#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID='subs',NAME='English',DEFAULT=YES,AUTOSELECT=YES,FORCED=NO,LANGUAGE='en',URI='sub2.m3u8'

#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID='subs',NAME='Deutsch',DEFAULT=NO,AUTOSELECT=YES,FORCED=NO,LANGUAGE='de',URI='sub1.m3u8' #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID='stereo',LANGUAGE='lang3',NAME='Some audio name',DEFAULT=NO,AUTOSELECT=YES,URI='file3.m3u8' #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID='stereo',LANGUAGE='lang2',NAME='Some audio name',DEFAULT=NO,AUTOSELECT=YES,URI='file2.m3u8' #EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID='stereo',LANGUAGE='lang',NAME='Some audio name',DEFAULT=YES,AUTOSELECT=YES,URI='file1.m3u8' Where #EXTINF and #EXT-X-TARGETDURATION is duration of a video in seconds.įor example (lets assume that video duration is 00:14:47):įinally, I manually create master.m3u8 file with following content for this example: #EXTM3U m3u8 files for each subtitle with such content: #EXTM3U m3u8 playlists for each audio (I use the same command as for video) ffmpeg -i file1.mp3 -profile:v baseline -level 3.0 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls file1_320x280.m3u8įfmpeg -i file2.mp3 -profile:v baseline -level 3.0 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls file2.m3u8įfmpeg -i file3.mp3 -profile:v baseline -level 3.0 -start_number 0 -hls_time 10 -hls_list_size 0 -f hls file3.m3u8 I am not a professional in this sphere, but here is how I handle it.

M3u8 to mp4 ffmpeg