179 lines
6.6 KiB
C++
179 lines
6.6 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "test_precomp.hpp"
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#include "opencv2/highgui/highgui.hpp"
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using namespace cv;
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using namespace std;
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class CV_PositioningTest : public cvtest::BaseTest
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{
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public:
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CV_PositioningTest()
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{
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framesize = Size(640, 480);
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}
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Mat drawFrame(int i)
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{
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Mat mat = Mat::zeros(framesize, CV_8UC3);
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mat = Scalar(fabs(cos(i*0.08)*255), fabs(sin(i*0.05)*255), i);
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putText(mat, format("%03d", i), Point(10, 350), 0, 10, Scalar(128, 255, 255), 15);
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return mat;
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}
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string getFilename(const cvtest::VideoFormat& fmt)
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{
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return cv::tempfile((cvtest::fourccToString(fmt.fourcc) + "." + fmt.ext).c_str());
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}
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bool CreateTestVideo(const cvtest::VideoFormat& fmt, int framecount, string filename)
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{
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VideoWriter writer(filename, fmt.fourcc, 25, framesize, true);
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if( !writer.isOpened() )
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return false;
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for (int i = 0; i < framecount; ++i)
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{
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Mat img = drawFrame(i);
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writer << img;
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}
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return true;
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}
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void run(int)
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{
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int n_frames = 100;
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for( int testcase = 0; ; testcase++ )
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{
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const cvtest::VideoFormat& fmt = cvtest::g_specific_fmt_list[testcase];
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if( fmt.empty() )
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break;
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string filename = getFilename(fmt);
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ts->printf(ts->LOG, "\nFile: %s\n", filename.c_str());
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if( !CreateTestVideo(fmt, n_frames, filename) )
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{
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ts->printf(ts->LOG, "\nError: cannot create video file");
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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return;
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}
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VideoCapture cap(filename);
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if (!cap.isOpened())
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{
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ts->printf(ts->LOG, "\nError: cannot read video file.");
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ts->set_failed_test_info(ts->FAIL_INVALID_TEST_DATA);
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return;
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}
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int N0 = (int)cap.get(CV_CAP_PROP_FRAME_COUNT);
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cap.set(CV_CAP_PROP_POS_FRAMES, 0);
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int N = (int)cap.get(CV_CAP_PROP_FRAME_COUNT);
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if (N != n_frames || N != N0)
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{
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ts->printf(ts->LOG, "\nError: returned frame count (N0=%d, N=%d) is different from the reference number %d\n", N0, N, n_frames);
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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return;
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}
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for (int k = 0; k < N; ++k)
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{
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int idx = theRNG().uniform(0, N);
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if( !cap.set(CV_CAP_PROP_POS_FRAMES, idx) )
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{
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ts->printf(ts->LOG, "\nError: cannot seek to frame %d.\n", idx);
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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return;
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}
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int idx1 = (int)cap.get(CV_CAP_PROP_POS_FRAMES);
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Mat img; cap >> img;
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Mat img0 = drawFrame(idx);
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if( idx != idx1 )
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{
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ts->printf(ts->LOG, "\nError: the current position (%d) after seek is different from specified (%d)\n",
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idx1, idx);
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ts->printf(ts->LOG, "Saving both frames ...\n");
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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// imwrite("opencv_test_highgui_postest_actual.png", img);
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// imwrite("opencv_test_highgui_postest_expected.png", img0);
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return;
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}
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if (img.empty())
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{
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ts->printf(ts->LOG, "\nError: cannot read a frame at position %d.\n", idx);
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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return;
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}
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double err = PSNR(img, img0);
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if( err < 20 )
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{
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ts->printf(ts->LOG, "The frame read after positioning to %d is incorrect (PSNR=%g)\n", idx, err);
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ts->printf(ts->LOG, "Saving both frames ...\n");
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ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
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// imwrite("opencv_test_highgui_postest_actual.png", img);
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// imwrite("opencv_test_highgui_postest_expected.png", img0);
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return;
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}
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}
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}
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}
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Size framesize;
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};
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#if BUILD_WITH_VIDEO_INPUT_SUPPORT && BUILD_WITH_VIDEO_OUTPUT_SUPPORT
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TEST(Highgui_Video, seek_random_synthetic) { CV_PositioningTest test; test.safe_run(); }
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#endif
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