359 lines
22 KiB
C
359 lines
22 KiB
C
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/*
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Copyright (c) 2005-2009, The Musepack Development Team
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the The Musepack Development Team nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/// \file huffman.c
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/// Implementations of sv7/sv8 huffman decoding functions.
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#include "huffman.h"
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// sv7 huffman tables
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static const mpc_huffman mpc_table_HuffHdr [10] = {
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{0x8000, 1, 0}, {0x6000, 3, 1}, {0x5e00, 7, -4}, {0x5d80, 9, 3}, {0x5d00, 9, 4}, {0x5c00, 8, -5}, {0x5800, 6, 2}, {0x5000, 5, -3}, {0x4000, 4, -2}, {0x0, 2, -1}
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};
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mpc_lut_data mpc_HuffHdr = {mpc_table_HuffHdr};
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const mpc_huffman mpc_table_HuffSCFI [4] = {
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{0x8000, 1, 1}, {0x6000, 3, 2}, {0x4000, 3, 0}, {0x0, 2, 3}
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};
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static const mpc_huffman mpc_table_HuffDSCF [16] = {
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{0xf800, 5, 5}, {0xf000, 5, -4}, {0xe000, 4, 3}, {0xd000, 4, -3}, {0xc000, 4, 8}, {0xa000, 3, 1}, {0x9000, 4, 0}, {0x8800, 5, -5}, {0x8400, 6, 7}, {0x8000, 6, -7}, {0x6000, 3, -1}, {0x4000, 3, 2}, {0x3000, 4, 4}, {0x2800, 5, 6}, {0x2000, 5, -6}, {0x0, 3, -2}
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};
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mpc_lut_data mpc_HuffDSCF = {mpc_table_HuffDSCF};
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static const mpc_huffman mpc_table_HuffQ1 [2] [27] = {
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{
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{0xe000, 3, 13}, {0xdc00, 6, 26}, {0xd800, 6, 0}, {0xd400, 6, 20}, {0xd000, 6, 6}, {0xc000, 4, 14}, {0xb000, 4, 12}, {0xa000, 4, 4}, {0x9000, 4, 22}, {0x8c00, 6, 8}, {0x8800, 6, 18}, {0x8400, 6, 24}, {0x8000, 6, 2}, {0x7000, 4, 16}, {0x6000, 4, 10}, {0x5800, 5, 17}, {0x5000, 5, 9}, {0x4800, 5, 1}, {0x4000, 5, 25}, {0x3800, 5, 5}, {0x3000, 5, 21}, {0x2800, 5, 3}, {0x2000, 5, 11}, {0x1800, 5, 15}, {0x1000, 5, 23}, {0x800, 5, 19}, {0x0, 5, 7}
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}, {
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{0x8000, 1, 13}, {0x7e00, 7, 15}, {0x7c00, 7, 1}, {0x7a00, 7, 11}, {0x7800, 7, 7}, {0x7600, 7, 17}, {0x7400, 7, 25}, {0x7200, 7, 19}, {0x7180, 9, 8}, {0x7100, 9, 18}, {0x7080, 9, 2}, {0x7000, 9, 24}, {0x6e00, 7, 3}, {0x6c00, 7, 23}, {0x6a00, 7, 21}, {0x6800, 7, 5}, {0x6700, 8, 0}, {0x6600, 8, 26}, {0x6500, 8, 6}, {0x6400, 8, 20}, {0x6000, 6, 9}, {0x5000, 4, 14}, {0x4000, 4, 12}, {0x3000, 4, 4}, {0x2000, 4, 22}, {0x1000, 4, 16}, {0x0, 4, 10}
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}
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};
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static const mpc_huffman mpc_table_HuffQ2 [2] [25] = {
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{
