Sample HLS output group with audio rendition group event manifest

Video information for an HLS output group with audio rendition group event

• There are two video streams, as indicated by the presence of two EXT-STREAM-INF lines.

  • The first video stream has a low bandwidth. As indicated by the AUDIO parameter, it is associated with “audio1.”

  • The second video stream has a higher bandwidth. As indicated by the AUDIO parameter, it is associated with “audio2.”

Audio information for an HLS output group with audio rendition group event

• There are four audio streams as indicated by the presence of four EXT-X-MEDIA lines with TYPE=AUDIO.

• There are two audio rendition groups, as indicated by the values for the GROUP-ID in each line. The first two lines belong to audio1, the second two to audio2.

• In each audio stream, the values for the various parameters come from these fields in the web interface:

  • TYPE: Always Audio.

  • GROUP-ID: from Audio Group ID field in Output > Advanced.

  • LANGUAGE: from the Language Code field in Stream > Advanced.

  • NAME: from the Stream Name field in Stream > Advanced.

  • AUTOSELECT: from the Audio Track Type in Output > Advanced.

  • DEFAULT: from the Alternate Audio Track Selection field in Output > Advanced.

  • URI: from the combined Destination field (in Output Group) and Name Modifier field (in Stream).

Captions information for an HLS output group with audio rendition group event

• There are two captions streams, as indicated by the presence of two EXT-X-MEDIA lines with TYPE=SUBTITLES.

#EXTM3U
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio1",LANGUAGE="eng",NAME="English",AUTOSELECT=YES, \
DEFAULT=YES,URI="eng1/prog_index.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio1",LANGUAGE="fre",NAME="français",AUTOSELECT=YES, \
DEFAULT=NO,URI="fr1/prog_index.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio2",LANGUAGE="eng",NAME="English",AUTOSELECT=YES, \
DEFAULT=YES,URI="eng2/prog_index.m3u8"
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio2",LANGUAGE="fr",NAME="français",AUTOSELECT=YES, \
DEFAULT=NO,URI="fr2/prog_index.m3u8"

#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",LANGUAGE="eng",NAME="English",
DEFAULT=YES,AUTOSELECT=YES,FORCED=NO,URI="1c1.m3u8"
#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID="subs",LANGUAGE="fra",NAME="French",
DEFAULT=YES,AUTOSELECT=YES,FORCED=NO,URI="1c2.m3u8"

#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=195023,CODECS="avc1.42e00a,mp4a.40.2",AUDIO="audio1"
lo/prog_index.m3u8,SUBTITLES="subs",URI="1c2.m3u8"  
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=591680,CODECS="avc1.42e01e,mp4a.40.2",AUDIO="audio2"
hi/prog_index.m3u8,URI="1c2.m3u8"