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@ -46,20 +46,28 @@ class HardwareManager(object):
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for track in self._mixer.list_tracks():
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if track.flags & gst.interfaces.MIXER_TRACK_MASTER:
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self._mixer_master = track
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self._master = track
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def set_volume(self, volume):
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if not self._mixer or not self._master:
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logging.error('Cannot set the volume')
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if volume < 0 or volume > 100:
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logging.error('Trying to set an invalid volume value.')
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return
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max_volume = self._mixer_master.max_volume
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min_volume = self._mixer_master.min_volume
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max_volume = self._master.max_volume
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min_volume = self._master.min_volume
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volume = (volume / 100.0) * (max_volume - min_volume) + min_volume
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volume_list = [ volume ] * self._mixer_master.num_channels
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volume_list = [ volume ] * self._master.num_channels
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self._mixer.set_volume(self._master, tuple(volume_list))
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self._mixer.set_volume(self._mixer_master, tuple(volume_list))
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def set_mute(self, mute):
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if not self._mixer or not self._master:
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logging.error('Cannot mute the audio channel')
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self._mixer.set_mute(self._master, mute)
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def set_display_mode(self, mode):
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if not self._service:
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