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/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2019, ITU/ISO/IEC
Karsten Suehring
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file Contexts.cpp
* \brief Classes providing probability descriptions and contexts (also contains context initialization values)
*/
#include "Contexts.h"
#include <algorithm>
#include <cstring>
#include <limits>
Karsten Suehring
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const uint8_t ProbModelTables::m_NextState[128][2] =
{
{ 2, 1 },{ 0, 3 },{ 4, 0 },{ 1, 5 },{ 6, 2 },{ 3, 7 },{ 8, 4 },{ 5, 9 },
{ 10, 4 },{ 5, 11 },{ 12, 8 },{ 9, 13 },{ 14, 8 },{ 9, 15 },{ 16, 10 },{ 11, 17 },
{ 18, 12 },{ 13, 19 },{ 20, 14 },{ 15, 21 },{ 22, 16 },{ 17, 23 },{ 24, 18 },{ 19, 25 },
{ 26, 18 },{ 19, 27 },{ 28, 22 },{ 23, 29 },{ 30, 22 },{ 23, 31 },{ 32, 24 },{ 25, 33 },
{ 34, 26 },{ 27, 35 },{ 36, 26 },{ 27, 37 },{ 38, 30 },{ 31, 39 },{ 40, 30 },{ 31, 41 },
{ 42, 32 },{ 33, 43 },{ 44, 32 },{ 33, 45 },{ 46, 36 },{ 37, 47 },{ 48, 36 },{ 37, 49 },
{ 50, 38 },{ 39, 51 },{ 52, 38 },{ 39, 53 },{ 54, 42 },{ 43, 55 },{ 56, 42 },{ 43, 57 },
{ 58, 44 },{ 45, 59 },{ 60, 44 },{ 45, 61 },{ 62, 46 },{ 47, 63 },{ 64, 48 },{ 49, 65 },
{ 66, 48 },{ 49, 67 },{ 68, 50 },{ 51, 69 },{ 70, 52 },{ 53, 71 },{ 72, 52 },{ 53, 73 },
{ 74, 54 },{ 55, 75 },{ 76, 54 },{ 55, 77 },{ 78, 56 },{ 57, 79 },{ 80, 58 },{ 59, 81 },
{ 82, 58 },{ 59, 83 },{ 84, 60 },{ 61, 85 },{ 86, 60 },{ 61, 87 },{ 88, 60 },{ 61, 89 },
{ 90, 62 },{ 63, 91 },{ 92, 64 },{ 65, 93 },{ 94, 64 },{ 65, 95 },{ 96, 66 },{ 67, 97 },
{ 98, 66 },{ 67, 99 },{ 100, 66 },{ 67,101 },{ 102, 68 },{ 69,103 },{ 104, 68 },{ 69,105 },
{ 106, 70 },{ 71,107 },{ 108, 70 },{ 71,109 },{ 110, 70 },{ 71,111 },{ 112, 72 },{ 73,113 },
{ 114, 72 },{ 73,115 },{ 116, 72 },{ 73,117 },{ 118, 74 },{ 75,119 },{ 120, 74 },{ 75,121 },
{ 122, 74 },{ 75,123 },{ 124, 76 },{ 77,125 },{ 124, 76 },{ 77,125 },{ 126,126 },{ 127,127 }
};
const uint32_t ProbModelTables::m_EstFracBits[128] =
{
0x07b23, 0x085f9, 0x074a0, 0x08cbc, 0x06ee4, 0x09354, 0x067f4, 0x09c1b, 0x060b0, 0x0a62a, 0x05a9c, 0x0af5b, 0x0548d, 0x0b955, 0x04f56, 0x0c2a9,
0x04a87, 0x0cbf7, 0x045d6, 0x0d5c3, 0x04144, 0x0e01b, 0x03d88, 0x0e937, 0x039e0, 0x0f2cd, 0x03663, 0x0fc9e, 0x03347, 0x10600, 0x03050, 0x10f95,
0x02d4d, 0x11a02, 0x02ad3, 0x12333, 0x0286e, 0x12cad, 0x02604, 0x136df, 0x02425, 0x13f48, 0x021f4, 0x149c4, 0x0203e, 0x1527b, 0x01e4d, 0x15d00,
