| /* |
| * Copyright (c) 2014 The WebM 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 VPX_INTERNAL_VPX_PSNR_H_ |
| #define VPX_INTERNAL_VPX_PSNR_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // TODO(dkovalev) change vpx_sse_to_psnr signature: double -> int64_t |
| |
| /*!\brief Converts SSE to PSNR |
| * |
| * Converts sum of squared errros (SSE) to peak signal-to-noise ratio (PNSR). |
| * |
| * \param[in] samples Number of samples |
| * \param[in] peak Max sample value |
| * \param[in] sse Sum of squared errors |
| */ |
| double vpx_sse_to_psnr(double samples, double peak, double sse); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // VPX_INTERNAL_VPX_PSNR_H_ |
