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contrib/libs/libwebp/utils/quant_levels_utils.h
36 строк
1 KB
Anton Myagkov
Update ydb version to 24.4 (#4579)
07 фев 2026, 11:59
Не верифицирован
07 фев 2026, 11:59
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// Copyright 2011 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 quantization utility // // Author: Vikas Arora (vikasa@google.com) #ifndef WEBP_UTILS_QUANT_LEVELS_UTILS_H_ #define WEBP_UTILS_QUANT_LEVELS_UTILS_H_ #include <stdlib.h> #include "../webp/types.h" #ifdef __cplusplus extern "C" { #endif // Replace the input 'data' of size 'width'x'height' with 'num-levels' // quantized values. If not NULL, 'sse' will contain the sum of squared error. // Valid range for 'num_levels' is [2, 256]. // Returns false in case of error (data is NULL, or parameters are invalid). int QuantizeLevels(uint8_t* const data, int width, int height, int num_levels, uint64_t* const sse); #ifdef __cplusplus } // extern "C" #endif #endif // WEBP_UTILS_QUANT_LEVELS_UTILS_H_