Vlc无法在PyQt5中处理无边框窗口和透明/半透明背景

import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtGui import QSurfaceFormat
from PyQt5.QtWidgets import QApplication, QMainWindow, QWidget, QVBoxLayout
from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent
from PyQt5.QtMultimediaWidgets import QVideoWidget
import vlc

class VideoWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("VLC in PyQt5")
        self.setGeometry(100, 100, 800, 600)

        # 创建 VLC 实例
        self.instance = vlc.Instance()
        self.player = self.instance.media_player_new()

        # 创建视频窗口
        self.video_widget = QVideoWidget()
        self.player.set_hwnd(self.video_widget.winId())

        # 设置无边框窗口
        self.setWindowFlags(self.windowFlags() | Qt.FramelessWindowHint)

        # 设置透明背景
        self.setAttribute(Qt.WA_TranslucentBackground)

        # 布局
        layout = QVBoxLayout()
        layout.addWidget(self.video_widget)
        container = QWidget()
        container.setLayout(layout)
        self.setCentralWidget(container)

        # 播放视频
        media_content = QMediaContent(QUrl.fromLocalFile("path_to_your_video.mp4"))
        self.player.set_media(media_content)
        self.player.play()

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

import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtGui import QSurfaceFormat
from PyQt5.QtQml import QQmlApplicationEngine
from PyQt5.QtQuick import QQuickView
import vlc

class VideoPlayer(QQuickView):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("VLC in PyQt5 with QML")
        self.setGeometry(100, 100, 800, 600)

        # 创建 VLC 实例
        self.instance = vlc.Instance()
        self.player = self.instance.media_player_new()

        # 加载 QML 文件
        self.setSource(QUrl("qrc:/main.qml"))

        # 设置无边框窗口
        self.setFlags(self.flags() | Qt.FramelessWindowHint)

        # 设置透明背景
        self.setAttribute(Qt.WA_TranslucentBackground)

        # 连接 QML 中的视频窗口
        self.rootContext().setContextProperty("videoWidget", self.video_widget)

        # 播放视频
        media_content = QMediaContent(QUrl.fromLocalFile("path_to_your_video.mp4"))
        self.player.set_media(media_content)
        self.player.play()

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