21     ret |= mpp_meta_set_frame(meta,  KEY_INPUT_FRAME, NULL);  in meta_set()
22     ret |= mpp_meta_set_packet(meta, KEY_INPUT_PACKET, NULL);  in meta_set()
23     ret |= mpp_meta_set_frame(meta,  KEY_OUTPUT_FRAME, NULL);  in meta_set()
24     ret |= mpp_meta_set_packet(meta, KEY_OUTPUT_PACKET, NULL);  in meta_set()
26     ret |= mpp_meta_set_buffer(meta, KEY_MOTION_INFO, NULL);  in meta_set()
27     ret |= mpp_meta_set_buffer(meta, KEY_HDR_INFO, NULL);  in meta_set()
38     ret |= mpp_meta_set_ptr(meta, KEY_ROI_DATA, NULL);  in meta_set()
39     ret |= mpp_meta_set_ptr(meta, KEY_OSD_DATA, NULL);  in meta_set()
40     ret |= mpp_meta_set_ptr(meta, KEY_OSD_DATA2, NULL);  in meta_set()
41     ret |= mpp_meta_set_ptr(meta, KEY_USER_DATA, NULL);  in meta_set()
42     ret |= mpp_meta_set_ptr(meta, KEY_USER_DATAS, NULL);  in meta_set()
44     ret |= mpp_meta_set_buffer(meta, KEY_QPMAP0, NULL);  in meta_set()
45     ret |= mpp_meta_set_ptr(meta, KEY_NPU_UOBJ_FLAG, NULL);  in meta_set()
109         MppMeta meta = NULL;  in meta_test()
129     return NULL;  in meta_test()
139     MppMeta meta = NULL;  in main()
158         pthread_join(thds[i], NULL);  in main()