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
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
|
#ifndef JPEG_H
#define JPEG_H 1
/*
* Insert a JPEG header at start of frame
*
* This module is used by the gspca subdrivers.
* A special case is done for Conexant webcams.
*
* Copyright (C) Jean-Francois Moine (http://moinejf.free.fr)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* generation options
* CONEX_CAM Conexant if present
* QUANT_VAL quantization table (0..8)
*/
/*
* JPEG header:
* - start of jpeg frame
* - quantization table
* - huffman table
* - start of SOF0
*/
static const u8 jpeg_head[] = {
0xff, 0xd8, /* jpeg */
0xff, 0xdb, 0x00, 0x84, /* DQT */
#if QUANT_VAL == 0
/* index 0 - Q40*/
0, /* quantization table part 1 */
0x14, 0x0e, 0x0f, 0x12, 0x0f, 0x0d, 0x14, 0x12,
0x10, 0x12, 0x17, 0x15, 0x14, 0x18, 0x1e, 0x32,
0x21, 0x1e, 0x1c, 0x1c, 0x1e, 0x3d, 0x2c, 0x2e,
0x24, 0x32, 0x49, 0x40, 0x4c, 0x4b, 0x47, 0x40,
0x46, 0x45, 0x50, 0x5a, 0x73, 0x62, 0x50, 0x55,
0x6d, 0x56, 0x45, 0x46, 0x64, 0x88, 0x65, 0x6d,
0x77, 0x7b, 0x81, 0x82, 0x81, 0x4e, 0x60, 0x8d,
0x97, 0x8c, 0x7d, 0x96, 0x73, 0x7e, 0x81, 0x7c,
1, /* quantization table part 2 */
0x15, 0x17, 0x17, 0x1e, 0x1a, 0x1e, 0x3b, 0x21,
0x21, 0x3b, 0x7c, 0x53, 0x46, 0x53, 0x7c, 0x0c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c,
#elif QUANT_VAL == 1
/* index 1 - Q50 */
0,
0x10, 0x0b, 0x0c, 0x0e, 0x0c, 0x0a, 0x10, 0x0e,
0x0d, 0x0e, 0x12, 0x11, 0x10, 0x13, 0x18, 0x28,
0x1a, 0x18, 0x16, 0x16, 0x18, 0x31, 0x23, 0x25,
0x1d, 0x28, 0x3a, 0x33, 0x3d, 0x3c, 0x39, 0x33,
0x38, 0x37, 0x40, 0x48, 0x5c, 0x4e, 0x40, 0x44,
0x57, 0x45, 0x37, 0x38, 0x50, 0x6d, 0x51, 0x57,
0x5f, 0x62, 0x67, 0x68, 0x67, 0x3e, 0x4d, 0x71,
0x79, 0x70, 0x64, 0x78, 0x5c, 0x65, 0x67, 0x63,
1,
0x11, 0x12, 0x12, 0x18, 0x15, 0x18, 0x2f, 0x1a,
0x1a, 0x2f, 0x63, 0x42, 0x38, 0x42, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
#elif QUANT_VAL == 2
/* index 2 Q60 */
0,
0x0d, 0x09, 0x0a, 0x0b, 0x0a, 0x08, 0x0d, 0x0b,
0x0a, 0x0b, 0x0e, 0x0e, 0x0d, 0x0f, 0x13, 0x20,
0x15, 0x13, 0x12, 0x12, 0x13, 0x27, 0x1c, 0x1e,
0x17, 0x20, 0x2e, 0x29, 0x31, 0x30, 0x2e, 0x29,
0x2d, 0x2c, 0x33, 0x3a, 0x4a, 0x3e, 0x33, 0x36,
0x46, 0x37, 0x2c, 0x2d, 0x40, 0x57, 0x41, 0x46,
0x4c, 0x4e, 0x52, 0x53, 0x52, 0x32, 0x3e, 0x5a,
0x61, 0x5a, 0x50, 0x60, 0x4a, 0x51, 0x52, 0x4f,
1,
0x0e, 0x0e, 0x0e, 0x13, 0x11, 0x13, 0x26, 0x15,
0x15, 0x26, 0x4f, 0x35, 0x2d, 0x35, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
#elif QUANT_VAL == 3
/* index 3 - Q70 */
0,
0x0a, 0x07, 0x07, 0x08, 0x07, 0x06, 0x0a, 0x08,
0x08, 0x08, 0x0b, 0x0a, 0x0a, 0x0b, 0x0e, 0x18,
0x10, 0x0e, 0x0d, 0x0d, 0x0e, 0x1d, 0x15, 0x16,
0x11, 0x18, 0x23, 0x1f, 0x25, 0x24, 0x22, 0x1f,
0x22, 0x21, 0x26, 0x2b, 0x37, 0x2f, 0x26, 0x29,
0x34, 0x29, 0x21, 0x22, 0x30, 0x41, 0x31, 0x34,
0x39, 0x3b, 0x3e, 0x3e, 0x3e, 0x25, 0x2e, 0x44,
0x49, 0x43, 0x3c, 0x48, 0x37, 0x3d, 0x3e, 0x3b,
1,
0x0a, 0x0b, 0x0b, 0x0e, 0x0d, 0x0e, 0x1c, 0x10,
0x10, 0x1c, 0x3b, 0x28, 0x22, 0x28, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b, 0x3b,
#elif QUANT_VAL == 4
/* index 4 - Q80 */
0,
0x06, 0x04, 0x05, 0x06, 0x05, 0x04, 0x06, 0x06,
