[XviD-devel] dark blocks in b-frames
Christoph Lampert
chl at math.uni-bonn.de
Thu Feb 13 15:13:05 CET 2003
On Fri, 14 Feb 2003, Radek Czyz wrote:
> I just created a clip where it's really visible. It took some
> experiments but here it is.
> http://noa.sm.pl/~syskin/makurukurushike.avi
>
> I don't really understand why I suceeded so much about the blocks in
> this particular clip. Code has not been changed, even BITS have not
> been used. Just qpel + bframes. Still, this is the first clip which I
> can show as a definite proof.
>
> Now, I'll buy a pack of beer for a person who will tell me what
> macroblock mode is used in the macroblocks with dark blocks.
> ^ we have to meet first for the beer.
Decoding with ffmpeg in macroblock-debug mode (change PRINT_MB_TYPE(a)
in h263.c) should be helpful here :-)
gruel
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