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cmMIdiFile.c : Fixes to support re-triggering MIDI notes.

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This commit is contained in:
kevin 2016-05-18 15:26:05 -04:00
parent 2bc5274ef3
commit a5056e4cec
1 changed files with 32 additions and 29 deletions
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61
cmMidiFile.c
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@ -11,9 +11,6 @@
#include "cmMidi.h" #include "cmMidi.h"
#include "cmMidiFile.h" #include "cmMidiFile.h"
#include "cmFloatTypes.h"
#include "cmVectOps.h"
#ifdef cmBIG_ENDIAN #ifdef cmBIG_ENDIAN
#define mfSwap16(v) (v) #define mfSwap16(v) (v)
#define mfSwap32(v) (v) #define mfSwap32(v) (v)
@ -1338,11 +1335,11 @@ void cmMidiFileCalcNoteDurations2( cmMidiFileH_t h )
} }
} }
bool _cmMidiFileCalcNoteDur( cmMidiTrackMsg_t* m0, cmMidiTrackMsg_t* m1, bool noteGateFl, bool sustainGateFl, bool sostGateFl ) bool _cmMidiFileCalcNoteDur( cmMidiTrackMsg_t* m0, cmMidiTrackMsg_t* m1, int noteGateFl, bool sustainGateFl, bool sostGateFl )
{ {
// if the note is being kept sounding because the key is still depressed, // if the note is being kept sounding because the key is still depressed,
// the sustain pedal is down or it is being held by the sostenuto pedal .... // the sustain pedal is down or it is being held by the sostenuto pedal ....
if( noteGateFl || sustainGateFl || sostGateFl ) if( noteGateFl>0 || sustainGateFl || sostGateFl )
return false; // ... do nothing return false; // ... do nothing
// calculate the duration of the sounding note // calculate the duration of the sounding note
@ -1363,7 +1360,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
unsigned mi = cmInvalidId; unsigned mi = cmInvalidId;
cmMidiTrackMsg_t* noteM[ kMidiNoteCnt * kMidiChCnt ]; // ptr to note-on or NULL if the note is not sounding cmMidiTrackMsg_t* noteM[ kMidiNoteCnt * kMidiChCnt ]; // ptr to note-on or NULL if the note is not sounding
bool noteGateM[ kMidiNoteCnt * kMidiChCnt ]; // true if the associated note key is depressed int noteGateM[ kMidiNoteCnt * kMidiChCnt ]; // true if the associated note key is depressed
bool sostGateM[ kMidiNoteCnt * kMidiChCnt ]; // true if the associated note was active when the sost. pedal went down bool sostGateM[ kMidiNoteCnt * kMidiChCnt ]; // true if the associated note was active when the sost. pedal went down
bool sustV[kMidiChCnt]; // true if the associated sustain pedal is down bool sustV[kMidiChCnt]; // true if the associated sustain pedal is down
bool sostV[kMidiChCnt]; // true if the associated sostenuto pedal is down bool sostV[kMidiChCnt]; // true if the associated sostenuto pedal is down
@ -1377,7 +1374,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
for(j=0; j<kMidiNoteCnt; ++j) for(j=0; j<kMidiNoteCnt; ++j)
{ {
noteM[ i*kMidiNoteCnt + j ] = NULL; noteM[ i*kMidiNoteCnt + j ] = NULL;
noteGateM[ i*kMidiNoteCnt + j ] = false; noteGateM[ i*kMidiNoteCnt + j ] = 0;
sostGateM[ i*kMidiNoteCnt + j ] = false; sostGateM[ i*kMidiNoteCnt + j ] = false;
} }
} }
@ -1401,17 +1398,20 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
if( cmMidiFileIsNoteOn(m) ) if( cmMidiFileIsNoteOn(m) )
{ {
unsigned k = ch*kMidiNoteCnt + d0; unsigned k = ch*kMidiNoteCnt + d0;
// a key was pressed - so it should not be currently down
if( noteGateM[k] )
cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"Missing note-off for note-on:%s",cmMidiToSciPitch(d0,NULL,0));
// there should be no existing sounding note instance for this pitch // there should be no existing sounding note instance for this pitch
if( noteM[k] != NULL ) //if( noteGateM[k] == 0 && noteM[k] != NULL )
cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"Missing note-off instance for note on:%s",cmMidiToSciPitch(d0,NULL,0)); // cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"%i : Missing note-off instance for note on:%s",m->uid,cmMidiToSciPitch(d0,NULL,0));
