[vlc-devel] [PATCH] arm_neon: Add an optimized routine for NV12/21 to I420

Jean-Baptiste Kempf jb at videolan.org
Mon Sep 30 16:48:51 CEST 2013

On 30 Sep, Rémi Denis-Courmont wrote :
> Regarding the luminance plane, in my exprience, memcpy() optimizations beat 
> the crap out of a simplistic NEON load/store loop. memcpy() would basically 
> halve the complexity of the assembler code and improve data locality.

Why do we even need to copy the luminance plane? Can't we just swap the
pointers? </curious>

Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
Sent from my Electronic Device

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