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Wan-Teh Chang 6ac7c8f251 Revert "Do not enable libyuv_use_sme for is_android" 
This reverts commit 51e2e12b9b59452b1ad16c33a88bbcdd085b5450.

Reason for revert: The llvm bug fix
https://github.com/llvm/llvm-project/pull/102979 has been rolled into
Chrome in https://chromium-review.googlesource.com/5921462.

Original change's description:
> Do not enable libyuv_use_sme for is_android
>
> Revert the changes to libyuv.gni in commit dfa279f.
>
> The linker error "undefined symbol: __getauxval" referenced by
> sme-abi-init.c:26 on Android, previously reported in
> https://libyuv.g-issues.chromium.org/issues/359006069#comment2, has not
> been fixed yet. See
> https://chromium-review.googlesource.com/c/chromium/src/+/5918245?tab=checks.
>
> Change-Id: I94bd243e2863b9c316909f63f757fd95ec55dc18
> Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5917455
> Reviewed-by: Frank Barchard <fbarchard@chromium.org>

Bug: 359006069
Change-Id: Ic801c1bcb65894fdfe718ba6454669c8623a2e15
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/5935026
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: George Steed <george.steed@arm.com>
2024-10-15 18:20:36 +00:00
build_overrides Define enable_safe_libcxx in build_overrides/build.gni. 2023-05-03 06:08:40 +00:00
docs Update README.md and environment_variables.md for Arm 2024-09-20 00:29:33 +00:00
include Check malloc allocation sizes are less than SIZE_MAX 2024-10-07 21:34:15 +00:00
infra/config infra: Move libyuv ci/try jobs from Ubuntu-18.04 to Ubuntu-22.04 2024-05-21 15:55:24 +00:00
riscv_script Support RVV v0.12 intrinsics for row_rvv.cc & scale_rvv.cc 2024-06-17 18:01:49 +00:00
source Make functions that malloc check for ubsan math overflow 2024-10-08 21:08:34 +00:00
tools_libyuv Do not roll the Fuchsia SDK. 2023-07-03 09:18:00 +00:00
unit_test Fix the test case 2024-10-09 08:26:10 +00:00
util Fix -Wmissing-prototypes warnings 2024-08-12 19:08:24 +00:00
.clang-format clang-format libyuv 2016-11-07 17:37:23 -08:00
.gitignore DetilePlane and unittest for NEON 2022-01-31 20:05:55 +00:00
.gn Roll chromium_revision 829c6df33d..7d683aeda8 (945687:1050091) 2022-09-22 14:56:57 +00:00
.vpython remove swarming_client 2021-09-09 07:11:45 +00:00
.vpython3 Update vpython3 requests 2023-06-01 19:06:40 +00:00
Android.bp Split scale_test and scale_plane_test to allow building on small devices 2023-12-09 18:39:41 +00:00
Android.mk Split scale_test and scale_plane_test to allow building on small devices 2023-12-09 18:39:41 +00:00
AUTHORS [DEPS] Remove cleanup_links pre_deps_hooks 2024-04-08 15:47:48 +00:00
BUILD.gn Run "gn format" on BUILD.gn and libyuv.gni 2024-08-11 20:32:05 +00:00
CM_linux_packages.cmake Reduce cmake verbosity and update min version 2022-08-03 06:59:54 +00:00
CMakeLists.txt Install yuvconvert with install(TARGETS) 2024-09-05 20:57:59 +00:00
codereview.settings [infra] remove no longer supported git cl upload setting. 2021-04-28 12:47:52 +00:00
DEPS [DEPS] Remove cleanup_links pre_deps_hooks 2024-04-08 15:47:48 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-09 19:34:43 +00:00
download_vs_toolchain.py Update gclient instructions + environment 2022-02-24 15:19:23 +00:00
libyuv.gni Revert "Do not enable libyuv_use_sme for is_android" 2024-10-15 18:20:36 +00:00
libyuv.gyp Add libyuv.gyp build files 2022-03-21 23:48:16 +00:00
libyuv.gypi Fix missing headers in GN/GYP build files 2024-04-01 09:19:24 +00:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
linux.mk Split convert_test and convert_argb_test to allow building on small systems that run out of memory compiling unittests. 2023-12-08 13:39:56 +00:00
OWNERS add jansson@google.com to infra owners to cover when Mirko is OOO 2022-10-28 09:46:02 +00:00
PATENTS LibYuv: Adding PATENT and LICENSE files 2011-10-25 16:15:49 +00:00
PRESUBMIT.py Update PRESUBMIT, cleanup_links and autoroller to py3 2022-02-24 13:34:14 +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 Check malloc allocation sizes are less than SIZE_MAX 2024-10-07 21:34:15 +00:00
README.md Update README.md and environment_variables.md for Arm 2024-09-20 00:29:33 +00:00
winarm.mk NV12 Copy, include scale_uv.h 2020-12-08 18:54:16 +00:00

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/SVE2/SME on Arm.
  • Optimized for MSA on Mips.
  • Optimized for RVV on RISC-V.

Development

See Getting started for instructions on how to get started developing.

You can also browse the docs directory for more documentation.