libcm/cmProc4.c

4608 řádky
113 KiB
C

#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmLinkedHeap.h"
#include "cmFloatTypes.h"
#include "cmComplexTypes.h"
#include "cmFileSys.h"
#include "cmJson.h"
#include "cmSymTbl.h"
#include "cmAudioFile.h"
#include "cmText.h"
#include "cmProcObj.h"
#include "cmProcTemplate.h"
#include "cmMath.h"
#include "cmProc.h"
#include "cmVectOps.h"
#include "cmTime.h"
#include "cmMidi.h"
#include "cmMidiFile.h"
#include "cmTimeLine.h"
#include "cmScore.h"
#include "cmProc4.h"
#include "cmTime.h"
cmScFol* cmScFolAlloc( cmCtx* c, cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
{
cmScFol* op = cmObjAlloc(cmScFol,c,p);
if( srate != 0 )
if( cmScFolInit(op,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel) != cmOkRC )
cmScFolFree(&op);
return op;
}
cmRC_t cmScFolFree( cmScFol** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScFol* p = *pp;
if((rc = cmScFolFinal(p)) != cmOkRC )
return rc;
unsigned i;
for(i=0; i<p->locN; ++i)
cmMemFree(p->loc[i].evtV);
cmMemFree(p->loc);
cmMemFree(p->bufV);
cmObjFree(pp);
return rc;
}
cmRC_t cmScFolFinal( cmScFol* p )
{
cmMemFree(p->edWndMtx);
return cmOkRC;
}
void _cmScFolPrint( cmScFol* p )
{
int i,j;
for(i=0; i<p->locN; ++i)
{
printf("%2i %5i ",p->loc[i].barNumb,p->loc[i].scIdx);
for(j=0; j<p->loc[i].evtCnt; ++j)
printf("%s ",cmMidiToSciPitch(p->loc[i].evtV[j].pitch,NULL,0));
printf("\n");
}
}
unsigned* _cmScFolAllocEditDistMtx(unsigned maxN)
{
maxN += 1;
unsigned* m = cmMemAllocZ(unsigned,maxN*maxN);
unsigned* p = m;
unsigned i;
// initialize the comparison matrix with the default costs in the
// first row and column
// (Note that this matrix is not oriented in column major order like most 'cm' matrices.)
for(i=0; i<maxN; ++i)
{
p[i] = i; // 0th row
p[ i * maxN ] = i; // 0th col
}
return m;
}
cmRC_t cmScFolInit( cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
{
cmRC_t rc;
if((rc = cmScFolFinal(p)) != cmOkRC )
return rc;
if( bufN > maxWndCnt )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower buffer count (%i) must be less than the max. window length (%i).",bufN,maxWndCnt );
if( minWndLookAhead > maxWndCnt )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower look-ahead count (%i) must be less than the max. window length (%i).",minWndLookAhead,maxWndCnt);
p->srate = srate;
p->scH = scH;
p->bufN = bufN;
p->bufV = cmMemResizeZ(cmScFolBufEle_t,p->bufV,bufN);
p->locN = cmScoreEvtCount(scH);
p->loc = cmMemResizeZ(cmScFolLoc_t,p->loc,p->locN);
p->sbi = cmInvalidIdx;
p->sei = cmInvalidIdx;
p->msln = minWndLookAhead;
p->mswn = maxWndCnt;
p->forwardCnt = 2;
p->maxDist = 4;
p->edWndMtx = _cmScFolAllocEditDistMtx(p->bufN);
p->minVel = minVel;
p->printFl = true;
p->noBackFl = true;
p->missCnt = 0;
p->matchCnt = 0;
p->eventIdx = 0;
p->skipCnt = 0;
p->ret_idx = cmInvalidIdx;
// for each score location
unsigned li,ei;
for(li=0,ei=0; li<cmScoreLocCount(p->scH); ++li)
{
unsigned i,n;
const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
// count the number of note events at location li
for(n=0,i=0; i<lp->evtCnt; ++i)
if( lp->evtArray[i]->type == kNonEvtScId )
++n;
assert( ei+n <= p->locN );
// duplicate each note at location li n times
for(i=0; i<n; ++i)
{
unsigned j,k;
p->loc[ei+i].evtCnt = n;
p->loc[ei+i].evtV = cmMemAllocZ(cmScFolEvt_t,n);
p->loc[ei+i].scIdx = li;
p->loc[ei+i].barNumb = lp->barNumb;
for(j=0,k=0; j<lp->evtCnt; ++j)
if( lp->evtArray[j]->type == kNonEvtScId )
{
p->loc[ei+i].evtV[k].pitch = lp->evtArray[j]->pitch;
p->loc[ei+i].evtV[k].scEvtIdx = lp->evtArray[j]->index;
++k;
}
}
ei += n;
}
p->locN = ei;
//_cmScFolPrint(p);
return rc;
}
cmRC_t cmScFolReset( cmScFol* p, unsigned scEvtIdx )
{
int i,j;
// empty the event buffer
memset(p->bufV,0,sizeof(cmScFolBufEle_t)*p->bufN);
// don't allow the score index to be prior to the first note
//if( scEvtIdx < p->loc[0].scIdx )
// scEvtIdx = p->loc[0].scIdx;
p->sei = cmInvalidIdx;
p->sbi = cmInvalidIdx;
p->missCnt = 0;
p->matchCnt = 0;
p->eventIdx = 0;
p->skipCnt = 0;
p->ret_idx = cmInvalidIdx;
// locate the score element in svV[] that is closest to,
// and possibly after, scEvtIdx.
for(i=0; i<p->locN-1; ++i)
{
for(j=0; j<p->loc[i].evtCnt; ++j)
if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx )
p->sbi = i;
else
break;
}
// locate the score element at the end of the look-ahead region
for(; i<p->locN; ++i)
{
for(j=0; j<p->loc[i].evtCnt; ++j)
if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx + p->msln )
p->sei = i;
}
return cmOkRC;
}
bool _cmScFolIsMatch( const cmScFolLoc_t* loc, unsigned pitch )
{
unsigned i;
for(i=0; i<loc->evtCnt; ++i)
if( loc->evtV[i].pitch == pitch )
return true;
return false;
}
int _cmScFolMatchCost( const cmScFolLoc_t* loc, unsigned li, const cmScFolBufEle_t* pitch, unsigned pi )
{
if( _cmScFolIsMatch(loc+li,pitch[pi].val) )
return 0;
if( li>0 && pi>0 )
if( _cmScFolIsMatch(loc+li-1,pitch[pi].val) && _cmScFolIsMatch(loc+li,pitch[pi-1].val) )
return 0;
return 1;
}
int _cmScFolDist(unsigned mtxMaxN, unsigned* m, const cmScFolBufEle_t* s1, const cmScFolLoc_t* s0, int n )
{
mtxMaxN += 1;
assert( n < mtxMaxN );
int v = 0;
unsigned i;
// Note that m[maxN,maxN] is not oriented in column major order like most 'cm' matrices.
for(i=1; i<n+1; ++i)
{
unsigned ii = i * mtxMaxN; // current row
unsigned i_1 = ii - mtxMaxN; // previous row
unsigned j;
for( j=1; j<n+1; ++j)
{
//int cost = s0[i-1] == s1[j-1] ? 0 : 1;
//int cost = _cmScFolIsMatch(s0 + i-1, s1[j-1]) ? 0 : 1;
int cost = _cmScFolMatchCost(s0,i-1,s1,j-1);
//m[i][j] = min( m[i-1][j] + 1, min( m[i][j-1] + 1, m[i-1][j-1] + cost ) );
m[ ii + j ] = v = cmMin( m[ i_1 + j] + 1, cmMin( m[ ii + j - 1] + 1, m[ i_1 + j - 1 ] + cost ) );
}
}
return v;
}
void _cmScFolRpt0( cmScFol* p, unsigned locIdx, unsigned locN, const cmScFolBufEle_t* b, unsigned bn, unsigned min_idx )
{
unsigned i;
int n;
printf("--------------- event:%i ------------- \n",p->eventIdx);
printf("loc: ");
for(i=0; i<locN; ++i)
printf("%4i ",i+locIdx);
printf("\n");
for(n=0,i=0; i<locN; ++i)
if( p->loc[locIdx+i].evtCnt > n )
n = p->loc[locIdx+i].evtCnt;
--n;
for(; n>=0; --n)
{
printf("sc%1i: ",n);
for(i=0; i<locN; ++i)
{
if( n < p->loc[locIdx+i].evtCnt )
printf("%4s ",cmMidiToSciPitch(p->loc[locIdx+i].evtV[n].pitch,NULL,0));
else
printf(" ");
}
printf("\n");
}
printf("perf:");
for(i=0; i<min_idx; ++i)
printf(" ");
for(i=0; i<bn; ++i)
printf("%4s ",cmMidiToSciPitch(b[i].val,NULL,0));
printf("\n");
}
void _cmScFolRpt1( cmScFol*p, unsigned minDist, unsigned ret_idx, unsigned d1, unsigned missCnt, unsigned matchCnt )
{
printf("dist:%i miss:%i match:%i skip:%i vel:%i ",minDist,missCnt,matchCnt,p->skipCnt,d1);
if( ret_idx != cmInvalidIdx )
printf("ret_idx:%i ",ret_idx);
printf("\n");
}
unsigned cmScFolExec( cmScFol* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
{
unsigned ret_idx = cmInvalidIdx;
if( p->sbi == cmInvalidIdx )
{
cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An initial score search location has not been set." );
return ret_idx;
}
if( (status&0xf0) != kNoteOnMdId )
return ret_idx;
++p->eventIdx;
// reject notes with very low velocity
if( d1 < p->minVel )
{
++p->skipCnt;
return ret_idx;
}
// left shift bufV[] to make the right-most element available - then copy in the new element
memmove(p->bufV, p->bufV+1, sizeof(cmScFolBufEle_t)*(p->bufN-1));
p->bufV[ p->bufN-1 ].smpIdx = smpIdx;
p->bufV[ p->bufN-1 ].val = d0;
p->bufV[ p->bufN-1 ].validFl= true;
// fill in ebuf[] with the valid values in bufV[]
int en = cmMin(p->eventIdx,p->bufN);
int bbi = p->eventIdx>=p->bufN ? 0 : p->bufN-p->eventIdx;
// en is the count of valid elements in ebuf[].
// ebuf[p->boi] is the first valid element
int j = 0;
int minDist = INT_MAX;
int minIdx = cmInvalidIdx;
int dist;
// the score wnd must always be as long as the buffer n
// at the end of the score this may not be the case
// (once sei hits locN - at this point we must begin
// shrinking ewnd[] to contain only the last p->sei-p->sbi+1 elements)
assert( p->sei-p->sbi+1 >= en );
for(j=0; p->sbi+en+j-1 <= p->sei; ++j)
{
// use <= minDist to choose the latest window with the lowest match
if((dist = _cmScFolDist(p->bufN, p->edWndMtx, p->bufV+bbi, p->loc + p->sbi+j, en )) < minDist )
{
// only make an eql match if the posn is greater than the last location
if( dist==minDist && p->ret_idx != cmInvalidId && p->ret_idx >= p->sbi+minIdx+en-1 )
continue;
minDist = dist;
minIdx = j;
}
}
// The best fit is on the score window: p->loc[sbi+minIdx : sbi+minIdx+en-1 ]
if( p->printFl )
_cmScFolRpt0( p, p->sbi, p->sei-p->sbi+1, p->bufV+bbi, en, minIdx );
// save current missCnt for later printing
unsigned missCnt = p->missCnt;
// if a perfect match occurred
if( minDist == 0 )
{
ret_idx = p->sbi + minIdx + en - 1;
p->missCnt = 0;
// we had a perfect match - shrink the window to it's minumum size
p->sbi += (en==p->bufN) ? minIdx + 1 : 0; // move wnd begin forward to just past first match
p->sei = p->sbi + minIdx + en + p->msln; // move wnd end forward to lead by the min look-ahead
}
else
{
if( minDist > p->maxDist )
ret_idx = cmInvalidIdx;
else
// if the last event matched - then return the match location as the current score location
if( _cmScFolIsMatch(p->loc+(p->sbi+minIdx+en-1),p->bufV[p->bufN-1].val) )
{
ret_idx = p->sbi + minIdx + en - 1;
p->missCnt = 0;
// this is probably a pretty good match reduce the part of the window prior to
// the first match (bring the end of the window almost up to the end of the
// buffers sync position)
if( en >= p->bufN-1 && (en+2) <= ret_idx )
p->sbi = ret_idx - (en+2);
}
else // the last event does not match based on the optimal edit-distance alignment
{
// Look backward from the closest match location for a match to the current pitch.
// The backward search scope is limited by the current value of 'missCnt'.
unsigned i;
j = p->sbi+minIdx+en-2;
for(i=1; i+1 <= p->bufN && j>=p->sbi && i<=p->missCnt; ++i,--j)
{
// if this look-back location already matched then stop the backward search
if(_cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1-i].val))
break;
// does this look-back location match the current pitch
if(_cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1].val))
{
ret_idx = j;
p->missCnt = i; // set missCnt to the cnt of steps backward necessary for a match
break;
}
}
// If the backward search did not find a match - look forward
if( ret_idx == cmInvalidIdx )
{
unsigned i;
j = p->sbi+minIdx+en;
for(i=0; j<=p->sei && i<p->forwardCnt; ++i,++j)
if( _cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1].val) )
{
ret_idx = j;
break;
}
p->missCnt = ret_idx == cmInvalidIdx ? p->missCnt + 1 : 0;
}
}
// Adjust the end window position (sei) based on the match location
if( ret_idx == cmInvalidIdx )
{
// even though we didn't match move the end of the score window forward
// this will enlarge the score window by one
p->sei += 1;
}
else
{
assert( p->sei>=ret_idx);
// force sei to lead by min look-ahead
if( p->sei - ret_idx < p->msln )
p->sei = ret_idx + p->msln;
}
assert( p->sei > p->sbi );
// Adjust the begin window position
if( p->noBackFl && ret_idx != cmInvalidIdx && en>=p->bufN && p->sbi > p->bufN )
p->sbi = ret_idx - p->bufN;
// if the score window length surpasses the max score window size
// move the beginning index forward
if( p->sei - p->sbi + 1 > p->mswn && p->sei > p->mswn )
p->sbi = p->sei - p->mswn + 1;
}
if( p->printFl )
_cmScFolRpt1(p, minDist, ret_idx, d1, missCnt, p->matchCnt );
// don't allow the returned location to repeat or go backwards
if( p->noBackFl && p->ret_idx != cmInvalidIdx && ret_idx <= p->ret_idx )
ret_idx = cmInvalidIdx;
// track the number of consecutive matches
if( ret_idx == cmInvalidIdx )
p->matchCnt = 0;
else
{
++p->matchCnt;
p->ret_idx = ret_idx;
}
// Force the window to remain valid when it is at the end of the score
// - sbi and sei must be inside 0:locN
// - sei-sbi + 1 must be >= en
if( p->sei >= p->locN )
{
p->sei = p->locN - 1;
p->sbi = p->sei - p->bufN + 1;
}
if( ret_idx != cmInvalidIdx )
ret_idx = p->loc[ret_idx].scIdx;
return ret_idx;
}
//=======================================================================================================================
cmScTrk* cmScTrkAlloc( cmCtx* c, cmScTrk* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
{
cmScTrk* op = cmObjAlloc(cmScTrk,c,p);
op->sfp = cmScFolAlloc(c,NULL,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel);
if( srate != 0 )
if( cmScTrkInit(op,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel) != cmOkRC )
cmScTrkFree(&op);
return op;
}
cmRC_t cmScTrkFree( cmScTrk** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScTrk* p = *pp;
if((rc = cmScTrkFinal(p)) != cmOkRC )
return rc;
cmScFolFree(&p->sfp);
cmObjFree(pp);
return rc;
}
void _cmScTrkPrint( cmScTrk* p )
{
int i,j;
for(i=0; i<p->locN; ++i)
{
printf("%2i %5i ",p->loc[i].barNumb,p->loc[i].scIdx);
for(j=0; j<p->loc[i].evtCnt; ++j)
printf("%s ",cmMidiToSciPitch(p->loc[i].evtV[j].pitch,NULL,0));
printf("\n");
}
}
cmRC_t cmScTrkInit( cmScTrk* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
{
cmRC_t rc;
if((rc = cmScTrkFinal(p)) != cmOkRC )
return rc;
if( minWndLookAhead > maxWndCnt )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower look-ahead count (%i) must be less than the max. window length (%i).",minWndLookAhead,maxWndCnt);
if((rc = cmScFolInit(p->sfp,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel)) != cmOkRC )
return rc;
p->srate = srate;
p->scH = scH;
p->locN = cmScoreLocCount(scH);
p->loc = cmMemResizeZ(cmScTrkLoc_t,p->loc,p->locN);
p->minVel = minVel;
p->maxWndCnt = maxWndCnt;
p->minWndLookAhead= 4; //minWndLookAhead;
p->printFl = true;
p->curLocIdx = cmInvalidIdx;
p->evtIndex = 0;
// for each score location
unsigned li;
for(li=0; li<cmScoreLocCount(p->scH); ++li)
{
unsigned i,j,k,n;
const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
// count the number of note events at location li
for(n=0,i=0; i<lp->evtCnt; ++i)
if( lp->evtArray[i]->type == kNonEvtScId )
++n;
p->loc[li].evtCnt = n;
p->loc[li].evtV = cmMemAllocZ(cmScTrkEvt_t,n);
p->loc[li].scIdx = li;
p->loc[li].barNumb = lp->barNumb;
for(j=0,k=0; j<lp->evtCnt; ++j)
if( lp->evtArray[j]->type == kNonEvtScId )
{
p->loc[li].evtV[k].pitch = lp->evtArray[j]->pitch;
p->loc[li].evtV[k].scEvtIdx = lp->evtArray[j]->index;
++k;
}
}
//_cmScTrkPrint(p);
return rc;
}
cmRC_t cmScTrkFinal( cmScTrk* p )
{
unsigned i;
for(i=0; i<p->locN; ++i)
cmMemPtrFree(&p->loc[i].evtV);
return cmOkRC;
}
cmRC_t cmScTrkReset( cmScTrk* p, unsigned scEvtIdx )
{
unsigned i;
cmScFolReset(p->sfp,scEvtIdx);
p->curLocIdx = cmInvalidIdx;
p->evtIndex = 0;
// locate the score element in svV[] that is closest to,
// and possibly after, scEvtIdx.
