00001 /* 00002 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder 00003 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> 00004 * 00005 * This file is part of FFmpeg. 00006 * 00007 * FFmpeg is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * FFmpeg is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with FFmpeg; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00029 #ifndef AVCODEC_H264DATA_H 00030 #define AVCODEC_H264DATA_H 00031 00032 #include <stdint.h> 00033 #include "libavutil/rational.h" 00034 #include "mpegvideo.h" 00035 #include "h264.h" 00036 00037 00038 static const uint8_t golomb_to_pict_type[5]= 00039 {AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI}; 00040 00041 static const uint8_t golomb_to_intra4x4_cbp[48]={ 00042 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46, 00043 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4, 00044 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41 00045 }; 00046 00047 static const uint8_t golomb_to_inter_cbp[48]={ 00048 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13, 00049 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46, 00050 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41 00051 }; 00052 00053 static const uint8_t zigzag_scan[16]={ 00054 0+0*4, 1+0*4, 0+1*4, 0+2*4, 00055 1+1*4, 2+0*4, 3+0*4, 2+1*4, 00056 1+2*4, 0+3*4, 1+3*4, 2+2*4, 00057 3+1*4, 3+2*4, 2+3*4, 3+3*4, 00058 }; 00059 00060 static const uint8_t field_scan[16]={ 00061 0+0*4, 0+1*4, 1+0*4, 0+2*4, 00062 0+3*4, 1+1*4, 1+2*4, 1+3*4, 00063 2+0*4, 2+1*4, 2+2*4, 2+3*4, 00064 3+0*4, 3+1*4, 3+2*4, 3+3*4, 00065 }; 00066 00067 static const uint8_t luma_dc_zigzag_scan[16]={ 00068 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64, 00069 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64, 00070 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64, 00071 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64, 00072 }; 00073 00074 static const uint8_t luma_dc_field_scan[16]={ 00075 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64, 00076 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64, 00077 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64, 00078 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64, 00079 }; 00080 00081 static const uint8_t chroma_dc_scan[4]={ 00082 (0+0*2)*16, (1+0*2)*16, 00083 (0+1*2)*16, (1+1*2)*16, 00084 }; 00085 00086 static const uint8_t chroma422_dc_scan[8]={ 00087 (0+0*2)*16, (0+1*2)*16, 00088 (1+0*2)*16, (0+2*2)*16, 00089 (0+3*2)*16, (1+1*2)*16, 00090 (1+2*2)*16, (1+3*2)*16, 00091 }; 00092 00093 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)] 00094 static const uint8_t zigzag_scan8x8_cavlc[64]={ 00095 0+0*8, 1+1*8, 1+2*8, 2+2*8, 00096 4+1*8, 0+5*8, 3+3*8, 7+0*8, 00097 3+4*8, 1+7*8, 5+3*8, 6+3*8, 00098 2+7*8, 6+4*8, 5+6*8, 7+5*8, 00099 1+0*8, 2+0*8, 0+3*8, 3+1*8, 00100 3+2*8, 0+6*8, 4+2*8, 6+1*8, 00101 2+5*8, 2+6*8, 6+2*8, 5+4*8, 00102 3+7*8, 7+3*8, 4+7*8, 7+6*8, 00103 0+1*8, 3+0*8, 0+4*8, 4+0*8, 00104 2+3*8, 1+5*8, 5+1*8, 5+2*8, 00105 1+6*8, 3+5*8, 7+1*8, 4+5*8, 00106 4+6*8, 7+4*8, 5+7*8, 6+7*8, 00107 0+2*8, 2+1*8, 1+3*8, 5+0*8, 00108 1+4*8, 2+4*8, 6+0*8, 4+3*8, 00109 0+7*8, 4+4*8, 7+2*8, 3+6*8, 00110 5+5*8, 6+5*8, 6+6*8, 7+7*8, 00111 }; 00112 00113 static const uint8_t field_scan8x8[64]={ 00114 0+0*8, 0+1*8, 0+2*8, 1+0*8, 00115 1+1*8, 0+3*8, 0+4*8, 1+2*8, 00116 2+0*8, 1+3*8, 0+5*8, 0+6*8, 00117 0+7*8, 1+4*8, 2+1*8, 3+0*8, 00118 2+2*8, 1+5*8, 1+6*8, 1+7*8, 00119 2+3*8, 3+1*8, 4+0*8, 3+2*8, 00120 2+4*8, 2+5*8, 2+6*8, 2+7*8, 00121 3+3*8, 4+1*8, 5+0*8, 4+2*8, 00122 3+4*8, 3+5*8, 3+6*8, 3+7*8, 00123 4+3*8, 5+1*8, 6+0*8, 5+2*8, 00124 4+4*8, 4+5*8, 4+6*8, 4+7*8, 00125 5+3*8, 6+1*8, 6+2*8, 5+4*8, 00126 5+5*8, 5+6*8, 5+7*8, 6+3*8, 00127 7+0*8, 7+1*8, 6+4*8, 6+5*8, 00128 6+6*8, 6+7*8, 7+2*8, 7+3*8, 00129 7+4*8, 7+5*8, 7+6*8, 7+7*8, 00130 }; 00131 00132 static const uint8_t field_scan8x8_cavlc[64]={ 00133 0+0*8, 1+1*8, 2+0*8, 0+7*8, 00134 2+2*8, 2+3*8, 2+4*8, 3+3*8, 00135 3+4*8, 4+3*8, 4+4*8, 5+3*8, 00136 5+5*8, 7+0*8, 6+6*8, 7+4*8, 00137 0+1*8, 0+3*8, 1+3*8, 1+4*8, 00138 1+5*8, 3+1*8, 2+5*8, 4+1*8, 00139 3+5*8, 5+1*8, 4+5*8, 6+1*8, 00140 5+6*8, 7+1*8, 6+7*8, 7+5*8, 00141 0+2*8, 0+4*8, 0+5*8, 2+1*8, 00142 1+6*8, 4+0*8, 2+6*8, 5+0*8, 00143 3+6*8, 6+0*8, 4+6*8, 6+2*8, 00144 5+7*8, 6+4*8, 7+2*8, 7+6*8, 00145 1+0*8, 1+2*8, 0+6*8, 3+0*8, 00146 1+7*8, 3+2*8, 2+7*8, 4+2*8, 00147 3+7*8, 5+2*8, 4+7*8, 5+4*8, 00148 6+3*8, 6+5*8, 7+3*8, 7+7*8, 00149 }; 00150 00151 typedef struct IMbInfo{ 00152 uint16_t type; 00153 uint8_t pred_mode; 00154 uint8_t cbp; 00155 } IMbInfo; 00156 00157 static const IMbInfo