+ if(FFMAX(1, s->nmean) >= UINT_MAX/sizeof(int32_t)){
+ av_log(s->avctx, AV_LOG_ERROR, "nmean too large\n");
+ return -1;
+ }
+ if(s->blocksize + s->nwrap >= UINT_MAX/sizeof(int32_t) || s->blocksize + s->nwrap <= (unsigned)s->nwrap){
+ av_log(s->avctx, AV_LOG_ERROR, "s->blocksize + s->nwrap too large\n");
+ return -1;
+ }
+