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BT656 # cat /proc/umap/vi打印4通道1路工作模式

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# cat /proc/umap/vi

[VIU] Version: [Hi3531_MPP_V2.0.A.0 Debug], Build Time: [Jun  4 2013, 17:14:35]

-----MODULE PARAM--------------------------------------------------------------
detect_err_frame drop_err_frame stop_int_level  max_cas_gap
               0              0              0        28000

-----VI DEV ATTR---------------------------------------------------------------
 Dev   IntfM  WkM  ComMsk0  ComMsk1 ScanM AD0 AD1 AD2 AD3   Seq   DPath DType DRev
   0   BT656 1Mux ff000000        0     I  -1  -1  -1  -1  UYVY  ByPass   YUV    N
   2   BT656 1Mux     ff00        0     I  -1  -1  -1  -1  UYVY  ByPass   YUV    N
   4   BT656 1Mux ff000000        0     I  -1  -1  -1  -1  UYVY  ByPass   YUV    N
   6   BT656 1Mux     ff00        0     I  -1  -1  -1  -1  UYVY  ByPass   YUV    N

-----VI HIGH DEV ATTR---------------------------------------------------------------
 Dev  InputM  WkM  ComMsk0  ComMsk1 ScanM AD0 AD1 AD2 AD3   Seq CombM CompM ClkM  Fix FldP   DPath DType DRev

-----VI PHYCHN ATTR------------------------------------------------------------
 PhyChn CapX CapY  CapW  CapH  DstW  DstH CapSel Mirror Flip IntEn PixFom SrcRat DstRat
      0    0    0   720   576   720   576   both      N    N     Y  sp422     -1     -1
      4    0    0   720   576   720   576   both      N    N     Y  sp422     -1     -1
      8    0    0   720   576   720   576   both      N    N     Y  sp422     -1     -1
     12    0    0   720   576   720   576   both      N    N     Y  sp422     -1     -1

-----VI PHYCHN STATUS 1----------------------------------------------------------
 PhyChn  Dev      IntCnt  VbFail  LosInt  TopLos  BotLos BufCnt  IntT  SendT  Field  Stride
      0    0         429       0       2       0       2      1    37     31   intl     720
      4    2         429       0       2       0       2      1    36     30   intl     720
      8    4         429       0       2       0       2      1    43     37   intl     720
     12    6         429       0       2       0       2      1    44     39   intl     720

-----VI PHYCHN STATUS 2---------------------------------------------------------
 PhyChn MaxIntT IntGapT MaxGapT OverCnt LIntCnt  ThrCnt AutoDis CasAutD  TmgErr      ccErrN    IntRat
      0      84   20032   20033       0       0       1       0       0       0           2        24
      4      60   20060   20102       0       0       1       0       0       0           2        25
      8      78   20089   20155       0       0       1       0       0       0           2        25
     12      81   20126   20228       0       0       1       0       0       0           2        25

-----VI PHYCHN VBI ATTR---------------------------------------------------------
 PhyChn   VbiId       X       Y   Local     Len CasErrN

-----VI CASCADE CHN ATTR---------------------------------------------------------
 CasChn    Dev  PhyChn  SrcRat  DstRat

-----VI CHN STATUS-------------------------------------------------------------
 ViChn   bEnUsrP   FrmTime   FrmRate     SendCnt      SwLost    Rotate
     0         N     40000        25         428           0      NONE
     4         N     40000        25         428           0      NONE
     8         N     40000        25         428           0      NONE
    12         N     39996        25         428           0      NONE

-----VI CHN CALL DSU STATUS 1-------------------------------------------------
 ViChn   UsrBgnNOk   UsrCancel    UsrEndOk     UsrCbOk     CvrBgnNOk   CvrCancel    CvrEndOk     CvrCbOk

-----VI CHN CALL DSU STATUS 2-------------------------------------------------
 ViChn   OsdBgnNOk   OsdCancel    OsdEndOk     OsdCbOk      ScaleNOk   SclCancel    SclEndOk     SclCbOk

-----VI CHN CALL DSU STATUS 3-------------------------------------------------
 ViChn   RotateNOk   RotCancel    RotEndOk     RotCbOk        LDCNOk   LDCCancel    LDCEndOk     LDCCbOk
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来源: https://blog.csdn.net/weixin_40673765/article/details/104414283