i_mb_type_info[26]={ 00158 {MB_TYPE_INTRA4x4 , -1, -1}, 00159 {MB_TYPE_INTRA16x16, 2, 0}, 00160 {MB_TYPE_INTRA16x16, 1, 0}, 00161 {MB_TYPE_INTRA16x16, 0, 0}, 00162 {MB_TYPE_INTRA16x16, 3, 0}, 00163 {MB_TYPE_INTRA16x16, 2, 16}, 00164 {MB_TYPE_INTRA16x16, 1, 16}, 00165 {MB_TYPE_INTRA16x16, 0, 16}, 00166 {MB_TYPE_INTRA16x16, 3, 16}, 00167 {MB_TYPE_INTRA16x16, 2, 32}, 00168 {MB_TYPE_INTRA16x16, 1, 32}, 00169 {MB_TYPE_INTRA16x16, 0, 32}, 00170 {MB_TYPE_INTRA16x16, 3, 32}, 00171 {MB_TYPE_INTRA16x16, 2, 15+0}, 00172 {MB_TYPE_INTRA16x16, 1, 15+0}, 00173 {MB_TYPE_INTRA16x16, 0, 15+0}, 00174 {MB_TYPE_INTRA16x16, 3, 15+0}, 00175 {MB_TYPE_INTRA16x16, 2, 15+16}, 00176 {MB_TYPE_INTRA16x16, 1, 15+16}, 00177 {MB_TYPE_INTRA16x16, 0, 15+16}, 00178 {MB_TYPE_INTRA16x16, 3, 15+16}, 00179 {MB_TYPE_INTRA16x16, 2, 15+32}, 00180 {MB_TYPE_INTRA16x16, 1, 15+32}, 00181 {MB_TYPE_INTRA16x16, 0, 15+32}, 00182 {MB_TYPE_INTRA16x16, 3, 15+32}, 00183 {MB_TYPE_INTRA_PCM , -1, -1}, 00184 }; 00185 00186 typedef struct PMbInfo{ 00187 uint16_t type; 00188 uint8_t partition_count; 00189 } PMbInfo; 00190 00191 static const PMbInfo p_mb_type_info[5]={ 00192 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1}, 00193 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2}, 00194 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2}, 00195 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4}, 00196 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4}, 00197 }; 00198 00199 static const PMbInfo p_sub_mb_type_info[4]={ 00200 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1}, 00201 {MB_TYPE_16x8 |MB_TYPE_P0L0 , 2}, 00202 {MB_TYPE_8x16 |MB_TYPE_P0L0 , 2}, 00203 {MB_TYPE_8x8 |MB_TYPE_P0L0 , 4}, 00204 }; 00205 00206 static const PMbInfo b_mb_type_info[23]={ 00207 {MB_TYPE_DIRECT2|MB_TYPE_L0L1 , 1, }, 00208 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, }, 00209 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, }, 00210 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, }, 00211 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, }, 00212 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, }, 00213 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00214 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00215 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, }, 00216 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, }, 00217 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, }, 00218 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, }, 00219 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00220 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00221 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00222 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00223 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, }, 00224 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, }, 00225 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00226 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00227 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00228 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00229 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, }, 00230 }; 00231 00232 static const PMbInfo b_sub_mb_type_info[13]={ 00233 {MB_TYPE_DIRECT2 , 1, }, 00234 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, }, 00235 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, }, 00236 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, }, 00237 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, }, 00238 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, }, 00239 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00240 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, }, 00241 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00242 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, }, 00243 {MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, }, 00244 {MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, }, 00245 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, }, 00246 }; 00247 00248 static const uint8_t dequant4_coeff_init[6][3]={ 00249 {10,13,16}, 00250 {11,14,18}, 00251 {13,16,20}, 00252 {14,18,23}, 00253 {16,20,25}, 00254 {18,23,29}, 00255 }; 00256 00257 static const uint8_t dequant8_coeff_init_scan[16] = { 00258 0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1 00259 }; 00260 static const uint8_t dequant8_coeff_init[6][6]={ 00261 {20,18,32,19,25,24}, 00262 {22,19,35,21,28,26}, 00263 {26,23,42,24,33,31}, 00264 {28,25,45,26,35,33}, 00265 {32,28,51,30,40,38}, 00266 {36,32,58,34,46,43}, 00267 }; 00268 00269 #endif /* AVCODEC_H264DATA_H */