aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/h263data.h
blob: 20a9ab441a1408f67176feed9a2b611da167c11e (plain) (blame)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
/*
 * copyright (c) 2000,2001 Fabrice Bellard
 * H263+ support
 * copyright (c) 2001 Juan J. Sierralta P
 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file libavcodec/h263data.h
 * H.263 tables.
 */

#ifndef AVCODEC_H263DATA_H
#define AVCODEC_H263DATA_H

#include <stdint.h>
#include "mpegvideo.h"

/* intra MCBPC, mb_type = (intra), then (intraq) */
const uint8_t ff_h263_intra_MCBPC_code[9] = { 1, 1, 2, 3, 1, 1, 2, 3, 1 };
const uint8_t ff_h263_intra_MCBPC_bits[9] = { 1, 3, 3, 3, 4, 6, 6, 6, 9 };

/* inter MCBPC, mb_type = (inter), (intra), (interq), (intraq), (inter4v) */
/* Changed the tables for interq and inter4v+q, following the standard ** Juanjo ** */
const uint8_t ff_h263_inter_MCBPC_code[28] = {
    1, 3, 2, 5,
    3, 4, 3, 3,
    3, 7, 6, 5,
    4, 4, 3, 2,
    2, 5, 4, 5,
    1, 0, 0, 0, /* Stuffing */
    2, 12, 14, 15,
};
const uint8_t ff_h263_inter_MCBPC_bits[28] = {
    1, 4, 4, 6, /* inter  */
    5, 8, 8, 7, /* intra  */
    3, 7, 7, 9, /* interQ */
    6, 9, 9, 9, /* intraQ */
    3, 7, 7, 8, /* inter4 */
    9, 0, 0, 0, /* Stuffing */
    11, 13, 13, 13,/* inter4Q*/
};

const uint8_t h263_mbtype_b_tab[15][2] = {
 {1, 1},
 {3, 3},
 {1, 5},
 {4, 4},
 {5, 4},
 {6, 6},
 {2, 4},
 {3, 4},
 {7, 6},
 {4, 6},
 {5, 6},
 {1, 6},
 {1,10},
 {1, 7},
 {1, 8},
};

const uint8_t cbpc_b_tab[4][2] = {
{0, 1},
{2, 2},
{7, 3},
{6, 3},
};

const uint8_t ff_h263_cbpy_tab[16][2] =
{
  {3,4}, {5,5}, {4,5}, {9,4}, {3,5}, {7,4}, {2,6}, {11,4},
  {2,5}, {3,6}, {5,4}, {10,4}, {4,4}, {8,4}, {6,4}, {3,2}
};

const uint8_t mvtab[33][2] =
{
  {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7},
  {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10},
  {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10},
  {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12},
  {2,12}
};

