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https://github.com/FFmpeg/FFmpeg.git
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433 lines
14 KiB
C
433 lines
14 KiB
C
/*
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* copyright (c) 2000,2001 Fabrice Bellard
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* H263+ support
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* copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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/**
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* @file mpeg4data.h
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* mpeg4 tables.
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*/
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#ifndef AVCODEC_MPEG4DATA_H
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#define AVCODEC_MPEG4DATA_H
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#include <stdint.h>
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#include "mpegvideo.h"
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// shapes
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#define RECT_SHAPE 0
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#define BIN_SHAPE 1
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#define BIN_ONLY_SHAPE 2
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#define GRAY_SHAPE 3
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#define SIMPLE_VO_TYPE 1
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#define CORE_VO_TYPE 3
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#define MAIN_VO_TYPE 4
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#define NBIT_VO_TYPE 5
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#define ARTS_VO_TYPE 10
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#define ACE_VO_TYPE 12
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#define ADV_SIMPLE_VO_TYPE 17
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// aspect_ratio_info
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#define EXTENDED_PAR 15
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//vol_sprite_usage / sprite_enable
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#define STATIC_SPRITE 1
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#define GMC_SPRITE 2
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#define MOTION_MARKER 0x1F001
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#define DC_MARKER 0x6B001
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static const int mb_type_b_map[4]= {
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MB_TYPE_DIRECT2 | MB_TYPE_L0L1,
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MB_TYPE_L0L1 | MB_TYPE_16x16,
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MB_TYPE_L1 | MB_TYPE_16x16,
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MB_TYPE_L0 | MB_TYPE_16x16,
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};
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#define VOS_STARTCODE 0x1B0
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#define USER_DATA_STARTCODE 0x1B2
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#define GOP_STARTCODE 0x1B3
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#define VISUAL_OBJ_STARTCODE 0x1B5
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#define VOP_STARTCODE 0x1B6
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/* dc encoding for mpeg4 */
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const uint8_t DCtab_lum[13][2] =
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{
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{3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
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{1,8}, {1,9}, {1,10}, {1,11},
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};
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const uint8_t DCtab_chrom[13][2] =
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{
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{3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
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{1,9}, {1,10}, {1,11}, {1,12},
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};
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const uint16_t intra_vlc[103][2] = {
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{ 0x2, 2 },
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{ 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },
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{ 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },
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{ 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },
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{ 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },
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{ 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },
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{ 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },
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{ 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },
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{ 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },
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{ 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },
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{ 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },
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{ 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },
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{ 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },
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{ 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },
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{ 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },
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{ 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },
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{ 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },
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{ 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },
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{ 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },
