[x264-devel] Re: x264 documentation

[Loren Merritt]

On Mon, 20 Nov 2006, rupert.mish at comcast.net wrote:

> I'd like to know if x264 has an API that might allow custom 
> implementions of different parts of the encoder (for example a 
> different entropy encoder or prediction scheme).

API? No. You might be able to do so by modifying x264, but that was not a 
design goal. For example, the arithemetic coder backend is modular enough 
that you could replace it with a range coder or the like, but if you want 
to change the selection of contexts that's a lot more work. Motion 
prediction is pretty hard-coded.
Furthermore, as x264 is only an encoder, you'd have to modify some other 
h264 decoder to support whatever non-standard-compliant feature you add, 
which could be much duplication of work.

> I'd really appreciate if I could get any help with any existing 
> documentation or just a few pointers to where I might want to look.

--Loren Merritt

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