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chromium / libyuv / libyuv / / ffec313dbe58c6b97d4943387bda618dccbe4591
commitffec313dbe58c6b97d4943387bda618dccbe4591[log] [tgz]
authorFrank Barchard <fbarchard@google.com>Mon Jan 29 22:27:07 2018
committerFrank Barchard <fbarchard@chromium.org>Mon Jan 29 22:31:31 2018
tree2ae8234ebbf95b1e3cff08b2faacf724ec4190f1
parentff8ab9baf11c1b579f8a4bfe22779444ca273449 [diff]
ABGRToAR30 used AVX2 with reversed shuffler

vpshufb is used to reverse R and B channels;
Code is otherwise the same as ARGBToAR30.

Bug: libyuv:751
Test: ABGRToAR30 unittest
Change-Id: I30e02925f5c729e4496c5963ba4ba4af16633b3b
Reviewed-on: https://chromium-review.googlesource.com/891807
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: richard winterton <rrwinterton@gmail.com>
7 files changed
tree: 2ae8234ebbf95b1e3cff08b2faacf724ec4190f1
  1. build_overrides/
  2. docs/
  3. include/
  4. infra/
  5. source/
  6. tools_libyuv/
  7. unit_test/
  8. util/
  9. .clang-format
  10. .gitignore
  11. .gn
  12. .vpython
  13. all.gyp
  14. Android.bp
  15. Android.mk
  16. AUTHORS
  17. BUILD.gn
  18. cleanup_links.py
  19. CM_linux_packages.cmake
  20. CMakeLists.txt
  21. codereview.settings
  22. DEPS
  23. download_vs_toolchain.py
  24. gyp_libyuv
  25. gyp_libyuv.py
  26. libyuv.gni
  27. libyuv.gyp
  28. libyuv.gypi
  29. libyuv_nacl.gyp
  30. libyuv_test.gyp
  31. LICENSE
  32. LICENSE_THIRD_PARTY
  33. linux.mk
  34. OWNERS
  35. PATENTS
  36. PRESUBMIT.py
  37. public.mk
  38. pylintrc
  39. README.chromium
  40. README.md
  41. winarm.mk
README.md

libyuv is an open source project that includes YUV scaling and conversion functionality.

  • Scale YUV to prepare content for compression, with point, bilinear or box filter.
  • Convert to YUV from webcam formats for compression.
  • Convert to RGB formats for rendering/effects.
  • Rotate by 90/180/270 degrees to adjust for mobile devices in portrait mode.
  • Optimized for SSSE3/AVX2 on x86/x64.
  • Optimized for Neon on Arm.
  • Optimized for MSA on Mips.

Development

See [Getting started] 1 for instructions on how to get started developing.

You can also browse the [docs directory] 2 for more documentation.