84163d9d02
WEBP_REDUCE_SIZE was introduced to bring down the library size by removing cropping and scaling support. Previously WebPPictureView() was only used with these two, but in ec178f2c Add progress hook granularity in lossless an additional use was added in VP8LEncodeStream() when extra side configurations are used in crunch mode (-mt, quality == 100 & method == 6 or quality >= 75 & method == 5 with a palette present currently). WebPPictureView() and, for coherency, WebPPictureIsView() are restored in this configuration to avoid affecting the general encode path. Previously WebPPictureView() was assumed to always succeed in these cases which could result in crashes with WEBP_REDUCE_SIZE defined. Bug: chromium:1345547 Bug: chromium:1345595 Bug: chromium:1345772 Bug: chromium:1345804 Change-Id: Ifecde36a726a434510478a764514b1469942c684
WebP Codec
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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