[FFmpeg-devel] FFV1: conspicious filesize oddities

Michael Niedermayer michaelni at gmx.at
Wed Oct 30 17:21:27 CET 2013


On Wed, Oct 30, 2013 at 05:10:08PM +0100, Peter B. wrote:
> On 10/29/2013 11:45 PM, Michael Niedermayer wrote:
> > the first question that comes to mind, is the source material actual
> > 16bit or is it upconverted from 8bit ?
> 
> Yes, the original Source is PNG (RGB24), so the yuv444p16 was
> upconverted from 8bit.

that makes the results meaningless, you arent compressing 16,9,10
and 8bit data to begin with but rather just pseudo random permutations
of 8bit

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire
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