_Wind
_Wind(howMuch, frames);
_Wind(seekBy, 0);
void _Wind(bigtime_t howMuch, int64 frames);
_Wind(30000000LL, 5);
_Wind(5000000LL, 1);
_Wind(-30000000LL, -5);
_Wind(-5000000LL, -1);
void _Wind(bigtime_t howMuch, int64 frames);