avio_w8(pb, 0x04); // content package rate
avio_w8(pb, 0x00); // content package type
avio_wb16(pb, 0x00); // channel handle
- avio_wb16(pb, mxf->tc.start + frame); // continuity count
+ avio_wb16(pb, (mxf->tc.start + frame) & 0xFFFF); // continuity count, supposed to overflow
if (mxf->essence_container_count > 1)
avio_write(pb, multiple_desc_ul, 16);
else {