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
|
/* sane - Scanner Access Now Easy.
Copyright (C) 2004 -2006 Gerard Klaver (gerard at gkall dot hobby dot nl)
The teco2 and gl646 backend (Frank Zago) are used as a template for
this backend.
For the usb commands and bayer decoding parts of the following
program are used:
The pencam2 program (GNU GPL license 2)
For the usb commands parts of the following programs are used:
The libgphoto2 (camlib stv0680) (GNU GPL license 2)
The stv680.c/.h kernel module (GNU GPL license 2)
For the stv680_add_text routine the add_text routine and font_6x11.h file
are taken from the webcam.c file, part of xawtv program,
(c) 1998-2002 Gerd Knorr (GNU GPL license 2).
This file is part of the SANE package.
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 (at your option) 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.
---------------------------------------------------------------------
*/
/*
$Id$
update 20-04-2006*/
/* Commands supported by the vidcam. */
/*--------------------------------------------------------------------------*/
static inline int
getbitfield (unsigned char *pageaddr, int mask, int shift)
{
return ((*pageaddr >> shift) & mask);
}
/*--------------------------------------------------------------------------*/
#include <stdio.h>
#define LIBUSB_TIMEOUT 1000 /* ms */
typedef unsigned char byte;
/*--------------------------------------------------------------------------*/
/* Black magic for color adjustment. */
struct dpi_color_adjust
{
int resolution_x; /* x-resolution */
int resolution_y; /* y-resolution */
int z1_color_0; /* 0, 1 or 2 */
int z1_color_1; /* idem */
int z1_color_2; /* idem */
};
/*--------------------------------------------------------------------------*/
enum Stv680_Option
{
/* Must come first */
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_MODE, /* vidcam modes */
OPT_RESOLUTION, /* X and Y resolution */
OPT_BRIGHTNESS, /* brightness */
OPT_ENHANCEMENT_GROUP,
OPT_WHITE_LEVEL_R, /*white level red correction */
OPT_WHITE_LEVEL_G, /*white level green correction */
OPT_WHITE_LEVEL_B, /*white level blue correction */
/* must come last: */
OPT_NUM_OPTIONS
};
/*--------------------------------------------------------------------------*/
/*
* Video Camera supported by this backend.
*/
struct vidcam_hardware
{
/* USB stuff */
SANE_Word vendor;
SANE_Word product;
SANE_Word class;
/* Readable names */
const char *vendor_name; /* brand on the box */
const char *product_name; /* name on the box */
/* Resolutions supported in color mode. */
const struct dpi_color_adjust *color_adjust;
};
#define COLOR_RAW_STR SANE_I18N("Color RAW")
#define COLOR_RGB_STR SANE_I18N("Color RGB")
#define COLOR_RGB_TEXT_STR SANE_I18N("Color RGB TEXT")
/*--------------------------------------------------------------------------*/
/* Define a vidcam occurence. */
typedef struct Stv680_Vidcam
{
struct Stv680_Vidcam *next;
SANE_Device sane;
char *devicename;
SANE_Int fd; /* device handle */
/* USB handling */
size_t buffer_size; /* size of the buffer */
SANE_Byte *buffer; /* for USB transfer. */
/* Bayer handling */
size_t output_size; /* size of the output */
SANE_Byte *output; /* for bayer conversion */
size_t image_size; /* allocated size of image */
size_t image_begin; /* first significant byte in image */
size_t image_end; /* first free byte in image */
SANE_Byte *image; /* keep the raw image here */
/* USB control messages handling */
size_t windoww_size; /* size of window write */
size_t windowr_size; /* size of window read */
SANE_Byte *windoww; /* for window write */
SANE_Byte *windowr; /* for window read */
/* Scanner infos. */
const struct vidcam_hardware *hw; /* default options for that vidcam */
SANE_Word *resolutions_list;
SANE_Word *color_sequence_list;
/* Scanning handling. */
SANE_Bool scanning; /* TRUE if a scan is running. */
SANE_Bool deliver_eof;
int x_resolution; /* X resolution */
int y_resolution; /* Y resolution */
int depth; /* depth per color */
unsigned int colour;
int red_s;
int green_s;
int blue_s;
SANE_Parameters s_params;
enum
{
STV680_COLOR_RGB,
STV680_COLOR_RGB_TEXT,
STV680_COLOR,
STV680_COLOR_RAW
}
scan_mode;
size_t bytes_left; /* number of bytes left to give to the backend */
size_t real_bytes_left; /* number of bytes left the vidcam will return. */
int bytes_pixel;
const struct dpi_color_adjust *color_adjust;
SANE_Parameters params;
/* Options */
SANE_Option_Descriptor opt[OPT_NUM_OPTIONS];
Option_Value val[OPT_NUM_OPTIONS];
unsigned int video_mode; /* 0x0100 = VGA, 0x0000 = CIF,
* 0x0300 = QVGA, 0x0200 = QCIF*/
unsigned int video_status; /* 0x01=start, 0x02=video, 0x04=busy, 0x08=idle */
int SupportedModes;
int HardwareConfig;
int QSIF;
int CIF;
int VGA;
int QVGA;
int QCIF;
int cwidth; /* camera width */
int cheight;
int subsample;
int framecount;
char picmsg_ps[50];
}
Stv680_Vidcam;
/*--------------------------------------------------------------------------*/
/* Debug levels.
