[Bug 662199] [capsfilter] behavior has changed

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=662199
  GStreamer | gstreamer (core) | git

--- Comment #34 from Julien Isorce <julien.isorce at gmail.com> 2011-12-07 16:14:08 UTC ---
(In reply to comment #33)
> What should this pipeline do?
> 

Sure this is not a usefull pipeline (except to reproduce the problem). The
usfull usecase is the following (but no command line):

My audio source is retrieving audio from TV. The pipeline starts, we are on a
TV channel where audio is stereo then we zap and audio is 5.1 then zap and
audio is back to stereo etc...
So the audio buffer that come from my audio source are sometimes channels=2 and
sometimes channels=6, for a same run.
And I am recording the whole audio into an asf or something else.
We are doing a lot of other stuffs but I do not mention them to be simple as
possible.

> 
> Anyway, this looks like a bug in the code that was already there before.
> ::fixate_caps() must be called with fixed caps for the first caps parameter
> while it isn't and usually the allowed caps of the srcpad will not be fixed.
> This code looks wrong on multiple levels

Which code exactly ?

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