[x264-devel] Re: Rate control and scene change detection

[Marco Al]

Felix Mellmann wrote:

> So maybe the team of VirtualDub may be a help to you, they have 
> included a scene change
> detection to force the encoder to produce keyframes. VirtualDub is 
> under GPL so that wouldn't lead into problems.
> If I would've more time I would try to help you more in that issue, 
> but I don't have this time temporarily.


It is not a good idea to try to use non ME based scenechange detection 
... not having to do ME for i-frames isnt going to speedup overall 
encoding speed significantly, the potential for harm by detecting 
scenechanges on high motion scenes is considerable though. Adapting 
methods from xvid or ffmpeg makes more sense (Im pretty sure both are ME 
based).

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