[FFmpeg-devel] [PATCH] jpeg2000dec; optimize output sample convert a bit

Michael Niedermayer michaelni at gmx.at
Mon Jun 3 13:06:26 CEST 2013

On Mon, Jun 03, 2013 at 10:40:03AM +0200, Nicolas BERTRAND wrote:

applied, thanks

> In your opinion, what is the reason of this code optimization/
> Avoiding If statements in a for loop ?

yes, reducing the amount of computations in the inner loop.

Alot more speed can probably be gained by writing this in SIMD asm


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell
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