3c4683c319
What mixer is used is already logged by the code that starts the mixer. Some mixers have additional information about what controls, etc. are used, but in this case the only thing we add is that GStreamer is used.
62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
from __future__ import absolute_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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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's mixer is injected
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# into the software mixer actor and has no effect. Thus, we need to set
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# the initial 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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