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54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import asyncio
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import contextlib
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import os
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import signal
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import threading
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from .common import FileDownloader
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from .external import FFmpegFD
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from ..dependencies import websockets
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class FFmpegSinkFD(FileDownloader):
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""" A sink to ffmpeg for downloading fragments in any form """
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def real_download(self, filename, info_dict):
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info_copy = info_dict.copy()
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info_copy['url'] = '-'
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async def call_conn(proc, stdin):
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try:
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await self.real_connection(stdin, info_dict)
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except OSError:
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pass
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finally:
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with contextlib.suppress(OSError):
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stdin.flush()
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stdin.close()
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os.kill(os.getpid(), signal.SIGINT)
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class FFmpegStdinFD(FFmpegFD):
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@classmethod
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def get_basename(cls):
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return FFmpegFD.get_basename()
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def on_process_started(self, proc, stdin):
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thread = threading.Thread(target=asyncio.run, daemon=True, args=(call_conn(proc, stdin), ))
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thread.start()
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return FFmpegStdinFD(self.ydl, self.params or {}).download(filename, info_copy)
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async def real_connection(self, sink, info_dict):
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""" Override this in subclasses """
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raise NotImplementedError('This method must be implemented by subclasses')
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class WebSocketFragmentFD(FFmpegSinkFD):
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async def real_connection(self, sink, info_dict):
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async with websockets.connect(info_dict['url'], extra_headers=info_dict.get('http_headers', {})) as ws:
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while True:
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recv = await ws.recv()
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if isinstance(recv, str):
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recv = recv.encode('utf8')
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sink.write(recv)
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