[FFmpeg-devel] FFV1: conspicious filesize oddities

Michael Niedermayer michaelni at gmx.at
Tue Oct 29 23:45:00 CET 2013


On Tue, Oct 29, 2013 at 07:52:45PM +0100, Peter B. wrote:
> Hello,
> 
> While creating FATE tests for FFV1, I've realized a peculiar filesize
> difference when encoding a certain video in yuv444p.
> 
> "ls" output shows:
> ----------------------
> 1162564 Oct 29 19:35 yuv444p10.avi
> 265940 Oct 29 19:35 yuv444p16.avi
> 881960 Oct 29 19:35 yuv444p9.avi
> 265746 Oct 29 19:41 yuv444p.avi
> ----------------------

the first question that comes to mind, is the source material actual
16bit or is it upconverted from 8bit ?

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

Opposition brings concord. Out of discord comes the fairest harmony.
-- Heraclitus
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