#include "DvppDecoder.h"
#include "DvppSourceManager.h"


struct Vdec_CallBack_UserData {
    uint64_t frameId;
    unsigned long long frame_nb;
    long startTime;
    long sendTime;
    // void* vdecOutputBuf;
	DvppDecoder* self;
    Vdec_CallBack_UserData() {
        frameId = 0;
        frame_nb = 0;
    }
};

DvppDecoder::DvppDecoder(){
    m_read_thread = 0;
    m_cached_mem = nullptr;

    fmt_ctx = nullptr;
	m_bRunning = false;

	stream = nullptr;
    video_index = -1;
    pix_fmt = AV_PIX_FMT_NONE;
    m_dec_name = "";

	m_bPause = false;
	m_bReal = true;

	m_bFinished = false;
	m_dec_keyframe = false;
	m_fps = 0.0;

    m_bSnapShoting = false;
}

DvppDecoder::~DvppDecoder(){
}

bool DvppDecoder::init(FFDecConfig cfg){

    m_dec_name = cfg.dec_name;

    AVCodecContext* avctx = init_FFmpeg(cfg);
    if(avctx == nullptr){
        return false;
    }

    bool bRet = init_vdpp(cfg, avctx);
    if(!bRet){
        return false;
    }

    m_cfg = cfg;

    decode_finished_cbk = cfg.decode_finished_cbk;

    m_bFinished = false;

    return true;
}

AVCodecContext* DvppDecoder::init_FFmpeg(FFDecConfig config){

#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 9, 100)
    av_register_all();
#endif
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 10, 100)
    avcodec_register_all();
#endif

    avformat_network_init();

	const char* uri = config.uri.c_str();
    fstream infile;
    infile.open(uri, ios::in);
	if (!infile.fail()){
		m_bReal = false;
		infile.close();
	} else {
		m_bReal = true;
	}

	// 打开输入视频文件
	AVDictionary *options = nullptr;
	av_dict_set( &options, "bufsize", "655360", 0 );
	av_dict_set( &options, "rtsp_transport", config.force_tcp ? "tcp" : "udp", 0 );
	av_dict_set( &options, "stimeout", "30000000", 0 ); // 单位为 百万分之一秒
	
    const char* input_file = uri;

    do{
        fmt_ctx = avformat_alloc_context();
        if (avformat_open_input(&fmt_ctx, input_file, nullptr, &options) != 0) {
            LOG_ERROR("[{}]- Cannot open input file: {}", m_dec_name, input_file);
            break;
        }
        av_dump_format(fmt_ctx, 0, input_file, 0);

        // 查找流信息
        if (avformat_find_stream_info(fmt_ctx, nullptr) < 0) {
            LOG_ERROR("[{}]- Cannot find input stream information!", m_dec_name);
            break;
        }

        // 查找视频流信息
        AVCodec *decoder = nullptr;
        video_index = av_find_best_stream(fmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, &decoder, 0);
        if (video_index < 0) {
            LOG_ERROR("[{}]- Cannot find a video stream in the input file!", m_dec_name);
            break;
        }
        AVCodec *vcodec = avcodec_find_decoder(decoder->id);

        avctx = avcodec_alloc_context3(vcodec);
        if(avctx == nullptr){
            LOG_ERROR("[{}]- alloc AVCodecContext failed!", m_dec_name);
            break;
        }
	
		// 得到视频流对象
		AVStream* stream = fmt_ctx->streams[video_index];
		AVCodecParameters *codecpar = stream->codecpar;
		if (avcodec_parameters_to_context(avctx, codecpar) < 0)
			break;

		const AVBitStreamFilter * filter = nullptr;
		if(codecpar->codec_id == AV_CODEC_ID_H264){
			filter = av_bsf_get_by_name("h264_mp4toannexb");
		}else if(codecpar->codec_id == AV_CODEC_ID_HEVC){
			filter = av_bsf_get_by_name("hevc_mp4toannexb");
		}else {
            LOG_ERROR("[{}]- codec_id is not supported!", m_dec_name);
			break;
		}

		int ret = av_bsf_alloc(filter, &h264bsfc);
		if (ret < 0){
			break;
		}
		
		avcodec_parameters_copy(h264bsfc->par_in, codecpar);
		av_bsf_init(h264bsfc);

		frame_width = codecpar->width;
		frame_height = codecpar->height;
		pix_fmt = (AVPixelFormat)codecpar->format;
		m_fps = av_q2d(stream ->avg_frame_rate);

