[gstreamer-bugs] [Bug 612312] typefind: Post AAC profile in caps

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=612312
  GStreamer | gst-plugins-base | git

--- Comment #10 from Arun Raghavan <ford_prefect at gentoo.org> 2010-03-20 08:08:54 UTC ---
(In reply to comment #9)
> (In reply to comment #7)
> > The expected behaviour for an AAC-only decoder is that it should not play a
> > stream which explicitly signals HE-AAC, but for an implicitly signaled HE-AAC
> > stream, it should play only the AAC bits.
> 
> Why is this the expected behavior?  I would expect the behavior for an AAC-only
> decoder to always play the base layer.

This is the behaviour specified in the ISO 14496-3. I presume the intention is
to allow content creators to say "this would sound really crappy if played on
an AAC-only decoder, so don't".

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