for(i=0; i<p->locN; ++i)
{
unsigned j;
for(j=0; j<p->loc[i].evtCnt; ++j)
{
p->loc[i].evtV[j].matchFl = false;
// it is possible that scEvtIdx is before the first event included in p->loc[0]
// using the p->curLocIdx==cmInvalidIdx forces the first evt in p->loc[0] to be
// selected in this case
if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx || p->curLocIdx==cmInvalidIdx )
p->curLocIdx = i;
}
}
if( p->curLocIdx == cmInvalidIdx )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The initial score search location event %i was not found.", scEvtIdx );
return cmOkRC;
}
unsigned _cmScTrkIsMatch(cmScTrk* p, int d, unsigned pitch )
{
if( 0 <= p->curLocIdx + d && p->curLocIdx+1 < p->locN )
{
unsigned i;
const cmScTrkLoc_t* lp = p->loc + p->curLocIdx + d;
for(i=0; i<lp->evtCnt; ++i)
if( lp->evtV[i].pitch == pitch && lp->evtV[i].matchFl==false)
return i;
}
return cmInvalidIdx;
}
void _cmScTrkRpt0( cmScTrk* p, unsigned pitch, unsigned vel, unsigned nli, unsigned nei )
{
bool missFl = nli==cmInvalidIdx || nei==cmInvalidIdx;
printf("------- event:%i %s vel:%i cur:%i new:%i %s-------\n",p->evtIndex,cmMidiToSciPitch(pitch,NULL,0),vel,p->curLocIdx,nli,missFl?"MISS ":"");
int bi = p->curLocIdx < p->minWndLookAhead ? 0 : p->curLocIdx - p->minWndLookAhead;
int ei = cmMin(p->locN-1,p->curLocIdx+p->minWndLookAhead);
unsigned i,n=0;
for(i=bi; i<=ei; ++i)
if( p->loc[i].evtCnt>n )
n = p->loc[i].evtCnt;
printf("loc ");
for(i=bi; i<=ei; ++i)
printf("%4i ",i);
printf("\n");
for(i=0; i<n; ++i)
{
unsigned j;
printf("sc%2i ",i);
for(j=bi; j<=ei; ++j)
{
if( i < p->loc[j].evtCnt )
{
char* X = p->loc[j].evtV[i].matchFl ? "__" : " ";
if( nli==j && nei==i)
{
X = "**";
assert( p->loc[j].evtV[i].pitch == pitch );
}
printf("%4s%s ",cmMidiToSciPitch(p->loc[j].evtV[i].pitch,NULL,0),X);
}
else
printf(" ");
}
printf("\n");
}
}
unsigned cmScTrkExec( cmScTrk* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
{
unsigned ret_idx = cmInvalidIdx;
//cmScFolExec(p->sfp, smpIdx, status, d0, d1);
if( (status&0xf0) != kNoteOnMdId )
return cmInvalidIdx;
if( p->curLocIdx == cmInvalidIdx )
{
cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An initial score search location has not been set." );
return cmInvalidIdx;
}
int i,nei,nli=cmInvalidIdx;
// try to match curLocIdx first
if((nei = _cmScTrkIsMatch(p,0,d0)) != cmInvalidIdx )
nli = p->curLocIdx;
for(i=1; nei==cmInvalidIdx && i<p->minWndLookAhead; ++i)
{
// go forward
if((nei = _cmScTrkIsMatch(p,i,d0)) != cmInvalidIdx )
nli = p->curLocIdx + i;
else
// go backward
if((nei = _cmScTrkIsMatch(p,-i,d0)) != cmInvalidIdx )
nli = p->curLocIdx - i;
}
if( p->printFl )
{
_cmScTrkRpt0(p, d0, d1, nli, nei );
}
if( nli != cmInvalidIdx )
{
p->loc[nli].evtV[nei].matchFl = true;
ret_idx = p->loc[nli].scIdx;
if( nli > p->curLocIdx )
p->curLocIdx = nli;
}
++p->evtIndex;
return ret_idx;
}
//=======================================================================================================================
//----------------------------------------------------------------------------------------
void ed_print_mtx( ed_r* r)
{
unsigned i,j,k;
for(i=0; i<r->rn; ++i)
{
for(j=0; j<r->cn; ++j)
{
printf("(");
const ed_val* vp = r->m + i + (j*r->rn);
for(k=0; k<kEdCnt; ++k)
{
printf("%i",vp->v[k]);
if( k<kEdCnt-1)
printf(", ");
else
printf(" ");
}
printf("%c)",vp->transFl?'t':' ');
}
printf("\n");
}
}
void ed_init( ed_r* r, const char* s0, const char* s1 )
{
unsigned i,j,k;
r->rn = strlen(s0)+1;
r->cn = strlen(s1)+1;
r->m = cmMemAllocZ(ed_val, r->rn*r->cn );
r->pn = r->rn + r->cn;
r->p_mem = cmMemAllocZ(ed_path, 2*r->pn );
r->p_avl = r->p_mem;
r->p_cur = NULL;
r->p_opt = r->p_mem + r->pn;
r->s_opt = DBL_MAX;
r->s0 = s0;
r->s1 = s1;
for(i=0; i<r->rn; ++i)
for(j=0; j<r->cn; ++j)
{
unsigned v[] = {0,0,0,0};
if( i == 0 )
{
v[kEdMinIdx] = j;
v[kEdInsIdx] = j;
}
else
if( j == 0 )
{
v[kEdMinIdx] = i;
v[kEdDelIdx] = i;
}
for(k=0; k<kEdCnt; ++k)
r->m[ i + (j*r->rn) ].v[k] = v[k];
}
// put pn path records on the available list
for(i=0; i<r->pn; ++i)
r->p_mem[i].next = i<r->pn-1 ? r->p_mem + i + 1 : NULL;
}
unsigned _ed_min( ed_r* r, unsigned i, unsigned j )
{
assert( i<r->rn && j<r->cn );
return r->m[ i + (j*r->rn) ].v[kEdMinIdx];
}
bool _ed_is_trans( ed_r* r, const ed_val* v1p, unsigned i, unsigned j )
{
bool fl = false;
ed_val* v0p = r->m + i + (j*r->rn);
if( i>=1 && j>=1 &&
v1p->v[kEdMinIdx] == v1p->v[kEdSubIdx]
&& v1p->matchFl == false
&& v0p->v[kEdMinIdx] == v0p->v[kEdSubIdx]
&& v0p->matchFl == false )
{
char c00 = r->s0[i-1];
char c01 = r->s0[i ];
char c10 = r->s1[j-1];
char c11 = r->s1[j ];
fl = c00==c11 && c01==c10;
}
return fl;
}
void ed_calc_mtx( ed_r* r )
{
unsigned i,j;
for(i=1; i<r->rn; ++i)
for(j=1; j<r->cn; ++j)
{
ed_val* vp = r->m + i + (j*r->rn);
vp->matchFl = r->s0[i-1] == r->s1[j-1];
unsigned cost = vp->matchFl ? 0 : 1;
vp->v[kEdSubIdx] = _ed_min(r,i-1,j-1) + cost;
vp->v[kEdDelIdx] = _ed_min(r,i-1,j ) + 1;
vp->v[kEdInsIdx] = _ed_min(r,i, j-1) + 1;
vp->v[kEdMinIdx] = cmMin( vp->v[kEdSubIdx], cmMin(vp->v[kEdDelIdx],vp->v[kEdInsIdx]));
vp->transFl = _ed_is_trans(r,vp,i-1,j-1);
}
}
void ed_path_push( ed_r* r, unsigned code, unsigned ri, unsigned ci, bool matchFl, bool transFl )
{
assert(r->p_avl != NULL );
ed_path* p = r->p_avl;
r->p_avl = r->p_avl->next;
p->code = code;
p->ri = ri;
p->ci = ci;
p->matchFl = matchFl;
p->transFl = transFl;
p->next = r->p_cur;
r->p_cur = p;
}
void ed_path_pop( ed_r* r )
{
assert( r->p_cur != NULL );
ed_path* tp = r->p_cur->next;
r->p_cur->next = r->p_avl;
r->p_avl = r->p_cur;
r->p_cur = tp;
}
double ed_score_candidate( ed_r* r )
{
ed_path* cp = r->p_cur;
ed_path* bp = r->p_cur;
ed_path* ep = NULL;
for(; cp!=NULL; cp=cp->next)
if( cp->code != kEdInsIdx )
{
bp = cp;
break;
}
for(; cp!=NULL; cp=cp->next)
if( cp->code!=kEdInsIdx )
ep = cp;
assert( ep!=NULL && bp!=ep);
unsigned n=1;
for(cp=bp; cp!=ep; cp=cp->next)
++n;
double gapCnt = 0;
double penalty = 0;
bool pfl = bp->matchFl;
unsigned i;
cp = bp;
for(i=0; i<n; ++i,cp=cp->next)
{
// a gap is a transition from a matching subst. to an insert or deletion
//if( pc != cp->code && cp->code != kEdSubIdx && pc==kEdSubIdx && pfl==true )
if( pfl==true && cp->matchFl==false )
++gapCnt;
//
switch( cp->code )
{
case kEdSubIdx:
penalty += cp->matchFl ? 0 : 1;
penalty -= cp->transFl ? 1 : 0;
break;
case kEdDelIdx:
penalty += 1;
break;
case kEdInsIdx:
penalty += 1;
break;
}
pfl = cp->matchFl;
}
double score = gapCnt/n + penalty;
printf("n:%i gaps:%f gap_score:%f penalty:%f score:%f\n",n,gapCnt,gapCnt/n,penalty,score);
return score;
}
void ed_eval_candidate( ed_r* r, double score )
{
if( r->s_opt == DBL_MAX || r->s_opt > score)
{
// copy the p_cur to p_opt[]
ed_path* cp = r->p_cur;
unsigned i;
for(i=0; cp!=NULL && i<r->pn; cp=cp->next,++i)
{
r->p_opt[i].code = cp->code;
r->p_opt[i].ri = cp->ri;
r->p_opt[i].ci = cp->ci;
r->p_opt[i].matchFl = cp->matchFl;
r->p_opt[i].transFl = cp->transFl;
}
assert( i < r->pn );
r->p_opt[i].code = 0; // terminate with code=0
r->s_opt = score;
}
}
void ed_print_opt( ed_r* r )
{
unsigned i;
for(i=0; r->p_opt[i].code!=0; ++i)
{
ed_path* cp = r->p_opt + i;
char c0 = cp->matchFl ? 'm' : ' ';
char c1 = cp->transFl ? 't' : ' ';
printf("%2i code:%i ri:%2i ci:%2i %c%c\n",i,cp->code,cp->ri,cp->ci,c0,c1);
}
printf("score:%f\n",r->s_opt);
}
void ed_print_candidate( ed_r* r )
{
ed_path* cp = r->p_cur;
unsigned pn = r->pn;
unsigned i;
char s0[pn+1];
char s1[pn+1];
char s2[pn+1];
char s3[pn+1];
s0[pn] = 0;
s1[pn] = 0;
s2[pn] = 0;
s3[pn] = 0;
for(i=0; i<pn && cp!=NULL; ++i,cp=cp->next)
{
switch(cp->code)
{
case kEdSubIdx: // subst
assert( 0 <= cp->ri && cp->ri <= r->rn );
assert( 0 <= cp->ci && cp->ci <= r->cn );
s0[i] = r->s0[cp->ri];
s1[i] = r->s1[cp->ci];
s2[i] = 's';
s3[i] = cp->matchFl ? 'm' : ' ';
break;
case kEdDelIdx: // delete
assert( 0 <= cp->ri && cp->ri <= r->rn );
s0[i] = r->s0[cp->ri];
s1[i] = ' ';
s2[i] = 'd';
s3[i] = ' ';
break;
case kEdInsIdx: // insert
assert( 0 <= cp->ci && cp->ci <= r->cn );
s0[i] = ' ';
s1[i] = r->s1[cp->ci];
s2[i] = 'i';
s3[i] = ' ';
break;
}
}
if( i < pn )
{
s0[i] = 0;
s1[i] = 0;
s2[i] = 0;
s3[i] = 0;
}
printf("\ns0:%s\n",s0);
printf("s1:%s\n",s1);
printf("s2:%s\n",s2);
printf("s3:%s\n",s3);
}
// traverse the solution matrix from the lower-right to
// the upper-left.
void ed_node( ed_r* r, int i, int j )
{
unsigned m;
// stop when the upper-right is encountered
if( i==0 && j==0 )
{
ed_print_candidate(r);
ed_eval_candidate(r, ed_score_candidate(r) );
return;
}
ed_val* vp = r->m + i + (j*r->rn);
// for each possible dir: up,left,up-left
for(m=1; m<kEdCnt; ++m)
if( vp->v[m] == vp->v[kEdMinIdx] )
{
unsigned ii = i-1;
unsigned jj = j-1;
switch(m)
{
case kEdSubIdx:
break;
case kEdDelIdx:
jj = j;
break;
case kEdInsIdx:
ii = i;
break;
}
// prepend to the current candidate path: r->p_cur
ed_path_push(r,m,ii,jj,vp->matchFl,vp->transFl);
// recurse!
