Beispiel #1
0
void
TrackMarker::resetOffset()
{
    KnobDoublePtr knob = getOffsetKnob();

    for (int i = 0; i < knob->getDimension(); ++i) {
        knob->resetToDefaultValue(i);
    }
}
Beispiel #2
0
void
TrackMarker::setKeyFrameOnCenterAndPatternAtTime(int time)
{
    KnobDoublePtr center = _imp->center.lock();

    for (int i = 0; i < center->getDimension(); ++i) {
        double v = center->getValueAtTime(time, i);
        center->setValueAtTime(time, v, ViewSpec::all(), i);
    }

    KnobDoublePtr patternCorners[4] = {_imp->patternBtmLeft.lock(), _imp->patternTopLeft.lock(), _imp->patternTopRight.lock(), _imp->patternBtmRight.lock()};
    for (int c = 0; c < 4; ++c) {
        KnobDoublePtr k = patternCorners[c];
        for (int i = 0; i < k->getDimension(); ++i) {
            double v = k->getValueAtTime(time, i);
            k->setValueAtTime(time, v, ViewSpec::all(), i);
        }
    }
}
Beispiel #3
0
void
TrackMarkerPM::initializeKnobs()
{
    TrackMarker::initializeKnobs();
    NodePtr thisNode = getContext()->getNode();
    QObject::connect( getContext().get(), SIGNAL(onNodeInputChanged(int)), this, SLOT(onTrackerNodeInputChanged(int)) );
    NodePtr node;
    {
        CreateNodeArgs args( PLUGINID_OFX_TRACKERPM, NodeCollectionPtr() );
        args.setProperty<bool>(kCreateNodeArgsPropOutOfProject, true);
        args.setProperty<bool>(kCreateNodeArgsPropNoNodeGUI, true);
        args.setProperty<std::string>(kCreateNodeArgsPropNodeInitialName, "TrackerPMNode");

        node = getContext()->getNode()->getApp()->createNode(args);
        if (!node) {
            throw std::runtime_error("Couldn't create plug-in " PLUGINID_OFX_TRACKERPM);
        }
        if (thisNode) {
            NodePtr inputNode = thisNode->getInput(0);
            if (inputNode) {
                node->connectInput(inputNode, 0);
            }
        }
        trackerNode = node;
    }

    trackPrevButton = getNodeKnob<KnobButton>(node, kTrackerPMParamTrackingPrevious);
    trackNextButton = getNodeKnob<KnobButton>(node, kTrackerPMParamTrackingNext);
    KnobDoublePtr center = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingCenterPoint);
    centerKnob = center;
    // Slave the center knob and unslave when tracking
    for (int i = 0; i < center->getDimension(); ++i) {
        center->slaveTo(i, getCenterKnob(), i);
    }

    KnobDoublePtr offset = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingOffset);

    // Slave the offset knob
    for (int i = 0; i < offset->getDimension(); ++i) {
        offset->slaveTo(i, getOffsetKnob(), i);
    }
    offsetKnob = offset;

    // Ref frame is set for each
    refFrameKnob = getNodeKnob<KnobInt>(node, kTrackerPMParamTrackingReferenceFrame);

    // Enable reference frame
    KnobBoolPtr enableRefFrameKnob = getNodeKnob<KnobBool>(node, kTrackerPMParamTrackingEnableReferenceFrame);
    enableRefFrameKnob->setValue(true);

    KnobChoicePtr scoreType = getNodeKnob<KnobChoice>(node, kTrackerPMParamScore);
    scoreType->slaveTo(0, getContext()->getCorrelationScoreTypeKnob(), 0);
    scoreTypeKnob = scoreType;

    KnobDoublePtr correlationScore = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingCorrelationScore);
    correlationScoreKnob = correlationScore;

    KnobDoublePtr patternBtmLeft = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingPatternBoxBtmLeft);
    patternBtmLeftKnob = patternBtmLeft;

    // Slave the search window and pattern of the node to the parameters of the marker
    for (int i = 0; i < patternBtmLeft->getDimension(); ++i) {
        patternBtmLeft->slaveTo(i, getPatternBtmLeftKnob(), i);
    }
    KnobDoublePtr patternTopRight = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingPatternBoxTopRight);
    patternTopRightKnob = patternTopRight;
    for (int i = 0; i < patternTopRight->getDimension(); ++i) {
        patternTopRight->slaveTo(i, getPatternTopRightKnob(), i);
    }

