Hello XiaoLi Gao
you can check the camera resize A and B size
like below:
/* First stream */
pCameraOutPrm = &pCameraInstPrm->outParams[0];
pCameraOutPrm->dataFormat = SYSTEM_DF_YUV420SP_UV;
pCameraOutPrm->scEnable = FALSE;
pCameraOutPrm->scOutWidth = 1280;
pCameraOutPrm->scOutHeight = 720;
resize output size is correspond the RDK Rules.make file IMGS_ID,
you can check source code condition compile.
********************************************************************************************************
#ifdef IMGS_OMNIVISION_OV10630
...
#elif defined IMGS_SONY_IMX104
...
#elif defined IMGS_MICRON_MT9M034
#else
...
#endif