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Display没有视频

yueping Tian
Intellectual 400 points


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

  • 0
    TI__Mastermind 46761 points

    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

  • 0 回复 Eason Wang
    Intellectual 400 points

    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();