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Prashanth Swaminathan 8b4aa7cef9 Add RVV files to Android and GN builds 
Include row_rvv.cc source file and support for riscv64 builds in Android
and GN builds. Adds GN build flag to disable RISC-V vector operations.
Switches dynamic linker to 64-bit by default, with exceptions for 32-bit
targets as defined in //build/config/android/abi.gni.

Bug: b/280364043
Test: Verified local build via Android and GN.
Change-Id: I1bbd36f16aafa16d4bfd117de03354be79743a9d
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/4501727
Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
Commit-Queue: Prashanth Swaminathan <prashanthsw@google.com>
Reviewed-by: Frank Barchard <fbarchard@chromium.org>
2023-05-09 15:31:51 +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 Add RVV files to Android and GN builds 2023-05-09 15:31:51 +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 Add RVV files to Android and GN builds 2023-05-09 15:31:51 +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 d4adab061f..84f3f93bac (1109888:1140362) 2023-05-08 18:12:14 +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 Add RVV files to Android and GN builds 2023-05-09 15:31:51 +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.