[Bug 754664] Can't link tsdemux to aacparse and rtpmp4gpay

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Wed Sep 9 09:44:34 PDT 2015


https://bugzilla.gnome.org/show_bug.cgi?id=754664

--- Comment #6 from davywj at gmail.com ---
Thank you for that explanation.

Why does aacparse bother to convert the mpegversion caps when fakesink will
accept ANY?

Further more, the avdec_aac decoder accepts both mpegversion 2 and 4 and so it
will decode the output of aacparse. However, looking at the graph this creates,
aacparse is still converting caps from 2 to 4 even though avdec_aac accepts 2.

I would expect that if mpegversion=2 goes in to aacparse and it is unable to
convert then mpegversion=2 should come out of it. This unexpected change from 2
to 4 is what led me to believe rtpmp4gpay would work.

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