107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
/*
|
|
* Copyright 2011 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.
|
|
*/
|
|
|
|
#ifndef INCLUDE_LIBYUV_COMPARE_H_
|
|
#define INCLUDE_LIBYUV_COMPARE_H_
|
|
|
|
#include "libyuv/basic_types.h"
|
|
|
|
#ifdef __cplusplus
|
|
namespace libyuv {
|
|
extern "C" {
|
|
#endif
|
|
|
|
// Compute a hash for specified memory. Seed of 5381 recommended.
|
|
LIBYUV_API
|
|
uint32 HashDjb2(const uint8* src, uint64 count, uint32 seed);
|
|
|
|
// Hamming Distance
|
|
LIBYUV_API
|
|
uint64 ComputeHammingDistance(const uint8* src_a,
|
|
const uint8* src_b,
|
|
int count);
|
|
|
|
// Scan an opaque argb image and return fourcc based on alpha offset.
|
|
// Returns FOURCC_ARGB, FOURCC_BGRA, or 0 if unknown.
|
|
LIBYUV_API
|
|
uint32 ARGBDetect(const uint8* argb, int stride_argb, int width, int height);
|
|
|
|
// Sum Square Error - used to compute Mean Square Error or PSNR.
|
|
LIBYUV_API
|
|
uint64 ComputeSumSquareError(const uint8* src_a, const uint8* src_b, int count);
|
|
|
|
LIBYUV_API
|
|
uint64 ComputeSumSquareErrorPlane(const uint8* src_a,
|
|
int stride_a,
|
|
const uint8* src_b,
|
|
int stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
static const int kMaxPsnr = 128;
|
|
|
|
LIBYUV_API
|
|
double SumSquareErrorToPsnr(uint64 sse, uint64 count);
|
|
|
|
LIBYUV_API
|
|
double CalcFramePsnr(const uint8* src_a,
|
|
int stride_a,
|
|
const uint8* src_b,
|
|
int stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
double I420Psnr(const uint8* src_y_a,
|
|
int stride_y_a,
|
|
const uint8* src_u_a,
|
|
int stride_u_a,
|
|
const uint8* src_v_a,
|
|
int stride_v_a,
|
|
const uint8* src_y_b,
|
|
int stride_y_b,
|
|
const uint8* src_u_b,
|
|
int stride_u_b,
|
|
const uint8* src_v_b,
|
|
int stride_v_b,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
double CalcFrameSsim(const uint8* src_a,
|
|
int stride_a,
|
|
const uint8* src_b,
|
|
int stride_b,
|
|
int width,
|
|
int height);
|
|
|
|
LIBYUV_API
|
|
double I420Ssim(const uint8* src_y_a,
|
|
int stride_y_a,
|
|
const uint8* src_u_a,
|
|
int stride_u_a,
|
|
const uint8* src_v_a,
|
|
int stride_v_a,
|
|
const uint8* src_y_b,
|
|
int stride_y_b,
|
|
const uint8* src_u_b,
|
|
int stride_u_b,
|
|
const uint8* src_v_b,
|
|
int stride_v_b,
|
|
int width,
|
|
int height);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
} // namespace libyuv
|
|
#endif
|
|
|
|
#endif // INCLUDE_LIBYUV_COMPARE_H_
|