synchronize to elements ?

Glenn Pierce glennpierce at
Mon Nov 21 09:00:44 PST 2011

Solved it. It was working as expected. Not a gstreamer issue.

On 17 November 2011 10:53, Glenn Pierce <glennpierce at> wrote:

> Hi I have a pipeline that decodes an ogg file and passes it through the
> vader element from pocketsphinx
> to detect silent regions. I attach to a signal in the vader element to
> print the current timestamp to log
>  these silent regions. I also play to the pulse audio sink.
> The pipeline is
> filesrc name=source ! oggdemux ! vorbisdec ! audioconvert ! audioresample
> ! vader name=vad auto-threshold=true ! pulsesink
> The problem is its hard to debug as the vader element runs ahead of the
> off playing.
> Is there a way to synchronize the vader and pulsesink elements so I can
> print  the timestamp of the silent regions
> at the same time I hear them being played ?
> Thanks
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