* Should be common to all backends. */
#define DBG_error0 0
#define DBG_error 1
#define DBG_sense 2
#define DBG_warning 3
#define DBG_inquiry 4
#define DBG_info 5
#define DBG_info2 6
#define DBG_proc 7
#define DBG_read 8
#define DBG_sane_init 10
#define DBG_sane_proc 11
#define DBG_sane_info 12
#define DBG_sane_option 13
/*--------------------------------------------------------*/
static SANE_Byte red_g[256] = {
0, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
18, 18, 18, 18, 18, 18, 18, 25, 30, 35, 38, 42,
44, 47, 50, 53, 54, 57, 59, 61, 63, 65, 67, 69,
71, 71, 73, 75, 77, 78, 80, 81, 82, 84, 85, 87,
88, 89, 90, 91, 93, 94, 95, 97, 98, 98, 99, 101,
102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
114, 115, 116, 116, 117, 118, 119, 120, 121, 122, 123, 124,
125, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134,
134, 135, 135, 136, 137, 138, 139, 140, 140, 141, 142, 143,
143, 143, 144, 145, 146, 147, 147, 148, 149, 150, 150, 151,
152, 152, 152, 153, 154, 154, 155, 156, 157, 157, 158, 159,
159, 160, 161, 161, 161, 162, 163, 163, 164, 165, 165, 166,
167, 167, 168, 168, 169, 170, 170, 170, 171, 171, 172, 173,
173, 174, 174, 175, 176, 176, 177, 178, 178, 179, 179, 179,
180, 180, 181, 181, 182, 183, 183, 184, 184, 185, 185, 186,
187, 187, 188, 188, 188, 188, 189, 190, 190, 191, 191, 192,
192, 193, 193, 194, 195, 195, 196, 196, 197, 197, 197, 197,
198, 198, 199, 199, 200, 201, 201, 202, 202, 203, 203, 204,
204, 205, 205, 206, 206, 206, 206, 207, 207, 208, 208, 209,
209, 210, 210, 211, 211, 212, 212, 213, 213, 214, 214, 215,
215, 215, 215, 216, 216, 217, 217, 218, 218, 218, 219, 219,
220, 220, 221, 221
};
static SANE_Byte green_g[256] = {
0, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
21, 21, 21, 21, 21, 21, 21, 28, 34, 39, 43, 47,
50, 53, 56, 59, 61, 64, 66, 68, 71, 73, 75, 77,
79, 80, 82, 84, 86, 87, 89, 91, 92, 94, 95, 97,
98, 100, 101, 102, 104, 105, 106, 108, 109, 110, 111, 113,
114, 115, 116, 117, 118, 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, 144, 145, 146, 147, 148, 149,
150, 151, 151, 152, 153, 154, 155, 156, 156, 157, 158, 159,
160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168,
169, 170, 170, 171, 172, 172, 173, 174, 175, 175, 176, 177,
177, 178, 179, 179, 180, 181, 182, 182, 183, 184, 184, 185,
186, 186, 187, 187, 188, 189, 189, 190, 191, 191, 192, 193,
193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200,
201, 201, 202, 202, 203, 204, 204, 205, 205, 206, 206, 207,
208, 208, 209, 209, 210, 210, 211, 212, 212, 213, 213, 214,
214, 215, 215, 216, 217, 217, 218, 218, 219, 219, 220, 220,
221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
227, 228, 228, 229, 229, 230, 230, 231, 231, 232, 232, 233,
233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
239, 240, 240, 241, 241, 242, 242, 243, 243, 243, 244, 244,
245, 245, 246, 246
};
static SANE_Byte blue_g[256] = {
0, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 30, 37, 42, 47, 51,
55, 58, 61, 64, 67, 70, 72, 74, 78, 80, 82, 84,
86, 88, 90, 92, 94, 95, 97, 100, 101, 103, 104, 106,
107, 110, 111, 112, 114, 115, 116, 118, 119, 121, 122, 124,
125, 126, 127, 128, 129, 132, 133, 134, 135, 136, 137, 138,
139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151,
152, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163,
165, 166, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174,
176, 176, 177, 178, 179, 180, 180, 181, 182, 183, 183, 184,
185, 187, 187, 188, 189, 189, 190, 191, 192, 192, 193, 194,
194, 195, 196, 196, 198, 199, 200, 200, 201, 202, 202, 203,
204, 204, 205, 205, 206, 207, 207, 209, 210, 210, 211, 212,
212, 213, 213, 214, 215, 215, 216, 217, 217, 218, 218, 220,
221, 221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227,
228, 228, 229, 229, 231, 231, 232, 233, 233, 234, 234, 235,
235, 236, 236, 237, 238, 238, 239, 239, 240, 240, 242, 242,
243, 243, 244, 244, 245, 246, 246, 247, 247, 248, 248, 249,
249, 250, 250, 251, 251, 253, 253, 254, 254, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255
};
|