#ifdef USE_VILLAGE
        bool bRet = m_recoderManager.init(stream, avctx);
        if (!bRet){
            LOG_ERROR("[{}]- m_recoderManager 初始化失败!", m_dec_name);
        }  
#endif

        LOG_INFO("[{}]- init ffmpeg success! input:{} frame_width:{} frame_height:{} fps:{} ", m_dec_name, input_file, frame_width, frame_height, m_fps);

		return avctx;
	}while(0);

    release_ffmpeg();

    LOG_ERROR("[{}]- init ffmpeg failed ! input:{} ", m_dec_name, input_file);

    return nullptr;
}

 bool DvppDecoder::init_vdpp(FFDecConfig cfg, AVCodecContext* avctx) {

    LOG_INFO("[{}]- Init device start...", m_dec_name);

    m_dvpp_deviceId = atoi(cfg.gpuid.c_str());
    
    if(avctx->codec_id == AV_CODEC_ID_H264){
        // 66：Baseline，77：Main，>=100：High
        if(avctx->profile == 77){
            enType = H264_MAIN_LEVEL;
        }else if(avctx->profile < 77){
            enType = H264_BASELINE_LEVEL;
        }else{
            enType = H264_HIGH_LEVEL;
        }
    }else if(avctx->codec_id == AV_CODEC_ID_HEVC){
        // h265只有main
        enType = H265_MAIN_LEVEL;
    }else {
        LOG_ERROR("[{}]- codec_id is not supported!", m_dec_name);
        return false;
    }

    post_decoded_cbk = cfg.post_decoded_cbk;

    do{
        aclError ret = aclrtSetDevice(m_dvpp_deviceId);
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]-aclrtSetDevice failed !", m_dec_name);
            return false;
        }

        ret = aclrtCreateContext(&m_context, m_dvpp_deviceId);
        if (ret != ACL_ERROR_NONE) {
            LOG_ERROR("[{}]-aclrtCreateContext failed !", m_dec_name);
            return false;
        }

        // DvppSourceManager 创建时包含 aclInit，析构时包含 aclFinalize
        DvppSourceManager* pSrcMgr = DvppSourceManager::getInstance();
        m_dvpp_channel = pSrcMgr->getChannel(m_dvpp_deviceId);
        if(m_dvpp_channel < 0){
            LOG_ERROR("[{}]-该设备channel已经用完了!", m_dec_name);
            return false;
        }
        m_vdec_out_size = avctx->width * avctx->height * 3 / 2;

        LOG_INFO("[{}]- init vdpp success! device:{} channel:{}", m_dec_name, m_dvpp_deviceId, m_dvpp_channel);
        return true;
    }while(0);

    release_dvpp();

    return false;
}

bool DvppDecoder::isSurport(FFDecConfig& cfg){
    return true;
}

bool DvppDecoder::start(){
    m_bRunning = true;

	pthread_create(&m_read_thread,0,
        [](void* arg)
        {
            DvppDecoder* a=(DvppDecoder*)arg;
            a->read_thread();
            return (void*)0;
        }
    ,this);

	return true;
}

void DvppDecoder::close(){
    m_bRunning=false;

	if(m_read_thread != 0){
		pthread_join(m_read_thread,0);
	}
}

void DvppDecoder::setPostDecArg(const void* postDecArg){
    m_postDecArg = postDecArg;
}

void DvppDecoder::setFinishedDecArg(const void* finishedDecArg){
    m_finishedDecArg = finishedDecArg;
}

