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h264data.h
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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
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 
34 #include "libavutil/rational.h"
35 #include "mpegvideo.h"
36 #include "h264.h"
37 
38 static const uint8_t golomb_to_pict_type[5] = {
39  AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,
40  AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
41 };
42 
43 static const uint8_t golomb_to_intra4x4_cbp[48] = {
44  47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
45  16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
46  8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
47 };
48 
49 static const uint8_t golomb_to_inter_cbp[48] = {
50  0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
51  14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
52  17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
53 };
54 
55 static const uint8_t zigzag_scan[16+1] = {
56  0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
57  1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
58  1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
59  3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
60 };
61 
62 static const uint8_t field_scan[16+1] = {
63  0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
64  0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
65  2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
66  3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
67 };
68 
69 static const uint8_t luma_dc_zigzag_scan[16] = {
70  0 * 16 + 0 * 64, 1 * 16 + 0 * 64, 2 * 16 + 0 * 64, 0 * 16 + 2 * 64,
71  3 * 16 + 0 * 64, 0 * 16 + 1 * 64, 1 * 16 + 1 * 64, 2 * 16 + 1 * 64,
72  1 * 16 + 2 * 64, 2 * 16 + 2 * 64, 3 * 16 + 2 * 64, 0 * 16 + 3 * 64,
73  3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 2 * 16 + 3 * 64, 3 * 16 + 3 * 64,
74 };
75 
76 static const uint8_t luma_dc_field_scan[16] = {
77  0 * 16 + 0 * 64, 2 * 16 + 0 * 64, 1 * 16 + 0 * 64, 0 * 16 + 2 * 64,
78  2 * 16 + 2 * 64, 3 * 16 + 0 * 64, 1 * 16 + 2 * 64, 3 * 16 + 2 * 64,
79  0 * 16 + 1 * 64, 2 * 16 + 1 * 64, 0 * 16 + 3 * 64, 2 * 16 + 3 * 64,
80  1 * 16 + 1 * 64, 3 * 16 + 1 * 64, 1 * 16 + 3 * 64, 3 * 16 + 3 * 64,
81 };
82 
83 static const uint8_t chroma_dc_scan[4] = {
84  (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
85  (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
86 };
87 
88 static const uint8_t chroma422_dc_scan[8] = {
89  (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,
90  (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,
91  (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,
92  (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,
93 };
94 
95 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
96 static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
97  0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
98  4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
99  3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
100  2 + 7 * 8, 6 + 4 * 8, 5 + 6 * 8, 7 + 5 * 8,
101  1 + 0 * 8, 2 + 0 * 8, 0 + 3 * 8, 3 + 1 * 8,
102  3 + 2 * 8, 0 + 6 * 8, 4 + 2 * 8, 6 + 1 * 8,
103  2 + 5 * 8, 2 + 6 * 8, 6 + 2 * 8, 5 + 4 * 8,
104  3 + 7 * 8, 7 + 3 * 8, 4 + 7 * 8, 7 + 6 * 8,
105  0 + 1 * 8, 3 + 0 * 8, 0 + 4 * 8, 4 + 0 * 8,
106  2 + 3 * 8, 1 + 5 * 8, 5 + 1 * 8, 5 + 2 * 8,
107  1 + 6 * 8, 3 + 5 * 8, 7 + 1 * 8, 4 + 5 * 8,
108  4 + 6 * 8, 7 + 4 * 8, 5 + 7 * 8, 6 + 7 * 8,
109  0 + 2 * 8, 2 + 1 * 8, 1 + 3 * 8, 5 + 0 * 8,
110  1 + 4 * 8, 2 + 4 * 8, 6 + 0 * 8, 4 + 3 * 8,
111  0 + 7 * 8, 4 + 4 * 8, 7 + 2 * 8, 3 + 6 * 8,
112  5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8,
113 };
114 
115 static const uint8_t field_scan8x8[64+1] = {
116  0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
117  1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
118  2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
119  0 + 7 * 8, 1 + 4 * 8, 2 + 1 * 8, 3 + 0 * 8,
120  2 + 2 * 8, 1 + 5 * 8, 1 + 6 * 8, 1 + 7 * 8,
121  2 + 3 * 8, 3 + 1 * 8, 4 + 0 * 8, 3 + 2 * 8,
122  2 + 4 * 8, 2 + 5 * 8, 2 + 6 * 8, 2 + 7 * 8,
123  3 + 3 * 8, 4 + 1 * 8, 5 + 0 * 8, 4 + 2 * 8,
124  3 + 4 * 8, 3 + 5 * 8, 3 + 6 * 8, 3 + 7 * 8,
125  4 + 3 * 8, 5 + 1 * 8, 6 + 0 * 8, 5 + 2 * 8,
126  4 + 4 * 8, 4 + 5 * 8, 4 + 6 * 8, 4 + 7 * 8,
127  5 + 3 * 8, 6 + 1 * 8, 6 + 2 * 8, 5 + 4 * 8,
128  5 + 5 * 8, 5 + 6 * 8, 5 + 7 * 8, 6 + 3 * 8,
129  7 + 0 * 8, 7 + 1 * 8, 6 + 4 * 8, 6 + 5 * 8,
130  6 + 6 * 8, 6 + 7 * 8, 7 + 2 * 8, 7 + 3 * 8,
131  7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
132 };
133 
134 static const uint8_t field_scan8x8_cavlc[64+1] = {
135  0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
136  2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
137  3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
138  5 + 5 * 8, 7 + 0 * 8, 6 + 6 * 8, 7 + 4 * 8,
139  0 + 1 * 8, 0 + 3 * 8, 1 + 3 * 8, 1 + 4 * 8,
140  1 + 5 * 8, 3 + 1 * 8, 2 + 5 * 8, 4 + 1 * 8,
141  3 + 5 * 8, 5 + 1 * 8, 4 + 5 * 8, 6 + 1 * 8,
142  5 + 6 * 8, 7 + 1 * 8, 6 + 7 * 8, 7 + 5 * 8,
143  0 + 2 * 8, 0 + 4 * 8, 0 + 5 * 8, 2 + 1 * 8,
144  1 + 6 * 8, 4 + 0 * 8, 2 + 6 * 8, 5 + 0 * 8,