0x01c99, 0x166de, 0x01b18, 0x17017, 0x019a5, 0x17988, 0x01841, 0x18327, 0x016df, 0x18d50, 0x015d9, 0x19547, 0x0147c, 0x1a083, 0x0138e, 0x1a8a3,
0x01251, 0x1b418, 0x01166, 0x1bd27, 0x01068, 0x1c77b, 0x00f7f, 0x1d18e, 0x00eda, 0x1d91a, 0x00e19, 0x1e254, 0x00d4f, 0x1ec9a, 0x00c90, 0x1f6e0,
0x00c01, 0x1fef8, 0x00b5f, 0x208b1, 0x00ab6, 0x21362, 0x00a15, 0x21e46, 0x00988, 0x2285d, 0x00934, 0x22ea8, 0x008a8, 0x239b2, 0x0081d, 0x24577,
0x007c9, 0x24ce6, 0x00763, 0x25663, 0x00710, 0x25e8f, 0x006a0, 0x26a26, 0x00672, 0x26f23, 0x005e8, 0x27ef8, 0x005ba, 0x284b5, 0x0055e, 0x29057,
0x0050c, 0x29bab, 0x004c1, 0x2a674, 0x004a7, 0x2aa5e, 0x0046f, 0x2b32f, 0x0041f, 0x2c0ad, 0x003e7, 0x2ca8d, 0x003ba, 0x2d323, 0x0010c, 0x3bfbb
};
const BinFracBits ProbModelTables::m_BinFracBits_128[128] =
{
{{0x07b23, 0x085f9}}, {{0x085f9, 0x07b23}}, {{0x074a0, 0x08cbc}}, {{0x08cbc, 0x074a0}}, {{0x06ee4, 0x09354}}, {{0x09354, 0x06ee4}}, {{0x067f4, 0x09c1b}}, {{0x09c1b, 0x067f4}},
{{0x060b0, 0x0a62a}}, {{0x0a62a, 0x060b0}}, {{0x05a9c, 0x0af5b}}, {{0x0af5b, 0x05a9c}}, {{0x0548d, 0x0b955}}, {{0x0b955, 0x0548d}}, {{0x04f56, 0x0c2a9}}, {{0x0c2a9, 0x04f56}},
{{0x04a87, 0x0cbf7}}, {{0x0cbf7, 0x04a87}}, {{0x045d6, 0x0d5c3}}, {{0x0d5c3, 0x045d6}}, {{0x04144, 0x0e01b}}, {{0x0e01b, 0x04144}}, {{0x03d88, 0x0e937}}, {{0x0e937, 0x03d88}},
{{0x039e0, 0x0f2cd}}, {{0x0f2cd, 0x039e0}}, {{0x03663, 0x0fc9e}}, {{0x0fc9e, 0x03663}}, {{0x03347, 0x10600}}, {{0x10600, 0x03347}}, {{0x03050, 0x10f95}}, {{0x10f95, 0x03050}},
{{0x02d4d, 0x11a02}}, {{0x11a02, 0x02d4d}}, {{0x02ad3, 0x12333}}, {{0x12333, 0x02ad3}}, {{0x0286e, 0x12cad}}, {{0x12cad, 0x0286e}}, {{0x02604, 0x136df}}, {{0x136df, 0x02604}},
{{0x02425, 0x13f48}}, {{0x13f48, 0x02425}}, {{0x021f4, 0x149c4}}, {{0x149c4, 0x021f4}}, {{0x0203e, 0x1527b}}, {{0x1527b, 0x0203e}}, {{0x01e4d, 0x15d00}}, {{0x15d00, 0x01e4d}},
{{0x01c99, 0x166de}}, {{0x166de, 0x01c99}}, {{0x01b18, 0x17017}}, {{0x17017, 0x01b18}}, {{0x019a5, 0x17988}}, {{0x17988, 0x019a5}}, {{0x01841, 0x18327}}, {{0x18327, 0x01841}},
{{0x016df, 0x18d50}}, {{0x18d50, 0x016df}}, {{0x015d9, 0x19547}}, {{0x19547, 0x015d9}}, {{0x0147c, 0x1a083}}, {{0x1a083, 0x0147c}}, {{0x0138e, 0x1a8a3}}, {{0x1a8a3, 0x0138e}},
{{0x01251, 0x1b418}}, {{0x1b418, 0x01251}}, {{0x01166, 0x1bd27}}, {{0x1bd27, 0x01166}}, {{0x01068, 0x1c77b}}, {{0x1c77b, 0x01068}}, {{0x00f7f, 0x1d18e}}, {{0x1d18e, 0x00f7f}},
{{0x00eda, 0x1d91a}}, {{0x1d91a, 0x00eda}}, {{0x00e19, 0x1e254}}, {{0x1e254, 0x00e19}}, {{0x00d4f, 0x1ec9a}}, {{0x1ec9a, 0x00d4f}}, {{0x00c90, 0x1f6e0}}, {{0x1f6e0, 0x00c90}},
