mirror of https://git.ffmpeg.org/ffmpeg.git
263 lines
8.9 KiB
C
263 lines
8.9 KiB
C
/*
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* H26L/H264/AVC/JVT/14496-10/... encoder/decoder
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* Copyright (c) 2003 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 libavcodec/h264data.h
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* @brief
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* H264 / AVC / MPEG4 part10 codec data table
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#ifndef AVCODEC_H264DATA_H
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#define AVCODEC_H264DATA_H
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#include <stdint.h>
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#include "libavutil/rational.h"
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#include "mpegvideo.h"
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#include "h264.h"
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static const uint8_t golomb_to_pict_type[5]=
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{FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};
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static const uint8_t golomb_to_intra4x4_cbp[48]={
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47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
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16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
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8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
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};
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static const uint8_t golomb_to_inter_cbp[48]={
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0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
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14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
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17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
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};
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static const uint8_t zigzag_scan[16]={
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0+0*4, 1+0*4, 0+1*4, 0+2*4,
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1+1*4, 2+0*4, 3+0*4, 2+1*4,
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1+2*4, 0+3*4, 1+3*4, 2+2*4,
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3+1*4, 3+2*4, 2+3*4, 3+3*4,
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};
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static const uint8_t field_scan[16]={
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0+0*4, 0+1*4, 1+0*4, 0+2*4,
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0+3*4, 1+1*4, 1+2*4, 1+3*4,
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2+0*4, 2+1*4, 2+2*4, 2+3*4,
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3+0*4, 3+1*4, 3+2*4, 3+3*4,
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};
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static const uint8_t luma_dc_zigzag_scan[16]={
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0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
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3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
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1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
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3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
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};
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static const uint8_t luma_dc_field_scan[16]={
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0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
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2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
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0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
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1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
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};
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static const uint8_t chroma_dc_scan[4]={
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(0+0*2)*16, (1+0*2)*16,
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(0+1*2)*16, (1+1*2)*16, //FIXME
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};
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// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
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static const uint8_t zigzag_scan8x8_cavlc[64]={
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0+0*8, 1+1*8, 1+2*8, 2+2*8,
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4+1*8, 0+5*8, 3+3*8, 7+0*8,
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3+4*8, 1+7*8, 5+3*8, 6+3*8,
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2+7*8, 6+4*8, 5+6*8, 7+5*8,
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1+0*8, 2+0*8, 0+3*8, 3+1*8,
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3+2*8, 0+6*8, 4+2*8, 6+1*8,
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2+5*8, 2+6*8, 6+2*8, 5+4*8,
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3+7*8, 7+3*8, 4+7*8, 7+6*8,
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0+1*8, 3+0*8, 0+4*8, 4+0*8,
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2+3*8, 1+5*8, 5+1*8, 5+2*8,
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1+6*8, 3+5*8, 7+1*8, 4+5*8,
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4+6*8, 7+4*8, 5+7*8, 6+7*8,
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0+2*8, 2+1*8, 1+3*8, 5+0*8,
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1+4*8, 2+4*8, 6+0*8, 4+3*8,
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0+7*8, 4+4*8, 7+2*8, 3+6*8,
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5+5*8, 6+5*8, 6+6*8, 7+7*8,
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};
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static const uint8_t field_scan8x8[64]={
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0+0*8, 0+1*8, 0+2*8, 1+0*8,
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1+1*8, 0+3*8, 0+4*8, 1+2*8,
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2+0*8, 1+3*8, 0+5*8, 0+6*8,
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0+7*8, 1+4*8, 2+1*8, 3+0*8,
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2+2*8, 1+5*8, 1+6*8, 1+7*8,
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2+3*8, 3+1*8, 4+0*8, 3+2*8,
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2+4*8, 2+5*8, 2+6*8, 2+7*8,
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3+3*8, 4+1*8, 5+0*8, 4+2*8,
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3+4*8, 3+5*8, 3+6*8, 3+7*8,
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4+3*8, 5+1*8, 6+0*8, 5+2*8,
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4+4*8, 4+5*8, 4+6*8, 4+7*8,
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5+3*8, 6+1*8, 6+2*8, 5+4*8,
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5+5*8, 5+6*8, 5+7*8, 6+3*8,
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7+0*8, 7+1*8, 6+4*8, 6+5*8,
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6+6*8, 6+7*8, 7+2*8, 7+3*8,
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7+4*8, 7+5*8, 7+6*8, 7+7*8,
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};
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static const uint8_t field_scan8x8_cavlc[64]={
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0+0*8, 1+1*8, 2+0*8, 0+7*8,
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2+2*8, 2+3*8, 2+4*8, 3+3*8,
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3+4*8, 4+3*8, 4+4*8, 5+3*8,
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5+5*8, 7+0*8, 6+6*8, 7+4*8,
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0+1*8, 0+3*8, 1+3*8, 1+4*8,
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1+5*8, 3+1*8, 2+5*8, 4+1*8,
