b8a0ca59cd
This rips the mixer bits and pieces that have been hiding in the audio actor to it's own class. The software mixer now only knows about this and nothing else from audio.
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
from __future__ import unicode_literals
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import logging
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import pykka
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from mopidy import mixer
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logger = logging.getLogger(__name__)
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class SoftwareMixer(pykka.ThreadingActor, mixer.Mixer):
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name = 'software'
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def __init__(self, config):
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super(SoftwareMixer, self).__init__(config)
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self._audio_mixer = None
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self._initial_volume = None
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self._initial_mute = None
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# TODO: shouldn't this be logged by thing that choose us?
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logger.info('Mixing using GStreamer software mixing')
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def setup(self, mixer_ref):
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self._audio_mixer = mixer_ref
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# The Mopidy startup procedure will set the initial volume of a
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# mixer, but this happens before the audio actor is injected into the
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# software mixer and has no effect. Thus, we need to set the initial
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# volume again.
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if self._initial_volume is not None:
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self.set_volume(self._initial_volume)
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if self._initial_mute is not None:
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self.set_mute(self._initial_mute)
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def teardown(self):
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self._audio_mixer = None
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def get_volume(self):
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if self._audio_mixer is None:
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return None
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return self._audio_mixer.get_volume().get()
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def set_volume(self, volume):
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if self._audio_mixer is None:
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self._initial_volume = volume
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return False
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self._audio_mixer.set_volume(volume)
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return True
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def get_mute(self):
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if self._audio_mixer is None:
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return None
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return self._audio_mixer.get_mute().get()
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def set_mute(self, mute):
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if self._audio_mixer is None:
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self._initial_mute = mute
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return False
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self._audio_mixer.set_mute(mute)
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return True
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