"Fullscreen is unavailable" 将 YouTube 视频作为 iframe 嵌入到 QWebEngineView 中

"Fullscreen is unavailable" embedding YouTube videos as iframe in QWebEngineView

我正在尝试在 QWebEngineView 中嵌入 YouTube 视频,视频加载正常,但全屏按钮被禁用并显示此消息 "Fullscreen is unavailable" 即使嵌入代码确实有 "allowfullscreen"

代码片段:

web = QWebEngineView()
htmlString = """
            <iframe width="560" height="315" src="https://www.youtube.com/embed/L0MK7qz13bU?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>
             """
web.setHtml(htmlString, QUrl(baseUrl))

要启用全屏,需要启用页面的 FullScreenSupportEnabled attribute and accept the fullScreenRequested 顺序。

if __name__ == '__main__':
    app = QApplication(sys.argv)
    web = QWebEngineView()
    web.settings().setAttribute(QWebEngineSettings.FullScreenSupportEnabled, True)
    web.page().fullScreenRequested.connect(lambda request: request.accept())
    baseUrl = "local"
    htmlString = """
            <iframe width="560" height="315" src="https://www.youtube.com/embed/L0MK7qz13bU?rel=0&amp;showinfo=0" frameborder="0" allowfullscreen></iframe>
             """
    web.setHtml(htmlString, QUrl(baseUrl))

    web.show()
    sys.exit(app.exec_())

截图: