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https://github.com/hyperion-project/hyperion.ng.git
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9eff6384cc
* move setvideomode to common place * implement more croping and 3d support * more api unification * more refactoring * osx fix * next step * add a mock for osx grabber. Now it is possible to test compile on none osx platforms. * more unifications ... * remove obsolete includes and grabbers are not dyn allocated. dispmanx needs rework an probaly not work atm * first version of dispmanx mock. it compiles, but outputs a black image * now dispmanx mock works! * activate mocks in travis linux build prepare dispmanx to rgb image out * dispmanx now with image rgb output fix deadlock with w/h -1 in grabber v4l cleanups * fix json * fix some runtime stuff * Update FramebufferWrapper.cpp fix missing code * unify grabframe * 3d and croping for amlogic * fix setimage not working * make use of templates save some codelines * save more code lines
74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
#pragma once
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// BCM includes
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#ifdef PLATFORM_RPI
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#pragma GCC system_header
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#include <bcm_host.h>
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#else
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#include <grabber/DispmanxFrameGrabberMock.h>
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#endif
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// Utils includes
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#include <utils/Image.h>
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#include <utils/ColorRgba.h>
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#include <hyperion/Grabber.h>
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///
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/// The DispmanxFrameGrabber is used for creating snapshots of the display (screenshots) with a
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/// downsized and scaled resolution.
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///
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class DispmanxFrameGrabber : public Grabber
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{
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public:
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///
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/// Construct a DispmanxFrameGrabber that will capture snapshots with specified dimensions.
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///
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/// @param[in] width The width of the captured screenshot
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/// @param[in] height The heigth of the captured screenshot
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///
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DispmanxFrameGrabber(const unsigned width, const unsigned height);
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~DispmanxFrameGrabber();
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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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private:
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///
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/// Updates the frame-grab flags as used by the VC library for frame grabbing
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///
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/// @param vc_flags The snapshot grabbing mask
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///
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void setFlags(const int vc_flags);
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/// Handle to the display that is being captured
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DISPMANX_DISPLAY_HANDLE_T _vc_display;
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/// Handle to the resource for storing the captured snapshot
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DISPMANX_RESOURCE_HANDLE_T _vc_resource;
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/// Rectangle of the captured resource that is transfered to user space
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VC_RECT_T _rectangle;
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/// Flags (transforms) for creating snapshots
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int _vc_flags;
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// temp buffer when capturing with unsupported pitch size or
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// when we need to crop the image
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ColorRgba* _captureBuffer;
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// size of the capture buffer in Pixels
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unsigned _captureBufferSize;
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// rgba output buffer
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Image<ColorRgba> _image_rgba;
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};
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