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2,203 Commits 3 Branches 0 Tags BSD-3-Clause 60 MiB
C++ 95.5%
C 2.2%
Python 1.6%
CMake 0.3%
Starlark 0.2%
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Frank Barchard a4ec5cf9c2 UVScale down use AVX2 and Neon for aarch32 
Intel SkylakeX
Was SSSE3 UVScaleDownBy4_Box (2496 ms)
Now AVX2  UVScaleDownBy4_Box (1983 ms)

Was SSSE3 UVScaleDownBy2_Box (380 ms)
Now AVX2  UVScaleDownBy2_Box (360 ms)

Pixel 4 aarch32
Was UVScaleDownBy4_Box (4295 ms)
Now UVScaleDownBy4_Box (3307 ms)

Was UVScaleDownBy2_Box (1022 ms)
Now UVScaleDownBy2_Box (778 ms)

Bug: libuyv:838
Change-Id: Ic823fa15e5761c1b9a897da27341adbf1ed39883
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/2470196
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2020-10-14 06:23:26 +00:00
build_overrides Fix libyuv deps autoroll and roll chromium deps. 2020-09-15 06:21:24 +00:00
docs Remove M420 and refactor NV12ToI420 2020-05-26 18:48:00 +00:00
include UVScale down use AVX2 and Neon for aarch32 2020-10-14 06:23:26 +00:00
source UVScale down use AVX2 and Neon for aarch32 2020-10-14 06:23:26 +00:00
tools_libyuv Fix libyuv deps autoroll and roll chromium deps. 2020-09-15 06:21:24 +00:00
unit_test 2x down sample for UV planes ported to SSSE3 / NEON 2020-10-13 21:42:15 +00:00
util i444tonv12_eg example program 2020-04-28 16:35:49 +00:00
.clang-format clang-format libyuv 2016-11-07 17:37:23 -08:00
.gitignore Update to r1732 for more robust jpeg 2019-07-01 22:32:36 +00:00
.gn Allowing C++14 in libyuv. 2019-09-17 17:53:26 +00:00
.vpython Fix libyuv deps autoroll and roll chromium deps. 2020-09-15 06:21:24 +00:00
Android.bp NV12Scale function and ScaleUV for packed UV plane bilinear scaling 2020-09-29 23:49:05 +00:00
Android.mk NV12Scale function and ScaleUV for packed UV plane bilinear scaling 2020-09-29 23:49:05 +00:00
AUTHORS Revert "Allow negative height when ConvertToI420/ARGB is called with NV12/NV21" 2018-06-01 00:19:40 +00:00
BUILD.gn NV12Scale function and ScaleUV for packed UV plane bilinear scaling 2020-09-29 23:49:05 +00:00
cleanup_links.py Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
CM_linux_packages.cmake Add installer builds to cmake for linux 2017-01-26 23:05:17 +00:00
CMakeLists.txt Make the gflags library optional in the CMake build 2018-03-31 00:40:15 +00:00
codereview.settings Make Gerrit the default for libyuv code reviews 2017-01-24 18:34:48 +00:00
DEPS Roll chromium_revision ccec2ad009..4892423355 (811963:815587) 2020-10-09 14:37:29 +00:00
download_vs_toolchain.py Roll chromium_revision 260824:262938 + fix binutils. Since it's not possible to have platform-specific hooks executing, binutils must be downloaded for all platforms in order for the download.py hook to execute properly on non-unix platforms. 2014-04-11 23:40:41 +00:00
libyuv.gni libyuv:loongson optimize compare/row/scale/rotate files with mmi. 2018-07-20 22:53:04 +00:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
linux.mk NV12Scale function and ScaleUV for packed UV plane bilinear scaling 2020-09-29 23:49:05 +00:00
OWNERS Replace phoglund in libyuv OWNERS wth mbonadei 2020-04-17 09:16:26 +00:00
PATENTS LibYuv: Adding PATENT and LICENSE files 2011-10-25 16:15:49 +00:00
PRESUBMIT.py Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
public.mk use unix line endings 2018-06-20 23:19:59 +00:00
pylintrc Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
README.chromium 2x down sample for UV planes ported to SSSE3 / NEON 2020-10-13 21:42:15 +00:00
README.md README: fix doc links 2018-08-13 18:28:55 +00:00
winarm.mk Adds files and functions for rotate any, but does not hook them up to the caller. 2015-07-27 10:32:08 -07:00

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 for instructions on how to get started developing.

You can also browse the docs directory for more documentation.