src/decoder/dvpp/DvppDecoder.cpp

#include "DvppDecoder.h"
#include "DvppSourceManager.h"
#define CHECK_AND_RETURN(ret, message)    \
            if(ret != 0) {LOG_ERROR("[{}]- {}", m_dec_name, message); return ret;}
#define CHECK_NOT_RETURN(ret, message)    \
            if(ret != 0) {LOG_ERROR("[{}]- {}", m_dec_name, message);}
#define CHECK_AND_RETURN_NOVALUE(ret, message)    \
            if(ret != 0) {LOG_ERROR("[{}]- {}", m_dec_name, message); return;}
#define CHECK_AND_BREAK(ret, message)    \
            if(ret != 0) {LOG_ERROR("[{}]- {}", m_dec_name, message); break;}
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;
    }
};
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();
}
static void *ReportThd(void *arg)
{
    DvppDecoder *self = (DvppDecoder *)arg;
	if(nullptr != self){
		self->doProcessReport();
	}
    return (void *)0;
}
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;
    }
}
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 enType = getVdecType(codecpar->codec_id, codecpar->profile);
        if(-1 == enType) {
            break;
        }
        m_enType = static_cast<acldvppStreamFormat>(enType);
		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);
        if (stream->avg_frame_rate.den) {
            // m_fps = stream->avg_frame_rate.num / stream->avg_frame_rate.den;
            m_fps = av_q2d(stream ->avg_frame_rate);
        } else {
            m_fps = 0.0;
        }
#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;
}
int DvppDecoder::getVdecType(int videoType, int profile)
{
    int streamFormat = H264_MAIN_LEVEL;
    // VDEC only support　H265 main level，264 baseline level，main level，high level
    if (videoType == AV_CODEC_ID_HEVC) {
        streamFormat = H265_MAIN_LEVEL;
    } else if (videoType == AV_CODEC_ID_H264) {
        switch (profile) {
            case FF_PROFILE_H264_BASELINE:
                streamFormat = H264_BASELINE_LEVEL;
                break;
            case FF_PROFILE_H264_MAIN:
                streamFormat = H264_MAIN_LEVEL;
                break;
            case FF_PROFILE_H264_HIGH:
            case FF_PROFILE_H264_HIGH_10:
            case FF_PROFILE_H264_HIGH_10_INTRA:
            case FF_PROFILE_H264_MULTIVIEW_HIGH:
            case FF_PROFILE_H264_HIGH_422:
            case FF_PROFILE_H264_HIGH_422_INTRA:
            case FF_PROFILE_H264_STEREO_HIGH:
            case FF_PROFILE_H264_HIGH_444:
            case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
            case FF_PROFILE_H264_HIGH_444_INTRA:
                streamFormat = H264_HIGH_LEVEL;
                break;
            default:
                LOG_INFO("Not support h264 profile {}, use as mp", profile);
                streamFormat = H264_MAIN_LEVEL;
                break;
        }
    } else {
        streamFormat = -1;
        LOG_ERROR("Not support stream, type {},  profile {}", videoType, profile);
    }
    return streamFormat;
}
 bool DvppDecoder::init_vdpp(FFDecConfig cfg, AVCodecContext* avctx) {
    LOG_INFO("[{}]- Init device start...", m_dec_name);
    m_dvpp_deviceId = atoi(cfg.gpuid.c_str());
    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 = frame_width * frame_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 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);
    
    aclrtContext ctx = nullptr;
    aclrtStream stream = nullptr;
    aclvdecChannelDesc *vdecChannelDesc = nullptr;
    do {
        CHECK_AND_BREAK(aclrtSetDevice(m_dvpp_deviceId), "aclrtSetDevice failed");
        CHECK_AND_BREAK(aclrtCreateContext(&ctx, m_dvpp_deviceId), "aclrtCreateContext failed");
        CHECK_AND_BREAK(aclrtCreateStream(&stream), "aclrtCreateStream failed");
        vdecChannelDesc = aclvdecCreateChannelDesc();
        if (vdecChannelDesc == nullptr) { 
            LOG_ERROR("[{}]- aclvdecCreateChannelDesc failed", m_dec_name);
            break;
        }
        // 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, m_enType), "aclvdecSetChannelDescEnType failed");
        CHECK_AND_BREAK(aclvdecSetChannelDescOutPicFormat(vdecChannelDesc, PIXEL_FORMAT_YUV_SEMIPLANAR_420), "aclvdecSetChannelDescOutPicFormat failed");
        CHECK_AND_BREAK(aclvdecCreateChannel(vdecChannelDesc), "aclvdecCreateChannel failed");
        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(10));
                    continue;
                }
                // 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();
            }
            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_WARN("[{}]- 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;
                }
                int nSended = -1;
                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
                    nSended = sendPkt(vdecChannelDesc, pkt, frame_nb);
                }
                if(nSended < 0) {
                    break;
                }
            } 
            
