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53 lines
1.3 KiB
53 lines
1.3 KiB
#include <opencv2/v4d/v4d.hpp> |
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using namespace cv; |
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using namespace cv::v4d; |
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int main(int argc, char** argv) { |
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Ptr<V4D> window = V4D::make(960, 960, "Video Editing"); |
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//In case of WebAssembly |
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CV_UNUSED(argc); |
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CV_UNUSED(argv); |
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string hv = "Hello Video!"; |
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#ifndef __EMSCRIPTEN__ |
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//Make the video source |
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Source src = makeCaptureSource(window, argv[1]); |
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//Make the video sink |
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Sink sink = makeWriterSink(window, argv[2], src.fps(), cv::Size(960, 960)); |
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//Attach source and sink |
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window->setSource(src); |
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window->setSink(sink); |
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#else |
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//Make a webcam Source |
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Source src = makeCaptureSource(960, 960, window); |
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//Attach webcam source |
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window->setSource(src); |
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#endif |
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window->run([hv](Ptr<V4D> win) { |
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//Capture video from the source |
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if(!win->capture()) |
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return false; //end of input video |
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//Render on top of the video |
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win->nvg([](const Size& sz, const string& str) { |
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using namespace cv::v4d::nvg; |
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fontSize(40.0f); |
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fontFace("sans-bold"); |
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fillColor(Scalar(255, 0, 0, 255)); |
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textAlign(NVG_ALIGN_CENTER | NVG_ALIGN_TOP); |
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text(sz.width / 2.0, sz.height / 2.0, str.c_str(), str.c_str() + str.size()); |
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}, win->fbSize(), hv); |
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//Write video to the sink (do nothing in case of WebAssembly) |
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win->write(); |
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return win->display(); |
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}); |
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} |
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