[FFmpeg-devel] [PATCH]Test png encoder

Diego Biurrun diego
Sun Mar 22 15:29:32 CET 2009


On Sun, Mar 22, 2009 at 02:16:02PM +0000, M?ns Rullg?rd wrote:
> Diego Biurrun <diego at biurrun.de> writes:
> 
> > On Sun, Mar 22, 2009 at 11:11:51AM +0000, M?ns Rullg?rd wrote:
> >> Michael Niedermayer <michaelni at gmx.at> writes:
> >> 
> >> > On Sun, Mar 22, 2009 at 12:25:04AM +0100, Carl Eugen Hoyos wrote:
> >> >>
> >> >> Attached patch adds a regression test for the png encoder.
> >> >>
> >> >> Please comment, Carl Eugen
> >> >
> >> > png uses zlib, zlib is not guranteed to produce the same compressed ouput
> >> 
> >> The same holds for flashsv.  Maybe we should implement our own zlib
> >> encoder.  It would surely be faster...
> >
> > Well, maybe you could finish your zlib decoder, an encoder would be the
> > logical next step then.
> 
> I got bored.

So is the prospect of writing an encoder going to motivate you further?
It's a shame that the zlib decoder is half-finished.  IIRC it was
already faster than zlib and would remove another dependency from
FFmpeg...

Diego



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