Display没有视频

hi， all！

      capture->mpsclar->display  日志没有错误信息，但连接显示器却没有视频，为什么?

      版本：DVRRDK4.0.0.1 DM8168-evm

Eason Wang：

Hi,

请问代码没有任何改动？请把完整的log贴上来看看。

可不可能是显示器不支持? 用的是HDMI还是VGA？

BR,

Eason

yueping Tian：

回复 Eason Wang:

谢谢！ 附件是日志信息，Usecase如下:

    gVcapModuleContext.captureId    = SYSTEM_LINK_ID_CAPTURE;    gVcapModuleContext.sclrId[1]       = SYSTEM_LINK_ID_MP_SCLR_INST_0;    gVdisModuleContext.displayId[0] = SYSTEM_LINK_ID_DISPLAY_0; // ON CHIP HDMI

    /*capturePrm*/    CaptureLink_CreateParams_Init(&capturePrm);    capturePrm.numVipInst               = 1;    capturePrm.outQueParams[0].nextLink = gVcapModuleContext.sclrId[1];    capturePrm.tilerEnable              = FALSE;    capturePrm.enableSdCrop             = FALSE;    capturePrm.fakeHdMode               = TRUE;    capturePrm.isPalMode                = FALSE;    capturePrm.maxBlindAreasPerCh       = 4;    pCaptureInstPrm                     = &capturePrm.vipInst[0];    pCaptureInstPrm->vipInstId          = SYSTEM_CAPTURE_INST_VIP0_PORTA;    pCaptureInstPrm->inDataFormat       = SYSTEM_DF_YUV422P;    pCaptureInstPrm->standard           = SYSTEM_STD_1080P_60;    pCaptureInstPrm->numOutput          = 1;    pCaptureOutPrm                      = &pCaptureInstPrm->outParams[0];    pCaptureOutPrm->dataFormat          = SYSTEM_DF_YUV420SP_UV;    pCaptureOutPrm->scEnable            = FALSE;    pCaptureOutPrm->scOutWidth          = 0;    pCaptureOutPrm->scOutHeight         = 0;    pCaptureOutPrm->outQueId          = 0;    VCAP_VIDEO_SOURCE_STATUS_S vidSourceStatus;    VCAP_VIDEO_SOURCE_CH_STATUS_S *pVidStatus;    pVidStatus = &(vidSourceStatus.chStatus[0]);    pVidStatus->isVideoDetect = TRUE;    pVidStatus->frameWidth    = 2464;    pVidStatus->frameHeight   = 2048;    pVidStatus->frameInterval = 110;    pVidStatus->isInterlaced  = FALSE;    pVidStatus->vipInstId = 0;    pVidStatus->chId = 0;    vidSourceStatus.numChannels = 1;    Vcap_setVideoSourceStatus(&vidSourceStatus);    /*mpsclr param*/    MpSclrLink_CreateParams_Init(&mpSclrPrm1);    mpSclrPrm1.pathId = MP_SCLR_LINK_SC5;//MP_SCLR_LINK_SEC1_SC4_VIP1;    mpSclrPrm1.numCh = 1;    mpSclrPrm1.inQueParams.prevLinkId =   gVcapModuleContext.captureId;    mpSclrPrm1.inQueParams.prevLinkQueId = 0;    mpSclrPrm1.outQueParams.nextLink = gVdisModuleContext.displayId[0];    displayPrm[0].inQueParams[0].prevLinkId    = gVcapModuleContext.sclrId[1] ;    displayPrm[0].inQueParams[0].prevLinkQueId = 0;    displayPrm[0].displayRes                   = VSYS_STD_1080P_60;    System_linkCreate (gVcapModuleContext.captureId, &capturePrm, sizeof(capturePrm));    System_linkCreate(gVcapModuleContext.sclrId[1], &mpSclrPrm1, sizeof(mpSclrPrm1));    System_linkCreate(gVdisModuleContext.displayId[0], &displayPrm[0], sizeof(displayPrm[0]));    MultiCh_memPrintHeapStatus();