{{0x00c01, 0x1fef8}}, {{0x1fef8, 0x00c01}}, {{0x00b5f, 0x208b1}}, {{0x208b1, 0x00b5f}}, {{0x00ab6, 0x21362}}, {{0x21362, 0x00ab6}}, {{0x00a15, 0x21e46}}, {{0x21e46, 0x00a15}},
{{0x00988, 0x2285d}}, {{0x2285d, 0x00988}}, {{0x00934, 0x22ea8}}, {{0x22ea8, 0x00934}}, {{0x008a8, 0x239b2}}, {{0x239b2, 0x008a8}}, {{0x0081d, 0x24577}}, {{0x24577, 0x0081d}},
{{0x007c9, 0x24ce6}}, {{0x24ce6, 0x007c9}}, {{0x00763, 0x25663}}, {{0x25663, 0x00763}}, {{0x00710, 0x25e8f}}, {{0x25e8f, 0x00710}}, {{0x006a0, 0x26a26}}, {{0x26a26, 0x006a0}},
{{0x00672, 0x26f23}}, {{0x26f23, 0x00672}}, {{0x005e8, 0x27ef8}}, {{0x27ef8, 0x005e8}}, {{0x005ba, 0x284b5}}, {{0x284b5, 0x005ba}}, {{0x0055e, 0x29057}}, {{0x29057, 0x0055e}},
{{0x0050c, 0x29bab}}, {{0x29bab, 0x0050c}}, {{0x004c1, 0x2a674}}, {{0x2a674, 0x004c1}}, {{0x004a7, 0x2aa5e}}, {{0x2aa5e, 0x004a7}}, {{0x0046f, 0x2b32f}}, {{0x2b32f, 0x0046f}},
{{0x0041f, 0x2c0ad}}, {{0x2c0ad, 0x0041f}}, {{0x003e7, 0x2ca8d}}, {{0x2ca8d, 0x003e7}}, {{0x003ba, 0x2d323}}, {{0x2d323, 0x003ba}}, {{0x0010c, 0x3bfbb}}, {{0x3bfbb, 0x0010c}}
};
const uint32_t ProbModelTables::m_EstFracProb[128] =
{
0x041b5, 0x03df6, 0x04410, 0x03bbc, 0x04636, 0x039a3, 0x048e6, 0x036f6, 0x04bd3, 0x0340c, 0x04e5d, 0x03185, 0x050fa, 0x02eeb, 0x0534b, 0x02c9b,
0x0557e, 0x02a6a, 0x057b1, 0x02839, 0x059e4, 0x02608, 0x05bba, 0x02433, 0x05d8f, 0x0225e, 0x05f58, 0x02097, 0x060f7, 0x01efa, 0x06288, 0x01d69,
0x06427, 0x01bcb, 0x06581, 0x01a72, 0x066d4, 0x0191f, 0x0682f, 0x017c6, 0x0693e, 0x016b7, 0x06a80, 0x01576, 0x06b7e, 0x01478, 0x06ca1, 0x01356,
0x06da2, 0x01255, 0x06e88, 0x01170, 0x06f67, 0x01092, 0x0703e, 0x00fba, 0x07116, 0x00ee3, 0x071b7, 0x00e42, 0x0728f, 0x00d6a, 0x07323, 0x00cd6,
0x073e9, 0x00c11, 0x0747d, 0x00b7d, 0x0751e, 0x00add, 0x075b2, 0x00a49, 0x0761b, 0x009e0, 0x07697, 0x00964, 0x07719, 0x008e2, 0x07794, 0x00867,
0x077f1, 0x0080b, 0x0785b, 0x007a1, 0x078c9, 0x00733, 0x07932, 0x006ca, 0x0798f, 0x0066d, 0x079c6, 0x00636, 0x07a23, 0x005da, 0x07a7f, 0x0057d,
0x07ab7, 0x00546, 0x07afb, 0x00502, 0x07b32, 0x004cb, 0x07b7d, 0x00480, 0x07b9c, 0x00461, 0x07bf8, 0x00405, 0x07c17, 0x003e6, 0x07c55, 0x003a9,
0x07c8c, 0x00371, 0x07cbf, 0x0033f, 0x07cd0, 0x0032e, 0x07cf6, 0x00308, 0x07d2c, 0x002d1, 0x07d52, 0x002ab, 0x07d71, 0x0028c, 0x07f46, 0x000b5
};
const uint8_t ProbModelTables::m_LPSTable_64_4[64][4] =
{
{ 128, 176, 208, 240 },
{ 128, 167, 197, 227 },
{ 128, 158, 187, 216 },
{ 123, 150, 178, 205 },