void DvppDecoder::pause(){
    m_bPause = true;
}

void DvppDecoder::resume(){
    m_bPause = false;
}

void DvppDecoder::setDecKeyframe(bool bKeyframe){
    m_dec_keyframe = bKeyframe;
}

bool DvppDecoder::isRunning(){
    return m_bRunning;
}

bool DvppDecoder::isFinished(){
    return m_bFinished;
}

bool DvppDecoder::isPausing(){
    return m_bPause;
}

bool DvppDecoder::getResolution(int &width, int &height){
    width = frame_width;
	height = frame_height;
	return true;
}

float DvppDecoder::fps(){
    return m_fps;
}

DeviceMemory* DvppDecoder::snapshot(){
    // 注意内部有锁
    // 开始抓拍
    m_bSnapShoting = true;

    std::unique_lock<std::mutex> locker(m_cached_mutex);
    while (m_cached_mem == nullptr)
        m_cached_cond.wait_for(locker, std::chrono::seconds(1)); // Unlock mutex and wait to be notified
    locker.unlock();

    DeviceMemory* mem = m_cached_mem;
    m_cached_mem = nullptr;

    return mem;
}

int DvppDecoder::getCachedQueueLength(){
    return 0;
}

void DvppDecoder::release_ffmpeg() {
	m_dec_keyframe = false;
	if(h264bsfc){
		av_bsf_free(&h264bsfc);
		h264bsfc = nullptr;
	}
	if (fmt_ctx){
		avformat_close_input(&fmt_ctx);
		fmt_ctx = nullptr;
	}
    if(avctx){
        avcodec_free_context(&avctx);
        avctx = nullptr;
    }
}

void DvppDecoder::read_thread() {

    int frame_count = 0;
	int ret = -1;

    m_bExitDecodeThd = false;
    pthread_t m_decode_thread;
    pthread_create(&m_decode_thread,0,
        [](void* arg)
        {
            DvppDecoder* a=(DvppDecoder*)arg;
            a->decode_thread();
            return (void*)0;
        }
    ,this);

    AVPacket* pkt = nullptr;
    unsigned long long frame_nb = 0;
	while (m_bRunning){

		if (!m_bReal){
			if (m_bPause){
				std::this_thread::sleep_for(std::chrono::milliseconds(3));
				continue;
			}
		}

        m_pktQueue_mutex.lock();
        if(m_pktQueue.size() > 10){
            m_pktQueue_mutex.unlock();
            std::this_thread::sleep_for(std::chrono::milliseconds(5));
            continue;
        }
        m_pktQueue_mutex.unlock();

		pkt = av_packet_alloc();
		av_init_packet( pkt );

		int result = av_read_frame(fmt_ctx, pkt);
		if (result == AVERROR_EOF || result < 0){
			av_packet_free(&pkt);
            pkt = nullptr;
            LOG_ERROR("[{}]- Failed to read frame!", m_dec_name);
			break;
		}

		if (m_dec_keyframe && !(pkt->flags & AV_PKT_FLAG_KEY)) {
			av_packet_free(&pkt);
            pkt = nullptr;
			continue;
		}

		if (video_index == pkt->stream_index){

            ret = av_bsf_send_packet(h264bsfc, pkt);
            if(ret < 0) {
                LOG_ERROR("[{}]- av_bsf_send_packet error!", m_dec_name);
                av_packet_free(&pkt);
                pkt = nullptr;
                continue;
            }

            bool bPushed = false;
            while ((ret = av_bsf_receive_packet(h264bsfc, pkt)) == 0) {
                if(pkt->size > g_pkt_size){
                    LOG_ERROR("[{}]- pkt size 大于最大预设值!", m_dec_name);
					break;
                }

				if(!m_bRunning){
					break;
				}

                frame_nb++;
#ifdef USE_VILLAGE
                m_recoderManager.cache_pkt(pkt, frame_nb);
#endif

                m_pktQueue_mutex.lock();
                DataPacket* data_pkt = new DataPacket();
                data_pkt->pkt = pkt;
                data_pkt->frame_nb = frame_nb;
                m_pktQueue.push(data_pkt);
                m_pktQueue_mutex.unlock();

