2 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 * H264 / AVC / MPEG4 part10 codec data table
26 * @author Michael Niedermayer <michaelni@gmx.at>
29 #ifndef AVCODEC_H264DATA_H
30 #define AVCODEC_H264DATA_H
33 #include "libavutil/rational.h"
34 #include "mpegvideo.h"
38 static const uint8_t golomb_to_pict_type[5]=
39 {AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI};
41 static const uint8_t golomb_to_intra4x4_cbp[48]={
42 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
43 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
44 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
47 static const uint8_t golomb_to_inter_cbp[48]={
48 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
49 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
50 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
53 static const uint8_t zigzag_scan[16]={
54 0+0*4, 1+0*4, 0+1*4, 0+2*4,
55 1+1*4, 2+0*4, 3+0*4, 2+1*4,
56 1+2*4, 0+3*4, 1+3*4, 2+2*4,
57 3+1*4, 3+2*4, 2+3*4, 3+3*4,
60 static const uint8_t field_scan[16]={
61 0+0*4, 0+1*4, 1+0*4, 0+2*4,
62 0+3*4, 1+1*4, 1+2*4, 1+3*4,
63 2+0*4, 2+1*4, 2+2*4, 2+3*4,
64 3+0*4, 3+1*4, 3+2*4, 3+3*4,
67 static const uint8_t luma_dc_zigzag_scan[16]={
68 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
69 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
70 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
71 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
74 static const uint8_t luma_dc_field_scan[16]={
75 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
76 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
77 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
78 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
81 static const uint8_t chroma_dc_scan[4]={
82 (0+0*2)*16, (1+0*2)*16,
83 (0+1*2)*16, (1+1*2)*16,
86 static const uint8_t chroma422_dc_scan[8]={
87 (0+0*2)*16, (0+1*2)*16,
88 (1+0*2)*16, (0+2*2)*16,
89 (0+3*2)*16, (1+1*2)*16,
90 (1+2*2)*16, (1+3*2)*16,
93 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
94 static const uint8_t zigzag_scan8x8_cavlc[64]={
95 0+0*8, 1+1*8, 1+2*8, 2+2*8,
96 4+1*8, 0+5*8, 3+3*8, 7+0*8,
97 3+4*8, 1+7*8, 5+3*8, 6+3*8,
98 2+7*8, 6+4*8, 5+6*8, 7+5*8,
99 1+0*8, 2+0*8, 0+3*8, 3+1*8,
100 3+2*8, 0+6*8, 4+2*8, 6+1*8,
101 2+5*8, 2+6*8, 6+2*8, 5+4*8,
102 3+7*8, 7+3*8, 4+7*8, 7+6*8,
103 0+1*8, 3+0*8, 0+4*8, 4+0*8,
104 2+3*8, 1+5*8, 5+1*8, 5+2*8,
105 1+6*8, 3+5*8, 7+1*8, 4+5*8,
106 4+6*8, 7+4*8, 5+7*8, 6+7*8,
107 0+2*8, 2+1*8, 1+3*8, 5+0*8,
108 1+4*8, 2+4*8, 6+0*8, 4+3*8,
109 0+7*8, 4+4*8, 7+2*8, 3+6*8,
110 5+5*8, 6+5*8, 6+6*8, 7+7*8,
113 static const uint8_t field_scan8x8[64]={
114 0+0*8, 0+1*8, 0+2*8, 1+0*8,
115 1+1*8, 0+3*8, 0+4*8, 1+2*8,
116 2+0*8, 1+3*8, 0+5*8, 0+6*8,
117 0+7*8, 1+4*8, 2+1*8, 3+0*8,
118 2+2*8, 1+5*8, 1+6*8, 1+7*8,
119 2+3*8, 3+1*8, 4+0*8, 3+2*8,
120 2+4*8, 2+5*8, 2+6*8, 2+7*8,
121 3+3*8, 4+1*8, 5+0*8, 4+2*8,
122 3+4*8, 3+5*8, 3+6*8, 3+7*8,
123 4+3*8, 5+1*8, 6+0*8, 5+2*8,
124 4+4*8, 4+5*8, 4+6*8, 4+7*8,
125 5+3*8, 6+1*8, 6+2*8, 5+4*8,
126 5+5*8, 5+6*8, 5+7*8, 6+3*8,
127 7+0*8, 7+1*8, 6+4*8, 6+5*8,
128 6+6*8, 6+7*8, 7+2*8, 7+3*8,
129 7+4*8, 7+5*8, 7+6*8, 7+7*8,
132 static const uint8_t field_scan8x8_cavlc[64]={
133 0+0*8, 1+1*8, 2+0*8, 0+7*8,
134 2+2*8, 2+3*8, 2+4*8, 3+3*8,
135 3+4*8, 4+3*8, 4+4*8, 5+3*8,
136 5+5*8, 7+0*8, 6+6*8, 7+4*8,
137 0+1*8, 0+3*8, 1+3*8, 1+4*8,
138 1+5*8, 3+1*8, 2+5*8, 4+1*8,
139 3+5*8, 5+1*8, 4+5*8, 6+1*8,
140 5+6*8, 7+1*8, 6+7*8, 7+5*8,
141 0+2*8, 0+4*8, 0+5*8, 2+1*8,
142 1+6*8, 4+0*8, 2+6*8, 5+0*8,
143 3+6*8, 6+0*8, 4+6*8, 6+2*8,
144 5+7*8, 6+4*8, 7+2*8, 7+6*8,
145 1+0*8, 1+2*8, 0+6*8, 3+0*8,
146 1+7*8, 3+2*8, 2+7*8, 4+2*8,
147 3+7*8, 5+2*8, 4+7*8, 5+4*8,
148 6+3*8, 6+5*8, 7+3*8, 7+7*8,
151 typedef struct IMbInfo{
157 static const IMbInfo i_mb_type_info[26]={
158 {MB_TYPE_INTRA4x4 , -1, -1},
159 {MB_TYPE_INTRA16x16, 2, 0},
