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
300
301
302
303
304
305
306
307
308
309
310
311
|
/*
* RV 1.0 compatible encoder.
* Copyright (c) 2000 Gerard Lantau.
*
* The licence of this code is contained in file LICENCE found in the
* same archive
*/
const unsigned char vlc_dc_table[256] = {
0, 1, 2, 2,
3, 3, 3, 3,
4, 4, 4, 4, 4, 4, 4, 4,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
const unsigned char vlc_dc_lum_code[9] = {
0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e,
};
const unsigned char vlc_dc_lum_bits[9] = {
3, 2, 2, 3, 3, 4, 5, 6, 7,
};
const unsigned char vlc_dc_chroma_code[9] = {
0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe,
};
const unsigned char vlc_dc_chroma_bits[9] = {
2, 2, 2, 3, 4, 5, 6, 7, 8,
};
/*
* Copyright (c) 1995 The Regents of the University of California.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose, without fee, and without written agreement is
* hereby granted, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
* OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
* CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#define HUFF_MAXRUN 32
#define HUFF_MAXLEVEL 41
static const int huff_maxlevel[HUFF_MAXRUN] = { 41, 19, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 };
static const UINT8 huff_table0[41] = { 0x0, 0x6, 0x8, 0xa, 0xc, 0x4c, 0x42, 0x14, 0x3a, 0x30, 0x26, 0x20, 0x34, 0x32, 0x30, 0x2e, 0x3e, 0x3c, 0x3a, 0x38, 0x36, 0x34, 0x32, 0x30, 0x2e, 0x2c, 0x2a, 0x28, 0x26, 0x24, 0x22, 0x20, 0x30, 0x2e, 0x2c, 0x2a, 0x28, 0x26, 0x24, 0x22, 0x20 };
static const UINT8 huff_bits0[41] = { 0, 3, 5, 6, 8, 9, 9, 11, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16 };
static const UINT8 huff_table1[19] = { 0x0, 0x6, 0xc, 0x4a, 0x18, 0x36, 0x2c, 0x2a, 0x3e, 0x3c, 0x3a, 0x38, 0x36, 0x34, 0x32, 0x26, 0x24, 0x22, 0x20 };
static const UINT8 huff_bits1[19] = { 0, 4, 7, 9, 11, 13, 14, 14, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17 };
static const UINT8 huff_table2[6] = { 0x0, 0xa, 0x8, 0x16, 0x28, 0x28 };
static const UINT8 huff_bits2[6] = { 0, 5, 8, 11, 13, 14 };
static const UINT8 huff_table3[5] = { 0x0, 0xe, 0x48, 0x38, 0x26 };
static const UINT8 huff_bits3[5] = { 0, 6, 9, 13, 14 };
static const UINT8 huff_table4[4] = { 0x0, 0xc, 0x1e, 0x24 };
static const UINT8 huff_bits4[4] = { 0, 6, 11, 13 };
static const UINT8 huff_table5[4] = { 0x0, 0xe, 0x12, 0x24 };
static const UINT8 huff_bits5[4] = { 0, 7, 11, 14 };
static const UINT8 huff_table6[4] = { 0x0, 0xa, 0x3c, 0x28 };
static const UINT8 huff_bits6[4] = { 0, 7, 13, 17 };
static const UINT8 huff_table7[3] = { 0x0, 0x8, 0x2a };
static const UINT8 huff_bits7[3] = { 0, 7, 13 };
static const UINT8 huff_table8[3] = { 0x0, 0xe, 0x22 };
static const UINT8 huff_bits8[3] = { 0, 8, 13 };
static const UINT8 huff_table9[3] = { 0x0, 0xa, 0x22 };
static const UINT8 huff_bits9[3] = { 0, 8, 14 };
static const UINT8 huff_table10[3] = { 0x0, 0x4e, 0x20 };
static const UINT8 huff_bits10[3] = { 0, 9, 14 };
static const UINT8 huff_table11[3] = { 0x0, 0x46, 0x34 };
static const UINT8 huff_bits11[3] = { 0, 9, 17 };
static const UINT8 huff_table12[3] = { 0x0, 0x44, 0x32 };
static const UINT8 huff_bits12[3] = { 0, 9, 17 };
static const UINT8 huff_table13[3] = { 0x0, 0x40, 0x30 };
static const UINT8 huff_bits13[3] = { 0, 9, 17 };
static const UINT8 huff_table14[3] = { 0x0, 0x1c, 0x2e };
static const UINT8 huff_bits14[3] = { 0, 11, 17 };
static const UINT8 huff_table15[3] = { 0x0, 0x1a, 0x2c };
static const UINT8 huff_bits15[3] = { 0, 11, 17 };
static const UINT8 huff_table16[3] = { 0x0, 0x10, 0x2a };
static const UINT8 huff_bits16[3] = { 0, 11, 17 };
static const UINT8 huff_table17[2] = { 0x0, 0x3e };
static const UINT8 huff_bits17[2] = { 0, 13 };
static const UINT8 huff_table18[2] = { 0x0, 0x34 };
static const UINT8 huff_bits18[2] = { 0, 13 };
static const UINT8 huff_table19[2] = { 0x0, 0x32 };
static const UINT8 huff_bits19[2] = { 0, 13 };
