[Ffmpeg-devel] How to limit the ME search region?

Michael Niedermayer michaelni
Thu Apr 14 11:13:56 CEST 2005


On Thursday 14 April 2005 02:40, QuickTime wrote:
> Dear All:
> I use the latest "ffmpeg.exe" to convert some clips to avis by
> following commands:
> ffmpeg -i a.avi -b 600 -s 320x240 b.avi
> The b.avi is perfect on PC,But on my mpeg4 player(a hardware player
> based on DSP) will produce some mosaics when the picture occurs big
> changes.
> I do some search about the specs of the mpeg4 player,and find that the
> player supports only the MV range under [48,32]!
> So,my question is: how to limit the ME search region to [48,32]?
> Please forgive me for my poor English!

ffmpeg | grep 'limit motion vector'
-me_range range     limit motion vectors range (1023 for DivX player)


"nothing is evil in the beginning. Even Sauron was not so." -- Elrond

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