}
f4m_url += '&' if '?' in f4m_url else '?'
f4m_url += compat_urllib_parse.urlencode(f4m_params)
- formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds'))
+ f4m_formats = self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds', fatal=False)
+ if f4m_formats:
+ formats.extend(f4m_formats)
continue
if src_url.startswith('http') and self._is_valid_url(src, video_id):