hyperion.ng/include/grabber/AmlogicWrapper.h
redpanther 6bef43887b implement dispmanx forwarding a a separate dispmanx wrapper
implement forwarding for amlogic grabber


Former-commit-id: 8a793d24bd083f9eca07c34ec3b222f0e54b4426
2016-02-24 14:34:19 +01:00

101 lines
2.4 KiB
C++

#pragma once
// QT includes
#include <QObject>
#include <QTimer>
// Utils includes
#include <utils/Image.h>
#include <utils/ColorBgr.h>
#include <utils/ColorRgb.h>
#include <utils/GrabbingMode.h>
#include <utils/VideoMode.h>
// Forward class declaration
class AmlogicGrabber;
class Hyperion;
class ImageProcessor;
///
/// The DispmanxWrapper uses an instance of the DispmanxFrameGrabber to obtain ImageRgb's from the
/// displayed content. This ImageRgb is processed to a ColorRgb for each led and commmited to the
/// attached Hyperion.
///
class AmlogicWrapper : public QObject
{
Q_OBJECT
public:
///
/// Constructs the dispmanx frame grabber with a specified grab size and update rate.
///
/// @param[in] grabWidth The width of the grabbed image [pixels]
/// @param[in] grabHeight The height of the grabbed images [pixels]
/// @param[in] updateRate_Hz The image grab rate [Hz]
/// @param[in] hyperion The instance of Hyperion used to write the led values
///
AmlogicWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion);
///
/// Destructor of this dispmanx frame grabber. Releases any claimed resources.
///
virtual ~AmlogicWrapper();
public slots:
///
/// Starts the grabber wich produces led values with the specified update rate
///
void start();
///
/// Performs a single frame grab and computes the led-colors
///
void action();
///
/// Stops the grabber
///
void stop();
///
/// Set the grabbing mode
/// @param[in] mode The new grabbing mode
///
void setGrabbingMode(const GrabbingMode mode);
///
/// Set the video mode (2D/3D)
/// @param[in] mode The new video mode
///
void setVideoMode(const VideoMode videoMode);
signals:
void emitImage(int priority, const Image<ColorRgb> & image, const int timeout_ms);
private:
/// The update rate [Hz]
const int _updateInterval_ms;
/// The timeout of the led colors [ms]
const int _timeout_ms;
/// The priority of the led colors
const int _priority;
/// The timer for generating events with the specified update rate
QTimer _timer;
/// The image used for grabbing frames
Image<ColorBgr> _image;
/// The actual grabber
AmlogicGrabber * _frameGrabber;
/// The processor for transforming images to led colors
ImageProcessor * _processor;
/// The list with computed led colors
std::vector<ColorRgb> _ledColors;
/// Pointer to Hyperion for writing led values
Hyperion * _hyperion;
// forwarding enabled
bool _forward;
};