hyperion.ng/libsrc/grabber/framebuffer/FramebufferWrapper.cpp

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// Hyperion includes
#include <hyperion/Hyperion.h>
#include <hyperion/ImageProcessorFactory.h>
#include <hyperion/ImageProcessor.h>
// Framebuffer grabber includes
#include <grabber/FramebufferWrapper.h>
#include <grabber/FramebufferFrameGrabber.h>
FramebufferWrapper::FramebufferWrapper(const std::string & device, const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, const int priority)
: GrabberWrapper("FrameBuffer", priority)
, _updateInterval_ms(1000/updateRate_Hz)
, _timeout_ms(2 * _updateInterval_ms)
, _image(grabWidth, grabHeight)
, _grabber(new FramebufferFrameGrabber(device, grabWidth, grabHeight))
, _ledColors(Hyperion::getInstance()->getLedCount(), ColorRgb{0,0,0})
{
// Configure the timer to generate events every n milliseconds
_timer.setInterval(_updateInterval_ms);
_processor->setSize(grabWidth, grabHeight);
}
FramebufferWrapper::~FramebufferWrapper()
{
delete _grabber;
}
void FramebufferWrapper::action()
{
// Grab frame into the allocated image
_grabber->grabFrame(_image);
if ( _forward )
{
emit emitImage(_priority, _image, _timeout_ms);
}
_processor->process(_image, _ledColors);
_hyperion->setColors(_priority, _ledColors, _timeout_ms);
}
void FramebufferWrapper::setVideoMode(const VideoMode mode)
{
_grabber->setVideoMode(mode);
}