1diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c 2index 849d0b4..b20f219 100644 3--- a/third_party/libopenjpeg20/j2k.c 4+++ b/third_party/libopenjpeg20/j2k.c 5@@ -5341,6 +5341,7 @@ static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k, 6 OPJ_UINT32 l_nb_collections; 7 OPJ_UINT32 l_nb_comps; 8 OPJ_UINT32 l_nb_bytes_by_comp; 9+ OPJ_BOOL new_mcc = OPJ_FALSE; 10 11 /* preconditions */ 12 assert(p_header_data != 00); 13@@ -5402,6 +5403,7 @@ static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k, 14 memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t)); 15 } 16 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records; 17+ new_mcc = OPJ_TRUE; 18 } 19 l_mcc_record->m_index = l_indix; 20 21@@ -5537,7 +5539,9 @@ static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k, 22 return OPJ_FALSE; 23 } 24 25- ++l_tcp->m_nb_mcc_records; 26+ if (new_mcc) { 27+ ++l_tcp->m_nb_mcc_records; 28+ } 29 30 return OPJ_TRUE; 31 } 32