Anyone knows how to retrieve embedded subtitle language?

yinxb yinxb at
Thu Aug 4 02:10:05 PDT 2011

have a look ISO639,a snapshot is 

        {"zh",  "Chinese"},
        {"en",  "English"},
        {"ja",   "Japanese"},
        {"fr",   "French"},
        {"de",  "German"},
        {"ko",  "Korean"},
        {"ga",  "Irish"},
        {"it",   "Italian"},
        {"mn", "Mongolian"},
        {"es",  "Spanish"},
        {"pt",  "Portuguese"},
        {"ru",  "Russian"},
        {"sa",  "Sanskrit"},
        {"und", "Undetermined"},

在 2011-08-04四的 02:04 -0700,g-newbie写道:
> Hi, thanks. I think i missed out that part. After having the pipeline
> prerolled, is able to get tag for subtitle already. But it returns "und" for
> the GST_TAG_LANGUAGE_CODE, while my subtitle is in chinese language. Is this
> correct?
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