问PyQt5 QMedaPlayer -缩放旋转视频以填充可用窗口大小

EN

from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtWidgets import QVBoxLayout
from PyQt5.QtWidgets import QGraphicsScene, QGraphicsView
from PyQt5.QtGui import QPalette
from PyQt5.QtCore import Qt, QUrl
from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent
from PyQt5.QtMultimediaWidgets import QGraphicsVideoItem, QVideoWidget
import sys

class Player(QWidget):
    def __init__(self):
        super().__init__()
        
        self.setGeometry(350, 100, 700, 500)
        self.setWindowTitle('Non-Rotated Player')
 
        p = self.palette()
        p.setColor(QPalette.Window, Qt.black)
        self.setPalette(p)

        #create media player object
        self.player = QMediaPlayer(None, QMediaPlayer.VideoSurface)
        self.player.setNotifyInterval(17)

        #create videowidget object 
        self.videowidget = QVideoWidget()

        #create vbox layout
        vboxLayout = QVBoxLayout()
        vboxLayout.addWidget(self.videowidget)
 
        self.setLayout(vboxLayout)
 
        self.player.setVideoOutput(self.videowidget)
        
        self.filename = 'my_video.MP4'
        self.player.setMedia(QMediaContent(QUrl.fromLocalFile(self.filename)))
        self.player.setMuted(True)
        self.player.play()

class RotatedPlayer(QWidget):
    def __init__(self):
        super().__init__()

        self.setWindowTitle('Rotated Player')
        self.setGeometry(350, 100, 700, 500)
 
        p = self.palette()
        p.setColor(QPalette.Window, Qt.black)
        self.setPalette(p)

        #create media player object
        self.player = QMediaPlayer(self, QMediaPlayer.VideoSurface)
        
        # Create the surface and view
        self.scene = QGraphicsScene(self)
        self.gv = QGraphicsView(self.scene)
        self.gv.setStyleSheet('background-color: black;')
        
        # Create the item
        self.videoitem = QGraphicsVideoItem()
        self.scene.addItem(self.videoitem)
        self.videoitem.setRotation(180)
        
        # Shouldn't this scale the item to fit the view???
        self.player.setVideoOutput(self.videoitem)
        self.gv.fitInView(self.videoitem, Qt.IgnoreAspectRatio)

        vboxLayout = QVBoxLayout()
        vboxLayout.addWidget(self.gv)
 
        self.setLayout(vboxLayout)
        
        self.filename = 'my_video.MP4'
    
        self.player.setMedia(QMediaContent(QUrl.fromLocalFile(self.filename)))
        self.player.setMuted(True)
        self.player.play()
                
if __name__ == '__main__':
    
    app = QApplication(sys.argv)
    p = Player() 
    p.show()
    r = RotatedPlayer()
    r.show()
    app.exec_()