160 {MB_TYPE_INTRA16x16, 1, 0},
161 {MB_TYPE_INTRA16x16, 0, 0},
162 {MB_TYPE_INTRA16x16, 3, 0},
163 {MB_TYPE_INTRA16x16, 2, 16},
164 {MB_TYPE_INTRA16x16, 1, 16},
165 {MB_TYPE_INTRA16x16, 0, 16},
166 {MB_TYPE_INTRA16x16, 3, 16},
167 {MB_TYPE_INTRA16x16, 2, 32},
168 {MB_TYPE_INTRA16x16, 1, 32},
169 {MB_TYPE_INTRA16x16, 0, 32},
170 {MB_TYPE_INTRA16x16, 3, 32},
171 {MB_TYPE_INTRA16x16, 2, 15+0},
172 {MB_TYPE_INTRA16x16, 1, 15+0},
173 {MB_TYPE_INTRA16x16, 0, 15+0},
174 {MB_TYPE_INTRA16x16, 3, 15+0},
175 {MB_TYPE_INTRA16x16, 2, 15+16},
176 {MB_TYPE_INTRA16x16, 1, 15+16},
177 {MB_TYPE_INTRA16x16, 0, 15+16},
178 {MB_TYPE_INTRA16x16, 3, 15+16},
179 {MB_TYPE_INTRA16x16, 2, 15+32},
180 {MB_TYPE_INTRA16x16, 1, 15+32},
181 {MB_TYPE_INTRA16x16, 0, 15+32},
182 {MB_TYPE_INTRA16x16, 3, 15+32},
183 {MB_TYPE_INTRA_PCM , -1, -1},
186 typedef struct PMbInfo{
188 uint8_t partition_count;
191 static const PMbInfo p_mb_type_info[5]={
192 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
193 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
194 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
195 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
196 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
199 static const PMbInfo p_sub_mb_type_info[4]={
200 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
201 {MB_TYPE_16x8 |MB_TYPE_P0L0 , 2},
202 {MB_TYPE_8x16 |MB_TYPE_P0L0 , 2},
203 {MB_TYPE_8x8 |MB_TYPE_P0L0 , 4},
206 static const PMbInfo b_mb_type_info[23]={
207 {MB_TYPE_DIRECT2|MB_TYPE_L0L1 , 1, },
208 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
209 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
210 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
211 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
212 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
213 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
214 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
215 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
216 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
217 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
218 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
219 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
220 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
221 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
222 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
223 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
224 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
225 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
226 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
227 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
228 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
229 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
232 static const PMbInfo b_sub_mb_type_info[13]={
233 {MB_TYPE_DIRECT2 , 1, },
234 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
235 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
236 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
237 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
238 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
239 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
240 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
241 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
242 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
243 {MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, },
244 {MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, },
245 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
248 static const uint8_t dequant4_coeff_init[6][3]={
257 static const uint8_t dequant8_coeff_init_scan[16] = {
258 0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
260 static const uint8_t dequant8_coeff_init[6][6]={
269 #endif /* AVCODEC_H264DATA_H */