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Move V4L2 grabber code to separate library

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Former-commit-id: f3003eb0142af3d085ccf93fff1b297ebc2321fc
This commit is contained in:
johan
2014-02-07 21:11:50 +01:00
parent fe6bfb0ad2
commit f0c35071da
14 changed files with 39 additions and 14 deletions
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88
libsrc/grabber/dispmanx/DispmanxWrapper.cpp Normal file
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// QT includes
#include <QDebug>
#include <QDateTime>
// Hyperion includes
#include <hyperion/Hyperion.h>
#include <hyperion/ImageProcessorFactory.h>
#include <hyperion/ImageProcessor.h>
// Dispmanx grabber includes
#include <grabber/DispmanxWrapper.h>
#include "DispmanxFrameGrabber.h"
DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion) :
_updateInterval_ms(1000/updateRate_Hz),
_timeout_ms(2 * _updateInterval_ms),
_priority(1000),
_timer(),
_image(grabWidth, grabHeight),
_frameGrabber(new DispmanxFrameGrabber(grabWidth, grabHeight)),
_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
_ledColors(hyperion->getLedCount(), ColorRgb{0,0,0}),
_hyperion(hyperion)
{
// Configure the timer to generate events every n milliseconds
_timer.setInterval(_updateInterval_ms);
_timer.setSingleShot(false);
_processor->setSize(grabWidth, grabHeight);
// Connect the QTimer to this
QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
}
DispmanxWrapper::~DispmanxWrapper()
{
// Cleanup used resources (ImageProcessor and FrameGrabber)
delete _processor;
delete _frameGrabber;
}
void DispmanxWrapper::start()
{
// Start the timer with the pre configured interval
_timer.start();
}
void DispmanxWrapper::action()
{
// Grab frame into the allocated image
_frameGrabber->grabFrame(_image);
_processor->process(_image, _ledColors);
_hyperion->setColors(_priority, _ledColors, _timeout_ms);
}
void DispmanxWrapper::stop()
{
// Stop the timer, effectivly stopping the process
_timer.stop();
}
void DispmanxWrapper::setGrabbingMode(const GrabbingMode mode)
{
switch (mode)
{
case GRABBINGMODE_VIDEO:
_frameGrabber->setFlags(DISPMANX_SNAPSHOT_NO_RGB|DISPMANX_SNAPSHOT_FILL);
start();
break;
case GRABBINGMODE_AUDIO:
case GRABBINGMODE_PHOTO:
case GRABBINGMODE_MENU:
case GRABBINGMODE_INVALID:
_frameGrabber->setFlags(0);
start();
break;
case GRABBINGMODE_OFF:
stop();
break;
}
}
void DispmanxWrapper::setVideoMode(const VideoMode mode)
{
_frameGrabber->setVideoMode(mode);
}