holoer.blogg.se

I also tried using -map 0:v and -c:0:v instead of usinst just -v, but this threw an "Invalid stream specifier" error. master_pl_name test.m3u8 -hls_segment_filename. hls_flags append_list -hls_playlist_type event -hls_start_number_source generic -start_number 0 \ var_stream_map "v:0,agroup:audio,ccgroup:cc a:0,agroup:audio,language:ger,ccgroup:cc a:1,agroup:audio,language:eng,ccgroup:cc a:2,agroup:audio,language:fra,ccgroup:cc a:3,agroup:audio,language:spa,ccgroup:cc" \ cc_stream_map "ccgroup:cc,instreamid:CC1,language:ger ccgroup:cc,instreamid:CC2,language:eng ccgroup:cc,instreamid:CC3,language:fra ccgroup:cc,instreamid:CC4,language:spa" \

i LFS_000420_heidelberg4sprachen_spa.vtt \ i LFS_000420_heidelberg4sprachen_fra.vtt \ i LFS_000420_heidelberg4sprachen_eng.vtt \ i LFS_000420_heidelberg4sprachen_ger.vtt \ Here's what I've been trying to do: ffmpeg -i LFS_000420_heidelberg4sprachen.mp4 \ Mapping the separate vtt files into the mix doesn't seem to work. This works fine, including different variant streams for the languages. I'm resizing the file and turning it into transport segments and the HLS playlists using the HLS muxer of FFmpeg 4.2 (Version from the Fedora 32 repos). I also have 4 subtitle tracks in WebVTT format, one per language.My main file is containing a single video track and 4 audio tracks, both in different languages.

I've been experimenting with adding WebVTT subtitles to an HLS playlist, but I'm starting to ask myself if what I'm trying to do is actually possible.