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262 lines
8.9 KiB
262 lines
8.9 KiB
/* |
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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|MB_TYPE_L0L1 , 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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