int64_t sample,
int track_number);
// Split edit containing position.
- Edit* split_edit(int64_t position);
// Return the second edit in the split.
- Edit* split_edit(Edit *edit, int64_t position);
+ Edit* split_edit(int64_t position);
// Create a blank edit in the native data format
int clear_handle(double start,
double end,