2 * H26L/H264/AVC/JVT/14496-10/... encoder/decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
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.
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.
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
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
34 #include "libavutil/rational.h"
35 #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,
40 AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
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
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
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,
62 static const uint8_t chroma_dc_scan[4] = {
63 (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
64 (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
67 static const uint8_t chroma422_dc_scan[8] = {
68 (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,
69 (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,
70 (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,
71 (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,
74 typedef struct IMbInfo {
80 static const IMbInfo i_mb_type_info[26] = {
81 { MB_TYPE_INTRA4x4, -1, -1 },
82 { MB_TYPE_INTRA16x16, 2, 0 },
83 { MB_TYPE_INTRA16x16, 1, 0 },
84 { MB_TYPE_INTRA16x16, 0, 0 },
85 { MB_TYPE_INTRA16x16, 3, 0 },
86 { MB_TYPE_INTRA16x16, 2, 16 },
87 { MB_TYPE_INTRA16x16, 1, 16 },
88 { MB_TYPE_INTRA16x16, 0, 16 },
89 { MB_TYPE_INTRA16x16, 3, 16 },
90 { MB_TYPE_INTRA16x16, 2, 32 },
91 { MB_TYPE_INTRA16x16, 1, 32 },
92 { MB_TYPE_INTRA16x16, 0, 32 },
93 { MB_TYPE_INTRA16x16, 3, 32 },
94 { MB_TYPE_INTRA16x16, 2, 15 + 0 },
95 { MB_TYPE_INTRA16x16, 1, 15 + 0 },
96 { MB_TYPE_INTRA16x16, 0, 15 + 0 },
97 { MB_TYPE_INTRA16x16, 3, 15 + 0 },
98 { MB_TYPE_INTRA16x16, 2, 15 + 16 },
99 { MB_TYPE_INTRA16x16, 1, 15 + 16 },
100 { MB_TYPE_INTRA16x16, 0, 15 + 16 },
101 { MB_TYPE_INTRA16x16, 3, 15 + 16 },
102 { MB_TYPE_INTRA16x16, 2, 15 + 32 },
103 { MB_TYPE_INTRA16x16, 1, 15 + 32 },
104 { MB_TYPE_INTRA16x16, 0, 15 + 32 },
105 { MB_TYPE_INTRA16x16, 3, 15 + 32 },
106 { MB_TYPE_INTRA_PCM, -1, -1 },
109 typedef struct PMbInfo {
111 uint8_t partition_count;
114 static const PMbInfo p_mb_type_info[5] = {
115 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
116 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
117 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
118 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 },
119 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
122 static const PMbInfo p_sub_mb_type_info[4] = {
123 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
124 { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 },
125 { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 },
126 { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 },
129 static const PMbInfo b_mb_type_info[23] = {
130 { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
131 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
132 { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
133 { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
134 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
135 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
136 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
137 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
138 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
139 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
140 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
141 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
142 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
143 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
144 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
145 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
146 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
147 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
148 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
149 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
150 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
151 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
152 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
155 static const PMbInfo b_sub_mb_type_info[13] = {
156 { MB_TYPE_DIRECT2, 1, },
157 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
158 { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
159 { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
160 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
161 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
162 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
163 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
164 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
165 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
166 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, },
167 { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, },
168 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
171 #endif /* AVCODEC_H264DATA_H */