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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 | #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
*
*/
/* start of jpeg frame + quantization table */
static const unsigned char quant[][0x88] = {
/* index 0 - Q40*/
{
0xff, 0xd8, /* jpeg */
0xff, 0xdb, 0x00, 0x84, /* DQT */
0, /* quantization table part 1 */
20, 14, 15, 18, 15, 13, 20, 18, 16, 18, 23, 21, 20, 24, 30, 50,
33, 30, 28, 28, 30, 61, 44, 46, 36, 50, 73, 64, 76, 75, 71, 64,
70, 69, 80, 90, 115, 98, 80, 85, 109, 86, 69, 70, 100, 136, 101,
109,
119, 123, 129, 130, 129, 78, 96, 141, 151, 140, 125, 150, 115,
126, 129, 124,
1, /* quantization table part 2 */
21, 23, 23, 30, 26, 30, 59, 33, 33, 59, 124, 83, 70, 83, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124,
124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124,
124, 124, 124},
/* index 1 - Q50 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
0,
16, 11, 12, 14, 12, 10, 16, 14, 13, 14, 18, 17, 16, 19, 24, 40,
26, 24, 22, 22, 24, 49, 35, 37, 29, 40, 58, 51, 61, 60, 57, 51,
56, 55, 64, 72, 92, 78, 64, 68, 87, 69, 55, 56, 80, 109, 81, 87,
95, 98, 103, 104, 103, 62, 77, 113, 121, 112, 100, 120, 92, 101,
103, 99,
1,
17, 18, 18, 24, 21, 24, 47, 26, 26, 47, 99, 66, 56, 66, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99},
/* index 2 Q60 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
0,
13, 9, 10, 11, 10, 8, 13, 11, 10, 11, 14, 14, 13, 15, 19, 32,
21, 19, 18, 18, 19, 39, 28, 30, 23, 32, 46, 41, 49, 48, 46, 41,
45, 44, 51, 58, 74, 62, 51, 54, 70, 55, 44, 45, 64, 87, 65, 70,
76, 78, 82, 83, 82, 50, 62, 90, 97, 90, 80, 96, 74, 81, 82, 79,
1,
14, 14, 14, 19, 17, 19, 38, 21, 21, 38, 79, 53, 45, 53, 79, 79,
79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79,
79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79, 79},
/* index 3 - Q70 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
0,
10, 7, 7, 8, 7, 6, 10, 8, 8, 8, 11, 10, 10, 11, 14, 24,
16, 14, 13, 13, 14, 29, 21, 22, 17, 24, 35, 31, 37, 36, 34, 31,
34, 33, 38, 43, 55, 47, 38, 41, 52, 41, 33, 34, 48, 65, 49, 52,
57, 59, 62, 62, 62, 37, 46, 68, 73, 67, 60, 72, 55, 61, 62, 59,
1,
10, 11, 11, 14, 13, 14, 28, 16, 16, 28, 59, 40, 34, 40, 59, 59,
59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,
59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59,
59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59, 59},
/* index 4 - Q80 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
0,
6, 4, 5, 6, 5, 4, 6, 6, 5, 6, 7, 7, 6, 8, 10, 16,
10, 10, 9, 9, 10, 20, 14, 15, 12, 16, 23, 20, 24, 24, 23, 20,
22, 22, 26, 29, 37, 31, 26, 27, 35, 28, 22, 22, 32, 44, 32, 35,
38, 39, 41, 42, 41, 25, 31, 45, 48, 45, 40, 48, 37, 40, 41, 40,
1,
7, 7, 7, 10, 8, 10, 19, 10, 10, 19, 40, 26, 22, 26, 40, 40,
40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40,
40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40},
/* index 5 - Q85 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
0,
5, 3, 4, 4, 4, 3, 5, 4, 4, 4, 5, 5, 5, 6, 7, 12,
8, 7, 7, 7, 7, 15, 11, 11, 9, 12, 17, 15, 18, 18, 17, 15,
17, 17, 19, 22, 28, 23, 19, 20, 26, 21, 17, 17, 24, 33, 24, 26,
29, 29, 31, 31, 31, 19, 23, 34, 36, 34, 30, 36, 28, 30, 31, 30,
1,
5, 5, 5, 7, 6, 7, 14, 8, 8, 14, 30, 20, 17, 20, 30, 30,
30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30,
30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30},
/* index 6 - 86 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
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,
},
/* index 7 - 88 */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
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,
},
/* index 8 - ?? */
{
0xff, 0xd8,
0xff, 0xdb, 0x00, 0x84, /* DQT */
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
}
};
/* huffman table + start of SOF0 */
static unsigned char huffman[] = {
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 unsigned char 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 qindex,
int samplesY)
{
#ifndef CONEX_CAM
unsigned char tmpbuf[8];
#endif
gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
(unsigned char *) quant[qindex], sizeof quant[0]);
gspca_frame_add(gspca_dev, INTER_PACKET, frame,
(unsigned char *) huffman, sizeof huffman);
#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
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