DataConditioner.h

Go to the documentation of this file.

// This code contains NVIDIA Confidential Information and is disclosed
// under the Mutual Non-Disclosure Agreement.
//
// Notice
// ALL NVIDIA DESIGN SPECIFICATIONS AND CODE ("MATERIALS") ARE PROVIDED "AS IS" NVIDIA MAKES
// NO REPRESENTATIONS, WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
//
// NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. No third party distribution is allowed unless
// expressly authorized by NVIDIA.  Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2015-2017 NVIDIA Corporation. All rights reserved.
//
// NVIDIA Corporation and its licensors retain all intellectual property and proprietary
// rights in and to this software and related documentation and any modifications thereto.
// Any use, reproduction, disclosure or distribution of this software and related
// documentation without an express license agreement from NVIDIA Corporation is
// strictly prohibited.
//

#ifndef DW_DATACONDITIONER_H__
#define DW_DATACONDITIONER_H__

#include <dw/core/Context.h>
#include <dw/core/Types.h>
#include <dw/image/Image.h>
#include <dw/dnn/DNNTypes.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef struct dwDataConditionerParams {
    float32_t meanValue[DW_MAX_IMAGE_PLANES];
    const dwImageCUDA *meanImage;
    dwBool splitPlanes;
    float32_t scaleCoefficient;
    dwBool ignoreAspectRatio;
    dwBool doPerPlaneMeanNormalization;
} dwDataConditionerParams;

typedef struct dwDataConditionerObject *dwDataConditionerHandle_t;

DW_API_PUBLIC
dwStatus dwDataConditioner_initParams(dwDataConditionerParams *dataConditionerParams);

DW_API_PUBLIC
dwStatus dwDataConditioner_initialize(dwDataConditionerHandle_t *obj,
                                      const dwBlobSize *networkInputBlobSize,
                                      const dwDataConditionerParams *dataConditionerParams,
                                      cudaStream_t stream, dwContextHandle_t ctx);

DW_API_PUBLIC
dwStatus dwDataConditioner_setCUDAStream(cudaStream_t stream, dwDataConditionerHandle_t obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_getCUDAStream(cudaStream_t *stream, dwDataConditionerHandle_t obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_reset(dwDataConditionerHandle_t obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_release(dwDataConditionerHandle_t *obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_prepareData(float32_t *d_outputImage, const dwImageCUDA * const *inputImages,
                                       uint32_t numImages, const dwRect *roi,
                                       cudaTextureAddressMode addressMode, dwDataConditionerHandle_t obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_getOutputSize(dwBlobSize *outputBlobSize,
                                         dwDataConditionerHandle_t obj);

DW_API_PUBLIC
dwStatus dwDataConditioner_outputPositionToInput(float32_t *outputX, float32_t *outputY,
                                                 float32_t inputX, float32_t inputY, const dwRect *roi,
                                                 dwDataConditionerHandle_t obj);
#ifdef __cplusplus
}
#endif

#endif // DW_DATACONDITIONER_H__