ed_node(r,ii,jj);
// remove the first element from the current path
ed_path_pop(r);
}
}
void ed_align( ed_r* r )
{
int i = r->rn-1;
int j = r->cn-1;
unsigned m = r->m[i + (j*r->rn)].v[kEdMinIdx];
if( m==cmMax(r->rn,r->cn) )
printf("Edit distance is at max: %i. No Match.\n",m);
else
ed_node(r,i,j);
}
void ed_free( ed_r* r )
{
cmMemFree(r->m);
cmMemFree(r->p_mem);
}
void ed_main()
{
const char* s0 = "YHCQPGK";
const char* s1 = "LAHYQQKPGKA";
s0 = "ABCDE";
s1 = "ABDCE";
//s1 = "FGHIJK";
ed_r r;
ed_init(&r,s0,s1);
ed_calc_mtx(&r);
ed_print_mtx(&r);
ed_align(&r);
ed_print_opt(&r);
ed_free(&r);
}
//=======================================================================================================================
cmScMatch* cmScMatchAlloc( cmCtx* c, cmScMatch* p, cmScH_t scH, unsigned maxScWndN, unsigned maxMidiWndN )
{
cmScMatch* op = cmObjAlloc(cmScMatch,c,p);
if( cmScoreIsValid(scH) )
if( cmScMatchInit(op,scH,maxScWndN,maxMidiWndN) != cmOkRC )
cmScMatchFree(&op);
return op;
}
cmRC_t cmScMatchFree( cmScMatch** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScMatch* p = *pp;
if((rc = cmScMatchFinal(p)) != cmOkRC )
return rc;
cmMemFree(p->loc);
cmMemFree(p->m);
cmMemFree(p->p_mem);
cmObjFree(pp);
return rc;
}
void _cmScMatchInitLoc( cmScMatch* p )
{
unsigned li,ei;
p->locN = cmScoreEvtCount(p->scH);
p->loc = cmMemResizeZ(cmScMatchLoc_t,p->loc,p->locN);
// for each score location
for(li=0,ei=0; li<cmScoreLocCount(p->scH); ++li)
{
unsigned i,n;
const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
// count the number of note events at location li
for(n=0,i=0; i<lp->evtCnt; ++i)
if( lp->evtArray[i]->type == kNonEvtScId )
++n;
assert( ei+n <= p->locN );
// duplicate each note at location li n times
for(i=0; i<n; ++i)
{
unsigned j,k;
p->loc[ei+i].evtCnt = n;
p->loc[ei+i].evtV = cmMemAllocZ(cmScMatchEvt_t,n);
p->loc[ei+i].scLocIdx = li;
p->loc[ei+i].barNumb = lp->barNumb;
for(j=0,k=0; j<lp->evtCnt; ++j)
if( lp->evtArray[j]->type == kNonEvtScId )
{
p->loc[ei+i].evtV[k].pitch = lp->evtArray[j]->pitch;
p->loc[ei+i].evtV[k].scEvtIdx = lp->evtArray[j]->index;
++k;
}
}
ei += n;
}
assert(ei<=p->locN);
p->locN = ei;
}
cmRC_t cmScMatchInit( cmScMatch* p, cmScH_t scH, unsigned maxScWndN, unsigned maxMidiWndN )
{
unsigned i;
cmRC_t rc;
if((rc = cmScMatchFinal(p)) != cmOkRC )
return rc;
p->scH = scH;
p->mrn = maxMidiWndN + 1;
p->mcn = maxScWndN + 1;
p->mmn = maxMidiWndN;
p->msn = maxScWndN;
_cmScMatchInitLoc(p);
p->m = cmMemResizeZ(cmScMatchVal_t, p->m, p->mrn*p->mcn );
p->pn = p->mrn + p->mcn;
p->p_mem = cmMemResizeZ(cmScMatchPath_t, p->p_mem, 2*p->pn );
p->p_avl = p->p_mem;
p->p_cur = NULL;
p->p_opt = p->p_mem + p->pn;
// put pn path records on the available list
for(i=0; i<p->pn; ++i)
{
p->p_mem[i].next = i<p->pn-1 ? p->p_mem + i + 1 : NULL;
p->p_opt[i].next = i<p->pn-1 ? p->p_opt + i + 1 : NULL;
}
return rc;
}
cmRC_t cmScMatchFinal( cmScMatch* p )
{
unsigned i;
if( p != NULL )
for(i=0; i<p->locN; ++i)
cmMemPtrFree(&p->loc[i].evtV);
return cmOkRC;
}
cmRC_t _cmScMatchInitMtx( cmScMatch* p, unsigned rn, unsigned cn )
{
//if( rn >p->mrn && cn > p->mcn )
if( rn*cn > p->mrn*p->mcn )
{
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "MIDI sequence length must be less than %i. Score sequence length must be less than %i.",p->mmn,p->msn);
}
// if the size of the mtx is not changing then there is nothing to do
if( rn == p->rn && cn == p->cn )
return cmOkRC;
// update the mtx size
p->rn = rn;
p->cn = cn;
// fill in the default values for the first row
// and column of the DP matrix
unsigned i,j,k;
for(i=0; i<rn; ++i)
for(j=0; j<cn; ++j)
{
unsigned v[] = {0,0,0,0};
if( i == 0 )
{
v[kSmMinIdx] = j;
v[kSmInsIdx] = j;
}
else
if( j == 0 )
{
v[kSmMinIdx] = i;
v[kSmDelIdx] = i;
}
// zero the value field
for(k=0; k<kSmCnt; ++k)
p->m[ i + (j*rn) ].v[k] = v[k];
}
return cmOkRC;
}
cmScMatchVal_t* _cmScMatchValPtr( cmScMatch* p, unsigned i, unsigned j, unsigned rn, unsigned cn )
{
assert( i < rn && j < cn );
return p->m + i + (j*rn);
}
unsigned _cmScMatchIsMatchIndex( const cmScMatchLoc_t* loc, unsigned pitch )
{
unsigned i;
for(i=0; i<loc->evtCnt; ++i)
if( loc->evtV[i].pitch == pitch )
return i;
return cmInvalidIdx;
}
bool _cmScMatchIsMatch( const cmScMatchLoc_t* loc, unsigned pitch )
{ return _cmScMatchIsMatchIndex(loc,pitch) != cmInvalidIdx; }
bool _cmScMatchIsTrans( cmScMatch* p, const cmScMatchMidi_t* midiV, const cmScMatchVal_t* v1p, unsigned bsi, unsigned i, unsigned j, unsigned rn, unsigned cn )
{
bool fl = false;
cmScMatchVal_t* v0p = _cmScMatchValPtr(p,i,j,rn,cn);
if( i>=1 && j>=1
&& v1p->v[kSmMinIdx] == v1p->v[kSmSubIdx]
&& cmIsNotFlag(v1p->flags,kSmMatchFl)
&& v0p->v[kSmMinIdx] == v0p->v[kSmSubIdx]
&& cmIsNotFlag(v0p->flags,kSmMatchFl)
)
{
unsigned c00 = midiV[i-1].pitch;
unsigned c01 = midiV[i ].pitch;
cmScMatchLoc_t* c10 = p->loc + bsi + j - 1;
cmScMatchLoc_t* c11 = p->loc + bsi + j;
fl = _cmScMatchIsMatch(c11,c00) && _cmScMatchIsMatch(c10,c01);
}
return fl;
}
unsigned _cmScMatchMin( cmScMatch* p, unsigned i, unsigned j, unsigned rn, unsigned cn )
{
return _cmScMatchValPtr(p,i,j,rn,cn)->v[kSmMinIdx];
}
// Return false if bsi + cn > p->locN
// pitchV[rn-1]
bool _cmScMatchCalcMtx( cmScMatch* p, unsigned bsi, const cmScMatchMidi_t* midiV, unsigned rn, unsigned cn )
{
// loc[begScanLocIdx:begScanLocIdx+cn-1] must be valid
if( bsi + cn > p->locN )
return false;
unsigned i,j;
for(j=1; j<cn; ++j)
for(i=1; i<rn; ++i)
{
cmScMatchLoc_t* loc = p->loc + bsi + j - 1;
unsigned pitch = midiV[i-1].pitch;
cmScMatchVal_t* vp = _cmScMatchValPtr(p,i,j,rn,cn);
unsigned idx = _cmScMatchIsMatchIndex(loc,pitch);
vp->flags = idx==cmInvalidIdx ? 0 : kSmMatchFl;
vp->scEvtIdx = idx==cmInvalidIdx ? cmInvalidIdx : loc->evtV[idx].scEvtIdx;
unsigned cost = cmIsFlag(vp->flags,kSmMatchFl) ? 0 : 1;
vp->v[kSmSubIdx] = _cmScMatchMin(p,i-1,j-1, rn, cn) + cost;
vp->v[kSmDelIdx] = _cmScMatchMin(p,i-1,j , rn, cn) + 1;
vp->v[kSmInsIdx] = _cmScMatchMin(p,i, j-1, rn, cn) + 1;
vp->v[kSmMinIdx] = cmMin( vp->v[kSmSubIdx], cmMin(vp->v[kSmDelIdx],vp->v[kSmInsIdx]));
vp->flags |= _cmScMatchIsTrans(p,midiV,vp,bsi,i-1,j-1,rn,cn) ? kSmTransFl : 0;
}
return true;
}
void _cmScMatchPrintMtx( cmScMatch* r, unsigned rn, unsigned cn)
{
unsigned i,j,k;
for(i=0; i<rn; ++i)
{
for(j=0; j<cn; ++j)
{
printf("(");
const cmScMatchVal_t* vp = _cmScMatchValPtr(r,i,j,rn,cn);
for(k=0; k<kSmCnt; ++k)
{
printf("%i",vp->v[k]);
if( k<kSmCnt-1)
printf(", ");
else
printf(" ");
}
printf("%c%c)",cmIsFlag(vp->flags,kSmMatchFl)?'m':' ',cmIsFlag(vp->flags,kSmTransFl)?'t':' ');
}
printf("\n");
}
}
void _cmScMatchPathPush( cmScMatch* r, unsigned code, unsigned ri, unsigned ci, unsigned flags, unsigned scEvtIdx )
{
assert(r->p_avl != NULL );
cmScMatchPath_t* p = r->p_avl;
r->p_avl = r->p_avl->next;
p->code = code;
p->ri = ri;
p->ci = ci;
p->flags = code==kSmSubIdx && cmIsFlag(flags,kSmMatchFl) ? kSmMatchFl : 0;
p->flags |= cmIsFlag(flags,kSmTransFl) ? kSmTransFl : 0;
p->scEvtIdx= scEvtIdx;
p->next = r->p_cur;
r->p_cur = p;
}
void _cmScMatchPathPop( cmScMatch* r )
{
assert( r->p_cur != NULL );
cmScMatchPath_t* tp = r->p_cur->next;
r->p_cur->next = r->p_avl;
r->p_avl = r->p_cur;
r->p_cur = tp;
}
double _cmScMatchCalcCandidateCost( cmScMatch* r )
{
cmScMatchPath_t* cp = r->p_cur;
cmScMatchPath_t* bp = r->p_cur;
cmScMatchPath_t* ep = NULL;
// skip leading inserts
for(; cp!=NULL; cp=cp->next)
if( cp->code != kSmInsIdx )
{
bp = cp;
break;
}
// skip to trailing inserts
for(; cp!=NULL; cp=cp->next)
if( cp->code!=kSmInsIdx )
ep = cp;
// count remaining path length
assert( ep!=NULL );
unsigned n=1;
for(cp=bp; cp!=ep; cp=cp->next)
++n;
double gapCnt = 0;
double penalty = 0;
bool pfl = cmIsFlag(bp->flags,kSmMatchFl);
unsigned i;
cp = bp;
for(i=0; i<n; ++i,cp=cp->next)
{
// a gap is a transition from a matching subst. to an insert or deletion
//if( pc != cp->code && cp->code != kSmSubIdx && pc==kSmSubIdx && pfl==true )
if( pfl==true && cmIsFlag(cp->flags,kSmMatchFl)==false )
++gapCnt;
//
switch( cp->code )
{
case kSmSubIdx:
penalty += cmIsFlag(cp->flags,kSmMatchFl) ? 0 : 1;
penalty -= cmIsFlag(cp->flags,kSmTransFl) ? 1 : 0;
break;
case kSmDelIdx:
penalty += 1;
break;
case kSmInsIdx:
penalty += 1;
break;
}
pfl = cmIsFlag(cp->flags,kSmMatchFl);
}
double cost = gapCnt/n + penalty;
//printf("n:%i gaps:%f gap_score:%f penalty:%f score:%f\n",n,gapCnt,gapCnt/n,penalty,score);
return cost;
}
double _cmScMatchEvalCandidate( cmScMatch* r, double min_cost, double cost )
{
if( min_cost == DBL_MAX || cost < min_cost)
{
// copy the p_cur to p_opt[]
cmScMatchPath_t* cp = r->p_cur;
unsigned i;
for(i=0; cp!=NULL && i<r->pn; cp=cp->next,++i)
{
r->p_opt[i].code = cp->code;
r->p_opt[i].ri = cp->ri;
r->p_opt[i].ci = cp->ci;
r->p_opt[i].flags = cp->flags;
r->p_opt[i].scEvtIdx= cp->scEvtIdx;
r->p_opt[i].next = cp->next==NULL ? NULL : r->p_opt + i + 1;
}
assert( i < r->pn );
r->p_opt[i].code = 0; // terminate with code=0
min_cost = cost;
}
return min_cost;
}
// NOTE: IF THE COST CALCULATION WAS BUILT INTO THE RECURSION THEN
// THIS FUNCTION COULD BE MADE MORE EFFICIENT BECAUSE PATHS WHICH
// EXCEEDED THE min_cost COULD BE SHORT CIRCUITED.
//
// traverse the solution matrix from the lower-right to
// the upper-left.
double _cmScMatchGenPaths( cmScMatch* r, int i, int j, unsigned rn, unsigned cn, double min_cost )
{
unsigned m;
// stop when the upper-right is encountered
if( i==0 && j==0 )
return _cmScMatchEvalCandidate(r, min_cost, _cmScMatchCalcCandidateCost(r) );
cmScMatchVal_t* vp = _cmScMatchValPtr(r,i,j,rn,cn);
// for each possible dir: up,left,up-left
for(m=1; m<kSmCnt; ++m)
if( vp->v[m] == vp->v[kSmMinIdx] )
{
// prepend to the current candidate path: r->p_cur
_cmScMatchPathPush(r,m,i,j,vp->flags,vp->scEvtIdx);
int ii = i-1;
int jj = j-1;
switch(m)
{
case kSmSubIdx:
break;
case kSmDelIdx:
jj = j;
break;
case kSmInsIdx:
ii = i;
break;
default:
{ assert(0); }
}
// recurse!
min_cost = _cmScMatchGenPaths(r,ii,jj,rn,cn,min_cost);
// remove the first element from the current path
_cmScMatchPathPop(r);
}
return min_cost;
}
double _cmScMatchAlign( cmScMatch* p, unsigned rn, unsigned cn, double min_cost )
{
int i = rn-1;
int j = cn-1;
unsigned m = _cmScMatchMin(p,i,j,rn,cn);
if( m==cmMax(rn,cn) )
printf("Edit distance is at max: %i. No Match.\n",m);
else
min_cost = _cmScMatchGenPaths(p,i,j,rn,cn,min_cost);
return min_cost;
}
cmRC_t cmScMatchExec( cmScMatch* p, unsigned locIdx, unsigned locN, const cmScMatchMidi_t* midiV, unsigned midiN, double min_cost )
{
cmRC_t rc;
unsigned rn = midiN + 1;
unsigned cn = locN + 1;
// set the DP matrix default values
if((rc = _cmScMatchInitMtx(p, rn, cn )) != cmOkRC )
return rc;
// _cmScMatchCalcMtx() returns false if the score window exceeds the length of the score
if(!_cmScMatchCalcMtx(p,locIdx, midiV, rn, cn) )
return cmEofRC;
//_cmScMatchPrintMtx(p,rn,cn);
// locate the path through the DP matrix with the lowest edit distance (cost)
p->opt_cost = _cmScMatchAlign(p, rn, cn, min_cost);
return rc;
}
// Traverse the least cost path and:
// 1) Return, esi, the score location index of the last MIDI note
// which has a positive match with the score and assign
// the internal score index to cp->locIdx.
//
// 2) Set cmScAlignPath_t.locIdx - index into p->loc[] associated
// with each path element that is a 'substitute' or an 'insert'.
//
// 3) Set *missCnPtr: the count of trailing non-positive matches.
