[FFmpeg-devel] fate & zlib 1.2.6

Reimar Döffinger Reimar.Doeffinger at gmx.de
Fri Feb 3 20:20:29 CET 2012

On Fri, Feb 03, 2012 at 08:13:24PM +0100, Clément Bœsch wrote:
> Upgrading from zlib 1.2.5 to 1.2.6 breaks fate-vsynth1-flashsv2. I tried
> to reduce compression level to 6 like it was done recently with the zmbv
> test, but it didn't help (still a mismatch between the two versions).

What exactly changes? zmbv disables checksum, too, so this might be an
Another option would be to include our own "no compression" zlib encoder
that will be used with +bitexact (maybe a bit extreme since it risks
really bad surprises for users using that flag).

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