[x264-devel] Accelerate motion estimation with nVidia's CUDA

[Jason Garrett-Glaser]

On Sat, Dec 6, 2008 at 10:44 AM, Roger Dahl <rdmisc at dahlsys.com> wrote:
> Hello everyone,
>
> This is my first post. I signed up to the mailing list because I want to
> have a go at accelerating x264's motion estimation system using nVidia's
> CUDA GPU development platform.
>
> I have a couple of smaller CUDA/PTX projects behind me and would like to
> tackle a bigger project. I think ME would be a perfect fit. I'm
> fascinated by the process of "massive parallelizing", that is,
> transforming a problem to run on thousands of threads using an
> architecture such as CUDA that is based on light weight threads and
> program managed L1 cache.
>
> Depending on how successful the ME part is, I would then like to go on
> to tackle the other parts of the x264 encoder that would benefit from
> massive parallelization. My guess is that most or all of the parts of
> x264 that have x86 assembly versions are good candidates. Eventually I
> would like to end up with functionality equivalent to the Badaboom GPU
> encoder, hopefully beating it on speed and quality in the process.
>
> However, though I have been reading about H.264 ME lately, it would
> greatly speed up the development process if I could find someone that is
> very familiar with x264's ME implementation, has an interest in massive
> parallelization and that has the patience to answer lots of silly
> questions over instant messaging. Any takers?

Hop on #x264dev on Freenode IRC.

Answering silly questions in the interest of furthering development is
my forte ;)

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