81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
// Hyperion includes
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#include <hyperion/Hyperion.h>
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#include <hyperion/ImageProcessorFactory.h>
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#include <hyperion/ImageProcessor.h>
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// X11 grabber includes
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#include <grabber/X11Wrapper.h>
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#include <grabber/X11Grabber.h>
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X11Wrapper::X11Wrapper(bool useXGetImage, int cropLeft, int cropRight, int cropTop, int cropBottom, int horizontalPixelDecimation, int verticalPixelDecimation, const unsigned updateRate_Hz, const int priority)
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: GrabberWrapper("X11", priority)
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, _updateInterval_ms(1000/updateRate_Hz)
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, _timeout_ms(2 * _updateInterval_ms)
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, _grabber(new X11Grabber(useXGetImage, cropLeft, cropRight, cropTop, cropBottom, horizontalPixelDecimation, verticalPixelDecimation))
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, _ledColors(Hyperion::getInstance()->getLedCount(), ColorRgb{0,0,0})
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, _init(false)
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, _x11SetupSuccess(false)
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{
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// Configure the timer to generate events every n milliseconds
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_timer.setInterval(_updateInterval_ms);
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}
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X11Wrapper::~X11Wrapper()
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{
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delete _grabber;
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}
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bool X11Wrapper::start()
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{
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if (! _init )
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{
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_init = true;
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_x11SetupSuccess = _grabber->Setup();
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if ( _x11SetupSuccess )
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{
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_x11SetupSuccess = (_grabber->updateScreenDimensions() >= 0);
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_processor->setSize(_grabber->getImageWidth(), _grabber->getImageHeight());
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_image.resize(_grabber->getImageWidth(), _grabber->getImageHeight());
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}
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}
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// Start the timer with the pre configured interval
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if ( _x11SetupSuccess )
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{
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GrabberWrapper::start();
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}
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ErrorIf( ! _x11SetupSuccess, _log, "X11 Grabber start failed");
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return _x11SetupSuccess;
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}
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void X11Wrapper::action()
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{
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int result = _grabber->updateScreenDimensions();
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if (result < 0 )
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{
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return;
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}
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if ( result > 0 )
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{
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_processor->setSize(_grabber->getImageWidth(), _grabber->getImageHeight());
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_image.resize(_grabber->getImageWidth(), _grabber->getImageHeight());
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}
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// Grab frame into the allocated image
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_grabber->grabFrame(_image);
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if ( _forward )
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{
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emit emitImage(_priority, _image, _timeout_ms);
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}
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_processor->process(_image, _ledColors);
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_hyperion->setColors(_priority, _ledColors, _timeout_ms);
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}
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void X11Wrapper::setVideoMode(const VideoMode mode)
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{
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_grabber->setVideoMode(mode);
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}
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