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{0xf000, 4, 13}, {0xe000, 4, 17}, {0xd000, 4, 7}, {0xc000, 4, 11}, {0xbc00, 6, 1}, {0xb800, 6, 23}, {0xb600, 7, 4}, {0xb400, 7, 20}, {0xb200, 7, 0}, {0xb000, 7, 24}, {0xa800, 5, 22}, {0xa000, 5, 10}, {0x8000, 3, 12}, {0x7800, 5, 2}, {0x7000, 5, 14}, {0x6000, 4, 6}, {0x5000, 4, 18}, {0x4000, 4, 8}, {0x3000, 4, 16}, {0x2800, 5, 9}, {0x2000, 5, 5}, {0x1800, 5, 15}, {0x1000, 5, 21}, {0x800, 5, 19}, {0x0, 5, 3}
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}, {
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{0xf800, 5, 18}, {0xf000, 5, 6}, {0xe800, 5, 8}, {0xe700, 8, 3}, {0xe6c0, 10, 24}, {0xe680, 10, 4}, {0xe640, 10, 0}, {0xe600, 10, 20}, {0xe400, 7, 23}, {0xe200, 7, 1}, {0xe000, 7, 19}, {0xd800, 5, 16}, {0xd600, 7, 15}, {0xd400, 7, 21}, {0xd200, 7, 9}, {0xd000, 7, 5}, {0xcc00, 6, 2}, {0xc800, 6, 10}, {0xc400, 6, 14}, {0xc000, 6, 22}, {0x8000, 2, 12}, {0x6000, 3, 13}, {0x4000, 3, 17}, {0x2000, 3, 11}, {0x0, 3, 7}
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}
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};
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static const mpc_huffman mpc_table_HuffQ3 [2] [7] = {
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{
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{0xe000, 3, 1}, {0xd000, 4, 3}, {0xc000, 4, -3}, {0xa000, 3, 2}, {0x8000, 3, -2}, {0x4000, 2, 0}, {0x0, 2, -1}
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}, {
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{0xc000, 2, 0}, {0x8000, 2, -1}, {0x4000, 2, 1}, {0x3000, 4, -2}, {0x2800, 5, 3}, {0x2000, 5, -3}, {0x0, 3, 2}
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}
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};
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static const mpc_huffman mpc_table_HuffQ4 [2] [9] = {
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{
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{0xe000, 3, 0}, {0xc000, 3, -1}, {0xa000, 3, 1}, {0x8000, 3, -2}, {0x6000, 3, 2}, {0x5000, 4, -4}, {0x4000, 4, 4}, {0x2000, 3, 3}, {0x0, 3, -3}
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}, {
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{0xe000, 3, 1}, {0xd000, 4, 2}, {0xc000, 4, -3}, {0x8000, 2, 0}, {0x6000, 3, -2}, {0x5000, 4, 3}, {0x4800, 5, -4}, {0x4000, 5, 4}, {0x0, 2, -1}
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}
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};
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static const mpc_huffman mpc_table_HuffQ5 [2] [15] = {
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{
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{0xf000, 4, 2}, {0xe800, 5, 5}, {0xe400, 6, -7}, {0xe000, 6, 7}, {0xd000, 4, -3}, {0xc000, 4, 3}, {0xb800, 5, -6}, {0xb000, 5, 6}, {0xa000, 4, -4}, {0x9000, 4, 4}, {0x8000, 4, -5}, {0x6000, 3, 0}, {0x4000, 3, -1}, {0x2000, 3, 1}, {0x0, 3, -2}
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}, {
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{0xf000, 4, 3}, {0xe800, 5, 4}, {0xe600, 7, 6}, {0xe500, 8, -7}, {0xe400, 8, 7}, {0xe000, 6, -6}, {0xc000, 3, 0}, {0xa000, 3, -1}, {0x8000, 3, 1}, {0x6000, 3, -2}, {0x4000, 3, 2}, {0x3800, 5, -5}, {0x3000, 5, 5}, {0x2000, 4, -4}, {0x0, 3, -3}
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}
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};
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static const mpc_huffman mpc_table_HuffQ6 [2] [31] = {
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{
