_sync_position = _start;
_length = length;
_last_length = length;
- _ancestral_start = 0;
- _ancestral_length = length;
+ _ancestral_start = 0; // see comments in various libs/ardour/*_effect.cc
+ _ancestral_length = 0; // ditto
_stretch = 1.0;
_shift = 1.0;
_last_position = 0;