 0x84, 0xc7, | 
					
						
							|  |  |  |     0x1a, 0x92, 0x5f, 0x6d, 0xc3, 0x6c, 0x8b, 0x6b, | 
					
						
							|  |  |  |     0x3b, 0x7a, 0x9b, 0x1f, 0x5a, 0x43, 0xdd, 0x88, | 
					
						
							|  |  |  |     0xcd, 0x32, 0xae, 0xaf, 0xe7, 0xe0, 0x50, 0x41, | 
					
						
							|  |  |  |     0xe1, 0x84, 0x45, 0x19, 0x9e, 0x55, 0x45, 0xff, | 
					
						
							|  |  |  |     0x9c, 0x01, 0x48, 0x07, 0xb0, 0x11, 0xa0, 0x65, | 
					
						
							|  |  |  |     0xc1, 0x5c, 0x87, 0xcb, 0x10, 0xba, 0x63, 0x9d, | 
					
						
							|  |  |  |     0x49, 0x4f, 0xb7, 0xa1, 0xb1, 0xc5, 0xa4, 0x9d, | 
					
						
							|  |  |  |     0xdb, 0x4c, 0xdb, 0xaa, 0xd9, 0xfe, 0xd4, 0x06, | 
					
						
							|  |  |  |     0xf8, 0x16, 0x10, 0x74, 0x61, 0x39, 0x46, 0x97, | 
					
						
							|  |  |  |     0x97, 0x71, 0x73, 0x27, 0x2a, 0xd2, 0xfe, 0xee, | 
					
						
							|  |  |  |     0x06, 0x64, 0x15, 0x58, 0x7f, 0xd1, 0x00, 0xe6, | 
					
						
							|  |  |  |     0x02, 0x54, 0x0d, 0xf8, 0x2c, 0x10, 0xe8, 0x62, | 
					
						
							|  |  |  |     0x71, 0x4d, 0x27, 0xae, 0xd1, 0xe6, 0xe4, 0x56, | 
					
						
							|  |  |  |     0x59, 0xf5, 0xd4, 0x3c, 0xf8, 0x8a, 0x13, 0x3c, | 
					
						
							|  |  |  |     0x6a, 0x89, 0x7f, 0x37, 0x02, 0xb2, 0x0f, 0xac, | 
					
						
							|  |  |  |     0x21, 0xe8, 0xc4, 0x72, 0x99, 0x2f, 0x56, 0xe3, | 
					
						
							|  |  |  |     0xf6, 0x48, 0x35, 0xb0, 0xbd, 0xa3, 0x8d, 0xc9, | 
					
						
							|  |  |  |     0x2c, 0xb6, 0xeb, 0xb6, 0x79, 0xb5, 0x15, 0xbe, | 
					
						
							|  |  |  |     0x7d, 0x85, 0x0d, 0x1e, 0x2e, 0x44, 0xe5, 0x9a, | 
					
						
							|  |  |  |     0x5d, 0x5d, 0xcf, 0xcc, 0xa0, 0xab, 0xc3, 0xf8, | 
					
						
							|  |  |  |     0x88, 0x13, 0x30, 0x6a, 0xa1, 0x7f, 0xc7, 0x00, | 
					
						
							|  |  |  |     0x92, 0x03, 0x6c, 0x0b, 0x68, 0x3b, 0x70, 0x9b, | 
					
						
							|  |  |  |     0x23, 0x5a, 0xcb, 0xde, 0xb8, 0xc7, 0x92, 0x91, | 
					
						
							|  |  |  |     0x6f, 0x67, 0x63, 0x53, 0x4b, 0xeb, 0xb8, 0x79, | 
					
						
							|  |  |  |     0x91, 0x15, 0x66, 0x7f, 0x55, 0x03, 0xfe, 0x08, | 
					
						
							|  |  |  |     0x04, 0x30, 0x18, 0xa0, 0x53, 0xc1, 0xe8, 0x84, | 
					
						