static const UINT8 huff_table20[2] = { 0x0, 0x2e };
static const UINT8 huff_bits20[2] = { 0, 13 };
static const UINT8 huff_table21[2] = { 0x0, 0x2c };
static const UINT8 huff_bits21[2] = { 0, 13 };
static const UINT8 huff_table22[2] = { 0x0, 0x3e };
static const UINT8 huff_bits22[2] = { 0, 14 };
static const UINT8 huff_table23[2] = { 0x0, 0x3c };
static const UINT8 huff_bits23[2] = { 0, 14 };
static const UINT8 huff_table24[2] = { 0x0, 0x3a };
static const UINT8 huff_bits24[2] = { 0, 14 };
static const UINT8 huff_table25[2] = { 0x0, 0x38 };
static const UINT8 huff_bits25[2] = { 0, 14 };
static const UINT8 huff_table26[2] = { 0x0, 0x36 };
static const UINT8 huff_bits26[2] = { 0, 14 };
static const UINT8 huff_table27[2] = { 0x0, 0x3e };
static const UINT8 huff_bits27[2] = { 0, 17 };
static const UINT8 huff_table28[2] = { 0x0, 0x3c };
static const UINT8 huff_bits28[2] = { 0, 17 };
static const UINT8 huff_table29[2] = { 0x0, 0x3a };
static const UINT8 huff_bits29[2] = { 0, 17 };
static const UINT8 huff_table30[2] = { 0x0, 0x38 };
static const UINT8 huff_bits30[2] = { 0, 17 };
static const UINT8 huff_table31[2] = { 0x0, 0x36 };
static const UINT8 huff_bits31[2] = { 0, 17 };
static const UINT8 *huff_table[32] = { huff_table0, huff_table1, huff_table2, huff_table3, huff_table4, huff_table5, huff_table6, huff_table7, huff_table8, huff_table9, huff_table10, huff_table11, huff_table12, huff_table13, huff_table14, huff_table15, huff_table16, huff_table17, huff_table18, huff_table19, huff_table20, huff_table21, huff_table22, huff_table23, huff_table24, huff_table25, huff_table26, huff_table27, huff_table28, huff_table29, huff_table30, huff_table31 };
static const UINT8 *huff_bits[32] = { huff_bits0, huff_bits1, huff_bits2, huff_bits3, huff_bits4, huff_bits5, huff_bits6, huff_bits7, huff_bits8, huff_bits9, huff_bits10, huff_bits11, huff_bits12, huff_bits13, huff_bits14, huff_bits15, huff_bits16, huff_bits17, huff_bits18, huff_bits19, huff_bits20, huff_bits21, huff_bits22, huff_bits23, huff_bits24, huff_bits25, huff_bits26, huff_bits27, huff_bits28, huff_bits29, huff_bits30, huff_bits31 };
static const UINT8 mbAddrIncrTable[][2] = {
{0x0, 0},
{0x1, 1},
{0x3, 3},
{0x2, 3},
{0x3, 4},
{0x2, 4},
{0x3, 5},
{0x2, 5},
{0x7, 7},
{0x6, 7},
{0xb, 8},
{0xa, 8},
{0x9, 8},
{0x8, 8},
{0x7, 8},
{0x6, 8},
{0x17, 10},
{0x16, 10},
{0x15, 10},
{0x14, 10},
{0x13, 10},
{0x12, 10},
{0x23, 11},
{0x22, 11},
{0x21, 11},
{0x20, 11},
{0x1f, 11},
{0x1e, 11},
{0x1d, 11},
{0x1c, 11},
{0x1b, 11},
{0x1a, 11},
{0x19, 11},
{0x18, 11}};
static const UINT8 mbPatTable[][2] = {
{0x0, 0},
{0xb, 5},
{0x9, 5},
{0xd, 6},
{0xd, 4},
{0x17, 7},
{0x13, 7},
{0x1f, 8},
{0xc, 4},
{0x16, 7},
{0x12, 7},
{0x1e, 8},
{0x13, 5},
{0x1b, 8},
{0x17, 8},
{0x13, 8},
{0xb, 4},
{0x15, 7},
{0x11, 7},
{0x1d, 8},
{0x11, 5},
{0x19, 8},
{0x15, 8},
{0x11, 8},
{0xf, 6},
{0xf, 8},
{0xd, 8},
{0x3, 9},
{0xf, 5},
{0xb, 8},
{0x7, 8},
{0x7, 9},
{0xa, 4},
{0x14, 7},
{0x10, 7},
{0x1c, 8},
{0xe, 6},
{0xe, 8},
{0xc, 8},
{0x2, 9},
{0x10, 5},
{0x18, 8},
{0x14, 8},
{0x10, 8},
{0xe, 5},
{0xa, 8},
{0x6, 8},
{0x6, 9},
{0x12, 5},
{0x1a, 8},
{0x16, 8},
{0x12, 8},
{0xd, 5},
{0x9, 8},
{0x5, 8},
{0x5, 9},
{0xc, 5},
{0x8, 8},
{0x4, 8},
{0x4, 9},
{0x7, 3},
{0xa, 5}, /* grrr... 61, 62, 63 added - Kevin */
{0x8, 5},
{0xc, 6}
};
const UINT8 zigzag_direct[64] = {
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63
};
static unsigned char const default_intra_matrix[64] = {
8, 16, 19, 22, 26, 27, 29, 34,
16, 16, 22, 24, 27, 29, 34, 37,
19, 22, 26, 27, 29, 34, 34, 38,
22, 22, 26, 27, 29, 34, 37, 40,
22, 26, 27, 29, 32, 35, 40, 48,
26, 27, 29, 32, 35, 40, 48, 58,
26, 27, 29, 34, 38, 46, 56, 69,
27, 29, 35, 38, 46, 56, 69, 83
};
/* XXX: could hardcode this matrix */
static unsigned char const default_non_intra_matrix[64] = {
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
};
static unsigned char const frame_rate_tab[9] = {
0, 24, 24, 25, 30, 30, 50, 60, 60,
};
|
