1fdd4ef501
Reasoning: The `irow` and `frow` pointers in `WebPRescaler` (src/utils/rescaler_utils.h:49) were annotated with `WEBP_COUNTED_BY(dst_width * num_channels)`. This is based on their initialization in `WebPRescalerInit` (src/utils/rescaler_utils.c:82-83) where they are assigned parts of the `work` buffer, whose total size is `2 * dst_width * num_channels`. The `work` parameter in `WebPRescalerInit` (src/utils/rescaler_utils.h:58, src/utils/rescaler_utils.c:33) was also annotated accordingly. To satisfy the side-by-side assignment requirement for external bounds, assignments to `rescaler->irow` and `rescaler->frow` in `WebPRescalerInit` were moved closer to the assignments of `dst_width` and `num_channels` (src/utils/rescaler_utils.c:50-53). Since `work` have bound information, `WEBP_UNSAFE_MEMSET` has been changed to `memset`. In `WebPRescalerImport` (src/utils/rescaler_utils.c:140-150), where `irow` and `frow` are swapped, self-assignments for `dst_width` and `num_channels` were added side-by-side with the pointer assignments. Additionally, `WEBP_UNSAFE_FORGE_BIDI_INDEXABLE` was used for the pointer assignments to handle the `WEBP_ASSUME_UNSAFE_INDEXABLE_ABI` setting used during testing. Bug: 432511821 Change-Id: If716fb79a06dee9e807eff060806daf038810523
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. 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