ImageSaveCache.cpp
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#include "ImageSaveCache.h"
#include <algorithm>
#include <cuda_runtime.h>
#include <fstream>
#include <thread>
#include <future>
//std::ofstream osImage("D:\\vptImagelog.txt", std::ofstream::out | std::ofstream::trunc);
void ImageSaveCache::show()
{
size_t count = 1;
for (auto item = mp_key.begin(); item != mp_key.end(); )
{
//osImage << std::unitbuf;
//osImage << item->first.videoID << " " << item->first.objID << " : " << item->second.videoID << " " << item->second.objID << std::endl;
auto unaryPred = [item](std::pair<const OBJ_KEY, FRAME_KEY> & item_key)
{
if (item_key.second == item->second)
{
return true;
}
else
{
return false;
}
};
++item;
if (item == mp_key.end())
break;
if (find_if(item, mp_key.end(), unaryPred) == mp_key.end())
{
++count;
continue;
}
}
//osImage << " tital : " << mp_key.size() << " diff : " << count << std::endl;
}
//#include <fstream>
//std::ofstream os1("./mp_frameSize.txt", std::ofstream::out | std::ofstream::trunc);
void ImageSaveCache::insert(const OBJ_KEY &snaphot_id, const FRAME_KEY & frame_id, const DxGPUFrame & frame)
{
//std::lock_guard<std::mutex> l(tx);
//os1 << std::unitbuf;
auto iterK = mp_key.find(snaphot_id);
if (iterK == mp_key.end())
{
auto unaryF = [&frame_id](std::pair<FRAME_KEY, DxGPUFrame> & item_key)
{
if (item_key.first == frame_id)
{
return true;
}
else
{
return false;
}
};
auto iterF = std::find_if(mp_frame.begin(), mp_frame.end(), unaryF);
if (iterF != mp_frame.end()) //����ô�ͼ�ѱ��棬��ֱ�����Ӹ�����������map
{
mp_key.insert({ snaphot_id, frame_id });
}
else //�����ͼû���棬���´������ݣ������Ӵ�ͼ������
{
auto iterFrame = mp_frame.begin();
for (; iterFrame != mp_frame.end(); ++iterFrame)
{
auto unaryPred = [iterFrame](std::pair<const OBJ_KEY, FRAME_KEY> & item_key)
{
if (item_key.second == iterFrame->first)
{
return true;
}
else
{
return false;
}
};
auto iterKey = std::find_if(mp_key.begin(), mp_key.end(), unaryPred);
if (iterKey == mp_key.end() && iterFrame->second.width == frame.width && iterFrame->second.height == frame.height && iterFrame->second.size == frame.size) //����ô�ͼû���棬���ȱ�����ͼvector,���ijһ����ͼ���ݣ���������map����������ô�ô�ͼ���ݽ�����������
{
cudaError_t cudaStatus = cudaMemcpy(iterFrame->second.frame, frame.frame, IMG_CHANNELS * frame.width * frame.height * sizeof(unsigned char), cudaMemcpyDeviceToHost);
if (cudaStatus != cudaSuccess) {
fprintf(stderr, "here cudaMemcpy failed! error: %s\n", cudaGetErrorString(cudaStatus));
}
iterFrame->second.height = frame.height;
iterFrame->second.width = frame.width;
iterFrame->second.size = frame.size;
iterFrame->first = frame_id;
iterK->second = frame_id;
mp_key.insert({ snaphot_id, frame_id });
return;
}
}
DxGPUFrame dx_frame;
dx_frame.frame = malloc(frame.width * frame.height * IMG_CHANNELS * sizeof(unsigned char));
cudaError_t cudaStatus = cudaMemcpy(dx_frame.frame, frame.frame, IMG_CHANNELS * frame.width * frame.height * sizeof(unsigned char), cudaMemcpyDeviceToHost);
if (cudaStatus != cudaSuccess) {
fprintf(stderr, "here cudaMemcpy failed! error: %s\n", cudaGetErrorString(cudaStatus));
}
dx_frame.height = frame.height;
dx_frame.width = frame.width;
dx_frame.size = frame.size;
mp_frame.push_back({ frame_id, dx_frame });
mp_key.insert({ snaphot_id, frame_id });
}
return;
}
else
{
auto unaryF = [&frame_id](std::pair<FRAME_KEY, DxGPUFrame> & item_key)
{
