if not src:
continue
formats.extend(self._extract_m3u8_formats(
src, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))
if not src:
continue
formats.extend(self._extract_m3u8_formats(
src, video_id, 'mp4', 'm3u8_native', m3u8_id='hls', fatal=False))