0x05, 0x06, 0x07, 0x07, 0x06, 0x08, 0x0a, 0x10,
0x0a, 0x0a, 0x09, 0x09, 0x0a, 0x14, 0x0e, 0x0f,
0x0c, 0x10, 0x17, 0x14, 0x18, 0x18, 0x17, 0x14,
0x16, 0x16, 0x1a, 0x1d, 0x25, 0x1f, 0x1a, 0x1b,
0x23, 0x1c, 0x16, 0x16, 0x20, 0x2c, 0x20, 0x23,
0x26, 0x27, 0x29, 0x2a, 0x29, 0x19, 0x1f, 0x2d,
0x30, 0x2d, 0x28, 0x30, 0x25, 0x28, 0x29, 0x28,
1,
0x07, 0x07, 0x07, 0x0a, 0x08, 0x0a, 0x13, 0x0a,
0x0a, 0x13, 0x28, 0x1a, 0x16, 0x1a, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28,
#elif QUANT_VAL == 5
/* index 5 - Q85 */
0,
0x05, 0x03, 0x04, 0x04, 0x04, 0x03, 0x05, 0x04,
0x04, 0x04, 0x05, 0x05, 0x05, 0x06, 0x07, 0x0c,
0x08, 0x07, 0x07, 0x07, 0x07, 0x0f, 0x0b, 0x0b,
0x09, 0x0c, 0x11, 0x0f, 0x12, 0x12, 0x11, 0x0f,
0x11, 0x11, 0x13, 0x16, 0x1c, 0x17, 0x13, 0x14,
0x1a, 0x15, 0x11, 0x11, 0x18, 0x21, 0x18, 0x1a,
0x1d, 0x1d, 0x1f, 0x1f, 0x1f, 0x13, 0x17, 0x22,
0x24, 0x22, 0x1e, 0x24, 0x1c, 0x1e, 0x1f, 0x1e,
1,
0x05, 0x05, 0x05, 0x07, 0x06, 0x07, 0x0e, 0x08,
0x08, 0x0e, 0x1e, 0x14, 0x11, 0x14, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e, 0x1e,
#elif QUANT_VAL == 6
/* index 6 - 86 */
0,
0x04, 0x03, 0x03, 0x04, 0x03, 0x03, 0x04, 0x04,
0x04, 0x04, 0x05, 0x05, 0x04, 0x05, 0x07, 0x0B,
0x07, 0x07, 0x06, 0x06, 0x07, 0x0e, 0x0a, 0x0a,
0x08, 0x0B, 0x10, 0x0e, 0x11, 0x11, 0x10, 0x0e,
0x10, 0x0f, 0x12, 0x14, 0x1a, 0x16, 0x12, 0x13,
0x18, 0x13, 0x0f, 0x10, 0x16, 0x1f, 0x17, 0x18,
0x1b, 0x1b, 0x1d, 0x1d, 0x1d, 0x11, 0x16, 0x20,
0x22, 0x1f, 0x1c, 0x22, 0x1a, 0x1c, 0x1d, 0x1c,
1,
0x05, 0x05, 0x05, 0x07, 0x06, 0x07, 0x0D, 0x07,
0x07, 0x0D, 0x1c, 0x12, 0x10, 0x12, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c, 0x1c,
#elif QUANT_VAL == 7
/* index 7 - 88 */
0,
0x04, 0x03, 0x03, 0x03, 0x03, 0x02, 0x04, 0x03,
0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x06, 0x0a,
0x06, 0x06, 0x05, 0x05, 0x06, 0x0C, 0x08, 0x09,
0x07, 0x0a, 0x0e, 0x0c, 0x0f, 0x0e, 0x0e, 0x0c,
0x0d, 0x0d, 0x0f, 0x11, 0x16, 0x13, 0x0f, 0x10,
0x15, 0x11, 0x0d, 0x0d, 0x13, 0x1a, 0x13, 0x15,
0x17, 0x18, 0x19, 0x19, 0x19, 0x0f, 0x12, 0x1b,
0x1d, 0x1b, 0x18, 0x1d, 0x16, 0x18, 0x19, 0x18,
1,
0x04, 0x04, 0x04, 0x06, 0x05, 0x06, 0x0B, 0x06,
0x06, 0x0B, 0x18, 0x10, 0x0d, 0x10, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
#elif QUANT_VAL == 8
/* index 8 - ?? */
0,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x05,
0x03, 0x03, 0x03, 0x03, 0x03, 0x06, 0x04, 0x05,
0x04, 0x05, 0x07, 0x06, 0x08, 0x08, 0x07, 0x06,
0x07, 0x07, 0x08, 0x09, 0x0c, 0x0a, 0x08, 0x09,
0x0B, 0x09, 0x07, 0x07, 0x0a, 0x0e, 0x0a, 0x0b,
0x0c, 0x0c, 0x0d, 0x0d, 0x0d, 0x08, 0x0a, 0x0e,
0x0f, 0x0e, 0x0d, 0x0f, 0x0c, 0x0d, 0x0d, 0x0c,
1,
0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x06, 0x03,
0x03, 0x06, 0x0c, 0x08, 0x07, 0x08, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
#else
#error "Invalid quantization table"
#endif
/* huffman table */
0xff, 0xc4, 0x01, 0xa2,
0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
0x07, 0x08, 0x09, 0x0a, 0x0b, 0x01, 0x00, 0x03,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03,
0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00,
0x00, 0x01, 0x7d, 0x01, 0x02, 0x03, 0x00, 0x04,
