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Open Source Computer Vision Library
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87 lines
2.8 KiB
87 lines
2.8 KiB
// This file is part of OpenCV project. |
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// It is subject to the license terms in the LICENSE file found in the top-level directory |
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// of this distribution and at http://opencv.org/license.html. |
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#ifndef __OPENCV_TEST_PRECOMP_HPP__ |
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#define __OPENCV_TEST_PRECOMP_HPP__ |
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#include <sstream> |
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#include "opencv2/ts.hpp" |
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#include "opencv2/videoio.hpp" |
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#include "opencv2/videoio/registry.hpp" |
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#include "opencv2/imgproc/imgproc_c.h" |
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#include "opencv2/core/private.hpp" |
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namespace cv { |
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inline std::ostream &operator<<(std::ostream &out, const VideoCaptureAPIs& api) |
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{ |
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out << cv::videoio_registry::getBackendName(api); return out; |
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} |
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static inline void PrintTo(const cv::VideoCaptureAPIs& api, std::ostream* os) |
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{ |
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*os << cv::videoio_registry::getBackendName(api); |
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} |
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} // namespace |
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inline std::string fourccToString(int fourcc) |
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{ |
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return cv::format("%c%c%c%c", fourcc & 255, (fourcc >> 8) & 255, (fourcc >> 16) & 255, (fourcc >> 24) & 255); |
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} |
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inline int fourccFromString(const std::string &fourcc) |
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{ |
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if (fourcc.size() != 4) return 0; |
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return cv::VideoWriter::fourcc(fourcc[0], fourcc[1], fourcc[2], fourcc[3]); |
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} |
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inline void generateFrame(int i, int FRAME_COUNT, cv::Mat & frame) |
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{ |
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using namespace cv; |
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using namespace std; |
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int offset = (((i * 5) % FRAME_COUNT) - FRAME_COUNT / 2) * (frame.cols / 2) / FRAME_COUNT; |
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frame(cv::Rect(0, 0, frame.cols / 2 + offset, frame.rows)) = Scalar(255, 255, 255); |
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frame(cv::Rect(frame.cols / 2 + offset, 0, frame.cols - frame.cols / 2 - offset, frame.rows)) = Scalar(0, 0, 0); |
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ostringstream buf; buf << "Frame " << setw(2) << setfill('0') << i + 1; |
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int baseLine = 0; |
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Size box = getTextSize(buf.str(), FONT_HERSHEY_COMPLEX, 2, 5, &baseLine); |
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putText(frame, buf.str(), Point((frame.cols - box.width) / 2, (frame.rows - box.height) / 2 + baseLine), |
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FONT_HERSHEY_COMPLEX, 2, Scalar(0, 0, 255), 5, LINE_AA); |
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Point p(i * frame.cols / (FRAME_COUNT - 1), i * frame.rows / (FRAME_COUNT - 1)); |
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circle(frame, p, 50, Scalar(200, 25, 55), 8, LINE_AA); |
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#if 0 |
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imshow("frame", frame); |
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waitKey(); |
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#endif |
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} |
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class BunnyParameters |
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{ |
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public: |
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inline static int getWidth() { return 672; }; |
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inline static int getHeight() { return 384; }; |
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inline static int getFps() { return 24; }; |
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inline static double getTime() { return 5.21; }; |
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inline static int getCount() { return cvRound(getFps() * getTime()); }; |
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inline static std::string getFilename(const std::string &ext) |
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{ |
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return cvtest::TS::ptr()->get_data_path() + "video/big_buck_bunny" + ext; |
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} |
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}; |
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static inline bool isBackendAvailable(cv::VideoCaptureAPIs api, const std::vector<cv::VideoCaptureAPIs>& api_list) |
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{ |
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for (size_t i = 0; i < api_list.size(); i++) |
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{ |
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if (api_list[i] == api) |
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return true; |
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} |
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return false; |
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} |
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#endif
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