#include "FFNvDecoderManager.h"
#include <iostream>

#include "cuda_kernels.h"

#include "NvJpegEncoder.h"

unsigned char *pHwRgb = nullptr;

/**
 * 注意： gpuFrame 在解码器设置的显卡上，后续操作要十分注意这一点，尤其是多线程情况
 * */
void postDecoded(const void * userPtr, AVFrame * gpuFrame){
    FFNvDecoder* decoder = (FFNvDecoder*)userPtr;
    if (decoder!= nullptr)
    {
        cout << "decode name: " << decoder->getName() << endl;
        // const char* gpu_pixfmt = av_get_pix_fmt_name((AVPixelFormat)gpuFrame->format);
        // cout << "pixfmt: " << gpu_pixfmt << endl;
        cout << "keyframe: " << gpuFrame->key_frame << " width: " << gpuFrame->width << " height: "<< gpuFrame->height << endl;
        // cout << "decode successed ✿✿ヽ(°▽°)ノ✿ " << endl;

        if (gpuFrame->format == AV_PIX_FMT_CUDA)
        {   
            cout << "gpuid = " << atoi(decoder->m_cfg.gpuid.c_str()) << endl;
            // cudaSetDevice(atoi(decoder->m_cfg.gpuid.c_str()));
            // cudaError_t cudaStatus;
            // if(pHwRgb == nullptr){
            //     cuda_common::setColorSpace2( ITU709, 0 );
            //     cudaStatus = cudaMalloc((void **)&pHwRgb, 3 * gpuFrame->width * gpuFrame->height * sizeof(unsigned char));
            // }
            // cudaStatus = cuda_common::CUDAToBGR((CUdeviceptr)gpuFrame->data[0],(CUdeviceptr)gpuFrame->data[1], gpuFrame->linesize[0], gpuFrame->linesize[1], pHwRgb, gpuFrame->width, gpuFrame->height);
            // cudaDeviceSynchronize();
            // if (cudaStatus != cudaSuccess) {
            //     cout << "CUDAToBGR failed !!!" << endl;
            //     return;
            // }

            // string path = "/home/cmhu/FFNvDecoder/" + decoder->m_cfg.gpuid + ".jpg";
            // saveJpeg(path.c_str(), pHwRgb, gpuFrame->width, gpuFrame->height);  // 验证 CUDAToRGB 
        }
    }
}

void createDecode(int index){
    FFNvDecoderManager* pDecManager = FFNvDecoderManager::getInstance();
    MgrDecConfig config;
    config.name = "dec" + to_string(index);
    config.cfg.uri = "rtsp://176.10.0.4:8554/stream";
    config.cfg.post_decoded_cbk = postDecoded;
    config.cfg.force_tcp = true;
    config.cfg.gpuid = "1";
    FFNvDecoder* decoder = pDecManager->createDecoder(config);
    if (!decoder)
    {
        return ;
    }
    pDecManager->setUserPtr(config.name, decoder);
    pDecManager->startDecodeByName(config.name);
}

int main(){

    FFNvDecoderManager* pDecManager = FFNvDecoderManager::getInstance();

    // for (size_t i = 0; i < 20; i++)
    // {
    //     createDecode(i);
    // }

    MgrDecConfig config;
    config.name = "dec2";
    config.cfg.uri = "/home/cmhu/data/test.mp4";
     config.cfg.post_decoded_cbk = postDecoded;
    config.cfg.force_tcp = true;
    config.cfg.gpuid = "2";
    FFNvDecoder* dec2 = pDecManager->createDecoder(config);
    if (!dec2)
    {
        return 1;
    }
    pDecManager->setUserPtr(config.name, dec2);
    pDecManager->startDecodeByName(config.name);

    
    // config.name = "dec0";
    // config.cfg.uri = "rtmp://192.168.10.56:1935/objecteye/1";
    // config.cfg.gpuid = "0";
    // FFNvDecoder* dec0 = pDecManager->createDecoder(config);
    // if (!dec0)
    // {
    //     return 1;
    // }
    // pDecManager->setUserPtr(config.name, dec0);
    // pDecManager->startDecodeByName(config.name);

    // config.name = "dec01";
    // config.cfg.uri = "rtmp://192.168.10.56:1935/objecteye/1";
    // config.cfg.gpuid = "0";
    // FFNvDecoder* dec01 = pDecManager->createDecoder(config);
    // if (!dec01)
    // {
    //     return 1;
    // }
    // pDecManager->setUserPtr(config.name, dec01);
    // pDecManager->startDecodeByName(config.name);

    // while (getchar() != 'q');  

    // // pDecManager->closeDecoderByName("dec1");
    // // pDecManager->pauseDecoder("dec1");
    // pDecManager->pauseDecoder("dec2");

    // while (getchar() != 'q');

    // // pDecManager->resumeDecoder("dec1");
    // pDecManager->resumeDecoder("dec2");

    while (getchar() != 'q');

    pDecManager->closeAllDecoder();
}