            // 音频等其他分量的情形
            av_packet_free(&pkt);
            pkt = nullptr;
        }
        while(m_bRunning && m_decoded_data_queue.size() > 0) {
            std::this_thread::sleep_for(std::chrono::milliseconds(5));
        }
    } while (0);
    if (vdecChannelDesc) {
        sendVdecEos(vdecChannelDesc);
        CHECK_NOT_RETURN(aclvdecDestroyChannel(vdecChannelDesc), "aclvdecDestroyChannel failed");
        CHECK_NOT_RETURN(aclvdecDestroyChannelDesc(vdecChannelDesc), "aclvdecDestroyChannelDesc failed");
        vdecChannelDesc = nullptr;
    }
    m_bRunning=false;
    m_bExitReportThd = true;
	CHECK_NOT_RETURN(pthread_join(report_thread, nullptr), "report_thread join failed");
    m_bExitDisplayThd = true;
    CHECK_NOT_RETURN(pthread_join(display_thread, nullptr), "display_thread join failed");
    if(stream){
        CHECK_NOT_RETURN(aclrtDestroyStream(stream), "aclrtDestroyStream failed");
    }
    if (ctx){
        CHECK_NOT_RETURN(aclrtDestroyContext(ctx), "aclrtDestroyContext failed");
    }
    
    m_recoderManager.close();
    
    release_ffmpeg();
    release_dvpp();
    m_bFinished = true;
    LOG_INFO("[{}]- read thread exit.", m_dec_name);
    if(decode_finished_cbk) {
        decode_finished_cbk(m_finishedDecArg);
    }
}
int DvppDecoder::sendPkt(aclvdecChannelDesc *vdecChannelDesc, AVPacket* pkt, unsigned long long frame_nb){
    void *vdecInputbuf = nullptr;
    void *vdecOutputBuf = nullptr;
    acldvppStreamDesc *input_stream_desc = nullptr;
    acldvppPicDesc *output_pic_desc = nullptr;
    do{
        int ret = acldvppMalloc((void **)&vdecInputbuf, g_pkt_size);
        if(ACL_ERROR_NONE != ret){
            LOG_ERROR("[{}]- acldvppMalloc failed!, ret:{}", m_dec_name, ret);
            break;
        }
         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);
            break;
        }
        ret = acldvppMalloc((void **)&vdecOutputBuf, m_vdec_out_size);
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]- acldvppMalloc failed", m_dec_name);
            break;
        }
        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_nb;
        user_data->frame_nb = frame_nb;
        // user_data->startTime = startTime;
        user_data->sendTime = UtilTools::get_cur_time_ms();
        user_data->self = this;
        ret = aclvdecSendFrame(vdecChannelDesc, input_stream_desc, output_pic_desc, nullptr, reinterpret_cast<void *>(user_data));
        if(ret != ACL_ERROR_NONE){
            LOG_ERROR("[{}]- aclvdecSendFrame failed", m_dec_name);
            delete user_data;
            user_data = nullptr;
            return 1;
        }
        return 0;
    }while (0);
    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;
}
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 ;
    }
    while (!m_bExitReportThd) {
        aclrtProcessReport(1000);
    }
    ret = aclrtDestroyContext(ctx);
    if(ret != ACL_ERROR_NONE){
        LOG_ERROR("aclrtDestroyContext failed !");
    }
    LOG_INFO("doProcessReport exit.");
}
void DvppDecoder::doVdppVdecCallBack(acldvppStreamDesc *input, acldvppPicDesc *output, unsigned long long frame_nb){
    CHECK_AND_RETURN_NOVALUE(aclrtSetCurrentContext(m_context), "aclrtSetCurrentContext failed");
    void *inputDataDev = acldvppGetStreamDescData(input);
    acldvppFree(inputDataDev);
    inputDataDev = nullptr;
    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){
            // 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
            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;
            }
            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");
}
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);
}