[gst-devel] Forcing synchronisation in a specific part of a pipeline

[SP GLE]

Won't work...

> > We tried by adding an identity with sync=true but tis
> one requires 
> > segments with GST_FORMAT_TIME and not BYTES as
> provided by filesrc.


--- En date de : Mer 18.2.09, Edward Hervey <bilboed at gmail.com> a écrit :

> De: Edward Hervey <bilboed at gmail.com>
> Objet: Re: [gst-devel] Forcing synchronisation in a specific part of a pipeline
> À: spglegle at yahoo.fr, "Discussion of the development of GStreamer" <gstreamer-devel at lists.sourceforge.net>
> Date: Mercredi 18 Février 2009, 9h43
> On Wed, 2009-02-18 at 08:29 +0000, SP GLE wrote:
> > Hello,
> > 
> > Using the following pipeline :
> >
> [filesrc]---->[rtppcmapay]---->[rtpdtmfmux]-----...--->[fakesink
> sync=true]
> >                                  /\
> > [rtpdtmfsrc]----------------------
> > 
> > When playing a DTMF the rtpdtmfmux locks the stream
> and unref all 
> > buffers from the filesrc, but without syncing on the
> clock, so file 
> > reading looses sync and all buffers are played as fast
> as possible.
> > 
> > How can we sync the filesrc part before injecting in
> rtpdtmfmux ?
> > 
> > We tried by adding an identity with sync=true but tis
> one requires 
> > segments with GST_FORMAT_TIME and not BYTES as
> provided by filesrc.
> > 
> > The probleme can be reflected by this cmd :
> > A/ Working Pipeline
> > gst-launch filesrc location=toto.alaw !
> "audio/x-alaw,rate=8000,channels=1" ! identity
> datarate=8000 ! rtppcmapay ! fakesink sync=true
> > 
> > B/ How to make previous cli works if disabling
> sync=true on fakesink.
> > 
> > 
> > Any idea is welcome :).
> 
>   Use the sync property of identity :)
> 
> > 
> > Regards.
> > 
> > 
> >       
> > 
> >
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