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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) 2013, OpenCV Foundation, all rights reserved.
// Copyright (C) 2017, Intel Corporation, 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*/
#include "../precomp.hpp"
#include "layers_common.hpp"
namespace cv
{
namespace dnn
{
class SplitLayerImpl : public SplitLayer
{
public:
SplitLayerImpl(const LayerParams ¶ms)
{
setParamsFrom(params);
//TODO: maybe "top_count" param is useless because it can be determined by output connections number
if (params.has("top_count"))
{
outputsCount = params.get<int>("top_count");
CV_Assert(outputsCount >= 0);
}
else
{
outputsCount = -1;
}
}
bool getMemoryShapes(const std::vector<MatShape> &inputs,
const int requiredOutputs,
std::vector<MatShape> &outputs,
std::vector<MatShape> &internals) const
{
CV_Assert(inputs.size() == 1);
Layer::getMemoryShapes(inputs, max(1, outputsCount >= 0 ? outputsCount : requiredOutputs),
outputs, internals);
return true;
}
void forward(std::vector<Mat*> &inputs, std::vector<Mat> &outputs, std::vector<Mat> &internals)
{
CV_TRACE_FUNCTION();
CV_TRACE_ARG_VALUE(name, "name", name.c_str());
for (size_t i = 0; i < outputs.size(); i++)
{
CV_Assert(inputs[0]->total() == outputs[i].total());
if (outputs[i].data != inputs[0]->data)
inputs[0]->copyTo(outputs[i]);
}
}
};
Ptr<SplitLayer> SplitLayer::create(const LayerParams& params)
{
return Ptr<SplitLayer>(new SplitLayerImpl(params));
}
}
}