//
// i_opt is index into p->loc[] of p->p_opt.
unsigned cmScMatchDoSync( cmScMatch* p, unsigned i_opt, cmScMatchMidi_t* midiBuf, unsigned midiN, unsigned* missCntPtr )
{
cmScMatchPath_t* cp = p->p_opt;
unsigned missCnt = 0;
unsigned esi = cmInvalidIdx;
unsigned i;
for(i=0; cp!=NULL; cp=cp->next)
{
// there is no MIDI note associated with 'inserts'
if( cp->code != kSmInsIdx )
{
assert( cp->ri > 0 );
midiBuf[ cp->ri-1 ].locIdx = cmInvalidIdx;
}
switch( cp->code )
{
case kSmSubIdx:
midiBuf[ cp->ri-1 ].locIdx = i_opt + i;
midiBuf[ cp->ri-1 ].scEvtIdx = cp->scEvtIdx;
if( cmIsFlag(cp->flags,kSmMatchFl) )
{
esi = i_opt + i;
missCnt = 0;
}
else
{
++missCnt;
}
// fall through
case kSmInsIdx:
cp->locIdx = i_opt + i;
++i;
break;
case kSmDelIdx:
cp->locIdx = cmInvalidIdx;
++missCnt;
break;
}
}
if( missCntPtr != NULL )
*missCntPtr = missCnt;
return esi;
}
void _cmScMatchMidiEvtFlags( cmScMatch* p, const cmScMatchLoc_t* lp, unsigned evtIdx, char* s, unsigned sn )
{
const cmScoreLoc_t* slp = cmScoreLoc(p->scH,lp->scLocIdx);
assert( evtIdx < slp->evtCnt );
const cmScoreEvt_t* ep = slp->evtArray[evtIdx];
unsigned i = 0;
s[0] = 0;
if( cmIsFlag(ep->flags,kEvenScFl) )
s[i++] = 'e';
if( cmIsFlag(ep->flags,kTempoScFl) )
s[i++] = 't';
if( cmIsFlag(ep->flags,kDynScFl) )
s[i++] = 'd';
if( cmIsFlag(ep->flags,kGraceScFl) )
s[i++] = 'g';
s[i++] = 0;
assert( i <= sn );
}
void _cmScMatchPrintPath( cmScMatch* p, cmScMatchPath_t* cp, unsigned bsi, const cmScMatchMidi_t* midiV )
{
assert( bsi != cmInvalidIdx );
cmScMatchPath_t* pp = cp;
int polyN = 0;
int i;
printf("loc: ");
// get the polyphony count for the score window
for(i=0; pp!=NULL; pp=pp->next)
{
cmScMatchLoc_t* lp = p->loc + bsi + pp->ci;
if( pp->code!=kSmDelIdx )
{
if(lp->evtCnt > polyN)
polyN = lp->evtCnt;
printf("%4i%4s ",bsi+i," ");
++i;
}
else
printf("%4s%4s "," "," ");
}
printf("\n");
// print the score notes
for(i=polyN; i>0; --i)
{
printf("%3i: ",i);
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->code!=kSmDelIdx )
{
int locIdx = bsi + pp->ci - 1;
assert(0 <= locIdx && locIdx <= p->locN);
cmScMatchLoc_t* lp = p->loc + locIdx;
if( lp->evtCnt >= i )
{
unsigned sn = 6;
char s[sn];
_cmScMatchMidiEvtFlags(p,lp,i-1,s,sn );
printf("%4s%-4s ",cmMidiToSciPitch(lp->evtV[i-1].pitch,NULL,0),s);
}
else
printf("%4s%4s "," "," ");
}
else
printf("%4s%4s ", (pp->code==kSmDelIdx? "-" : " ")," ");
/*
int locIdx = bsi + pp->ci - 1;
assert(0 <= locIdx && locIdx <= p->locN);
cmScMatchLoc_t* lp = p->loc + locIdx;
if( pp->code!=kSmDelIdx && lp->evtCnt >= i )
printf("%4s ",cmMidiToSciPitch(lp->evtV[i-1].pitch,NULL,0));
else
printf("%4s ", pp->code==kSmDelIdx? "-" : " ");
*/
}
printf("\n");
}
printf("mid: ");
// print the MIDI buffer
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->code!=kSmInsIdx )
printf("%4s%4s ",cmMidiToSciPitch(midiV[pp->ri-1].pitch,NULL,0)," ");
else
printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
}
printf("\nvel: ");
// print the MIDI velocity
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->code!=kSmInsIdx )
printf("%4i%4s ",midiV[pp->ri-1].vel," ");
else
printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
}
printf("\nmni: ");
// print the MIDI buffer index (mni)
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->code!=kSmInsIdx )
printf("%4i%4s ",midiV[pp->ri-1].mni," ");
else
printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
}
printf("\n op: ");
// print the substitute/insert/delete operation
for(pp=cp; pp!=NULL; pp=pp->next)
{
char c = ' ';
switch( pp->code )
{
case kSmSubIdx: c = 's'; break;
case kSmDelIdx: c = 'd'; break;
case kSmInsIdx: c = 'i'; break;
default:
{ assert(0); }
}
printf("%4c%4s ",c," ");
}
printf("\n ");
// give substitute attribute (match or transpose)
for(pp=cp; pp!=NULL; pp=pp->next)
{
cmChar_t s[3];
int k = 0;
if( cmIsFlag(pp->flags,kSmMatchFl) )
s[k++] = 'm';
if( cmIsFlag(pp->flags,kSmTransFl) )
s[k++] = 't';
s[k] = 0;
printf("%4s%4s ",s," ");
}
printf("\nscl: ");
// print the stored location index
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->locIdx == cmInvalidIdx )
printf("%4s%4s "," "," ");
else
printf("%4i%4s ",p->loc[pp->locIdx].scLocIdx," ");
}
printf("\nbar: ");
// print the stored location index
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->locIdx==cmInvalidIdx || pp->scEvtIdx==cmInvalidIdx )
printf("%4s%4s "," "," ");
else
{
const cmScoreEvt_t* ep = cmScoreEvt(p->scH, pp->scEvtIdx );
printf("%4i%4s ",ep->barNumb," ");
}
}
printf("\nsec: ");
// print seconds
unsigned begSmpIdx = cmInvalidIdx;
for(pp=cp; pp!=NULL; pp=pp->next)
{
if( pp->code!=kSmInsIdx )
{
if( begSmpIdx == cmInvalidIdx )
begSmpIdx = midiV[pp->ri-1].smpIdx;
printf("%2.2f%4s ", (double)(midiV[pp->ri-1].smpIdx - begSmpIdx)/96000.0," ");
}
else
printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
}
printf("\n\n");
}
//=======================================================================================================================
cmScMatcher* cmScMatcherAlloc( cmCtx* c, cmScMatcher* p, double srate, cmScH_t scH, unsigned scWndN, unsigned midiWndN, cmScMatcherCb_t cbFunc, void* cbArg )
{
cmScMatcher* op = cmObjAlloc(cmScMatcher,c,p);
if( op != NULL )
op->mp = cmScMatchAlloc(c,NULL,cmScNullHandle,0,0);
if( srate != 0 )
{
if( cmScMatcherInit(op,srate,scH,scWndN,midiWndN,cbFunc,cbArg) != cmOkRC )
cmScMatcherFree(&op);
}
return op;
}
cmRC_t cmScMatcherFree( cmScMatcher** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScMatcher* p = *pp;
if((rc = cmScMatcherFinal(p)) != cmOkRC )
return rc;
cmScMatchFree(&p->mp);
cmMemFree(p->midiBuf);
cmMemFree(p->res);
cmObjFree(pp);
return rc;
}
cmRC_t cmScMatcherInit( cmScMatcher* p, double srate, cmScH_t scH, unsigned scWndN, unsigned midiWndN, cmScMatcherCb_t cbFunc, void* cbArg )
{
cmRC_t rc;
if((rc = cmScMatcherFinal(p)) != cmOkRC )
return rc;
if( midiWndN > scWndN )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score alignment MIDI event buffer length (%i) must be less than the score window length (%i).",midiWndN,scWndN);
if(( rc = cmScMatchInit(p->mp,scH,scWndN,midiWndN)) != cmOkRC )
return rc;
p->cbFunc = cbFunc;
p->cbArg = cbArg;
p->mn = midiWndN;
p->midiBuf = cmMemResizeZ(cmScMatchMidi_t,p->midiBuf,p->mn);
p->initHopCnt = 50;
p->stepCnt = 3;
p->maxMissCnt = p->stepCnt+1;
p->rn = 2 * cmScoreEvtCount(scH);
p->res = cmMemResizeZ(cmScMatcherResult_t,p->res,p->rn);
p->printFl = false;
cmScMatcherReset(p,0);
return rc;
}
cmRC_t cmScMatcherFinal( cmScMatcher* p )
{
return cmScMatchFinal(p->mp);
}
cmRC_t cmScMatcherReset( cmScMatcher* p, unsigned scLocIdx )
{
p->mbi = p->mp->mmn;
p->mni = 0;
p->begSyncLocIdx = cmInvalidIdx;
p->s_opt = DBL_MAX;
p->missCnt = 0;
p->scanCnt = 0;
p->ri = 0;
p->eli = cmInvalidIdx;
p->ili = 0;
// convert scLocIdx to an index into p->mp->loc[]
unsigned i = 0;
while(1)
{
for(i=0; i<p->mp->locN; ++i)
if( p->mp->loc[i].scLocIdx == scLocIdx )
{
p->ili = i;
break;
}
assert(p->mp->locN>0);
if( i!=p->mp->locN || scLocIdx==p->mp->loc[p->mp->locN-1].scLocIdx)
break;
scLocIdx += 1;
}
if( i==p->mp->locN)
return cmCtxRtCondition( &p->obj, cmSubSysFailRC, "Score matcher reset failed.");
return cmOkRC;
}
bool cmScMatcherInputMidi( cmScMatcher* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
{
if( (status&0xf0) != kNoteOnMdId)
return false;
if( d1 == 0 )
return false;
unsigned mi = p->mn-1;
//printf("%3i %4s\n",p->mni,cmMidiToSciPitch(d0,NULL,0));
// shift the new MIDI event onto the end of the MIDI buffer
memmove(p->midiBuf, p->midiBuf+1, sizeof(cmScMatchMidi_t)*mi);
p->midiBuf[mi].locIdx = cmInvalidIdx;
p->midiBuf[mi].scEvtIdx = cmInvalidIdx;
p->midiBuf[mi].mni = p->mni++;
p->midiBuf[mi].smpIdx = smpIdx;
p->midiBuf[mi].pitch = d0;
p->midiBuf[mi].vel = d1;
if( p->mbi > 0 )
--p->mbi;
return true;
}
void _cmScMatcherStoreResult( cmScMatcher* p, unsigned locIdx, unsigned scEvtIdx, unsigned flags, const cmScMatchMidi_t* mp )
{
// don't store missed score note results
assert( mp != NULL );
bool matchFl = cmIsFlag(flags,kSmMatchFl);
bool tpFl = locIdx!=cmInvalidIdx && matchFl;
bool fpFl = locIdx==cmInvalidIdx || matchFl==false;
cmScMatcherResult_t * rp = NULL;
unsigned i;
cmScMatcherResult_t r;
assert( tpFl==false || (tpFl==true && locIdx != cmInvalidIdx ) );
// it is possible that the same MIDI event is reported more than once
// (due to step->scan back tracking) - try to find previous result records
// associated with this MIDI event
for(i=0; i<p->ri; ++i)
if( p->res[i].mni == mp->mni )
{
// if this is not the first time this note was reported and it is a true positive
if( tpFl )
{
rp = p->res + i;
break;
}
// a match was found but this was not a true-pos so ignore it
return;
}
if( rp == NULL )
{
if( p->ri >= p->rn )
{
rp = &r;
memset(rp,0,sizeof(r));
}
else
{
rp = p->res + p->ri;
++p->ri;
}
}
rp->locIdx = locIdx;
rp->scEvtIdx = scEvtIdx;
rp->mni = mp->mni;
rp->smpIdx = mp->smpIdx;
rp->pitch = mp->pitch;
rp->vel = mp->vel;
rp->flags = flags | (tpFl ? kSmTruePosFl : 0) | (fpFl ? kSmFalsePosFl : 0);
if( p->cbFunc != NULL )
p->cbFunc(p,p->cbArg,rp);
}
void cmScMatcherPrintPath( cmScMatcher* p )
{
_cmScMatchPrintPath(p->mp, p->mp->p_opt, p->begSyncLocIdx, p->midiBuf );
}
unsigned cmScMatcherScan( cmScMatcher* p, unsigned bli, unsigned hopCnt )
{
assert( p->mp != NULL && p->mp->mmn > 0 );
unsigned i_opt = cmInvalidIdx;
double s_opt = DBL_MAX;
cmRC_t rc = cmOkRC;
unsigned i;
// initialize the internal values set by this function
p->missCnt = 0;
p->eli = cmInvalidIdx;
p->s_opt = DBL_MAX;
// if the MIDI buf is not full
if( p->mbi != 0 )
return cmInvalidIdx;
// calc the edit distance from pitchV[] to a sliding score window
for(i=0; rc==cmOkRC && (hopCnt==cmInvalidCnt || i<hopCnt); ++i)
{
rc = cmScMatchExec(p->mp, bli + i, p->mp->msn, p->midiBuf, p->mp->mmn, s_opt );
switch(rc)
{
case cmOkRC: // normal result
if( p->mp->opt_cost < s_opt )
{
s_opt = p->mp->opt_cost;
i_opt = bli + i;
}
break;
case cmEofRC: // score window encountered the end of the score
break;
default: // error state
return cmInvalidIdx;
}
}
// store the cost assoc'd with i_opt
p->s_opt = s_opt;
if( i_opt == cmInvalidIdx )
return cmInvalidIdx;
// set the locIdx field in midiBuf[], trailing miss count and
// return the latest positive-match locIdx
p->eli = cmScMatchDoSync(p->mp,i_opt,p->midiBuf,p->mp->mmn,&p->missCnt);
// if no positive matches were found
if( p->eli == cmInvalidIdx )
i_opt = cmInvalidIdx;
else
{
cmScMatchPath_t* cp;
// record result
for(cp=p->mp->p_opt; cp!=NULL; cp=cp->next)
if( cp->code != kSmInsIdx )
_cmScMatcherStoreResult(p, cp->locIdx, cp->scEvtIdx, cp->flags, p->midiBuf + cp->ri - 1);
}
return i_opt;
}
cmRC_t cmScMatcherStep( cmScMatcher* p )
{
int i;
unsigned pitch = p->midiBuf[ p->mn-1 ].pitch;
unsigned locIdx = cmInvalidIdx;
unsigned pidx = cmInvalidIdx;
// the tracker must be sync'd to step
if( p->eli == cmInvalidIdx )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The p->eli value must be valid to perform a step operation.");
// if the end of the score has been reached
if( p->eli + 1 >= p->mp->locN )
return cmEofRC;
// attempt to match to next location first
if( (pidx = _cmScMatchIsMatchIndex(p->mp->loc + p->eli + 1, pitch)) != cmInvalidIdx )
{
locIdx = p->eli + 1;
}
else
{
//
for(i=2; i<p->stepCnt; ++i)
{
// go forward
if( p->eli+i < p->mp->locN && (pidx=_cmScMatchIsMatchIndex(p->mp->loc + p->eli + i, pitch))!=cmInvalidIdx )
{
locIdx = p->eli + i;
break;
}
// go backward
if( p->eli >= (i-1) && (pidx=_cmScMatchIsMatchIndex(p->mp->loc + p->eli - (i-1), pitch))!=cmInvalidIdx )
{
locIdx = p->eli - (i-1);
break;
}
}
}
unsigned scEvtIdx = locIdx==cmInvalidIdx ? cmInvalidIdx : p->mp->loc[locIdx].evtV[pidx].scEvtIdx;
p->midiBuf[ p->mn-1 ].locIdx = locIdx;
p->midiBuf[ p->mn-1 ].scEvtIdx = scEvtIdx;
if( locIdx == cmInvalidIdx )
++p->missCnt;
else
{
p->missCnt = 0;
p->eli = locIdx;
}
// store the result
_cmScMatcherStoreResult(p, locIdx, scEvtIdx, locIdx!=cmInvalidIdx ? kSmMatchFl : 0, p->midiBuf + p->mn - 1);
if( p->missCnt >= p->maxMissCnt )
{
unsigned begScanLocIdx = p->eli > p->mn ? p->eli - p->mn : 0;
p->s_opt = DBL_MAX;
unsigned bli = cmScMatcherScan(p,begScanLocIdx,p->mn*2);
++p->scanCnt;
// if the scan failed find a match
if( bli == cmInvalidIdx )
return cmCtxRtCondition( &p->obj, cmSubSysFailRC, "Scan resync. failed.");
}
return cmOkRC;
}
cmRC_t cmScMatcherExec( cmScMatcher* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1, unsigned* scLocIdxPtr )
{
bool fl = p->mbi > 0;
cmRC_t rc = cmOkRC;
unsigned org_eli = p->eli;
if( scLocIdxPtr != NULL )
*scLocIdxPtr = cmInvalidIdx;
// update the MIDI buffer with the incoming note
if( cmScMatcherInputMidi(p,smpIdx,status,d0,d1) == false )
return rc;
// if the MIDI buffer transitioned to full then perform an initial scan sync.
