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James Zern e15b356014 add WEBP_MSAN 
and use it to suppress a false positive related to data that passes
through RGBA32PackedToPlanar_16b_SSE41(). Current versions (tested with
clang 13.0.1, using -O0 and the build from oss-fuzz of enc_dec_fuzzer)
model shuffles incorrectly reporting use of uninitialized
data related to the alpha change that's removed when converting to YUV.
valgrind behaves correctly, however.

Bug: webp:573
Change-Id: If76997668dcdd436adf280a2e6dcffba766a2875
2022-06-14 21:49:46 -07:00
cmake WEBP_DEP_LIBRARIES: use Threads::Threads 2022-05-31 17:09:09 -05:00
doc webp-lossless-bitstream-spec,cosmetics: normalize range syntax 2022-05-14 20:51:43 -07:00
examples ExUtilInitCommandLineArguments: fix leak on error 2022-04-04 11:26:25 -07:00
extras image_dec: add WebPGetEnabledInputFileFormats() 2022-03-26 15:37:25 -07:00
gradle/wrapper update gradle to 6.1.1 2021-01-02 15:51:55 -08:00
imageio tiffdec: add grayscale support 2022-03-31 21:43:29 -07:00
infra Remove CMakeLists.txt check in compile.sh 2021-11-02 20:37:11 +00:00
m4 autoconf: update ax_pthread.m4 2013-12-29 11:56:21 -05:00
man man/cwebp.1: add note about crop/resize order 2022-03-17 16:08:34 -07:00
sharpyuv sharpyuv: increase precision of gamma<->linear conversion 2022-06-01 15:38:44 +02:00
src add WEBP_MSAN 2022-06-14 21:49:46 -07:00
swig Markdownify libwebp docs and reorganize them. 2022-02-15 15:31:56 +00:00
tests Markdownify libwebp docs and reorganize them. 2022-02-15 15:31:56 +00:00
webp_js Markdownify libwebp docs and reorganize them. 2022-02-15 15:31:56 +00:00
.gitattributes update gradle to 6.1.1 2021-01-02 15:51:55 -08:00
.gitignore .gitignore: add Android Studio & VS code dirs 2022-04-04 10:28:06 -07:00
.mailmap update .mailmap 2022-05-14 20:57:41 -07:00
.pylintrc presubmit: Add pylint-2.7 and .pylintrc 2021-10-12 01:01:14 +00:00
.style.yapf Reformat docstrings and imports 2021-10-04 23:42:35 +00:00
Android.mk sharpyuv: increase precision of gamma<->linear conversion 2022-06-01 15:38:44 +02:00
AUTHORS update AUTHORS 2021-12-14 19:52:01 -08:00
autogen.sh build: just use autoreconf, avoid calling tools manually 2011-03-26 09:50:31 -07:00
build.gradle sharpyuv: increase precision of gamma<->linear conversion 2022-06-01 15:38:44 +02:00
ChangeLog update ChangeLog 2022-01-19 15:35:26 -08:00
CMakeLists.txt CMake: add src to webpinfo includes 2022-05-31 20:46:21 -05:00
codereview.settings add codereview.settings 2018-11-07 19:12:35 -08:00
configure.ac configure.ac: use LT_INIT if available 2022-04-04 10:25:26 -07:00
CONTRIBUTING.md add CONTRIBUTING.md 2021-04-23 18:35:44 -07:00
COPYING Initial commit 2010-09-30 09:55:07 -04:00
gradle.properties Add gradle support 2016-05-24 15:35:20 +02:00
gradlew update gradle to 6.1.1 2021-01-02 15:51:55 -08:00
gradlew.bat update gradle to 6.1.1 2021-01-02 15:51:55 -08:00
iosbuild.sh fix ios build scripts after sharpyuv dep added 2022-03-08 19:52:45 -08:00
Makefile.am Make libwebp depend on libsharpyuv. 2022-03-04 11:35:03 +01:00
makefile.unix sharpyuv: increase precision of gamma<->linear conversion 2022-06-01 15:38:44 +02:00
Makefile.vc sharpyuv: increase precision of gamma<->linear conversion 2022-06-01 15:38:44 +02:00
NEWS update NEWS 2022-01-11 18:45:55 -08:00
PATENTS fix typo: constitutes -> constitute 2015-04-18 08:46:53 -07:00
PRESUBMIT.py patch-check: detect duplicated files 2021-12-17 00:25:43 +00:00
README.md Markdownify libwebp docs and reorganize them. 2022-02-15 15:31:56 +00:00
xcframeworkbuild.sh fix ios build scripts after sharpyuv dep added 2022-03-08 19:52:45 -08:00

README.md

WebP Codec

      __   __  ____  ____  ____
     /  \\/  \/  _ \/  _ )/  _ \
     \       /   __/  _  \   __/
      \__\__/\____/\_____/__/ ____  ___
            / _/ /    \    \ /  _ \/ _/
           /  \_/   / /   \ \   __/  \__
           \____/____/\_____/_____/____/v1.2.2

WebP codec is a library to encode and decode images in WebP format. This package contains the library that can be used in other programs to add WebP support, as well as the command line tools 'cwebp' and 'dwebp' to compress and decompress images respectively.

See https://developers.google.com/speed/webp for details on the image format.

The latest source tree is available at https://chromium.googlesource.com/webm/libwebp

It is released under the same license as the WebM project. See https://www.webmproject.org/license/software/ or the "COPYING" file for details. An additional intellectual property rights grant can be found in the file PATENTS.

Building

See the building documentation.

Encoding and Decoding Tools

The examples/ directory contains tools to encode and decode images and animations, view information about WebP images, and more. See the tools documentation.

APIs

See the APIs documentation, and API usage examples in the examples/ directory.

Bugs

Please report all bugs to the issue tracker: https://bugs.chromium.org/p/webp

Patches welcome! See how to contribute.

Discuss

Email: webp-discuss@webmproject.org

Web: https://groups.google.com/a/webmproject.org/group/webp-discuss