Frank Barchard 00950840d1 YUY2ToNV12 using YUY2ToY and YUY2ToNVUV
- Optimized YUY2ToNV12 that reduces it from 3 steps to 2 steps
  - Was SplitUV, memcpy Y, InterpolateUV
  - Now YUY2ToY, YUY2ToNVUV
- rollback LIBYUV_UNLIMITED_DATA

3840x2160 1000 iterations:

Pixel 2 Cortex A73
Was YUY2ToNV12_Opt (6515 ms)
Now YUY2ToNV12_Opt (3350 ms)

AB7 Mediatek P35 Cortex A53
Was YUY2ToNV12_Opt (6435 ms)
Now YUY2ToNV12_Opt (3301 ms)

Skylake AVX2 x64
Was YUY2ToNV12_Opt (1872 ms)
Now YUY2ToNV12_Opt (1657 ms)

SSE2 x64
Was YUY2ToNV12_Opt (2008 ms)
Now YUY2ToNV12_Opt (1691 ms)

Windows Skylake AVX2 32 bit x86
Was YUY2ToNV12_Opt (2161 ms)
Now YUY2ToNV12_Opt (1628 ms)

Bug: libyuv:943
Change-Id: I6c2ba2ae765413426baf770b837de114f808f6d0
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3929843
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2022-09-30 22:41:21 +00:00
..
libyuv YUY2ToNV12 using YUY2ToY and YUY2ToNVUV 2022-09-30 22:41:21 +00:00
libyuv.h NV12 Copy, include scale_uv.h 2020-12-08 18:54:16 +00:00