[gst-devel] Audio stream measurements

[Tristan Matthews]

2010/6/2 Jeffrey Barish <jeff_barish at earthlink.net>

> I would like to measure the power and other characteristics of an audio
> stream. Ideally, the measurement would take place while listening to the
> stream.  I suppose that the measured value would be written into a file,
> though I wonder about the possibility of writing it into the metadata of
> the
> audio source.  Is it feasible to implement this functionality as a
> GStreamer
> element?  Is there already an element that performs a function even
> remotely
> similar to this that I can use as a model?
>

You'd want the level element:
http://www.gstreamer.net/data/doc/gstreamer/head/gst-plugins-good-plugins/html/gst-plugins-good-plugins-level.html
There's an example program in gst-plugins-good/tests/examples/level

Best,
Tristan

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> Jeffrey Barish
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-- 
Tristan Matthews
email: tristan at sat.qc.ca
web: http://tristanswork.blogspot.com
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