USB_UVC_DETECT/MppDecoder/MppManager.cpp

#include "MppManager.h"
#include "../DataManager/DataManager.h"
#include "../DataManager/DataPackage.h"
#include "../RGAColorTransfer/RgaColorTransfer.h"
#include <thread>
#include "../ImageTest/ImageTest.h"
// ...existing code...

MppManager::~MppManager()
{
    for (auto &thread : m_threads)
    {
        m_threadSwitch = false;
        if (thread.joinable())
        {
            thread.join();
        }
    }
}

void MppManager::addMppDecode()
{
    m_threads.emplace_back(&MppManager::decodeThread, this);
    m_threads.emplace_back(&MppManager::decodeThread, this);
    m_threads.emplace_back(&MppManager::decodeThread, this);
}

void MppManager::decodeThread()
{
    MppDecoder decoder;
    decoder.init();
    RgaColorTransfer colorTransfer;
    unsigned char *rgbData = nullptr;
    int width = 0, height = 0;
    m_threadSwitch = true;
    int index = decoder.getDecodeIndex();
    DataManager::getInstance().addDataPipe<DataPackagePtr>("resized" + std::to_string(index));
    while (m_threadSwitch)
    {
        DataPackagePtr dataPackage = nullptr;
        if (DataManager::getInstance().popData("uvc" + std::to_string(index), dataPackage))
        {
            decoder.decodeJpegToRgb((const char *)dataPackage->pJpegData, dataPackage->nJpegSize, (unsigned char **)&dataPackage->pRGBData, &width, &height);
            if (width != dataPackage->nWidth || height != dataPackage->nHeight)
            {
                std::cerr << "the decode result is different from defined !!" << std::endl;
            }

            // color transfer
            resize_image(dataPackage->pRGBData, width, height, dataPackage->pResizeData, dataPackage->nResizeWidth, dataPackage->nResizeHeight);

            // ImageTest::saveImageFromData((unsigned char *)dataPackage->pResizeData, dataPackage->nResizeWidth, dataPackage->nResizeHeight);

            // push data to the next pipe
            DataManager::getInstance().pushData("resized" + std::to_string(index), dataPackage);
        }

        // delay 10ms
        std::this_thread::sleep_for(std::chrono::milliseconds(10));
    }
    // 释放资源
    if (rgbData)
    {
        delete[] rgbData;
    }
    DataManager::getInstance().eraseDataPipe("mpp" + std::to_string(index));
}