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{0xf800, 5, 3}, {0xf000, 5, -4}, {0xec00, 6, -11}, {0xe800, 6, 12}, {0xe000, 5, 4}, {0xd800, 5, 6}, {0xd000, 5, -5}, {0xc800, 5, 5}, {0xc000, 5, 7}, {0xb800, 5, -7}, {0xb400, 6, -12}, {0xb000, 6, -13}, {0xa800, 5, -6}, {0xa000, 5, 8}, {0x9800, 5, -8}, {0x9000, 5, 9}, {0x8800, 5, -9}, {0x8400, 6, 13}, {0x8200, 7, -15}, {0x8000, 7, 15}, {0x7000, 4, 0}, {0x6800, 5, -10}, {0x6000, 5, 10}, {0x5000, 4, -1}, {0x4000, 4, 2}, {0x3000, 4, 1}, {0x2000, 4, -2}, {0x1c00, 6, 14}, {0x1800, 6, -14}, {0x1000, 5, 11}, {0x0, 4, -3}
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}, {
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{0xf800, 5, -6}, {0xf000, 5, 6}, {0xe000, 4, 1}, {0xd000, 4, -1}, {0xce00, 7, 10}, {0xcc00, 7, -10}, {0xcb00, 8, -11}, {0xca80, 9, -12}, {0xca60, 11, 13}, {0xca58, 13, 15}, {0xca50, 13, -14}, {0xca48, 13, 14}, {0xca40, 13, -15}, {0xca00, 10, -13}, {0xc900, 8, 11}, {0xc800, 8, 12}, {0xc400, 6, -9}, {0xc000, 6, 9}, {0xb000, 4, -2}, {0xa000, 4, 2}, {0x9000, 4, 3}, {0x8000, 4, -3}, {0x7800, 5, -7}, {0x7000, 5, 7}, {0x6000, 4, -4}, {0x5000, 4, 4}, {0x4800, 5, -8}, {0x4000, 5, 8}, {0x3000, 4, 5}, {0x2000, 4, -5}, {0x0, 3, 0}
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}
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};
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static const mpc_huffman mpc_table_HuffQ7 [2] [63] = {
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{
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{0xfc00, 6, 7}, {0xf800, 6, 8}, {0xf400, 6, 9}, {0xf000, 6, -8}, {0xec00, 6, 11}, {0xea00, 7, 21}, {0xe900, 8, -28}, {0xe800, 8, 28}, {0xe400, 6, -9}, {0xe200, 7, -22}, {0xe000, 7, -21}, {0xdc00, 6, -10}, {0xd800, 6, -11}, {0xd400, 6, 10}, {0xd000, 6, 12}, {0xcc00, 6, -13}, {0xca00, 7, 22}, {0xc800, 7, 23}, {0xc400, 6, -12}, {0xc000, 6, 13}, {0xbc00, 6, 14}, {0xb800, 6, -14}, {0xb600, 7, -23}, {0xb500, 8, -29}, {0xb400, 8, 29}, {0xb000, 6, -15}, {0xac00, 6, 15}, {0xa800, 6, 16}, {0xa400, 6, -16}, {0xa200, 7, -24}, {0xa000, 7, 24}, {0x9c00, 6, 17}, {0x9a00, 7, -25}, {0x9900, 8, -30}, {0x9800, 8, 30}, {0x9400, 6, -17}, {0x9000, 6, 18}, {0x8c00, 6, -18}, {0x8a00, 7, 25}, {0x8800, 7, 26}, {0x8400, 6, 19}, {0x8200, 7, -26}, {0x8000, 7, -27}, {0x7800, 5, 2}, {0x7400, 6, -19}, {0x7000, 6, 20}, {0x6800, 5, -1}, {0x6700, 8, -31}, {0x6600, 8, 31}, {0x6400, 7, 27}, {0x6000, 6, -20}, {0x5800, 5, 1}, {0x5000, 5, -5}, {0x4800, 5, -3}, {0x4000, 5, 3}, {0x3800, 5, 0}, {0x3000, 5, -2}, {0x2800, 5, -4}, {0x2000, 5, 4}, {0x1800, 5, 5}, {0x1000, 5, -6}, {0x800, 5, 6}, {0x0, 5, -7}
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}, {
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{0xf800, 5, -1}, {0xf000, 5, 2}, {0xe800, 5, -2}, {0xe000, 5, 3}, {0xdf00, 8, -20}, {0xdec0, 10, 24}, {0xdebc, 14, 28}, {0xdeb8, 14, -28}, {0xdeb4, 14, -30}, {0xdeb0, 14, 30}, {0xdea0, 12, -27}, {0xde9c, 14, 29}, {0xde98, 14, -29}, {0xde94, 14, 31}, {0xde90, 14, -31}, {0xde80, 12, 27}, {0xde00, 9, -22}, {0xdc00, 7, -17}, {0xd800, 6, -11}, {0xd000, 5, -3}, {0xc800, 5, 4}, {0xc000, 5, -4}, {0xbe00, 7, 17}, {0xbd00, 8, 20}, {0xbc80, 9, 22}, {0xbc40, 10, -25}, {0xbc00, 10, -26}, {0xb800, 6, 12}, {0xb000, 5, 5}, {0xa800, 5, -5}, {0xa000, 5, 6}, {0x9800, 5, -6}, {0x9400, 6, -12}, {0x9200, 7, -18}, {0x9000, 7, 18}, {0x8c00, 6, 13}, {0x8800, 6, -13}, {0x8000, 5, -7}, {0x7c00, 6, 14}, {0x7b00, 8, 21}, {0x7a00, 8, -21}, {0x7800, 7, -19}, {0x7000, 5, 7}, {0x6800, 5, 8}, {0x6400, 6, -14}, {0x6000, 6, -15}, {0x5800, 5, -8}, {0x5400, 6, 15}, {0x5200, 7, 19}, {0x51c0, 10, 25}, {0x5180, 10, 26}, {0x5100, 9, -23}, {0x5080, 9, 23}, {0x5000, 9, -24}, {0x4800, 5, -9}, {0x4000, 5, 9}, {0x3c00, 6, 16}, {0x3800, 6, -16}, {0x3000, 5, 10}, {0x2000, 4, 0}, {0x1800, 5, -10}, {0x1000, 5, 11}, {0x0, 4, 1}
