8f93e4265350063df9db359b56760fa8ba5cab85
[libav.git] / libavcodec / h264data.h
1 /*
2 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg 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.
11 *
12 * FFmpeg 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.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file libavcodec/h264data.h
24 * @brief
25 * H264 / AVC / MPEG4 part10 codec data table
26 * @author Michael Niedermayer <michaelni@gmx.at>
27 */
28
29 #ifndef AVCODEC_H264DATA_H
30 #define AVCODEC_H264DATA_H
31
32 #include <stdint.h>
33 #include "libavutil/rational.h"
34 #include "mpegvideo.h"
35 #include "h264.h"
36
37
38 static const uint8_t golomb_to_pict_type[5]=
39 {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};
40
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
45 };
46
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
51 };
52
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,
58 };
59
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,
65 };
66
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,
72 };
73
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,
79 };
80
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, //FIXME
84 };
85
86 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
87 static const uint8_t zigzag_scan8x8_cavlc[64]={
88 0+0*8, 1+1*8, 1+2*8, 2+2*8,
89 4+1*8, 0+5*8, 3+3*8, 7+0*8,
90 3+4*8, 1+7*8, 5+3*8, 6+3*8,
91 2+7*8, 6+4*8, 5+6*8, 7+5*8,
92 1+0*8, 2+0*8, 0+3*8, 3+1*8,
93 3+2*8, 0+6*8, 4+2*8, 6+1*8,
94 2+5*8, 2+6*8, 6+2*8, 5+4*8,
95 3+7*8, 7+3*8, 4+7*8, 7+6*8,
96 0+1*8, 3+0*8, 0+4*8, 4+0*8,
97 2+3*8, 1+5*8, 5+1*8, 5+2*8,
98 1+6*8, 3+5*8, 7+1*8, 4+5*8,
99 4+6*8, 7+4*8, 5+7*8, 6+7*8,
100 0+2*8, 2+1*8, 1+3*8, 5+0*8,
101 1+4*8, 2+4*8, 6+0*8, 4+3*8,
102 0+7*8, 4+4*8, 7+2*8, 3+6*8,
103 5+5*8, 6+5*8, 6+6*8, 7+7*8,
104 };
105
106 static const uint8_t field_scan8x8[64]={
107 0+0*8, 0+1*8, 0+2*8, 1+0*8,
108 1+1*8, 0+3*8, 0+4*8, 1+2*8,
109 2+0*8, 1+3*8, 0+5*8, 0+6*8,
110 0+7*8, 1+4*8, 2+1*8, 3+0*8,
111 2+2*8, 1+5*8, 1+6*8, 1+7*8,
112 2+3*8, 3+1*8, 4+0*8, 3+2*8,
113 2+4*8, 2+5*8, 2+6*8, 2+7*8,
114 3+3*8, 4+1*8, 5+0*8, 4+2*8,
115 3+4*8, 3+5*8, 3+6*8, 3+7*8,
116 4+3*8, 5+1*8, 6+0*8, 5+2*8,
117 4+4*8, 4+5*8, 4+6*8, 4+7*8,
118 5+3*8, 6+1*8, 6+2*8, 5+4*8,
119 5+5*8, 5+6*8, 5+7*8, 6+3*8,
120 7+0*8, 7+1*8, 6+4*8, 6+5*8,
121 6+6*8, 6+7*8, 7+2*8, 7+3*8,
122 7+4*8, 7+5*8, 7+6*8, 7+7*8,
123 };
124
125 static const uint8_t field_scan8x8_cavlc[64]={
126 0+0*8, 1+1*8, 2+0*8, 0+7*8,
127 2+2*8, 2+3*8, 2+4*8, 3+3*8,
128 3+4*8, 4+3*8, 4+4*8, 5+3*8,
129 5+5*8, 7+0*8, 6+6*8, 7+4*8,
130 0+1*8, 0+3*8, 1+3*8, 1+4*8,
131 1+5*8, 3+1*8, 2+5*8, 4+1*8,
132 3+5*8, 5+1*8, 4+5*8, 6+1*8,
133 5+6*8, 7+1*8, 6+7*8, 7+5*8,
134 0+2*8, 0+4*8, 0+5*8, 2+1*8,
135 1+6*8, 4+0*8, 2+6*8, 5+0*8,
136 3+6*8, 6+0*8, 4+6*8, 6+2*8,
137 5+7*8, 6+4*8, 7+2*8, 7+6*8,
138 1+0*8, 1+2*8, 0+6*8, 3+0*8,
139 1+7*8, 3+2*8, 2+7*8, 4+2*8,
140 3+7*8, 5+2*8, 4+7*8, 5+4*8,
141 6+3*8, 6+5*8, 7+3*8, 7+7*8,
142 };
143
144 typedef struct IMbInfo{
145 uint16_t type;
146 uint8_t pred_mode;
147 uint8_t cbp;
148 } IMbInfo;
149
150 static const IMbInfo i_mb_type_info[26]={
151 {MB_TYPE_INTRA4x4 , -1, -1},
152 {MB_TYPE_INTRA16x16, 2, 0},
153 {MB_TYPE_INTRA16x16, 1, 0},
154 {MB_TYPE_INTRA16x16, 0, 0},
155 {MB_TYPE_INTRA16x16, 3, 0},
156 {MB_TYPE_INTRA16x16, 2, 16},
157 {MB_TYPE_INTRA16x16, 1, 16},
158 {MB_TYPE_INTRA16x16, 0, 16},
159 {MB_TYPE_INTRA16x16, 3, 16},
160 {MB_TYPE_INTRA16x16, 2, 32},
161 {MB_TYPE_INTRA16x16, 1, 32},
162 {MB_TYPE_INTRA16x16, 0, 32},
163 {MB_TYPE_INTRA16x16, 3, 32},
164 {MB_TYPE_INTRA16x16, 2, 15+0},
165 {MB_TYPE_INTRA16x16, 1, 15+0},
166 {MB_TYPE_INTRA16x16, 0, 15+0},
167 {MB_TYPE_INTRA16x16, 3, 15+0},