if( fl && p->mbi == 0 )
{
if( (p->begSyncLocIdx = cmScMatcherScan(p,p->ili,p->initHopCnt)) == cmInvalidIdx )
{
rc = cmInvalidArgRC; // signal init. scan sync. fail
}
else
{
//cmScMatcherPrintPath(p);
}
}
else
{
// if the MIDI buffer is full then perform a step sync.
if( !fl && p->mbi == 0 )
rc = cmScMatcherStep(p);
}
// if we lost sync
if( p->eli == cmInvalidIdx )
{
// IF WE LOST SYNC THEN WE BETTER DO SOMETHING - LIKE INCREASE THE SCAN HOPS
// ON THE NEXT EVENT.
p->eli = org_eli;
}
else
{
if( scLocIdxPtr!=NULL && p->eli != org_eli )
{
//printf("LOC:%i bar:%i\n",p->eli,p->mp->loc[p->eli].barNumb);
*scLocIdxPtr = p->mp->loc[p->eli].scLocIdx;
}
}
return rc;
}
double cmScMatcherFMeas( cmScMatcher* p )
{
unsigned bli = p->mp->locN;
unsigned eli = 0;
unsigned scNoteCnt = 0; // total count of score notes
unsigned matchCnt = 0; // count of matched notes (true positives)
unsigned wrongCnt = 0; // count of incorrect notes (false positives)
unsigned missCnt = 0; // count of missed score notes (false negatives)
unsigned i;
for(i=0; i<p->ri; ++i)
if( p->res[i].locIdx != cmInvalidIdx )
{
bli = cmMin(bli,p->res[i].locIdx);
eli = cmMax(eli,p->res[i].locIdx);
if( cmIsFlag(p->res[i].flags,kSmTruePosFl) )
++matchCnt;
if( cmIsFlag(p->res[i].flags,kSmFalsePosFl) )
++wrongCnt;
}
scNoteCnt = eli - bli + 1;
missCnt = scNoteCnt - matchCnt;
double prec = (double)2.0 * matchCnt / (matchCnt + wrongCnt);
double rcal = (double)2.0 * matchCnt / (matchCnt + missCnt);
double fmeas = prec * rcal / (prec + rcal);
//printf("total:%i match:%i wrong:%i miss:%i\n",scNoteCnt,matchCnt,wrongCnt,missCnt);
return fmeas;
}
typedef struct cmScMatcherPrint_str
{
unsigned flags;
unsigned scLocIdx;
unsigned mni;
unsigned pitch;
unsigned vel;
unsigned barNumb;
} cmScMatcherPrint_t;
void _cmScMatcherInsertPrint(cmScMatcherPrint_t* a, unsigned i, unsigned* anp, unsigned aan, const cmScMatcherResult_t* rp, unsigned scLocIdx )
{
assert( *anp + 1 <= aan );
memmove(a + i + 1, a + i, (*anp-i)*sizeof(cmScMatcherPrint_t));
memset( a + i, 0, sizeof(cmScMatcherPrint_t));
*anp += 1;
a[i].flags = rp->flags;
a[i].scLocIdx = scLocIdx;
a[i].mni = rp->mni;
a[i].pitch = rp->pitch;
a[i].vel = rp->vel;
}
void cmScMatcherPrint( cmScMatcher* p )
{
unsigned bsli = cmScoreEvtCount(p->mp->scH);
unsigned esli = 0;
unsigned i,j,k;
// get first/last scLocIdx from res[]
for(i=0; i<p->ri; ++i)
if( p->res[i].locIdx != cmInvalidIdx )
{
bsli = cmMin(bsli,p->mp->loc[p->res[i].locIdx].scLocIdx);
esli = cmMax(esli,p->mp->loc[p->res[i].locIdx].scLocIdx);
}
unsigned an = 0;
unsigned aan = p->ri;
// calc the count of score events between bsli and esli.
for(i=bsli; i<=esli; ++i)
{
cmScoreLoc_t* lp = cmScoreLoc(p->mp->scH, i);
assert(lp != NULL);
aan += lp->evtCnt;
}
// allocate an array off 'aan' print records
cmScMatcherPrint_t* a = cmMemAllocZ(cmScMatcherPrint_t,aan);
// fill a[] note and bar events from cmScoreLoc()
for(i=bsli; i<=esli; ++i)
{
unsigned scLocIdx = i;
cmScoreLoc_t* lp = cmScoreLoc(p->mp->scH, scLocIdx );
for(j=0; j<lp->evtCnt; ++j)
{
assert( an < aan );
cmScoreEvt_t* ep = lp->evtArray[j];
cmScMatcherPrint_t* pp = a + an;
an += 1;
switch( ep->type )
{
case kBarEvtScId:
pp->flags = kSmBarFl;
break;
case kNonEvtScId:
pp->flags = kSmNoteFl;
break;
}
pp->scLocIdx = scLocIdx;
pp->mni = cmInvalidIdx;
pp->pitch = ep->pitch;
pp->vel = kInvalidMidiVelocity;
pp->barNumb = ep->barNumb;
}
}
// for each result record
for(i=0; i<p->ri; ++i)
{
cmScMatcherResult_t* rp = p->res + i;
// if this result recd matched a score event
if( cmIsFlag(rp->flags,kSmTruePosFl) )
{
// locate the matching score event
for(k=0; k<an; ++k)
if( a[k].scLocIdx==p->mp->loc[rp->locIdx].scLocIdx && a[k].pitch==rp->pitch )
{
a[k].mni = rp->mni;
a[k].vel = rp->vel;
a[k].flags |= kSmMatchFl;
break;
}
}
// if this result did not match a score event
if( cmIsFlag(rp->flags,kSmFalsePosFl) )
{
unsigned d_min = 0;
cmScMatcherPrint_t* dp = NULL;
unsigned scLocIdx = cmInvalidIdx;
// if this result does not have a valid locIdx
// (e.g. errant MIDI notes: scan:'delete' note or a step:mis-match note)
if( rp->locIdx == cmInvalidIdx )
{
// find the print recd with the closet 'mni'
for(k=0; k<an; ++k)
if( a[k].mni != cmInvalidIdx )
{
unsigned d;
if( a[k].mni > rp->mni )
d = a[k].mni - rp->mni;
else
d = rp->mni - a[k].mni;
if( dp==NULL || d < d_min )
{
dp = a + k;
d_min = d;
}
}
k = dp - a;
assert( k < an );
scLocIdx = p->mp->loc[k].scLocIdx;
if( a[k].mni < rp->mni )
++k;
}
else // result w/ a valid locIdx (e.g. scan 'substitute' with no match)
{
scLocIdx = p->mp->loc[rp->locIdx].scLocIdx;
// find the print recd with the closest scIdx
for(k=0; k<an; ++k)
if( a[k].scLocIdx != cmInvalidIdx )
{
unsigned d;
if( a[k].scLocIdx > scLocIdx )
d = a[k].scLocIdx - scLocIdx;
else
d = scLocIdx - a[k].scLocIdx;
if( dp==NULL || d < d_min )
{
dp = a + k;
d_min = d;
}
}
k = dp - a;
assert( k < an );
if( a[k].scLocIdx < scLocIdx )
++k;
}
// create a new print recd to represent the false-positive result recd
assert( dp != NULL );
_cmScMatcherInsertPrint(a, k, &an,aan,rp,scLocIdx);
}
}
for(i=0; i<an; ++i)
{
printf("%4i %4i %4i %4s %c%c%c\n",a[i].scLocIdx,a[i].barNumb,a[i].mni,
cmIsFlag(a[i].flags,kSmBarFl) ? "|" : cmMidiToSciPitch(a[i].pitch,NULL,0),
cmIsFlag(a[i].flags,kSmNoteFl) ? 'n' : ' ',
cmIsFlag(a[i].flags,kSmMatchFl) ? 'm' : (cmIsFlag(a[i].flags,kSmTransFl) ? 't' : ' '),
cmIsFlag(a[i].flags,kSmFalsePosFl) ? '*' : ' '
);
}
cmMemFree(a);
}
//=======================================================================================================================
cmScMeas* cmScMeasAlloc( cmCtx* c, cmScMeas* p, cmScH_t scH, double srate, const unsigned* dynRefArray, unsigned dynRefCnt )
{
cmScMeas* op = cmObjAlloc(cmScMeas,c,p);
op->mp = cmScMatchAlloc( c, NULL, cmScNullHandle, 0, 0 );
if( cmScoreIsValid(scH) )
if( cmScMeasInit(op,scH,srate,dynRefArray,dynRefCnt) != cmOkRC )
cmScMeasFree(&op);
return op;
}
cmRC_t cmScMeasFree( cmScMeas** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScMeas* p = *pp;
if((rc = cmScMeasFinal(p)) != cmOkRC )
return rc;
cmScMatchFree(&p->mp);
cmMemFree(p->midiBuf);
cmMemFree(p->set);
cmMemFree(p->dynRef);
cmObjFree(pp);
return rc;
}
void _cmScMeasPrint( cmScMeas* p )
{
unsigned i;
for(i=0; i<p->sn; ++i)
{
cmScMeasSet_t* sp = p->set + i;
printf("%4i: sli:%4i %4i li:%4i %4i\n", i, sp->bsli, sp->esli, sp->bli, sp->eli );
}
}
int _cmScMeasSortFunc( const void* p0, const void* p1 )
{
const cmScMeasSet_t* s0 = (const cmScMeasSet_t*)p0;
const cmScMeasSet_t* s1 = (const cmScMeasSet_t*)p1;
return s0->esli - s1->esli;
}
cmRC_t cmScMeasInit( cmScMeas* p, cmScH_t scH, double srate, const unsigned* dynRefArray, unsigned dynRefCnt )
{
cmRC_t rc;
unsigned i,j;
unsigned si;
unsigned maxScWndN = 0;
if((rc = cmScMeasFinal(p)) != cmOkRC )
return rc;
p->mii = 0;
p->mn = 2 * cmScoreEvtCount(scH);
p->midiBuf = cmMemResizeZ(cmScMatchMidi_t,p->midiBuf,p->mn);
p->sn = cmScoreSetCount(scH);
p->set = cmMemResizeZ(cmScMeasSet_t,p->set,p->sn);
p->dynRef = cmMemResizeZ(unsigned,p->dynRef,dynRefCnt);
p->dn = dynRefCnt;
p->srate = srate;
memcpy(p->dynRef,dynRefArray,sizeof(dynRefArray[0])*dynRefCnt);
unsigned n = cmScoreLocCount(scH);
// for each score location
for(i=0,si=0; i<n; ++i)
{
cmScoreLoc_t* lp = cmScoreLoc(scH,i);
cmScoreSet_t* sp = lp->setList;
// for each set that ends on this score location
for(; sp!=NULL; sp=sp->llink,++si)
{
assert(si < p->sn);
cmScMeasSet_t* msp = p->set + si;
msp->sp = sp;
msp->bsli = cmScoreLocCount(scH);
msp->esli = 0;
msp->bsei = cmScoreEvtCount(scH);
msp->esei = 0;
msp->bli = cmInvalidIdx;
msp->eli = cmInvalidIdx;
for(j=0; j<sp->eleCnt; ++j)
{
msp->bsli = cmMin(msp->bsli,sp->eleArray[j]->locIdx);
msp->esli = cmMax(msp->esli,sp->eleArray[j]->locIdx);
msp->bsei = cmMin(msp->bsei,sp->eleArray[j]->index);
msp->esei = cmMax(msp->esei,sp->eleArray[j]->index);
}
}
}
// initialize p->mp so that mp->loc[] is loaded - use dummy scWndN and midiN
if((rc = cmScMatchInit(p->mp, scH, 11, 10 )) != cmOkRC )
return rc;
// assign set[].bli and set[].eli
for(j=0; j<p->sn; ++j)
{
cmScMeasSet_t* msp = p->set + j;
for(i=0; i<p->mp->locN; ++i)
{
if( msp->bli==cmInvalidIdx && msp->bsli==p->mp->loc[i].scLocIdx )
msp->bli = i;
if( msp->esli==p->mp->loc[i].scLocIdx )
msp->eli = i;
}
assert( msp->eli > msp->bli );
maxScWndN = cmMax( maxScWndN, msp->eli - msp->bli + 1 );
}
// setup the match
if((rc = cmScMatchInit(p->mp, scH, 2*maxScWndN+1, 2*maxScWndN )) != cmOkRC )
return rc;
// sort set[] on cmScMeasSet_t.esli
qsort(p->set, p->sn, sizeof(cmScMeasSet_t), _cmScMeasSortFunc );
//_cmScMeasPrint(p);
cmScMeasReset(p);
return rc;
}
cmRC_t cmScMeasFinal( cmScMeas* p )
{ return cmScMatchFinal(p->mp); }
cmRC_t cmScMeasReset( cmScMeas* p )
{
cmRC_t rc = cmOkRC;
p->mii = 0;
p->nsi = cmInvalidIdx;
p->vsi = cmInvalidIdx;
p->nsli = cmInvalidIdx;
unsigned i;
for(i=0; i<p->sn; ++i)
{
p->set[i].value = DBL_MAX;
p->set[i].tempo = 0;
p->set[i].match_cost = 0;
}
return rc;
}
typedef struct
{
unsigned scLocIdx; // score loc index
double frac; // score based fraction of beat
unsigned smpIdx; // time of assoc'd MIDI event
unsigned cnt; //
double val; //
} _cmScMeasTimeEle_t;
typedef struct
{
unsigned setN; // set length
unsigned midiN; // count of MIDI events to match to score
unsigned alignN; // count of score events in the alignment (<= setN)
unsigned matchN; // count of positive matches
double tempo;
double value;
} _cmScMeasResult_t;
double _cmScMeasCalcTempo( const _cmScMeasTimeEle_t* b, unsigned bn, double srate )
{
assert( bn >= 2 );
assert( b[bn-1].smpIdx != cmInvalidIdx );
assert( b[0].smpIdx != cmInvalidIdx );
double durSmpCnt = b[bn-1].smpIdx - b[0].smpIdx;
double beats = 0;
unsigned i;
for(i=0; i<bn; ++i)
beats += b[i].frac;
assert(beats != 0);
return beats / (durSmpCnt / (srate * 60.0));
}
// Note: On successful completion (return!=0) the first
// and last record returned in c[cn] will be matched records.
unsigned _cmScMeasTimeAlign( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasTimeEle_t* c, unsigned cn, _cmScMeasResult_t* rp )
{
int i,j,k;
int an = sp->sp->eleCnt;
_cmScMeasTimeEle_t* b = NULL;
int bn = 0;
bool tempoFl = false;
unsigned matchN = 0;
assert( an!=0);
// alloc a 'score set' element array
_cmScMeasTimeEle_t a[an];
// get the scLocIdx of each set element from the score
for(i=0,j=0; i<an; ++i)
if( i==0 || sp->sp->eleArray[i-1]->locIdx != sp->sp->eleArray[i]->locIdx )
{
assert( sp->sp->eleArray[i]->locIdx != cmInvalidIdx );
a[j].scLocIdx = sp->sp->eleArray[i]->locIdx;
a[j].frac = sp->sp->eleArray[i]->frac;
a[j].smpIdx = cmInvalidIdx;
a[j].cnt = 0;
++j;
}
an = j; // set the count of unique score locations (new length of a[])
// collect the 'smpIdx' for each MIDI event which matches a set element
for(i=0; i<mn; ++i)
if( m[i].locIdx != cmInvalidIdx )
{
for(j=0; j<an; ++j)
if( p->mp->loc[m[i].locIdx].scLocIdx == a[j].scLocIdx )
{
a[j].smpIdx += m[i].smpIdx;
a[j].cnt += 1;
if( a[j].cnt == 1 )
matchN += 1; // only cnt one match per sc loc.
