hyperion.ng/include/grabber/V4L2Wrapper.h

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#pragma once
// Qt includes
#include <QTimer>
// Hyperion includes
#include <hyperion/Hyperion.h>
#include <hyperion/ImageProcessor.h>
// Grabber includes
#include <grabber/V4L2Grabber.h>
class V4L2Wrapper : public QObject
{
Q_OBJECT
public:
V4L2Wrapper(const std::string & device,
int input,
VideoStandard videoStandard,
PixelFormat pixelFormat,
int width,
int height,
int frameDecimation,
int pixelDecimation,
double redSignalThreshold,
double greenSignalThreshold,
double blueSignalThreshold,
int hyperionPriority);
virtual ~V4L2Wrapper();
public slots:
void start();
void stop();
void setCropping(int cropLeft,
int cropRight,
int cropTop,
int cropBottom);
void set3D(VideoMode mode);
signals:
void emitColors(int priority, const std::vector<ColorRgb> &ledColors, const int timeout_ms);
void emitImage(int priority, const Image<ColorRgb> & image, const int timeout_ms);
private slots:
void newFrame(const Image<ColorRgb> & image);
void checkSources();
private:
/// The timeout of the led colors [ms]
const int _timeout_ms;
/// The priority of the led colors
const int _priority;
/// The V4L2 grabber
V4L2Grabber _grabber;
/// The processor for transforming images to led colors
ImageProcessor * _processor;
/// The Hyperion instance
Hyperion * _hyperion;
/// The list with computed led colors
std::vector<ColorRgb> _ledColors;
/// Timer which tests if a higher priority source is active
QTimer _timer;
};