Jyrki Alakuijala 428588ef90 clarify single leaf node trees and use of canonical prefix coding
remove AMENDED-notes (the last functional spec change to match with the
implementation is from 2014, other amendments are clarifications)

Bug: webp:581
Change-Id: Ic47739be0fd5a975fd734d6813567ca615304f1d
2023-05-25 17:25:48 -07:00
2023-05-24 19:39:26 -07:00
2023-03-17 15:37:55 -07:00
2022-12-16 16:47:42 -08:00
2021-01-02 15:51:55 -08:00
2013-12-29 11:56:21 -05:00
2023-03-17 15:37:55 -07:00
2021-01-02 15:51:55 -08:00
2022-06-30 19:29:53 -07:00
2022-12-16 16:47:36 -08:00
2022-10-26 13:07:01 -07:00
2022-12-19 16:23:35 -08:00
2023-05-24 19:39:26 -07:00
2018-11-07 19:12:35 -08:00
2022-12-16 16:47:42 -08:00
2023-04-07 15:10:16 +02:00
2010-09-30 09:55:07 -04:00
2016-05-24 15:35:20 +02:00
2021-01-02 15:51:55 -08:00
2021-01-02 15:51:55 -08:00
2022-10-26 13:07:01 -07:00
2022-12-16 16:47:42 -08:00
2015-04-18 08:46:53 -07:00
2022-12-16 16:47:42 -08:00

WebP Codec

      __   __  ____  ____  ____
     /  \\/  \/  _ \/  _ )/  _ \
     \       /   __/  _  \   __/
      \__\__/\____/\_____/__/ ____  ___
            / _/ /    \    \ /  _ \/ _/
           /  \_/   / /   \ \   __/  \__
           \____/____/\_____/_____/____/v1.3.0

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: 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

Description
Mirror only. Please do not send pull requests. See https://chromium.googlesource.com/webm/libwebp/+/HEAD/CONTRIBUTING.md.
Readme 15 MiB
Languages
C 94.3%
C++ 1.4%
Shell 1.1%
CMake 1.1%
M4 1%
Other 1.1%