hyperion.ng/include/grabber/FramebufferFrameGrabber.h
redPanther 9eff6384cc grabber api and feature unification (#462)
* 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
2017-08-12 07:55:32 +02:00

43 lines
1.2 KiB
C++

#pragma once
// Utils includes
#include <utils/ColorRgb.h>
#include <hyperion/Grabber.h>
///
/// The FramebufferFrameGrabber is used for creating snapshots of the display (screenshots)
///
class FramebufferFrameGrabber : public Grabber
{
public:
///
/// Construct a FramebufferFrameGrabber that will capture snapshots with specified dimensions.
///
/// @param[in] device The framebuffer device name/path
/// @param[in] width The width of the captured screenshot
/// @param[in] height The heigth of the captured screenshot
///
FramebufferFrameGrabber(const QString & device, const unsigned width, const unsigned height);
~FramebufferFrameGrabber();
///
/// Captures a single snapshot of the display and writes the data to the given image. The
/// provided image should have the same dimensions as the configured values (_width and
/// _height)
///
/// @param[out] image The snapped screenshot (should be initialized with correct width and
/// height)
///
int grabFrame(Image<ColorRgb> & image);
private:
/// Framebuffer file descriptor
int _fbfd;
/// Pointer to framebuffer
unsigned char * _fbp;
/// Framebuffer device e.g. /dev/fb0
const QString _fbDevice;
};