							|  |  |  |     0x73, 0x19, 0x2a, 0x56, 0xfd, 0xf6, 0x0c, 0x34, | 
					
						
							|  |  |  |     0x28, 0xb8, 0xf3, 0x92, 0x29, 0x6c, 0xf7, 0x6a, | 
					
						
							|  |  |  |     0x33, 0x7c, 0xab, 0x0b, 0xfa, 0x38, 0x1c, 0x90, | 
					
						
							|  |  |  |     0x4b, 0x61, 0xbb, 0x45, 0x9b, 0x9d, 0x59, 0x4f, | 
					
						
							|  |  |  |     0xd7, 0xa0, 0xf1, 0xc2, 0x24, 0x8c, 0xdb, 0x2a, | 
					
						
							|  |  |  |     0xda, 0xfe, 0xde, 0x06, 0xc4, 0x16, 0x98, 0x77, | 
					
						
							|  |  |  |     0x51, 0x33, 0xe6, 0xa8, 0x57, 0xf1, 0xf0, 0x24, | 
					
						
							|  |  |  |     0x20, 0xd8, 0xc2, 0xd2, 0x8e, 0xef, 0x26, 0x62, | 
					
						
							|  |  |  |     0xd5, 0x4e, 0xff, 0xa6, 0x01, 0xd4, 0x04, 0xf8, | 
					
						
							|  |  |  |     0x1a, 0x10, 0x5c, 0x61, 0xc9, 0x44, 0xb7, 0x9b, | 
					
						
							|  |  |  |     0xb1, 0x59, 0xa7, 0xd5, 0xd0, 0xfc, 0xe2, 0x0a, | 
					
						
							|  |  |  |     0x4c, 0x3d, 0xa8, 0x8d, 0xf3, 0x2c, 0x2a, 0xe8, | 
					
						
							|  |  |  |     0xfe, 0x72, 0x05, 0x2c, 0x1e, 0xe8, 0x46, 0x71, | 
					
						
							|  |  |  |     0x95, 0x25, 0x7e, 0xdf, 0x06, 0xc2, 0x16, 0x8c, | 
					
						
							|  |  |  |     0x77, 0x29, 0x32, 0xf6, 0xae, 0x37, 0xe4, 0xb0, | 
					
						
							|  |  |  |     0x5b, 0xa1, 0xd9, 0xc4, 0xd4, 0x9a, 0xfb, 0x5e, | 
					
						
							|  |  |  |     0x1b, 0xc4, 0x58, 0x99, 0xd3, 0x54, 0xeb, 0xfa, | 
					
						
							|  |  |  |     0x78, 0x1d, 0x10, 0x4e, 0x61, 0xa5, 0x45, 0xdf, | 
					
						
							|  |  |  |     0x9c, 0xc1, 0x4a, 0x87, 0xbf, 0x11, 0x82, 0x65, | 
					
						
							|  |  |  |     0x0d, 0x5e, 0x2f, 0xc4, 0xe0, 0x9a, 0x43, 0x5d, | 
					
						
							|  |  |  |     0x8b, 0xcd, 0x38, 0xae, 0x93, 0xe7, 0x68, 0x53, | 
					
						
							|  |  |  |     0x71, 0xeb, 0x24, 0x7a, 0xd9, 0x1e, 0xd6, 0x46, | 
					
						
							|  |  |  |     0xf5, 0x96, 0x3d, 0x74, 0x8f, 0x3b, 0x22, 0x9a, | 
					
						
							|  |  |  |     0xcf, 0x5e, 0xa3, 0xc7, 0xc8, 0x90, 0xb3, 0x63, | 
					
						
							|  |  |  |     0xab, 0x49, 0xfb, 0xb4, 0x19, 0xb8, 0x55, 0x91, | 
					
						
							|  |  |  |     0xfd, 0x64, 0x0f, 0x58, 0x23, 0xd0, 0xc8, 0xe2, | 
					
						
