mixer: Add bundled Mopidy-SoftwareMixer extension

mopidy/softwaremixer/__init__.py

@@ -0,0 +1,25 @@
+from __future__ import unicode_literals
+
+import os
+
+import mopidy
+from mopidy import config, ext
+
+
+class Extension(ext.Extension):
+
+    dist_name = 'Mopidy-SoftwareMixer'
+    ext_name = 'softwaremixer'
+    version = mopidy.__version__
+
+    def get_default_config(self):
+        conf_file = os.path.join(os.path.dirname(__file__), 'ext.conf')
+        return config.read(conf_file)
+
+    def get_config_schema(self):
+        schema = super(Extension, self).get_config_schema()
+        return schema
+
+    def setup(self, registry):
+        from .mixer import SoftwareMixer
+        registry.add('mixer', SoftwareMixer)

mopidy/softwaremixer/ext.conf

@@ -0,0 +1,2 @@
+[softwaremixer]
+enabled = true

mopidy/softwaremixer/mixer.py

@@ -0,0 +1,34 @@
+from __future__ import unicode_literals
+
+import logging
+
+import pykka
+
+from mopidy import mixer
+
+
+logger = logging.getLogger(__name__)
+
+
+class SoftwareMixer(pykka.ThreadingActor, mixer.Mixer):
+
+    name = 'software'
+
+    def __init__(self, config, audio):
+        super(SoftwareMixer, self).__init__()
+        self.config = config
+        self.audio = audio
+
+        logger.info('Mixing using GStreamer software mixing')
+
+    def get_volume(self):
+        return self.audio.get_volume().get()
+
+    def set_volume(self, volume):
+        self.audio.set_volume(volume)
+
+    def get_mute(self):
+        return self.audio.get_mute().get()
+
+    def set_mute(self, muted):
+        self.audio.set_mute(muted)

setup.py

@@ -42,6 +42,7 @@ setup(
             'http = mopidy.http:Extension',
             'local = mopidy.local:Extension',
             'mpd = mopidy.mpd:Extension',
+            'softwaremixer = mopidy.softwaremixer:Extension',
             'stream = mopidy.stream:Extension',
         ],
     },