FFmpeg
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
h263data.h
Go to the documentation of this file.
1 /*
2  * copyright (c) 2000,2001 Fabrice Bellard
3  * H263+ support
4  * copyright (c) 2001 Juan J. Sierralta P
5  * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 /**
25  * @file
26  * H.263 tables.
27  */
28 
29 #ifndef AVCODEC_H263DATA_H
30 #define AVCODEC_H263DATA_H
31 
32 #include <stdint.h>
33 #include "mpegvideo.h"
34 
35 /* intra MCBPC, mb_type = (intra), then (intraq) */
36 const uint8_t ff_h263_intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
37 const uint8_t ff_h263_intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };
38 
39 /* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
40 /* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */
41 const uint8_t ff_h263_inter_MCBPC_code[28] = {
42  1, 3, 2, 5,
43  3, 4, 3, 3,
44  3, 7, 6, 5,
45  4, 4, 3, 2,
46  2, 5, 4, 5,
47  1, 0, 0, 0, /* Stuffing */
48  2, 12, 14, 15,
49 };
50 const uint8_t ff_h263_inter_MCBPC_bits[28] = {
51  1, 4, 4, 6, /* inter */
52  5, 8, 8, 7, /* intra */
53  3, 7, 7, 9, /* interQ */
54  6, 9, 9, 9, /* intraQ */
55  3, 7, 7, 8, /* inter4 */
56  9, 0, 0, 0, /* Stuffing */
57  11, 13, 13, 13,/* inter4Q*/
58 };
59 
60 const uint8_t ff_h263_mbtype_b_tab[15][2] = {
61  {1, 1},
62  {3, 3},
63  {1, 5},
64  {4, 4},
65  {5, 4},
66  {6, 6},
67  {2, 4},
68  {3, 4},
69  {7, 6},
70  {4, 6},
71  {5, 6},
72  {1, 6},
73  {1,10},
74  {1, 7},
75  {1, 8},
76 };
77 
78 const uint8_t ff_cbpc_b_tab[4][2] = {
79 {0, 1},
80 {2, 2},
81 {7, 3},
82 {6, 3},
83 };
84 
85 const uint8_t ff_h263_cbpy_tab[16][2] =
86 {
87  {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
88  {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
89 };
90 
91 const uint8_t ff_mvtab[33][2] =
92 {
93  {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
94  {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
95  {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
96  {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
97  {2,12}
98 };
99 
100 /* third non intra table */
101 const uint16_t ff_inter_vlc[103][2] = {
102 { 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
103 { 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
104 { 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
105 { 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
106 { 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
107 { 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
108 { 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
109 { 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
110 { 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
111 { 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
112 { 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
113 { 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
114 { 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
115 { 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
116 { 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
