hyperion.ng/include/grabber/DispmanxWrapper.h
Markus addff6f7ef
Dynamic loading of the Dispmanx Grabber (#1440)
* BCM dynamic loading

* cleanup

* better handle start of dispmanx

* set GrabberWrapper pointer to null on exit

* Update DispmanxFrameGrabber.cpp
2022-03-20 14:42:21 +01:00

45 lines
1.1 KiB
C++

#pragma once
// Utils includes
#include <utils/ColorRgba.h>
#include <hyperion/GrabberWrapper.h>
#include <grabber/DispmanxFrameGrabber.h>
///
/// The DispmanxWrapper uses an instance of the DispmanxFrameGrabber to obtain ImageRgb's from the
/// displayed content. This ImageRgb is forwarded to all Hyperion instances via HyperionDaemon
///
class DispmanxWrapper: public GrabberWrapper
{
Q_OBJECT
public:
///
/// Constructs the dispmanx frame grabber with a specified grab size and update rate.
///
/// @param[in] pixelDecimation Decimation factor for image [pixels]
/// @param[in] updateRate_Hz The image grab rate [Hz]
///
DispmanxWrapper( int updateRate_Hz=GrabberWrapper::DEFAULT_RATE_HZ,
int pixelDecimation=GrabberWrapper::DEFAULT_PIXELDECIMATION
);
bool screenInit();
bool available = false;
///
/// Starts the grabber which produces led values with the specified update rate
///
bool open() override;
public slots:
///
/// Performs a single frame grab and computes the led-colors
///
void action() override;
private:
/// The actual grabber
DispmanxFrameGrabber _grabber;
};