Browse Source

cmScoreMatchGraphic.h/c : Initial implementation of _cmScoreMatchGraphicUpdateSostenuto().

master
kevin 8 years ago
parent
commit
43d9f36427
2 changed files with 90 additions and 16 deletions
  1. 88
    15
      app/cmScoreMatchGraphic.c
  2. 2
    1
      app/cmScoreMatchGraphic.h

+ 88
- 15
app/cmScoreMatchGraphic.c View File

@@ -28,7 +28,8 @@ enum
28 28
   kPedalSmgFl   = 0x0008,
29 29
   kSostSmgFl    = 0x0010,
30 30
   kMidiSmgFl    = 0x0020,
31
-  kNoMatchSmgFl = 0x0040
31
+  kNoMatchSmgFl = 0x0040,
32
+  kPedalDnSmgFl = 0x0080
32 33
 };
33 34
 
34 35
 // Graphic box representing a score label or MIDI event
@@ -246,6 +247,8 @@ cmSmgRC_t _cmSmgInitFromScore( cmCtx_t* ctx, cmSmg_t* p, const cmChar_t* scoreFn
246 247
 
247 248
           if( e->pitch == kSostenutoCtlMdId )
248 249
             flags |= kSostSmgFl;
250
+
251
+          flags |= cmIsFlag(e->flags,kPedalDnScFl) ? kPedalDnSmgFl : 0;
249 252
           
250 253
           break;
251 254
       }
@@ -635,26 +638,91 @@ cmSmgRC_t cmScoreMatchGraphicGenTimeLineBars( cmSmgH_t h, const cmChar_t* fn, un
635 638
   return rc;
636 639
   
637 640
 }
638
-/*
639
-cmSmRC_t _cmScoreMatchGraphicUpdateSostenuto( cmSmg_t* p, cmMidiFileH_t mfH, cmScH_t scH )
641
+
642
+// Find the first MIDI event that matches this score event
643
+const cmSmgMidi_t*  _cmScoreMatchGraphicScoreToMatchedMidiEvent( cmSmg_t* p, const cmSmgSc_t* sc )
640 644
 {
641
-  unsigned evtN = cmScoreEvtCount(scH);
642 645
   unsigned i;
643
-  const cmScoreEvt_t* e;
644
-  const cmScoreEvt_t* e0 = NULL;
645
-  for(i=0; i<evtN; ++i)
646
-
647
-    if( e->type == kNonEvtScId )
648
-      
649
-      
646
+  for(i=0; i<p->mN; ++i)
647
+  {
648
+    const cmSmgMatch_t* m = p->mV[i].matchV;
650 649
     
