req = self._request_webpage(
swf_url, video_id, note='download swf content')
cn = req.read()
cn = zlib.decompress(cn[8:])
pt = re.compile(b'MixerRemote\x08(?P<enc_key>.+?)\$&vv')
enc_key = self._search_regex(pt, cn, 'enc_key').decode('utf8')
req = self._request_webpage(
swf_url, video_id, note='download swf content')
cn = req.read()
cn = zlib.decompress(cn[8:])
pt = re.compile(b'MixerRemote\x08(?P<enc_key>.+?)\$&vv')
enc_key = self._search_regex(pt, cn, 'enc_key').decode('utf8')