[Icecast] Webm files written without duration in header

Sytze Visser sytze.visser at gmail.com
Wed May 1 09:58:11 UTC 2019

Dear all

I am streaming live with webm with ffmpeg to icecast 2.4.2. After the
stream ends, I am unable to determine the duration of the file using
ffprobe or mediainfo. Not sure but it seems that this has to do with

Should icecast be writing the duration into the header or should this
somehow be passed from ffmpeg?

The requirement is really to determine the duration of the streamed event
(i.e. not radio).

Would appreciate some advice here.
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