Diff: opencv2/core/ippasync.hpp

Revision:

0:ea44dc9ed014

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+++ b/opencv2/core/ippasync.hpp	Thu Mar 31 21:16:38 2016 +0000
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2015, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Copyright (C) 2015, Itseez Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef __OPENCV_CORE_IPPASYNC_HPP__
+#define __OPENCV_CORE_IPPASYNC_HPP__
+
+#ifdef HAVE_IPP_A
+
+#include "opencv2/core.hpp"
+#include <ipp_async_op.h>
+#include <ipp_async_accel.h>
+
+namespace cv
+{
+
+namespace hpp
+{
+
+/** @addtogroup core_ipp
+This section describes conversion between OpenCV and [Intel&reg; IPP Asynchronous
+C/C++](http://software.intel.com/en-us/intel-ipp-preview) library. [Getting Started
+Guide](http://registrationcenter.intel.com/irc_nas/3727/ipp_async_get_started.htm) help you to
+install the library, configure header and library build paths.
+ */
+//! @{
+
+    //! convert OpenCV data type to hppDataType
+    inline int toHppType(const int cvType)
+    {
+        int depth = CV_MAT_DEPTH(cvType);
+        int hppType = depth == CV_8U ? HPP_DATA_TYPE_8U :
+                     depth == CV_16U ? HPP_DATA_TYPE_16U :
+                     depth == CV_16S ? HPP_DATA_TYPE_16S :
+                     depth == CV_32S ? HPP_DATA_TYPE_32S :
+                     depth == CV_32F ? HPP_DATA_TYPE_32F :
+                     depth == CV_64F ? HPP_DATA_TYPE_64F : -1;
+        CV_Assert( hppType >= 0 );
+        return hppType;
+    }
+
+    //! convert hppDataType to OpenCV data type
+    inline int toCvType(const int hppType)
+    {
+        int cvType = hppType == HPP_DATA_TYPE_8U ? CV_8U :
+                    hppType == HPP_DATA_TYPE_16U ? CV_16U :
+                    hppType == HPP_DATA_TYPE_16S ? CV_16S :
+                    hppType == HPP_DATA_TYPE_32S ? CV_32S :
+                    hppType == HPP_DATA_TYPE_32F ? CV_32F :
+                    hppType == HPP_DATA_TYPE_64F ? CV_64F : -1;
+        CV_Assert( cvType >= 0 );
+        return cvType;
+    }
+
+    /** @brief Convert hppiMatrix to Mat.
+
+    This function allocates and initializes new matrix (if needed) that has the same size and type as
+    input matrix. Supports CV_8U, CV_16U, CV_16S, CV_32S, CV_32F, CV_64F.
+    @param src input hppiMatrix.
+    @param dst output matrix.
+    @param accel accelerator instance (see hpp::getHpp for the list of acceleration framework types).
+    @param cn number of channels.
+     */
+    inline void copyHppToMat(hppiMatrix* src, Mat& dst, hppAccel accel, int cn)
+    {
+        hppDataType type;
+        hpp32u width, height;
+        hppStatus sts;
+
+        if (src == NULL)
+            return dst.release();
+
+        sts = hppiInquireMatrix(src, &type, &width, &height);
+
+        CV_Assert( sts == HPP_STATUS_NO_ERROR);
+
+        int matType = CV_MAKETYPE(toCvType(type), cn);
+
+        CV_Assert(width%cn == 0);
+
+        width /= cn;
+
+        dst.create((int)height, (int)width, (int)matType);
+
+        size_t newSize = (size_t)(height*(hpp32u)(dst.step));
+
+        sts = hppiGetMatrixData(accel,src,(hpp32u)(dst.step),dst.data,&newSize);
+
+        CV_Assert( sts == HPP_STATUS_NO_ERROR);
+    }
+
+    /** @brief Create Mat from hppiMatrix.
+
+    This function allocates and initializes the Mat that has the same size and type as input matrix.
+    Supports CV_8U, CV_16U, CV_16S, CV_32S, CV_32F, CV_64F.
+    @param src input hppiMatrix.
+    @param accel accelerator instance (see hpp::getHpp for the list of acceleration framework types).
+    @param cn number of channels.
+    @sa howToUseIPPAconversion, hpp::copyHppToMat, hpp::getHpp.
+     */
+    inline Mat getMat(hppiMatrix* src, hppAccel accel, int cn)
+    {
+        Mat dst;
+        copyHppToMat(src, dst, accel, cn);
+        return dst;
+    }
+
+    /** @brief Create hppiMatrix from Mat.
+
+    This function allocates and initializes the hppiMatrix that has the same size and type as input
+    matrix, returns the hppiMatrix*.
+
+    If you want to use zero-copy for GPU you should to have 4KB aligned matrix data. See details
+    [hppiCreateSharedMatrix](http://software.intel.com/ru-ru/node/501697).
+
+    Supports CV_8U, CV_16U, CV_16S, CV_32S, CV_32F, CV_64F.
+
+    @note The hppiMatrix pointer to the image buffer in system memory refers to the src.data. Control
+    the lifetime of the matrix and don't change its data, if there is no special need.
+    @param src input matrix.
+    @param accel accelerator instance. Supports type:
+    -   **HPP_ACCEL_TYPE_CPU** - accelerated by optimized CPU instructions.
+    -   **HPP_ACCEL_TYPE_GPU** - accelerated by GPU programmable units or fixed-function
+        accelerators.
+    -   **HPP_ACCEL_TYPE_ANY** - any acceleration or no acceleration available.
+    @sa howToUseIPPAconversion, hpp::getMat
+     */
+    inline hppiMatrix* getHpp(const Mat& src, hppAccel accel)
+    {
+        int htype = toHppType(src.type());
+        int cn = src.channels();
+
+        CV_Assert(src.data);
+        hppAccelType accelType = hppQueryAccelType(accel);
+
+        if (accelType!=HPP_ACCEL_TYPE_CPU)
+        {
+            hpp32u pitch, size;
+            hppQueryMatrixAllocParams(accel, src.cols*cn, src.rows, htype, &pitch, &size);
+            if (pitch!=0 && size!=0)
+                if ((int)(src.data)%4096==0 && pitch==(hpp32u)(src.step))
+                {
+                    return hppiCreateSharedMatrix(htype, src.cols*cn, src.rows, src.data, pitch, size);
+                }
+        }
+
+        return hppiCreateMatrix(htype, src.cols*cn, src.rows, src.data, (hpp32s)(src.step));;
+    }
+
+//! @}
+}}
+
+#endif
+
+#endif
+