[FFmpeg-devel] [RFC][PATCH] ffplay: introduce audio visualizations.

Clément Bœsch ubitux at gmail.com
Sun Nov 6 00:53:44 CET 2011

On Sat, Oct 29, 2011 at 03:55:02PM +0200, Stefano Sabatini wrote:
> On date Saturday 2011-10-29 12:48:56 +0200, Clément Bœsch encoded:
> > ---
> > Here is just a simple PoC for audio visualizations in ffplay. The current
> > engine keep the linear display (cyclic vertical lines from left to right) and
> > add a "default" profile to keep the current display output.
> > 
> > I wonder if that won't be too heavy to deal with if it is extended to the whole
> > x/y window; I might reach a performance limitation by doing so. I guess shaders
> > might be a workaround for this, but I think it's overkill and inappropriate in
> > ffplay.
> > 
> > Anyway, any feedback on that is welcome if you want me to continue this.
> I believe this should be implemented like an A->V filter (same for the
> wave/RDFT visualization) rather than in ffplay.c.

I guess we don't have anything similar ATM? In that case, could you be
more precise on what you expect me to do, and where/how you would see it


Clément B.
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