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WANG Xuerui 6ecfe106c3 Enable explicit control over LoongArch LSX & LASX for GYP builds 
And enable LASX by default for LoongArch builds, because LASX is
widely supported among LoongArch desktops and servers, and performance
is better than with LSX alone.

Because the LoongArch SIMD code is written to only compile if the
respective codegen option is enabled, but the defaults and availability
differ between compiler versions and target `-march` setting, the
codegen flags are explicitly added to CFLAGS for wider compatibility.

Bug: None
Change-Id: I735ceac0f6b46eea2155e58ecf3630383ef5b728
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6241804
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
2025-05-30 10:17:27 -07:00
build_overrides [tracing] Remove enable_base_tracing 2025-05-15 01:22:38 -07:00
docs Fix typo, remove mips as title already contain mips 2025-04-15 14:02:28 -07:00
include Add Neon implementation of Convert8To16Row 2025-05-29 13:37:48 -07:00
infra/config Revert "Remove linux_tsan2 bot from CQ." 2025-01-09 00:26:58 -08:00
riscv_script Support RVV v0.12 intrinsics for row_rvv.cc & scale_rvv.cc 2024-06-17 18:01:49 +00:00
source Add Neon implementation of Convert8To16Row 2025-05-29 13:37:48 -07:00
tools_libyuv Remove libyuv dependency on base/ 2025-01-08 09:04:21 -08:00
unit_test Use pragma comment to disable warning for ASSERT_NE when including gtest.h 2025-05-15 15:58:15 -07:00
util Add SME2 detect 2025-03-27 11:08:08 -07:00
.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 908f3898af..3d4d5701ea (1403569:1445131) 2025-04-10 04:15:34 -07:00
.vpython3 Update protobuf version in .vpython3. 2025-01-09 00:32:24 -08:00
Android.bp Enable CFI assembly support 2025-03-31 10:47:47 -07:00
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 Support Siso builds 2025-05-27 01:54:30 -07:00
CM_linux_packages.cmake Use grep extended regex for version 2024-11-13 02:11:17 +00:00
CMakeLists.txt Call cmake_minimum_required(VERSION 3.16) first 2025-04-13 10:08:52 -07:00
codereview.settings [infra] remove no longer supported git cl upload setting. 2021-04-28 12:47:52 +00:00
DEPS Support Siso builds 2025-05-27 01:54:30 -07:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-09 19:34:43 +00:00
download_vs_toolchain.py Update pylintrc to a pep-8 like style 2024-12-18 05:38:56 -08:00
libyuv.gni Revert "Do not enable libyuv_use_sme for is_android" 2024-10-15 18:20:36 +00:00
libyuv.gyp Enable explicit control over LoongArch LSX & LASX for GYP builds 2025-05-30 10:17:27 -07:00
libyuv.gypi Add missing files for loong64 GYP build 2025-04-15 14:03:27 -07:00
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 pylintrc to a pep-8 like style 2024-12-18 05:38:56 -08:00
public.mk use unix line endings 2018-06-20 23:19:59 +00:00
pylintrc Update pylintrc to a pep-8 like style 2024-12-18 05:38:56 -08:00
README.chromium ARGBToUV 64 bit use ymm8 for shuffler 2025-05-12 15:09:40 -07:00
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.