							|  |  |  |     0xb2, 0x4f, 0xad, 0xa1, 0xed, 0xc4, 0x6c, 0x99, | 
					
						
							|  |  |  |     0x6b, 0x57, 0x7b, 0xf3, 0x18, 0x2a, 0x50, 0xfd, | 
					
						
							|  |  |  |     0xe2, 0x0c, 0x4c, 0x29, 0xa8, 0xf5, 0xf2, 0x3c, | 
					
						
							|  |  |  |     0x2c, 0x88, 0xeb, 0x32, 0x7a, 0xad, 0x1f, 0xee, | 
					
						
							|  |  |  |     0x40, 0x65, 0x81, 0x5d, 0x07, 0xce, 0x10, 0xa4, | 
					
						
							|  |  |  |     0x63, 0xd9, 0x48, 0xd7, 0xb2, 0xf1, 0xae, 0x25, | 
					
						
							|  |  |  |     0xe4, 0xdc, 0x5a, 0xc9, 0xde, 0xb4, 0xc7, 0xba, | 
					
						
							|  |  |  |     0x91, 0x9f, 0x65, 0x43, 0x5f, 0x8b, 0xc1, 0x38, | 
					
						
							|  |  |  |     0x86, 0x93, 0x17, 0x6a, 0x73, 0x7d, 0x2b, 0x0e, | 
					
						
							|  |  |  |     0xfa, 0x26, 0x1c, 0xd4, 0x4a, 0xf9, 0xbe, 0x15, | 
					
						
							|  |  |  |     0x84, 0x7d, 0x19, 0x0e, 0x56, 0x25, 0xf4, 0xdc, | 
					
						
							|  |  |  |     0x3a, 0xc8, 0x9e, 0xb3, 0x47, 0xab, 0x91, 0xf9, | 
					
						
							|  |  |  |     0x64, 0x17, 0x58, 0x73, 0xd1, 0x28, 0xe6, 0xf2, | 
					
						
							|  |  |  |     0x56, 0x2d, 0xf4, 0xec, 0x3a, 0x68, 0x9d, 0x73, | 
					
						
							|  |  |  |     0x4f, 0x2b, 0xa2, 0xf9, 0xce, 0x14, 0xa4, 0x7b, | 
					
						
							|  |  |  |     0xd9, 0x18, 0xd6, 0x52, 0xf5, 0xee, 0x3c, 0x64, | 
					
						
							|  |  |  |     0x89, 0x5b, 0x37, 0xda, 0xb0, 0xdf, 0xa2, 0xc1, | 
					
						
							|  |  |  |     0xce, 0x84, 0xa7, 0x1b, 0xd2, 0x58, 0xed, 0xd2, | 
					
						
							|  |  |  |     0x6c, 0xed, 0x6a, 0x6f, 0x7d, 0x63, 0x0f, 0x4a, | 
					
						
							|  |  |  |     0x23, 0xbc, 0xc9, 0x8a, 0xb5, 0x3f, 0xbe, 0x81, | 
					
						
							|  |  |  |     0x87, 0x05, 0x12, 0x1e, 0x6c, 0x45, 0x69, 0x9f, | 
					
						
							|  |  |  |     0x75, 0x43, 0x3f, 0x8a, 0x81, 0x3f, 0x06, 0x82, | 
					
						
							|  |  |  |     0x17, 0x0c, 0x72, 0x29, 0x2c, 0xf6, 0xea, 0x36, | 
					
						
							|  |  |  |     0x7c, 0xb5, 0x0b, 0xbe, 0x39, 0x84, 0x95, 0x1b, | 
					
						
							|  |  |  |     0x7e, 0x5b, 0x05, 0xda, 0x1c, 0xdc, 0x4a, 0xc9, | 
					
						
							|  |  |  |     0xbe, 0xb5, 0x87, 0xbd, 0x11, 0x8e, 0x65, 0x25, | 
					
						
