From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- media/libwebp/src/utils/quant_levels_dec_utils.h | 35 ++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 media/libwebp/src/utils/quant_levels_dec_utils.h (limited to 'media/libwebp/src/utils/quant_levels_dec_utils.h') diff --git a/media/libwebp/src/utils/quant_levels_dec_utils.h b/media/libwebp/src/utils/quant_levels_dec_utils.h new file mode 100644 index 0000000000..327f19f336 --- /dev/null +++ b/media/libwebp/src/utils/quant_levels_dec_utils.h @@ -0,0 +1,35 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Use of this source code is governed by a BSD-style license +// that can be found in the COPYING file in the root of the source +// tree. An additional intellectual property rights grant can be found +// in the file PATENTS. All contributing project authors may +// be found in the AUTHORS file in the root of the source tree. +// ----------------------------------------------------------------------------- +// +// Alpha plane de-quantization utility +// +// Author: Vikas Arora (vikasa@google.com) + +#ifndef WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ +#define WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ + +#include "src/webp/types.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Apply post-processing to input 'data' of size 'width'x'height' assuming that +// the source was quantized to a reduced number of levels. 'stride' is in bytes. +// Strength is in [0..100] and controls the amount of dithering applied. +// Returns false in case of error (data is NULL, invalid parameters, +// malloc failure, ...). +int WebPDequantizeLevels(uint8_t* const data, int width, int height, int stride, + int strength); + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // WEBP_UTILS_QUANT_LEVELS_DEC_UTILS_H_ -- cgit v1.2.3