diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index d5abc42399..d00ef107d1 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -1102,6 +1102,9 @@ static int jpeg2000_decode_packets(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile int xc = x / s->cdx[compno]; int yc = y / s->cdy[compno]; + if (reslevelno >= codsty->nreslevels) + continue; + if (yc % (1 << (rlevel->log2_prec_height + reducedresno))) continue;