break;
}
}
// remove leading missing values
for(i=0; i<an; ++i)
if( a[i].smpIdx != cmInvalidIdx )
{
b = a + i;
bn = an - i;
break;
}
// remove trailing missing values
for(i=bn-1; i>=0; --i,--bn)
if( b[i].smpIdx != cmInvalidIdx )
break;
// can't measure evenness against less than 2 values
if( bn < 2 )
{
return 0;
}
assert(b[0].smpIdx != cmInvalidIdx && b[bn-1].smpIdx != cmInvalidIdx);
// calc avg. smpIdx, insert missing values, and convert b[].smpIdx to delta smp index
for(i=0,j=0; i<bn; ++i)
{
if( b[i].cnt > 1 )
b[i].smpIdx /= b[i].cnt;
if( b[i].smpIdx == cmInvalidIdx )
++j; // incr missing value count
else
{
if( i > 0 )
{
// fill in missing values
++j;
unsigned d = (b[i].smpIdx - b[i-j].smpIdx)/j;
for(k=0; k<j; ++k)
b[i-j+k].val = d;
}
j=0;
}
if( b[i].frac != 0 )
tempoFl = true;
}
rp->setN = an;
rp->midiN = mn;
rp->alignN = bn;
rp->matchN = matchN;
rp->tempo = 0;
rp->value = 0;
// calculate tempo
if( tempoFl )
rp->tempo = _cmScMeasCalcTempo(b,bn,p->srate);
assert(bn<=cn);
// TODO: this copy should be eliminated
// copy to output
for(i=0; i<bn && i<cn; ++i)
c[i] = b[i];
return bn;
}
double _cmScMeasEven( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
{
unsigned bn = sp->sp->eleCnt;
_cmScMeasTimeEle_t b[bn];
unsigned i;
if((bn = _cmScMeasTimeAlign(p,sp,m,mn,b,bn,rp)) == 0 )
return DBL_MAX;
// calc avg. delta time
double d_avg = 0;
for(i=0; i<bn-1; ++i)
d_avg += b[i].val;
d_avg /= (bn-1);
// calc std-dev of delta time
double d_sd = 0;
for(i=0; i<bn-1; ++i)
d_sd += (b[i].val-d_avg) * (b[i].val-d_avg);
// if there is no deviation then we can't compute a z-score
// (this will happen if we fill in all the missing values based on 2 values)
if( d_sd == 0 )
return 1.0;
d_sd = sqrt(d_sd/(bn-1));
// calc avg. z-score
double z = 0;
for(i=0; i<bn-1; ++i)
z += fabs(b[i].val - d_avg)/d_sd;
double val = z / (bn-1);
rp->value = val;
return val;
}
// return Tempo estimation in BPM
double _cmScMeasTempo( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
{
unsigned bn = sp->sp->eleCnt;
_cmScMeasTimeEle_t b[bn];
if((bn= _cmScMeasTimeAlign(p,sp,m,mn,b,bn,rp)) == 0 )
return DBL_MAX;
return rp->tempo;
}
double _cmScMeasDyn( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
{
typedef struct
{
unsigned scEvtIdx;
unsigned vel;
double val;
} ele_t;
int i,j;
int n = sp->sp->eleCnt;
double vv = 0;
unsigned vn = 0;
unsigned matchN = 0;
unsigned alignN = 0;
assert( n!=0);
ele_t a[n];
// get the scEvtIdx of each set element
for(i=0; i<n; ++i)
{
cmScoreEvt_t* ep = cmScoreEvt( p->mp->scH, sp->sp->eleArray[i]->index );
assert( ep != NULL );
a[i].scEvtIdx = sp->sp->eleArray[i]->index;
a[i].vel = 0;
a[i].val = ep->dynVal;
}
// set the performed vel. of each note in the set
// (if a note was not played it's a[].vel is left at 0)
for(i=0; i<mn; ++i)
if( m[i].scEvtIdx != cmInvalidIdx )
{
alignN += 1;
for(j=0; j<n; ++j)
if( m[i].scEvtIdx == a[j].scEvtIdx )
{
matchN += 1;
a[j].vel = m[i].vel;
break;
}
}
// assign a dynamics category to each note in the set
for(i=0; i<n; ++i)
if( a[i].vel > 0 )
{
unsigned mnv = 0; // lower bound for first dyn's category
for(j=0; j<p->dn; ++j)
{
if( mnv <= a[i].vel && a[i].vel < p->dynRef[j] )
{
// accum. the diff. between the ref. and performed dyn. category
vv += fabs(a[i].val - j);
vn += 1;
break;
}
mnv = p->dynRef[j];
}
assert(j<p->dn);
}
rp->setN = n;
rp->midiN = mn;
rp->alignN = alignN;
rp->matchN = matchN;
rp->tempo = 0;
rp->value = vn == 0 ? DBL_MAX : vv/vn;
return rp->value;
}
unsigned MEAS_MATCH_CNT = 0;
void _cmScMeasPrintResult( cmScMeas* p, cmScMeasSet_t* sp, _cmScMeasResult_t* rp, unsigned bli, const cmScMatchMidi_t* mb )
{
const char* label = "<none>";
switch( sp->sp->varId )
{
case kEvenVarScId:
label = "even";
break;
case kDynVarScId:
label = "dyn";
break;
case kTempoVarScId:
label = "tempo";
break;
}
const cmChar_t* msg = "";
if( rp->value == DBL_MAX )
{
msg = "Measure FAILED.";
sp->value = 0;
}
printf("%i set:%i %s bsli:%i esli:%i [set:%i match:%i] cost:%f val:%f %s",MEAS_MATCH_CNT, p->nsi, label, sp->bsli, sp->esli, rp->setN, rp->matchN, p->mp->opt_cost, sp->value, msg);
if( rp->tempo != 0 )
printf(" tempo:%f ",rp->tempo);
printf("\n");
_cmScMatchPrintPath(p->mp, p->mp->p_opt, bli, mb );
}
void _cmScMeasCalcVal( cmScMeas* p, cmScMeasSet_t* sp, int n_mii )
{
unsigned mn = 0;
int i,k = cmInvalidIdx;
if( n_mii == 0 )
return;
// Determine the count of MIDI notes to match to the set score
// by searching from the MIDI note just recieved (midiBuf[n_mii]
// back toward the beginning until a MIDI event which occurs just
// prior to the set's begScLocIdx.
for(i=n_mii; i>=0; --i)
{
if( p->midiBuf[i].locIdx != cmInvalidIdx )
{
k = i;
unsigned scLocIdx = p->mp->loc[ p->midiBuf[i].locIdx ].scLocIdx;
if( scLocIdx < sp->bsli )
break;
}
}
assert(k != cmInvalidIdx);
mn = n_mii - k + 1;
i = k;
assert(i>=0);
assert(mn>0);
// Create a copy of the the MIDI buffer to prevent the
// p->midiBuf[].locIdx from being overwritten by cmScMatchDoSync().
cmScMatchMidi_t mb[ mn ];
unsigned j;
for(j=0; j<mn; ++j)
{
mb[j] = p->midiBuf[i+j];
mb[j].locIdx = cmInvalidIdx;
}
// In general the first and last MIDI event should be assigned
// to a score location - it's possible however that no MIDI
// event's prior to the one at p->midiBuf[n_mii] were assigned.
assert( (i==0 || p->midiBuf[i].locIdx!=cmInvalidIdx) && p->midiBuf[i+mn-1].locIdx != cmInvalidIdx);
unsigned l0i = cmMin(p->midiBuf[i].locIdx,p->midiBuf[i+mn-1].locIdx);
unsigned l1i = cmMax(p->midiBuf[i].locIdx,p->midiBuf[i+mn-1].locIdx);
unsigned bli = l0i;
unsigned ln = l1i - bli + 1;
double min_cost = DBL_MAX;
_cmScMeasResult_t r;
memset(&r,0,sizeof(r));
// match MIDI to score
if( cmScMatchExec(p->mp, bli, ln, mb, mn, min_cost ) != cmOkRC )
return;
// sync the score and MIDI based on the match information
if( cmScMatchDoSync(p->mp, bli, mb, mn, NULL ) == cmInvalidIdx )
return;
if( p->mp->opt_cost != DBL_MAX )
sp->match_cost = p->mp->opt_cost / sp->sp->eleCnt;
switch( sp->sp->varId )
{
case kEvenVarScId:
sp->value = _cmScMeasEven(p, sp, mb, mn, &r );
break;
case kDynVarScId:
sp->value = _cmScMeasDyn(p, sp, mb, mn, &r );
break;
case kTempoVarScId:
sp->value = _cmScMeasTempo(p, sp, mb, mn, &r );
break;
default:
{ assert(0); }
}
sp->tempo = r.tempo;
// print the result
//_cmScMeasPrintResult(p, sp, &r, bli, mb );
MEAS_MATCH_CNT++;
}
cmRC_t cmScMeasExec( cmScMeas* p, unsigned mni, unsigned locIdx, unsigned scEvtIdx, unsigned flags, unsigned smpIdx, unsigned pitch, unsigned vel )
{
cmRC_t rc = cmOkRC;
// if the midi buffer is full
if( p->mii >= p->mn )
return cmCtxRtCondition( &p->obj, cmEofRC, "The MIDI buffer is full.");
int n_mii = cmInvalidIdx;
// locate the MIDI event assoc'd with 'mni' ...
if( p->mii>0 && mni <= p->midiBuf[p->mii-1].mni )
{
if( locIdx != cmInvalidIdx )
{
for(n_mii=p->mii-1; n_mii>=0; --n_mii)
if( p->midiBuf[n_mii].mni == mni )
break;
if( n_mii<0 )
n_mii = cmInvalidIdx;
}
}
else // ... or push a new record onto p->midiBuf[]
{
n_mii = p->mii;
++p->mii;
}
// store the MIDI event
p->midiBuf[n_mii].mni = mni;
p->midiBuf[n_mii].locIdx = locIdx;
p->midiBuf[n_mii].scEvtIdx = scEvtIdx;
p->midiBuf[n_mii].smpIdx = smpIdx;
p->midiBuf[n_mii].pitch = pitch;
p->midiBuf[n_mii].vel = vel;
// setting vsi=nsi and vsli=nsli will indicate to the calling
// program that no new sets are ready.
p->vsi = p->nsi;
p->vsli = p->nsli;
if( locIdx == cmInvalidIdx )
return cmOkRC;
//
unsigned scLocIdx = p->mp->loc[ locIdx ].scLocIdx;
unsigned maxScLocIdx = cmScoreLocCount(p->mp->scH)-1;
// if this cmScMeas object has not yet synchronized to the cmScMatcher
// (if p->nsli is not valid)
if( p->nsli == cmInvalidIdx )
{
unsigned i;
for(i=0; i<p->sn; ++i)
if( p->set[i].esli+1 == scLocIdx )
{
p->nsli = scLocIdx;
p->nsi = i;
break;
}
if(i==p->sn)
return rc;
}
p->vsi = p->nsi;
p->vsli = p->nsli;
// for each cmScore location between p->nsli and scLocIdx
for(; p->nsli<=scLocIdx && p->nsi < p->sn; ++p->nsli)
{
// if this score location index (p->nsli) is one score location
// ahead of the next sets ending location.
while( cmMin(maxScLocIdx,p->set[p->nsi].esli+1) == p->nsli )
{
// calculate the value assoc'd with p->set[p->nsi]
_cmScMeasCalcVal(p, p->set + p->nsi, n_mii );
// advance the set index
++p->nsi;
}
}
return rc;
}
//=======================================================================================================================
cmRC_t cmScAlignScanToTimeLineEvent( cmScMatcher* p, cmTlH_t tlH, cmTlObj_t* top, unsigned endSmpIdx )
{
assert( top != NULL );
cmTlMidiEvt_t* mep = NULL;
cmRC_t rc = cmOkRC;
// as long as more MIDI events are available get the next MIDI msg
while( rc==cmOkRC && (mep = cmTlNextMidiEvtObjPtr(tlH, top, top->seqId )) != NULL )
{
top = &mep->obj;
// if the msg falls after the end of the marker then we are through
if( mep->obj.seqSmpIdx != cmInvalidIdx && mep->obj.seqSmpIdx > endSmpIdx )
break;
// if the time line MIDI msg a note-on
if( (mep->msg->status&0xf0) == kNoteOnMdId )
{
rc = cmScMatcherExec(p, mep->obj.seqSmpIdx, mep->msg->status, mep->msg->u.chMsgPtr->d0, mep->msg->u.chMsgPtr->d1, NULL );
switch( rc )
{
case cmOkRC: // continue processing MIDI events
break;
case cmEofRC: // end of the score was encountered
break;
case cmInvalidArgRC: // p->eli was not set correctly
break;
case cmSubSysFailRC: // scan resync failed
break;
default:
{ assert(0); }
}
}
}
if( rc == cmEofRC )
rc = cmOkRC;
return rc;
}
// This callback connects/feeds the cmScMeas object from the cmScMatcher object.
// (See _cmScMatcherStoreResult().)
