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Frank Barchard c1e9e69826 [libyuv] Fix 32-bit x86 register constraint in I422ToRGB24Row_AVX2 
android_x86 was running out registers

Using "+m" for width on __i386__ (matching the convention in
SSSE3 row functions) makes width a stack variable instead

Was
   3800 |       "vbroadcasti128 16+%[kShuffleMaskARGBToRGB24],%%ymm5 \n"
        |       ^
  1 error generated.

Test: libyuv_unittest --gunit_filter=*I422ToRGB24*
Bug: 42280902
Change-Id: I7e5e22e9e15b68be942c85dd3b7e233e9f4f1351
TAG=agy
CONV=5c8b22e3-9f50-4ace-b1d5-007ddf688477
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8127620
Reviewed-by: James Zern <jzern@google.com>
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-07-20 23:35:02 -07:00
build_overrides [tracing] Remove enable_base_tracing 2025-05-15 01:22:38 -07:00
docs Mirrow AVX2 functions for Visual C 2026-05-15 15:05:31 -07:00
include [libyuv] Fix 32-bit x86 register constraint in I422ToRGB24Row_AVX2 2026-07-20 23:35:02 -07:00
infra/config Use default xcode version in libyuv 2025-11-24 07:54:14 -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 [libyuv] Fix 32-bit x86 register constraint in I422ToRGB24Row_AVX2 2026-07-20 23:35:02 -07:00
tools_libyuv Remove libyuv dependency on base/ 2025-01-08 09:04:21 -08:00
unit_test add bmm detect and vdpphps in util/cpuid 2026-06-09 14:52:48 -07:00
util vdpphps use emit to support old compilers 2026-07-06 15:51:14 -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 Set use_siso=true by default in .gn 2025-06-23 23:50:32 -07:00
.vpython3 [libyuv] Bump vpython from 3.8 to 3.11 2025-09-03 12:22:19 -07:00
Android.bp Deprecate MIPS and MSA support. 2025-10-16 12:20:40 -07:00
Android.mk Android.mk: add a check for NDK_ROOT 2026-06-03 17:00:30 -07:00
AUTHORS [DEPS] Remove cleanup_links pre_deps_hooks 2024-04-08 15:47:48 +00:00
BUILD.bazel Add Bazel build support 2026-04-15 18:20:26 -07:00
BUILD.gn [libyuv] Fix toolchain dependency for Windows x64 2026-07-14 08:37:10 -07:00
CM_linux_packages.cmake Use grep extended regex for version 2024-11-13 02:11:17 +00:00
CMakeLists.txt Deprecate MIPS and MSA support. 2025-10-16 12:20:40 -07:00
codereview.settings [infra] remove no longer supported git cl upload setting. 2021-04-28 12:47:52 +00:00
DEPS Roll chromium_revision 30d4d9c779..2fec1883d8 (1554090:1584384) 2026-02-12 23:42:06 -08:00
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
GEMINI.md I420ToRAW and I420ToRGB24 1 pass AVX2 and AVX512VBMI 2026-07-20 18:15:10 -07:00
libyuv.bzl Add Bazel build support 2026-04-15 18:20:26 -07:00
libyuv.gni row_win.cc rewrite into intrinsics 2026-04-15 19:53:16 -07:00
libyuv.gyp Stop setting --dynamic-linker for target_os="android" 2026-05-27 04:34:07 -07:00
libyuv.gypi Add missing files for riscv64 GYP build 2026-06-03 20:11:31 -07:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
linux.mk Deprecate MIPS and MSA support. 2025-10-16 12:20:40 -07:00
OWNERS row_win.cc rewrite into intrinsics 2026-04-15 19:53:16 -07:00
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 [libyuv] Fix 32-bit x86 register constraint in I422ToRGB24Row_AVX2 2026-07-20 23:35:02 -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
WORKSPACE.bazel Add Bazel build support 2026-04-15 18:20:26 -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/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.