static const int NTSC_samples_per_frame[] = { 1602, 1601, 1602, 1601, 1602, 0 };
static const int PAL_samples_per_frame[] = { 1920, 0 };
-AVOutputFormat mxf_d10_muxer;
+extern AVOutputFormat mxf_d10_muxer;
#define EDIT_UNITS_PER_BODY 250
#define KAG_SIZE 512