ffmpeg HLS Multiple audio tracks renditions m3u8

Dear Apple Community,


How can I convert an mp4 video file having inside 3 audio tracks (english, german and french) to an HLS playlist having :


* one videofile.m3u8 and its corresponding segmentsfile.ts

* one audiofile-english.m3u8 and its corresponding segmentsfile.aac

* one audiofile-german.m3u8 and its corresponding segmentsfile.aac

* one audiofile-french.m3u8 and its corresponding segmentsfile.aac

* one masterfile.m3u8 like that :


#EXTM3U


#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="medium",NAME="#1 Fre",DEFAULT=YES,AUTOSELECT=YES,LANGUAGE="fre",URI="medium/planete_interdite_500_h264_240p_audio1_fre.m3u8"


#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="medium",NAME="#2 Eng",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="eng",URI="medium/planete_interdite_500_h264_240p_audio2_eng.m3u8"


#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="medium",NAME="#3 De",DEFAULT=NO,AUTOSELECT=YES,LANGUAGE="de",URI="medium/planete_interdite_500_h264_240p_audio3_de.m3u8"


#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=3274000, CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=854x480,AUDIO="medium"

medium/planete_interdite_2080_q264_480p.m3u8


Thanks for your help,


Sylvain