[Matroska-devel] Unknown-> English language tag conversion by Haali splitter

Steve Lhomme steve.lhomme at free.fr
Tue Apr 11 10:43:17 CEST 2006

Victor Mozgin wrote:
>    Hi,
> It seems that Haali splitter sets "English" language tags on streams that have 
> none. At least that's what I see for video streams and audio streams split 
> from AVI files. Can we make it customizable (with the possibility to 
> keep "Unknown")? My filter chain depends on it, i.e. if there is a stream of 
> unknown audio and a stream of English subtitles (common case of .avi + 
> external .srt), then it is assumed that audio is non-English, and subtitles 
> are enabled; with Haali audio stream comes as English, so there is no point in 
> enabling subtitles.
> Thanks,

In mastroska tracks, the default language is always "eng" for english. 
That's the case even if the language attribute is not set. If you want 
to set a track to unknown you have to use "und" (undetermined) for the 


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