From 5122028a4bcac4ae577ef7fbd55ccad5cb34ef5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs?= <heckyel@hyperbola.info>
Date: Mon, 18 Oct 2021 15:24:21 -0500
Subject: update from upstream

---
 hypervideo_dl/downloader/websocket.py | 59 +++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 hypervideo_dl/downloader/websocket.py

(limited to 'hypervideo_dl/downloader/websocket.py')

diff --git a/hypervideo_dl/downloader/websocket.py b/hypervideo_dl/downloader/websocket.py
new file mode 100644
index 0000000..0882220
--- /dev/null
+++ b/hypervideo_dl/downloader/websocket.py
@@ -0,0 +1,59 @@
+import os
+import signal
+import asyncio
+import threading
+
+try:
+    import websockets
+    has_websockets = True
+except ImportError:
+    has_websockets = False
+
+from .common import FileDownloader
+from .external import FFmpegFD
+
+
+class FFmpegSinkFD(FileDownloader):
+    """ A sink to ffmpeg for downloading fragments in any form """
+
+    def real_download(self, filename, info_dict):
+        info_copy = info_dict.copy()
+        info_copy['url'] = '-'
+
+        async def call_conn(proc, stdin):
+            try:
+                await self.real_connection(stdin, info_dict)
+            except (BrokenPipeError, OSError):
+                pass
+            finally:
+                try:
+                    stdin.flush()
+                    stdin.close()
+                except OSError:
+                    pass
+                os.kill(os.getpid(), signal.SIGINT)
+
+        class FFmpegStdinFD(FFmpegFD):
+            @classmethod
+            def get_basename(cls):
+                return FFmpegFD.get_basename()
+
+            def on_process_started(self, proc, stdin):
+                thread = threading.Thread(target=asyncio.run, daemon=True, args=(call_conn(proc, stdin), ))
+                thread.start()
+
+        return FFmpegStdinFD(self.ydl, self.params or {}).download(filename, info_copy)
+
+    async def real_connection(self, sink, info_dict):
+        """ Override this in subclasses """
+        raise NotImplementedError('This method must be implemented by subclasses')
+
+
+class WebSocketFragmentFD(FFmpegSinkFD):
+    async def real_connection(self, sink, info_dict):
+        async with websockets.connect(info_dict['url'], extra_headers=info_dict.get('http_headers', {})) as ws:
+            while True:
+                recv = await ws.recv()
+                if isinstance(recv, str):
+                    recv = recv.encode('utf8')
+                sink.write(recv)
-- 
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