Libav
h264data.c
Go to the documentation of this file.
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 Libav.
6  *
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.
11  *
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.
16  *
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
20  */
21 
29 #include <stdint.h>
30 
31 #include "libavutil/avutil.h"
32 
33 #include "avcodec.h"
34 #include "h264dec.h"
35 #include "h264data.h"
36 
40 };
41 
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 
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 
55  (0 + 0 * 2) * 16, (1 + 0 * 2) * 16,
56  (0 + 1 * 2) * 16, (1 + 1 * 2) * 16,
57 };
58 
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 
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 
96  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1 },
101 };
102 
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 
111  { MB_TYPE_DIRECT2 | MB_TYPE_L0L1, 1, },
112  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
113  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
134 };
135 
137  { MB_TYPE_DIRECT2, 1, },
138  { MB_TYPE_16x16 | MB_TYPE_P0L0, 1, },
139  { MB_TYPE_16x16 | MB_TYPE_P0L1, 1, },
150 };
151 
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 
162  0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1
163 };
164 
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 
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, 3,
178 };
179 
181  0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3,
182  3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6,
183  7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10,
184 };
185 
186 #define QP(qP, depth) ((qP) + 6 * ((depth) - 8))
187 
188 #define CHROMA_QP_TABLE_END(d) \
189  QP(0, d), QP(1, d), QP(2, d), QP(3, d), QP(4, d), QP(5, d), \
190  QP(6, d), QP(7, d), QP(8, d), QP(9, d), QP(10, d), QP(11, d), \
191  QP(12, d), QP(13, d), QP(14, d), QP(15, d), QP(16, d), QP(17, d), \
192  QP(18, d), QP(19, d), QP(20, d), QP(21, d), QP(22, d), QP(23, d), \
193  QP(24, d), QP(25, d), QP(26, d), QP(27, d), QP(28, d), QP(29, d), \
194  QP(29, d), QP(30, d), QP(31, d), QP(32, d), QP(32, d), QP(33, d), \
195  QP(34, d), QP(34, d), QP(35, d), QP(35, d), QP(36, d), QP(36, d), \
196  QP(37, d), QP(37, d), QP(37, d), QP(38, d), QP(38, d), QP(38, d), \
197  QP(39, d), QP(39, d), QP(39, d), QP(39, d)
198 
200  { CHROMA_QP_TABLE_END(8) },
201  { 0, 1, 2, 3, 4, 5,
202  CHROMA_QP_TABLE_END(9) },
203  { 0, 1, 2, 3, 4, 5,
204  6, 7, 8, 9, 10, 11,
205  CHROMA_QP_TABLE_END(10) },
206 };
#define MB_TYPE_INTRA16x16
Definition: avcodec.h:1083
#define MB_TYPE_INTRA4x4
Definition: avcodec.h:1082
external API header
#define MB_TYPE_P0L0
Definition: avcodec.h:1094
const uint8_t ff_h264_quant_rem6[QP_MAX_NUM+1]
Definition: h264data.c:174
Switching Intra.
Definition: avutil.h:264
const uint8_t ff_h264_dequant4_coeff_init[6][3]
Definition: h264data.c:152
uint8_t
#define MB_TYPE_INTRA_PCM
Definition: avcodec.h:1084
const uint8_t ff_h264_chroma_dc_scan[4]
Definition: h264data.c:54
#define MB_TYPE_P1L1
Definition: avcodec.h:1097
const IMbInfo ff_h264_i_mb_type_info[26]
Definition: h264data.c:66
const uint8_t ff_h264_golomb_to_inter_cbp[48]
Definition: h264data.c:48
#define MB_TYPE_P1L0
Definition: avcodec.h:1095
const PMbInfo ff_h264_p_mb_type_info[5]
Definition: h264data.c:95
const uint8_t ff_h264_chroma422_dc_scan[8]
Definition: h264data.c:59
const uint8_t ff_h264_golomb_to_pict_type[5]
Definition: h264data.c:37
#define MB_TYPE_P0L1
Definition: avcodec.h:1096
#define MB_TYPE_DIRECT2
Definition: avcodec.h:1090
#define MB_TYPE_L0L1
Definition: avcodec.h:1100
H.264 / AVC / MPEG-4 part10 codec.
#define MB_TYPE_8x16
Definition: avcodec.h:1087
Libavcodec external API header.
#define MB_TYPE_REF0
Definition: h264dec.h:100
#define QP_MAX_NUM
Definition: h264.h:27
const uint8_t ff_h264_golomb_to_intra4x4_cbp[48]
Definition: h264data.c:42
Switching Predicted.
Definition: avutil.h:265
const uint8_t ff_h264_quant_div6[QP_MAX_NUM+1]
Definition: h264data.c:180
#define MB_TYPE_16x16
Definition: avcodec.h:1085
#define CHROMA_QP_TABLE_END(d)
Definition: h264data.c:188
const uint8_t ff_h264_dequant8_coeff_init[6][6]
Definition: h264data.c:165
const PMbInfo ff_h264_b_mb_type_info[23]
Definition: h264data.c:110
#define MB_TYPE_8x8
Definition: avcodec.h:1088
const PMbInfo ff_h264_p_sub_mb_type_info[4]
Definition: h264data.c:103
Bi-dir predicted.
Definition: avutil.h:262
#define MB_TYPE_16x8
Definition: avcodec.h:1086
const uint8_t ff_h264_chroma_qp[3][QP_MAX_NUM+1]
Definition: h264data.c:199
const PMbInfo ff_h264_b_sub_mb_type_info[13]
Definition: h264data.c:136
const uint8_t ff_h264_dequant8_coeff_init_scan[16]
Definition: h264data.c:161
Predicted.
Definition: avutil.h:261