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Bruce Dawson 996a2bbdb5 Avoid double compiles of libjpeg 
When libyuv was changed to compile with clang-cl this also cause libjpeg
to be compiled with clang-cl, which means that it was being compiled
twice. This is generally a bad practice, it was causing duplicate symbol
warnings in some builds, and it slows builds slightly. This change
reduces the number of build steps with the default gn settings on
Win64 builds by 71 (currently from 47,200 to 47,129).

See this change that change libyuv's compilation:
https://chromium-review.googlesource.com/c/446667/

BUG=706627

Change-Id: I13e2d4ff8511350901af10f7443f3f4b89cc2499
Reviewed-on: https://chromium-review.googlesource.com/456651
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Henrik Kjellander <kjellander@chromium.org>
Commit-Queue: Bruce Dawson <brucedawson@chromium.org>
2017-04-20 21:02:39 +00:00
build_overrides Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
docs Rename convert to yuvconvert to avoid name clash with linux util 2017-04-06 18:58:42 +00:00
include Add I422ToRGB565 2017-04-17 17:51:17 +00:00
infra/config CQ config: add gerrit CQAbility verifier. 2017-02-27 11:55:04 +00:00
source Add I422ToRGB565 2017-04-17 17:51:17 +00:00
tools_libyuv Additional changes required to get Memcheck working 2017-02-06 20:49:44 +00:00
unit_test Roll chromium_revision da7cc8ca4c..ce95e5d83f (465147:465389) 2017-04-18 22:40:59 +00:00
util Rename convert to yuvconvert to avoid name clash with linux util 2017-04-06 18:58:42 +00:00
.clang-format clang-format libyuv 2016-11-07 17:37:23 -08:00
.gitignore Rename convert to yuvconvert to avoid name clash with linux util 2017-04-06 18:58:42 +00:00
.gn Add GN files that need exec_script to list for win64 clang-cl 2016-10-12 12:46:22 -07:00
all.gyp Android support 2013-11-21 19:57:10 +00:00
Android.mk add libyuv_unittest to Android.mk 2017-04-14 23:46:27 +00:00
AUTHORS Adding AUTHORS file to libyuv 2011-11-01 20:44:21 +00:00
BUILD.gn Avoid double compiles of libjpeg 2017-04-20 21:02:39 +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 Rename convert to yuvconvert to avoid name clash with linux util 2017-04-06 18:58:42 +00:00
codereview.settings Make Gerrit the default for libyuv code reviews 2017-01-24 18:34:48 +00:00
DEPS Roll chromium_revision da7cc8ca4c..ce95e5d83f (465147:465389) 2017-04-18 22:40:59 +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
gyp_libyuv Skip running GYP if GYP_CHROMIUM_NO_ACTION is set in environment 2016-04-08 14:01:29 +02:00
gyp_libyuv.py Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
libyuv_nacl.gyp NaCl/GYP: remove references to prep_toolchain from libyuv. prep_toolchain is now a no-op. 2015-04-22 17:42:21 +00:00
libyuv_test.gyp Rename convert to yuvconvert to avoid name clash with linux util 2017-04-06 18:58:42 +00:00
libyuv.gni Add MIPS SIMD Arch (MSA) optimized MirrorRow function 2016-09-22 16:12:22 -07:00
libyuv.gyp Rename mips source files to dspr2. 2017-01-27 23:11:43 +00:00
libyuv.gypi Rename mips source files to dspr2. 2017-01-27 23:11:43 +00:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
LICENSE_THIRD_PARTY README.chromium license field for WebView and LICENSE_THIRD_PARTY to show files with special licenses. 2013-04-24 00:12:28 +00:00
linux.mk Rename mips source files to dspr2. 2017-01-27 23:11:43 +00:00
OWNERS Add new OWNERS and remove drover.properties. 2016-02-16 19:53:11 +01:00
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 Android.mk moved into libyuv to central support 2012-09-19 07:27:17 +00:00
pylintrc Use DEPS for all dependencies + add PRESUBMIT.py 2017-02-03 11:36:53 +00:00
README.chromium add libyuv_unittest to Android.mk 2017-04-14 23:46:27 +00:00
README.md Docs: Fix broken links from README.md 2016-03-15 17:38:14 -07:00
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.
  • Convert from YUV to formats for rendering/effects.
  • Rotate by 90/180/270 degrees to adjust for mobile devices in portrait mode.
  • Optimized for SSE2/SSSE3/AVX2 on x86/x64.
  • Optimized for Neon on Arm.
  • Optimized for DSP R2 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.