On Tue, 16 Dec 2003, Andrew Stevens wrote:
> Hi all,
>
> First off a bit of background to the multi-threading in the current stable
> branch. First off:
>
> - Parallelism is primarily frame-by-frame. This means that the final phases
> of the encoding lock on completion of the reference frame (prediction and DCT
If one were using closed and fixed length GOPs would it make
sense to parallelize the encoding of complete GOPs? Each cpu
could be dispatched a set of N frames that comprise a closed GOP and
a master thread could write the GOPs out in the correct order.
But as Andrew mentioned - but the time filters and other processing
is added in a dual cpu system's pretty well saturated. Quad cpu
systems are very much a niche (and expensive) item (not to mention
the noise they make;))
Cheers,
Steven Schultz
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