FFmpeg: libavcodec/h264data.c Source File

FFmpeg
h264data.c
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1 /*
2  * H.26L/H.264/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  * H.264 / AVC / MPEG-4 part10 codec data table
26  * @author Michael Niedermayer <michaelni@gmx.at>
27  */
28 
29 #include <stdint.h>
30 
31 #include "libavutil/avutil.h"
32 
33 #include "h264_parse.h"
34 #include "h264data.h"
35 #include "mpegutils.h"
36 
37  const uint8_t ff_h264_golomb_to_pict_type[5] = {
38  AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, AV_PICTURE_TYPE_I,
39  AV_PICTURE_TYPE_SP, AV_PICTURE_TYPE_SI
40 };
41 
42  const uint8_t ff_h264_golomb_to_intra4x4_cbp[48] = {
43  47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
44  16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
45  8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
46 };
47 
48  const uint8_t ff_h264_golomb_to_inter_cbp[48] = {
49  0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
50  14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
51  17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
52 };
53 
54  const uint8_t ff_h264_chroma_dc_scan[4] = {
55  (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
56  (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
57 };
58 
59  const uint8_t ff_h264_chroma422_dc_scan[8] = {
60  (0 + 0 * 2) * 16, (0 + 1 * 2) * 16,
61  (1 + 0 * 2) * 16, (0 + 2 * 2) * 16,
62  (0 + 3 * 2) * 16, (1 + 1 * 2) * 16,
63  (1 + 2 * 2) * 16, (1 + 3 * 2) * 16,
64 };
65 
66  const IMbInfo ff_h264_i_mb_type_info[26] = {
67  { MB_TYPE_INTRA4x4, -1, -1 },
68  { MB_TYPE_INTRA16x16, 2, 0 },
69  { MB_TYPE_INTRA16x16, 1, 0 },
70  { MB_TYPE_INTRA16x16, 0, 0 },
71  { MB_TYPE_INTRA16x16, 3, 0 },
72  { MB_TYPE_INTRA16x16, 2, 16 },
73  { MB_TYPE_INTRA16x16, 1, 16 },
74  { MB_TYPE_INTRA16x16, 0, 16 },
75  { MB_TYPE_INTRA16x16, 3, 16 },
76  { MB_TYPE_INTRA16x16, 2, 32 },
77  { MB_TYPE_INTRA16x16, 1, 32 },
78  { MB_TYPE_INTRA16x16, 0, 32 },
79  { MB_TYPE_INTRA16x16, 3, 32 },
80  { MB_TYPE_INTRA16x16, 2, 15 + 0 },
81  { MB_TYPE_INTRA16x16, 1, 15 + 0 },
82  { MB_TYPE_INTRA16x16, 0, 15 + 0 },
83  { MB_TYPE_INTRA16x16, 3, 15 + 0 },
84  { MB_TYPE_INTRA16x16, 2, 15 + 16 },
85  { MB_TYPE_INTRA16x16, 1, 15 + 16 },
86  { MB_TYPE_INTRA16x16, 0, 15 + 16 },
87  { MB_TYPE_INTRA16x16, 3, 15 + 16 },
88  { MB_TYPE_INTRA16x16, 2, 15 + 32 },
89  { MB_TYPE_INTRA16x16, 1, 15 + 32 },
90  { MB_TYPE_INTRA16x16, 0, 15 + 32 },
91  { MB_TYPE_INTRA16x16, 3, 15 + 32 },
92  { MB_TYPE_INTRA_PCM, -1, -1 },
93 };
94 
95  const PMbInfo ff_h264_p_mb_type_info[5] = {
96  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
97  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
98  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2 },
99  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4 },
100  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_REF0, 4 },
101 };
102 
103  const PMbInfo ff_h264_p_sub_mb_type_info[4] = {
104  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
105  { MB_TYPE_16x8 | MB_TYPE_P0L0, 2 },
106  { MB_TYPE_8x16 | MB_TYPE_P0L0, 2 },
107  { MB_TYPE_8x8 | MB_TYPE_P0L0, 4 },
108 };
109 
110  const PMbInfo ff_h264_b_mb_type_info[23] = {
111  { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
112  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
113  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
114  { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
115  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
116  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
117  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
118  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
119  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
120  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L1, 2, },
