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Source Code:
import sys, os from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, \ QHBoxLayout, QVBoxLayout from PyQt5.QtCore import QUrl from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent class MyApp(QWidget): def __init__(self): super().__init__() self.window_width, self.window_height = 800, 120 self.setMinimumSize(self.window_width, self.window_height) self.layout = QVBoxLayout() self.setLayout(self.layout) btn = QPushButton('Play', clicked=self.playAudioFile) self.layout.addWidget(btn) volumeControl = QHBoxLayout() self.layout.addLayout(volumeControl) btnVolumeUp = QPushButton('+', clicked=self.volumeUp) btnVolumeDown = QPushButton('-', clicked=self.volumeDown) butVolumeMute = QPushButton('Mute', clicked=self.volumeMute) volumeControl.addWidget(btnVolumeUp) volumeControl.addWidget(butVolumeMute) volumeControl.addWidget(btnVolumeDown) self.player = QMediaPlayer() def volumeUp(self): currentVolume = self.player.volume() # print(currentVolume) self.player.setVolume(currentVolume + 5) def volumeDown(self): currentVolume = self.player.volume() # print(currentVolume) self.player.setVolume(currentVolume - 5) def volumeMute(self): self.player.setMuted(not self.player.isMuted()) def playAudioFile(self): full_file_path = os.path.join(os.getcwd(), 'test.mp3') url = QUrl.fromLocalFile(full_file_path) content = QMediaContent(url) self.player.setMedia(content) self.player.play() if __name__ == '__main__': # don't auto scale when drag app to a different monitor. # QApplication.setAttribute(Qt.HighDpiScaleFactorRoundingPolicy.PassThrough) app = QApplication(sys.argv) app.setStyleSheet(''' QWidget { font-size: 30px; } ''') myApp = MyApp() myApp.show() try: sys.exit(app.exec_()) except SystemExit: print('Closing Window...')