							|  |  |  |     0x5e, 0xdf, 0xc6, 0xc0, 0x96, 0x83, 0x77, 0x0b, | 
					
						
							|  |  |  |     0x32, 0x3a, 0xac, 0x9f, 0xeb, 0x40, 0x7b, 0x81, | 
					
						
							|  |  |  |     0x19, 0x06, 0x56, 0x15, 0xf4, 0x7c, 0x39, 0x08, | 
					
						
							|  |  |  |     0x96, 0x33, 0x74, 0xab, 0x3b, 0xfa, 0x98, 0x1f, | 
					
						
							|  |  |  |     0x50, 0x43, 0xe1, 0x88, 0x45, 0x31, 0x9e, 0xa5, | 
					
						
							|  |  |  |     0x47, 0xdf, 0x90, 0xc1, 0x62, 0x87, 0x4f, 0x13, | 
					
						
							|  |  |  |     0xa2, 0x69, 0xcd, 0x74, 0xaf, 0x3b, 0xe2, 0x98, | 
					
						
							|  |  |  |     0x4f, 0x51, 0xa3, 0xe5, 0xc8, 0x5c, 0xb1, 0xcb, | 
					
						
							|  |  |  |     0xa4, 0xb9, 0xdb, 0x94, 0xd9, 0x7a, 0xd7, 0x1e, | 
					
						
							|  |  |  |     0xf2, 0x46, 0x2d, 0x94, 0xed, 0x7a, 0x6f, 0x1d, | 
					
						
							|  |  |  |     0x62, 0x4f, 0x4d, 0xa3, 0xad, 0xc9, 0xec, 0xb4, | 
					
						
							|  |  |  |     0x6b, 0xb9, 0x79, 0x97, 0x15, 0x72, 0x7f, 0x2d, | 
					
						
							|  |  |  |     0x02, 0xee, 0x0e, 0x64, 0x25, 0x58, 0xdf, 0xd2, | 
					
						
							|  |  |  |     0xc0, 0xee, 0x82, 0x67, 0x0d, 0x52, 0x2f, 0xec, | 
					
						
							|  |  |  |     0xe0, 0x6a, 0x41, 0x7d, 0x87, 0x0d, 0x12, 0x2e, | 
					
						
							|  |  |  |     0x6c, 0xe5, 0x6a, 0x5f, 0x7d, 0xc3, 0x0c, 0x8a, | 
					
						
							|  |  |  |     0x2b, 0x3c, 0xfa, 0x8a, 0x1f, 0x3c, 0x42, 0x89, | 
					
						
							|  |  |  |     0x8f, 0x35, 0x22, 0xbe, 0xcf, 0x86, 0xa1, 0x17, | 
					
						
							|  |  |  |     0xc6, 0x70, 0x95, 0x23, 0x7e, 0xcb, 0x06, 0xba, | 
					
						
							|  |  |  |     0x17, 0x9c, 0x71, 0x49, 0x27, 0xb6, 0xd1, 0xb6, | 
					
						
							|  |  |  |     0xe5, 0xb6, 0x5d, 0xb5, 0xcd, 0xbc, 0xad, 0x8b, | 
					
						
							|  |  |  |     0xed, 0x38, 0x6e, 0x91, 0x67, 0x67, 0x53, 0x53, | 
					
						
							|  |  |  |     0xeb, 0xe8, 0x78, 0x71, 0x11, 0x26, 0x66, 0xd5, | 
					
						
							|  |  |  |     0x56, 0xff, 0xf6, 0x00, 0x34, 0x00, 0xb8, 0x03, | 
					
						
							|  |  |  |     0x90, 0x09, 0x60, 0x37, 0x40, 0xb3, 0x83, 0xa9, | 
					
						
							|  |  |  |     0x09, 0xf6, 0x34, 0x34, 0xb8, 0xbb, 0x93, 0x99, | 
					
						
