308     impl->user_data.len = 0;  in clean_user_data()
410     if (!src->pdata || !src->len) {  in set_user_data()
411         mpp_err_f("invalid user data %p pdata %p len %d\n", user_data, src->pdata, src->len);  in set_user_data()
415     if (impl->user_data.len < src->len) {  in set_user_data()
416         void *buf_ptr = mpp_realloc(impl->user_data.pdata, RK_U8, src->len);  in set_user_data()
419             mpp_err_f("failed to realloc user data buf size %d\n", src->len);  in set_user_data()
420             impl->user_data.len = 0;  in set_user_data()
426     memcpy(impl->user_data.pdata, src->pdata, src->len);  in set_user_data()
427     impl->user_data.len = src->len;  in set_user_data()
458         data_size += src->len;  in set_user_datas()
481         dst->len = src->len;  in set_user_datas()
493             memcpy(buf_ptr, src->pdata, src->len);  in set_user_datas()
494             buf_ptr += src->len;  in set_user_datas()
538         if (ret->user_data.len) {  in mpp_meta_dup()