Files
deepstream_yolo/nvdsinfer_custom_impl_Yolo/layers/shuffle_layer.cpp
2022-07-24 18:00:47 -03:00

124 lines
3.8 KiB
C++

/*
* Created by Marcos Luciano
* https://www.github.com/marcoslucianops
*/
#include "shuffle_layer.h"
nvinfer1::ITensor* shuffleLayer(
int layerIdx,
std::string& layer,
std::map<std::string, std::string>& block,
nvinfer1::ITensor* input,
std::vector<nvinfer1::ITensor*> tensorOutputs,
nvinfer1::INetworkDefinition* network)
{
nvinfer1::ITensor* output;
assert(block.at("type") == "shuffle");
nvinfer1::IShuffleLayer* shuffle = network->addShuffle(*input);
assert(shuffle != nullptr);
std::string shuffleLayerName = "shuffle_" + std::to_string(layerIdx);
shuffle->setName(shuffleLayerName.c_str());
if (block.find("reshape") != block.end())
{
std::string strReshape = block.at("reshape");
std::vector<int32_t> reshape;
size_t lastPos = 0, pos = 0;
while ((pos = strReshape.find(',', lastPos)) != std::string::npos)
{
int vL = std::stoi(trim(strReshape.substr(lastPos, pos - lastPos)));
reshape.push_back(vL);
lastPos = pos + 1;
}
if (lastPos < strReshape.length())
{
std::string lastV = trim(strReshape.substr(lastPos));
if (!lastV.empty())
reshape.push_back(std::stoi(lastV));
}
assert(!reshape.empty());
int from = -1;
if (block.find("from") != block.end())
from = std::stoi(block.at("from"));
if (from < 0)
from = tensorOutputs.size() + from;
layer = std::to_string(from);
nvinfer1::Dims inputTensorDims = tensorOutputs[from]->getDimensions();
int32_t l = inputTensorDims.d[1] * inputTensorDims.d[2];
nvinfer1::Dims reshapeDims;
reshapeDims.nbDims = reshape.size();
for (uint i = 0; i < reshape.size(); ++i)
if (reshape[i] == 0)
reshapeDims.d[i] = l;
else
reshapeDims.d[i] = reshape[i];
shuffle->setReshapeDimensions(reshapeDims);
}
if (block.find("transpose1") != block.end())
{
std::string strTranspose1 = block.at("transpose1");
std::vector<int32_t> transpose1;
size_t lastPos = 0, pos = 0;
while ((pos = strTranspose1.find(',', lastPos)) != std::string::npos)
{
int vL = std::stoi(trim(strTranspose1.substr(lastPos, pos - lastPos)));
transpose1.push_back(vL);
lastPos = pos + 1;
}
if (lastPos < strTranspose1.length())
{
std::string lastV = trim(strTranspose1.substr(lastPos));
if (!lastV.empty())
transpose1.push_back(std::stoi(lastV));
}
assert(!transpose1.empty());
nvinfer1::Permutation permutation1;
for (uint i = 0; i < transpose1.size(); ++i)
permutation1.order[i] = transpose1[i];
shuffle->setFirstTranspose(permutation1);
}
if (block.find("transpose2") != block.end())
{
std::string strTranspose2 = block.at("transpose2");
std::vector<int32_t> transpose2;
size_t lastPos = 0, pos = 0;
while ((pos = strTranspose2.find(',', lastPos)) != std::string::npos)
{
int vL = std::stoi(trim(strTranspose2.substr(lastPos, pos - lastPos)));
transpose2.push_back(vL);
lastPos = pos + 1;
}
if (lastPos < strTranspose2.length())
{
std::string lastV = trim(strTranspose2.substr(lastPos));
if (!lastV.empty())
transpose2.push_back(std::stoi(lastV));
}
assert(!transpose2.empty());
nvinfer1::Permutation permutation2;
for (uint i = 0; i < transpose2.size(); ++i)
permutation2.order[i] = transpose2[i];
shuffle->setSecondTranspose(permutation2);
}
output = shuffle->getOutput(0);
return output;
}