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}
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};
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mpc_lut_data mpc_HuffQ [7] [2] = {
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{{mpc_table_HuffQ1[0]}, {mpc_table_HuffQ1[1]}},
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{{mpc_table_HuffQ2[0]}, {mpc_table_HuffQ2[1]}},
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{{mpc_table_HuffQ3[0]}, {mpc_table_HuffQ3[1]}},
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{{mpc_table_HuffQ4[0]}, {mpc_table_HuffQ4[1]}},
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{{mpc_table_HuffQ5[0]}, {mpc_table_HuffQ5[1]}},
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{{mpc_table_HuffQ6[0]}, {mpc_table_HuffQ6[1]}},
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{{mpc_table_HuffQ7[0]}, {mpc_table_HuffQ7[1]}}
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};
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// sv8 huffman tables
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static const mpc_huffman mpc_huff_SCFI_1 [3] = {
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{0x8000, 1, 1}, {0x4000, 2, 2}, {0x0, 3, 3}
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}; // 3
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static const mpc_int8_t mpc_sym_SCFI_1 [4] = {
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2, 3, 1, 0
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};
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static const mpc_huffman mpc_huff_SCFI_2 [5] = {
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{0x8000, 2, 3}, {0x4000, 3, 5}, {0x1800, 5, 11}, {0x400, 6, 14}, {0x0, 7, 15}
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}; // 5
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static const mpc_int8_t mpc_sym_SCFI_2 [16] = {
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15, 10, 14, 11, 13, 9, 7, 6, 5, 12, 8, 3, 2, 0, 4, 1
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};
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mpc_can_data mpc_can_SCFI[2] = {{mpc_huff_SCFI_1, mpc_sym_SCFI_1}, {mpc_huff_SCFI_2, mpc_sym_SCFI_2}};
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static const mpc_huffman mpc_huff_DSCF_1 [12] = {
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{0xa000, 3, 7}, {0x4000, 4, 12}, {0x2800, 5, 16}, {0x1800, 6, 21}, {0xe00, 7, 27}, {0x700, 8, 34}, {0x380, 9, 41}, {0x140, 10, 48}, {0x80, 11, 53}, {0x30, 12, 57}, {0x18, 13, 60}, {0x0, 14, 63}
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}; // 12
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static const mpc_int8_t mpc_sym_DSCF_1 [64] = {
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35, 34, 33, 36, 32, 30, 29, 27, 26, 37, 28, 25, 39, 38, 24, 23, 40, 22, 21, 20, 19, 43, 42, 41, 18, 17, 16, 15, 46, 45, 44, 14, 13, 12, 11, 49, 48, 47, 31, 10, 9, 8, 7, 6, 52, 51, 50, 5, 4, 3, 54, 53, 2, 1, 0, 57, 56, 55, 63, 62, 61, 60, 59, 58
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};
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static const mpc_huffman mpc_huff_DSCF_2 [13] = {