/* third non intra table */
const uint16_t inter_vlc[103][2] = {
{ 0x2, 2 },{ 0xf, 4 },{ 0x15, 6 },{ 0x17, 7 },
{ 0x1f, 8 },{ 0x25, 9 },{ 0x24, 9 },{ 0x21, 10 },
{ 0x20, 10 },{ 0x7, 11 },{ 0x6, 11 },{ 0x20, 11 },
{ 0x6, 3 },{ 0x14, 6 },{ 0x1e, 8 },{ 0xf, 10 },
{ 0x21, 11 },{ 0x50, 12 },{ 0xe, 4 },{ 0x1d, 8 },
{ 0xe, 10 },{ 0x51, 12 },{ 0xd, 5 },{ 0x23, 9 },
{ 0xd, 10 },{ 0xc, 5 },{ 0x22, 9 },{ 0x52, 12 },
{ 0xb, 5 },{ 0xc, 10 },{ 0x53, 12 },{ 0x13, 6 },
{ 0xb, 10 },{ 0x54, 12 },{ 0x12, 6 },{ 0xa, 10 },
{ 0x11, 6 },{ 0x9, 10 },{ 0x10, 6 },{ 0x8, 10 },
{ 0x16, 7 },{ 0x55, 12 },{ 0x15, 7 },{ 0x14, 7 },
{ 0x1c, 8 },{ 0x1b, 8 },{ 0x21, 9 },{ 0x20, 9 },
{ 0x1f, 9 },{ 0x1e, 9 },{ 0x1d, 9 },{ 0x1c, 9 },
{ 0x1b, 9 },{ 0x1a, 9 },{ 0x22, 11 },{ 0x23, 11 },
{ 0x56, 12 },{ 0x57, 12 },{ 0x7, 4 },{ 0x19, 9 },
{ 0x5, 11 },{ 0xf, 6 },{ 0x4, 11 },{ 0xe, 6 },
{ 0xd, 6 },{ 0xc, 6 },{ 0x13, 7 },{ 0x12, 7 },
{ 0x11, 7 },{ 0x10, 7 },{ 0x1a, 8 },{ 0x19, 8 },
{ 0x18, 8 },{ 0x17, 8 },{ 0x16, 8 },{ 0x15, 8 },
{ 0x14, 8 },{ 0x13, 8 },{ 0x18, 9 },{ 0x17, 9 },
{ 0x16, 9 },{ 0x15, 9 },{ 0x14, 9 },{ 0x13, 9 },
{ 0x12, 9 },{ 0x11, 9 },{ 0x7, 10 },{ 0x6, 10 },
{ 0x5, 10 },{ 0x4, 10 },{ 0x24, 11 },{ 0x25, 11 },
{ 0x26, 11 },{ 0x27, 11 },{ 0x58, 12 },{ 0x59, 12 },
{ 0x5a, 12 },{ 0x5b, 12 },{ 0x5c, 12 },{ 0x5d, 12 },
{ 0x5e, 12 },{ 0x5f, 12 },{ 0x3, 7 },
};

static const int8_t inter_level[102] = {
  1,  2,  3,  4,  5,  6,  7,  8,
  9, 10, 11, 12,  1,  2,  3,  4,
  5,  6,  1,  2,  3,  4,  1,  2,
  3,  1,  2,  3,  1,  2,  3,  1,
  2,  3,  1,  2,  1,  2,  1,  2,
  1,  2,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  2,  3,  1,  2,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,  1,  1,
  1,  1,  1,  1,  1,  1,
};

static const int8_t inter_run[102] = {
  0,  0,  0,  0,  0,  0,  0,  0,
  0,  0,  0,  0,  1,  1,  1,  1,
  1,  1,  2,  2,  2,  2,  3,  3,
  3,  4,  4,  4,  5,  5,  5,  6,
  6,  6,  7,  7,  8,  8,  9,  9,
 10, 10, 11, 12, 13, 14, 15, 16,
 17, 18, 19, 20, 21, 22, 23, 24,
 25, 26,  0,  0,  0,  1,  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, 32, 33, 34,
 35, 36, 37, 38, 39, 40,
};

RLTable ff_h263_rl_inter = {
    102,
    58,
    inter_vlc,
    inter_run,
    inter_level,
};

