Update gstreamer.py
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@ -9,9 +9,6 @@ except:
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else:
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_gstreamerAvailable, args = Gst.init_check(None)
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from . import debug
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from .sound_generator import Icon, Tone
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class sound:
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"""Plays Icons and Tones."""
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@ -19,12 +16,8 @@ class sound:
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self._initialized = False
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self._source = None
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self._sink = None
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if not _gstreamerAvailable:
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msg = 'SOUND ERROR: Gstreamer is not available'
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debug.println(debug.LEVEL_INFO, msg, True)
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return
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self.init()
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def _onPlayerMessage(self, bus, message):
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@ -33,8 +26,6 @@ class sound:
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elif message.type == Gst.MessageType.ERROR:
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self._player.set_state(Gst.State.NULL)
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error, info = message.parse_error()
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msg = 'SOUND ERROR: %s' % error
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debug.println(debug.LEVEL_INFO, msg, True)
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def _onPipelineMessage(self, bus, message):
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if message.type == Gst.MessageType.EOS:
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@ -42,28 +33,20 @@ class sound:
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elif message.type == Gst.MessageType.ERROR:
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self._pipeline.set_state(Gst.State.NULL)
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error, info = message.parse_error()
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msg = 'SOUND ERROR: %s' % error
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debug.println(debug.LEVEL_INFO, msg, True)
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def _onTimeout(self, element):
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element.set_state(Gst.State.NULL)
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return False
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def _playIcon(self, icon, interrupt=True):
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"""Plays a sound icon, interrupting the current play first unless specified."""
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def playSoundFile(self, fileName, interrupt=True):
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if interrupt:
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self._player.set_state(Gst.State.NULL)
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self._player.set_property('uri', 'file://%s' % icon.path)
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self.stop()
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self._player.set_property('uri', 'file://%s' % fileName)
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self._player.set_state(Gst.State.PLAYING)
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def _playTone(self, tone, interrupt=True):
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"""Plays a tone, interrupting the current play first unless specified."""
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def playFrequence(self, frequence, duration, adjustVolume, interrupt=True):
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if interrupt:
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self._pipeline.set_state(Gst.State.NULL)
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self.stop()
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self._source.set_property('volume', tone.volume)
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self._source.set_property('freq', tone.frequency)
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self._source.set_property('wave', tone.wave)
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@ -73,10 +56,8 @@ class sound:
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def init(self):
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"""(Re)Initializes the Player."""
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if self._initialized:
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return
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if not _gstreamerAvailable:
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return
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@ -85,7 +66,7 @@ class sound:
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bus.add_signal_watch()
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bus.connect("message", self._onPlayerMessage)
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self._pipeline = Gst.Pipeline(name='orca-pipeline')
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self._pipeline = Gst.Pipeline(name='fenrir-pipeline')
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bus = self._pipeline.get_bus()
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bus.add_signal_watch()
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bus.connect("message", self._onPipelineMessage)
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@ -98,37 +79,19 @@ class sound:
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self._initialized = True
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def play(self, item, interrupt=True):
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"""Plays a sound, interrupting the current play first unless specified."""
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if isinstance(item, Icon):
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self._playIcon(item, interrupt)
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elif isinstance(item, Tone):
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self._playTone(item, interrupt)
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else:
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msg = 'SOUND ERROR: %s is not an Icon or Tone' % item
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debug.println(debug.LEVEL_INFO, msg, True)
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def stop(self, element=None):
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"""Stops play."""
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if not _gstreamerAvailable:
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return
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if element:
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element.set_state(Gst.State.NULL)
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return
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self._player.set_state(Gst.State.NULL)
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self._pipeline.set_state(Gst.State.NULL)
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def shutdown(self):
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"""Shuts down the sound utilities."""
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global _gstreamerAvailable
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if not _gstreamerAvailable:
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return
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self.stop()
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self._initialized = False
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_gstreamerAvailable = False
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