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Extracted HAL interfaces for DFT/DCT, added new test

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This commit is contained in:
Maksim Shabunin
2016-01-13 17:23:57 +03:00
parent 5877debb6f
commit 008abd28fd
6 changed files with 1405 additions and 684 deletions
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19
modules/core/include/opencv2/core/hal/hal.hpp
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@@ -187,6 +187,25 @@ CV_EXPORTS void addWeighted32s( const int* src1, size_t step1, const int* src2,
CV_EXPORTS void addWeighted32f( const float* src1, size_t step1, const float* src2, size_t step2, float* dst, size_t step, int width, int height, void* scalars );
CV_EXPORTS void addWeighted64f( const double* src1, size_t step1, const double* src2, size_t step2, double* dst, size_t step, int width, int height, void* scalars );
struct DftContext
{
void * impl;
bool useReplacement;
DftContext() : impl(0), useReplacement(false) {}
};
CV_EXPORTS void dftInit2D(DftContext & c, int _width, int _height, int _depth, int _src_channels, int _dst_channels, int flags, int _nonzero_rows = 0);
CV_EXPORTS void dftRun2D(const DftContext & c, const void * src, int src_step, void * dst, int dst_step);
CV_EXPORTS void dftFree2D(DftContext & c);
CV_EXPORTS void dftInit(DftContext & c, int len, int count, int depth, int flags, bool * useBuffer = 0);
CV_EXPORTS void dftRun(const DftContext & c, const void * src, void * dst);
CV_EXPORTS void dftFree(DftContext & c);
CV_EXPORTS void dctInit(DftContext & c, int width, int height, int depth, int flags);
CV_EXPORTS void dctRun(const DftContext & c, const void * src, int src_step, void * dst, int dst_step);
CV_EXPORTS void dctFree(DftContext & c);
//! @} core_hal
//=============================================================================

10
modules/core/include/opencv2/core/hal/interface.h
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@@ -12,6 +12,16 @@
//! @}
#define CV_HAL_DFT_INVERSE 1
#define CV_HAL_DFT_SCALE 2
#define CV_HAL_DFT_ROWS 4
#define CV_HAL_DFT_COMPLEX_OUTPUT 16
#define CV_HAL_DFT_REAL_OUTPUT 32
#define CV_HAL_DFT_TWO_STAGE 64
#define CV_HAL_DFT_STAGE_COLS 128
#define CV_HAL_DFT_IS_CONTINUOUS 512
#define CV_HAL_DFT_IS_INPLACE 1024
#ifdef __cplusplus
#include <cstddef>
#else