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
|
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gphoto2/gphoto2-camera.h>
#include "samples.h"
/* Sample autodetection program.
*
* This program can autodetect multiple cameras and then calls a
* simple function in each of them (summary).
*/
int main(int argc, char **argv) {
CameraList *list;
Camera **cams;
int ret, i, count;
const char *name, *value;
GPContext *context;
context = sample_create_context (); /* see context.c */
/* Detect all the cameras that can be autodetected... */
ret = gp_list_new (&list);
if (ret < GP_OK) return 1;
count = sample_autodetect (list, context);
/* Now open all cameras we autodected for usage */
printf("Number of cameras: %d\n", count);
cams = calloc (sizeof (Camera*),count);
for (i = 0; i < count; i++) {
gp_list_get_name (list, i, &name);
gp_list_get_value (list, i, &value);
ret = sample_open_camera (&cams[i], name, value);
if (ret < GP_OK) fprintf(stderr,"Camera %s on port %s failed to open\n", name, value);
}
/* Now call a simple function in each of those cameras. */
for (i = 0; i < count; i++) {
CameraText text;
char *owner;
ret = gp_camera_get_summary (cams[i], &text, context);
if (ret < GP_OK) {
fprintf (stderr, "Failed to get summary.\n");
continue;
}
gp_list_get_name (list, i, &name);
gp_list_get_value (list, i, &value);
printf("%-30s %-16s\n", name, value);
printf("Summary:\n%s\n", text.text);
/* Query a simple string configuration variable. */
ret = get_config_value_string (cams[i], "owner", &owner, context);
if (ret >= GP_OK) {
printf("Owner: %s\n", owner);
free (owner);
} else {
printf("Owner: No owner found.\n");
}
}
return 0;
}
|