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{ 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },
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{ 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },
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{ 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },
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{ 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },
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{ 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },
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{ 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },
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{ 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },
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{ 0x5f, 12 },{ 0x3, 7 },
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};
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const int8_t intra_level[102] = {
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1, 2, 3, 4, 5, 6, 7, 8,
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9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 20, 21, 22, 23, 24,
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25, 26, 27, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 1, 2, 3,
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4, 5, 1, 2, 3, 4, 1, 2,
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3, 1, 2, 3, 1, 2, 3, 1,
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2, 3, 1, 2, 1, 2, 1, 1,
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1, 1, 1, 1, 2, 3, 4, 5,
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6, 7, 8, 1, 2, 3, 1, 2,
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1, 2, 1, 2, 1, 2, 1, 2,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1,
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};
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const int8_t intra_run[102] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 2, 2, 2,
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2, 2, 3, 3, 3, 3, 4, 4,
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4, 5, 5, 5, 6, 6, 6, 7,
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7, 7, 8, 8, 9, 9, 10, 11,
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12, 13, 14, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 2, 2,
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3, 3, 4, 4, 5, 5, 6, 6,
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7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20,
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};
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static RLTable rl_intra = {
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102,
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67,
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intra_vlc,
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intra_run,
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intra_level,
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};
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/* Note this is identical to the intra rvlc except that it is reordered. */
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static const uint16_t inter_rvlc[170][2]={
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{0x0006, 3},{0x0001, 4},{0x0004, 5},{0x001C, 7},
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{0x003C, 8},{0x003D, 8},{0x007C, 9},{0x00FC, 10},
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{0x00FD, 10},{0x01FC, 11},{0x01FD, 11},{0x03FC, 12},
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{0x07FC, 13},{0x07FD, 13},{0x0BFC, 13},{0x0BFD, 13},
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{0x0FFC, 14},{0x0FFD, 14},{0x1FFC, 15},{0x0007, 3},
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{0x000C, 6},{0x005C, 8},{0x007D, 9},{0x017C, 10},
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{0x02FC, 11},{0x03FD, 12},{0x0DFC, 13},{0x17FC, 14},
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{0x17FD, 14},{0x000A, 4},{0x001D, 7},{0x00BC, 9},
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{0x02FD, 11},{0x05FC, 12},{0x1BFC, 14},{0x1BFD, 14},
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{0x0005, 5},{0x005D, 8},{0x017D, 10},{0x05FD, 12},
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{0x0DFD, 13},{0x1DFC, 14},{0x1FFD, 15},{0x0008, 5},
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{0x006C, 8},{0x037C, 11},{0x0EFC, 13},{0x2FFC, 15},
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{0x0009, 5},{0x00BD, 9},{0x037D, 11},{0x0EFD, 13},
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{0x000D, 6},{0x01BC, 10},{0x06FC, 12},{0x1DFD, 14},
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{0x0014, 6},{0x01BD, 10},{0x06FD, 12},{0x2FFD, 15},
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{0x0015, 6},{0x01DC, 10},{0x0F7C, 13},{0x002C, 7},
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{0x01DD, 10},{0x1EFC, 14},{0x002D, 7},{0x03BC, 11},
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{0x0034, 7},{0x077C, 12},{0x006D, 8},{0x0F7D, 13},
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{0x0074, 8},{0x1EFD, 14},{0x0075, 8},{0x1F7C, 14},
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{0x00DC, 9},{0x1F7D, 14},{0x00DD, 9},{0x1FBC, 14},
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{0x00EC, 9},{0x37FC, 15},{0x01EC, 10},{0x01ED, 10},
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{0x01F4, 10},{0x03BD, 11},{0x03DC, 11},{0x03DD, 11},
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{0x03EC, 11},{0x03ED, 11},{0x03F4, 11},{0x077D, 12},
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{0x07BC, 12},{0x07BD, 12},{0x0FBC, 13},{0x0FBD, 13},
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{0x0FDC, 13},{0x0FDD, 13},{0x1FBD, 14},{0x1FDC, 14},
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{0x1FDD, 14},{0x37FD, 15},{0x3BFC, 15},
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{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
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{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
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{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
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{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
