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https://github.com/hyperion-project/hyperion.ng.git
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30b9c20611
* - implement framegrabber type option - framegrabber autoselect - integrate x11 grabber in hyperiond * add doxy * v4l: select device by name hyperiond: fix x11 grabber connection to kodichecker config: tune default prios of boblight and v4l * make v4l name finding case insensitive
89 lines
2.0 KiB
C++
Executable File
89 lines
2.0 KiB
C++
Executable File
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// Hyperion-utils includes
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#include <utils/Image.h>
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#include <utils/ColorRgb.h>
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#include <utils/ImageResampler.h>
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#include <utils/Logger.h>
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// X11 includes
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#include <X11/Xlib.h>
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#include <X11/extensions/Xrender.h>
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#include <X11/extensions/XShm.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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class X11Grabber
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{
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public:
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X11Grabber(bool useXGetImage, int cropLeft, int cropRight, int cropTop, int cropBottom, int horizontalPixelDecimation, int verticalPixelDecimation);
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virtual ~X11Grabber();
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///
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/// Set the video mode (2D/3D)
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/// @param[in] mode The new video mode
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///
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void setVideoMode(const VideoMode videoMode);
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bool Setup();
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Image<ColorRgb> & grab();
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///
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/// Captures a single snapshot of the display and writes the data to the given image. The
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/// provided image should have the same dimensions as the configured values (_width and
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/// _height)
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///
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/// @param[out] image The snapped screenshot (should be initialized with correct width and
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/// height)
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///
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int grabFrame(Image<ColorRgb> & image);
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///
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/// update dimension according current screen
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int updateScreenDimensions();
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/// gets resulting height of image
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const unsigned getImageWidth() { return _croppedWidth; };
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/// gets resulting width of image
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const unsigned getImageHeight() { return _croppedHeight; };
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private:
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ImageResampler _imageResampler;
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bool _useXGetImage, _XShmAvailable, _XShmPixmapAvailable, _XRenderAvailable;
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int _cropLeft;
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int _cropRight;
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int _cropTop;
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int _cropBottom;
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XImage* _xImage;
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XShmSegmentInfo _shminfo;
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/// Reference to the X11 display (nullptr if not opened)
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Display* _x11Display;
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Window _window;
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XWindowAttributes _windowAttr;
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Pixmap _pixmap;
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XRenderPictFormat* _srcFormat;
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XRenderPictFormat* _dstFormat;
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XRenderPictureAttributes _pictAttr;
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Picture _srcPicture;
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Picture _dstPicture;
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unsigned _screenWidth;
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unsigned _screenHeight;
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unsigned _croppedWidth;
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unsigned _croppedHeight;
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Image<ColorRgb> _image;
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void freeResources();
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void setupResources();
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Logger * _log;
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};
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