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https://github.com/onyx-and-iris/voicemeeter-api-python.git
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76 lines
2.8 KiB
Python
76 lines
2.8 KiB
Python
import logging
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import threading
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import time
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from .util import comp
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logger = logging.getLogger(__name__)
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class Producer(threading.Thread):
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"""Continously send job queue to the Updater thread at a rate of self._remote.ratelimit."""
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def __init__(self, remote, queue, stop_event):
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super().__init__(name="producer", daemon=False)
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self._remote = remote
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self.queue = queue
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self.stop_event = stop_event
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self.logger = logger.getChild(self.__class__.__name__)
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def stopped(self):
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return self.stop_event.is_set()
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def run(self):
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while not self.stopped():
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if self._remote.event.pdirty:
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self.queue.put("pdirty")
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if self._remote.event.mdirty:
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self.queue.put("mdirty")
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if self._remote.event.midi:
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self.queue.put("midi")
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if self._remote.event.ldirty:
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self.queue.put("ldirty")
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time.sleep(self._remote.ratelimit)
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self.logger.debug(f"terminating {self.name} thread")
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self.queue.put(None)
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class Updater(threading.Thread):
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def __init__(self, remote, queue):
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super().__init__(name="updater", daemon=True)
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self._remote = remote
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self.queue = queue
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self._remote._strip_comp = [False] * (self._remote.kind.num_strip_levels)
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self._remote._bus_comp = [False] * (self._remote.kind.num_bus_levels)
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(
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self._remote.cache["strip_level"],
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self._remote.cache["bus_level"],
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) = self._remote._get_levels()
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self.logger = logger.getChild(self.__class__.__name__)
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def _update_comps(self, strip_level, bus_level):
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self._remote._strip_comp, self._remote._bus_comp = (
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tuple(not x for x in comp(self._remote.cache["strip_level"], strip_level)),
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tuple(not x for x in comp(self._remote.cache["bus_level"], bus_level)),
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)
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def run(self):
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"""
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Continously update observers of dirty states.
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Generate _strip_comp, _bus_comp and update level cache if ldirty.
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"""
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while event := self.queue.get():
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if event == "pdirty" and self._remote.pdirty:
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self._remote.subject.notify(event)
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elif event == "mdirty" and self._remote.mdirty:
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self._remote.subject.notify(event)
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elif event == "midi" and self._remote.get_midi_message():
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self._remote.subject.notify(event)
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elif event == "ldirty" and self._remote.ldirty:
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self._update_comps(self._remote._strip_buf, self._remote._bus_buf)
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self._remote.cache["strip_level"] = self._remote._strip_buf
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self._remote.cache["bus_level"] = self._remote._bus_buf
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self._remote.subject.notify(event)
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self.logger.debug(f"terminating {self.name} thread")
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