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TDA2EVM5777: How to set channel number for framecopy?

Part Number: TDA2EVM5777

Hi,

I trying to add a alg_framecopy in lvds_vip_multi_cam_view, the chains show below

Capture -> Alg_FrameCopy (DSP1) -> Dup -> Sync -> Alg_VpeSwMs -> Merge
Dup -> Merge
Merge -> Display_video
GrpxSrc -> Display_Grpx

And I set the parameters for alg_framecopy show below

Void chains_lvdsVipMultiCam_Display_SetFrameCopyAlgPrms(
		AlgorithmLink_FrameCopyCreateParams *pPrm,
		Chains_Ctrl *chainsCfg){

	Vps_printf("enterrrrrrrr:%s,%d\n",__func__,__LINE__);

    if( chainsCfg->algProcId == SYSTEM_PROC_DSP1
             ||
             chainsCfg->algProcId == SYSTEM_PROC_DSP2)
             {
                 pPrm->baseClassCreate.algId = ALGORITHM_LINK_DSP_ALG_FRAMECOPY;
             }
    else if( chainsCfg->algProcId == SYSTEM_PROC_EVE1
             ||
             chainsCfg->algProcId == SYSTEM_PROC_EVE2
             ||
             chainsCfg->algProcId == SYSTEM_PROC_EVE3
             ||
             chainsCfg->algProcId == SYSTEM_PROC_EVE4)
            {
                pPrm->baseClassCreate.algId = ALGORITHM_LINK_EVE_ALG_FRAMECOPY;
            }
    else if(chainsCfg->algProcId == SYSTEM_PROC_A15_0)
            {
                pPrm->baseClassCreate.algId = ALGORITHM_LINK_A15_ALG_FRAMECOPY;
            }

    pPrm->maxWidth    = CAPTURE_SENSOR_WIDTH;
    pPrm->maxHeight   = CAPTURE_SENSOR_HEIGHT;

    pPrm->numOutputFrames = 3;
}

When I capture only 1 channel lvds, the usecase run well.But when I try to capture 4 channels lvds,it's failed.The log show below

[IPU1-0]  Multi-Camera LVDS Usecases
[IPU1-0]  ----------------------------
[IPU1-0]  1: 4CH VIP Capture + Mosaic Display 
[IPU1-0]  2: 4CH VIP Capture + Surround View (DSP) + Display (HDMI)
[IPU1-0]  3: 5CH VIP Capture + Surround View (DSPx) + Analytics (DSP/EVE) + Ultrasound (DSPx) + HDMI Display (HDMI) (TDA2x ONLY)
[IPU1-0]  5: 2CH VIP Capture (2560x720) + Surround View (DSPx) + Display (TDA2x + TIDA0455 only)
[IPU1-0]  6: Surround View Calibration
[IPU1-0]  
[IPU1-0]  x: Exit 
[IPU1-0]  
[IPU1-0]  Enter Choice: 
[IPU1-0]  
[IPU1-0]     22.764259 s:  
[IPU1-0]     22.764350 s: 
[IPU1-0]  
[IPU1-0]  ====================
[IPU1-0]  Num CH Settings     
[IPU1-0]  ====================
[IPU1-0]  
[IPU1-0]  0: For Single channel mode
[IPU1-0]  1: For Multi channel mode
[IPU1-0]  
[IPU1-0]  Enter Choice: 
[IPU1-0]  
[IPU1-0]     24.028426 s:  CHAINS: ChainsCommon_MultiCam_StartCaptureDevice
[IPU1-0]     24.029128 s:  VIDEO_SENSOR: INST1 : I2C1 : I2C Addr = 0x38
[IPU1-0]     24.278411 s:  VIDEO_SENSOR: VIP 0: DRV ID 1205 (I2C ADDR 0x38): a635:0000:7fa2
[IPU1-0]     24.278899 s:  VIDEO_SENSOR: INST2 : I2C1 : I2C Addr = 0x39
[IPU1-0]     24.628865 s:  VIDEO_SENSOR: VIP 2: DRV ID 1205 (I2C ADDR 0x39): a635:0000:7fa2
[IPU1-0]     24.629567 s:  VIDEO_SENSOR: INST3 : I2C1 : I2C Addr = 0x3a
[IPU1-0]     24.979106 s:  VIDEO_SENSOR: VIP 4: DRV ID 1205 (I2C ADDR 0x3a): a635:0000:7fa2
[IPU1-0]     24.979594 s:  VIDEO_SENSOR: INST4 : I2C1 : I2C Addr = 0x3b
[IPU1-0]     25.328890 s:  VIDEO_SENSOR: VIP 8: DRV ID 1205 (I2C ADDR 0x3b): a635:0000:7fa2
[IPU1-0]     26.098334 s: enterrrrrrrr:chains_lvdsVipMultiCam_Display_SetFrameCopyAlgPrms,288
[IPU1-0]     26.098487 s:  CAPTURE: Create in progress !!!
[IPU1-0]     26.098700 s:  CAPTURE: VIP1 Slice0 PortA capture mode is [ 8-bit] !!! 
[IPU1-0]     26.223723 s:  CAPTURE: VIP1 Slice1 PortA capture mode is [ 8-bit] !!! 
[IPU1-0]     26.348776 s:  CAPTURE: VIP2 Slice0 PortA capture mode is [ 8-bit] !!! 
[IPU1-0]     26.473860 s:  CAPTURE: VIP3 Slice0 PortA capture mode is [ 8-bit] !!! 
[IPU1-0]     26.599036 s:  CAPTURE: Create Done !!!
[IPU1-0]     26.599402 s:  IPC_OUT_0   : Create in progress !!!
[IPU1-0]     26.599707 s:  IPC_OUT_0   : Create Done !!!
[DSP1  ]     26.599920 s:  IPC_IN_0   : Create in progress !!!
[DSP1  ]     26.600286 s:  IPC_IN_0   : Create Done !!!
[DSP1  ]     26.600439 s:  ALGORITHM: Create in progress (algId = 0) !!!
[DSP1  ]     26.600561 s:  ALG_FRAMECOPY: DMA: Allocated CH (TCC) = 0 (0)
[DSP1  ]     26.658573 s:  Assertion @ Line: 420 in algorithmLink_algPluginSupport.c: status == SYSTEM_LINK_STATUS_SOK : failed !!!
[DSP1  ]     26.658756 s:  Assertion @ Line: 420 in algorithmLink_algPluginSupport.c: status == SYSTEM_LINK_STATUS_SOK : failed !!!

I think it 's because the channel of framecopy doesn't match the capture.So, how do I set the channel for framecopy?