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8168的dvrrdk 自己创建的link图 其中display link创建失败



模型是 IpcFramesOutLinkHLOS -> IpcFramesInLinkRTOS -> DisplayLink

但是使用System_linkCreate创建displaylink时失败 跟踪后发现是VpsDdrv_create里面Dc_getPathInfo返回错误 Dc_getPathInfo这个函数干嘛的?和venc有关系么?

/* Get the VENC information from display controller */

retVal = Dc_getPathInfo(instObj->dcHandle, &instObj->dcPathInfo);

if (FVID2_SOK != retVal)