[FFmpeg-devel] Parallelizing MPEG encoding with MPI

Måns Rullgård mans
Sun Dec 7 05:08:43 CET 2008

"Jason Garrett-Glaser" <darkshikari at gmail.com> writes:

> On Sat, Dec 6, 2008 at 12:20 PM, Andreas Simbuerger <simi at osaft.eu> wrote:
>> Greetings everybody!
>> I'm currently working on a programming exercise for my diploma at the
>> University of Passau. We try to enhance MPEG encoding by introducing
>> parallelism on GOP encoding with the MPI libraries.
> Isn't MPI rather unnecessary for video encoding parallelism?  It is
> rather easy to develop a model (see
> http://akuvian.org/src/x264/sliceless_threads.txt) which does not
> require communication between threads except to signal the maximum
> motion vector search range, which can be done using an atomic write to
> a struct variable.

MPI works on networks of machines with no shared memory.

M?ns Rullg?rd
mans at mansr.com

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