309 lines
10 KiB
C
309 lines
10 KiB
C
/**
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* @file
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* VP6 compatible video decoder
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*
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* Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VP6DATA_H
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#define AVCODEC_VP6DATA_H
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#include "vp56data.h"
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static const uint8_t vp6_def_fdv_vector_model[2][8] = {
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{ 247, 210, 135, 68, 138, 220, 239, 246 },
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{ 244, 184, 201, 44, 173, 221, 239, 253 },
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};
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static const uint8_t vp6_def_pdv_vector_model[2][7] = {
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{ 225, 146, 172, 147, 214, 39, 156 },
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{ 204, 170, 119, 235, 140, 230, 228 },
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};
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static const uint8_t vp6_def_coeff_reorder[] = {
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0, 0, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 3, 3, 4, 4, 4,
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5, 5, 5, 5, 6, 6, 7, 7,
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7, 7, 7, 8, 8, 9, 9, 9,
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9, 9, 9, 10, 10, 11, 11, 11,
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11, 11, 11, 12, 12, 12, 12, 12,
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12, 13, 13, 13, 13, 13, 14, 14,
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14, 14, 15, 15, 15, 15, 15, 15,
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};
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static const uint8_t vp6_def_runv_coeff_model[2][14] = {
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{ 198, 197, 196, 146, 198, 204, 169, 142, 130, 136, 149, 149, 191, 249 },
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{ 135, 201, 181, 154, 98, 117, 132, 126, 146, 169, 184, 240, 246, 254 },
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};
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static const uint8_t vp6_sig_dct_pct[2][2] = {
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{ 237, 246 },
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{ 231, 243 },
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};
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static const uint8_t vp6_pdv_pct[2][7] = {
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{ 253, 253, 254, 254, 254, 254, 254 },
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{ 245, 253, 254, 254, 254, 254, 254 },
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};
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static const uint8_t vp6_fdv_pct[2][8] = {
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{ 254, 254, 254, 254, 254, 250, 250, 252 },
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{ 254, 254, 254, 254, 254, 251, 251, 254 },
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};
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static const uint8_t vp6_dccv_pct[2][11] = {
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{ 146, 255, 181, 207, 232, 243, 238, 251, 244, 250, 249 },
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{ 179, 255, 214, 240, 250, 255, 244, 255, 255, 255, 255 },
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};
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static const uint8_t vp6_coeff_reorder_pct[] = {
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255, 132, 132, 159, 153, 151, 161, 170,
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164, 162, 136, 110, 103, 114, 129, 118,
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124, 125, 132, 136, 114, 110, 142, 135,
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134, 123, 143, 126, 153, 183, 166, 161,
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171, 180, 179, 164, 203, 218, 225, 217,
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215, 206, 203, 217, 229, 241, 248, 243,
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253, 255, 253, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 255,
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};
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static const uint8_t vp6_runv_pct[2][14] = {
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{ 219, 246, 238, 249, 232, 239, 249, 255, 248, 253, 239, 244, 241, 248 },
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{ 198, 232, 251, 253, 219, 241, 253, 255, 248, 249, 244, 238, 251, 255 },
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};
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static const uint8_t vp6_ract_pct[3][2][6][11] = {
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{ { { 227, 246, 230, 247, 244, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 209, 231, 231, 249, 249, 253, 255, 255, 255 },
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{ 255, 255, 225, 242, 241, 251, 253, 255, 255, 255, 255 },
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{ 255, 255, 241, 253, 252, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
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{ { 240, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 240, 253, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
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{ { { 206, 203, 227, 239, 247, 255, 253, 255, 255, 255, 255 },
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{ 207, 199, 220, 236, 243, 252, 252, 255, 255, 255, 255 },
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{ 212, 219, 230, 243, 244, 253, 252, 255, 255, 255, 255 },
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{ 236, 237, 247, 252, 253, 255, 255, 255, 255, 255, 255 },
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{ 240, 240, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
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{ { 230, 233, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 238, 238, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 248, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
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{ { { 225, 239, 227, 231, 244, 253, 243, 255, 255, 253, 255 },
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{ 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 255 },