168 {MB_TYPE_INTRA16x16, 2, 15+16},
169 {MB_TYPE_INTRA16x16, 1, 15+16},
170 {MB_TYPE_INTRA16x16, 0, 15+16},
171 {MB_TYPE_INTRA16x16, 3, 15+16},
172 {MB_TYPE_INTRA16x16, 2, 15+32},
173 {MB_TYPE_INTRA16x16, 1, 15+32},
174 {MB_TYPE_INTRA16x16, 0, 15+32},
175 {MB_TYPE_INTRA16x16, 3, 15+32},
176 {MB_TYPE_INTRA_PCM , -1, -1},
177 };
178
179 typedef struct PMbInfo{
180 uint16_t type;
181 uint8_t partition_count;
182 } PMbInfo;
183
184 static const PMbInfo p_mb_type_info[5]={
185 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
186 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
187 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
188 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
189 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
190 };
191
192 static const PMbInfo p_sub_mb_type_info[4]={
193 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
194 {MB_TYPE_16x8 |MB_TYPE_P0L0 , 2},
195 {MB_TYPE_8x16 |MB_TYPE_P0L0 , 2},
196 {MB_TYPE_8x8 |MB_TYPE_P0L0 , 4},
197 };
198
199 static const PMbInfo b_mb_type_info[23]={
200 {MB_TYPE_DIRECT2 , 1, },
201 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
202 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
203 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
204 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
205 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
206 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
207 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
208 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
209 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
210 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
211 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
212 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
213 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
214 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
215 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
216 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
217 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
218 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
219 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
220 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
221 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
222 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
223 };
224
225 static const PMbInfo b_sub_mb_type_info[13]={
226 {MB_TYPE_DIRECT2 , 1, },
227 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
228 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
229 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
230 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
231 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
232 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
233 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
234 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
235 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
236 {MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, },
237 {MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, },
238 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
239 };
240
241 static const uint8_t dequant4_coeff_init[6][3]={
242 {10,13,16},
243 {11,14,18},
244 {13,16,20},
245 {14,18,23},
246 {16,20,25},
247 {18,23,29},
248 };
249
250 static const uint8_t dequant8_coeff_init_scan[16] = {
251 0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
252 };
253 static const uint8_t dequant8_coeff_init[6][6]={
254 {20,18,32,19,25,24},
255 {22,19,35,21,28,26},
256 {26,23,42,24,33,31},
257 {28,25,45,26,35,33},
258 {32,28,51,30,40,38},
259 {36,32,58,34,46,43},
260 };
261
262 #endif /* AVCODEC_H264DATA_H */