1 /* 2 * Copyright 2013 The LibYuv Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // Get SSIM for video sequence. Assuming RAW 4:2:0 Y:Cb:Cr format 12 13 #ifndef UTIL_SSIM_H_ 14 #define UTIL_SSIM_H_ 15 16 #include <math.h> // For log10() 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 #if !defined(INT_TYPES_DEFINED) && !defined(UINT8_TYPE_DEFINED) 23 typedef unsigned char uint8; 24 #define UINT8_TYPE_DEFINED 25 #endif 26 27 double CalcSSIM(const uint8* org, 28 const uint8* rec, 29 const int image_width, 30 const int image_height); 31 32 double CalcLSSIM(double ssim); 33 34 #ifdef __cplusplus 35 } // extern "C" 36 #endif 37 38 #endif // UTIL_SSIM_H_ 39