[vlc-devel] [PATCH 3/6] copy: remove need for cache memory in SSE routines

Jean-Baptiste Kempf jb at videolan.org
Sat Jun 14 15:33:00 CEST 2014

On 13 Jun, Jean-Yves Avenard wrote :
> SSE code used a 16-bytes aligned memory buffer to perform memory operations.
> Rewrite code to directory work on source and destination frame, regardless of memory alignment.
> This speeds up NV12->YV12 conversion by over 100% by halving the number of memory writes and reads.

So, you remove the CopyFromUswc part, right?

Is that not too slow when using DxVA?

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

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