modules/highgui/test/test_positioning.cpp

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  42
  43 #include "test_precomp.hpp"
  44 #include "opencv2/highgui/highgui.hpp"
  45 #include <stdio.h>
  46
  47 using namespace cv;
  48 using namespace std;
  49
  50 enum NAVIGATION_METHOD {PROGRESSIVE, RANDOM};
  51
  52 class CV_VideoPositioningTest: public cvtest::BaseTest
  53 {
  54 public:
  55         CV_VideoPositioningTest();
  56         ~CV_VideoPositioningTest();
  57         virtual void run(int) = 0;
  58
  59 protected:
  60         vector <int> idx;
  61         void run_test(int method);
  62
  63 private:
  64         void generate_idx_seq(CvCapture *cap, int method);
  65 };
  66
  67 class CV_VideoProgressivePositioningTest: public CV_VideoPositioningTest
  68 {
  69 public:
  70         CV_VideoProgressivePositioningTest() : CV_VideoPositioningTest() {};
  71         ~CV_VideoProgressivePositioningTest();
  72         void run(int);
  73 };
  74
  75 class CV_VideoRandomPositioningTest: public CV_VideoPositioningTest
  76 {
  77 public:
  78         CV_VideoRandomPositioningTest(): CV_VideoPositioningTest() {};
  79         ~CV_VideoRandomPositioningTest();
  80         void run(int);
  81 };
  82
  83 CV_VideoPositioningTest::CV_VideoPositioningTest() {}
  84 CV_VideoPositioningTest::~CV_VideoPositioningTest() {}
  85 CV_VideoProgressivePositioningTest::~CV_VideoProgressivePositioningTest() {}
  86 CV_VideoRandomPositioningTest::~CV_VideoRandomPositioningTest() {}
  87
  88 void CV_VideoPositioningTest::generate_idx_seq(CvCapture* cap, int method)
  89 {
  90         idx.clear();
  91     int N = (int)cvGetCaptureProperty(cap, CV_CAP_PROP_FRAME_COUNT);
  92         switch(method)
  93         {
  94         case PROGRESSIVE:
  95                 {
  96                         int pos = 1, step = 20;
  97                         do
  98                         {
  99                                 idx.push_back(pos);
 100                                 pos += step;
 101                         }
 102                         while (pos <= N);
 103                         break;
 104                 }
 105         case RANDOM:
 106                 {
 107                         RNG rng(N);
 108                         idx.clear();
 109                         for( int i = 0; i < N-1; i++ )
 110                                 idx.push_back(rng.uniform(0, N));
 111             idx.push_back(N-1);
 112                         std::swap(idx.at(rng.uniform(0, N-1)), idx.at(N-1));
 113                         break;
 114                 }
 115         default:break;
 116         }
 117 }
 118
 119 void CV_VideoPositioningTest::run_test(int method)
 120 {
 121         const string& src_dir = ts->get_data_path();
 122
 123     ts->printf(cvtest::TS::LOG, "\n\nSource files directory: %s\n", (src_dir+"video/").c_str());
 124
 125     const string ext[] = {"mov", "avi", "mp4", "mpg", "wmv"};
 126
 127     size_t n = sizeof(ext)/sizeof(ext[0]);
 128
 129     int failed_videos = 0;
 130
 131         for (size_t i = 0; i < n; ++i)
 132         {
 133         string file_path = src_dir + "video/big_buck_bunny." + ext[i];
 134
 135         printf("\nReading video file in %s...\n", file_path.c_str());
 136
 137                 CvCapture* cap = cvCreateFileCapture(file_path.c_str());
 138
 139                 if (!cap)
 140                 {
 141                         ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\nFAILED\n\n", i+1, ext[i].c_str());
 142             ts->printf(cvtest::TS::LOG, "Error: cannot read source video file.\n");
 143                         ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
 144             failed_videos++; continue;
 145                 }
 146
 147                 cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, 0);
 148
 149                 generate_idx_seq(cap, method);
 150
 151         int N = idx.size(), failed_frames = 0, failed_positions = 0, failed_iterations = 0;
 152
 153         for (int j = 0; j < N; ++j)
 154                 {
 155             bool flag = false;
 156
 157             cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, idx.at(j));
 158
 159             /* IplImage* frame = cvRetrieveFrame(cap);
 160
 161             if (!frame)
 162                         {
 163                 if (!failed_frames)
 164                 {
 165                     ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\n", i+1, ext[i].c_str());
 166                 }
 167                 failed_frames++;
 168                 ts->printf(cvtest::TS::LOG, "\nIteration: %d\n\nError: cannot read a frame with index %d.\n", j, idx.at(j));
 169                 ts->set_failed_test_info(cvtest::TS::FAIL_EXCEPTION);
 170                 flag = !flag;
 171             } */
 172
 173             int val = (int)cvGetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES);
 174
 175             if (idx.at(j) != val)
 176                         {
 177                 if (!(failed_frames||failed_positions))
 178                 {
 179                     ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\n", i+1, ext[i].c_str());
 180                 }
 181                 failed_positions++;
 182                 if (!failed_frames)
 183                 {
 184                     ts->printf(cvtest::TS::LOG, "\nIteration: %d\n", j);
 185                 }
 186                 ts->printf(cvtest::TS::LOG, "Required pos: %d\nReturned pos: %d\n", idx.at(j), val);
 187                 ts->printf(cvtest::TS::LOG, "Error: required and returned positions are not matched.\n");
 188                                 ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
 189                 if (!flag) flag = !flag;
 190                         }
 191
 192             if (flag) failed_iterations++;
 193                 }
 194
 195         ts->printf(cvtest::TS::LOG, "\nSuccessfull iterations: %d (%d%%)\n", idx.size()-failed_iterations, 100*(idx.size()-failed_iterations)/idx.size());
 196         ts->printf(cvtest::TS::LOG, "Failed iterations: %d (%d%%)\n", failed_iterations, 100*failed_iterations/idx.size());
 197
 198         if (failed_frames||failed_positions)
 199         {
 200             ts->printf(cvtest::TS::LOG, "\nFAILED\n----------\n"); failed_videos++;
 201         }
 202
 203                 cvReleaseCapture(&cap);
 204         }
 205
 206     ts->printf(cvtest::TS::LOG, "\nSuccessfull experiments: %d (%d%%)\n", n-failed_videos, 100*(n-failed_videos)/n);
 207     ts->printf(cvtest::TS::LOG, "Failed experiments: %d (%d%%)\n", failed_videos, 100*failed_videos/n);
 208 }
 209
 210 void CV_VideoProgressivePositioningTest::run(int)
 211 {
 212 #if defined WIN32 || (defined __linux__ && !defined ANDROID)
 213 #if !defined HAVE_GSTREAMER || defined HAVE_GSTREAMER_APP
 214
 215         run_test(PROGRESSIVE);
 216
 217 #endif
 218 #endif
 219 }
 220
 221 void CV_VideoRandomPositioningTest::run(int)
 222 {
 223 #if defined WIN32 || (defined __linux__ && !defined ANDROID)
 224 #if !defined HAVE_GSTREAMER || defined HAVE_GSTREAMER_APP
 225
 226         run_test(RANDOM);
 227
 228 #endif
 229 #endif
 230 }
 231
 232 TEST (HighguiPositioning, progressive) { CV_VideoProgressivePositioningTest test; test.safe_run(); }
 233 TEST (HighguiPositioning, random) { CV_VideoRandomPositioningTest test; test.safe_run(); }