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3+5*8, 5+1*8, 4+5*8, 6+1*8,
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5+6*8, 7+1*8, 6+7*8, 7+5*8,
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0+2*8, 0+4*8, 0+5*8, 2+1*8,
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1+6*8, 4+0*8, 2+6*8, 5+0*8,
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3+6*8, 6+0*8, 4+6*8, 6+2*8,
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5+7*8, 6+4*8, 7+2*8, 7+6*8,
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1+0*8, 1+2*8, 0+6*8, 3+0*8,
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1+7*8, 3+2*8, 2+7*8, 4+2*8,
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3+7*8, 5+2*8, 4+7*8, 5+4*8,
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6+3*8, 6+5*8, 7+3*8, 7+7*8,
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};
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typedef struct IMbInfo{
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uint16_t type;
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uint8_t pred_mode;
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uint8_t cbp;
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} IMbInfo;
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static const IMbInfo i_mb_type_info[26]={
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{MB_TYPE_INTRA4x4 , -1, -1},
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{MB_TYPE_INTRA16x16, 2, 0},
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{MB_TYPE_INTRA16x16, 1, 0},
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{MB_TYPE_INTRA16x16, 0, 0},
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{MB_TYPE_INTRA16x16, 3, 0},
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{MB_TYPE_INTRA16x16, 2, 16},
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{MB_TYPE_INTRA16x16, 1, 16},
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{MB_TYPE_INTRA16x16, 0, 16},
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{MB_TYPE_INTRA16x16, 3, 16},
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{MB_TYPE_INTRA16x16, 2, 32},
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{MB_TYPE_INTRA16x16, 1, 32},
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{MB_TYPE_INTRA16x16, 0, 32},
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{MB_TYPE_INTRA16x16, 3, 32},
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{MB_TYPE_INTRA16x16, 2, 15+0},
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{MB_TYPE_INTRA16x16, 1, 15+0},
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{MB_TYPE_INTRA16x16, 0, 15+0},
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{MB_TYPE_INTRA16x16, 3, 15+0},
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{MB_TYPE_INTRA16x16, 2, 15+16},
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{MB_TYPE_INTRA16x16, 1, 15+16},
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{MB_TYPE_INTRA16x16, 0, 15+16},
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{MB_TYPE_INTRA16x16, 3, 15+16},
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{MB_TYPE_INTRA16x16, 2, 15+32},
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{MB_TYPE_INTRA16x16, 1, 15+32},
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{MB_TYPE_INTRA16x16, 0, 15+32},
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{MB_TYPE_INTRA16x16, 3, 15+32},
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{MB_TYPE_INTRA_PCM , -1, -1},
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};
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typedef struct PMbInfo{
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uint16_t type;
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uint8_t partition_count;
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} PMbInfo;
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static const PMbInfo p_mb_type_info[5]={
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{MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
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{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
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{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
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{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
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{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
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};
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static const PMbInfo p_sub_mb_type_info[4]={
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{MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
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{MB_TYPE_16x8 |MB_TYPE_P0L0 , 2},
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{MB_TYPE_8x16 |MB_TYPE_P0L0 , 2},
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{MB_TYPE_8x8 |MB_TYPE_P0L0 , 4},
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};
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static const PMbInfo b_mb_type_info[23]={
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{MB_TYPE_DIRECT2 , 1, },
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{MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
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{MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
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{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
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};
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static const PMbInfo b_sub_mb_type_info[13]={
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{MB_TYPE_DIRECT2 , 1, },
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{MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
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{MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
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{MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
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{MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
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{MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, },
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{MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, },
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{MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
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};
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static const uint8_t dequant4_coeff_init[6][3]={
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{10,13,16},
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{11,14,18},
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{13,16,20},
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{14,18,23},
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{16,20,25},
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{18,23,29},
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};
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static const uint8_t dequant8_coeff_init_scan[16] = {
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0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
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};
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static const uint8_t dequant8_coeff_init[6][6]={
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{20,18,32,19,25,24},
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{22,19,35,21,28,26},
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{26,23,42,24,33,31},
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{28,25,45,26,35,33},
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{32,28,51,30,40,38},
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{36,32,58,34,46,43},
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};
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#endif /* AVCODEC_H264DATA_H */
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