    KnobDoublePtr searchWindowBtmLeft = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingSearchBoxBtmLeft);
    searchWindowBtmLeftKnob = searchWindowBtmLeft;
    for (int i = 0; i < searchWindowBtmLeft->getDimension(); ++i) {
        searchWindowBtmLeft->slaveTo(i, getSearchWindowBottomLeftKnob(), i);
    }

    KnobDoublePtr searchWindowTopRight = getNodeKnob<KnobDouble>(node, kTrackerPMParamTrackingSearchBoxTopRight);
    searchWindowTopRightKnob = searchWindowTopRight;
    for (int i = 0; i < searchWindowTopRight->getDimension(); ++i) {
        searchWindowTopRight->slaveTo(i, getSearchWindowTopRightKnob(), i);
    }
} // TrackMarkerPM::initializeKnobs
Beispiel #4
0
bool
TrackMarkerPM::trackMarker(bool forward,
                           int refFrame,
                           int frame)
{
    KnobButtonPtr button;

    if (forward) {
        button = trackNextButton.lock();
    } else {
        button = trackPrevButton.lock();
    }
    KnobIntPtr refFrameK = refFrameKnob.lock();
    refFrameK->setValue(refFrame);

    // Unslave the center knob since the trackerNode will update it, then update the marker center
    KnobDoublePtr center = centerKnob.lock();
    for (int i = 0; i < center->getDimension(); ++i) {
        center->unSlave(i, true);
    }

    trackerNode->getEffectInstance()->onKnobValueChanged_public(button, eValueChangedReasonNatronInternalEdited, frame, ViewIdx(0),
                                                                true);

    KnobDoublePtr markerCenter = getCenterKnob();
    // The TrackerPM plug-in has set a keyframe at the refFrame and frame, copy them
    bool ret = true;
    double centerPoint[2];
    for (int i = 0; i < center->getDimension(); ++i) {
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, frame);
            if (index != -1) {
                centerPoint[i] = center->getValueAtTime(frame, i);
                markerCenter->setValueAtTime(frame, centerPoint[i], ViewSpec::current(), i);
            } else {
                // No keyframe at this time: tracking failed
                ret = false;
                break;
            }
        }
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, refFrame);
            if (index != -1) {
                double value = center->getValueAtTime(refFrame, i);
                markerCenter->setValueAtTime(refFrame, value, ViewSpec::current(), i);
            }
        }
    }

    // Convert the correlation score of the TrackerPM to the error
    if (ret) {
        KnobDoublePtr markerError = getErrorKnob();
        KnobDoublePtr correlation = correlationScoreKnob.lock();
        {
            int index = correlation->getKeyFrameIndex(ViewSpec::current(), 0, frame);
            if (index != -1) {
                // The error is estimated as a percentage of the correlation across the number of pixels in the pattern window
                KnobDoublePtr  pBtmLeft = patternBtmLeftKnob.lock();
                KnobDoublePtr  pTopRight = patternTopRightKnob.lock();
                Point btmLeft, topRight;

                btmLeft.x = pBtmLeft->getValueAtTime(frame, 0);
                btmLeft.y = pBtmLeft->getValueAtTime(frame, 1);

                topRight.x = pTopRight->getValueAtTime(frame, 0);
                topRight.y = pTopRight->getValueAtTime(frame, 1);


                double areaPixels = (topRight.x - btmLeft.x) * (topRight.y - btmLeft.y);
                NodePtr trackerInput = trackerNode->getInput(0);
                if (trackerInput) {
                    ImageComponents comps = trackerInput->getEffectInstance()->getComponents(-1);
                    areaPixels *= comps.getNumComponents();
                }

                double value = correlation->getValueAtTime(frame, 0);

                // Convert to a percentage
                value /= areaPixels;

                markerError->setValueAtTime(frame, value, ViewSpec::current(), 0);
            }
        }
    }

    for (int i = 0; i < center->getDimension(); ++i) {
        center->slaveTo(i, markerCenter, i);
    }

    return ret;
} // TrackMarkerPM::trackMarker