							|  |  |  |     0x69, 0x57, 0x77, 0xf3, 0x30, 0x2a, 0xa0, 0xff, | 
					
						
							|  |  |  |     0xc2, 0x00, 0x8c, 0x03, 0x28, 0x0a, 0xf0, 0x3e, | 
					
						
							|  |  |  |     0x20, 0x84, 0xc3, 0x1a, 0x8a, 0x5f, 0x3d, 0xc2, | 
					
						
							|  |  |  |     0x8c, 0x8f, 0x2b, 0x22, 0xfa, 0xce, 0x1e, 0xa4, | 
					
						
							|  |  |  |     0x47, 0xd9, 0x90, 0xd5, 0x62, 0xff, 0x4e, 0x03, | 
					
						
							|  |  |  |     0xa4, 0x09, 0xd8, 0x34, 0xd0, 0xba, 0xe3, 0x9e, | 
					
						
							|  |  |  |     0x49, 0x45, 0xb7, 0x9d, 0xb1, 0x4d, 0xa7, 0xad, | 
					
						
							|  |  |  |     0xd1, 0xec, 0xe4, 0x6a, 0x59, 0x7d, 0xd7, 0x0c, | 
					
						
							|  |  |  |     0xf2, 0x2a, 0x2c, 0xfc, 0xea, 0x0a, 0x7c, 0x3d, | 
					
						
							|  |  |  |     0x08, 0x8e, 0x33, 0x24, 0xaa, 0xdb, 0xfe, 0xd8, | 
					
						
							|  |  |  |     0x06, 0xd0, 0x16, 0xe0, 0x76, 0x41, 0x35, 0x86, | 
					
						
							|  |  |  |     0xbd, 0x17, 0x8e, 0x71, 0x25, 0x26, 0xde, 0xd6, | 
					
						
							|  |  |  |     0xc6, 0xf6, 0x96, 0x37, 0x74, 0xb3, 0x3b, 0xaa, | 
					
						
							|  |  |  |     0x99, 0xff, 0x54, 0x03, 0xf8, 0x08, 0x10, 0x30, | 
					
						
							|  |  |  |     0x60, 0xa1, 0x43, 0xc7, 0x88, 0x91, 0x33, 0x66, | 
					
						
							|  |  |  |     0xab, 0x57, 0xfb, 0xf0, 0x18, 0x20, 0x50, 0xc1, | 
					
						
							|  |  |  |     0xe2, 0x84, 0x4f, 0x19, 0xa2, 0x55, 0xcd, 0xfc, | 
					
						
							|  |  |  |     0xac, 0x0b, 0xe8, 0x38, 0x70, 0x91, 0x23, 0x66, | 
					
						
							|  |  |  |     0xcb, 0x56, 0xbb, 0xf7, 0x98, 0x31, 0x50, 0xa7, | 
					
						
							|  |  |  |     0xe3, 0xd0, 0x48, 0xe1, 0xb2, 0x45, 0xad, 0x9d, | 
					
						
							|  |  |  |     0xed, 0x4c, 0x6f, 0xa9, 0x61, 0xf7, 0x44, 0x33, | 
					
						
							|  |  |  |     0x98, 0xa9, 0x53, 0xf7, 0xe8, 0x30, 0x70, 0xa1, | 
					
						
							|  |  |  |     0x23, 0xc6, 0xc8, 0x96, 0xb3, 0x77, 0xab, 0x31, | 
					
						
							|  |  |  |     0xfa, 0xa4, 0x1f, 0xd8, 0x40, 0xd1, 0x82, 0xe5, | 
					
						
							|  |  |  |     0x0e, 0x5e, 0x25, 0xc4, 0xdc, 0x9a, 0xcb, | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Generator polynmoial
 | 
					