                bPushed = true;
                frame_count++;
            }

            if(!bPushed){
                av_packet_free(&pkt);
                pkt = nullptr;
            }
		} else {
			// 音频等其他分量的情形
			av_packet_free(&pkt);
            pkt = nullptr;
		}
	}

    while(m_bRunning && m_pktQueue.size() > 0) {
        std::this_thread::sleep_for(std::chrono::milliseconds(5));
    }

    m_bExitDecodeThd = true;
	if(m_decode_thread != 0){
		pthread_join(m_decode_thread,0);
	}

    m_pktQueue_mutex.lock();
    while(m_pktQueue.size() > 0){
        DataPacket* data_pkt = m_pktQueue.front();
        delete data_pkt;
        data_pkt = nullptr;
        m_pktQueue.pop();
    }
    m_pktQueue_mutex.unlock();

    m_bRunning=false;

    if(decode_finished_cbk) {
        decode_finished_cbk(m_finishedDecArg);
    }

    m_recoderManager.close();

    LOG_INFO("[{}]- read thread exit.", m_dec_name);
	m_bFinished = true;
    release_ffmpeg();
}

static void *ReportThd(void *arg)
{
    DvppDecoder *self = (DvppDecoder *)arg;
	if(nullptr != self){
		self->doProcessReport();
	}
    return (void *)0;
}

void DvppDecoder::doProcessReport(){

    aclError ret = aclrtSetDevice(m_dvpp_deviceId);
    if(ret != ACL_ERROR_NONE){
        // cout << "aclrtSetDevice failed" << endl;
        LOG_ERROR("aclrtSetDevice failed !");
        return ;
    }

    aclrtContext ctx;
    ret = aclrtCreateContext(&ctx, m_dvpp_deviceId);
    if (ret != ACL_ERROR_NONE) {
        // cout << "aclrtCreateContext failed " << endl;
        LOG_ERROR("aclrtCreateContext failed !");
        return ;
    }

	CHECK_AND_RETURN_NOVALUE(aclrtSetCurrentContext(ctx), "aclrtSetCurrentContext failed");
    // 阻塞等待vdec线程开始

    while (!m_bExitReportThd) {
        aclrtProcessReport(1000);
    }

    ret = aclrtDestroyContext(ctx);
    if(ret != ACL_ERROR_NONE){
        LOG_ERROR("aclrtDestroyContext failed !");
    }
    LOG_INFO("doProcessReport exit.");
}

static void VdecCallback(acldvppStreamDesc *input, acldvppPicDesc *output, void *pUserData)
{
	Vdec_CallBack_UserData *userData = (Vdec_CallBack_UserData *) pUserData;
    if(nullptr != userData){
        DvppDecoder* self = userData->self;
        if(self != nullptr){

            self->doVdppVdecCallBack(input, output, userData->frame_nb);
        }
        delete userData;
	    userData = nullptr;
    }
}


static long get_cur_time_ms() {
    chrono::time_point<chrono::system_clock, chrono::milliseconds> tpMicro
        = chrono::time_point_cast<chrono::milliseconds>(chrono::system_clock::now());
    return tpMicro.time_since_epoch().count();
}

void DvppDecoder::doVdppVdecCallBack(acldvppStreamDesc *input, acldvppPicDesc *output, unsigned long long frame_nb){

    m_vdecQueue_mutex.lock();
    if(m_vdecQueue.size() > 0){
        void* inputData = m_vdecQueue.front();
        acldvppFree(inputData);
        inputData = nullptr;
        m_vdecQueue.pop();
    }
    m_vdecQueue_mutex.unlock();


