How to encode multiple images using the same objectMeta inside obj_meta_list

Accelerated Computing Intelligent Video Analytics DeepStream SDK
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nvds_obj_enc_process is a better method because it is simple to use and will do HW acceleration. please refer to the following code:

    nvds_obj_enc_process (ctx, &objData, ip_surf, obj_meta, frame_meta);

    if(1){
      NvDsObjectMeta newMeta;
      NvDsObjEncUsrArgs userData = { 0 };
      /* To be set by user */
      userData.saveImg = save_img;
      /* Set if Image scaling Required */
      userData.scaleImg = FALSE;
      userData.scaledWidth = 0;
      userData.scaledHeight = 0;
      /* Preset */
      userData.objNum = num_rects;
      /* Quality */
      userData.quality = 80;
      newMeta.rect_params.width = frame_meta->source_frame_width;
      newMeta.rect_params.height = frame_meta->source_frame_height;
      newMeta.rect_params.top = 0.0f;
      newMeta.rect_params.left = 0.0f;
      static int i = 1;
      char sbuf[32] = {0};
      sprintf(userData.fileNameImg, "%d.jpg", i++);
      /*Main Function Call */
      nvds_obj_enc_process (ctx, &userData, ip_surf, &newMeta, frame_meta);
    }