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{0x6000, 3, 7}, {0x3000, 4, 10}, {0x1800, 5, 13}, {0x1000, 6, 16}, {0xa00, 7, 20}, {0x600, 8, 25}, {0x380, 9, 31}, {0x1c0, 10, 38}, {0xe0, 11, 45}, {0x50, 12, 52}, {0x20, 13, 57}, {0xc, 14, 61}, {0x0, 15, 64}
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}; // 13
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static const mpc_int8_t mpc_sym_DSCF_2 [65] = {
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33, 32, 31, 30, 29, 34, 28, 27, 36, 35, 26, 37, 25, 38, 24, 23, 40, 39, 22, 21, 42, 41, 20, 19, 18, 45, 44, 43, 17, 16, 15, 14, 48, 47, 46, 13, 12, 11, 10, 64, 52, 51, 50, 49, 9, 8, 7, 6, 55, 54, 53, 5, 4, 3, 58, 57, 56, 2, 1, 63, 62, 61, 60, 59, 0
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};
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mpc_can_data mpc_can_DSCF[2] = {{mpc_huff_DSCF_1, mpc_sym_DSCF_1}, {mpc_huff_DSCF_2, mpc_sym_DSCF_2}};
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static const mpc_huffman mpc_huff_Bands [12] = {
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{0x8000, 1, 1}, {0x4000, 2, 2}, {0x2000, 3, 3}, {0x1000, 5, 6}, {0x800, 6, 8}, {0x600, 7, 10}, {0x300, 8, 13}, {0x200, 9, 16}, {0x140, 10, 20}, {0xc0, 11, 25}, {0x10, 12, 31}, {0x0, 13, 32}
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}; // 12
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static const mpc_int8_t mpc_sym_Bands [33] = {
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0, 32, 1, 31, 2, 30, 3, 4, 29, 6, 5, 28, 7, 27, 26, 8, 25, 24, 23, 9, 22, 21, 20, 18, 17, 16, 15, 14, 12, 11, 10, 19, 13
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};
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mpc_can_data mpc_can_Bands = {mpc_huff_Bands, mpc_sym_Bands};
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static const mpc_huffman mpc_huff_Res_1 [16] = {
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{0x8000, 1, 1}, {0x4000, 2, 2}, {0x2000, 3, 3}, {0x1000, 4, 4}, {0x800, 5, 5}, {0x400, 6, 6}, {0x200, 7, 7}, {0x100, 8, 8}, {0x80, 9, 9}, {0x40, 10, 10}, {0x20, 11, 11}, {0x10, 12, 12}, {0x8, 13, 13}, {0x4, 14, 14}, {0x2, 15, 15}, {0x0, 16, 16}
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|
|
}; // 16
|
||
|
|
static const mpc_int8_t mpc_sym_Res_1 [17] = {
|
||
|
|
0, 1, 16, 2, 3, 4, 5, 15, 6, 7, 8, 9, 10, 11, 12, 14, 13
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Res_2 [12] = {
|
||
|
|
{0x4000, 2, 3}, {0x2000, 3, 4}, {0x1000, 4, 5}, {0x800, 5, 6}, {0x400, 6, 7}, {0x200, 7, 8}, {0x100, 8, 9}, {0x80, 9, 10}, {0x40, 10, 11}, {0x20, 11, 12}, {0x10, 12, 13}, {0x0, 14, 16}
|
||
|
|
}; // 12
|
||
|
|
static const mpc_int8_t mpc_sym_Res_2 [17] = {
|
||
|
|
16, 1, 0, 2, 15, 3, 14, 4, 5, 13, 6, 12, 7, 11, 10, 9, 8
|
||
|
|
};
|
||
|
|
mpc_can_data mpc_can_Res[2] = {{mpc_huff_Res_1, mpc_sym_Res_1}, {mpc_huff_Res_2, mpc_sym_Res_2}};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q1 [10] = {
|
||
|
|
{0x6000, 3, 7}, {0x1000, 4, 10}, {0x800, 5, 11}, {0x400, 6, 12}, {0x200, 7, 13}, {0x100, 8, 14}, {0x80, 9, 15}, {0x40, 10, 16}, {0x20, 11, 17}, {0x0, 12, 18}
|
||
|
|
}; // 10
|
||
|
|
static const mpc_int8_t mpc_sym_Q1 [19] = {
|
||
|
|
7, 6, 5, 4, 3, 10, 9, 8, 2, 1, 11, 0, 12, 13, 14, 15, 16, 18, 17
|
||
|
|
};
|
||
|
|
mpc_can_data mpc_can_Q1 = {mpc_huff_Q1, mpc_sym_Q1};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q2_1 [10] = {
|
||
|
|
{0xe000, 3, 7}, {0x8000, 4, 14}, {0x3c00, 6, 38}, {0x2a00, 7, 53}, {0x1200, 8, 74}, {0x600, 9, 92}, {0x3c0, 10, 104}, {0x60, 11, 119}, {0x20, 12, 122}, {0x0, 13, 124}
