chromium/third_party/libavif/src/src/scale.c

// Copyright 2021 Joe Drago. All rights reserved.
// SPDX-License-Identifier: BSD-2-Clause

#include "avif/internal.h"
#include <limits.h>

#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wstrict-prototypes" // "this function declaration is not a prototype"
// The newline at the end of libyuv/version.h was accidentally deleted in version 1792 and restored
// in version 1813:
// https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3183182
// https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3527834
#pragma clang diagnostic ignored "-Wnewline-eof" // "no newline at end of file"
#endif
#include <libyuv.h>
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// This should be configurable and/or smarter. kFilterBox has the highest quality but is the slowest.
#define AVIF_LIBYUV_FILTER_MODE …

avifResult avifImageScaleWithLimit(avifImage * image,
                                   uint32_t dstWidth,
                                   uint32_t dstHeight,
                                   uint32_t imageSizeLimit,
                                   uint32_t imageDimensionLimit,
                                   avifDiagnostics * diag)
{ … }

avifResult avifImageScale(avifImage * image, uint32_t dstWidth, uint32_t dstHeight, avifDiagnostics * diag)
{ … }