8127 ipnc video内核编码如何设置为高速模式

bing bing

我现在的帧率大概在40左右，我用编25帧率的方式去编码，发现在video enc中，帧有丢失，通过打印，发现是buffer队列满了，没有可用的output buffer，所以导致input frame 被free。

我现在修改如下：

用编码60帧的方式去编码，发现队列还是会堵塞。

我发现有个高速模式，不知道怎么设置？

MULTICH_INIT_STRUCT(EncLink_CreateParams,encPrm);
  {
   EncLink_ChCreateParams *pLinkChPrm;
   EncLink_ChDynamicParams *pLinkDynPrm;
   VENC_CHN_DYNAMIC_PARAM_S *pDynPrm;
   VENC_CHN_PARAMS_S   *pChPrm;
   UInt32 i;
   for (i = 0; i < VENC_PRIMARY_CHANNELS; i++)
   {
    pLinkChPrm = &encPrm.chCreateParams[i];
    pLinkDynPrm = &pLinkChPrm->defaultDynamicParams;

    pChPrm  = &gVencModuleContext.vencConfig.encChannelParams[i];
    pDynPrm = &pChPrm->dynamicParam;

//     pLinkChPrm->format      = IVIDEO_MJPEG;
   pLinkChPrm->format     = IVIDEO_H264HP;
   pLinkChPrm->profile     = gVencModuleContext.vencConfig.h264Profile[i];
    pLinkChPrm->dataLayout    = IVIDEO_PROGRESSIVE;
    pLinkChPrm->fieldMergeEncodeEnable = FALSE;
    pLinkChPrm->enableAnalyticinfo  = pChPrm->enableAnalyticinfo;
//     pLinkChPrm->maxBitRate     = pChPrm->maxBitRate;
//     pLinkChPrm->maxBitRate     = 4000000;
    pLinkChPrm->maxBitRate    = 4000000;
    pLinkChPrm->encodingPreset   = XDM_HIGH_SPEED;//pChPrm->encodingPreset;
    pLinkChPrm->rateControlPreset  = IVIDEO_USER_DEFINED;
    pLinkChPrm->enableHighSpeed   = TRUE;//FALSE;
    pLinkChPrm->enableWaterMarking  = pChPrm->enableWaterMarking;
    pLinkChPrm->StreamPreset   = gUI_mcfw_config.StreamPreset[i];

    pLinkDynPrm->intraFrameInterval = pDynPrm->intraFrameInterval;
//     pLinkDynPrm->targetBitRate    = pDynPrm->targetBitRate;
//     pLinkDynPrm->targetBitRate    = 2000000;
    pLinkDynPrm->targetBitRate   = 8000000;//8000000
    pLinkDynPrm->interFrameInterval = 1;
    pLinkDynPrm->mvAccuracy    = IVIDENC2_MOTIONVECTOR_QUARTERPEL;
    pLinkDynPrm->inputFrameRate   = pDynPrm->inputFrameRate;
    pLinkDynPrm->rcAlg     = pDynPrm->rcAlg;
    pLinkDynPrm->qpMin     = pDynPrm->qpMin;
    pLinkDynPrm->qpMax     = pDynPrm->qpMax;
    pLinkDynPrm->qpInit     = pDynPrm->qpInit;
    pLinkDynPrm->vbrDuration   = pDynPrm->vbrDuration;
    pLinkDynPrm->vbrSensitivity   = pDynPrm->vbrSensitivity;
    encPrm.numBufPerCh[i]   = NUM_ENCODE_BUFFERS;
    gVencModuleContext.encFormat[i] = pLinkChPrm->format;
   }
  }

  encPrm.chCreateParams[0].defaultDynamicParams.inputFrameRate = 60;//30;
  encPrm.chCreateParams[1].defaultDynamicParams.inputFrameRate = 60;//30;
  encPrm.vsEnable             = 0;
  encPrm.isVaUseCase            = 0;
  encPrm.inQueParams.prevLinkId         = gIpcInVideoId;
  encPrm.inQueParams.prevLinkQueId        = 0;
   encPrm.outQueParams.nextLink         = gIpcBitsOutVideoId;

  ipcBitsOutVideoPrm.baseCreateParams.inQueParams.prevLinkId   = gEncId;
  ipcBitsOutVideoPrm.baseCreateParams.inQueParams.prevLinkQueId = 0;
  ipcBitsOutVideoPrm.baseCreateParams.numOutQue      = 1;
  ipcBitsOutVideoPrm.baseCreateParams.outQueParams[0].nextLink = gIpcBitsInHLOSId;
  ipcBitsOutVideoPrm.baseCreateParams.inputFrameRate     = 60;//30;
  ipcBitsOutVideoPrm.baseCreateParams.outputFrameRate     = 60;//30;
  ipcBitsOutVideoPrm.baseCreateParams.processLink = SYSTEM_LINK_ID_INVALID;