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DM8127的MP SCALR模块无法create,提示“pObj->scCreateStatus.retVal” 为FVID2_EALLOC

您好!

        我在使用DM8127开发时,使用MP SCALR,发现create失败,提示“pObj->scCreateStatus.retVal” 为FVID2_EALLOC。

        请问是什么原因导致的。

         下面是我的代码:

         MULTICH_INIT_STRUCT(MpSclrLink_CreateParams, mpSclrPrm);
         gVdisModuleContext.mpSclrId = SYSTEM_VPSS_LINK_ID_MP_SCLR_INST_0;

        mpSclrPrm.inQueParams.prevLinkId = gVcamModuleContext.cameraId;
        mpSclrPrm.outQueParams.nextLink = dupId[HDMIDIS_DUP_IDX];

        mpSclrPrm.pathId = MP_SCLR_LINK_SC5;
        mpSclrPrm.numCh = 1;
        mpSclrPrm.enableLineSkip = FALSE;