File: tutorial-grabber-1394.cpp

package info (click to toggle)
visp 3.6.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 119,296 kB
  • sloc: cpp: 500,914; ansic: 52,904; xml: 22,642; python: 7,365; java: 4,247; sh: 482; makefile: 237; objc: 145
file content (180 lines) | stat: -rw-r--r-- 6,824 bytes parent folder | download
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
//! \example tutorial-grabber-1394.cpp
#include <visp3/core/vpImage.h>
#include <visp3/gui/vpDisplayOpenCV.h>
#include <visp3/gui/vpDisplayX.h>
#include <visp3/io/vpImageStorageWorker.h>
#include <visp3/sensor/vp1394TwoGrabber.h>

void usage(const char *argv[], int error)
{
  std::cout << "SYNOPSIS" << std::endl
            << "  " << argv[0] << " [--change-settings]"
            << " [--seqname <sequence name>]"
            << " [--record <mode>]"
            << " [--no-display]"
            << " [--help] [-h]" << std::endl
            << std::endl;
  std::cout << "DESCRIPTION" << std::endl
            << "  --change-settings" << std::endl
            << "    Force camera settings to acquire 640x480 images in M0NO8 at 60 fps." << std::endl
            << std::endl
            << "  --seqname <sequence name>" << std::endl
            << "    Name of the sequence of image to create (ie: /tmp/image%04d.jpg)." << std::endl
            << "    Default: empty." << std::endl
            << std::endl
            << "  --record <mode>" << std::endl
            << "    Allowed values for mode are:" << std::endl
            << "      0: record all the captures images (continuous mode)," << std::endl
            << "      1: record only images selected by a user click (single shot mode)." << std::endl
            << "    Default mode: 0" << std::endl
            << std::endl
            << "  --no-display" << std::endl
            << "    Disable displaying captured images." << std::endl
            << "    When used and sequence name specified, record mode is internally set to 1 (continuous mode)."
            << std::endl
            << std::endl
            << "  --help, -h" << std::endl
            << "    Print this helper message." << std::endl
            << std::endl;
  std::cout << "USAGE" << std::endl
            << "  Example to visualize images:" << std::endl
            << "    " << argv[0] << std::endl
            << std::endl
            << "  Examples to record a sequence:" << std::endl
            << "    " << argv[0] << " --seqname I%04d.png" << std::endl
            << "    " << argv[0] << " --seqname folder/I%04d.png --record 0" << std::endl
            << std::endl
            << "  Examples to record single shot images:\n"
            << "    " << argv[0] << " --seqname I%04d.png --record 1\n"
            << "    " << argv[0] << " --seqname folder/I%04d.png --record 1" << std::endl
            << std::endl;

  if (error) {
    std::cout << "Error" << std::endl
              << "  "
              << "Unsupported parameter " << argv[error] << std::endl;
  }
}

int main(int argc, const char *argv[])
{
#if defined(VISP_HAVE_DC1394) && (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
  try {
    std::string opt_seqname;
    int opt_record_mode = 0;
    bool opt_change_settings = false;
    bool opt_display = true;

    for (int i = 1; i < argc; i++) {
      if (std::string(argv[i]) == "--change-settings") {
        opt_change_settings = true;
      } else if (std::string(argv[i]) == "--seqname") {
        opt_seqname = std::string(argv[i + 1]);
        i++;
      } else if (std::string(argv[i]) == "--record") {
        opt_record_mode = std::atoi(argv[i + 1]);
        i++;
      } else if (std::string(argv[i]) == "--no-display") {
        opt_display = false;
      } else if (std::string(argv[i]) == "--help" || std::string(argv[i]) == "-h") {
        usage(argv, 0);
        return EXIT_SUCCESS;
      } else {
        usage(argv, i);
        return EXIT_FAILURE;
      }
    }

    if ((!opt_display) && (!opt_seqname.empty())) {
      opt_record_mode = 0;
    }

    std::cout << "Settings   : " << (opt_change_settings ? "modified" : "current") << std::endl;
    std::cout << "Recording  : " << (opt_seqname.empty() ? "disabled" : "enabled") << std::endl;
    std::cout << "Display    : " << (opt_display ? "enabled" : "disabled") << std::endl;

    std::string text_record_mode =
        std::string("Record mode: ") + (opt_record_mode ? std::string("single") : std::string("continuous"));

    if (!opt_seqname.empty()) {
      std::cout << text_record_mode << std::endl;
      std::cout << "Record name: " << opt_seqname << std::endl;
    }

    vpImage<vpRGBa> I;  // Create a color image container
    bool reset = false; // Disable bus reset during construction (default)
    //! [vp1394TwoGrabber construction]
    vp1394TwoGrabber g(reset); // Create a grabber based on libdc1394-2.x third party lib
    //! [vp1394TwoGrabber construction]

    //! [vp1394TwoGrabber settings]
    if (opt_change_settings) {
      try {
        g.setVideoMode(vp1394TwoGrabber::vpVIDEO_MODE_640x480_MONO8);
        g.setFramerate(vp1394TwoGrabber::vpFRAMERATE_60);
      } catch (...) { // If settings are not available just catch execption to
        // continue with default settings
        std::cout << "Warning: cannot modify camera settings" << std::endl;
      }
    }
    //! [vp1394TwoGrabber settings]
    //! [vp1394TwoGrabber open]
    g.open(I);
    //! [vp1394TwoGrabber open]

    std::cout << "Image size : " << I.getWidth() << " " << I.getHeight() << std::endl;

    vpDisplay *d = NULL;
    if (opt_display) {
#if !(defined(VISP_HAVE_X11) || defined(VISP_HAVE_OPENCV))
      std::cout << "No image viewer is available..." << std::endl;
      opt_display = false;
#endif
    }
    if (opt_display) {
#ifdef VISP_HAVE_X11
      d = new vpDisplayX(I);
#elif defined(HAVE_OPENCV_HIGHGUI)
      d = new vpDisplayOpenCV(I);
#endif
    }

    vpImageQueue<vpRGBa> image_queue(opt_seqname, opt_record_mode);
    vpImageStorageWorker<vpRGBa> image_storage_worker(std::ref(image_queue));
    std::thread image_storage_thread(&vpImageStorageWorker<vpRGBa>::run, &image_storage_worker);

    bool quit = false;
    while (!quit) {
      double t = vpTime::measureTimeMs();
      //! [vp1394TwoGrabber acquire]
      g.acquire(I);
      //! [vp1394TwoGrabber acquire]
      vpDisplay::display(I);
      //! [vp1394TwoGrabber click to exit]
      quit = image_queue.record(I);
      //! [vp1394TwoGrabber click to exit]
      std::stringstream ss;
      ss << "Acquisition time: " << std::setprecision(3) << vpTime::measureTimeMs() - t << " ms";
      vpDisplay::displayText(I, I.getHeight() - 20, 10, ss.str(), vpColor::red);
      vpDisplay::flush(I);
    }
    image_queue.cancel();
    image_storage_thread.join();

    if (d) {
      delete d;
    }
  } catch (const vpException &e) {
    std::cout << "Catch an exception: " << e << std::endl;
  }
#else
  (void)argc;
  (void)argv;
#ifndef VISP_HAVE_DC1394
  std::cout << "Install libdc1394, configure and build ViSP again to use this example" << std::endl;
#endif
#if (VISP_CXX_STANDARD < VISP_CXX_STANDARD_11)
  std::cout << "This tutorial should be built with c++11 support" << std::endl;
#endif
#endif
}