hyperion.ng/include/grabber/DispmanxWrapper.h
redPanther 050ab11c8e v4l grabber wont crash hyperiond anymore (#168)
* v4l errors won't lead to crash hyperiond (exceptions are catched)
v4l auto device mode with better log messages
createV4l in hyperiond.cpp refactored, now v4l is always available as long as it is compiled in

* change back, code accidently altered

* fix compile of dispmanx grabber
2016-08-12 09:39:41 +02:00

74 lines
2.0 KiB
C++

#pragma once
// 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>
// Forward class declaration
class DispmanxFrameGrabber;
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 DispmanxWrapper: public GrabberWrapper
{
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
///
DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, const int priority);
///
/// Destructor of this dispmanx frame grabber. Releases any claimed resources.
///
virtual ~DispmanxWrapper();
public slots:
///
/// 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);
///
/// 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);
private:
/// The update rate [Hz]
const int _updateInterval_ms;
/// The timeout of the led colors [ms]
const int _timeout_ms;
/// The image used for grabbing frames
Image<ColorRgba> _image;
/// The actual grabber
DispmanxFrameGrabber * _grabber;
/// The list with computed led colors
std::vector<ColorRgb> _ledColors;
};