257         mpp_err("read file failed\n");  in iep_process_thread()
277             mpp_err("failed to read %d from input\n", info->src_size);  in iep_process_thread()
337         mpp_err("invalid format %s\n", str);  in str_to_iep_fmt()
347         mpp_err("non-positive input width %d\n", cfg->src_w);  in check_input_cmd()
351         mpp_err("non-positive input height %d\n", cfg->src_h);  in check_input_cmd()
356         mpp_err("invalid input format\n");  in check_input_cmd()
360         mpp_err("failed to open input file %s\n", cfg->src_url);  in check_input_cmd()
364         mpp_err("non-positive input width %d\n", cfg->dst_w);  in check_input_cmd()
368         mpp_err("non-positive input height %d\n", cfg->dst_h);  in check_input_cmd()
373         mpp_err("invalid input format\n");  in check_input_cmd()
377         mpp_err("invalid work mode\n");  in check_input_cmd()
483                 mpp_err("invalid work mode %s\n", optarg);  in main()
494                 mpp_err("invalid configure file %s\n", optarg);  in main()
502         mpp_err("failed to pass cmd line check\n");  in main()