HI3531 使用VPSS放大图像_问答

最近在做使用HI3531转码

[code]
for(i=0; i {
      VpssGrp = i;
      /*** create vpss group ***/
      s32Ret = HI_MPI_VPSS_CreateGrp(VpssGrp, &stGrpAttr);
      if (s32Ret != HI_SUCCESS)
      {
         SAMPLE_PRT("HI_MPI_VPSS_CreateGrp failed with %#x!\n", s32Ret);
         return HI_FAILURE;
      }

      /*** set vpss param ***/
      s32Ret = HI_MPI_VPSS_GetGrpParam(VpssGrp, &stVpssParam);
      if (s32Ret != HI_SUCCESS)
      {
         SAMPLE_PRT("failed with %#x!\n", s32Ret);
         return HI_FAILURE;
      }

      stVpssParam.u32MotionThresh = 0;

      s32Ret = HI_MPI_VPSS_SetGrpParam(VpssGrp, &stVpssParam);
      if (s32Ret != HI_SUCCESS)
      {
         SAMPLE_PRT("failed with %#x!\n", s32Ret);
         return HI_FAILURE;
      }

      /*** enable vpss chn, with frame ***/
      for(j=0; j       {
         VpssChn = j;
         /* Set Vpss Chn attr */
         stChnAttr.bSpEn = HI_FALSE;
         stChnAttr.bFrameEn = HI_TRUE;
         stChnAttr.stFrame.u32Color[VPSS_FRAME_WORK_LEFT] = 0x00;
         stChnAttr.stFrame.u32Color[VPSS_FRAME_WORK_RIGHT] = 0x00;
         stChnAttr.stFrame.u32Color[VPSS_FRAME_WORK_BOTTOM] = 0x00;
         stChnAttr.stFrame.u32Color[VPSS_FRAME_WORK_TOP] = 0x00;
         stChnAttr.stFrame.u32Width[VPSS_FRAME_WORK_LEFT] = 2;
         stChnAttr.stFrame.u32Width[VPSS_FRAME_WORK_RIGHT] = 2;
         stChnAttr.stFrame.u32Width[VPSS_FRAME_WORK_TOP] = 2;
         stChnAttr.stFrame.u32Width[VPSS_FRAME_WORK_BOTTOM] = 2;

         s32Ret = HI_MPI_VPSS_SetChnAttr(VpssGrp, VpssChn, &stChnAttr);
         if (s32Ret != HI_SUCCESS)
         {
            SAMPLE_PRT("HI_MPI_VPSS_SetChnAttr failed with %#x\n", s32Ret);
            return HI_FAILURE;
         }

         printf("Enable vpssGrp:%d VpssChn:%d \n",VpssGrp, VpssChn);
         s32Ret = HI_MPI_VPSS_EnableChn(VpssGrp, VpssChn);
         if (s32Ret != HI_SUCCESS)
         {
            SAMPLE_PRT("HI_MPI_VPSS_EnableChn failed with %#x\n", s32Ret);
            return HI_FAILURE;
         }
      }

/******Set Vpss Mode USER*********/
      VpssChn = 1;
VPSS_CHN_MODE_S stVpssMode;
s32Ret = HI_MPI_VPSS_GetChnMode(VpssGrp,VpssChn,&stVpssMode);
if(s32Ret != HI_SUCCESS)
{
SAMPLE_PRT("HI_MPI_VPSS_GetChnMode failed with %#x\n", s32Ret);
return HI_FAILURE;
}

stVpssMode.enChnMode = VPSS_CHN_MODE_USER;
stVpssMode.enPixelFormat = PIXEL_FORMAT_YUV_SEMIPLANAR_420;
stVpssMode.u32Width = 1920;
stVpssMode.u32Height = 1080;

s32Ret = HI_MPI_VPSS_SetChnMode(VpssGrp,VpssChn,&stVpssMode);
if(s32Ret != HI_SUCCESS)
{
SAMPLE_PRT("HI_MPI_VPSS_SetChnMode failed with %#x\n", s32Ret);
return HI_FAILURE;
}
/******end*********/

      /*** start vpss group ***/
      s32Ret = HI_MPI_VPSS_StartGrp(VpssGrp);
      if (s32Ret != HI_SUCCESS)
      {
         SAMPLE_PRT("HI_MPI_VPSS_StartGrp failed with %#x\n", s32Ret);
         return HI_FAILURE;
      }

}[/code]

HI3531 使用VPSS放大图像

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