rem: void ECA_ENGINE::set_position(double seconds) { conditional_stop(); csetup_repp->seek_position_in_seconds(seconds); conditional_start(); }
add: void set_position(int seconds) { set_position((double)seconds); }
context: void ECA_ENGINE::set_position(double seconds){  conditional_stop();  csetup_repp->seek_position_in_seconds(seconds);  conditional_start();}