651
-      
652
-    if( e->type == kPedalEvtScId && e->pitch == kSostenutoCtlMdId )
650
+    for(; m != NULL; m=m->link )
651
+      if( sc->csvEventId == m->score->csvEventId )
652
+        return p->mV + i;
653
+          
654
+  }
655
+  
656
+  return NULL;
657
+}
658
+
659
+cmSmgRC_t _cmScoreMatchGraphicInsertMidiMsg( cmSmg_t* p, cmMidiFileH_t mfH, bool pedalDnFl, const cmSmgSc_t* s )
660
+{
661
+  const cmSmgMidi_t* m;
662
+
663
+  // locate the MIDI event associated with the reference event
664
+  if((m =_cmScoreMatchGraphicScoreToMatchedMidiEvent( p, s )) == NULL )
665
+    return cmErrWarnMsg(&p->err,kMatchFailSmgRC,"A sostenuto pedal msg could not be aligned to a note event.");
666
+  
667
+  
668
+  int          dtick_offset = pedalDnFl ?  1 :  -1;
669
+  cmMidiByte_t midi_vel     = pedalDnFl ? 64 :   0;
670
+  cmMidiByte_t midi_ch      = 0;
671
+
672
+  printf("pedal:%s\n",pedalDnFl?"down":"up");
673
+  
674
+  // insert a pedal msg relative to the reference event
675
+  if( cmMidiFileInsertMsg(mfH, m->uid, dtick_offset, midi_ch, kCtlMdId, kSostenutoCtlMdId, midi_vel ) != kOkMfRC )
676
+    return cmErrWarnMsg(&p->err,kMidiFileFailSmgRC,"MIDI msg insert failed.");
677
+  
678
+  return kOkSmgRC;
679
+  
680
+}
681
+
682
+cmSmgRC_t _cmScoreMatchGraphicUpdateSostenuto( cmSmg_t* p, cmMidiFileH_t mfH )
683
+{
684
+  cmSmgRC_t rc = kOkSmgRC;
685
+  unsigned i, j = cmInvalidIdx;
686
+  bool pedalUpFl = false;
687
+  
688
+  for(i=0; i<p->scN; ++i)
689
+  {
690
+    switch( p->scV[i].type )
653 691
     {
654
-      
692
+      case kNonEvtScId:
693
+        {
694
+          if( pedalUpFl )
695
+          {
696
+            _cmScoreMatchGraphicInsertMidiMsg(p, mfH, false, p->scV + i );
697
+            pedalUpFl = false;
698
+          }
699
+    
700
+          j = i; // store the index of this note event (it may be needed if the next event is a sost. pedal evt.)
701
+        }
702
+        break;
703
+        
704
+      case kPedalEvtScId:        
705
+        // if this is a sost pedal event
706
+        if( cmIsFlag(p->scV[i].box->flags,kSostSmgFl) )
707
+        {
708
+          if( cmIsFlag(p->scV[i].box->flags,kPedalDnSmgFl) )
709
+          {
710
+            assert( j != cmInvalidIdx );
711
+            _cmScoreMatchGraphicInsertMidiMsg(p, mfH, true, p->scV + j );
712
+          }
713
+          else
714
+          {
715
+            pedalUpFl = true; // insert a pedal up message before the next note-on
716
+          }
717
+        }
718
+
719
+      default:
720
+        break;
655 721
     }
722
+  }
723
+  return rc;
656 724
 }
657
-*/
725
+
658 726
 cmSmgRC_t cmScoreMatchGraphicUpdateMidiFromScore( cmCtx_t* ctx, cmSmgH_t h, const cmChar_t* newMidiFn )
659 727
 {
660 728
   cmSmgRC_t     rc  = kOkSmgRC;
@@ -696,6 +764,9 @@ cmSmgRC_t cmScoreMatchGraphicUpdateMidiFromScore( cmCtx_t* ctx, cmSmgH_t h, cons
696 764
 
697 765
   }
698 766
 
767
+  // update the sostenuto pedal msg's in the MIDI file.
768
+  _cmScoreMatchGraphicUpdateSostenuto(p, mfH );  
769
+
699 770
   // write the updated MIDI file
700 771
   if( cmMidiFileWrite( mfH, newMidiFn ) != kOkMfRC )
701 772
   {
@@ -703,6 +774,8 @@ cmSmgRC_t cmScoreMatchGraphicUpdateMidiFromScore( cmCtx_t* ctx, cmSmgH_t h, cons
703 774
     goto errLabel;
704 775
   }
705 776
 
777
+  cmMidiFilePrintMsgs(mfH, p->err.rpt );
778
+
706 779
 
707 780
  errLabel:
708 781
   cmMidiFileClose(&mfH);

+ 2
- 1
app/cmScoreMatchGraphic.h View File

@@ -11,7 +11,8 @@ extern "C" {
11 11
     kFileSmgRC,
12 12
     kScoreFailSmgRC,
13 13
     kMidiFileFailSmgRC,
14
-    kOpFailSmgRC
14
+    kOpFailSmgRC,
15
+    kMatchFailSmgRC
15 16
   };
16 17
   
17 18
   typedef cmRC_t     cmSmgRC_t;

Loading…
Cancel
Save