noteM[k] = m; if( noteM[k] != NULL )
noteGateM[k] = true; noteGateM[k] += 1;
else
{
noteM[k] = m;
noteGateM[k] = 1;
}
} }
else else
@ -1422,18 +1422,20 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
cmMidiTrackMsg_t* m0 = noteM[k]; cmMidiTrackMsg_t* m0 = noteM[k];
if( m0 == NULL ) if( m0 == NULL )
cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"Missing note-on instance for note-off:%s",cmMidiToSciPitch(d0,NULL,0)); cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"%i : Missing note-on instance for note-off:%s",m->uid,cmMidiToSciPitch(d0,NULL,0));
else else
{ {
// a key was released - so it should not already be up // a key was released - so it should not already be up
if( noteGateM[k]==false ) if( noteGateM[k]==0 )
cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"Missing note-on for note-off:%s",cmMidiToSciPitch(d0,NULL,0)); cmErrWarnMsg(&p->err,kMissingNoteOffMfRC,"%i : Missing note-on for note-off:%s",m->uid,cmMidiToSciPitch(d0,NULL,0));
else
{
noteGateM[k] -= 1; // update the note gate state
noteGateM[k] = false; // update the note gate state // update the sounding note status
if( _cmMidiFileCalcNoteDur(m0, m, noteGateM[k], sustV[ch], sostGateM[k]) )
// update the sounding note status noteM[k] = NULL;
if( _cmMidiFileCalcNoteDur(m0, m, noteGateM[k], sustV[ch], sostGateM[k]) ) }
noteM[k] = NULL;
} }
} }
else else
@ -1443,7 +1445,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
{ {
// if the sustain channel is already down // if the sustain channel is already down
if( sustV[ch] ) if( sustV[ch] )
cmErrWarnMsg(&p->err,kSustainPedalMfRC,"The sustain pedal went down twice with no intervening release."); cmErrWarnMsg(&p->err,kSustainPedalMfRC,"%i : The sustain pedal went down twice with no intervening release.",m->uid);
sustV[ch] = true; sustV[ch] = true;
} }
@ -1454,7 +1456,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
{ {
// if the sustain channel is already up // if the sustain channel is already up
if( sustV[ch]==false ) if( sustV[ch]==false )
cmErrWarnMsg(&p->err,kSustainPedalMfRC,"The sustain pedal release message was received with no previous pedal down."); cmErrWarnMsg(&p->err,kSustainPedalMfRC,"%i : The sustain pedal release message was received with no previous pedal down.",m->uid);
sustV[ch] = false; sustV[ch] = false;
@ -1473,11 +1475,12 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
{ {
// if the sustain channel is already down // if the sustain channel is already down
if( sostV[ch] ) if( sostV[ch] )
cmErrWarnMsg(&p->err,kSostenutoPedalMfRC,"The sostenuto pedal went down twice with no intervening release."); cmErrWarnMsg(&p->err,kSostenutoPedalMfRC,"%i : The sostenuto pedal went down twice with no intervening release.",m->uid);
// record the notes that are active when the sostenuto pedal went down // record the notes that are active when the sostenuto pedal went down
unsigned k = ch * kMidiNoteCnt; unsigned k = ch * kMidiNoteCnt;
cmVOB_Copy( sostGateM + k, kMidiNoteCnt, noteGateM + k); for(i=0; i<kMidiNoteCnt; ++i)
sostGateM[k+i] = noteGateM[k+i] > 0;
sostV[ch] = true; sostV[ch] = true;
} }
@ -1488,7 +1491,7 @@ void cmMidiFileCalcNoteDurations( cmMidiFileH_t h )
{ {
// if the sustain channel is already up // if the sustain channel is already up
if( sostV[ch]==false ) if( sostV[ch]==false )
cmErrWarnMsg(&p->err,kSostenutoPedalMfRC,"The sostenuto pedal release message was received with no previous pedal down."); cmErrWarnMsg(&p->err,kSostenutoPedalMfRC,"%i : The sostenuto pedal release message was received with no previous pedal down.",m->uid);
sostV[ch] = false; sostV[ch] = false;
@ -1721,7 +1724,7 @@ void cmMidiFileTest( const char* fn, cmCtx_t* ctx )
return; return;
} }
//cmMidiFileCalcNoteDurations( h ); cmMidiFileCalcNoteDurations( h );
if( 1 ) if( 1 )
{ {