--- src/libjasper/jpc/jpc_dec.c 2007-01-19 22:43:07.000000000 +0100 +++ src/libjasper/jpc/jpc_dec.c 2011-11-09 15:04:49.000000000 +0100 @@ -1069,12 +1069,12 @@ /* Apply an inverse intercomponent transform if necessary. */ switch (tile->cp->mctid) { case JPC_MCT_RCT: - assert(dec->numcomps == 3); + assert(dec->numcomps == 3 || dec->numcomps == 4); jpc_irct(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); break; case JPC_MCT_ICT: - assert(dec->numcomps == 3); + assert(dec->numcomps == 3 || dec->numcomps == 4); jpc_iict(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); break;