void cmScMatcherCb( cmScMatcher* p, void* arg, cmScMatcherResult_t* rp )
{
cmScMeas* mp = (cmScMeas*)arg;
cmScMeasExec(mp, rp->mni, rp->locIdx, rp->scEvtIdx, rp->flags, rp->smpIdx, rp->pitch, rp->vel );
}
void cmScAlignScanMarkers( cmRpt_t* rpt, cmTlH_t tlH, cmScH_t scH )
{
unsigned i;
double srate = cmTimeLineSampleRate(tlH);
unsigned midiN = 7;
unsigned scWndN = 10;
unsigned markN = 291;
unsigned dynRefArray[] = { 14, 28, 42, 56, 71, 85, 99, 113,128 };
unsigned dynRefCnt = sizeof(dynRefArray)/sizeof(dynRefArray[0]);
cmCtx* ctx = cmCtxAlloc(NULL, rpt, cmLHeapNullHandle, cmSymTblNullHandle );
cmScMeas* mp = cmScMeasAlloc(ctx,NULL,scH,srate,dynRefArray,dynRefCnt);
cmScMatcher* p = cmScMatcherAlloc(ctx,NULL,srate,scH,scWndN,midiN,cmScMatcherCb,mp);
double scoreThresh = 0.5;
unsigned candCnt = 0;
unsigned initFailCnt = 0;
unsigned otherFailCnt = 0;
unsigned scoreFailCnt = 0;
bool printFl = false;
unsigned markCharCnt = 31;
cmChar_t markText[ markCharCnt+1 ];
cmTimeSpec_t t0,t1;
cmTimeGet(&t0);
// for each marker
for(i=0; i<markN; ++i)
{
// form the marker text
snprintf(markText,markCharCnt,"Mark %i",i);
// locate the marker
cmTlMarker_t* tlmp = cmTimeLineMarkerFind( tlH, markText );
if( tlmp == NULL )
{
if( printFl )
printf("The marker '%s' was not found.\n\n",markText);
continue;
}
// skip markers which do not contain text
if( cmTextIsEmpty(tlmp->text) )
{
if( printFl )
printf("The marker '%s' is being skipped because it has no text.\n\n",markText);
continue;
}
printf("=================== MARKER:%s ===================\n",markText);
cmScMatcherReset(p,0); // reset the score follower to the beginnig of the score
cmScMeasReset(mp);
++candCnt;
// scan to the beginning of the marker
cmRC_t rc = cmScAlignScanToTimeLineEvent(p,tlH,&tlmp->obj,tlmp->obj.seqSmpIdx+tlmp->obj.durSmpCnt);
bool pfl = true;
if( rc != cmOkRC || p->begSyncLocIdx==cmInvalidIdx)
{
bool fl = printFl;
printFl = true;
// if a no alignment was found
if( p->begSyncLocIdx == cmInvalidIdx )
rc = cmInvalidArgRC;
if( p->mni == 0 )
{
if( printFl )
printf("mark:%i midi:%i Not enough MIDI notes to fill the scan buffer.\n",i,p->mni);
pfl = false;
}
else
{
switch(rc)
{
case cmInvalidArgRC:
if( printFl )
printf("mark:%i INITIAL SYNC FAIL\n",i);
++initFailCnt;
pfl = false;
break;
case cmSubSysFailRC:
if( printFl )
printf("mark:%i SCAN RESYNC FAIL\n",i);
++otherFailCnt;
break;
default:
if( printFl )
printf("mark:%i UNKNOWN FAIL\n",i);
++otherFailCnt;
}
}
printFl = fl;
}
if( pfl )
{
double fmeas = cmScMatcherFMeas(p);
if( printFl )
printf("mark:%i midi:%i loc:%i bar:%i cost:%f f-meas:%f text:%s\n",i,p->mni,p->begSyncLocIdx,p->mp->loc[p->begSyncLocIdx].barNumb,p->s_opt,fmeas,tlmp->text);
if( fmeas < scoreThresh )
++scoreFailCnt;
}
//print score and match for entire marker
//cmScMatcherPrint(p);
// ONLY USE ONE MARKER DURING TESTING
// break;
if( printFl )
printf("\n");
}
printf("cand:%i fail:%i - init:%i score:%i other:%i\n\n",candCnt,initFailCnt+scoreFailCnt+otherFailCnt,initFailCnt,scoreFailCnt,otherFailCnt);
cmTimeGet(&t1);
printf("elapsed:%f\n", (double)cmTimeElapsedMicros(&t0,&t1)/1000000.0 );
cmScMatcherFree(&p);
cmScMeasFree(&mp);
cmCtxFree(&ctx);
}
//=======================================================================================================================
cmScModulator* cmScModulatorAlloc( cmCtx* c, cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, double srate, unsigned samplesPerCycle, const cmChar_t* fn, const cmChar_t* modLabel, cmScModCb_t cbFunc, void* cbArg )
{
cmScModulator* op = cmObjAlloc(cmScModulator,c,p);
if( ctx != NULL )
if( cmScModulatorInit(op,ctx,stH,srate,samplesPerCycle,fn,modLabel,cbFunc,cbArg) != cmOkRC )
cmScModulatorFree(&op);
return op;
}
cmRC_t cmScModulatorFree( cmScModulator** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmScModulator* p = *pp;
if((rc = cmScModulatorFinal(p)) != cmOkRC )
return rc;
cmMemFree(p->earray);
cmObjFree(pp);
return rc;
}
typedef struct
{
unsigned typeId;
unsigned minArgCnt;
const cmChar_t* label;
} _cmScModTypeMap_t;
_cmScModTypeMap_t _cmScModTypeArray[] =
{
{ kSetModTId, 1, "set" },
{ kLineModTId, 2, "line" },
{ kSetLineModTId, 3, "sline" },
{ kPostModTId, 4, "post" },
{ kInvalidModTId, 0, "<invalid>"}
};
const _cmScModTypeMap_t* _cmScModTypeLabelToMap( const cmChar_t* label )
{
unsigned i;
for(i=0; _cmScModTypeArray[i].typeId!=kInvalidModTId; ++i)
if( strcmp(_cmScModTypeArray[i].label,label) == 0 )
return _cmScModTypeArray + i;
return NULL;
}
cmScModVar_t* _cmScModSymToVar( cmScModulator* p, unsigned varSymId )
{
cmScModVar_t* vp = p->vlist;
for(; vp!=NULL; vp=vp->vlink)
if( varSymId == vp->varSymId )
return vp;
return NULL;
}
cmScModVar_t* _cmScModulatorInsertVar( cmScModulator* p, unsigned varSymId, unsigned flags )
{
cmScModVar_t* vp = _cmScModSymToVar(p,varSymId);
if( vp == NULL )
{
vp = cmMemAllocZ(cmScModVar_t,1);
vp->varSymId = varSymId;
vp->outVarId = cmInvalidId;
vp->vlink = p->vlist;
p->vlist = vp;
}
vp->flags = flags;
vp->value = DBL_MAX;
vp->min = DBL_MAX;
vp->max = DBL_MAX;
vp->rate = DBL_MAX;
vp->phase = 0;
vp->entry = NULL;
vp->alink = NULL;
return vp;
}
cmScModEntry_t* _cmScModulatorInsertEntry(cmScModulator* p, unsigned idx, unsigned scLocIdx, unsigned modSymId, unsigned varSymId, unsigned typeId, unsigned paramCnt )
{
assert( idx < p->en );
p->earray[idx].scLocIdx = scLocIdx;
p->earray[idx].typeId = typeId;
p->earray[idx].varPtr = _cmScModulatorInsertVar(p,varSymId,0);
if( p->earray[idx].varPtr->outVarId == cmInvalidIdx )
p->earray[idx].varPtr->outVarId = p->outVarCnt++;
return p->earray + idx;
}
/*
{
[
{ loc:123, mod:modlabel, var:varlabel, param:[ ] }
]
}
*/
// Parameter values are found as values of the 'data','min' or 'max' fields.
// A parameter value may be either a symbol identifier (mapped to a variable)
// or a literal number. This function determines which form the paramter
// value takes and parses it accordingly.
cmRC_t _cmScModulatorParseParam( cmScModulator* p, cmSymTblH_t stH, cmJsonNode_t* np, cmScModParam_t* pp )
{
cmRC_t rc = cmOkRC;
switch( np->typeId )
{
case kIntTId:
case kRealTId:
if( cmJsonRealValue(np, &pp->val ) != kOkJsRC )
{
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator literal value." );
goto errLabel;
}
pp->pid = kLiteralModPId;
break;
case kStringTId:
{
const cmChar_t* label = NULL;
if( cmJsonStringValue(np, &label) != kOkJsRC )
{
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator symbol label." );
goto errLabel;
}
pp->symId = cmSymTblRegisterSymbol(stH,label);
pp->pid = kSymbolModPId;
}
break;
default:
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Parameter value is not a number or identifier." );
goto errLabel;
break;
}
errLabel:
return rc;
}
cmRC_t _cmScModulatorParse( cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, const cmChar_t* fn )
{
cmRC_t rc = cmOkRC;
cmJsonNode_t* jnp = NULL;
cmJsonH_t jsH = cmJsonNullHandle;
unsigned i = cmInvalidIdx;
unsigned j = cmInvalidIdx;
// read the JSON file
if( cmJsonInitializeFromFile(&jsH, fn, ctx ) != kOkJsRC )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "JSON file parse failed on the modulator file: %s.",cmStringNullGuard(fn) );
jnp = cmJsonRoot(jsH);
// validate that the first child as an array
if( jnp==NULL || ((jnp = cmJsonNodeMemberValue(jnp,"array")) == NULL) || cmJsonIsArray(jnp)==false )
{
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Modulator file header syntax error in file:%s",cmStringNullGuard(fn) );
goto errLabel;
}
// allocate the entry array
unsigned entryCnt = cmJsonChildCount(jnp);
p->earray = cmMemResizeZ(cmScModEntry_t,p->earray,entryCnt);
p->en = entryCnt;
unsigned prvScLocIdx = cmInvalidIdx;
const cmChar_t* prvModLabel = NULL;
const cmChar_t* prvVarLabel = NULL;
const cmChar_t* prvTypeLabel = NULL;
for(i=0; i<entryCnt; ++i)
{
cmJsRC_t jsRC;
const char* errLabelPtr = NULL;
unsigned scLocIdx = cmInvalidIdx;
const cmChar_t* modLabel = NULL;
const cmChar_t* varLabel = NULL;
const cmChar_t* typeLabel = NULL;
cmJsonNode_t* onp = cmJsonArrayElement(jnp,i);
cmJsonNode_t* dnp = NULL;
const _cmScModTypeMap_t* map = NULL;
if((jsRC = cmJsonMemberValues( onp, &errLabelPtr,
"loc", kIntTId | kOptArgJsFl, &scLocIdx,
"mod", kStringTId | kOptArgJsFl, &modLabel,
"var", kStringTId | kOptArgJsFl, &varLabel,
"type",kStringTId | kOptArgJsFl, &typeLabel,
NULL )) != kOkJsRC )
{
if( errLabelPtr == NULL )
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error:%s on record at index %i in file:%s",errLabelPtr,i,cmStringNullGuard(fn) );
else
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Synax error in Modulator record at index %i in file:%s",i,cmStringNullGuard(fn) );
goto errLabel;
}
// if the score location was not given use the previous score location
if( scLocIdx == cmInvalidIdx )
scLocIdx = prvScLocIdx;
else
prvScLocIdx = scLocIdx;
// if the mod label was not given use the previous one
if( modLabel == NULL )
modLabel = prvModLabel;
else
prvModLabel = modLabel;
if( modLabel == NULL )
{
rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'mod' label has been set in mod file '%s'.",cmStringNullGuard(fn));
goto errLabel;
}
// if the var label was not given use the previous one
if( varLabel == NULL )
varLabel = prvVarLabel;
else
prvVarLabel = varLabel;
if( varLabel == NULL )
{
rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'var' label has been set in mod file '%s'.",cmStringNullGuard(fn));
goto errLabel;
}
// if the type label was not given use the previous one
if( typeLabel == NULL )
typeLabel = prvTypeLabel;
else
prvTypeLabel = typeLabel;
if( typeLabel == NULL )
{
rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'type' label has been set in mod file '%s'.",cmStringNullGuard(fn));
goto errLabel;
}
// validate the entry type label
if((map = _cmScModTypeLabelToMap(typeLabel)) == NULL )
{
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Unknown entry type '%s' in Modulator record at index %i in file:%s",cmStringNullGuard(typeLabel),i,cmStringNullGuard(fn) );
goto errLabel;
}
unsigned modSymId = cmSymTblRegisterSymbol(stH,modLabel);
unsigned varSymId = cmSymTblRegisterSymbol(stH,varLabel);
// the mod entry label must match the modulators label
if( p->modSymId != modSymId )
{
--p->en;
continue;
}
// get the count of the elmenets in the data array
unsigned paramCnt = cmJsonChildCount(onp);
// fill the entry record and find or create the target var
cmScModEntry_t* ep = _cmScModulatorInsertEntry(p,i,scLocIdx,modSymId,varSymId,map->typeId,paramCnt);
typedef struct
{
const cmChar_t* label;
cmScModParam_t* param;
} map_t;
// parse the var and parameter records
map_t mapArray[] =
{
{ "min", &ep->min },
{ "max", &ep->max },
{ "rate",&ep->rate },
{ "val", &ep->beg },
{ "end", &ep->end },
{ "dur", &ep->dur },
{ NULL, NULL }
};
unsigned j=0;
for(j=0; mapArray[j].param!=NULL; ++j)
if((dnp = cmJsonFindValue(jsH,mapArray[j].label, onp, kInvalidTId )) != NULL )
if((rc = _cmScModulatorParseParam(p,stH,dnp,mapArray[j].param)) != cmOkRC )
goto errLabel;
}
errLabel:
if( rc != cmOkRC )
cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator 'data' record at index %i value index %i in file:%s",i,j,cmStringNullGuard(fn) );
// release the JSON tree
if( cmJsonIsValid(jsH) )
cmJsonFinalize(&jsH);
return rc;
}
cmRC_t _cmScModulatorReset( cmScModulator* p, cmCtx_t* ctx, unsigned scLocIdx )
{
cmRC_t rc = cmOkRC;
p->alist = NULL;
p->elist = NULL;
p->nei = 0;
p->outVarCnt = 0;
// reload the file
if((rc = _cmScModulatorParse(p,ctx,p->stH,p->fn)) != cmOkRC )
goto errLabel;
// clear the active flag on all variables
cmScModVar_t* vp = p->vlist;
for(; vp!=NULL; vp=vp->vlink)
{
vp->flags = cmClrFlag(vp->flags,kActiveModFl);
vp->alink = NULL;
}
errLabel:
return rc;
}
cmRC_t cmScModulatorInit( cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, double srate, unsigned samplesPerCycle, const cmChar_t* fn, const cmChar_t* modLabel, cmScModCb_t cbFunc, void* cbArg )
{
cmRC_t rc;
if((rc = cmScModulatorFinal(p)) != cmOkRC )
return rc;
p->fn = cmMemAllocStr(fn);
p->stH = stH;
p->modSymId = cmSymTblRegisterSymbol(stH,modLabel);
p->cbFunc = cbFunc;
p->cbArg = cbArg;
p->samplesPerCycle = samplesPerCycle;
p->srate = srate;
if( rc != cmOkRC )
cmScModulatorFinal(p);
else
_cmScModulatorReset(p,ctx,0);
return rc;
}
cmRC_t cmScModulatorFinal( cmScModulator* p )
{
cmMemFree(p->fn);
// release each var record
cmScModVar_t* vp = p->vlist;
while( vp!=NULL )
{
cmScModVar_t* np = vp->vlink;
cmMemFree(vp);
vp=np;
}
return cmOkRC;
}
unsigned cmScModulatorOutVarCount( cmScModulator* p )
{ return p->outVarCnt; }
cmScModVar_t* cmScModulatorOutVar( cmScModulator* p, unsigned idx )
{
unsigned i;
for(i=0; i<p->en; ++i)
if( p->earray[i].varPtr->outVarId == idx )
return p->earray[i].varPtr;
return NULL;
}
cmRC_t cmScModulatorSetValue( cmScModulator* p, unsigned varSymId, double value, double min, double max )
{
cmScModVar_t* vp;
// if the var does not exist ....
if((vp = _cmScModSymToVar(p, varSymId )) == NULL )
{
// ... then create it
vp = _cmScModulatorInsertVar(p,varSymId,kCalcModFl);
assert(vp!=NULL);
}
assert( min <= max);
vp->min = min;
vp->max = max;
vp->value = value;
return cmOkRC;
}
cmRC_t cmScModulatorReset( cmScModulator* p, cmCtx_t* ctx, unsigned scLocIdx )
{
_cmScModulatorReset(p,ctx,scLocIdx);
return cmScModulatorExec(p,scLocIdx);
}
void _cmScModUnlinkActive( cmScModulator* p, cmScModVar_t* vp, cmScModVar_t* pp )
{
// if vp is the first link on the chain
if( vp == p->alist )
p->alist = vp->alink;
// if vp is the last link on the chain
if( vp == p->elist )
p->elist = pp;
if( pp != NULL )
pp->alink = vp->alink;
vp->flags = cmClrFlag(vp->flags,kActiveModFl);
vp->alink = NULL;
vp->entry = NULL;
}
// If the requested parameter has a value then return it in *valPtr.