117 { 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
118 { 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
119 { 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
120 { 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
121 { 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
122 { 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
123 { 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
124 { 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
125 { 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
126 { 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
127 { 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
128 };
129 
130 const int8_t ff_inter_level[102] = {
131  1, 2, 3, 4, 5, 6, 7, 8,
132  9, 10, 11, 12, 1, 2, 3, 4,
133  5, 6, 1, 2, 3, 4, 1, 2,
134  3, 1, 2, 3, 1, 2, 3, 1,
135  2, 3, 1, 2, 1, 2, 1, 2,
136  1, 2, 1, 1, 1, 1, 1, 1,
137  1, 1, 1, 1, 1, 1, 1, 1,
138  1, 1, 1, 2, 3, 1, 2, 1,
139  1, 1, 1, 1, 1, 1, 1, 1,
140  1, 1, 1, 1, 1, 1, 1, 1,
141  1, 1, 1, 1, 1, 1, 1, 1,
142  1, 1, 1, 1, 1, 1, 1, 1,
143  1, 1, 1, 1, 1, 1,
144 };
145 
146 const int8_t ff_inter_run[102] = {
147  0, 0, 0, 0, 0, 0, 0, 0,
148  0, 0, 0, 0, 1, 1, 1, 1,
149  1, 1, 2, 2, 2, 2, 3, 3,
150  3, 4, 4, 4, 5, 5, 5, 6,
151  6, 6, 7, 7, 8, 8, 9, 9,
152  10, 10, 11, 12, 13, 14, 15, 16,
153  17, 18, 19, 20, 21, 22, 23, 24,
154  25, 26, 0, 0, 0, 1, 1, 2,
155  3, 4, 5, 6, 7, 8, 9, 10,
156  11, 12, 13, 14, 15, 16, 17, 18,
157  19, 20, 21, 22, 23, 24, 25, 26,
158  27, 28, 29, 30, 31, 32, 33, 34,
159  35, 36, 37, 38, 39, 40,
160 };
161 
162 RLTable ff_h263_rl_inter = {
163  102,
164  58,
165  ff_inter_vlc,
166  ff_inter_run,
167  ff_inter_level,
168 };
169 
170 static const uint16_t intra_vlc_aic[103][2] = {
171 { 0x2, 2 }, { 0x6, 3 }, { 0xe, 4 }, { 0xc, 5 },
172 { 0xd, 5 }, { 0x10, 6 }, { 0x11, 6 }, { 0x12, 6 },
173 { 0x16, 7 }, { 0x1b, 8 }, { 0x20, 9 }, { 0x21, 9 },
174 { 0x1a, 9 }, { 0x1b, 9 }, { 0x1c, 9 }, { 0x1d, 9 },
175 { 0x1e, 9 }, { 0x1f, 9 }, { 0x23, 11 }, { 0x22, 11 },
176 { 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
177 { 0x53, 12 }, { 0xf, 4 }, { 0x14, 6 }, { 0x14, 7 },
178 { 0x1e, 8 }, { 0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
179 { 0xb, 5 }, { 0x15, 7 }, { 0xe, 10 }, { 0x9, 10 },
180 { 0x15, 6 }, { 0x1d, 8 }, { 0xd, 10 }, { 0x51, 12 },
181 { 0x13, 6 }, { 0x23, 9 }, { 0x7, 11 }, { 0x17, 7 },
182 { 0x22, 9 }, { 0x52, 12 }, { 0x1c, 8 }, { 0xc, 10 },
183 { 0x1f, 8 }, { 0xb, 10 }, { 0x25, 9 }, { 0xa, 10 },
184 { 0x24, 9 }, { 0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
185 { 0x8, 10 }, { 0x20, 11 }, { 0x7, 4 }, { 0xc, 6 },
186 { 0x10, 7 }, { 0x13, 8 }, { 0x11, 9 }, { 0x12, 9 },
187 { 0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
188 { 0xf, 6 }, { 0x13, 9 }, { 0x5, 10 }, { 0x25, 11 },
189 { 0xe, 6 }, { 0x14, 9 }, { 0x24, 11 }, { 0xd, 6 },
190 { 0x6, 10 }, { 0x5e, 12 }, { 0x11, 7 }, { 0x7, 10 },
191 { 0x13, 7 }, { 0x5d, 12 }, { 0x12, 7 }, { 0x5c, 12 },