121  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
122  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
123  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
124  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
125  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
126  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
127  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
128  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0, 2, },
129  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
130  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
131  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
132  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
133  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
134 };
135 
136  const PMbInfo ff_h264_b_sub_mb_type_info[13] = {
137  { MB_TYPE_DIRECT2, 1, },
138  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
139  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
140  { MB_TYPE_16x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1, 1, },
141  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
142  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 2, },
143  { MB_TYPE_16x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
144  { MB_TYPE_8x16 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 2, },
145  { MB_TYPE_16x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
146  { MB_TYPE_8x16 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 2, },
147  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P1L0, 4, },
148  { MB_TYPE_8x8 | MB_TYPE_P0L1 | MB_TYPE_P1L1, 4, },
149  { MB_TYPE_8x8 | MB_TYPE_P0L0 | MB_TYPE_P0L1 | MB_TYPE_P1L0 | MB_TYPE_P1L1, 4, },
150 };
151 
152  const uint8_t ff_h264_dequant4_coeff_init[6][3] = {
153  { 10, 13, 16 },
154  { 11, 14, 18 },
155  { 13, 16, 20 },
156  { 14, 18, 23 },
157  { 16, 20, 25 },
158  { 18, 23, 29 },
159 };
160 
161  const uint8_t ff_h264_dequant8_coeff_init_scan[16] = {
162  0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
163 };
164 
165  const uint8_t ff_h264_dequant8_coeff_init[6][6] = {
166  { 20, 18, 32, 19, 25, 24 },
167  { 22, 19, 35, 21, 28, 26 },
168  { 26, 23, 42, 24, 33, 31 },
169  { 28, 25, 45, 26, 35, 33 },
170  { 32, 28, 51, 30, 40, 38 },
171  { 36, 32, 58, 34, 46, 43 },
172 };
173 
174  const uint8_t ff_h264_quant_rem6[QP_MAX_NUM + 1] = {
175  0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
176  3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
177  0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2,
178  3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5,
179  0, 1, 2, 3,
180 };
181 
182  const uint8_t ff_h264_quant_div6[QP_MAX_NUM + 1] = {
183  0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
184  3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
185  7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10,
186  10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13,
187  14,14,14,14,
188 };
189 
190  #define QP(qP, depth) ((qP) + 6 * ((depth) - 8))
191 
192  #define CHROMA_QP_TABLE_END(d) \
193  QP(0, d), QP(1, d), QP(2, d), QP(3, d), QP(4, d), QP(5, d), \
194  QP(6, d), QP(7, d), QP(8, d), QP(9, d), QP(10, d), QP(11, d), \
195  QP(12, d), QP(13, d), QP(14, d), QP(15, d), QP(16, d), QP(17, d), \
196  QP(18, d), QP(19, d), QP(20, d), QP(21, d), QP(22, d), QP(23, d), \
197  QP(24, d), QP(25, d), QP(26, d), QP(27, d), QP(28, d), QP(29, d), \
198  QP(29, d), QP(30, d), QP(31, d), QP(32, d), QP(32, d), QP(33, d), \
199  QP(34, d), QP(34, d), QP(35, d), QP(35, d), QP(36, d), QP(36, d), \
200  QP(37, d), QP(37, d), QP(37, d), QP(38, d), QP(38, d), QP(38, d), \
201  QP(39, d), QP(39, d), QP(39, d), QP(39, d)
202 
203  const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM + 1] = {
204  { CHROMA_QP_TABLE_END(8) },
205  { 0, 1, 2, 3, 4, 5,
