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Diffstat (limited to 'thirdparties/common/include/libyuv/libyuv/compare.h')
-rw-r--r-- | thirdparties/common/include/libyuv/libyuv/compare.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/thirdparties/common/include/libyuv/libyuv/compare.h b/thirdparties/common/include/libyuv/libyuv/compare.h new file mode 100644 index 0000000..9dbb0c5 --- /dev/null +++ b/thirdparties/common/include/libyuv/libyuv/compare.h @@ -0,0 +1,65 @@ +/* + * 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_ // 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. +uint32 HashDjb2(const uint8* src, uint64 count, uint32 seed); + +// Sum Square Error - used to compute Mean Square Error or PSNR +uint64 ComputeSumSquareError(const uint8* src_a, + const uint8* src_b, int count); + +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; + +double SumSquareErrorToPsnr(uint64 sse, uint64 count); + +double CalcFramePsnr(const uint8* src_a, int stride_a, + const uint8* src_b, int stride_b, + int width, int height); + +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); + +double CalcFrameSsim(const uint8* src_a, int stride_a, + const uint8* src_b, int stride_b, + int width, int height); + +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 |