    CHECK_AND_RETURN_NOVALUE(aclrtSetCurrentContext(m_context), "aclrtSetCurrentContext failed");

    void *outputDataDev = acldvppGetPicDescData(output);
    uint32_t outputSize = acldvppGetPicDescSize(output);
    uint32_t width = acldvppGetPicDescWidth(output);
    uint32_t width_stride = acldvppGetPicDescWidthStride(output);
    uint32_t height = acldvppGetPicDescHeight(output);
    uint32_t height_stride = acldvppGetPicDescHeightStride(output);

    do{
        int ret = acldvppGetPicDescRetCode(output);
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]- decode result error, retCode:{} ", m_dec_name, ret);
            acldvppFree(outputDataDev);
            outputDataDev = nullptr;
            break;
        }

        bool bCached = false;

        if(width > 0 && height > 0 && outputSize > 0){
            if (!m_bReal) {
                while(m_bRunning) {
                    // 非实时流，即为文件情形，因为不存在花屏问题，为保证不丢帧，这里做个循环等待
                    m_decoded_data_queue_mtx.lock();
                    if(m_decoded_data_queue.size() > 5){
                        m_decoded_data_queue_mtx.unlock();
                        std::this_thread::sleep_for(std::chrono::milliseconds(5));
                        continue;
                    }
                    m_decoded_data_queue_mtx.unlock();
                    break;
                }
            }
            
            // cout << m_dec_name << " 解码时间间隔： " << get_cur_time_ms() - last_ts << endl;
            // last_ts = get_cur_time_ms();

            // 换成解码后数据， 这里这样做的是为了保证解码一直持续进行，避免后续操作阻碍文件读取和解码从而导致花屏
            m_decoded_data_queue_mtx.lock();
            if(m_decoded_data_queue.size() <= 5) {
                DvppDataMemory* mem = new DvppDataMemory(width, width_stride, height, height_stride, outputSize, m_dec_name, to_string(m_dvpp_deviceId), false, frame_nb, (unsigned char *)outputDataDev);
                if(mem){
                    m_decoded_data_queue.push(mem);
                    bCached = true;
                }
            }
            m_decoded_data_queue_mtx.unlock();

            if(m_bSnapShoting){
                // 缓存snapshot
                std::unique_lock<std::mutex> locker(m_cached_mutex);
                
                m_cached_mem  = new DvppDataMemory(-1, width, width_stride, height, height_stride, outputSize, m_dec_name, to_string(m_dvpp_deviceId), false, 0);
                if(m_cached_mem != nullptr){
                    aclrtMemcpy(m_cached_mem->getMem(), outputSize, (unsigned char *)outputDataDev, outputSize, ACL_MEMCPY_DEVICE_TO_DEVICE);
                }

                locker.unlock();
                m_cached_cond.notify_one();
                m_bSnapShoting = false;
            }
            
        } 
        
        if(!bCached) {
            LOG_WARN("[{}]- decode result warning, width:{} width_stride:{} height:{} height_stride:{} size:{}", m_dec_name, width, width_stride, height, height_stride, outputSize);
            acldvppFree(outputDataDev);
            outputDataDev = nullptr;
        }
    }while(0);

	CHECK_AND_RETURN_NOVALUE(acldvppDestroyStreamDesc(input), "acldvppDestroyStreamDesc failed");
	CHECK_AND_RETURN_NOVALUE(acldvppDestroyPicDesc(output), "acldvppDestroyPicDesc failed");
}

void DvppDecoder::decode_thread(){

    long startTime = UtilTools::get_cur_time_ms();

	int ret = -1;

    m_bExitReportThd = false;
	pthread_t report_thread;
	ret = pthread_create(&report_thread, nullptr, ReportThd, (void *)this);
	if(ret != 0){
        LOG_ERROR("[{}]- pthread_create failed", m_dec_name);
		return;
	}

    m_bExitDisplayThd = false;
    pthread_t display_thread;
    pthread_create(&display_thread,0,
        [](void* arg)
        {
            DvppDecoder* a=(DvppDecoder*)arg;
            a->display_thread();
            return (void*)0;
        }
    ,this);

    aclrtSetDevice(m_dvpp_deviceId);
    aclrtContext ctx;
    ret = aclrtCreateContext(&ctx, m_dvpp_deviceId);
    if (ret != ACL_ERROR_NONE) {
        // cout << "aclrtCreateContext failed " << endl;
        LOG_ERROR("aclrtCreateContext failed !");
        return ;
    }

