| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License and the |
| * Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear License was |
| * not distributed with this source code in the LICENSE file, you can obtain it |
| * at aomedia.org/license/software-license/bsd-3-c-c/. If the Alliance for Open Media Patent |
| * License 1.0 was not distributed with this source code in the PATENTS file, you |
| * can obtain it at aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef INCLUDE_LIBYUV_COMPARE_H_ // NOLINT |
| #define INCLUDE_LIBYUV_COMPARE_H_ |
| |
| #include "libyuv/basic_types.h" |
| |
| #ifdef __cplusplus |
| namespace libyuv { |
| extern "C" { |
| #endif |
| |
| // Compute a hash for specified memory. Seed of 5381 recommended. |
| LIBYUV_API |
| uint32 HashDjb2(const uint8* src, uint64 count, uint32 seed); |
| |
| // Scan an opaque argb image and return fourcc based on alpha offset. |
| // Returns FOURCC_ARGB, FOURCC_BGRA, or 0 if unknown. |
| LIBYUV_API |
| uint32 ARGBDetect(const uint8* argb, int stride_argb, int width, int height); |
| |
| // Sum Square Error - used to compute Mean Square Error or PSNR. |
| LIBYUV_API |
| uint64 ComputeSumSquareError(const uint8* src_a, |
| const uint8* src_b, int count); |
| |
| LIBYUV_API |
| uint64 ComputeSumSquareErrorPlane(const uint8* src_a, int stride_a, |
| const uint8* src_b, int stride_b, |
| int width, int height); |
| |
| static const int kMaxPsnr = 128; |
| |
| LIBYUV_API |
| double SumSquareErrorToPsnr(uint64 sse, uint64 count); |
| |
| LIBYUV_API |
| double CalcFramePsnr(const uint8* src_a, int stride_a, |
| const uint8* src_b, int stride_b, |
| int width, int height); |
| |
| LIBYUV_API |
| double I420Psnr(const uint8* src_y_a, int stride_y_a, |
| const uint8* src_u_a, int stride_u_a, |
| const uint8* src_v_a, int stride_v_a, |
| const uint8* src_y_b, int stride_y_b, |
| const uint8* src_u_b, int stride_u_b, |
| const uint8* src_v_b, int stride_v_b, |
| int width, int height); |
| |
| LIBYUV_API |
| double CalcFrameSsim(const uint8* src_a, int stride_a, |
| const uint8* src_b, int stride_b, |
| int width, int height); |
| |
| LIBYUV_API |
| double I420Ssim(const uint8* src_y_a, int stride_y_a, |
| const uint8* src_u_a, int stride_u_a, |
| const uint8* src_v_a, int stride_v_a, |
| const uint8* src_y_b, int stride_y_b, |
| const uint8* src_u_b, int stride_u_b, |
| const uint8* src_v_b, int stride_v_b, |
| int width, int height); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| } // namespace libyuv |
| #endif |
| |
| #endif // INCLUDE_LIBYUV_COMPARE_H_ NOLINT |