michael@0: /*
michael@0:  *  Copyright 2013 The LibYuv Project Authors. All rights reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS. All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: // Get SSIM for video sequence. Assuming RAW 4:2:0 Y:Cb:Cr format
michael@0: 
michael@0: #ifndef UTIL_SSIM_H_  // NOLINT
michael@0: #define UTIL_SSIM_H_
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: extern "C" {
michael@0: #endif
michael@0: 
michael@0: #if !defined(INT_TYPES_DEFINED) && !defined(UINT8_TYPE_DEFINED)
michael@0: typedef unsigned char uint8;
michael@0: #define UINT8_TYPE_DEFINED
michael@0: #endif
michael@0: 
michael@0: double CalcSSIM(const uint8* org, const uint8* rec,
michael@0:                 const int image_width, const int image_height);
michael@0: 
michael@0: // does -10.0 * log10(1.0 - ssim)
michael@0: double CalcLSSIM(double ssim);
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: }  // extern "C"
michael@0: #endif
michael@0: 
michael@0: #endif  // UTIL_SSIM_H_  // NOLINT