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Multicast AudioSource
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| import time | |
| import threading | |
| import queue | |
| import discord | |
| class SourceMulticaster(threading.Thread): | |
| class ProxySource(discord.AudioSource): | |
| def __init__(self, data_queue, cleanup_func, is_opus): | |
| self.data_queue = data_queue | |
| self.cleanup_func = cleanup_func | |
| self._is_opus = is_opus | |
| def read(self): | |
| try: | |
| data = self.data_queue.get(timeout=0.5) | |
| except queue.Empty: | |
| data = None | |
| return data | |
| def is_opus(self): | |
| return self._is_opus | |
| def cleanup(self): | |
| self.cleanup_func(self) | |
| def __init__(self, source): | |
| super().__init__(target=self._run, daemon=True) | |
| self.source = source | |
| self._source_proxies = {} | |
| self._end = threading.Event() | |
| self._lock = threading.Lock() | |
| def get(self, vc): | |
| ps = self._source_proxies.get(vc) | |
| if ps is None: | |
| ps = self._make_proxysource(vc) | |
| self._source_proxies[vc] = ps | |
| return ps | |
| def stop(self): | |
| self._end.set() | |
| self._do_cleanup() | |
| def _do_cleanup(self): | |
| with self._lock: | |
| for vc in self._source_proxies: | |
| vc.stop() | |
| self._source_proxies.clear() | |
| def _make_proxysource(self, vc): | |
| data_queue = queue.Queue(2) | |
| cleanup_func = self._make_cleanup(vc) | |
| ps = self.ProxySource(data_queue, cleanup_func, self.source.is_opus()) | |
| return ps | |
| def _make_cleanup(self, vc): | |
| def _generated(ps): | |
| with self._lock: | |
| self._source_proxies.pop(vc, None) | |
| return _generated | |
| def _run(self): | |
| loops = 0 | |
| start = time.perf_counter() | |
| base_delay = 0.02 | |
| while not self._end.is_set(): | |
| loops += 1 | |
| data = self.source.read() | |
| if not data: | |
| self.stop() | |
| break | |
| with self._lock: | |
| for ps in self._source_proxies.values(): | |
| try: | |
| ps.data_queue.put_nowait(data) | |
| except queue.Full: | |
| ... # ? | |
| next_time = start + base_delay * loops | |
| delay = max(0, base_delay + (next_time - time.perf_counter())) | |
| time.sleep(delay) | |
| async def example_usage(): | |
| manager = SourceMulticaster(source) | |
| manager.start() | |
| vc1 = await channel.connect() | |
| vc1.play(manager.get(vc1)) | |
| vc2 = await another_channel.connect() | |
| vc2.play(manager.get(vc2)) |
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