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Feature #4531

HLS input - add support for EXT-X-DISCONTINUITY tag (reinit SCR)

Added by John Doe over 7 years ago. Updated almost 6 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
2017-08-16
Due date:
% Done:

0%

Estimated time:

Description

when tvh working with HLS contents and m3u8 has #EXT-X-DISCONTINUITY tag
tvh got "iptv: m3u contents parsing failed" error

Files

m3u8.png (50.3 KB) m3u8.png John Doe, 2017-08-16 03:01

History

#1

Updated by Jaroslav Kysela over 7 years ago

Show the whole m3u contents.

#2

Updated by John Doe over 7 years ago

I just checked again what happened.

http://blabla/manifest.m3u8?blabla

#EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=2628000
QualityLevels(2628000,as=video)/Fragments(video=i,format=hls).m3u8

http://blabla/QualityLevels(2628000,as=video)/Fragments(video=i,format=hls).m3u8

#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:6
#EXT-X-MEDIA-SEQUENCE:2265165

#EXTINF:5.472133,title
Fragments(video=15028949089894986,format=hls)
#EXTINF:5.372033,title
Fragments(video=15028949144616319,format=hls)
#EXTINF:4.337667,title
Fragments(video=15028949198336653,format=hls)
#EXTINF:5.605600,title
Fragments(video=15028949241713319,format=hls)
#EXTINF:5.005000,title
Fragments(video=15028949297769319,format=hls)
...

tvh works very well if there isn't #EXT-X-DISCONTINUITY tag.
tvh loads each track url after m3u duration one by one.

But there is #EXT-X-DISCONTINUITY tag like this

#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:6
#EXT-X-MEDIA-SEQUENCE:2265218

#EXTINF:4.904900,title
Fragments(video=15028951740876653,format=hls)
...
#EXTINF:2.002000,title
Fragments(video=15028952040509319,format=hls)
#EXT-X-DISCONTINUITY <--- tvh ignores m3u duration after this line
#EXTINF:5.605600,title
Fragments(video=15028952084529319,format=hls)
#EXTINF:5.205200,title
Fragments(video=15028952140585319,format=hls)
#EXTINF:4.204200,title
Fragments(video=15028952192637319,format=hls)

tvh starts to ignore m3u duration since met #EXT-X-DISCONTINUITY.
So, tvh loads every track urls asap and then refetch m3u8.
If m3u8 has new next track, tvh loads every tracks asap and again and again...
Finally, new track isn't ready yet and tvh got "iptv: m3u contents parsing failed" error

#3

Updated by Jaroslav Kysela over 7 years ago

  • Tracker changed from Bug to Feature
  • Subject changed from m3u contents parsing failed when meet EXT-X-DISCONTINUITY tag to HLS input - add support for EXT-X-DISCONTINUITY tag (reinit SCR)
#4

Updated by easy easy almost 6 years ago

Any news about this prblem?

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