hyperion.ng/libsrc/blackborder/BlackBorderProcessor.cpp
2020-08-23 21:02:25 +02:00

186 lines
5.6 KiB
C++

#include <iostream>
#include <hyperion/Hyperion.h>
// Blackborder includes
#include <blackborder/BlackBorderProcessor.h>
using namespace hyperion;
BlackBorderProcessor::BlackBorderProcessor(Hyperion* hyperion, QObject* parent)
: QObject(parent)
, _hyperion(hyperion)
, _enabled(false)
, _unknownSwitchCnt(600)
, _borderSwitchCnt(50)
, _maxInconsistentCnt(10)
, _blurRemoveCnt(1)
, _detectionMode("default")
, _detector(nullptr)
, _currentBorder({true, -1, -1})
, _previousDetectedBorder({true, -1, -1})
, _consistentCnt(0)
, _inconsistentCnt(10)
, _oldThreshold(-0.1)
, _hardDisabled(false)
, _userEnabled(false)
{
// init
handleSettingsUpdate(settings::BLACKBORDER, _hyperion->getSetting(settings::BLACKBORDER));
// listen for settings updates
connect(_hyperion, &Hyperion::settingsChanged, this, &BlackBorderProcessor::handleSettingsUpdate);
// listen for component state changes
connect(_hyperion, &Hyperion::compStateChangeRequest, this, &BlackBorderProcessor::handleCompStateChangeRequest);
}
BlackBorderProcessor::~BlackBorderProcessor()
{
delete _detector;
}
void BlackBorderProcessor::handleSettingsUpdate(settings::type type, const QJsonDocument& config)
{
if(type == settings::BLACKBORDER)
{
const QJsonObject& obj = config.object();
_unknownSwitchCnt = obj["unknownFrameCnt"].toInt(600);
_borderSwitchCnt = obj["borderFrameCnt"].toInt(50);
_maxInconsistentCnt = obj["maxInconsistentCnt"].toInt(10);
_blurRemoveCnt = obj["blurRemoveCnt"].toInt(1);
_detectionMode = obj["mode"].toString("default");
const double newThreshold = obj["threshold"].toDouble(5.0)/100.0;
if(_oldThreshold != newThreshold)
{
_oldThreshold = newThreshold;
delete _detector;
_detector = new BlackBorderDetector(newThreshold);
}
Debug(Logger::getInstance("BLACKBORDER"), "Set mode to: %s", QSTRING_CSTR(_detectionMode));
// eval the comp state
handleCompStateChangeRequest(hyperion::COMP_BLACKBORDER, obj["enable"].toBool(true));
}
}
void BlackBorderProcessor::handleCompStateChangeRequest(hyperion::Components component, bool enable)
{
if(component == hyperion::COMP_BLACKBORDER)
{
_userEnabled = enable;
if(enable)
{
// eg effects and probably other components don't want a BB, mimik a wrong comp state to the comp register
if(!_hardDisabled)
_enabled = enable;
}
else
{
_enabled = enable;
}
_hyperion->setNewComponentState(hyperion::COMP_BLACKBORDER, enable);
}
}
void BlackBorderProcessor::setHardDisable(bool disable)
{
if (disable)
{
_enabled = false;
}
else
{
// the user has the last word to enable
if(_userEnabled)
_enabled = true;
}
_hardDisabled = disable;
};
BlackBorder BlackBorderProcessor::getCurrentBorder() const
{
return _currentBorder;
}
bool BlackBorderProcessor::enabled() const
{
return _enabled;
}
void BlackBorderProcessor::setEnabled(bool enable)
{
_enabled = enable;
}
bool BlackBorderProcessor::updateBorder(const BlackBorder & newDetectedBorder)
{
// the new changes ignore false small borders (no reset of consistance)
// as long as the previous stable state returns within 10 frames
// and will only switch to a new border if it is realy detected stable >50 frames
// sometimes the grabber delivers "bad" frames with a smaller black border (looks like random number every few frames and even when freezing the image)
// maybe some interferences of the power supply or bad signal causing this effect - not exactly sure what causes it but changing the power supply of the converter significantly increased that "random" effect on my system
// (you can check with the debug output below or if you want i can provide some output logs)
// this "random effect" caused the old algorithm to switch to that smaller border immediatly, resulting in a too small border being detected
// makes it look like the border detectionn is not working - since the new 3 line detection algorithm is more precise this became a problem specialy in dark scenes
// wisc
// std::cout << "c: " << setw(2) << _currentBorder.verticalSize << " " << setw(2) << _currentBorder.horizontalSize << " p: " << setw(2) << _previousDetectedBorder.verticalSize << " " << setw(2) << _previousDetectedBorder.horizontalSize << " n: " << setw(2) << newDetectedBorder.verticalSize << " " << setw(2) << newDetectedBorder.horizontalSize << " c:i " << setw(2) << _consistentCnt << ":" << setw(2) << _inconsistentCnt << std::endl;
// set the consistency counter
if (newDetectedBorder == _previousDetectedBorder)
{
++_consistentCnt;
_inconsistentCnt = 0;
}
else
{
++_inconsistentCnt;
if (_inconsistentCnt <= _maxInconsistentCnt)// only few inconsistent frames
{
//discard the newDetectedBorder -> keep the consistent count for previousDetectedBorder
return false;
}
// the inconsistency threshold is reached
// -> give the newDetectedBorder a chance to proof that its consistent
_previousDetectedBorder = newDetectedBorder;
_consistentCnt = 0;
}
// check if there is a change
if (_currentBorder == newDetectedBorder)
{
// No change required
_inconsistentCnt = 0; // we have found a consistent border -> reset _inconsistentCnt
return false;
}
bool borderChanged = false;
if (newDetectedBorder.unknown)
{
// apply the unknown border if we consistently can't determine a border
if (_consistentCnt == _unknownSwitchCnt)
{
_currentBorder = newDetectedBorder;
borderChanged = true;
}
}
else
{
// apply the detected border if it has been detected consistently
if (_currentBorder.unknown || _consistentCnt == _borderSwitchCnt)
{
_currentBorder = newDetectedBorder;
borderChanged = true;
}
}
return borderChanged;
}