						
							|  |  |  | const uint8_t DVBS::rsPoly[DVBS::rs2T] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     59, 13, 104, 189, 68, 209, 30, 8, 163, 65, 41, 229, 98, 50, 36, 59 | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Galios Field logarithm
 | 
					
						
							|  |  |  | const uint8_t DVBS::m_gfLog[256] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     0x00, 0x00, 0x01, 0x19, 0x02, 0x32, 0x1a, 0xc6, | 
					
						
							|  |  |  |     0x03, 0xdf, 0x33, 0xee, 0x1b, 0x68, 0xc7, 0x4b, | 
					
						
							|  |  |  |     0x04, 0x64, 0xe0, 0x0e, 0x34, 0x8d, 0xef, 0x81, | 
					
						
							|  |  |  |     0x1c, 0xc1, 0x69, 0xf8, 0xc8, 0x08, 0x4c, 0x71, | 
					
						
							|  |  |  |     0x05, 0x8a, 0x65, 0x2f, 0xe1, 0x24, 0x0f, 0x21, | 
					
						
							|  |  |  |     0x35, 0x93, 0x8e, 0xda, 0xf0, 0x12, 0x82, 0x45, | 
					
						
							|  |  |  |     0x1d, 0xb5, 0xc2, 0x7d, 0x6a, 0x27, 0xf9, 0xb9, | 
					
						
							|  |  |  |     0xc9, 0x9a, 0x09, 0x78, 0x4d, 0xe4, 0x72, 0xa6, | 
					
						
							|  |  |  |     0x06, 0xbf, 0x8b, 0x62, 0x66, 0xdd, 0x30, 0xfd, | 
					
						
							|  |  |  |     0xe2, 0x98, 0x25, 0xb3, 0x10, 0x91, 0x22, 0x88, | 
					
						
							|  |  |  |     0x36, 0xd0, 0x94, 0xce, 0x8f, 0x96, 0xdb, 0xbd, | 
					
						
							|  |  |  |     0xf1, 0xd2, 0x13, 0x5c, 0x83, 0x38, 0x46, 0x40, | 
					
						
							|  |  |  |     0x1e, 0x42, 0xb6, 0xa3, 0xc3, 0x48, 0x7e, 0x6e, | 
					
						
							|  |  |  |     0x6b, 0x3a, 0x28, 0x54, 0xfa, 0x85, 0xba, 0x3d, | 
					
						
							|  |  |  |     0xca, 0x5e, 0x9b, 0x9f, 0x0a, 0x15, 0x79, 0x2b, | 
					
						
							|  |  |  |     0x4e, 0xd4, 0xe5, 0xac, 0x73, 0xf3, 0xa7, 0x57, | 
					
						
							|  |  |  |     0x07, 0x70, 0xc0, 0xf7, 0x8c, 0x80, 0x63, 0x0d, | 
					
						
							|  |  |  |     0x67, 0x4a, 0xde, 0xed, 0x31, 0xc5, 0xfe, 0x18, | 
					
						
							|  |  |  |     0xe3, 0xa5, 0x99, 0x77, 0x26, 0xb8, 0xb4, 0x7c, | 
					
						
							|  |  |  |     0x11, 0x44, 0x92, 0xd9, 0x23, 0x20, 0x89, 0x2e, | 
					
						
							|  |  |  |     0x37, 0x3f, 0xd1, 0x5b, 0x95, 0xbc, 0xcf, 0xcd, | 
					
						
							|  |  |  |     0x90, 0x87, 0x97, 0xb2, 0xdc, 0xfc, 0xbe, 0x61, | 
					
						
							|  |  |  |     0xf2, 0x56, 0xd3, 0xab, 0x14, 0x2a, 0x5d, 0x9e, | 
					
						
							|  |  |  |     0x84, 0x3c, 0x39, 0x53, 0x47, 0x6d, 0x41, 0xa2, | 
					
						
							|  |  |  |     0x1f, 0x2d, 0x43, 0xd8, 0xb7, 0x7b, 0xa4, 0x76, | 
					
						
							|  |  |  |     0xc4, 0x17, 0x49, 0xec, 0x7f, 0x0c, 0x6f, 0xf6, | 
					
						
							|  |  |  |     0x6c, 0xa1, 0x3b, 0x52, 0x29, 0x9d, 0x55, 0xaa, | 
					
						
							|  |  |  |     0xfb, 0x60, 0x86, 0xb1, 0xbb, 0xcc, 0x3e, 0x5a, | 
					
						
							|  |  |  |     0xcb, 0x59, 0x5f, 0xb0, 0x9c, 0xa9, 0xa0, 0x51, | 
					
						
							|  |  |  |     0x0b, 0xf5, 0x16, 0xeb, 0x7a, 0x75, 0x2c, 0xd7, | 
					
						
							|  |  |  |     0x4f, 0xae, 0xd5, 0xe9, 0xe6, 0xe7, 0xad, 0xe8, | 
					
						
							|  |  |  |     0x74, 0xd6, 0xf4, 0xea, 0xa8, 0x50, 0x58, 0xaf | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Galios Field exponent
 | 
					
						
