Помогите переложить код QML OpenCV c PyQt5 на PySide2

Структура проекта
├── main.py
├── main.qml
└── PyCVQML
................├── cvcapture.py
................├── cvitem.py
................└── init .py

main.py

import os
import sys
import cv2
import numpy as np
from PyQt5 import QtGui, QtCore, QtQuick, QtQml
import PyCVQML


if __name__ == '__main__':

    app = QtGui.QGuiApplication(sys.argv)

    PyCVQML.registerTypes()
    QtQml.qmlRegisterType(PyCVQML.CVCapture, "Filters", 1, 0, "GrayFilter")

    view = QtQuick.QQuickView()
    view.setTitle("PyCVQML Example")
    dir_path = os.path.dirname(os.path.realpath(__file__))
    view.setSource(QtCore.QUrl.fromLocalFile(QtCore.QDir(dir_path).absoluteFilePath("main.qml")))
    view.show()
    sys.exit(app.exec_())

main.qml

import QtQuick 2.15
import PyCVQML 1.0
import Filters 1.0
import QtQuick.Controls 2.15

Item {
    width: 800
    height: 600

    CVItem  {
        id: imageWriter
        anchors.fill: parent
        image: capture.image
    }


    CVCapture{
        id: capture
        index: 0
        filters: [max_rgb_filter, gray_filter]
        Component.onCompleted: capture.start()
        }
}

PyCVQML/cvcapture.py

import numpy as np
import threading

import cv2

from PyQt5 import QtCore, QtGui, QtQml

gray_color_table = [QtGui.qRgb(i, i, i) for i in range(256)]


class CVAbstractFilter(QtCore.QObject):
    def process_image(self, src):
        dst = src
        return dst


class CVCapture(QtCore.QObject):
    started = QtCore.pyqtSignal()
    imageReady = QtCore.pyqtSignal()
    indexChanged = QtCore.pyqtSignal()

    def __init__(self, parent=None):
        super(CVCapture, self).__init__(parent)
        self._image = QtGui.QImage()
        self._index = 0

        self.m_videoCapture = cv2.VideoCapture()
        self.m_timer = QtCore.QBasicTimer()
        self.m_filters = []
        self.m_busy = False

    @QtCore.pyqtSlot()
    @QtCore.pyqtSlot(int)
    def start(self, *args):
        if args:
            self.setIndex(args[0])
        self.m_videoCapture.release()
        self.m_videoCapture = cv2.VideoCapture(self._index)
        if self.m_videoCapture.isOpened():
            self.m_timer.start(0, self)
            self.started.emit()

    @QtCore.pyqtSlot()
    def stop(self):
        self.m_timer.stop()

    def timerEvent(self, e):
        if e.timerId() != self.m_timer.timerId():
            return
        ret, frame = self.m_videoCapture.read()
        if not ret:
            self.m_timer.stop()
            return
        if not self.m_busy:
            threading.Thread(target=self.process_image, args=(np.copy(frame),)).start()

    @QtCore.pyqtSlot(np.ndarray)
    def process_image(self, frame):
        self.m_busy = True
        for f in self.m_filters:
            frame = f.process_image(frame)
        image = CVCapture.ToQImage(frame)
        self.m_busy = False
        QtCore.QMetaObject.invokeMethod(self,
                                        "setImage",
                                        QtCore.Qt.QueuedConnection,
                                        QtCore.Q_ARG(QtGui.QImage, image))

    @staticmethod
    def ToQImage(im):
        if im is None:
            return QtGui.QImage()
        if im.dtype == np.uint8:
            if len(im.shape) == 2:
                qim = QtGui.QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QtGui.QImage.Format_Indexed8)
                qim.setColorTable(gray_color_table)
                return qim.copy()

            elif len(im.shape) == 3:
                if im.shape[2] == 3:
                    w, h, _ = im.shape
                    rgb_image = cv2.cvtColor(im, cv2.COLOR_BGR2RGB)
                    flip_image = cv2.flip(rgb_image, 1)
                    qim = QtGui.QImage(flip_image.data, h, w, QtGui.QImage.Format_RGB888)
                    return qim.copy()
        return QtGui.QImage()

    def image(self):
        return self._image

    @QtCore.pyqtSlot(QtGui.QImage)
    def setImage(self, image):
        if self._image == image:
            return
        self._image = image
        self.imageReady.emit()

    def index(self):
        return self._index

    def setIndex(self, index):
        if self._index == index:
            return
        self._index = index
        self.indexChanged.emit()

    @QtCore.pyqtProperty(QtQml.QQmlListProperty)
    def filters(self):
        return QtQml.QQmlListProperty(CVAbstractFilter, self, self.m_filters)




    image = QtCore.pyqtProperty(QtGui.QImage, fget=image, notify=imageReady)
    index = QtCore.pyqtProperty(int, fget=index, fset=setIndex, notify=indexChanged)

PyCVQML/cvitem.py

from PyQt5 import QtCore, QtGui, QtQuick


class CVItem(QtQuick.QQuickPaintedItem):
    imageChanged = QtCore.pyqtSignal()

    def __init__(self, parent=None):
        super(CVItem, self).__init__(parent)
        ## self.setRenderTarget(QtQuick.QQuickPaintedItem.FramebufferObject)
        self.m_image = QtGui.QImage()

    def paint(self, painter):
        if self.m_image.isNull():
            return
        image = self.m_image.scaled(self.size().toSize())
        painter.drawImage(QtCore.QPoint(), image)

    def image(self):
        return self.m_image

    def setImage(self, image):
        if self.m_image == image:
            return
        self.m_image = image
        self.imageChanged.emit()
        self.update()

    image = QtCore.pyqtProperty(QtGui.QImage, fget=image, fset=setImage, notify=imageChanged)

PyCVQML/ init .py

from PyQt5 import QtQml

from .cvcapture import CVCapture, CVAbstractFilter
from .cvitem import CVItem


def registerTypes(uri="PyCVQML"):
    QtQml.qmlRegisterType(CVCapture, uri, 1, 0, "CVCapture")
    QtQml.qmlRegisterType(CVItem, uri, 1, 0, "CVItem")