Python libvlc_audio_get_track_count示例

示例#1

文件： hearingtests_vlc.py 项目： bricaud/hearingtestsvideo

 def SwitchAudioTrack(self):
     """Switch the audio track
     """
     nb_tracks = vlc.libvlc_audio_get_track_count(self.mediaplayer)
     track_Id = vlc.libvlc_audio_get_track(self.mediaplayer)
     if nb_tracks<2:
         return
     if track_Id==1:
         vlc.libvlc_audio_set_track(self.mediaplayer, 2)
         self.labelend.setText("Audio track 2")
     else:
         vlc.libvlc_audio_set_track(self.mediaplayer, 1)
         self.labelend.setText("Audio track 1")

示例#2

文件： hearingtestsall6.py 项目： bricaud/hearingtestsvideo

 def SwitchAudioTrack(self):
     """Switch the Version
     """
     nb_tracks = vlc.libvlc_audio_get_track_count(self.mediaplayer)
     track_Id = vlc.libvlc_audio_get_track(self.mediaplayer)
     if nb_tracks<2:
         return
     #self.PlayPause()
     self.mediaplayer.pause()
     if track_Id==1:
         while vlc.libvlc_audio_get_track(self.mediaplayer)!=2:
             vlc.libvlc_audio_set_track(self.mediaplayer, 2)
         self.labelend.setText("Version 2")
     else:
         while vlc.libvlc_audio_get_track(self.mediaplayer)!=1:
             vlc.libvlc_audio_set_track(self.mediaplayer, 1)
         self.labelend.setText("Version 1")
     #self.PlayPause()
     self.mediaplayer.play()
     track_Id = vlc.libvlc_audio_get_track(self.mediaplayer)
     if track_Id==1:
         self.labelend.setText("Version 1")
     else:
         self.labelend.setText("Version 2")