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author Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date Tue, 25 Sep 2012 15:55:33 +0200
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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 #include "avcodec.h"
34 //#include "h264.h"
35
36 /*
37 o-o o-o
38 / / /
39 o-o o-o
40 ,---'
41 o-o o-o
42 / / /
43 o-o o-o
44 */
45 //This table must be here because scan8[constant] must be known at compiletime
46 static const uint8_t scan8[16 + 2*4]={
47 4+1*8, 5+1*8, 4+2*8, 5+2*8,
48 6+1*8, 7+1*8, 6+2*8, 7+2*8,
49 4+3*8, 5+3*8, 4+4*8, 5+4*8,
50 6+3*8, 7+3*8, 6+4*8, 7+4*8,
51 1+1*8, 2+1*8,
52 1+2*8, 2+2*8,
53 1+4*8, 2+4*8,
54 1+5*8, 2+5*8,
55 };
56
57 static const uint8_t golomb_to_pict_type[5]=
58 {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE};
59
60 static const uint8_t golomb_to_intra4x4_cbp[48]={
61 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
62 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
63 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
64 };
65
66 static const uint8_t golomb_to_inter_cbp[48]={
67 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
68 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
69 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
70 };
71
72 static const uint8_t zigzag_scan[16]={
73 0+0*4, 1+0*4, 0+1*4, 0+2*4,
74 1+1*4, 2+0*4, 3+0*4, 2+1*4,
75 1+2*4, 0+3*4, 1+3*4, 2+2*4,
76 3+1*4, 3+2*4, 2+3*4, 3+3*4,
77 };
78
79 static const uint8_t field_scan[16]={
80 0+0*4, 0+1*4, 1+0*4, 0+2*4,
81 0+3*4, 1+1*4, 1+2*4, 1+3*4,
82 2+0*4, 2+1*4, 2+2*4, 2+3*4,
83 3+0*4, 3+1*4, 3+2*4, 3+3*4,
84 };
85
86 static const uint8_t luma_dc_zigzag_scan[16]={
87 0*16 + 0*64, 1*16 + 0*64, 2*16 + 0*64, 0*16 + 2*64,
88 3*16 + 0*64, 0*16 + 1*64, 1*16 + 1*64, 2*16 + 1*64,
89 1*16 + 2*64, 2*16 + 2*64, 3*16 + 2*64, 0*16 + 3*64,
90 3*16 + 1*64, 1*16 + 3*64, 2*16 + 3*64, 3*16 + 3*64,
91 };
92
93 static const uint8_t luma_dc_field_scan[16]={
94 0*16 + 0*64, 2*16 + 0*64, 1*16 + 0*64, 0*16 + 2*64,
95 2*16 + 2*64, 3*16 + 0*64, 1*16 + 2*64, 3*16 + 2*64,
96 0*16 + 1*64, 2*16 + 1*64, 0*16 + 3*64, 2*16 + 3*64,
97 1*16 + 1*64, 3*16 + 1*64, 1*16 + 3*64, 3*16 + 3*64,
98 };
99
100 static const uint8_t chroma_dc_scan[4]={
101 (0+0*2)*16, (1+0*2)*16,
102 (0+1*2)*16, (1+1*2)*16, //FIXME
103 };
104
105
106 static const uint8_t field_scan8x8[64]={
107 0+0*8, 0+1*8, 0+2*8, 1+0*8,
108 1+1*8, 0+3*8, 0+4*8, 1+2*8,
109 2+0*8, 1+3*8, 0+5*8, 0+6*8,
110 0+7*8, 1+4*8, 2+1*8, 3+0*8,
111 2+2*8, 1+5*8, 1+6*8, 1+7*8,
112 2+3*8, 3+1*8, 4+0*8, 3+2*8,
113 2+4*8, 2+5*8, 2+6*8, 2+7*8,
114 3+3*8, 4+1*8, 5+0*8, 4+2*8,
115 3+4*8, 3+5*8, 3+6*8, 3+7*8,
116 4+3*8, 5+1*8, 6+0*8, 5+2*8,
117 4+4*8, 4+5*8, 4+6*8, 4+7*8,
118 5+3*8, 6+1*8, 6+2*8, 5+4*8,
119 5+5*8, 5+6*8, 5+7*8, 6+3*8,
120 7+0*8, 7+1*8, 6+4*8, 6+5*8,
121 6+6*8, 6+7*8, 7+2*8, 7+3*8,
122 7+4*8, 7+5*8, 7+6*8, 7+7*8,
123 };
124
125 typedef struct IMbInfo{
126 uint16_t type;
127 uint8_t pred_mode;
128 uint8_t cbp;
129 } IMbInfo;
130
131 static const IMbInfo i_mb_type_info[26]={
132 {MB_TYPE_INTRA4x4 , -1, -1},
133 {MB_TYPE_INTRA16x16, 2, 0},
134 {MB_TYPE_INTRA16x16, 1, 0},
135 {MB_TYPE_INTRA16x16, 0, 0},
136 {MB_TYPE_INTRA16x16, 3, 0},
137 {MB_TYPE_INTRA16x16, 2, 16},
138 {MB_TYPE_INTRA16x16, 1, 16},
139 {MB_TYPE_INTRA16x16, 0, 16},
140 {MB_TYPE_INTRA16x16, 3, 16},
141 {MB_TYPE_INTRA16x16, 2, 32},
142 {MB_TYPE_INTRA16x16, 1, 32},
143 {MB_TYPE_INTRA16x16, 0, 32},
144 {MB_TYPE_INTRA16x16, 3, 32},
145 {MB_TYPE_INTRA16x16, 2, 15+0},
146 {MB_TYPE_INTRA16x16, 1, 15+0},
147 {MB_TYPE_INTRA16x16, 0, 15+0},
148 {MB_TYPE_INTRA16x16, 3, 15+0},
149 {MB_TYPE_INTRA16x16, 2, 15+16},
150 {MB_TYPE_INTRA16x16, 1, 15+16},
151 {MB_TYPE_INTRA16x16, 0, 15+16},
152 {MB_TYPE_INTRA16x16, 3, 15+16},
