MacOS - The video widget is not compatible with QtWebEngine

myxingkong

I have a program embedded with both media player and QtWebEngine, which is used to access specific web pages when playing video.

It worked perfectly on Windows and Linux, and when I ran it on MacOS, the media player would become invisible, and QtWebEngine had some display problems.

I tested the VLC MediaPlayer and QMediaPlayer on PySide5.9.6 and 5.11, and they all had the same problems.

VLC test code

# -*- coding: utf-8 -*-
import sys
import os
import vlc

from PySide2.QtGui import *
from PySide2.QtWidgets import *
from PySide2.QtCore import *
from PySide2.QtWebEngineWidgets import *

class test_widget(QWidget):

    def __init__(self, parent=None):
        super(test_widget, self).__init__(parent)
        self.__ui__()

    def __ui__(self):
        t_lay_parent = QVBoxLayout()
        t_lay_content = QHBoxLayout()
        t_lay_tool = QHBoxLayout()

        self.label_media = QLabel()
        self.webengine = QWebEngineView()
        t_lay_content.addWidget(self.label_media, 1)
        t_lay_content.addWidget(self.webengine, 1)

        self.lineedit_url = QLineEdit("http://baidu.com")
        self.button_go = QPushButton("Go")
        self.button_play = QPushButton("Play")
        t_lay_tool.addWidget(self.lineedit_url)
        t_lay_tool.addWidget(self.button_go)
        t_lay_tool.addWidget(self.button_play)

        self.button_go.clicked.connect(self.slt_go)
        self.button_play.clicked.connect(self.slt_play)

        t_lay_parent.addLayout(t_lay_content)
        t_lay_parent.addLayout(t_lay_tool)
        self.setLayout(t_lay_parent)

        self.instance = vlc.Instance("-q")
        self.m_player = self.instance.media_player_new()
        t_wid = self.label_media.winId()
        if sys.platform.startswith('linux'):  # linux
            self.m_player.set_xwindow(t_wid)
        elif sys.platform == "win32":  # windows
            self.m_player.set_hwnd(t_wid)
        elif sys.platform == "darwin":  # mac
            self.m_player.set_nsobject(t_wid)

    def slt_go(self):
        t_url = self.lineedit_url.text()
        self.webengine.setUrl(QUrl(t_url))

    def slt_play(self):
        t_media = self.instance.media_new("1.mp4")
        self.m_player.set_media(t_media)
        self.m_player.play()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = test_widget()
    win.show()
    sys.exit(app.exec_())

QMediaPlayer test code

# -*- coding: utf-8 -*-

import os
import sys

from PySide2.QtGui import *
from PySide2.QtCore import *
from PySide2.QtWidgets import *
from PySide2.QtMultimedia import *
from PySide2.QtWebEngineWidgets import *
from PySide2.QtMultimediaWidgets import *

class demo_widget(QWidget):
    def __init__(self, parent=None):
        super(demo_widget, self).__init__(parent)
        self.__ui__()

    def __ui__(self):
        t_lay_parnet = QVBoxLayout()
        t_lay_content = QHBoxLayout()
        self.video_widget = QVideoWidget()
        self.webView = QWebEngineView()
        t_lay_content.addWidget(self.video_widget, 1)
        t_lay_content.addWidget(self.webView, 1)
        t_lay_bottom = QHBoxLayout()
        self.lineEdit = QLineEdit("https://Google.com")
        self.pushButton = QPushButton("Go")
        self.pushButton1 = QPushButton("Play")
        t_lay_bottom.addWidget(self.lineEdit)
        t_lay_bottom.addWidget(self.pushButton)
        t_lay_bottom.addWidget(self.pushButton1)
        t_lay_parnet.addLayout(t_lay_content)
        t_lay_parnet.addLayout(t_lay_bottom)
        self.setLayout(t_lay_parnet)
        self.pushButton.clicked.connect(self.slt_jump)
        self.pushButton1.clicked.connect(self.slt_play)
        self.player = QMediaPlayer()
        self.player.setVideoOutput(self.video_widget)

    def slt_jump(self):
        t_text = self.lineEdit.text()
        if t_text.strip() != "":
            self.webView.load(QUrl(t_text))

    def slt_play(self):
        self.player.setMedia(QMediaContent(QUrl.fromLocalFile("1.mp4")))
        self.player.play()

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = demo_widget()
    win.show()
    sys.exit(app.exec_())