145  3 + 6 * 8, 6 + 0 * 8, 4 + 6 * 8, 6 + 2 * 8,
146  5 + 7 * 8, 6 + 4 * 8, 7 + 2 * 8, 7 + 6 * 8,
147  1 + 0 * 8, 1 + 2 * 8, 0 + 6 * 8, 3 + 0 * 8,
148  1 + 7 * 8, 3 + 2 * 8, 2 + 7 * 8, 4 + 2 * 8,
149  3 + 7 * 8, 5 + 2 * 8, 4 + 7 * 8, 5 + 4 * 8,
150  6 + 3 * 8, 6 + 5 * 8, 7 + 3 * 8, 7 + 7 * 8,
151 };
152 
153 typedef struct IMbInfo {
154  uint16_t type;
155  uint8_t pred_mode;
156  uint8_t cbp;
157 } IMbInfo;
158 
159 static const IMbInfo i_mb_type_info[26] = {
160  { MB_TYPE_INTRA4x4, -1, -1 },
161  { MB_TYPE_INTRA16x16, 2, 0 },
162  { MB_TYPE_INTRA16x16, 1, 0 },
163  { MB_TYPE_INTRA16x16, 0, 0 },
164  { MB_TYPE_INTRA16x16, 3, 0 },
165  { MB_TYPE_INTRA16x16, 2, 16 },
166  { MB_TYPE_INTRA16x16, 1, 16 },
167  { MB_TYPE_INTRA16x16, 0, 16 },
168  { MB_TYPE_INTRA16x16, 3, 16 },
169  { MB_TYPE_INTRA16x16, 2, 32 },
170  { MB_TYPE_INTRA16x16, 1, 32 },
171  { MB_TYPE_INTRA16x16, 0, 32 },
172  { MB_TYPE_INTRA16x16, 3, 32 },
173  { MB_TYPE_INTRA16x16, 2, 15 + 0 },
174  { MB_TYPE_INTRA16x16, 1, 15 + 0 },
175  { MB_TYPE_INTRA16x16, 0, 15 + 0 },
176  { MB_TYPE_INTRA16x16, 3, 15 + 0 },
177  { MB_TYPE_INTRA16x16, 2, 15 + 16 },
178  { MB_TYPE_INTRA16x16, 1, 15 + 16 },
179  { MB_TYPE_INTRA16x16, 0, 15 + 16 },
180  { MB_TYPE_INTRA16x16, 3, 15 + 16 },
181  { MB_TYPE_INTRA16x16, 2, 15 + 32 },
182  { MB_TYPE_INTRA16x16, 1, 15 + 32 },
183  { MB_TYPE_INTRA16x16, 0, 15 + 32 },
184  { MB_TYPE_INTRA16x16, 3, 15 + 32 },
185  { MB_TYPE_INTRA_PCM, -1, -1 },
186 };
187 
188 typedef struct PMbInfo {
189  uint16_t type;
190  uint8_t partition_count;
191 } PMbInfo;
192 
193 static const PMbInfo p_mb_type_info[5] = {
194  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
195  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
196  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
197  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 },
198  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
199 };
200 
201 static const PMbInfo p_sub_mb_type_info[4] = {
202  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
203  { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 },
204  { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 },
205  { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 },
206 };
207 
208 static const PMbInfo b_mb_type_info[23] = {
209  { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
210  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
211  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
212  { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
213  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
214  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
215  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
216  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
217  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
218  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
219  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
220  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
221  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
222  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
223  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
224  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
225  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
226  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
227  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
228  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
229  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
230  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
231  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
232 };
233 
234 static const PMbInfo b_sub_mb_type_info[13] = {
235  { MB_TYPE_DIRECT2, 1, },
236  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
237  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
238  { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
239  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
240  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
241  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
242  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
243  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
244  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
245  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, },
246  { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, },
247  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
248 };
249 
250 static const uint8_t dequant4_coeff_init[6][3] = {
251  { 10, 13, 16 },
252  { 11, 14, 18 },
253  { 13, 16, 20 },
254  { 14, 18, 23 },
255  { 16, 20, 25 },
256  { 18, 23, 29 },
257 };
258 
259 static const uint8_t dequant8_coeff_init_scan[16] = {
260  0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
261 };
262 
263 static const uint8_t dequant8_coeff_init[6][6] = {
264  { 20, 18, 32, 19, 25, 24 },
265  { 22, 19, 35, 21, 28, 26 },
266  { 26, 23, 42, 24, 33, 31 },
267  { 28, 25, 45, 26, 35, 33 },
268  { 32, 28, 51, 30, 40, 38 },
269  { 36, 32, 58, 34, 46, 43 },
270 };
271 
272 #endif /* AVCODEC_H264DATA_H */
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