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https://github.com/hyperion-project/hyperion.ng.git
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8e12d189b0
* upd * update * update * update schemachecker * ... * fix lowest priority * zeroconf updates (#421) (#3) * zeroconf: add ip make names more uniq * tune dns name for webconfig * update * update * update * update ui * ... * min val for gamma * lost somewhere this * add status to hyperion object * update ui
110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
#include <iostream>
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#include <utils/Logger.h>
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// Blackborder includes
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#include <blackborder/BlackBorderProcessor.h>
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using namespace hyperion;
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BlackBorderProcessor::BlackBorderProcessor(const QJsonObject &blackborderConfig)
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: _enabled(blackborderConfig["enable"].toBool(true))
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, _unknownSwitchCnt(blackborderConfig["unknownFrameCnt"].toInt(600))
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, _borderSwitchCnt(blackborderConfig["borderFrameCnt"].toInt(50))
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, _maxInconsistentCnt(blackborderConfig["maxInconsistentCnt"].toInt(10))
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, _blurRemoveCnt(blackborderConfig["blurRemoveCnt"].toInt(1))
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, _detectionMode(blackborderConfig["mode"].toString("default"))
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, _detector(blackborderConfig["threshold"].toDouble(5.0)/100)
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, _currentBorder({true, -1, -1})
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, _previousDetectedBorder({true, -1, -1})
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, _consistentCnt(0)
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, _inconsistentCnt(10)
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{
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if (_enabled)
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{
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Debug(Logger::getInstance("BLACKBORDER"), "mode: %s", QSTRING_CSTR(_detectionMode));
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}
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}
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BlackBorder BlackBorderProcessor::getCurrentBorder() const
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{
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return _currentBorder;
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}
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bool BlackBorderProcessor::enabled() const
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{
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return _enabled;
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}
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void BlackBorderProcessor::setEnabled(bool enable)
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{
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_enabled = enable;
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}
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bool BlackBorderProcessor::updateBorder(const BlackBorder & newDetectedBorder)
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{
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// the new changes ignore false small borders (no reset of consistance)
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// as long as the previous stable state returns within 10 frames
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// and will only switch to a new border if it is realy detected stable >50 frames
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// sometimes the grabber delivers "bad" frames with a smaller black border (looks like random number every few frames and even when freezing the image)
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// 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
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// (you can check with the debug output below or if you want i can provide some output logs)
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// this "random effect" caused the old algorithm to switch to that smaller border immediatly, resulting in a too small border being detected
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// 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
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// wisc
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// 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;
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// set the consistency counter
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if (newDetectedBorder == _previousDetectedBorder)
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{
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++_consistentCnt;
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_inconsistentCnt = 0;
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}
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else
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{
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++_inconsistentCnt;
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if (_inconsistentCnt <= _maxInconsistentCnt)// only few inconsistent frames
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{
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//discard the newDetectedBorder -> keep the consistent count for previousDetectedBorder
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return false;
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}
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// the inconsistency threshold is reached
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// -> give the newDetectedBorder a chance to proof that its consistent
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_previousDetectedBorder = newDetectedBorder;
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_consistentCnt = 0;
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}
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// check if there is a change
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if (_currentBorder == newDetectedBorder)
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{
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// No change required
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_inconsistentCnt = 0; // we have found a consistent border -> reset _inconsistentCnt
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return false;
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}
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bool borderChanged = false;
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if (newDetectedBorder.unknown)
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{
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// apply the unknown border if we consistently can't determine a border
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if (_consistentCnt == _unknownSwitchCnt)
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{
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_currentBorder = newDetectedBorder;
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borderChanged = true;
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}
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}
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else
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{
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// apply the detected border if it has been detected consistently
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if (_currentBorder.unknown || _consistentCnt == _borderSwitchCnt)
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{
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_currentBorder = newDetectedBorder;
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borderChanged = true;
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}
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}
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return borderChanged;
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}
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