|
||
|
|
}; // 10
|
||
|
|
static const mpc_int8_t mpc_sym_Q2_1 [125] = {
|
||
|
|
62, 87, 67, 63, 61, 57, 37, 93, 92, 88, 86, 83, 82, 81, 68, 66, 58, 56, 42, 41, 38, 36, 32, 31, 112, 91, 72, 64, 60, 52, 43, 33, 12, 117, 113, 111, 107, 97, 89, 85, 77, 73, 71, 69, 65, 59, 55, 53, 51, 47, 39, 35, 27, 17, 13, 11, 7, 118, 116, 108, 106, 98, 96, 94, 90, 84, 80, 78, 76, 48, 46, 44, 40, 34, 30, 28, 26, 18, 16, 8, 6, 122, 110, 102, 74, 70, 54, 50, 22, 2, 123, 121, 119, 115, 114, 109, 105, 103, 101, 99, 95, 79, 75, 49, 45, 29, 25, 23, 21, 19, 15, 14, 10, 9, 5, 3, 1, 124, 104, 20, 0, 120, 100, 24, 4
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Q2_2 [9] = {
|
||
|
|
{0xf000, 4, 15}, {0x7000, 5, 30}, {0x4800, 6, 44}, {0x3c00, 7, 62}, {0xc00, 8, 92}, {0x780, 9, 104}, {0xc0, 10, 119}, {0x40, 11, 122}, {0x0, 12, 124}
|
||
|
|
}; // 9
|
||
|
|
static const mpc_int8_t mpc_sym_Q2_2 [125] = {
|
||
|
|
62, 92, 87, 86, 82, 68, 67, 66, 63, 61, 58, 57, 56, 42, 38, 37, 32, 93, 91, 88, 83, 81, 43, 41, 36, 33, 31, 112, 72, 64, 60, 52, 12, 118, 117, 116, 113, 111, 108, 107, 106, 98, 97, 96, 94, 90, 89, 85, 84, 80, 78, 77, 76, 73, 71, 69, 65, 59, 55, 53, 51, 48, 47, 46, 44, 40, 39, 35, 34, 30, 28, 27, 26, 18, 17, 16, 13, 11, 8, 7, 6, 122, 110, 74, 70, 54, 50, 22, 14, 2, 123, 121, 119, 115, 114, 109, 105, 103, 102, 101, 99, 95, 79, 75, 49, 45, 29, 25, 23, 21, 19, 15, 10, 9, 5, 3, 1, 124, 104, 20, 0, 120, 100, 24, 4
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q3 [7] = {
|
||
|
|
{0xe000, 3, 7}, {0x8000, 4, 14}, {0x5000, 5, 22}, {0x2400, 6, 32}, {0xa00, 7, 41}, {0x200, 8, 46}, {0x0, 9, 48}
|
||
|
|
}; // 7
|
||
|
|
static const mpc_int8_t mpc_sym_Q3 [49] = {
|
||
|
|
0, 17, 16, 1, 15, -16, -1, 32, 31, 2, 14, -15, -32, 34, 33, 47, 46, 18, 30, -14, -2, -31, -17, -18, 49, 48, 63, 19, 29, 3, 13, -13, -3, -30, -47, -48, -33, 50, 62, 35, 45, -29, -19, -46, -34, 51, 61, -45, -35
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q4 [8] = {
|
||
|
|
{0xf000, 4, 15}, {0x9000, 5, 30}, {0x3400, 6, 48}, {0x1800, 7, 61}, {0x500, 8, 73}, {0x100, 9, 78}, {0x0, 10, 80}, {0x0, 0, 90}
|
||
|
|
}; // 8
|
||
|
|
static const mpc_int8_t mpc_sym_Q4 [91] = {
|
||
|
|
0, 32, 17, 16, 31, 2, 1, 15, 14, -15, -16, -1, -32, 49, 48, 34, 33, 47, 46, 19, 18, 30, 29, 3, 13, -13, -14, -2, -3, -30, -31, -17, -18, -47, -48, -33, 64, 50, 63, 62, 35, 45, 4, 12, -29, -19, -46, -34, -64, -49, 66, 65, 79, 78, 51, 61, 36, 44, 20, 28, -12, -4, -28, -20, -45, -35, -62, -63, -50, 67, 77, 52, 60, -44, -36, -61, -51, 68, 76, -60, -52, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q5_1 [6] = {
|
||
|
|
{0xc000, 2, 3}, {0x4000, 3, 6}, {0x2000, 4, 8}, {0x1000, 5, 10}, {0x800, 6, 12}, {0x0, 7, 14}
|
||
|
|
}; // 6
|
||
|
|
static const mpc_int8_t mpc_sym_Q5_1 [15] = {
|
||
|
|
0, 2, 1, -1, -2, 3, -3, 4, -4, 5, -5, 7, 6, -6, -7
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Q5_2 [4] = {
|
||
|
|
{0x6000, 3, 7}, {0x2000, 4, 10}, {0x1000, 5, 12}, {0x0, 6, 14}
|
||
|
|
}; // 4
|
||
|
|
static const mpc_int8_t mpc_sym_Q5_2 [15] = {
|
||
|
|
2, 1, 0, -1, -2, 4, 3, -3, -4, 5, -5, 7, 6, -6, -7
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q6_1 [8] = {
|
||
|
|
{0xc000, 2, 3}, {0x8000, 3, 6}, {0x4000, 4, 10}, {0x2800, 5, 14}, {0xc00, 6, 19}, {0x800, 7, 22}, {0x400, 8, 26}, {0x0, 9, 30}
|
||
|
|
}; // 8
|
||
|
|
static const mpc_int8_t mpc_sym_Q6_1 [31] = {
|
||
|
|
0, 1, -1, 3, 2, -2, -3, 4, -4, -5, 8, 7, 6, 5, -6, -7, -8, 9, -9, 11, 10, -10, -11, 15, 14, 13, 12, -12, -13, -14, -15