206  CHROMA_QP_TABLE_END(9) },
207  { 0, 1, 2, 3, 4, 5,
208  6, 7, 8, 9, 10, 11,
209  CHROMA_QP_TABLE_END(10) },
210  { 0, 1, 2, 3, 4, 5,
211  6, 7, 8, 9, 10, 11,
212  12,13,14,15, 16, 17,
213  CHROMA_QP_TABLE_END(11) },
214  { 0, 1, 2, 3, 4, 5,
215  6, 7, 8, 9, 10, 11,
216  12,13,14,15, 16, 17,
217  18,19,20,21, 22, 23,
218  CHROMA_QP_TABLE_END(12) },
219  { 0, 1, 2, 3, 4, 5,
220  6, 7, 8, 9, 10, 11,
221  12,13,14,15, 16, 17,
222  18,19,20,21, 22, 23,
223  24,25,26,27, 28, 29,
224  CHROMA_QP_TABLE_END(13) },
225  { 0, 1, 2, 3, 4, 5,
226  6, 7, 8, 9, 10, 11,
227  12,13,14,15, 16, 17,
228  18,19,20,21, 22, 23,
229  24,25,26,27, 28, 29,
230  30,31,32,33, 34, 35,
231  CHROMA_QP_TABLE_END(14) },
232 };
ff_h264_chroma_qp
const uint8_t ff_h264_chroma_qp[7][QP_MAX_NUM+1]
Definition: h264data.c:203
MB_TYPE_16x8
#define MB_TYPE_16x8
Definition: mpegutils.h:42
ff_h264_golomb_to_inter_cbp
const uint8_t ff_h264_golomb_to_inter_cbp[48]
Definition: h264data.c:48
h264_parse.h
MB_TYPE_INTRA4x4
#define MB_TYPE_INTRA4x4
Definition: mpegutils.h:38
MB_TYPE_16x16
#define MB_TYPE_16x16
Definition: mpegutils.h:41
ff_h264_golomb_to_intra4x4_cbp
const uint8_t ff_h264_golomb_to_intra4x4_cbp[48]
Definition: h264data.c:42
mpegutils.h
MB_TYPE_INTRA16x16
#define MB_TYPE_INTRA16x16
Definition: mpegutils.h:39
ff_h264_golomb_to_pict_type
const uint8_t ff_h264_golomb_to_pict_type[5]
Definition: h264data.c:37
MB_TYPE_P1L0
#define MB_TYPE_P1L0
Definition: mpegutils.h:54
QP_MAX_NUM
#define QP_MAX_NUM
Definition: h264.h:27
h264data.h
MB_TYPE_8x16
#define MB_TYPE_8x16
Definition: mpegutils.h:43
ff_h264_dequant8_coeff_init_scan
const uint8_t ff_h264_dequant8_coeff_init_scan[16]
Definition: h264data.c:161
MB_TYPE_REF0
#define MB_TYPE_REF0
Definition: h264_parse.h:36
MB_TYPE_8x8
#define MB_TYPE_8x8
Definition: mpegutils.h:44
AV_PICTURE_TYPE_SI
@ AV_PICTURE_TYPE_SI
Switching Intra.
Definition: avutil.h:282
AV_PICTURE_TYPE_I
@ AV_PICTURE_TYPE_I
Intra.
Definition: avutil.h:278
MB_TYPE_INTRA_PCM
#define MB_TYPE_INTRA_PCM
Definition: mpegutils.h:40
MB_TYPE_P0L0
#define MB_TYPE_P0L0
Definition: mpegutils.h:53
ff_h264_chroma_dc_scan
const uint8_t ff_h264_chroma_dc_scan[4]
Definition: h264data.c:54
AV_PICTURE_TYPE_SP
@ AV_PICTURE_TYPE_SP
Switching Predicted.
Definition: avutil.h:283
MB_TYPE_P0L1
#define MB_TYPE_P0L1
Definition: mpegutils.h:55
CHROMA_QP_TABLE_END
#define CHROMA_QP_TABLE_END(d)
Definition: h264data.c:192
ff_h264_dequant8_coeff_init
const uint8_t ff_h264_dequant8_coeff_init[6][6]
Definition: h264data.c:165
ff_h264_chroma422_dc_scan
const uint8_t ff_h264_chroma422_dc_scan[8]
Definition: h264data.c:59
ff_h264_quant_rem6
const uint8_t ff_h264_quant_rem6[QP_MAX_NUM+1]
Definition: h264data.c:174
PMbInfo
Definition: h264data.h:42
ff_h264_b_mb_type_info
const PMbInfo ff_h264_b_mb_type_info[23]
Definition: h264data.c:110
MB_TYPE_L0L1
#define MB_TYPE_L0L1
Definition: mpegutils.h:59
ff_h264_p_sub_mb_type_info
const PMbInfo ff_h264_p_sub_mb_type_info[4]
Definition: h264data.c:103
ff_h264_b_sub_mb_type_info
const PMbInfo ff_h264_b_sub_mb_type_info[13]
Definition: h264data.c:136
ff_h264_p_mb_type_info
const PMbInfo ff_h264_p_mb_type_info[5]
Definition: h264data.c:95
ff_h264_dequant4_coeff_init
const uint8_t ff_h264_dequant4_coeff_init[6][3]
Definition: h264data.c:152
AV_PICTURE_TYPE_B
@ AV_PICTURE_TYPE_B
Bi-dir predicted.
Definition: avutil.h:280
ff_h264_i_mb_type_info
const IMbInfo ff_h264_i_mb_type_info[26]
Definition: h264data.c:66
ff_h264_quant_div6
const uint8_t ff_h264_quant_div6[QP_MAX_NUM+1]
Definition: h264data.c:182
AV_PICTURE_TYPE_P
@ AV_PICTURE_TYPE_P
Predicted.
Definition: avutil.h:279
avutil.h
IMbInfo
Definition: h264data.h:34
MB_TYPE_DIRECT2
#define MB_TYPE_DIRECT2
Definition: mpegutils.h:46
MB_TYPE_P1L1
#define MB_TYPE_P1L1
Definition: mpegutils.h:56
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