[x264-devel] Re: multislice-encoding gone?

[Loren Merritt]

On Tue, 19 Dec 2006, Michael Roitzsch wrote:

>>> do I read in commit r607 correctly that x264 can no longer encode with 
>>> multiple slices per frame? If so, I think this is a loss, because multiple 
>>> slices are a nice feature for parallel decoders.
>> 
>> Multiple slices are gone.
>> Which decoders use slices for parallelism? The parallel decoders I know are 
>> CoreAVC and Nero, which don't depend on slices.
>
> Interesting. Do you happen to know what coding feature they use for 
> parallelism? Parallel decoding of multiple frames?

Dunno what CoreAVC does, beyond not needing slices.
Nero separates cabac, mc+dct, and deblocking (which limits it to 3 
threads, unless it's combined with another method).
If I ever add threading to libavcodec's h264, it will use the same method 
as x264: multiple frames in parallel.

--Loren Merritt

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