+ thumbnail, duration = [None] * 2
+
+ if not video_urls:
+ tv_webpage = dl_webpage('tv')
+
+ assignments = self._search_regex(
+ r'(var.+?mediastring.+?)</script>', tv_webpage,
+ 'encoded url').split(';')
+
+ js_vars = {}
+
+ def parse_js_value(inp):
+ inp = re.sub(r'/\*(?:(?!\*/).)*?\*/', '', inp)
+ if '+' in inp:
+ inps = inp.split('+')
+ return functools.reduce(
+ operator.concat, map(parse_js_value, inps))
+ inp = inp.strip()
+ if inp in js_vars:
+ return js_vars[inp]
+ return remove_quotes(inp)
+
+ for assn in assignments:
+ assn = assn.strip()
+ if not assn:
+ continue
+ assn = re.sub(r'var\s+', '', assn)
+ vname, value = assn.split('=', 1)
+ js_vars[vname] = parse_js_value(value)
+
+ video_url = js_vars['mediastring']
+ if video_url not in video_urls_set:
+ video_urls.append((video_url, None))
+ video_urls_set.add(video_url)
+
+ for mobj in re.finditer(
+ r'<a[^>]+\bclass=["\']downloadBtn\b[^>]+\bhref=(["\'])(?P<url>(?:(?!\1).)+)\1',
+ webpage):
+ video_url = mobj.group('url')
+ if video_url not in video_urls_set:
+ video_urls.append((video_url, None))
+ video_urls_set.add(video_url)