opencv/modules/highgui/test/test_positioning.cpp

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/*M///////////////////////////////////////////////////////////////////////////////////////
//
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// License Agreement
// For Open Source Computer Vision Library
//
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#include "test_precomp.hpp"
#include "opencv2/highgui/highgui.hpp"
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#include <stdio.h>
using namespace cv;
using namespace std;
enum NAVIGATION_METHOD {PROGRESSIVE, RANDOM};
class CV_VideoPositioningTest: public cvtest::BaseTest
{
public:
CV_VideoPositioningTest();
~CV_VideoPositioningTest();
virtual void run(int) = 0;
protected:
vector <int> idx;
void run_test(int method);
private:
void generate_idx_seq(CvCapture *cap, int method);
};
class CV_VideoProgressivePositioningTest: public CV_VideoPositioningTest
{
public:
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CV_VideoProgressivePositioningTest() : CV_VideoPositioningTest() {};
~CV_VideoProgressivePositioningTest();
void run(int);
};
class CV_VideoRandomPositioningTest: public CV_VideoPositioningTest
{
public:
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CV_VideoRandomPositioningTest(): CV_VideoPositioningTest() {};
~CV_VideoRandomPositioningTest();
void run(int);
};
CV_VideoPositioningTest::CV_VideoPositioningTest() {}
CV_VideoPositioningTest::~CV_VideoPositioningTest() {}
CV_VideoProgressivePositioningTest::~CV_VideoProgressivePositioningTest() {}
CV_VideoRandomPositioningTest::~CV_VideoRandomPositioningTest() {}
void CV_VideoPositioningTest::generate_idx_seq(CvCapture* cap, int method)
{
idx.clear();
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int N = (int)cvGetCaptureProperty(cap, CV_CAP_PROP_FRAME_COUNT);
switch(method)
{
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case PROGRESSIVE:
{
int pos = 1, step = 20;
do
{
idx.push_back(pos);
pos += step;
}
while (pos <= N);
break;
}
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case RANDOM:
{
RNG rng(N);
idx.clear();
for( int i = 0; i < N-1; i++ )
idx.push_back(rng.uniform(0, N));
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idx.push_back(N-1);
std::swap(idx.at(rng.uniform(0, N-1)), idx.at(N-1));
break;
}
default:break;
}
}
void CV_VideoPositioningTest::run_test(int method)
{
const string& src_dir = ts->get_data_path();
ts->printf(cvtest::TS::LOG, "\n\nSource files directory: %s\n", (src_dir+"video/").c_str());
const string ext[] = {"mov", "avi", "mp4", "mpg", "wmv"};
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size_t n = sizeof(ext)/sizeof(ext[0]);
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int failed_videos = 0;
for (size_t i = 0; i < n; ++i)
{
string file_path = src_dir + "video/big_buck_bunny." + ext[i];
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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());
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ts->printf(cvtest::TS::LOG, "Error: cannot read source video file.\n");
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_TEST_DATA);
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failed_videos++; continue;
}
cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, 0);
generate_idx_seq(cap, method);
int N = (int)idx.size(), failed_frames = 0, failed_positions = 0, failed_iterations = 0;
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for (int j = 0; j < N; ++j)
{
bool flag = false;
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cvSetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES, idx.at(j));
/* IplImage* frame = cvRetrieveFrame(cap);
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if (!frame)
{
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if (!failed_frames)
{
ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\n", i+1, ext[i].c_str());
}
failed_frames++;
ts->printf(cvtest::TS::LOG, "\nIteration: %d\n\nError: cannot read a frame with index %d.\n", j, idx.at(j));
ts->set_failed_test_info(cvtest::TS::FAIL_EXCEPTION);
flag = !flag;
} */
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int val = (int)cvGetCaptureProperty(cap, CV_CAP_PROP_POS_FRAMES);
if (idx.at(j) != val)
{
if (!(failed_frames||failed_positions))
{
ts->printf(cvtest::TS::LOG, "\nFile information (video %d): \n\nName: big_buck_bunny.%s\n", i+1, ext[i].c_str());
}
failed_positions++;
if (!failed_frames)
{
ts->printf(cvtest::TS::LOG, "\nIteration: %d\n", j);
}
ts->printf(cvtest::TS::LOG, "Required pos: %d\nReturned pos: %d\n", idx.at(j), val);
ts->printf(cvtest::TS::LOG, "Error: required and returned positions are not matched.\n");
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
if (!flag) flag = !flag;
}
if (flag) failed_iterations++;
}
ts->printf(cvtest::TS::LOG, "\nSuccessfull iterations: %d (%d%%)\n", idx.size()-failed_iterations, 100*(idx.size()-failed_iterations)/idx.size());
ts->printf(cvtest::TS::LOG, "Failed iterations: %d (%d%%)\n", failed_iterations, 100*failed_iterations/idx.size());
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if (failed_frames||failed_positions)
{
ts->printf(cvtest::TS::LOG, "\nFAILED\n----------\n"); failed_videos++;
}
cvReleaseCapture(&cap);
}
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ts->printf(cvtest::TS::LOG, "\nSuccessfull experiments: %d (%d%%)\n", n-failed_videos, 100*(n-failed_videos)/n);
ts->printf(cvtest::TS::LOG, "Failed experiments: %d (%d%%)\n", failed_videos, 100*failed_videos/n);
}
void CV_VideoProgressivePositioningTest::run(int)
{
#if defined WIN32 || (defined __linux__ && !defined ANDROID)
#if !defined HAVE_GSTREAMER || defined HAVE_GSTREAMER_APP
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run_test(PROGRESSIVE);
#endif
#endif
}
void CV_VideoRandomPositioningTest::run(int)
{
#if defined WIN32 || (defined __linux__ && !defined ANDROID)
#if !defined HAVE_GSTREAMER || defined HAVE_GSTREAMER_APP
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run_test(RANDOM);
#endif
#endif
}
TEST (HighguiPositioning, progressive) { CV_VideoProgressivePositioningTest test; test.safe_run(); }
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TEST (HighguiPositioning, random) { CV_VideoRandomPositioningTest test; test.safe_run(); }