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Minor code changes in test_video_io.cpp

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This commit is contained in:
Alexander Reshetnikov 2012-02-22 22:10:53 +00:00
parent d40721e5c0
commit d7763d99de
1 changed files with 26 additions and 30 deletions
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56
modules/highgui/test/test_video_io.cpp
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@ -391,7 +391,15 @@ void CV_HighGuiTest::SpecificVideoFileTest(const string& dir, const char codecch
{
const string video_file = dir + "video_" + string(&codecchars[0], 4) + "." + ext[j];
VideoWriter writer;
VideoWriter writer = cv::VideoWriter(video_file, CV_FOURCC(codecchars[0], codecchars[1], codecchars[2], codecchars[3]), 25, cv::Size(968, 757), true);
if (!writer.isOpened())
{
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Cannot create VideoWriter object with codec %s.\n", string(&codecchars[0], 4).c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
continue;
}
const size_t IMAGE_COUNT = 30;
@ -424,19 +432,6 @@ void CV_HighGuiTest::SpecificVideoFileTest(const string& dir, const char codecch
imwrite(dir+"QCIF_"+s_digit.str()+".bmp", img);
if (!writer.isOpened())
{
writer = cv::VideoWriter(video_file, CV_FOURCC(codecchars[0], codecchars[1], codecchars[2], codecchars[3]), 25, cv::Size(img.cols, img.rows), true);
if (!writer.isOpened())
{
ts->printf(ts->LOG, "Creating a video in %s...\n", video_file.c_str());
ts->printf(ts->LOG, "Cannot create VideoWriter with codec %s.\n", string(&codecchars[0], 4).c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
return;
}
}
writer << img;
}
@ -452,33 +447,36 @@ void CV_HighGuiTest::SpecificVideoFileTest(const string& dir, const char codecch
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Required frame count: %d; Returned frame count: %d\n", IMAGE_COUNT, FRAME_COUNT);
ts->printf(ts->LOG, "Error: Incorrect frame count in the video.\n");
ts->printf(ts->LOG, "Continue checking...\n");
ts->set_failed_test_info(ts->FAIL_BAD_ACCURACY);
continue;
}
cap.set(CV_CAP_PROP_POS_FRAMES, -1);
for (size_t i = -1; i < FRAME_COUNT-1; i++)
for (int i = -1; i < (int)std::min<size_t>(FRAME_COUNT, IMAGE_COUNT)-1; i++)
{
cv::Mat frame; cap >> frame;
if (frame.empty())
{
ts->printf(ts->LOG, "\nError: cannot read the next frame with index %d.\n", i+1);
ts->printf(ts->LOG, "\nVideo file directory: %s\n", dir.c_str());
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Error: cannot read the next frame with index %d.\n", i+1);
ts->set_failed_test_info(ts->FAIL_MISSING_TEST_DATA);
break;
}
stringstream s_digit;
if (i < 10) {s_digit << "0"; s_digit << i;}
else s_digit << i;
if (i+1 < 10) {s_digit << "0"; s_digit << i+1;}
else s_digit << i+1;
cv::Mat img = imread(dir+"QCIF_"+s_digit.str()+".bmp", CV_LOAD_IMAGE_COLOR);
if (img.empty())
{
ts->printf(ts->LOG, "\nError: cannot read an image with index %d.\n", i+1);
ts->printf(ts->LOG, "\nError: cannot read an image from %s.\n", (dir+"QCIF_"+s_digit.str()+".bmp").c_str());
ts->set_failed_test_info(ts->FAIL_MISMATCH);
break;
continue;
}
const double thresDbell = 20;
@ -490,7 +488,7 @@ void CV_HighGuiTest::SpecificVideoFileTest(const string& dir, const char codecch
ts->printf(ts->LOG, "\nReading frame from the file video_%s.%s...\n", string(&codecchars[0], 4).c_str(), ext[j].c_str());
ts->printf(ts->LOG, "Frame index: %d\n", i+1);
ts->printf(ts->LOG, "Difference between saved and original images: %g\n", psnr);
ts->printf(ts->LOG, "Maximum allowed difference: %g", thresDbell);
ts->printf(ts->LOG, "Maximum allowed difference: %g\n", thresDbell);
ts->printf(ts->LOG, "Error: too big difference between saved and original images.\n");
continue;
}
@ -514,7 +512,7 @@ void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codec
if (!cap.isOpened())
{
ts->printf(ts->LOG, "\nError: cannot start working with device.\n");
ts->set_failed_test_info(ts->FAIL_EXCEPTION);
ts->set_failed_test_info(ts->OK);
return;
}
@ -549,8 +547,7 @@ void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codec
ts->printf(ts->LOG, "\nVideo file directory: %s\n", dir.c_str());
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Frame index: %d\n", framecount);
ts->printf(ts->LOG, "Error: cannot read next frame from the device.\n");
ts->printf(ts->LOG, "Error: cannot read next frame with index %d from the device.\n", framecount);
break;
}
@ -585,14 +582,14 @@ void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codec
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Required frame count: %d Returned frame count: %d\n", IMAGE_COUNT, FRAME_COUNT);
ts->printf(ts->LOG, "Error: required and returned frame count are not matched.\n");
ts->printf(ts->LOG, "Continue checking...\n");
ts->set_failed_test_info(ts->FAIL_INVALID_OUTPUT);
continue;
}
cv::Mat img; framecount = 0;
vcap.set(CV_CAP_PROP_POS_FRAMES, 0);
for ( ; framecount <= std::min<int>(FRAME_COUNT, IMAGE_COUNT); framecount++ )
for ( ; framecount < std::min<int>(FRAME_COUNT, IMAGE_COUNT); framecount++ )
{
vcap >> img;
@ -601,8 +598,7 @@ void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codec
ts->printf(ts->LOG, "\nVideo file directory: %s\n", dir.c_str());
ts->printf(ts->LOG, "File name: video_%s.%s\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Video codec: %s\n", string(&codecchars[0], 4).c_str());
ts->printf(ts->LOG, "Frame index: %d\n", framecount);
ts->printf(ts->LOG, "Error: cannot read next frame from the video.\n");
ts->printf(ts->LOG, "Error: cannot read frame with index %d from the video.\n", framecount);
break;
}
@ -614,7 +610,7 @@ void CV_HighGuiTest::SpecificVideoCameraTest(const string& dir, const char codec
ts->printf(ts->LOG, "\nReading frame from the file video_%s.%s...\n", string(&codecchars[0], 4).c_str(), ext[i].c_str());
ts->printf(ts->LOG, "Frame index: %d\n", framecount);
ts->printf(ts->LOG, "Difference between saved and original images: %g\n", psnr);
ts->printf(ts->LOG, "Maximum allowed difference: %g", thresDbell);
ts->printf(ts->LOG, "Maximum allowed difference: %g\n", thresDbell);
ts->printf(ts->LOG, "Error: too big difference between saved and original images.\n");
continue;
}