[x264-devel] Max number of motion vectors

BugMaster BugMaster at narod.ru
Thu May 12 19:25:35 CEST 2016


On Thu, 12 May 2016 16:22:03 +0000, Li, Stephen wrote:
>
> Hi,
>
> I am getting an error from my H264 analyzer. Its saying:
>  
> The maximum number of motion vectors per two consecutive
> macroblocks (at this level) is 16. The macroblock starting at
> position 0x3a5, bit 3 contains 9 motions vectors, while the previous macroblock contained 8.
>
> Has anyone seen this issue before? I am wondering what parameters
> would affect the number of motion vectors used. Any help is appreciated.
>
> Thanks
>  
> Steve
>  

Hi. As I would guess you are using "--partitions all" (or preset with
it). Try to specify "--partitions p8x8,b8x8,i8x8,i4x4" i.e. without
p4x4.



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