if (item_key.first == frame_id)
{
return true;
}
else
{
return false;
}
};
auto iterF = std::find_if(mp_frame.begin(), mp_frame.end(), unaryF);
if (iterF != mp_frame.end()) //����ô�ͼ�ѱ��棬��������
{
iterK->second = frame_id;
}
else
{
auto iterFrame = mp_frame.begin();
for (; iterFrame != mp_frame.end(); ++iterFrame)
{
auto iterKey = mp_key.begin();
for ( ;iterKey != mp_key.end(); iterKey++){
if (iterKey->second == iterFrame->first) {
break;
}
}
if (iterKey == mp_key.end()&& iterFrame->second.width == frame.width && iterFrame->second.height == frame.height && iterFrame->second.size == frame.size) //����ô�ͼû���棬���ȱ�����ͼvector,���ijһ����ͼ���ݣ���������map����������ô�ô�ͼ���ݽ�����������
{
cudaError_t cudaStatus = cudaMemcpy(iterFrame->second.frame, frame.frame, IMG_CHANNELS * frame.width * frame.height * sizeof(unsigned char), cudaMemcpyDeviceToHost);
if (cudaStatus != cudaSuccess) {
fprintf(stderr, "here cudaMemcpy failed! error: %s\n", cudaGetErrorString(cudaStatus));
}
iterFrame->second.height = frame.height;
iterFrame->second.width = frame.width;
iterFrame->second.size = frame.size;
iterFrame->first = frame_id;
iterK->second = frame_id;
return;
}
}
DxGPUFrame dx_frame;
dx_frame.frame = malloc(IMG_CHANNELS * frame.width * frame.height * sizeof(unsigned char));
cudaError_t cudaStatus = cudaMemcpy(dx_frame.frame, frame.frame, IMG_CHANNELS * frame.width * frame.height * sizeof(unsigned char), cudaMemcpyDeviceToHost);
if (cudaStatus != cudaSuccess) {
fprintf(stderr, "here cudaMemcpy failed! error: %s\n", cudaGetErrorString(cudaStatus));
}
dx_frame.height = frame.height;
dx_frame.width = frame.width;
dx_frame.size = frame.size;
mp_frame.push_back({ frame_id, dx_frame });
iterK->second = frame_id;
}
return;
}
}
DxGPUFrame* ImageSaveCache::get_frame(const OBJ_KEY &snaphot_id)
{
//std::lock_guard<std::mutex> l(tx);
auto iter = mp_key.find(snaphot_id);
if (iter == mp_key.end())
{
return nullptr;
}
else
{
auto unaryF = [iter](std::pair<FRAME_KEY, DxGPUFrame> & item_key)
{
if (item_key.first == iter->second)
{
return true;
}
else
{
return false;
}
};
auto iterf = std::find_if(mp_frame.begin(), mp_frame.end(), unaryF);
return &iterf->second;
}
}
void ImageSaveCache::release(const OBJ_KEY & snaphot_id)
{
//std::lock_guard<std::mutex> l(tx);
auto iter = mp_key.find(snaphot_id);
if (iter == mp_key.end())
{
return;
}
else
{
auto item = *iter;
mp_key.erase(iter); //ɾ������
auto unaryK = [&item](std::pair<const OBJ_KEY, FRAME_KEY> & item_key)
{
if (item_key.second == item.second)
{
return true;
}
else
{
return false;
}
};
auto iterK = std::find_if(mp_key.begin(), mp_key.end(), unaryK); //���û���������յ����Ŵ�ͼ�Ǹ�ͼƬ����ɾ���ô�ͼ
if (iterK == mp_key.end())
{
auto unaryF = [&item](std::pair<FRAME_KEY, DxGPUFrame> & item_key)
{
if (item_key.first == item.second)
{
return true;
}
else
{
return false;
}
};
auto iterF = std::find_if(mp_frame.begin(), mp_frame.end(), unaryF);
free(iterF->second.frame);
mp_frame.erase(iterF);
}
auto iterFrame = mp_frame.begin();
for (; iterFrame != mp_frame.end();)
{
auto unaryPred = [iterFrame](std::pair<const OBJ_KEY, FRAME_KEY> & item_key)
{
if (item_key.second == iterFrame->first)
{
return true;
}
else
{
return false;
}
};
auto iterKey = std::find_if(mp_key.begin(), mp_key.end(), unaryPred);
if (iterKey == mp_key.end())
{
free(iterFrame->second.frame);
iterFrame = mp_frame.erase(iterFrame);
continue;
}
++iterFrame;
}
return;
}
}