static const uint16_t intra_vlc_aic[103][2] = {
{  0x2,  2 }, {  0x6,  3 }, {  0xe,  4 }, {  0xc,  5 },
{  0xd,  5 }, { 0x10,  6 }, { 0x11,  6 }, { 0x12,  6 },
{ 0x16,  7 }, { 0x1b,  8 }, { 0x20,  9 }, { 0x21,  9 },
{ 0x1a,  9 }, { 0x1b,  9 }, { 0x1c,  9 }, { 0x1d,  9 },
{ 0x1e,  9 }, { 0x1f,  9 }, { 0x23, 11 }, { 0x22, 11 },
{ 0x57, 12 }, { 0x56, 12 }, { 0x55, 12 }, { 0x54, 12 },
{ 0x53, 12 }, {  0xf,  4 }, { 0x14,  6 }, { 0x14,  7 },
{ 0x1e,  8 }, {  0xf, 10 }, { 0x21, 11 }, { 0x50, 12 },
{  0xb,  5 }, { 0x15,  7 }, {  0xe, 10 }, {  0x9, 10 },
{ 0x15,  6 }, { 0x1d,  8 }, {  0xd, 10 }, { 0x51, 12 },
{ 0x13,  6 }, { 0x23,  9 }, {  0x7, 11 }, { 0x17,  7 },
{ 0x22,  9 }, { 0x52, 12 }, { 0x1c,  8 }, {  0xc, 10 },
{ 0x1f,  8 }, {  0xb, 10 }, { 0x25,  9 }, {  0xa, 10 },
{ 0x24,  9 }, {  0x6, 11 }, { 0x21, 10 }, { 0x20, 10 },
{  0x8, 10 }, { 0x20, 11 }, {  0x7,  4 }, {  0xc,  6 },
{ 0x10,  7 }, { 0x13,  8 }, { 0x11,  9 }, { 0x12,  9 },
{  0x4, 10 }, { 0x27, 11 }, { 0x26, 11 }, { 0x5f, 12 },
{  0xf,  6 }, { 0x13,  9 }, {  0x5, 10 }, { 0x25, 11 },
{  0xe,  6 }, { 0x14,  9 }, { 0x24, 11 }, {  0xd,  6 },
{  0x6, 10 }, { 0x5e, 12 }, { 0x11,  7 }, {  0x7, 10 },
{ 0x13,  7 }, { 0x5d, 12 }, { 0x12,  7 }, { 0x5c, 12 },
{ 0x14,  8 }, { 0x5b, 12 }, { 0x15,  8 }, { 0x1a,  8 },
{ 0x19,  8 }, { 0x18,  8 }, { 0x17,  8 }, { 0x16,  8 },
{ 0x19,  9 }, { 0x15,  9 }, { 0x16,  9 }, { 0x18,  9 },
{ 0x17,  9 }, {  0x4, 11 }, {  0x5, 11 }, { 0x58, 12 },
{ 0x59, 12 }, { 0x5a, 12 }, {  0x3,  7 },
};

static const int8_t intra_run_aic[102] = {
 0,  0,  0,  0,  0,  0,  0,  0,
 0,  0,  0,  0,  0,  0,  0,  0,
 0,  0,  0,  0,  0,  0,  0,  0,
 0,  1,  1,  1,  1,  1,  1,  1,
 2,  2,  2,  2,  3,  3,  3,  3,
 4,  4,  4,  5,  5,  5,  6,  6,
 7,  7,  8,  8,  9,  9, 10, 11,
12, 13,  0,  0,  0,  0,  0,  0,
 0,  0,  0,  0,  1,  1,  1,  1,
 2,  2,  2,  3,  3,  3,  4,  4,
 5,  5,  6,  6,  7,  7,  8,  9,
10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23,
};

static const int8_t intra_level_aic[102] = {
 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,  1,  2,  3,  4,  5,  6,  7,
 1,  2,  3,  4,  1,  2,  3,  4,
 1,  2,  3,  1,  2,  3,  1,  2,
 1,  2,  1,  2,  1,  2,  1,  1,
 1,  1,  1,  2,  3,  4,  5,  6,
 7,  8,  9, 10,  1,  2,  3,  4,
 1,  2,  3,  1,  2,  3,  1,  2,
 1,  2,  1,  2,  1,  2,  1,  1,
 1,  1,  1,  1,  1,  1,  1,  1,
 1,  1,  1,  1,  1,  1,
};

RLTable rl_intra_aic = {
    102,
    58,
    intra_vlc_aic,
    intra_run_aic,
    intra_level_aic,
};

const uint16_t h263_format[8][2] = {
    { 0, 0 },
    { 128, 96 },
    { 176, 144 },
    { 352, 288 },
    { 704, 576 },
    { 1408, 1152 },
};

const uint8_t ff_aic_dc_scale_table[32]={
//  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
    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
};

const uint8_t modified_quant_tab[2][32]={
//  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
{
    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
},{
    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
}
};

const uint8_t ff_h263_chroma_qscale_table[32]={
//  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
    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
};

uint16_t ff_mba_max[6]={
     47,  98, 395,1583,6335,9215
};

uint8_t ff_mba_length[7]={
      6,   7,   9,  11,  13,  14,  14
};

const uint8_t ff_h263_loop_filter_strength[32]={
//  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
    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
};

const AVRational ff_h263_pixel_aspect[16]={
 {0, 1},
 {1, 1},
 {12, 11},
 {10, 11},
 {16, 11},
 {40, 33},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
 {0, 1},
};

#endif /* AVCODEC_H263DATA_H */