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{ 235, 249, 238, 240, 251, 255, 249, 255, 253, 253, 255 },
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{ 249, 253, 251, 250, 255, 255, 255, 255, 255, 255, 255 },
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{ 251, 250, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
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{ { 243, 244, 250, 250, 255, 255, 255, 255, 255, 255, 255 },
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{ 249, 248, 250, 253, 255, 255, 255, 255, 255, 255, 255 },
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{ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
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{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } }
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};
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static const int vp6_dccv_lc[3][5][2] = {
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{ { 122, 133 }, { 0, 1 }, { 78, 171 }, { 139, 117 }, { 168, 79 } },
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{ { 133, 51 }, { 0, 1 }, { 169, 71 }, { 214, 44 }, { 210, 38 } },
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{ { 142, -16 }, { 0, 1 }, { 221, -30 }, { 246, -3 }, { 203, 17 } },
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};
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static const uint8_t vp6_coeff_groups[] = {
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0, 0, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5,
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5, 5, 5, 5, 5, 5, 5, 5,
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};
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static const int16_t vp6_block_copy_filter[17][8][4] = {
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{ { 0, 128, 0, 0 }, /* 0 */
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{ -3, 122, 9, 0 },
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{ -4, 109, 24, -1 },
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{ -5, 91, 45, -3 },
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{ -4, 68, 68, -4 },
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{ -3, 45, 91, -5 },
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{ -1, 24, 109, -4 },
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{ 0, 9, 122, -3 } },
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{ { 0, 128, 0, 0 }, /* 1 */
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{ -4, 124, 9, -1 },
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{ -5, 110, 25, -2 },
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{ -6, 91, 46, -3 },
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{ -5, 69, 69, -5 },
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{ -3, 46, 91, -6 },
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{ -2, 25, 110, -5 },
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{ -1, 9, 124, -4 } },
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{ { 0, 128, 0, 0 }, /* 2 */
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{ -4, 123, 10, -1 },
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{ -6, 110, 26, -2 },
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{ -7, 92, 47, -4 },
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{ -6, 70, 70, -6 },
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{ -4, 47, 92, -7 },
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{ -2, 26, 110, -6 },
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{ -1, 10, 123, -4 } },
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{ { 0, 128, 0, 0 }, /* 3 */
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{ -5, 124, 10, -1 },
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{ -7, 110, 27, -2 },
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{ -7, 91, 48, -4 },
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{ -6, 70, 70, -6 },
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{ -4, 48, 92, -8 },
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{ -2, 27, 110, -7 },
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{ -1, 10, 124, -5 } },
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{ { 0, 128, 0, 0 }, /* 4 */
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{ -6, 124, 11, -1 },
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{ -8, 111, 28, -3 },
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{ -8, 92, 49, -5 },
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{ -7, 71, 71, -7 },
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{ -5, 49, 92, -8 },
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{ -3, 28, 111, -8 },
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{ -1, 11, 124, -6 } },
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{ { 0, 128, 0, 0 }, /* 5 */
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{ -6, 123, 12, -1 },
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{ -9, 111, 29, -3 },
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{ -9, 93, 50, -6 },
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{ -8, 72, 72, -8 },
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{ -6, 50, 93, -9 },
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{ -3, 29, 111, -9 },
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{ -1, 12, 123, -6 } },
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{ { 0, 128, 0, 0 }, /* 6 */
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{ -7, 124, 12, -1 },
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{ -10, 111, 30, -3 },
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{ -10, 93, 51, -6 },
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{ -9, 73, 73, -9 },
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{ -6, 51, 93, -10 },
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{ -3, 30, 111, -10 },
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{ -1, 12, 124, -7 } },
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{ { 0, 128, 0, 0 }, /* 7 */
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{ -7, 123, 13, -1 },
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{ -11, 112, 31, -4 },
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{ -11, 94, 52, -7 },
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{ -10, 74, 74, -10 },
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{ -7, 52, 94, -11 },
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{ -4, 31, 112, -11 },
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{ -1, 13, 123, -7 } },
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{ { 0, 128, 0, 0 }, /* 8 */
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{ -8, 124, 13, -1 },
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{ -12, 112, 32, -4 },
