[FFmpeg-trac] #8104(avformat:new): unknown streams causes 5s start delay

FFmpeg trac at avcodec.org
Sat Dec 28 19:52:14 EET 2019

#8104: unknown streams causes 5s start delay
             Reporter:  storchi      |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mpegts       |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |

Comment (by storchi):

 hello friends,
 i think there are thousends of users effected. google for "kodi iptv start
 i am pretty shure kodi uses ffmpeg code. i see exactly the same stream
 start delays in several iptv plugins of kodi.
 current work arround for me is to use analize_duration, which means a safe
 value is far to long - 3s.
 testing with the local stream.dump is very fast, because you dont have to
 wait for the packets of the stream.
 vlc standard behavior is different. i think they dont want to decode every
 unknown stream inside the ts.
 how can i help?

Ticket URL: <https://trac.ffmpeg.org/ticket/8104#comment:3>
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