							|  |  |  | const uint8_t DVBS::m_gfExp[512] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, | 
					
						
							|  |  |  |     0x1d, 0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, | 
					
						
							|  |  |  |     0x4c, 0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, | 
					
						
							|  |  |  |     0x8f, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, | 
					
						
							|  |  |  |     0x9d, 0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, | 
					
						
							|  |  |  |     0x6a, 0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, | 
					
						
							|  |  |  |     0x46, 0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, | 
					
						
							|  |  |  |     0x5d, 0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, | 
					
						
							|  |  |  |     0x5f, 0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, | 
					
						
							|  |  |  |     0x65, 0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, | 
					
						
							|  |  |  |     0xfd, 0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, | 
					
						
							|  |  |  |     0xfe, 0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, | 
					
						
							|  |  |  |     0xd9, 0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, | 
					
						
							|  |  |  |     0x0d, 0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, | 
					
						
							|  |  |  |     0x81, 0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, | 
					
						
							|  |  |  |     0x3b, 0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, | 
					
						
							|  |  |  |     0x85, 0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, | 
					
						
							|  |  |  |     0x4f, 0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, | 
					
						
							|  |  |  |     0xa8, 0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, | 
					
						
							|  |  |  |     0x49, 0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, | 
					
						
							|  |  |  |     0xe6, 0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, | 
					
						
							|  |  |  |     0xfc, 0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, | 
					
						
							|  |  |  |     0xe3, 0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, | 
					
						
							|  |  |  |     0x95, 0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, | 
					
						
							|  |  |  |     0x82, 0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, | 
					
						
							|  |  |  |     0x1c, 0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, | 
					
						
							|  |  |  |     0x51, 0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, | 
					
						
							|  |  |  |     0xc3, 0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, | 
					
						
							|  |  |  |     0x12, 0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, | 
					
						
							|  |  |  |     0xf7, 0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, | 
					
						
							|  |  |  |     0x2c, 0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, | 
					
						
							|  |  |  |     0x1b, 0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x01, | 
					
