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chromium / webm / libwebp / 166968b809d40d98cb4e5f8506846fab790fc18c
commit166968b809d40d98cb4e5f8506846fab790fc18c[log] [tgz]
authorWan-Teh Chang <wtc@google.com>Sat Aug 02 02:07:41 2025
committerJames Zern <jzern@google.com>Thu Aug 07 20:57:10 2025
tree98544e82041563947dc9b762b39cb41e58f16521
parent4fa21912338357f89e4fd51cf2368325b59e9bd9 [diff]
Use file static variables in WEBP_DSP_INIT_FUNC()

Function static variables are initialized on the first call to the
function. In C the initialization of function static variables is not
thread-safe. Use file static variables instead in the
WEBP_DSP_INIT_FUNC() macro.

Remove the volatile qualifier for the pthread version of the
func##_last_cpuinfo_used variable because the variable is only accessed
while holding the mutex.

Change-Id: I1237904a49d2467d7ce79fc53f9e7f966aa7a5c1
(cherry picked from commit 313692d51efc2ea41058a18b8ec1abd59674c9b7)
1 file changed
tree: 98544e82041563947dc9b762b39cb41e58f16521
  1. cmake/
  2. doc/
  3. examples/
  4. extras/
  5. gradle/
  6. imageio/
  7. infra/
  8. m4/
  9. man/
  10. sharpyuv/
  11. src/
  12. swig/
  13. tests/
  14. webp_js/
  15. .cmake-format.py
  16. .gitattributes
  17. .gitignore
  18. .mailmap
  19. .pylintrc
  20. .style.yapf
  21. Android.mk
  22. AUTHORS
  23. autogen.sh
  24. build.gradle
  25. ChangeLog
  26. CMakeLists.txt
  27. codereview.settings
  28. configure.ac
  29. CONTRIBUTING.md
  30. COPYING
  31. gradle.properties
  32. gradlew
  33. gradlew.bat
  34. iosbuild.sh
  35. Makefile.am
  36. makefile.unix
  37. Makefile.vc
  38. NEWS
  39. PATENTS
  40. PRESUBMIT.py
  41. README.md
  42. xcframeworkbuild.sh
README.md

WebP Codec

      __   __  ____  ____  ____
     /  \\/  \/  _ \/  _ )/  _ \
     \       /   __/  _  \   __/
      \__\__/\____/\_____/__/ ____  ___
            / _/ /    \    \ /  _ \/ _/
           /  \_/   / /   \ \   __/  \__
           \____/____/\_____/_____/____/v1.6.0

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. For security reports, select ‘Security report’ from the Template dropdown.

Patches welcome! See how to contribute.

Discuss

Email: webp-discuss@webmproject.org

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