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

[Jean-Baptiste Kempf]

On 30 Sep, Rémi Denis-Courmont wrote :
> > +VIDEO_FILTER_WRAPPER (NV12_I420)
> 
> 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>

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Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
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