Method SyncProcess

example/VideoExample.cpp:85–244

\brief VideoExample::SyncProcess

/// \brief VideoExample::SyncProcess
///
void VideoExample::SyncProcess()
{
    cv::VideoWriter writer;

#ifndef SILENT_WORK
    cv::namedWindow("Video", cv::WINDOW_NORMAL | cv::WINDOW_KEEPRATIO);
    bool manualMode = false;
#endif

    double freq = cv::getTickFrequency();
    int64 allTime = 0;

    int framesCounter = m_startFrame + 1;

    cv::VideoCapture capture;
    if (!OpenCapture(capture))
    {
        m_logger->critical("Can't open {}", m_inFile);
        return;
    }

#if 0
	// Write preview
	cv::Mat prFrame;
	capture >> prFrame;
	cv::Mat textFrame(prFrame.size(), CV_8UC3);
	textFrame = cv::Scalar(0, 0, 0);
	std::string label{ "Original video" };
	int baseLine = 0;
	double fontScale = (textFrame.cols < 1920) ? 2.0 : 3.0;
	int thickness = 2;
	int lineType = cv::LINE_AA;
	int fontFace = cv::FONT_HERSHEY_TRIPLEX;
	cv::Size labelSize = cv::getTextSize(label, fontFace, fontScale, thickness, &baseLine);
	cv::putText(textFrame, label, cv::Point(textFrame.cols / 2 - labelSize.width / 2, textFrame.rows / 2 - labelSize.height / 2), fontFace, fontScale, cv::Scalar(255, 255, 255), thickness, lineType);
	for (size_t fi = 0; fi < cvRound(2 * m_fps); ++fi)
	{
		WriteFrame(writer, textFrame);
	}
	WriteFrame(writer, prFrame);
	for (;;)
	{
		capture >> prFrame;
		if (prFrame.empty())
			break;
		WriteFrame(writer, prFrame);
	}
	textFrame = cv::Scalar(0, 0, 0);
	label = "Detection result";
	labelSize = cv::getTextSize(label, fontFace, fontScale, thickness, &baseLine);
	cv::putText(textFrame, label, cv::Point(textFrame.cols / 2 - labelSize.width / 2, textFrame.rows / 2 - labelSize.height / 2), fontFace, fontScale, cv::Scalar(255, 255, 255), thickness, lineType);
	for (size_t fi = 0; fi < cvRound(2 * m_fps); ++fi)
	{
		WriteFrame(writer, textFrame);
	}
	capture.release();
	OpenCapture(capture);
#endif