84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
// QT includes
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#include <QDebug>
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#include <QDateTime>
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// 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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// Local-dispmanx includes
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#include <dispmanx-grabber/DispmanxWrapper.h>
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#include "DispmanxFrameGrabber.h"
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DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion) :
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_updateInterval_ms(1000/updateRate_Hz),
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_timeout_ms(2 * _updateInterval_ms),
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_priority(1000),
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_timer(),
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_image(grabWidth, grabHeight),
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_frameGrabber(new DispmanxFrameGrabber(grabWidth, grabHeight)),
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_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
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_ledColors(hyperion->getLedCount(), RgbColor::BLACK),
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_hyperion(hyperion)
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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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_timer.setSingleShot(false);
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_processor->setSize(grabWidth, grabHeight);
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// Connect the QTimer to this
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QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
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}
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DispmanxWrapper::~DispmanxWrapper()
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{
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// Cleanup used resources (ImageProcessor and FrameGrabber)
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delete _processor;
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delete _frameGrabber;
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}
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void DispmanxWrapper::start()
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{
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// Start the timer with the pre configured interval
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_timer.start();
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}
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void DispmanxWrapper::action()
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{
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// Grab frame into the allocated image
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_frameGrabber->grabFrame(_image);
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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 DispmanxWrapper::stop()
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{
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// Stop the timer, effectivly stopping the process
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_timer.stop();
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}
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void DispmanxWrapper::setGrabbingMode(const GrabbingMode mode)
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{
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switch (mode)
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{
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case GRABBINGMODE_VIDEO:
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_frameGrabber->setFlags(DISPMANX_SNAPSHOT_NO_RGB|DISPMANX_SNAPSHOT_FILL);
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start();
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case GRABBINGMODE_AUDIO:
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case GRABBINGMODE_PHOTO:
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case GRABBINGMODE_MENU:
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_frameGrabber->setFlags(0);
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start();
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break;
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case GRABBINGMODE_OFF:
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stop();
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break;
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case GRABBINGMODE_INVALID:
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break;
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}
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}
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