[x264-devel] motion estimation and mode decisions hints

[Loren Merritt]

On Fri, 7 Dec 2007, Anne Aaron wrote:

> I'm starting to work on the x264 code and would like to find ways to 
> reduce the ME/mode decision computation using external hints.
>
> For example, if I have previous knowledge of the approximate motion of 
> a specific region,  I would like to use a much smaller search range 
> around that region, instead of initializing it at (0,0).
> Is this possible with the current x264 motion estimation architecture? 
> Has anyone implemented this before?

x264 doesn't start the search at (0,0), it starts at the best of about 10 
different predictions. You could add an external input to that list.

--Loren Merritt