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Q6_2 [5] = {
|
||
|
|
{0x5000, 4, 15}, {0x2000, 5, 20}, {0x1000, 6, 24}, {0x400, 7, 28}, {0x0, 8, 30}
|
||
|
|
}; // 5
|
||
|
|
static const mpc_int8_t mpc_sym_Q6_2 [31] = {
|
||
|
|
5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, 8, 7, 6, -6, -7, -8, 10, 9, -9, -10, 13, 12, 11, -11, -12, -13, 15, 14, -14, -15
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q7_1 [9] = {
|
||
|
|
{0xc000, 2, 3}, {0x8000, 3, 6}, {0x6000, 4, 10}, {0x4000, 5, 16}, {0x2800, 6, 24}, {0x1400, 7, 34}, {0xa00, 8, 44}, {0x400, 9, 54}, {0x0, 10, 62}
|
||
|
|
}; // 9
|
||
|
|
static const mpc_int8_t mpc_sym_Q7_1 [63] = {
|
||
|
|
0, 1, -1, 2, -2, 4, 3, -3, -4, 7, 6, 5, -5, -6, -7, 13, 11, 10, 9, 8, -8, -9, -10, -11, -12, 17, 16, 15, 14, 12, -13, -14, -15, -16, -17, 28, 27, 21, 20, 19, 18, -18, -19, -20, -21, -27, -28, 31, 30, 29, 26, 25, 24, 23, 22, -22, -23, -24, -25, -26, -29, -30, -31
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Q7_2 [5] = {
|
||
|
|
{0x6000, 5, 31}, {0x2400, 6, 43}, {0x1000, 7, 52}, {0x200, 8, 60}, {0x0, 9, 62}
|
||
|
|
}; // 5
|
||
|
|
static const mpc_int8_t mpc_sym_Q7_2 [63] = {
|
||
|
|
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, 17, 16, 15, 14, 13, 12, 11, -10, -11, -12, -13, -14, -15, -16, -17, 22, 21, 20, 19, 18, -18, -19, -20, -21, -22, 29, 28, 27, 26, 25, 24, 23, -23, -24, -25, -26, -27, -28, -29, 31, 30, -30, -31
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q8_1 [11] = {
|
||
|
|
{0xc000, 2, 3}, {0x8000, 3, 6}, {0x7000, 4, 10}, {0x5800, 5, 17}, {0x3800, 6, 28}, {0x2800, 7, 42}, {0x1900, 8, 62}, {0xd00, 9, 87}, {0x280, 10, 113}, {0x60, 11, 123}, {0x0, 12, 126}
|
||
|
|
}; // 11
|
||
|
|
static const mpc_int8_t mpc_sym_Q8_1 [127] = {
|
||
|
|
0, 1, -1, -2, 3, 2, -3, 7, 6, 5, 4, -4, -5, -6, -7, 11, 10, 9, 8, -8, -9, -10, -11, 19, 18, 17, 16, 15, 14, 13, 12, -12, -13, -14, -15, -16, -17, -19, 56, 55, 31, 28, 27, 26, 25, 24, 23, 22, 21, 20, -18, -20, -21, -22, -23, -24, -25, -26, -27, -33, -54, -56, 63, 62, 61, 60, 59, 58, 57, 54, 53, 43, 40, 39, 38, 37, 36, 35, 34, 33, 32, 30, 29, -28, -29, -30, -31, -32, -34, -35, -36, -37, -38, -39, -40, -41, -43, -53, -55, -57, -58, -59, -60, -61, 49, 47, 46, 45, 44, 42, 41, -42, -44, -45, -46, -47, -48, -49, -50, -62, -63, 52, 51, 50, 48, -51, -52
|
||
|
|
};
|
||
|
|
static const mpc_huffman mpc_huff_Q8_2 [4] = {
|
||
|
|
{0x9800, 6, 63}, {0x2a00, 7, 101}, {0x400, 8, 122}, {0x0, 9, 126}
|
||
|
|
}; // 4
|
||
|
|
static const mpc_int8_t mpc_sym_Q8_2 [127] = {
|
||
|
|
13, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 12, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52, -53, -54, -55, -56, -57, -58, -59, 63, 62, 61, 60, -60, -61, -62, -63
|
||
|
|
};
|
||
|
|
|
||
|
|
static const mpc_huffman mpc_huff_Q9up [6] = {
|
||
|
|
{0xf800, 6, 63}, {0xac00, 7, 125}, {0x2600, 8, -45}, {0x280, 9, -7}, {0x40, 10, -2}, {0x0, 11, -1}
|
||
|
|
}; // 6
|
||
|
|
static const mpc_int8_t mpc_sym_Q9up [256] = {
|
||
|
|
-128, 127, -108, -110, -111, -112, -113, -114, -115, -116, -117, -118, -119, -120, -121, -122, -123, -124, -125, -126, -127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, 109, 108, -44, -45, -46, -47, -48, -49, -50, -51, -52, -53, -54, -55, -56, -57, -58, -59, -60, -61, -62, -63, -64, -65, -66, -67, -68, -69, -70, -71, -72, -73, -74, -75, -76, -77, -78, -79, -80, -81, -82, -83, -84, -85, -86, -87, -88, -89, -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, -100, -101, -102, -103, -104, -105, -106, -107, -109, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 40, 20, 19, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43, 41, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, -3, -4, -5, -6, 4, 3, 2, 1, 0, -1, -2
