Display camera frame

vendor/gocv.io/x/gocv/video.h

@@ -0,0 +1,38 @@
+#ifndef _OPENCV3_VIDEO_H_
+#define _OPENCV3_VIDEO_H_
+
+#ifdef __cplusplus
+#include <opencv2/opencv.hpp>
+extern "C" {
+#endif
+
+#include "core.h"
+
+#ifdef __cplusplus
+typedef cv::Ptr<cv::BackgroundSubtractorMOG2>* BackgroundSubtractorMOG2;
+typedef cv::Ptr<cv::BackgroundSubtractorKNN>* BackgroundSubtractorKNN;
+#else
+typedef void* BackgroundSubtractorMOG2;
+typedef void* BackgroundSubtractorKNN;
+#endif
+
+BackgroundSubtractorMOG2 BackgroundSubtractorMOG2_Create();
+BackgroundSubtractorMOG2 BackgroundSubtractorMOG2_CreateWithParams(int history, double varThreshold, bool detectShadows);
+void BackgroundSubtractorMOG2_Close(BackgroundSubtractorMOG2 b);
+void BackgroundSubtractorMOG2_Apply(BackgroundSubtractorMOG2 b, Mat src, Mat dst);
+
+BackgroundSubtractorKNN BackgroundSubtractorKNN_Create();
+BackgroundSubtractorKNN BackgroundSubtractorKNN_CreateWithParams(int history, double dist2Threshold, bool detectShadows);
+
+void BackgroundSubtractorKNN_Close(BackgroundSubtractorKNN b);
+void BackgroundSubtractorKNN_Apply(BackgroundSubtractorKNN b, Mat src, Mat dst);
+
+void CalcOpticalFlowPyrLK(Mat prevImg, Mat nextImg, Mat prevPts, Mat nextPts, Mat status, Mat err);
+void CalcOpticalFlowPyrLKWithParams(Mat prevImg, Mat nextImg, Mat prevPts, Mat nextPts, Mat status, Mat err, Size winSize, int maxLevel, TermCriteria criteria, int flags, double minEigThreshold);
+void CalcOpticalFlowFarneback(Mat prevImg, Mat nextImg, Mat flow, double pyrScale, int levels,
+                              int winsize, int iterations, int polyN, double polySigma, int flags);
+#ifdef __cplusplus
+}
+#endif
+
+#endif //_OPENCV3_VIDEO_H_