Hello,
I have found myself in a bit of a struggle with GStreamer's decodebin2.
Basically, I need to detect if a file I gave to decodebin2 have
following properties:
a) whether it is a multimedia format or not
b) more specifically, if it contains video streams
Latter case I solved quite simply - just checked caps of newly added pad
by decodebin2.
But first case seems to be rather problematic. Originally, I've put my
hopes into "unknown-type" signal, but after a quick check in
documentation, it doesn't really do what I hoped for.
When I give to decodebin2 a media format which is for sure unknown for
GStreamer (like a c-file for instance :-)), the pipeline sends me an
error on the bus. The error code is "1".
Is the meaning of error code "1" directly "unknown media format"? Is
there a list of error codes somewhere available? Or, can you point me
where are the error codes defined in the source code?
Thank you very much,
Matej.
--
www.matejk.com
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