The Tor Browser: media/libyuv/util/ssim.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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  */

    11 // Get SSIM for video sequence. Assuming RAW 4:2:0 Y:Cb:Cr format

    13 #ifndef UTIL_SSIM_H_  // NOLINT

    14 #define UTIL_SSIM_H_

    16 #ifdef __cplusplus

    17 extern "C" {

    18 #endif

    20 #if !defined(INT_TYPES_DEFINED) && !defined(UINT8_TYPE_DEFINED)

    21 typedef unsigned char uint8;

    22 #define UINT8_TYPE_DEFINED

    23 #endif

    25 double CalcSSIM(const uint8* org, const uint8* rec,

    26                 const int image_width, const int image_height);

    28 // does -10.0 * log10(1.0 - ssim)

    29 double CalcLSSIM(double ssim);

    31 #ifdef __cplusplus

    32 }  // extern "C"

    33 #endif

    35 #endif  // UTIL_SSIM_H_  // NOLINT

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