[XviD-devel] XviD-1.1-Beta 1 bugs summary

[Dirk Knop]

Aloha!

Michael Militzer wrote:

>Hi,
>
>Quoting Dirk Knop <dknop at stud.uni-goettingen.de>:
>
>  
>
>>- GMC has a bug. With very much motion, some blocks get totally 
>>displaced. The issue is the same no matter if decoded with libavcodec or 
>>xvid.
>>    
>>
>
>Do you have a sample demonstrating this effect? Either the coded (wrong)
>bitstream or a source file + settings to reproduce the problem?
>  
>

Someone reporting this bug at doom9 posted an archive here: 
http://s2.yousendit.com/d.aspx?id=1IRU00JPFMEFR26USGL9OUJOF1

Don't know if it's still online, but it contains the source, the avs 
script and some broken encodes ;)

>>- Some issue with cartoon mode and bvhq (well, cruncher may report it 
>>better :) ): some white blocks sometimes floating around within high motion.
>>    
>>
>
>Is this really _only_ happening with bvhq? Iirc, the cartoon mode doesn't add
>any special optimizations for b-frames - in fact, it wasn't even meant for
>using it with b-frames (at least I didn't test it much). Do you have a sample
>clip for this problem? I suspect that probably some MBs are skipped in 
>b-frames, which shouldn't have been skipped - but you know, cartoon mode
>rather aggressively forces the use of skip mode...
>  
>
This is a cruncher-report, he says he can always reproduce it. Will ask 
him to report more on it.

Regards
Koepi