    // 创建aclvdecChannelDesc类型的数据
    aclvdecChannelDesc *vdecChannelDesc = aclvdecCreateChannelDesc();
    if (vdecChannelDesc == nullptr) { 
        LOG_ERROR("[{}]- aclvdecCreateChannelDesc failed", m_dec_name);
		return;
	}
    do{
        // 创建 channel dec结构体
        // 通道ID在dvpp层面为0~31
        CHECK_AND_BREAK(aclvdecSetChannelDescChannelId(vdecChannelDesc, m_dvpp_channel), "aclvdecSetChannelDescChannelId failed");
        CHECK_AND_BREAK(aclvdecSetChannelDescThreadId(vdecChannelDesc, report_thread), "aclvdecSetChannelDescThreadId failed");
        CHECK_AND_BREAK(aclvdecSetChannelDescCallback(vdecChannelDesc, VdecCallback), "aclvdecSetChannelDescCallback failed");
        CHECK_AND_BREAK(aclvdecSetChannelDescEnType(vdecChannelDesc, enType), "aclvdecSetChannelDescEnType failed");
        CHECK_AND_BREAK(aclvdecSetChannelDescOutPicFormat(vdecChannelDesc, PIXEL_FORMAT_YUV_SEMIPLANAR_420), "aclvdecSetChannelDescOutPicFormat failed");
        CHECK_AND_BREAK(aclvdecCreateChannel(vdecChannelDesc), "aclvdecCreateChannel failed");

        uint64_t frame_count = 0;
        bool bBreak = false;
        while (!m_bExitDecodeThd) {
            if (m_bPause){
                std::this_thread::sleep_for(std::chrono::milliseconds(3));
                continue;
            }
            int ret = sentFrame(vdecChannelDesc, frame_count);
            if(ret == 2){
                bBreak = true;
                break;
            }else if(ret == 1){
                continue;
            }
            
            frame_count++;
        }

        // 尽量保证数据全部解码完成
        int sum = 0;
        if(!bBreak){
            aclrtSetDevice(m_dvpp_deviceId);
            aclrtSetCurrentContext(ctx);
            while(m_pktQueue.size() > 0){
                int ret = sentFrame(vdecChannelDesc, frame_count);
                if(ret == 2){
                    break;
                }
                std::this_thread::sleep_for(std::chrono::milliseconds(3));
                sum++;
                if(sum > 40){
                    // 避免卡死
                    break;
                }
            }
        }
        
        sendVdecEos(vdecChannelDesc);

        CHECK_NOT_RETURN(aclvdecDestroyChannel(vdecChannelDesc), "aclvdecDestroyChannel failed");
    }while(0);

    // 退出 report thread
    while(m_bRunning && m_vdecQueue.size() > 0) {
        std::this_thread::sleep_for(std::chrono::milliseconds(5));
    }
    CHECK_NOT_RETURN(aclvdecDestroyChannelDesc(vdecChannelDesc), "aclvdecDestroyChannelDesc failed");
	// report_thread 需后于destroy退出
    m_bExitReportThd = true;
	CHECK_NOT_RETURN(pthread_join(report_thread, nullptr), "report_thread join failed");

    // 退出 display thread
    while(m_bRunning && m_decoded_data_queue.size() > 0) {
        std::this_thread::sleep_for(std::chrono::milliseconds(5));
    }
    m_bExitDisplayThd = true;
    CHECK_NOT_RETURN(pthread_join(display_thread, nullptr), "display_thread join failed");

    // 最后清理一遍未解码的数据
    m_vdecQueue_mutex.lock();
    while(m_vdecQueue.size() > 0){
        void* inputData = m_vdecQueue.front();
        acldvppFree(inputData);
        inputData = nullptr;
        m_vdecQueue.pop();
    }
    m_vdecQueue_mutex.unlock();

    release_dvpp();

    ret = aclrtDestroyContext(ctx);
    if(ret != ACL_ERROR_NONE){
        LOG_ERROR("aclrtDestroyContext failed !");
    }

