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

Stefano Sabatini stefasab at gmail.com
Sat Oct 29 15:55:02 CEST 2011

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.

That would also work as a nice POC for media transcoding.
FFmpeg = Foolish & Free Moronic Perennial Extravagant Gadget

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