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Bruce Lai f4bd840794 Fix compile error for riscv scalar & simplify cmake cross build flow 
1. Fix compile error when build riscv without using vector

2. Fix run_qemu.sh misused v=true for USE_RVV=OFF case

3. [cmake] Fix warning by rename TEST to UNIT_TEST
Warning log:
CMake Warning (dev) at CMakeLists.txt:57 (if):                                                                                                                                                                                                                  [54/1931]
  Policy CMP0064 is not set: Support new TEST if() operator.  Run "cmake
  --help-policy CMP0064" for policy details.  Use the cmake_policy command to
  set the policy and suppress this warning.

  TEST will be interpreted as an operator when the policy is set to NEW.
  Since the policy is not set the OLD behavior will be used.
This warning is for project developers.  Use -Wno-dev to suppress it.

4. [cmake] Simplify logic for cross-build

Bug: libyuv:956

Change-Id: I120402fc7d6d86403e7d974180b81f4f9c663e36
Signed-off-by: Bruce Lai <bruce.lai@sifive.com>
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4486239
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
2023-05-04 18:09:00 +00:00
build_overrides Define enable_safe_libcxx in build_overrides/build.gni. 2023-05-03 06:08:40 +00:00
docs Fix compile error for riscv scalar & simplify cmake cross build flow 2023-05-04 18:09:00 +00:00
include Fix compile error for riscv scalar & simplify cmake cross build flow 2023-05-04 18:09:00 +00:00
infra/config [infra] Allow project-libyuv-admins group to trigger LED tasks 2022-11-01 12:40:22 +00:00
riscv_script Fix compile error for riscv scalar & simplify cmake cross build flow 2023-05-04 18:09:00 +00:00
source Fix compile error for riscv scalar & simplify cmake cross build flow 2023-05-04 18:09:00 +00:00
tools_libyuv Remove --send-mail from roll script 2022-11-02 17:15:17 +00:00
unit_test cpuid for arm/mips/riscv initialize buffer 2023-04-27 22:46:27 +00:00
util cpuid for arm/mips/riscv initialize buffer 2023-04-27 22:46:27 +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 Add .vpython3 to libyuv. 2022-07-15 18:43:49 +00:00
Android.bp Android.bp: Remove reference to LICENSE_THIRD_PARTY 2022-08-02 22:13:44 +00:00
Android.mk RGBScale function using 3 steps: RGB24ToARGB, ARGBScale, ARGBToRGB24 2022-03-19 01:44:06 +00:00
AUTHORS Fix compile errors for ARM targets when libyuv_use_neon = false 2022-05-13 10:12:38 +00:00
BUILD.gn [ios-blink] Enabled JPEG for ios-blink 2023-04-20 16:27:51 +00:00
cleanup_links.py Update PRESUBMIT, cleanup_links and autoroller to py3 2022-02-24 13:34:14 +00:00
CM_linux_packages.cmake Reduce cmake verbosity and update min version 2022-08-03 06:59:54 +00:00
CMakeLists.txt Fix compile error for riscv scalar & simplify cmake cross build flow 2023-05-04 18:09:00 +00:00
codereview.settings [infra] remove no longer supported git cl upload setting. 2021-04-28 12:47:52 +00:00
DEPS Roll chromium_revision 504c069755..d4adab061f (1074965:1109888) 2023-02-27 10:19:18 +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 [code-health] Migrate presubmit to python3 2022-09-26 21:57:55 +00:00
libyuv.gyp Add libyuv.gyp build files 2022-03-21 23:48:16 +00:00
libyuv.gypi Add libyuv.gyp build files 2022-03-21 23:48:16 +00:00
LICENSE Update Copyright notice to follow new chromium conventions. 2012-08-08 19:04:24 +00:00
linux.mk RGBScale function using 3 steps: RGB24ToARGB, ARGBScale, ARGBToRGB24 2022-03-19 01:44:06 +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 cpuid for arm/mips/riscv initialize buffer 2023-04-27 22:46:27 +00:00
README.md Add RAWToARGBRow_RVV,RAWToRGBARow_RVV,RAWToRGB24Row_RVV 2023-04-07 18:45:08 +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 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.