[Interest] Qt audio visualizer?

[Harri Pasanen]

http://labs.qt.nokia.com/2010/05/18/qtmultimedia-in-action-a-spectrum-analyser/

Does something along those lines.  I think it is the same thing that ended up in demo:

http://doc.qt.nokia.com/4.7-snapshot/demos-spectrum.html

Hope this helps,

Harri


On 07/03/2012 09:33 PM, Murphy, Sean M. wrote:
> I'm looking for an audio visualizer widget that I can plunk down inside my Qt app.  Ideally it would be just audio amplitude vs. time like the top plot in this image: http://media.rhizome.org/blog/8070/diagras.jpg.
>
> I need to do this on a Mac first and foremost, so I know I could probably find something in CoreAudio that might help, but I'd prefer to do it in something more portable.
>
> I found Audelicious, which is written in Qt, but it looks like that is geared for a Nokia N900, and specifically relies on the ALSA sound libraries.  It might be possible for me to twist that into what I need - not sure if ALSA will work on Mac?  But if there is something more ready-made for cross-platform Qt, I'd rather start there...
>
> Any ideas?
> Sean
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