opencv/modules/highgui/test/test_framecount.cpp

/*M///////////////////////////////////////////////////////////////////////////////////////
//
//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
//  By downloading, copying, installing or using the software you agree to this license.
//  If you do not agree to this license, do not download, install,
//  copy or use the software.
//
//
//                           License Agreement
//                For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
//   * Redistribution's of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//
//   * Redistribution's in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//
//   * The name of the copyright holders may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/

#include "test_precomp.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <stdio.h>

using namespace cv;
using namespace std;

class CV_FramecountTest: public cvtest::BaseTest
{
public:
    void run(int);
};

void CV_FramecountTest::run(int)
{
#if defined WIN32 || (defined __linux__ && !defined ANDROID)
#if !defined HAVE_GSTREAMER || defined HAVE_GSTREAMER_APP

    const int time_sec = 5, fps = 25;

    const string ext[] = {"avi", "mov", "mp4", "mpg", "wmv"};

    const size_t n = sizeof(ext)/sizeof(ext[0]);

	const string src_dir = ts->get_data_path();

    ts->printf(cvtest::TS::LOG, "\n\nSource files directory: %s\n", (src_dir+"video/").c_str());

    int failed = 0;

    for (size_t i = 0; i < n; ++i)
    {
        int code = cvtest::TS::OK;

        string file_path = src_dir+"video/big_buck_bunny."+ext[i];

        printf("\nReading video file in %s...\n", file_path.c_str());

        CvCapture *cap = cvCreateFileCapture(file_path.c_str());
        if (!cap)
        {
            ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\nFAILED\n\n", i+1, ext[i].c_str());
            ts->printf(cvtest::TS::LOG, "Error: cannot read source video file.\n");
            ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
            failed++; continue;
        }

        cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, 0);
        IplImage* frame; int FrameCount = -1;

        do
        {
            FrameCount++;
            frame = cvQueryFrame(cap);
        }
        while (frame);

        int framecount = (int)cvGetCaptureProperty(cap, CV_CAP_PROP_FRAME_COUNT);

        ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n"\
                   "\nName: big_buck_bunny.%s\nActual frame count: %d\n"\
                   "Frame count computed in the cycle of queries of frames: %d\n"\
                   "Frame count returned by cvGetCaptureProperty function: %d\n",
                   i+1, ext[i].c_str(), time_sec*fps, FrameCount, framecount);

        code = FrameCount != time_sec*fps ? cvtest::TS::FAIL_INVALID_OUTPUT : FrameCount != framecount ? cvtest::TS::FAIL_INVALID_OUTPUT : code;

        if (code)
        {
            ts->printf(cvtest::TS::LOG, "FAILED\n");
            ts->printf(cvtest::TS::LOG, "\nError: actual frame count and returned frame count are not matched.\n");
            ts->set_failed_test_info(code);
            failed++;
        }
        else
        {
            ts->printf(cvtest::TS::LOG, "OK\n");
            ts->set_failed_test_info(ts->OK);
        }

        cvReleaseImage(&frame);
        cvReleaseCapture(&cap);
    }

    ts->printf(cvtest::TS::LOG, "\nSuccessfull experiments: %d (%d%%)\n", n-failed, (n - failed)*100/n);
    ts->printf(cvtest::TS::LOG, "Failed experiments: %d (%d%%)\n", failed, failed*100/n);

#endif
#endif
}

TEST(HighguiFramecount, regression) {CV_FramecountTest test; test.safe_run();}