						
							|  |  |  |     0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1d, | 
					
						
							|  |  |  |     0x3a, 0x74, 0xe8, 0xcd, 0x87, 0x13, 0x26, 0x4c, | 
					
						
							|  |  |  |     0x98, 0x2d, 0x5a, 0xb4, 0x75, 0xea, 0xc9, 0x8f, | 
					
						
							|  |  |  |     0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x9d, | 
					
						
							|  |  |  |     0x27, 0x4e, 0x9c, 0x25, 0x4a, 0x94, 0x35, 0x6a, | 
					
						
							|  |  |  |     0xd4, 0xb5, 0x77, 0xee, 0xc1, 0x9f, 0x23, 0x46, | 
					
						
							|  |  |  |     0x8c, 0x05, 0x0a, 0x14, 0x28, 0x50, 0xa0, 0x5d, | 
					
						
							|  |  |  |     0xba, 0x69, 0xd2, 0xb9, 0x6f, 0xde, 0xa1, 0x5f, | 
					
						
							|  |  |  |     0xbe, 0x61, 0xc2, 0x99, 0x2f, 0x5e, 0xbc, 0x65, | 
					
						
							|  |  |  |     0xca, 0x89, 0x0f, 0x1e, 0x3c, 0x78, 0xf0, 0xfd, | 
					
						
							|  |  |  |     0xe7, 0xd3, 0xbb, 0x6b, 0xd6, 0xb1, 0x7f, 0xfe, | 
					
						
							|  |  |  |     0xe1, 0xdf, 0xa3, 0x5b, 0xb6, 0x71, 0xe2, 0xd9, | 
					
						
							|  |  |  |     0xaf, 0x43, 0x86, 0x11, 0x22, 0x44, 0x88, 0x0d, | 
					
						
							|  |  |  |     0x1a, 0x34, 0x68, 0xd0, 0xbd, 0x67, 0xce, 0x81, | 
					
						
							|  |  |  |     0x1f, 0x3e, 0x7c, 0xf8, 0xed, 0xc7, 0x93, 0x3b, | 
					
						
							|  |  |  |     0x76, 0xec, 0xc5, 0x97, 0x33, 0x66, 0xcc, 0x85, | 
					
						
							|  |  |  |     0x17, 0x2e, 0x5c, 0xb8, 0x6d, 0xda, 0xa9, 0x4f, | 
					
						
							|  |  |  |     0x9e, 0x21, 0x42, 0x84, 0x15, 0x2a, 0x54, 0xa8, | 
					
						
							|  |  |  |     0x4d, 0x9a, 0x29, 0x52, 0xa4, 0x55, 0xaa, 0x49, | 
					
						
							|  |  |  |     0x92, 0x39, 0x72, 0xe4, 0xd5, 0xb7, 0x73, 0xe6, | 
					
						
							|  |  |  |     0xd1, 0xbf, 0x63, 0xc6, 0x91, 0x3f, 0x7e, 0xfc, | 
					
						
							|  |  |  |     0xe5, 0xd7, 0xb3, 0x7b, 0xf6, 0xf1, 0xff, 0xe3, | 
					
						
							|  |  |  |     0xdb, 0xab, 0x4b, 0x96, 0x31, 0x62, 0xc4, 0x95, | 
					
						
							|  |  |  |     0x37, 0x6e, 0xdc, 0xa5, 0x57, 0xae, 0x41, 0x82, | 
					
						
							|  |  |  |     0x19, 0x32, 0x64, 0xc8, 0x8d, 0x07, 0x0e, 0x1c, | 
					
						
							|  |  |  |     0x38, 0x70, 0xe0, 0xdd, 0xa7, 0x53, 0xa6, 0x51, | 
					
						
							|  |  |  |     0xa2, 0x59, 0xb2, 0x79, 0xf2, 0xf9, 0xef, 0xc3, | 
					
						
							|  |  |  |     0x9b, 0x2b, 0x56, 0xac, 0x45, 0x8a, 0x09, 0x12, | 
					
						
							|  |  |  |     0x24, 0x48, 0x90, 0x3d, 0x7a, 0xf4, 0xf5, 0xf7, | 
					
						
							|  |  |  |     0xf3, 0xfb, 0xeb, 0xcb, 0x8b, 0x0b, 0x16, 0x2c, | 
					
						
							|  |  |  |     0x58, 0xb0, 0x7d, 0xfa, 0xe9, 0xcf, 0x83, 0x1b, | 
					
						
							|  |  |  |     0x36, 0x6c, 0xd8, 0xad, 0x47, 0x8e, 0x01, 0x02 | 
					
						
							|  |  |  | }; |