phonon-gstreamer and alsasrc

Trever Fischer tdfischer at fedoraproject.org
Sun Jun 5 01:17:33 CEST 2011


On Saturday, June 04, 2011 06:33:10 PM david.lanzendoerfer at o2s.ch wrote:
> > It seems to me that your patch doesn't link the datasource with the
> > decodebin,
> > but that line is commented out. Any particular reason?
> 
> Yes. Because the whole application didn't even come to open the window.
> The whole audio system hang instead of decoding the binary stream.
Interesting. Think you could dump a graph image of the pipeline:

$ export PHONON_GST_DEBUG=5
$ export GST_DEBUG_DUMP_DOT_DIR=/tmp
$ <run your program>
$ dot -Tpng -oimage.png <some relevant .dot file in /tmp>

> 
> > Also, how did you test the patch? I know that we currently don't have a
> > very good audio capture demo in our sources, so we've been looking to
> > find someone to help contribute one.
> 
> I wrote a small application called PhononTV which extracts audio and video
> from my bt878 tuner and card and plays them by using "Phonon::MediaObject"s
> 
> > If you'd like, you can join us in #phonon on irc.freenode.net and we can
> > help you troubleshoot.
> 
> Ny nick is leviathan.
> Just query or highlight me :-)
> 
> -lev
> 
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