static int mxf_read_sequence(MXFSequence *sequence, ByteIOContext *pb, int tag) { switch(tag) { case 0x0202: sequence->duration = get_be64(pb); break; case 0x0201: get_buffer(pb, sequence->data_definition_ul, 16); break; case 0x1001: sequence->structural_components_count = get_be32(pb); if (sequence->structural_components_count >= UINT_MAX / sizeof(UID)) return -1; sequence->structural_components_refs = av_malloc(sequence->structural_components_count * sizeof(UID)); if (!sequence->structural_components_refs) return -1; url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */ get_buffer(pb, (uint8_t *)sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID)); break; } return 0; }