    LOG_INFO("[{}]- decode thread exit.", m_dec_name);
}

int DvppDecoder::sentFrame(aclvdecChannelDesc *vdecChannelDesc, uint64_t frame_count){

    // 此处需要判断 m_vdecQueue 队列长度，避免占用过多显存
    m_vdecQueue_mutex.lock();
    if(m_vdecQueue.size() > 20){
        m_vdecQueue_mutex.unlock();
        std::this_thread::sleep_for(std::chrono::milliseconds(2));
        return 1;
    }
    m_vdecQueue_mutex.unlock();

    DataPacket * data_pkt = nullptr;
    m_pktQueue_mutex.lock();
    if(m_pktQueue.size() <= 0){
        m_pktQueue_mutex.unlock();
        std::this_thread::sleep_for(std::chrono::milliseconds(10));
        return 1;
    }
    data_pkt = m_pktQueue.front();
    m_pktQueue.pop();
    m_pktQueue_mutex.unlock();
    
    // 解码
    void *vdecInputbuf = nullptr;
    int ret = acldvppMalloc((void **)&vdecInputbuf, g_pkt_size);
    if(ACL_ERROR_NONE != ret){
        LOG_ERROR("[{}]- acldvppMalloc failed!, ret:{}", m_dec_name, ret);
        delete data_pkt;
        data_pkt = nullptr;
        return 2;
    }

    AVPacket* pkt = data_pkt->pkt;
    ret = aclrtMemcpy(vdecInputbuf, pkt->size, pkt->data, pkt->size, ACL_MEMCPY_HOST_TO_DEVICE);
    if(ACL_ERROR_NONE != ret){
        LOG_ERROR("[{}]- aclrtMemcpy failed", m_dec_name);
        delete data_pkt;
        data_pkt = nullptr;
        return 2;
    }

    void *vdecOutputBuf = nullptr;
    ret = acldvppMalloc((void **)&vdecOutputBuf, m_vdec_out_size);
    if(ret != ACL_ERROR_NONE){
        LOG_ERROR("[{}]- acldvppMalloc failed", m_dec_name);
        delete data_pkt;
        data_pkt = nullptr;
        return 2;
    }

    acldvppStreamDesc *input_stream_desc = nullptr;
    acldvppPicDesc *output_pic_desc = nullptr;
    do{
        input_stream_desc = acldvppCreateStreamDesc();
        if (input_stream_desc == nullptr) { 
            LOG_ERROR("[{}]- acldvppCreateStreamDesc failed", m_dec_name);
            break;
        }
        output_pic_desc = acldvppCreatePicDesc();
        if (output_pic_desc == nullptr) { 
            LOG_ERROR("[{}]- acldvppCreatePicDesc failed", m_dec_name);
            break;
        }
        CHECK_AND_BREAK(acldvppSetStreamDescData(input_stream_desc, vdecInputbuf), "acldvppSetStreamDescData failed");
        CHECK_AND_BREAK(acldvppSetStreamDescSize(input_stream_desc, pkt->size), "acldvppSetStreamDescSize failed");
        CHECK_AND_BREAK(acldvppSetPicDescData(output_pic_desc, vdecOutputBuf), "acldvppSetPicDescData failed");
        CHECK_AND_BREAK(acldvppSetPicDescSize(output_pic_desc, m_vdec_out_size), "acldvppSetPicDescSize failed");
        
        Vdec_CallBack_UserData *user_data = NULL;
        user_data = new Vdec_CallBack_UserData;
        user_data->frameId = frame_count;
        user_data->frame_nb = data_pkt->frame_nb;
        // user_data->startTime = startTime;
        user_data->sendTime = UtilTools::get_cur_time_ms();
        user_data->self = this;

        m_vdecQueue_mutex.lock();
        ret = aclvdecSendFrame(vdecChannelDesc, input_stream_desc, output_pic_desc, nullptr, reinterpret_cast<void *>(user_data));
        delete data_pkt;
        data_pkt = nullptr;
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]- aclvdecSendFrame failed", m_dec_name);
            m_vdecQueue_mutex.unlock();
            delete user_data;
            user_data = nullptr;
            break;
        }

        m_vdecQueue.push(vdecInputbuf);
        m_vdecQueue_mutex.unlock();

        return 0;
    }while (0);

    if(data_pkt != nullptr){
        delete data_pkt;
        data_pkt = nullptr;
    }

    if (vdecInputbuf){
        acldvppFree(vdecInputbuf);
        vdecInputbuf = nullptr;
    }

