From 678702573531f19ae36847a6a07257aaae623fbe Mon Sep 17 00:00:00 2001 From: Sadaf Ebrahimi Date: Fri, 25 Aug 2023 16:27:50 +0000 Subject: Move libyuv/files/ directly under libyuv Test: TreeHugger Merged-In: I773d1ae01539cc5d200768b526f10b2922567f72 Change-Id: I4ba1f1e781d7fd3ad96639dfdc08f654e45ae3d3 --- include/libyuv/compare.h | 111 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 include/libyuv/compare.h (limited to 'include/libyuv/compare.h') diff --git a/include/libyuv/compare.h b/include/libyuv/compare.h new file mode 100644 index 00000000..3353ad71 --- /dev/null +++ b/include/libyuv/compare.h @@ -0,0 +1,111 @@ +/* + * Copyright 2011 The LibYuv 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 INCLUDE_LIBYUV_COMPARE_H_ +#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_t HashDjb2(const uint8_t* src, uint64_t count, uint32_t seed); + +// Hamming Distance +LIBYUV_API +uint64_t ComputeHammingDistance(const uint8_t* src_a, + const uint8_t* src_b, + int count); + +// Scan an opaque argb image and return fourcc based on alpha offset. +// Returns FOURCC_ARGB, FOURCC_BGRA, or 0 if unknown. +LIBYUV_API +uint32_t ARGBDetect(const uint8_t* argb, + int stride_argb, + int width, + int height); + +// Sum Square Error - used to compute Mean Square Error or PSNR. +LIBYUV_API +uint64_t ComputeSumSquareError(const uint8_t* src_a, + const uint8_t* src_b, + int count); + +LIBYUV_API +uint64_t ComputeSumSquareErrorPlane(const uint8_t* src_a, + int stride_a, + const uint8_t* src_b, + int stride_b, + int width, + int height); + +static const int kMaxPsnr = 128; + +LIBYUV_API +double SumSquareErrorToPsnr(uint64_t sse, uint64_t count); + +LIBYUV_API +double CalcFramePsnr(const uint8_t* src_a, + int stride_a, + const uint8_t* src_b, + int stride_b, + int width, + int height); + +LIBYUV_API +double I420Psnr(const uint8_t* src_y_a, + int stride_y_a, + const uint8_t* src_u_a, + int stride_u_a, + const uint8_t* src_v_a, + int stride_v_a, + const uint8_t* src_y_b, + int stride_y_b, + const uint8_t* src_u_b, + int stride_u_b, + const uint8_t* src_v_b, + int stride_v_b, + int width, + int height); + +LIBYUV_API +double CalcFrameSsim(const uint8_t* src_a, + int stride_a, + const uint8_t* src_b, + int stride_b, + int width, + int height); + +LIBYUV_API +double I420Ssim(const uint8_t* src_y_a, + int stride_y_a, + const uint8_t* src_u_a, + int stride_u_a, + const uint8_t* src_v_a, + int stride_v_a, + const uint8_t* src_y_b, + int stride_y_b, + const uint8_t* src_u_b, + int stride_u_b, + const uint8_t* src_v_b, + int stride_v_b, + int width, + int height); + +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_COMPARE_H_ -- cgit v1.2.3