153 {MB_TYPE_INTRA16x16, 2, 15+32},
154 {MB_TYPE_INTRA16x16, 1, 15+32},
155 {MB_TYPE_INTRA16x16, 0, 15+32},
156 {MB_TYPE_INTRA16x16, 3, 15+32},
157 {MB_TYPE_INTRA_PCM , -1, -1},
158 };
159
160 typedef struct PMbInfo{
161 uint16_t type;
162 uint8_t partition_count;
163 } PMbInfo;
164
165 static const PMbInfo p_mb_type_info[5]={
166 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
167 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
168 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P1L0, 2},
169 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0, 4},
170 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_REF0, 4},
171 };
172
173 static const PMbInfo p_sub_mb_type_info[4]={
174 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1},
175 {MB_TYPE_16x8 |MB_TYPE_P0L0 , 2},
176 {MB_TYPE_8x16 |MB_TYPE_P0L0 , 2},
177 {MB_TYPE_8x8 |MB_TYPE_P0L0 , 4},
178 };
179
180 static const PMbInfo b_mb_type_info[23]={
181 {MB_TYPE_DIRECT2|MB_TYPE_L0L1 , 1, },
182 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
183 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
184 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
185 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
186 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
187 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
188 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
189 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
190 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L1, 2, },
191 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
192 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
193 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
194 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
195 {MB_TYPE_16x8 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
196 {MB_TYPE_8x16 |MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
197 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
198 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0 , 2, },
199 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
200 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
201 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
202 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
203 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
204 };
205
206 static const PMbInfo b_sub_mb_type_info[13]={
207 {MB_TYPE_DIRECT2 , 1, },
208 {MB_TYPE_16x16|MB_TYPE_P0L0 , 1, },
209 {MB_TYPE_16x16 |MB_TYPE_P0L1 , 1, },
210 {MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1 , 1, },
211 {MB_TYPE_16x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
212 {MB_TYPE_8x16 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 2, },
213 {MB_TYPE_16x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
214 {MB_TYPE_8x16 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 2, },
215 {MB_TYPE_16x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
216 {MB_TYPE_8x16 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 2, },
217 {MB_TYPE_8x8 |MB_TYPE_P0L0 |MB_TYPE_P1L0 , 4, },
218 {MB_TYPE_8x8 |MB_TYPE_P0L1 |MB_TYPE_P1L1, 4, },
219 {MB_TYPE_8x8 |MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_P1L0|MB_TYPE_P1L1, 4, },
220 };
221
222 static const uint8_t dequant4_coeff_init[6][3]={
223 {10,13,16},
224 {11,14,18},
225 {13,16,20},
226 {14,18,23},
227 {16,20,25},
228 {18,23,29},
229 };
230
231 static const uint8_t dequant8_coeff_init_scan[16] = {
232 0,3,4,3, 3,1,5,1, 4,5,2,5, 3,1,5,1
233 };
234 static const uint8_t dequant8_coeff_init[6][6]={
235 {20,18,32,19,25,24},
236 {22,19,35,21,28,26},
237 {26,23,42,24,33,31},
238 {28,25,45,26,35,33},
239 {32,28,51,30,40,38},
240 {36,32,58,34,46,43},
241 };
242
243 #endif /* AVCODEC_H264DATA_H */