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gpu hog sample: added support of writing video

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This commit is contained in:
Alexey Spizhevoy 2010-12-20 12:29:57 +00:00
parent df8529377b
commit a2ace58bb0
1 changed files with 17 additions and 1 deletions
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18
samples/gpu/hog.cpp
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@ -10,6 +10,8 @@
using namespace std; using namespace std;
using namespace cv; using namespace cv;
//#define WRITE_VIDEO
/** Contains all properties of application (including those which can be /** Contains all properties of application (including those which can be
changed by user in runtime) */ changed by user in runtime) */
@ -142,7 +144,7 @@ Settings Settings::Read(int argc, char** argv)
string key = argv[i]; string key = argv[i];
string val = argv[i + 1]; string val = argv[i + 1];
if (key == "-src") settings.src = val; if (key == "-src") settings.src = val;
else if (key == "-src_is_video") settings.src_is_video = (val == "true"); else if (key == "-src_is_video") settings.src_is_video = (val == "true");
else if (key == "-make_gray") settings.make_gray = (val == "true"); else if (key == "-make_gray") settings.make_gray = (val == "true");
else if (key == "-resize_src") settings.resize_src = (val == "true"); else if (key == "-resize_src") settings.resize_src = (val == "true");
else if (key == "-resize_src_scale") settings.resize_src_scale = atof(val.c_str()); else if (key == "-resize_src_scale") settings.resize_src_scale = atof(val.c_str());
@ -222,6 +224,15 @@ void App::RunOpencvGui()
HOGDescriptor::L2Hys, 0.2, gamma_corr, cv::HOGDescriptor::DEFAULT_NLEVELS); HOGDescriptor::L2Hys, 0.2, gamma_corr, cv::HOGDescriptor::DEFAULT_NLEVELS);
cpu_hog.setSVMDetector(detector); cpu_hog.setSVMDetector(detector);
#ifdef WRITE_VIDEO
cv::VideoWriter video_writer;
video_writer.open("output.avi", CV_FOURCC('x','v','i','d'), 24., cv::Size(640, 480), true);
if (!video_writer.isOpened())
throw std::runtime_error("can't create video writer");
#endif
// Make endless cycle from video (if src is video) // Make endless cycle from video (if src is video)
while (running) while (running)
{ {
@ -299,6 +310,11 @@ void App::RunOpencvGui()
} }
WorkEnd(); WorkEnd();
#ifdef WRITE_VIDEO
cvtColor(img_to_show, img, CV_BGRA2BGR);
video_writer << img;
#endif
} }
} }
} }