SENSCameraRecorderDataHandler Class Reference

#include <SENSRecorderDataHandler.h>

Inheritance diagram for SENSCameraRecorderDataHandler:

Public Member Functions
	SENSCameraRecorderDataHandler ()
void	writeOnThreadStart () override
	called in thread store routine when thread starts More...
void	writeLineToFile (ofstream &file, const FrameInfo &data) override
	called in thread store routine for every new line More...
void	writeOnThreadFinish () override
	called in thread store routine when thread finished More...
void	updateConfig (const SENSCameraConfig &config)
Public Member Functions inherited from SENSRecorderDataHandler< FrameInfo >
	SENSRecorderDataHandler (const std::string &name)
virtual	~SENSRecorderDataHandler ()
void	start (const std::string &outputDir)
	start the store thread More...
void	stop ()
	stop the store thread and clear values in queue More...
void	add (FrameInfo &&item)
	add new value to store queue More...
bool	getErrorMsg (std::string &msg)
	get error msg (valid if function returns true) More...

Private Attributes
cv::VideoWriter	_videoWriter
int	_frameIndex = 0

Additional Inherited Members
Protected Member Functions inherited from SENSRecorderDataHandler< FrameInfo >
virtual void	writeHeaderToFile (ofstream &file)
	called in thread store routine when file could be opened More...
Protected Attributes inherited from SENSRecorderDataHandler< FrameInfo >
std::string	_outputDir
	output directory More...

Detailed Description

SENSCameraRecorderDataHandler

Definition at line 103 of file SENSRecorderDataHandler.h.

Constructor & Destructor Documentation

SENSCameraRecorderDataHandler()

SENSCameraRecorderDataHandler::SENSCameraRecorderDataHandler

(

)

Definition at line 163 of file SENSRecorderDataHandler.cpp.

  : SENSRecorderDataHandler("camera")
{
}

Member Function Documentation

updateConfig()

void SENSCameraRecorderDataHandler::updateConfig

(

const SENSCameraConfig &

config

)

Definition at line 211 of file SENSRecorderDataHandler.cpp.

{
    //write config to file in directory
    std::string fileName = _outputDir + "cameraConfig.json";
    if (Utils::fileExists(fileName))
        Utils::removeFile(fileName);
 
    cv::FileStorage fs;
    fs.open(fileName, cv::FileStorage::WRITE);
    if (fs.isOpened())
    {
        fs << "deviceId" << config.deviceId;
        fs << "widthPix" << config.streamConfig.widthPix;
        fs << "heightPix" << config.streamConfig.heightPix;
        fs << "focalLengthPix" << config.streamConfig.focalLengthPix;
        fs << "focusMode" << (int)config.focusMode;
        fs << "facing" << (int)config.facing;
    }
}

writeLineToFile()

void SENSCameraRecorderDataHandler::writeLineToFile ( ofstream &  file, const FrameInfo &  data  )

overridevirtual

called in thread store routine for every new line

Implements SENSRecorderDataHandler< FrameInfo >.

Definition at line 173 of file SENSRecorderDataHandler.cpp.

{
    if (data.first.empty())
    {
        SENS_WARN("SENSCameraRecorderDataHandler::writeLineToFile: frame is empty");
        return;
    }
 
    if (!_videoWriter.isOpened())
    {
        std::string filename = _outputDir + "video.avi";
        _videoWriter.open(filename, cv::VideoWriter::fourcc('M', 'J', 'P', 'G'), 30, data.first.size(), true);
        //_videoWriter.open(filename, cv::VideoWriter::fourcc('X', 'V', 'I', 'D'), 30, data.first.size(), true);
        SENS_DEBUG("Opening video for writing: %s", filename.c_str());
    }
 
    if (!_videoWriter.isOpened())
    {
        SENS_WARN("SENSCameraRecorderDataHandler::writeLineToFile: video writer not opened");
    }
    else
    {
        long long timePt = std::chrono::time_point_cast<SENSMicroseconds>(data.second).time_since_epoch().count();
        //write time and frame index
        file << timePt << " " << _frameIndex << "\n";
        //SENS_DEBUG("SENSCameraRecorderDataHandler: time point for frame %d is %s", _frameIndex, timeStr.c_str());
        _frameIndex++;
 
        _videoWriter.write(data.first);
    }
}

writeOnThreadFinish()

void SENSCameraRecorderDataHandler::writeOnThreadFinish ( )

overridevirtual

called in thread store routine when thread finished

Reimplemented from SENSRecorderDataHandler< FrameInfo >.

Definition at line 205 of file SENSRecorderDataHandler.cpp.

{
    if (_videoWriter.isOpened())
        _videoWriter.release();
}

writeOnThreadStart()

void SENSCameraRecorderDataHandler::writeOnThreadStart ( )

overridevirtual

called in thread store routine when thread starts

Reimplemented from SENSRecorderDataHandler< FrameInfo >.

Definition at line 168 of file SENSRecorderDataHandler.cpp.

{
    _frameIndex = 0;
}

Member Data Documentation

_frameIndex

int SENSCameraRecorderDataHandler::_frameIndex = 0

private

Definition at line 116 of file SENSRecorderDataHandler.h.

_videoWriter

cv::VideoWriter SENSCameraRecorderDataHandler::_videoWriter

private

Definition at line 115 of file SENSRecorderDataHandler.h.

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The documentation for this class was generated from the following files:

• SENSRecorderDataHandler.h
• SENSRecorderDataHandler.cpp