hyperion.ng/include/grabber/DispmanxWrapper.h

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#pragma once
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// Utils includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
#include <utils/ColorRgba.h>
#include <utils/GrabbingMode.h>
#include <utils/VideoMode.h>
#include <hyperion/GrabberWrapper.h>
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// Forward class declaration
class DispmanxFrameGrabber;
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class ImageProcessor;
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///
/// 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
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/// attached Hyperion.
///
class DispmanxWrapper: public GrabberWrapper
{
Q_OBJECT
public:
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///
/// 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
///
DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, const int priority);
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///
/// Destructor of this dispmanx frame grabber. Releases any claimed resources.
///
virtual ~DispmanxWrapper();
public slots:
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///
/// Performs a single frame grab and computes the led-colors
///
virtual void action();
void setCropping(const unsigned cropLeft, const unsigned cropRight,
const unsigned cropTop, const unsigned cropBottom);
virtual void kodiPlay();
virtual void kodiPause();
///
/// Set the video mode (2D/3D)
/// @param[in] mode The new video mode
///
void setVideoMode(const VideoMode videoMode);
private:
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/// The update rate [Hz]
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const int _updateInterval_ms;
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/// The timeout of the led colors [ms]
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const int _timeout_ms;
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/// The image used for grabbing frames
Image<ColorRgba> _image;
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/// The actual grabber
DispmanxFrameGrabber * _grabber;
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/// The list with computed led colors
std::vector<ColorRgb> _ledColors;
};