112     FileBufSlot *slot = NULL;  in read_ivf_file()
139     slot->buf = NULL;  in read_ivf_file()
152     MppBuffer hw_buf = NULL;  in read_jpeg_file()
193     slot->buf = NULL;  in read_normal_file()
257     FileBufSlot *slot = NULL;  in reader_read()
259     if (NULL == impl || NULL == impl->slots) {  in reader_read()
271         if (slot == NULL || (impl->slot_rd_idx > impl->slot_cnt))  in reader_read()
273     } while (slot == NULL);  in reader_read()
286     FileBufSlot *slot = NULL;  in reader_index_read()
288     if (NULL == impl || NULL == impl->slots) {  in reader_index_read()
300         if (slot == NULL)  in reader_index_read()
302     } while (slot == NULL);  in reader_index_read()
321     FileReaderImpl *impl = NULL;  in reader_init()
325         *reader = NULL;  in reader_init()
356         impl->fp_input = NULL;  in reader_deinit()
366             slot->buf = NULL;  in reader_deinit()
373         impl->group = NULL;  in reader_deinit()
388         if (NULL == slot)  in reader_worker()
395     return NULL;  in reader_worker()
403     pthread_create(&impl->thd, NULL, reader_worker, impl);  in reader_start()
410     pthread_join(impl->thd, NULL);  in reader_sync()
419         pthread_join(impl->thd, NULL);  in reader_stop()
690     MppOpt opts = NULL;  in mpi_dec_test_cmd_init()
694     if ((argc < 2) || (cmd == NULL))  in mpi_dec_test_cmd_init()
705     mpp_opt_add(opts, NULL);  in mpi_dec_test_cmd_init()
723         opts = NULL;  in mpi_dec_test_cmd_init()
739         cmd->reader = NULL;  in mpi_dec_test_cmd_deinit()
746         cmd->fps = NULL;  in mpi_dec_test_cmd_deinit()
770     DecBufMgrImpl *impl = NULL;  in dec_buf_mgr_init()
791     if (NULL == impl)  in dec_buf_mgr_deinit()
797         impl->group = NULL;  in dec_buf_mgr_deinit()
807                 impl->bufs[i] = NULL;  in dec_buf_mgr_deinit()
823         return NULL;  in dec_buf_mgr_setup()
830             impl->group = NULL;  in dec_buf_mgr_setup()
843                     impl->bufs[i] = NULL;  in dec_buf_mgr_setup()
854         if (NULL == impl->group) {  in dec_buf_mgr_setup()
869         mpp_assert(NULL == impl->group);  in dec_buf_mgr_setup()
883         if (NULL == impl->group) {  in dec_buf_mgr_setup()
901             ret = mpp_buffer_get(NULL, &impl->bufs[i], size);  in dec_buf_mgr_setup()
902             if (ret || NULL == impl->bufs[i]) {  in dec_buf_mgr_setup()
925         impl = NULL;  in dec_buf_mgr_setup()
932     return impl ? impl->group : NULL;  in dec_buf_mgr_setup()