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>
31 #include "libavutil/avutil.h"
36 const uint8_t ff_h264_golomb_to_pict_type[5] = {
37 AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,
38 AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
41 const uint8_t ff_h264_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 const uint8_t ff_h264_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 const uint8_t ff_h264_chroma_dc_scan[4] = {
54 (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
55 (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
58 const uint8_t ff_h264_chroma422_dc_scan[8] = {
59 (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,
60 (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,
61 (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,
62 (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,
65 const IMbInfo ff_h264_i_mb_type_info[26] = {
66 { MB_TYPE_INTRA4x4, -1, -1 },
67 { MB_TYPE_INTRA16x16, 2, 0 },
68 { MB_TYPE_INTRA16x16, 1, 0 },
69 { MB_TYPE_INTRA16x16, 0, 0 },
70 { MB_TYPE_INTRA16x16, 3, 0 },
71 { MB_TYPE_INTRA16x16, 2, 16 },
72 { MB_TYPE_INTRA16x16, 1, 16 },
73 { MB_TYPE_INTRA16x16, 0, 16 },
74 { MB_TYPE_INTRA16x16, 3, 16 },
75 { MB_TYPE_INTRA16x16, 2, 32 },
76 { MB_TYPE_INTRA16x16, 1, 32 },
77 { MB_TYPE_INTRA16x16, 0, 32 },
78 { MB_TYPE_INTRA16x16, 3, 32 },
79 { MB_TYPE_INTRA16x16, 2, 15 + 0 },
80 { MB_TYPE_INTRA16x16, 1, 15 + 0 },
81 { MB_TYPE_INTRA16x16, 0, 15 + 0 },
82 { MB_TYPE_INTRA16x16, 3, 15 + 0 },
83 { MB_TYPE_INTRA16x16, 2, 15 + 16 },
84 { MB_TYPE_INTRA16x16, 1, 15 + 16 },
85 { MB_TYPE_INTRA16x16, 0, 15 + 16 },
86 { MB_TYPE_INTRA16x16, 3, 15 + 16 },
87 { MB_TYPE_INTRA16x16, 2, 15 + 32 },
88 { MB_TYPE_INTRA16x16, 1, 15 + 32 },
89 { MB_TYPE_INTRA16x16, 0, 15 + 32 },
90 { MB_TYPE_INTRA16x16, 3, 15 + 32 },
91 { MB_TYPE_INTRA_PCM, -1, -1 },
94 const PMbInfo ff_h264_p_mb_type_info[5] = {
95 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
96 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
97 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
98 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 },
99 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
102 const PMbInfo ff_h264_p_sub_mb_type_info[4] = {
103 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
104 { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 },
105 { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 },
106 { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 },
109 const PMbInfo ff_h264_b_mb_type_info[23] = {
110 { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
111 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
112 { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
113 { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
114 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
115 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
116 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
117 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
118 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
119 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
120 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
121 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
122 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
123 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
124 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
125 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
126 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
127 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
128 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
129 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
130 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
131 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
132 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
135 const PMbInfo ff_h264_b_sub_mb_type_info[13] = {
136 { MB_TYPE_DIRECT2, 1, },
137 { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
138 { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
139 { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
140 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
141 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
142 { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
143 { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
144 { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
145 { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
146 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, },
147 { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, },
148 { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
151 const uint8_t ff_h264_dequant4_coeff_init[6][3] = {
160 const uint8_t ff_h264_dequant8_coeff_init_scan[16] = {
161 0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
164 const uint8_t ff_h264_dequant8_coeff_init[6][6] = {
165 { 20, 18, 32, 19, 25, 24 },
166 { 22, 19, 35, 21, 28, 26 },
167 { 26, 23, 42, 24, 33, 31 },
168 { 28, 25, 45, 26, 35, 33 },
169 { 32, 28, 51, 30, 40, 38 },
170 { 36, 32, 58, 34, 46, 43 },
173 const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1] = {
174 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
175 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
176 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
179 const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1] = {
180 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
181 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
182 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,