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{ -12, 94, 53, -7 },
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{ -10, 74, 74, -10 },
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{ -7, 53, 94, -12 },
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{ -4, 32, 112, -12 },
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{ -1, 13, 124, -8 } },
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{ { 0, 128, 0, 0 }, /* 9 */
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{ -9, 124, 14, -1 },
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{ -13, 112, 33, -4 },
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{ -13, 95, 54, -8 },
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{ -11, 75, 75, -11 },
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{ -8, 54, 95, -13 },
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{ -4, 33, 112, -13 },
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{ -1, 14, 124, -9 } },
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{ { 0, 128, 0, 0 }, /* 10 */
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{ -9, 123, 15, -1 },
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{ -14, 113, 34, -5 },
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{ -14, 95, 55, -8 },
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{ -12, 76, 76, -12 },
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{ -8, 55, 95, -14 },
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{ -5, 34, 112, -13 },
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{ -1, 15, 123, -9 } },
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{ { 0, 128, 0, 0 }, /* 11 */
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{ -10, 124, 15, -1 },
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{ -14, 113, 34, -5 },
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{ -15, 96, 56, -9 },
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{ -13, 77, 77, -13 },
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{ -9, 56, 96, -15 },
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{ -5, 34, 113, -14 },
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{ -1, 15, 124, -10 } },
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{ { 0, 128, 0, 0 }, /* 12 */
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{ -10, 123, 16, -1 },
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{ -15, 113, 35, -5 },
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{ -16, 98, 56, -10 },
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{ -14, 78, 78, -14 },
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{ -10, 56, 98, -16 },
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{ -5, 35, 113, -15 },
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{ -1, 16, 123, -10 } },
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{ { 0, 128, 0, 0 }, /* 13 */
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{ -11, 124, 17, -2 },
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{ -16, 113, 36, -5 },
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{ -17, 98, 57, -10 },
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{ -14, 78, 78, -14 },
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{ -10, 57, 98, -17 },
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{ -5, 36, 113, -16 },
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{ -2, 17, 124, -11 } },
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{ { 0, 128, 0, 0 }, /* 14 */
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{ -12, 125, 17, -2 },
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{ -17, 114, 37, -6 },
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{ -18, 99, 58, -11 },
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{ -15, 79, 79, -15 },
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{ -11, 58, 99, -18 },
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{ -6, 37, 114, -17 },
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{ -2, 17, 125, -12 } },
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{ { 0, 128, 0, 0 }, /* 15 */
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{ -12, 124, 18, -2 },
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{ -18, 114, 38, -6 },
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{ -19, 99, 59, -11 },
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{ -16, 80, 80, -16 },
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{ -11, 59, 99, -19 },
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{ -6, 38, 114, -18 },
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{ -2, 18, 124, -12 } },
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{ { 0, 128, 0, 0 }, /* 16 */
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{ -4, 118, 16, -2 },
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{ -7, 106, 34, -5 },
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{ -8, 90, 53, -7 },
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{ -8, 72, 72, -8 },
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{ -7, 53, 90, -8 },
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{ -5, 34, 106, -7 },
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{ -2, 16, 118, -4 } },
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};
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static const VP56Tree vp6_pcr_tree[] = {
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{ 8, 0},
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{ 4, 1},
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{ 2, 2}, {-1}, {-2},
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{ 2, 3}, {-3}, {-4},
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{ 8, 4},
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{ 4, 5},
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{ 2, 6}, {-5}, {-6},
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{ 2, 7}, {-7}, {-8},
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{-0},
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};
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static const uint8_t vp6_coord_div[] = { 4, 4, 4, 4, 8, 8 };
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static const uint8_t vp6_huff_coeff_map[] = {
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13, 14, 11, 0, 1, 15, 16, 18, 2, 17, 3, 4, 19, 20, 5, 6, 21, 22, 7, 8, 9, 10
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};
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static const uint8_t vp6_huff_run_map[] = {
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10, 13, 11, 12, 0, 1, 2, 3, 14, 8, 15, 16, 4, 5, 6, 7
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};
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#endif /* AVCODEC_VP6DATA_H */
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