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{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
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{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
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{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
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{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
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{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
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{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
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{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
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{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
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{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
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{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
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{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
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{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
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{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
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};
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static const int8_t inter_rvlc_run[169]={
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 2, 3, 3, 3, 3,
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3, 3, 3, 4, 4, 4, 4, 4,
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5, 5, 5, 5, 6, 6, 6, 6,
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7, 7, 7, 7, 8, 8, 8, 9,
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9, 9, 10, 10, 11, 11, 12, 12,
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13, 13, 14, 14, 15, 15, 16, 16,
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17, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38,
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0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 2, 2, 2, 3, 3, 4,
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4, 5, 5, 6, 6, 7, 7, 8,
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8, 9, 9, 10, 10, 11, 11, 12,
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12, 13, 13, 14, 15, 16, 17, 18,
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19, 20, 21, 22, 23, 24, 25, 26,
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27, 28, 29, 30, 31, 32, 33, 34,
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35, 36, 37, 38, 39, 40, 41, 42,
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43, 44,
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};
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static const int8_t inter_rvlc_level[169]={
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1, 2, 3, 4, 5, 6, 7, 8,
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9, 10, 11, 12, 13, 14, 15, 16,
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17, 18, 19, 1, 2, 3, 4, 5,
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6, 7, 8, 9, 10, 1, 2, 3,
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4, 5, 6, 7, 1, 2, 3, 4,
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5, 6, 7, 1, 2, 3, 4, 5,
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1, 2, 3, 4, 1, 2, 3, 4,
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1, 2, 3, 4, 1, 2, 3, 1,
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2, 3, 1, 2, 1, 2, 1, 2,
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1, 2, 1, 2, 1, 2, 1, 2,
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1, 2, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1,
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1, 2, 3, 4, 5, 1, 2, 3,
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4, 5, 1, 2, 3, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1,
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};
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static RLTable rvlc_rl_inter = {
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169,
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103,
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inter_rvlc,
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inter_rvlc_run,
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inter_rvlc_level,
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};
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static const uint16_t intra_rvlc[170][2]={
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{0x0006, 3},{0x0007, 3},{0x000A, 4},{0x0009, 5},
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{0x0014, 6},{0x0015, 6},{0x0034, 7},{0x0074, 8},
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{0x0075, 8},{0x00DD, 9},{0x00EC, 9},{0x01EC, 10},
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{0x01ED, 10},{0x01F4, 10},{0x03EC, 11},{0x03ED, 11},
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{0x03F4, 11},{0x077D, 12},{0x07BC, 12},{0x0FBD, 13},
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{0x0FDC, 13},{0x07BD, 12},{0x0FDD, 13},{0x1FBD, 14},
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{0x1FDC, 14},{0x1FDD, 14},{0x1FFC, 15},{0x0001, 4},
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{0x0008, 5},{0x002D, 7},{0x006C, 8},{0x006D, 8},
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{0x00DC, 9},{0x01DD, 10},{0x03DC, 11},{0x03DD, 11},
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{0x077C, 12},{0x0FBC, 13},{0x1F7D, 14},{0x1FBC, 14},
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{0x0004, 5},{0x002C, 7},{0x00BC, 9},{0x01DC, 10},
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{0x03BC, 11},{0x03BD, 11},{0x0EFD, 13},{0x0F7C, 13},
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{0x0F7D, 13},{0x1EFD, 14},{0x1F7C, 14},{0x0005, 5},
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{0x005C, 8},{0x00BD, 9},{0x037D, 11},{0x06FC, 12},
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{0x0EFC, 13},{0x1DFD, 14},{0x1EFC, 14},{0x1FFD, 15},
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{0x000C, 6},{0x005D, 8},{0x01BD, 10},{0x03FD, 12},
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{0x06FD, 12},{0x1BFD, 14},{0x000D, 6},{0x007D, 9},
