[gst-plugins-base-0.10.32] playbin2 detects 'text/x-ssa' not 'application/x-ssa' or 'application/x-ass' when play ass subtitle

Sebastian Dröge sebastian.droege at collabora.co.uk
Tue Aug 23 23:05:51 PDT 2011

On Wed, 2011-08-24 at 13:22 +0800, bcxa sz wrote:
> Hi Developer,
> Just tried one avi file with .ass subtitle and found that there is no
> approprate subtitle element picked up by playbin2 because the type
> found is 'text/x-ssa'.
> And the caps of ssaparse is 'application/x-ssa' or
> 'application/x-ass'. So it seemed that the gstreamer had issue to
> playback .ass/.ssa subtitle.

this happens because there's no real typefinder for SSA subtitles and
the XDG typefinder uses the "official" mimetype for SSA subtitles.

Even if both caps would be the same this wouldn't work though, we
currently don't support SSA/ASS subtitles from external files. See
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