121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
#include "test_precomp.hpp"
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#include "opencv2/highgui/highgui.hpp"
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#include <stdio.h>
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/* #include <cv.h>
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#include <cxcore.h>
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#include <iostream>
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#include <sstream>
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#include <string> */
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using namespace cv;
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using namespace std;
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//ticket #1497
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#define HIGHGUI_POSITIONING_ERROR_OPEN 0
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#define MESSAGE_ERROR_CONTENT "Cannot read source video file."
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class CV_VideoPositioningTest: public cvtest::BaseTest
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{
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public:
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void run(int);
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};
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void CV_VideoPositioningTest::run(int)
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{
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const string& src_dir = ts->get_data_path();
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std::cout << src_dir.c_str() << endl;
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string file_path = "/home/reshetnikov/SVN_Projects/OpenCV/opencv_extra/testdata/perf/video/sample_sorenson.mov";
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std::cout << file_path.c_str() << endl;
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cv::VideoCapture cap(file_path);
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// CvCapture* cap = cvCreateFileCapture(file_path.c_str());
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if (!cap.isOpened())
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{
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printf("Error!");
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return;
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}
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std::cout << "Frame pos: " << cap.get(CV_CAP_PROP_POS_FRAMES) << std::endl;
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// IplImage* frame = cvQueryFrame(cap);
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Mat frame; cap >> frame;
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/* if (!frame)
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{
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return;
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} */
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std::cout << "Frames number: " << cap.get(CV_CAP_PROP_FRAME_COUNT) << std::endl;
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int step = 20;
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int frameCount = 1;
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while (frameCount < 100)
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{
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std::cout << "Frame count: " << frameCount << "\tActual frame pos: " << cap.get(CV_CAP_PROP_POS_FRAMES) << std::endl;
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// Save the frame
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std::stringstream ss;
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ss << frameCount;
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std::string filename = ss.str() + ".png";
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imwrite(file_path, frame, vector<int>(1));
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// Advance by step frames
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frameCount += step;
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std::cout << "cvSetCaptureProperty result: " << cap.set(CV_CAP_PROP_POS_FRAMES, frameCount) << std::endl;;
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// frame = cvQueryFrame(cap);
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}
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// cvReleaseCapture(&cap);
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cap.release();
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}
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/*
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47 NOTES
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48
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49 Output:
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50 Frame pos: 0
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51 Frame count: 1 Actual frame pos: -1.84467e+017
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52 cvSetCaptureProperty result: 1
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53 Frame count: 21 Actual frame pos: -1.84467e+017
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54 cvSetCaptureProperty result: 1
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55 Frame count: 41 Actual frame pos: -1.84467e+017
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56 cvSetCaptureProperty result: 1
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57 Frame count: 61 Actual frame pos: -1.84467e+017
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58 cvSetCaptureProperty result: 1
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59 Frame count: 81 Actual frame pos: -1.84467e+017
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60 cvSetCaptureProperty result: 1
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61
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62 Expected:
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63 Frame pos: 0
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64 Frame count: 1 Actual frame pos: 1
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65 cvSetCaptureProperty result: 1
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66 Frame count: 21 Actual frame pos: 21
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67 cvSetCaptureProperty result: 1
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68 Frame count: 41 Actual frame pos: 41
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69 cvSetCaptureProperty result: 1
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70 Frame count: 61 Actual frame pos: 61
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71 cvSetCaptureProperty result: 1
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72 Frame count: 81 Actual frame pos: 81
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73 cvSetCaptureProperty result: 1
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74
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75 In addition, the frame retrieved from cvQueryFrame was not the correct frame
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76 */
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TEST (HighguiPositioning, regression) { CV_VideoPositioningTest test; test.safe_run(); }
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