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42
43#include "test_precomp.hpp"
44#include "opencv2/videoio/videoio_c.h"
45#include <stdio.h>
46
47using namespace cv;
48using namespace std;
49
50class CV_FramecountTest: public cvtest::BaseTest
51{
52public:
53    void run(int);
54};
55
56void CV_FramecountTest::run(int)
57{
58    const int time_sec = 5, fps = 25;
59
60    const string ext[] = {"avi", "mov", "mp4"};
61
62    const size_t n = sizeof(ext)/sizeof(ext[0]);
63
64    const string src_dir = ts->get_data_path();
65
66    ts->printf(cvtest::TS::LOG, "\n\nSource files directory: %s\n", (src_dir+"video/").c_str());
67
68    Ptr<CvCapture> cap;
69
70    for (size_t i = 0; i < n; ++i)
71    {
72        string file_path = src_dir+"video/big_buck_bunny."+ext[i];
73
74        cap.reset(cvCreateFileCapture(file_path.c_str()));
75        if (!cap)
76        {
77            ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\nFAILED\n\n", i+1, ext[i].c_str());
78            ts->printf(cvtest::TS::LOG, "Error: cannot read source video file.\n");
79            ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
80            return;
81        }
82
83        //cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, 0);
84        IplImage* frame; int FrameCount = 0;
85
86        for(;;)
87        {
88            frame = cvQueryFrame(cap);
89            if( !frame )
90                break;
91            FrameCount++;
92        }
93
94        int framecount = (int)cvGetCaptureProperty(cap, CAP_PROP_FRAME_COUNT);
95
96        ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n"\
97                   "\nName: big_buck_bunny.%s\nActual frame count: %d\n"\
98                   "Frame count computed in the cycle of queries of frames: %d\n"\
99                   "Frame count returned by cvGetCaptureProperty function: %d\n",
100                   i+1, ext[i].c_str(), time_sec*fps, FrameCount, framecount);
101
102        if( (FrameCount != cvRound(time_sec*fps) ||
103             FrameCount != framecount) && ext[i] != "mpg" )
104        {
105            ts->printf(cvtest::TS::LOG, "FAILED\n");
106            ts->printf(cvtest::TS::LOG, "\nError: actual frame count and returned frame count are not matched.\n");
107            ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
108            return;
109        }
110    }
111}
112#if BUILD_WITH_VIDEO_INPUT_SUPPORT && defined HAVE_FFMPEG
113TEST(Videoio_Video, framecount) {CV_FramecountTest test; test.safe_run();}
114#endif
115