[Ffmpeg-devel] Bug in snow revision 1.50 - broken lossless mode

Yartrebo yartrebo
Thu Apr 14 03:18:39 CEST 2005

> did u check that the resulting files really are lossless (same md5 if both 
> original and snow get decoded to raw yuv)?
> did you try with non-anime/cartoon content?
> and maybe try to disable (i)dwt only for inter frames 
> [...]
The patch passes the checksum test (I used ffv1 and snow, not raw and
snow ... saved an extra transcode step).

I've tried it against non-animated content and it appears that it makes
the difference. Instead of being 5-10% better, it is 5-10% worse.

Oh well, was worth a shot.


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