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{0x02FC, 11},{0x05FC, 12},{0x1BFC, 14},{0x1DFC, 14},
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{0x001C, 7},{0x017C, 10},{0x02FD, 11},{0x05FD, 12},
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{0x2FFC, 15},{0x001D, 7},{0x017D, 10},{0x037C, 11},
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{0x0DFD, 13},{0x2FFD, 15},{0x003C, 8},{0x01BC, 10},
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{0x0BFD, 13},{0x17FD, 14},{0x003D, 8},{0x01FD, 11},
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{0x0DFC, 13},{0x37FC, 15},{0x007C, 9},{0x03FC, 12},
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{0x00FC, 10},{0x0BFC, 13},{0x00FD, 10},{0x37FD, 15},
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{0x01FC, 11},{0x07FC, 13},{0x07FD, 13},{0x0FFC, 14},
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{0x0FFD, 14},{0x17FC, 14},{0x3BFC, 15},
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{0x000B, 4},{0x0078, 8},{0x03F5, 11},{0x0FEC, 13},
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{0x1FEC, 14},{0x0012, 5},{0x00ED, 9},{0x07DC, 12},
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{0x1FED, 14},{0x3BFD, 15},{0x0013, 5},{0x03F8, 11},
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{0x3DFC, 15},{0x0018, 6},{0x07DD, 12},{0x0019, 6},
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{0x07EC, 12},{0x0022, 6},{0x0FED, 13},{0x0023, 6},
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{0x0FF4, 13},{0x0035, 7},{0x0FF5, 13},{0x0038, 7},
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{0x0FF8, 13},{0x0039, 7},{0x0FF9, 13},{0x0042, 7},
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{0x1FF4, 14},{0x0043, 7},{0x1FF5, 14},{0x0079, 8},
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{0x1FF8, 14},{0x0082, 8},{0x3DFD, 15},{0x0083, 8},
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{0x00F4, 9},{0x00F5, 9},{0x00F8, 9},{0x00F9, 9},
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{0x0102, 9},{0x0103, 9},{0x01F5, 10},{0x01F8, 10},
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{0x01F9, 10},{0x0202, 10},{0x0203, 10},{0x03F9, 11},
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{0x0402, 11},{0x0403, 11},{0x07ED, 12},{0x07F4, 12},
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{0x07F5, 12},{0x07F8, 12},{0x07F9, 12},{0x0802, 12},
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{0x0803, 12},{0x1002, 13},{0x1003, 13},{0x1FF9, 14},
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{0x2002, 14},{0x2003, 14},{0x3EFC, 15},{0x3EFD, 15},
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{0x3F7C, 15},{0x3F7D, 15},{0x0000, 4}
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};
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static const int8_t intra_rvlc_run[169]={
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 4, 4, 4, 4,
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4, 4, 5, 5, 5, 5, 5, 5,
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6, 6, 6, 6, 6, 7, 7, 7,
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7, 7, 8, 8, 8, 8, 9, 9,
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9, 9, 10, 10, 11, 11, 12, 12,
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13, 14, 15, 16, 17, 18, 19,
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0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 2, 2, 2, 3, 3, 4,
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4, 5, 5, 6, 6, 7, 7, 8,
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8, 9, 9, 10, 10, 11, 11, 12,
|
|
12, 13, 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, 44,
|
|
};
|
|
|
|
static const int8_t intra_rvlc_level[169]={
|
|
1, 2, 3, 4, 5, 6, 7, 8,
|
|
9, 10, 11, 12, 13, 14, 15, 16,
|
|
17, 18, 19, 20, 21, 22, 23, 24,
|
|
25, 26, 27, 1, 2, 3, 4, 5,
|
|
6, 7, 8, 9, 10, 11, 12, 13,
|
|
1, 2, 3, 4, 5, 6, 7, 8,
|
|
9, 10, 11, 1, 2, 3, 4, 5,
|
|
6, 7, 8, 9, 1, 2, 3, 4,
|
|
5, 6, 1, 2, 3, 4, 5, 6,
|
|
1, 2, 3, 4, 5, 1, 2, 3,
|
|
4, 5, 1, 2, 3, 4, 1, 2,
|
|
3, 4, 1, 2, 1, 2, 1, 2,
|
|
1, 1, 1, 1, 1, 1, 1,
|
|
1, 2, 3, 4, 5, 1, 2, 3,
|
|
4, 5, 1, 2, 3, 1, 2, 1,
|
|
2, 1, 2, 1, 2, 1, 2, 1,
|
|
2, 1, 2, 1, 2, 1, 2, 1,
|
|
2, 1, 2, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1,
|
|
};
|
|
|
|
static RLTable rvlc_rl_intra = {
|
|
169,
|
|
103,
|
|
intra_rvlc,
|
|
intra_rvlc_run,
|
|
intra_rvlc_level,
|
|
};
|
|
|
|
static const uint16_t sprite_trajectory_tab[15][2] = {
|
|
{0x00, 2}, {0x02, 3}, {0x03, 3}, {0x04, 3}, {0x05, 3}, {0x06, 3},
|
|
{0x0E, 4}, {0x1E, 5}, {0x3E, 6}, {0x7E, 7}, {0xFE, 8},
|
|
{0x1FE, 9},{0x3FE, 10},{0x7FE, 11},{0xFFE, 12},
|
|
};
|
|
|
|
static const uint8_t mb_type_b_tab[4][2] = {
|
|
{1, 1}, {1, 2}, {1, 3}, {1, 4},
|
|
};
|
|
|
|
static const AVRational pixel_aspect[16]={
|
|
{0, 1},
|
|
{1, 1},
|
|
{12, 11},
|
|
{10, 11},
|
|
{16, 11},
|
|
{40, 33},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
{0, 1},
|
|
};
|
|
|
|
/* these matrixes will be permuted for the idct */
|
|
const int16_t ff_mpeg4_default_intra_matrix[64] = {
|
|
8, 17, 18, 19, 21, 23, 25, 27,
|
|
17, 18, 19, 21, 23, 25, 27, 28,
|
|
20, 21, 22, 23, 24, 26, 28, 30,
|
|
21, 22, 23, 24, 26, 28, 30, 32,
|
|
22, 23, 24, 26, 28, 30, 32, 35,
|
|
23, 24, 26, 28, 30, 32, 35, 38,
|
|
25, 26, 28, 30, 32, 35, 38, 41,
|
|
27, 28, 30, 32, 35, 38, 41, 45,
|
|
};
|
|
|
|
const int16_t ff_mpeg4_default_non_intra_matrix[64] = {
|
|
16, 17, 18, 19, 20, 21, 22, 23,
|
|
17, 18, 19, 20, 21, 22, 23, 24,
|
|
18, 19, 20, 21, 22, 23, 24, 25,
|
|
19, 20, 21, 22, 23, 24, 26, 27,
|
|
20, 21, 22, 23, 25, 26, 27, 28,
|
|
21, 22, 23, 24, 26, 27, 28, 30,
|
|
22, 23, 24, 26, 27, 28, 30, 31,
|
|
23, 24, 25, 27, 28, 30, 31, 33,
|
|
};
|
|
|
|
const uint8_t ff_mpeg4_y_dc_scale_table[32]={
|
|
// 0 1 2 3 4 5 6 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
|
|
0, 8, 8, 8, 8,10,12,14,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,34,36,38,40,42,44,46
|
|
};
|
|
const uint8_t ff_mpeg4_c_dc_scale_table[32]={
|
|
// 0 1 2 3 4 5 6 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
|
|
0, 8, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,20,21,22,23,24,25
|
|
};
|
|
|
|
const uint16_t ff_mpeg4_resync_prefix[8]={
|
|
0x7F00, 0x7E00, 0x7C00, 0x7800, 0x7000, 0x6000, 0x4000, 0x0000
|
|
};
|
|
|
|
static const uint8_t mpeg4_dc_threshold[8]={
|
|
99, 13, 15, 17, 19, 21, 23, 0
|
|
};
|
|
|
|
#endif // AVCODEC_MPEG4DATA_H
|