[mpv#13211](https://github.com/mpv-player/mpv/issues/13211) Bug in FFmpeg ([issue#53715](https://patchwork.ffmpeg.org/project/ffmpeg/cover/20200424152042.29383-1-hello.vectronic@gmail.com/#53715)). It seems that it can't be solved yet. test case: https://events-delivery.apple.com/0105cftwpxxsfrpdwklppzjhjocakrsk/vod_main_dcxgfpCbhQsgAaxKGMVqZMCdBHZnMpJM/sdr_hvc_1080p_7000/prog_index.m3u8 https://framatube.org/static/streaming-playlists/hls/66fcff64-d8f9-49c1-8deb-011b115786de/73451ad8-d30e-4beb-aa92-3dba23ba07c8-720.m3u8
