ref: d318d7cb6ff8f8ddfefe12d67fa4abafa28e8ea2
dir: /vpx/internal/vpx_psnr.h/
/* * 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_