{ 116, 142, 169, 195 },
{ 111, 135, 160, 185 },
{ 105, 128, 152, 175 },
{ 100, 122, 144, 166 },
{ 95, 116, 137, 158 },
{ 90, 110, 130, 150 },
{ 85, 104, 123, 142 },
{ 81, 99, 117, 135 },
{ 77, 94, 111, 128 },
{ 73, 89, 105, 122 },
{ 69, 85, 100, 116 },
{ 66, 80, 95, 110 },
{ 62, 76, 90, 104 },
{ 59, 72, 86, 99 },
{ 56, 69, 81, 94 },
{ 53, 65, 77, 89 },
{ 51, 62, 73, 85 },
{ 48, 59, 69, 80 },
{ 46, 56, 66, 76 },
{ 43, 53, 63, 72 },
{ 41, 50, 59, 69 },
{ 39, 48, 56, 65 },
{ 37, 45, 54, 62 },
{ 35, 43, 51, 59 },
{ 33, 41, 48, 56 },
{ 32, 39, 46, 53 },
{ 30, 37, 43, 50 },
{ 29, 35, 41, 48 },
{ 27, 33, 39, 45 },
{ 26, 31, 37, 43 },
{ 24, 30, 35, 41 },
{ 23, 28, 33, 39 },
{ 22, 27, 32, 37 },
{ 21, 26, 30, 35 },
{ 20, 24, 29, 33 },
{ 19, 23, 27, 31 },
{ 18, 22, 26, 30 },
{ 17, 21, 25, 28 },
{ 16, 20, 23, 27 },
{ 15, 19, 22, 25 },
{ 14, 18, 21, 24 },
{ 14, 17, 20, 23 },
{ 13, 16, 19, 22 },
{ 12, 15, 18, 21 },
{ 12, 14, 17, 20 },
{ 11, 14, 16, 19 },
{ 11, 13, 15, 18 },
{ 10, 12, 15, 17 },
{ 10, 12, 14, 16 },
{ 9, 11, 13, 15 },
{ 9, 11, 12, 14 },
{ 8, 10, 12, 14 },
{ 8, 9, 11, 13 },
{ 7, 9, 11, 12 },
{ 7, 9, 10, 12 },
{ 7, 8, 10, 11 },
{ 6, 8, 9, 11 },
{ 6, 7, 9, 10 },
{ 6, 7, 8, 9 },
{ 2, 2, 2, 2 }
};
Karsten Suehring
committed
const uint8_t ProbModelTables::m_RenormTable_32[32] =
{
6, 5, 4, 4,
3, 3, 3, 3,
2, 2, 2, 2,
2, 2, 2, 2,
1, 1, 1, 1,
1, 1, 1, 1,
1, 1, 1, 1,
1, 1, 1, 1
};
#if JVET_M0453_CABAC_ENGINE
const BinFracBits ProbModelTables::m_binFracBits[256] = {
{ { 0x0005c, 0x48000 } }, { { 0x00116, 0x3b520 } }, { { 0x001d0, 0x356cb } }, { { 0x0028b, 0x318a9 } },
{ { 0x00346, 0x2ea40 } }, { { 0x00403, 0x2c531 } }, { { 0x004c0, 0x2a658 } }, { { 0x0057e, 0x28beb } },
{ { 0x0063c, 0x274ce } }, { { 0x006fc, 0x26044 } }, { { 0x007bc, 0x24dc9 } }, { { 0x0087d, 0x23cfc } },
{ { 0x0093f, 0x22d96 } }, { { 0x00a01, 0x21f60 } }, { { 0x00ac4, 0x2122e } }, { { 0x00b89, 0x205dd } },
{ { 0x00c4e, 0x1fa51 } }, { { 0x00d13, 0x1ef74 } }, { { 0x00dda, 0x1e531 } }, { { 0x00ea2, 0x1db78 } },
{ { 0x00f6a, 0x1d23c } }, { { 0x01033, 0x1c970 } }, { { 0x010fd, 0x1c10b } }, { { 0x011c8, 0x1b903 } },
{ { 0x01294, 0x1b151 } }, { { 0x01360, 0x1a9ee } }, { { 0x0142e, 0x1a2d4 } }, { { 0x014fc, 0x19bfc } },
{ { 0x015cc, 0x19564 } }, { { 0x0169c, 0x18f06 } }, { { 0x0176d, 0x188de } }, { { 0x0183f, 0x182e8 } },
{ { 0x01912, 0x17d23 } }, { { 0x019e6, 0x1778a } }, { { 0x01abb, 0x1721c } }, { { 0x01b91, 0x16cd5 } },
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