+ if (start_sample < playback_sample) {
+ cerr << owner()->name() << " SS = " << start_sample << " PS = " << playback_sample << endl;
+ abort ();
+ }
+
+ if (start_sample != playback_sample) {
+ cerr << owner()->name() << " playback not aligned, jump ahead " << (start_sample - playback_sample) << endl;
+
+ if (can_internal_playback_seek (start_sample - playback_sample)) {
+ internal_playback_seek (start_sample - playback_sample);
+ } else {
+ cerr << owner()->name() << " playback not possible: ss = " << start_sample << " ps = " << playback_sample << endl;
+ goto midi;
+ }
+ }
+