chromium/third_party/libyuv/source/compare_common.cc

/*
 *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE 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.
 */

#include "libyuv/basic_types.h"

#include "libyuv/compare_row.h"

#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif

// Hakmem method for hamming distance.
uint32_t HammingDistance_C(const uint8_t* src_a,
                           const uint8_t* src_b,
                           int count) { … }

uint32_t SumSquareError_C(const uint8_t* src_a,
                          const uint8_t* src_b,
                          int count) { … }

// hash seed of 5381 recommended.
// Internal C version of HashDjb2 with int sized count for efficiency.
uint32_t HashDjb2_C(const uint8_t* src, int count, uint32_t seed) { … }

#ifdef __cplusplus
}  // extern "C"
}  // namespace libyuv
#endif