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#pragma once
#include "image.h"
#include <thread>
#include <mutex>
#include "logger.h"
#include "io.h"
namespace image
{
class ImageSavingThread
{
private:
std::thread saving_thread;
std::vector<std::pair<Image, std::string>> queue;
std::mutex queue_mutex;
bool thread_should_run = true;
void actual_saving_thread()
{
while (thread_should_run || queue.size() > 0)
{
queue_mutex.lock();
bool has_images = queue.size() > 0;
queue_mutex.unlock();
if (has_images)
{
queue_mutex.lock();
auto img = queue[0];
queue.erase(queue.begin());
queue_mutex.unlock();
// logger->debug("Queue length %d", queue.size());
logger->info("Saving " + img.second);
save_img(img.first, img.second);
continue;
}
std::this_thread::sleep_for(std::chrono::seconds(1));
}
}
public:
bool use_thread;
public:
ImageSavingThread(bool use_thread) : use_thread(use_thread)
{
if (use_thread)
saving_thread = std::thread(&ImageSavingThread::actual_saving_thread, this);
}
~ImageSavingThread()
{
thread_should_run = false;
if (use_thread && saving_thread.joinable())
saving_thread.join();
}
void push(Image &img, std::string path)
{
if (use_thread)
{
queue_mutex.lock();
queue.push_back({img, path});
queue_mutex.unlock();
}
else
{
logger->info("Saving " + path);
save_img(img, path);
}
}
};
}
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