From 26eebe4c5667c3b24cfc158358398f1598f3971c Mon Sep 17 00:00:00 2001 From: Florian Jung Date: Wed, 18 May 2011 16:54:22 +0000 Subject: speeded up importing midi a bit more --- muse2/muse/midi.cpp | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) (limited to 'muse2') diff --git a/muse2/muse/midi.cpp b/muse2/muse/midi.cpp index 7087b342..52119692 100644 --- a/muse2/muse/midi.cpp +++ b/muse2/muse/midi.cpp @@ -480,17 +480,11 @@ void buildMidiEventList(EventList* del, const MPEventList* el, MidiTrack* track, // } // Added by Tim. p3.3.8 - - // The loop is a safe way to delete while iterating. - bool loop; - do - { - loop = false; - + // Loop removed by flo for (iEvent i = mel.begin(); i != mel.end(); ++i) { Event ev = i->second; if (ev.isNote()) { - if (ev.isNoteOff()) { + if (ev.isNoteOff()) { iEvent k; bool found = false; for (k = i; k != mel.end(); ++k) { @@ -511,25 +505,26 @@ void buildMidiEventList(EventList* del, const MPEventList* el, MidiTrack* track, if (!found) { printf("NOTE OFF without Note ON tick %d type %d %d %d\n", ev.tick(), ev.type(), ev.pitch(), ev.velo()); + continue; } else { - mel.erase(k); - - // Changed by Tim. p3.3.8 - //continue; - loop = true; - break; + if (k==i) + printf("ERROR: THIS SHOULD NEVER HAPPEN: k==i in midi.cpp:buildMidiEventList()\n"); + else + mel.erase(k); + // we may safely continue, because k!=i; only erasing + // i itself would invalidate it and require additional stuff + continue; } } + else { // !ev.isNoteOff() // Added by Tim. p3.3.8 // If the event length is not zero, it means the event and its // note on/off have already been taken care of. So ignore it. if(ev.lenTick() != 0) - { continue; - } iEvent k; for (k = mel.lower_bound(ev.tick()); k != mel.end(); ++k) { @@ -563,16 +558,16 @@ void buildMidiEventList(EventList* del, const MPEventList* el, MidiTrack* track, ev.setLenTick(endTick-ev.tick()); } else { - mel.erase(k); - // Added by Tim. p3.3.8 - loop = true; - break; + if (k==i) + printf("ERROR: THIS SHOULD NEVER HAPPEN: k==i in midi.cpp:buildMidiEventList()\n"); + else + mel.erase(k); + continue; } } + } } - } - while (loop); // DEBUG: any note offs left? -- cgit v1.2.3