[Ffmpeg-devel] crash with H.264 MBAFF of height 676 or more

stream47 takuma
Tue Mar 6 17:59:37 CET 2007


On Tue, 6 Mar 2007 09:07:38 -0700 (MST)
Loren Merritt <lorenm at u.washington.edu> wrote:

> Many parts of libavcodec assume that allocated frame height = 
> visible frame height rounded up to a multiple of 16. But H.264 MBAFF 
> needs to have an allocated height divisible by 32.

Thanks.
I too, found "height 676 or more" was misunderstanding.
It can't decode height 112 and 144 properly, and it can decode 704.
"H.264 MBAFF height not divisible by 32" crashes libavcodec.




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