192 { 0x14, 8 }, { 0x5b, 12 }, { 0x15, 8 }, { 0x1a, 8 },
193 { 0x19, 8 }, { 0x18, 8 }, { 0x17, 8 }, { 0x16, 8 },
194 { 0x19, 9 }, { 0x15, 9 }, { 0x16, 9 }, { 0x18, 9 },
195 { 0x17, 9 }, { 0x4, 11 }, { 0x5, 11 }, { 0x58, 12 },
196 { 0x59, 12 }, { 0x5a, 12 }, { 0x3, 7 },
197 };
198 
199 static const int8_t intra_run_aic[102] = {
200  0, 0, 0, 0, 0, 0, 0, 0,
201  0, 0, 0, 0, 0, 0, 0, 0,
202  0, 0, 0, 0, 0, 0, 0, 0,
203  0, 1, 1, 1, 1, 1, 1, 1,
204  2, 2, 2, 2, 3, 3, 3, 3,
205  4, 4, 4, 5, 5, 5, 6, 6,
206  7, 7, 8, 8, 9, 9, 10, 11,
207 12, 13, 0, 0, 0, 0, 0, 0,
208  0, 0, 0, 0, 1, 1, 1, 1,
209  2, 2, 2, 3, 3, 3, 4, 4,
210  5, 5, 6, 6, 7, 7, 8, 9,
211 10, 11, 12, 13, 14, 15, 16, 17,
212 18, 19, 20, 21, 22, 23,
213 };
214 
215 static const int8_t intra_level_aic[102] = {
216  1, 2, 3, 4, 5, 6, 7, 8,
217  9, 10, 11, 12, 13, 14, 15, 16,
218 17, 18, 19, 20, 21, 22, 23, 24,
219 25, 1, 2, 3, 4, 5, 6, 7,
220  1, 2, 3, 4, 1, 2, 3, 4,
221  1, 2, 3, 1, 2, 3, 1, 2,
222  1, 2, 1, 2, 1, 2, 1, 1,
223  1, 1, 1, 2, 3, 4, 5, 6,
224  7, 8, 9, 10, 1, 2, 3, 4,
225  1, 2, 3, 1, 2, 3, 1, 2,
226  1, 2, 1, 2, 1, 2, 1, 1,
227  1, 1, 1, 1, 1, 1, 1, 1,
228  1, 1, 1, 1, 1, 1,
229 };
230 
231 RLTable ff_rl_intra_aic = {
232  102,
233  58,
234  intra_vlc_aic,
235  intra_run_aic,
236  intra_level_aic,
237 };
238 
239 const uint16_t ff_h263_format[8][2] = {
240  { 0, 0 },
241  { 128, 96 },
242  { 176, 144 },
243  { 352, 288 },
244  { 704, 576 },
245  { 1408, 1152 },
246 };
247 
248 const uint8_t ff_aic_dc_scale_table[32]={
249 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
250  0, 2, 4, 6, 8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62
251 };
252 
253 const uint8_t ff_modified_quant_tab[2][32]={
254 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
255 {
256  0, 3, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9,10,11,12,13,14,15,16,17,18,18,19,20,21,22,23,24,25,26,27,28
257 },{
258  0, 2, 3, 4, 5, 6, 7, 8, 9,10,11,13,14,15,16,17,18,19,20,21,22,24,25,26,27,28,29,30,31,31,31,26
259 }
260 };
261 
262 const uint8_t ff_h263_chroma_qscale_table[32]={
263 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
264  0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 9, 9,10,10,11,11,12,12,12,13,13,13,14,14,14,14,14,15,15,15,15,15
265 };
266 
267 const uint16_t ff_mba_max[6]={
268  47, 98, 395,1583,6335,9215
269 };
270 
271 const uint8_t ff_mba_length[7]={
272  6, 7, 9, 11, 13, 14, 14
273 };
274 
275 const uint8_t ff_h263_loop_filter_strength[32]={
276 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
277  0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9,10,10,10,11,11,11,12,12,12
278 };
279 
280 const AVRational ff_h263_pixel_aspect[16]={
281  {0, 1},
282  {1, 1},
283  {12, 11},
284  {10, 11},
285  {16, 11},
286  {40, 33},
287  {0, 1},
288  {0, 1},
289  {0, 1},
290  {0, 1},
291  {0, 1},
292  {0, 1},
293  {0, 1},
294  {0, 1},
295  {0, 1},
296  {0, 1},
297 };
298 
299 #endif /* AVCODEC_H263DATA_H */
Generated on Sat May 25 2013 03:58:34 for FFmpeg by   doxygen 1.8.2