hyperion.ng/libsrc/hyperion/GrabberWrapper.cpp

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// Hyperion includes
#include <hyperion/ImageProcessorFactory.h>
#include <hyperion/ImageProcessor.h>
#include <hyperion/GrabberWrapper.h>
#include <HyperionConfig.h>
GrabberWrapper::GrabberWrapper(QString grabberName, const int priority, hyperion::Components grabberComponentId)
: _grabberName(grabberName)
, _hyperion(Hyperion::getInstance())
, _priority(priority)
, _timer()
, _log(Logger::getInstance(grabberName))
, _forward(true)
, _processor(ImageProcessorFactory::getInstance().newImageProcessor())
, _grabberComponentId(grabberComponentId)
{
_timer.setSingleShot(false);
_forward = _hyperion->getForwarder()->protoForwardingEnabled();
_hyperion->getComponentRegister().componentStateChanged(hyperion::COMP_BLACKBORDER, _processor->blackBorderDetectorEnabled());
qRegisterMetaType<hyperion::Components>("hyperion::Components");
connect(_hyperion, SIGNAL(imageToLedsMappingChanged(int)), _processor, SLOT(setLedMappingType(int)));
connect(_hyperion, SIGNAL(componentStateChanged(hyperion::Components,bool)), this, SLOT(componentStateChanged(hyperion::Components,bool)));
connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
}
GrabberWrapper::~GrabberWrapper()
{
stop();
Debug(_log,"Close grabber: %s", QSTRING_CSTR(_grabberName));
delete _processor;
}
bool GrabberWrapper::start()
{
// Start the timer with the pre configured interval
_timer.start();
_hyperion->registerPriority(_grabberName, _priority);
return _timer.isActive();
}
void GrabberWrapper::stop()
{
// Stop the timer, effectivly stopping the process
_timer.stop();
_hyperion->unRegisterPriority(_grabberName);
}
void GrabberWrapper::componentStateChanged(const hyperion::Components component, bool enable)
{
if (component == _grabberComponentId)
{
if (_timer.isActive() != enable)
{
if (enable) start();
else stop();
_forward = _hyperion->getForwarder()->protoForwardingEnabled();
if ( enable == _timer.isActive() )
{
Info(_log, "grabber change state to %s", (_timer.isActive() ? "enabled" : "disabled") );
}
else
{
WarningIf( enable, _log, "enable grabber failed");
}
}
_hyperion->getComponentRegister().componentStateChanged(component, _timer.isActive());
}
if (component == hyperion::COMP_BLACKBORDER)
{
if (_processor->blackBorderDetectorEnabled() != enable)
{
_processor->enableBlackBorderDetector(enable);
Info(_log, "bb detector change state to %s", (_processor->blackBorderDetectorEnabled() ? "enabled" : "disabled") );
}
_hyperion->getComponentRegister().componentStateChanged(component, _processor->blackBorderDetectorEnabled());
}
}
void GrabberWrapper::setGrabbingMode(const GrabbingMode mode)
{
switch (mode)
{
case GRABBINGMODE_VIDEO:
case GRABBINGMODE_PAUSE:
case GRABBINGMODE_AUDIO:
case GRABBINGMODE_PHOTO:
case GRABBINGMODE_MENU:
case GRABBINGMODE_SCREENSAVER:
case GRABBINGMODE_INVALID:
start();
break;
case GRABBINGMODE_OFF:
stop();
break;
}
}
void GrabberWrapper::setColors(const std::vector<ColorRgb> &ledColors, const int timeout_ms)
{
_hyperion->setColors(_priority, ledColors, timeout_ms, true, _grabberComponentId);
}
QStringList GrabberWrapper::availableGrabbers()
{
QStringList grabbers;
#ifdef ENABLE_DISPMANX
grabbers << "dispmanx";
#endif
#ifdef ENABLE_V4L2
grabbers << "v4l2";
#endif
#ifdef ENABLE_FB
grabbers << "framebuffer";
#endif
#ifdef ENABLE_AMLOGIC
grabbers << "amlogic";
#endif
#ifdef ENABLE_OSX
grabbers << "osx";
#endif
#ifdef ENABLE_X11
grabbers << "x11";
#endif
return grabbers;
}