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question about dm8168 dsp alg

OYE
Intellectual 400 points

Dear all:

             My development platform is DM8168, and the development kit is DVRRDK_03.00.00.00.

             I want to run some algorithms on DM8168.

             Can some one tell me how to do it? Or do you have any related documentation.

  • 0
    TI__Guru 59700 points

    You can either use RPE or you can integrate your algorithm into algLink.

  • 0 in reply to Badri Narayanan
    Intellectual 400 points

    Hi, Badri

                 I have  look at the rpe resources, and I do not know how to add the alg to it?

                Can you tell me?

  • 0 in reply to Badri Narayanan
    Intellectual 400 points

    Hi, Badri

                  Is there a demo or the relevant documents?

  • 0 in reply to OYE
    TI__Guru 59700 points

    AAC audio encode/decode in dvr_rdk uses RPE and you can use that as reference.

  • 0 in reply to Badri Narayanan
    Prodigy 30 points

    Hi,Badri.I  add my code in algLink_priv.c.It worked,however,the video output become very slow,even it seems just 1    frame per second.Why? Please help me.

    And there is my code.

    Int32 AlgLink_algProcessData(AlgLink_Obj * pObj)
    {
        UInt32 frameId, status;
        System_LinkInQueParams *pInQueParams;
        FVID2_Frame *pFrame;
     
        FVID2_FrameList frameList;
        int p,curTime2,curTime1;
        Uint8 i,j,m,n,k;
        unsigned char *pTmp;
        Uint8* ucPtr,ucPtr1;
        pInQueParams = &pObj->createArgs.inQueParams;
        System_getLinksFullFrames(pInQueParams->prevLinkId,
                                  pInQueParams->prevLinkQueId, &frameList);
     
        if (frameList.numFrames)
        {
            /* SCD should be done first as it requires to operate on raw YUV */
       /*     if (pObj->createArgs.enableSCDAlg)
            {
                status = AlgLink_ScdalgProcessData(&pObj->scdAlg, &frameList, &pObj->outObj[0].bufOutQue);
     
                if (status == FVID2_SOK)
                {
                    /* Send-out the output bitbuffer */
       /*             System_sendLinkCmd(pObj->createArgs.outQueParams.nextLink,
                                       SYSTEM_CMD_NEW_DATA);
                }
     
            }
    */
            for(frameId=0; frameId<frameList.numFrames; frameId++)
            {
               pFrame = frameList.frames[frameId];
     

              /*my  program*/
    #if   1
             curTime1=Utils_getCurTimeInMsec();   
            for(p=0;p<360*576;p++)//yuyv
     
                {
                  i=*((unsigned char*)(pFrame->addr[0][0])+p*2+1);
                  j=*((unsigned char*)(pFrame->addr[0][0])+p*2);
                m=*((unsigned char*)(pFrame->addr[1][0])+p*2+1);
                 n=*((unsigned char*)(pFrame->addr[1][0])+p*2);
                  i=0x80;//uv
                   m=0x80;//uv
                   if(j>128)
                           j=255;
                     else
                          j=0;
                    if(n>128)
                         n=255;
                      else
                          n=0;
              
             *((unsigned char*)(pFrame->addr[0][0])+p*2+1)=i;
              *((unsigned char*)(pFrame->addr[0][0])+p*2)=j;
             *((unsigned char*)(pFrame->addr[1][0])+p*2+1)=m;
              *((unsigned char*)(pFrame->addr[1][0])+p*2)=n;
     
               }  
            curTime2=Utils_getCurTimeInMsec();
            k=curTime2-curTime1;
            Vps_printf("time: %d: ms  !!!\n", k);
    #endif
     
       System_putLinksEmptyFrames(pInQueParams->prevLinkId,
                                       pInQueParams->prevLinkQueId, &frameList);
        }
     
        return FVID2_SOK;
    }

  • 0 in reply to brad white
    TI__Guru 59700 points

    Check pFrame->addr[0][0] and pFrame->addr[1][0] addresses are cached.

    Check this post on how to check if address is cached http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/717/p/337467/1177956.aspx#1177956