0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13,
0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81,
0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15,
0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82,
0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25,
0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36,
0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46,
0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56,
0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66,
0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76,
0x77, 0x78, 0x79, 0x7a, 0x83, 0x84, 0x85, 0x86,
0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95,
0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4,
0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3,
0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2,
0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca,
0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5,
0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0x11, 0x00, 0x02,
0x01, 0x02, 0x04, 0x04, 0x03, 0x04, 0x07, 0x05,
0x04, 0x04, 0x00, 0x01, 0x02, 0x77, 0x00, 0x01,
0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06,
0x12, 0x41, 0x51, 0x07, 0x61, 0x71, 0x13, 0x22,
0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1,
0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, 0x62,
0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25,
0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28,
0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a,
0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a,
0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a,
0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a,
0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a,
0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3,
0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2,
0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa,
#ifdef CONEX_CAM
/* the Conexant frames start with SOF0 */
#else
0xff, 0xc0, 0x00, 0x11, /* SOF0 (start of frame 0 */
0x08, /* data precision */
#endif
};
#ifndef CONEX_CAM
/* variable part:
* 0x01, 0xe0, height
* 0x02, 0x80, width
* 0x03, component number
* 0x01,
* 0x21, samples Y
*/
/* end of header */
static u8 eoh[] = {
0x00, /* quant Y */
0x02, 0x11, 0x01, /* samples CbCr - quant CbCr */
0x03, 0x11, 0x01,
0xff, 0xda, 0x00, 0x0c, /* SOS (start of scan) */
0x03, 0x01, 0x00, 0x02, 0x11, 0x03, 0x11, 0x00, 0x3f, 0x00
};
#endif
/* -- output the JPEG header -- */
static void jpeg_put_header(struct gspca_dev *gspca_dev,
struct gspca_frame *frame,
int samplesY)
{
#ifndef CONEX_CAM
u8 tmpbuf[8];
#endif
gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
jpeg_head, sizeof jpeg_head);
#ifndef CONEX_CAM
tmpbuf[0] = gspca_dev->height >> 8;
tmpbuf[1] = gspca_dev->height & 0xff;
tmpbuf[2] = gspca_dev->width >> 8;
tmpbuf[3] = gspca_dev->width & 0xff;
tmpbuf[4] = 0x03; /* component number */
tmpbuf[5] = 0x01; /* first component */
tmpbuf[6] = samplesY;
gspca_frame_add(gspca_dev, INTER_PACKET, frame,
tmpbuf, 7);
gspca_frame_add(gspca_dev, INTER_PACKET, frame,
eoh, sizeof eoh);
#endif
}
#endif
|