    // 报错情形
    if(input_stream_desc){
        CHECK_NOT_RETURN(acldvppDestroyStreamDesc(input_stream_desc), "acldvppDestroyStreamDesc failed");
    }

    if (vdecOutputBuf){
        acldvppFree(vdecOutputBuf);
	    vdecOutputBuf = nullptr;
    }

    if(output_pic_desc){
        CHECK_NOT_RETURN(acldvppDestroyPicDesc(output_pic_desc), "acldvppDestroyPicDesc failed");
    }

    return 1;
}

bool DvppDecoder::sendVdecEos(aclvdecChannelDesc *vdecChannelDesc) {
    // create stream desc
    acldvppStreamDesc *streamInputDesc = acldvppCreateStreamDesc();
    if (streamInputDesc == nullptr) {
        LOG_ERROR("[{}]- fail to create input stream desc", m_dec_name);
        return false;
    }
    aclError ret = acldvppSetStreamDescEos(streamInputDesc, 1);
    if (ret != ACL_SUCCESS) {
        LOG_ERROR("[{}]- fail to set eos for stream desc, errorCode = {}", m_dec_name, static_cast<int32_t>(ret));
        (void)acldvppDestroyStreamDesc(streamInputDesc);
        return false;
    }

    // send vdec eos frame. when all vdec callback are completed, aclvdecSendFrame can be returned.
    LOG_INFO("[{}]- send eos", m_dec_name);
    ret = aclvdecSendFrame(vdecChannelDesc, streamInputDesc, nullptr, nullptr, nullptr);
    (void)acldvppDestroyStreamDesc(streamInputDesc);
    if (ret != ACL_SUCCESS) {
        LOG_ERROR("[{}]- fail to send eos frame, ret={}", m_dec_name, ret);
        return false;
    }

    return true;
}

void DvppDecoder::display_thread(){
    LOG_INFO("[{}]- display_thread start...", m_dec_name);
    while(!m_bExitDisplayThd) {
        m_decoded_data_queue_mtx.lock();
        if(m_decoded_data_queue.size() <= 0) {
            m_decoded_data_queue_mtx.unlock();
            std::this_thread::sleep_for(std::chrono::milliseconds(5));
            continue;
        }
        DvppDataMemory* mem = m_decoded_data_queue.front();
        m_decoded_data_queue.pop();
        m_decoded_data_queue_mtx.unlock();

        if(post_decoded_cbk) {
            post_decoded_cbk(m_postDecArg, mem);
        } else {
            delete mem;
            mem = nullptr;
        }
    }

    while (m_decoded_data_queue.size() > 0){
        DvppDataMemory* mem = m_decoded_data_queue.front();
        m_decoded_data_queue.pop();
        delete mem;
        mem = nullptr;
    }
    
    LOG_INFO("[{}]- display_thread exit.", m_dec_name);
}

void DvppDecoder::release_dvpp(){
    if(m_context){
        aclError ret = aclrtDestroyContext(m_context);
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]- aclrtDestroyContext failed !", m_dec_name);
        }
    }
    
    DvppSourceManager* pSrcMgr = DvppSourceManager::getInstance();
	pSrcMgr->releaseChannel(m_dvpp_deviceId, m_dvpp_channel);
}

void DvppDecoder::doRecode(RecoderInfo& recoderInfo) {
    m_recoderManager.create_recode_task(recoderInfo);
}

void DvppDecoder::set_mq_callback(mq_callback_t cb) {
    m_recoderManager.set_mq_callback(cb);
}