[FFmpeg-devel] [PATCH] lavfi test for 1-1 filters pixel format output

Stefano Sabatini stefano.sabatini-lala
Fri Jul 30 19:39:36 CEST 2010


On date Wednesday 2010-07-28 22:38:59 +0200, Stefano Sabatini encoded:
[...]
> Updated patch with the result of the BE tests, note that this needs to
> be validated, also I'm quite sure there are some scaling errors for
> argb/bgra/rgba/abgr/yuva420p as the result differs on BE/LE (see the
> diff between the BE and LE tests).

After more inspection it looks like some bugs in the
yuva420p/ARGB/BGRA/... scalers, which only occurr in BE.

In the case of yuva420p it doesn't affect visual aspect, as it seems
only related to the alpha plane (which is set to 0 rather than to
255).

> I visually validated the output files on LE (they are 139 files), the
> same should be done on BE, help is very welcome. What I just did is:
> for f in (ls tests/ref/lavfi/pixfmts*); do ffplay $f; done
> 
> Also I'm considering to just commit the LE test, as I'm not willing to
> fix all the libswscale bugs (especially for platforms which I never
> use/access).

Regards.
-- 
FFmpeg = Fundamental Foolish Minimal Powerful Elfic Guru



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