|
||
|
|
};
|
||
|
|
mpc_can_data mpc_can_Q9up = {mpc_huff_Q9up, mpc_sym_Q9up};
|
||
|
|
|
||
|
|
|
||
|
|
mpc_can_data mpc_can_Q [6][2] = {
|
||
|
|
{{mpc_huff_Q2_1, mpc_sym_Q2_1}, {mpc_huff_Q2_2, mpc_sym_Q2_2}},
|
||
|
|
{{mpc_huff_Q3, mpc_sym_Q3}, {mpc_huff_Q4, mpc_sym_Q4}},
|
||
|
|
{{mpc_huff_Q5_1, mpc_sym_Q5_1}, {mpc_huff_Q5_2, mpc_sym_Q5_2}},
|
||
|
|
{{mpc_huff_Q6_1, mpc_sym_Q6_1}, {mpc_huff_Q6_2, mpc_sym_Q6_2}},
|
||
|
|
{{mpc_huff_Q7_1, mpc_sym_Q7_1}, {mpc_huff_Q7_2, mpc_sym_Q7_2}},
|
||
|
|
{{mpc_huff_Q8_1, mpc_sym_Q8_1}, {mpc_huff_Q8_2, mpc_sym_Q8_2}}
|
||
|
|
};
|
||
|
|
|
||
|
|
static void huff_fill_lut(const mpc_huffman * table, mpc_huff_lut * lut, const int bits)
|
||
|
|
{
|
||
|
|
int i, idx = 0;
|
||
|
|
const int shift = 16 - bits;
|
||
|
|
for (i = (1 << bits) - 1; i >= 0 ; i--) {
|
||
|
|
if ((table[idx].Code >> shift) < i) {
|
||
|
|
lut[i].Length = table[idx].Length;
|
||
|
|
lut[i].Value = table[idx].Value;
|
||
|
|
} else {
|
||
|
|
if (table[idx].Length <= bits) {
|
||
|
|
lut[i].Length = table[idx].Length;
|
||
|
|
lut[i].Value = table[idx].Value;
|
||
|
|
} else {
|
||
|
|
lut[i].Length = 0;
|
||
|
|
lut[i].Value = idx;
|
||
|
|
}
|
||
|
|
if (i != 0)
|
||
|
|
do {
|
||
|
|
idx++;
|
||
|
|
} while ((table[idx].Code >> shift) == i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void can_fill_lut(mpc_can_data * data, const int bits)
|
||
|
|
{
|
||
|
|
int i, idx = 0;
|
||
|
|
const int shift = 16 - bits;
|
||
|
|
const mpc_huffman * table = data->table;
|
||
|
|
const mpc_int8_t * sym = data->sym;
|
||
|
|
mpc_huff_lut * lut = data->lut;
|
||
|
|
for (i = (1 << bits) - 1; i >= 0 ; i--) {
|
||
|
|
if ((table[idx].Code >> shift) < i) {
|
||
|
|
if (table[idx].Length <= bits) {
|
||
|
|
lut[i].Length = table[idx].Length;
|
||
|
|
lut[i].Value = sym[(table[idx].Value - (i >> (bits - table[idx].Length))) & 0xFF];
|
||
|
|
} else {
|
||
|
|
lut[i].Length = 0;
|
||
|
|
lut[i].Value = idx;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (table[idx].Length <= bits) {
|
||
|
|
lut[i].Length = table[idx].Length;
|
||
|
|
lut[i].Value = sym[(table[idx].Value - (i >> (bits - table[idx].Length))) & 0xFF];
|
||
|
|
} else {
|
||
|
|
lut[i].Length = 0;
|
||
|
|
lut[i].Value = idx;
|
||
|
|
}
|
||
|
|
if (i != 0)
|
||
|
|
do {
|
||
|
|
idx++;
|
||
|
|
} while ((table[idx].Code >> shift) == i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void huff_init_lut(const int bits)
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
huff_fill_lut(mpc_HuffDSCF.table, mpc_HuffDSCF.lut, bits);
|
||
|
|
huff_fill_lut(mpc_HuffHdr.table, mpc_HuffHdr.lut, bits);
|
||
|
|
|
||
|
|
can_fill_lut(&mpc_can_SCFI[0], bits);
|
||
|
|
can_fill_lut(&mpc_can_SCFI[1], bits);
|
||
|
|
can_fill_lut(&mpc_can_DSCF[0], bits);
|
||
|
|
can_fill_lut(&mpc_can_DSCF[1], bits);
|
||
|
|
can_fill_lut(&mpc_can_Res[0], bits);
|
||
|
|
can_fill_lut(&mpc_can_Res[1], bits);
|
||
|
|
can_fill_lut(&mpc_can_Q1, bits);
|
||
|
|
can_fill_lut(&mpc_can_Q9up, bits);
|
||
|
|
|
||
|
|
|
||
|
|
for( i = 0; i < 7; i++){
|
||
|
|
for( j = 0; j < 2; j++){
|
||
|
|
if (i != 6) can_fill_lut(&mpc_can_Q[i][j], bits);
|
||
|
|
huff_fill_lut(mpc_HuffQ[i][j].table, mpc_HuffQ[i][j].lut, bits);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|