Summary of the bug: It is more a feature request actually. When using -f segment and -segment_list, the produced playlist is not HTTPLiveStreaming friendly. The request is to add a way to templat'ify the playlists generated with -sgement_list, or to at least give a third "-segment_list_type extm3u" to comply with HLS When using something like: ffmpeg .... -f segment -segment_time 5 -segment_list_t