// If it does not then do nothing. This function applies scaling to RHS values.
cmRC_t _cmScModGetParam( cmScModulator* p, const cmScModParam_t* pp, double* valPtr )
{
cmRC_t rc = cmOkRC;
switch( pp->pid )
{
case kInvalidModPId:
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An invalid parameter was encountered.");
goto errLabel;
break;
case kLiteralModPId:
*valPtr = pp->val;
break;
case kSymbolModPId:
{
cmScModVar_t* vp;
// get a pointer to the parameter variable
if((vp = _cmScModSymToVar(p, pp->symId )) == NULL )
{
rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Variable '%s' not found.",cmSymTblLabel(p->stH,pp->symId));
goto errLabel;
}
// if this is not a 'calculated' paramter then scale it here.
if( cmIsFlag(vp->flags,kCalcModFl ) && vp->min!=DBL_MAX && vp->max!=DBL_MAX )
*valPtr = (vp->value - vp->min)/(vp->max-vp->min);
else
*valPtr = vp->value;
}
break;
default:
{ assert(0); }
}
errLabel:
return rc;
}
// Type specific variable activation -
cmRC_t _cmScModActivate(cmScModulator* p, cmScModEntry_t* ep )
{
cmRC_t rc = cmOkRC;
cmScModVar_t* vp = ep->varPtr;
// optionally update the min/max/rate values in the target var
if( ep->min.pid != kInvalidModPId )
if((rc = _cmScModGetParam(p,&ep->min,&vp->min)) != cmOkRC )
goto errLabel;
if( ep->max.pid != kInvalidModPId )
if((rc = _cmScModGetParam(p,&ep->max,&vp->max)) != cmOkRC )
goto errLabel;
if( ep->rate.pid != kInvalidModPId )
if((rc = _cmScModGetParam(p,&ep->rate,&vp->rate)) != cmOkRC )
goto errLabel;
switch( ep->typeId )
{
case kSetModTId:
break;
case kLineModTId:
vp->v0 = vp->value;
vp->phase = 0;
break;
case kSetLineModTId:
_cmScModGetParam(p,&ep->beg,&vp->value); // starting value
vp->v0 = vp->value; // set initial value
vp->phase = 0; // reset phase
break;
case kPostModTId:
p->postFl = vp->value;
break;
default:
{ assert(0); }
}
errLabel:
return rc;
}
// Callback the application with a new variable value.
cmRC_t _cmScModExecSendValue( cmScModulator* p, cmScModVar_t* vp )
{
cmRC_t rc = cmOkRC;
bool sendFl = true;
double v = vp->value;
// scale the output value - this is equiv to scaling the LHS
if( cmIsFlag(vp->flags,kCalcModFl) && vp->min!=DBL_MAX && vp->max!=DBL_MAX )
v = vp->min + v * (vp->max - vp->min);
// if an output rate throttle is in effect ....
if( vp->rate!=DBL_MAX && vp->phase!=0 )
sendFl = remainder(vp->phase*p->samplesPerCycle, p->srate*vp->rate/1000 ) < p->samplesPerCycle;
if(sendFl)
p->cbFunc(p->cbArg,vp->varSymId,v,p->postFl);
return rc;
}
// Return true if vp should be deactivated otherwise return false.
bool _cmScModExec( cmScModulator* p, cmScModVar_t* vp )
{
cmRC_t rc = cmOkRC;
bool fl = false;
bool sendFl = true;
switch( vp->entry->typeId )
{
case kSetModTId:
{
if((rc = _cmScModGetParam(p,&vp->entry->beg,&vp->value)) != cmOkRC )
goto errLabel;
vp->phase = 0; // force the value to be sent
fl = true;
}
break;
case kSetLineModTId:
case kLineModTId:
{
double v1=0, td=0;
// get the target value
if((rc = _cmScModGetParam(p,&vp->entry->end,&v1)) != cmOkRC)
goto errLabel;
// get the time duration
if((rc = _cmScModGetParam(p,&vp->entry->dur,&td)) != cmOkRC)
goto errLabel;
double v = vp->v0 + (v1-vp->v0) * (vp->phase * p->samplesPerCycle) / (p->srate * td);
if((fl = (vp->value <= v1 && v >= v1) || (vp->value >= v1 && v <= v1 )) == true )
v = v1;
vp->value = v;
}
break;
case kPostModTId:
sendFl = false;
break;
default:
{ assert(0); }
}
// notify the application that a new variable value has been generated
if(sendFl)
{
rc = _cmScModExecSendValue(p,vp);
// increment the phase - after send because send notices when phase is zero
vp->phase += 1;
}
errLabel:
if( rc != cmOkRC )
fl = true;
return fl;
}
cmRC_t cmScModulatorExec( cmScModulator* p, unsigned scLocIdx )
{
cmRC_t trc;
cmRC_t rc = cmOkRC;
// trigger entries that have expired since the last call to this function
for(; p->nei<p->en && (p->earray[p->nei].scLocIdx==-1 || p->earray[p->nei].scLocIdx<=scLocIdx); ++p->nei)
{
cmScModEntry_t* ep = p->earray + p->nei;
// if the variable assoc'd with this entry is not on the active list ...
if( cmIsFlag(ep->varPtr->flags,kActiveModFl) == false )
{
// ... then append it to the end of the active list ...
ep->varPtr->flags |= kActiveModFl;
if( p->elist == NULL )
p->elist = ep->varPtr;
else
{
p->elist->alink = ep->varPtr;
p->elist = ep->varPtr;
}
p->elist->alink = NULL;
if( p->alist == NULL )
p->alist = ep->varPtr;
}
// do type specific activation
if((trc = _cmScModActivate(p,ep)) != cmOkRC )
rc = trc;
ep->varPtr->entry = ep;
}
// Update the active variables
cmScModVar_t* pp = NULL;
cmScModVar_t* vp = p->alist;
for(; vp!=NULL; vp=vp->alink)
{
if( _cmScModExec(p,vp) )
_cmScModUnlinkActive(p,vp,pp);
else
pp = vp;
}
return rc;
}
void _cmScModDumpParam( cmScModulator* p, const cmChar_t* label, cmScModParam_t* pp )
{
printf("%s: ",label);
switch( pp->pid )
{
case kInvalidModPId:
printf("<invalid>");
break;
case kLiteralModPId:
if( pp->val == DBL_MAX )
printf("<max> ");
else
printf("%f ",pp->val);
break;
case kSymbolModPId:
printf("%s ",cmSymTblLabel(p->stH,pp->symId));
break;
default:
{ assert(0); }
}
}
void _cmScModDumpVal( cmChar_t* label, double val )
{
printf("%s:",label);
if( val == DBL_MAX )
printf("<max> " );
else
printf("%f ",val);
}
void _cmScModDumpVar( cmScModulator* p, const cmScModVar_t* vp )
{
printf("%7s %3i fl:0x%x entry:%p alink:%p ",cmSymTblLabel(p->stH,vp->varSymId),vp->outVarId,vp->flags,vp->entry,vp->alink);
_cmScModDumpVal("val",vp->value);
_cmScModDumpVal("min",vp->min);
_cmScModDumpVal("max",vp->max);
_cmScModDumpVal("rate",vp->rate);
_cmScModDumpVal("v0",vp->v0);
}
cmRC_t cmScModulatorDump( cmScModulator* p )
{
cmRC_t rc = cmOkRC;
printf("MOD:\n");
printf("nei:%i alist:%p outVarCnt:%i\n",p->nei,p->alist,p->outVarCnt);
printf("ENTRIES:\n");
unsigned i;
for(i=0; i<p->en; ++i)
{
cmScModEntry_t* ep = p->earray + i;
printf("%3i %4i %2i %7s ", i, ep->scLocIdx, ep->typeId, cmSymTblLabel(p->stH,ep->varPtr->varSymId));
_cmScModDumpParam(p," beg", &ep->beg);
_cmScModDumpParam(p," end", &ep->end);
_cmScModDumpParam(p," min", &ep->min);
_cmScModDumpParam(p," max", &ep->max);
_cmScModDumpParam(p," rate",&ep->rate);
printf("\n");
}
printf("VARIABLES\n");
cmScModVar_t* vp = p->vlist;
for(; vp!=NULL; vp=vp->vlink)
{
_cmScModDumpVar(p,vp);
printf("\n");
}
return rc;
}
//=======================================================================================================================
cmRecdPlay* cmRecdPlayAlloc( cmCtx* c, cmRecdPlay* p, double srate, unsigned fragCnt, unsigned chCnt, double initFragSecs, double maxLaSecs, double curLaSecs )
{
cmRecdPlay* op = cmObjAlloc(cmRecdPlay,c,p);
if( cmRecdPlayInit(op,srate,fragCnt,chCnt,initFragSecs,maxLaSecs,curLaSecs) != cmOkRC )
cmRecdPlayFree(&op);
return op;
}
cmRC_t cmRecdPlayFree( cmRecdPlay** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmRecdPlay* p = *pp;
if((rc = cmRecdPlayFinal(p)) != cmOkRC )
return rc;
cmObjFree(pp);
return rc;
}
cmRC_t cmRecdPlayInit( cmRecdPlay* p, double srate, unsigned fragCnt, unsigned chCnt, double initFragSecs, double maxLaSecs, double curLaSecs )
{
cmRC_t rc;
unsigned i;
if( curLaSecs > maxLaSecs )
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The initial look-ahead time %f is greater than the maximum look-ahead time %f.",curLaSecs,maxLaSecs);
if((rc = cmRecdPlayFinal(p)) != cmOkRC )
return rc;
if( chCnt == 0 )
return cmOkRC;
p->frags = cmMemAllocZ(cmRecdPlayFrag,fragCnt);
p->fragCnt = fragCnt;
p->srate = srate;
p->chCnt = chCnt;
p->initFragSecs = initFragSecs;
p->maxLaSmpCnt = floor(maxLaSecs*srate);
p->curLaSmpCnt = floor(curLaSecs*srate);
p->laChs = cmMemAllocZ(cmSample_t*,chCnt);
p->laSmpIdx = 0;
for(i=0; i<chCnt; ++i)
p->laChs[i] = cmMemAllocZ(cmSample_t,p->maxLaSmpCnt);
return rc;
}
cmRC_t cmRecdPlayFinal( cmRecdPlay* p )
{
unsigned i,j;
// free the fragments
for(i=0; i<p->fragCnt; ++i)
{
for(j=0; j<p->chCnt; ++j)
cmMemFree(p->frags[i].chArray[j]);
cmMemFree(p->frags[i].chArray);
}
// free the look-ahead buffers
for(i=0; i<p->chCnt; ++i)
cmMemFree(p->laChs[i]);
cmMemPtrFree(&p->laChs);
cmMemPtrFree(&p->frags);
p->fragCnt = 0;
p->chCnt = 0;
p->rlist = NULL;
p->plist = NULL;
return cmOkRC;
}
cmRC_t cmRecdPlayRegisterFrag( cmRecdPlay* p, unsigned fragIdx, unsigned labelSymId )
{
assert( fragIdx < p->fragCnt );
unsigned i;
p->frags[ fragIdx ].labelSymId = labelSymId;
p->frags[ fragIdx ].chArray = cmMemResizeZ(cmSample_t*,p->frags[fragIdx].chArray,p->chCnt);
for(i=0; i<p->chCnt; ++i)
{
p->frags[ fragIdx ].allocCnt = floor(p->initFragSecs * p->srate);
p->frags[ fragIdx ].chArray[i] = cmMemResizeZ(cmSample_t,p->frags[ fragIdx ].chArray[i],p->frags[fragIdx].allocCnt);
}
return cmOkRC;
}
cmRC_t cmRecdPlaySetLaSecs( cmRecdPlay* p, double curLaSecs )
{
p->curLaSmpCnt = floor(curLaSecs*p->srate);
return cmOkRC;
}
cmRC_t cmRecdPlayRewind( cmRecdPlay* p )
{
unsigned i;
// zero the look-ahead buffers
p->laSmpIdx = 0;
for(i=0; i<p->chCnt; ++i)
cmVOS_Zero(p->laChs[i],p->maxLaSmpCnt);
// remove all the active players
while( p->plist != NULL )
cmRecdPlayEndPlay(p,p->plist->labelSymId);
// remove all the active recorders
while( p->rlist != NULL )
cmRecdPlayEndRecord(p,p->rlist->labelSymId);
// rewind all the fragments play posn.
for(i=0; i<p->fragCnt; ++i)
p->frags[i].playIdx = 0;
return cmOkRC;
}
cmRC_t cmRecdPlayBeginRecord( cmRecdPlay* p, unsigned labelSymId )
{
unsigned i;
for(i=0; i<p->fragCnt; ++i)
if( p->frags[i].labelSymId == labelSymId )
{
// if the frag is not already on the recd list
if( p->frags[i].rlink == NULL )
{
p->frags[i].recdIdx = 0;
p->frags[i].playIdx = 0;
p->frags[i].rlink = p->rlist;
p->rlist = p->frags + i;
// handle LA buf longer than frag buf.
int cpyCnt = cmMin(p->curLaSmpCnt,p->frags[i].allocCnt);
// go backwards in LA buf from newest sample to find init src offset
int srcOffs = p->laSmpIdx - cpyCnt;
// if the src is before the first sample in the LA buf then wrap to end of buf
if( srcOffs < 0 )
srcOffs += p->maxLaSmpCnt;
assert( 0 <= srcOffs && srcOffs < p->maxLaSmpCnt );
// cnt of samples to copy from LA buf (limited by end of LA buf)
int n0 = cmMin(cpyCnt,p->maxLaSmpCnt - srcOffs);
// if necessary wrap to begin of LA buf for remaining samples
int n1 = cpyCnt>n0 ? n1 = cpyCnt-n0 : 0;
int j;
assert(n0+n1 == cpyCnt );
for(j=0; j<p->chCnt; ++j)
cmVOS_Copy(p->frags[i].chArray[j],n0,p->laChs[j]+srcOffs);
if( n1 > 0 )
{
for(j=0; j<p->chCnt; ++j)
cmVOS_Copy(p->frags[i].chArray[j]+n0,n1,p->laChs[j]);
}
p->frags[i].recdIdx = cpyCnt;
p->frags[i].playIdx = 0;
}
return cmOkRC;
}
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'begin record'.",labelSymId);
}
cmRC_t cmRecdPlayEndRecord( cmRecdPlay* p, unsigned labelSymId )
{
cmRecdPlayFrag* fp = p->rlist;
cmRecdPlayFrag* pp = NULL;
for(; fp != NULL; fp=fp->rlink )
{
if( fp->labelSymId == labelSymId )
{
if( pp == NULL )
p->rlist = fp->rlink;
else
pp->rlink = fp->rlink;
fp->rlink = NULL;
return cmOkRC;
}
pp = fp;
}
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'end record'.",labelSymId);
}
cmRC_t cmRecdPlayBeginPlay( cmRecdPlay* p, unsigned labelSymId )
{
unsigned i;
for(i=0; i<p->fragCnt; ++i)
if( p->frags[i].labelSymId == labelSymId )
{
// if the frag is not already on the play list
if( p->frags[i].plink == NULL )
{
p->frags[i].playIdx = 0;
p->frags[i].fadeSmpIdx = 0;
p->frags[i].fadeDbPerSec = 0.0;
p->frags[i].plink = p->plist;
p->plist = p->frags + i;
}
return cmOkRC;
}
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'begin play'.",labelSymId);
}
cmRC_t cmRecdPlayEndPlay( cmRecdPlay* p, unsigned labelSymId )
{
cmRecdPlayFrag* fp = p->plist;
cmRecdPlayFrag* pp = NULL;
for(; fp != NULL; fp=fp->plink )
{
if( fp->labelSymId == labelSymId )
{
if( pp == NULL )
p->plist = fp->plink;
else
pp->plink = fp->plink;
fp->plink = NULL;
return cmOkRC;
}
pp = fp;
}
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'end play'.",labelSymId);
}
cmRC_t cmRecdPlayBeginFade( cmRecdPlay* p, unsigned labelSymId, double fadeDbPerSec )
{
cmRecdPlayFrag* fp = p->plist;
for(; fp != NULL; fp=fp->plink )
if( fp->labelSymId == labelSymId )
{
fp->fadeDbPerSec = -fabs(fadeDbPerSec);
return cmOkRC;
}
return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'fade begin'.",labelSymId);
}
cmRC_t cmRecdPlayExec( cmRecdPlay* p, const cmSample_t** iChs, cmSample_t** oChs, unsigned chCnt, unsigned smpCnt )
{
unsigned i;
chCnt = cmMin(chCnt, p->chCnt);
//-------------------------------------------------------------------
// copy incoming audio into the look-ahead buffers
//
// if the number of incoming samples is longer than the look-head buffer
// then copy exactly maxLaSmpCnt samples from the end of the incoming sample
// buffer to the look-ahead buffer.
unsigned srcOffs = 0;
unsigned srcSmpCnt = smpCnt;
if( srcSmpCnt > p->maxLaSmpCnt )
{
// advance incoming sample buffer so that there are maxLaSmpCnt samples remaining
srcOffs = srcSmpCnt-p->maxLaSmpCnt;
srcSmpCnt = p->maxLaSmpCnt; // decrease the total samples to copy
}
// count of samples from cur posn to end of the LA buffer.
unsigned n0 = cmMin(srcSmpCnt, p->maxLaSmpCnt - p->laSmpIdx );
// count of samples past the end of the LA buffer to be wrapped into begin of buffer
unsigned n1 = srcSmpCnt>n0 ? srcSmpCnt-n0 : 0;
assert(n0+n1 == srcSmpCnt);
// copy first block to end of LA buffer
for(i=0; i<chCnt; ++i)
cmVOS_Copy(p->laChs[i]+p->laSmpIdx,n0,iChs[i] + srcOffs);
p->laSmpIdx += n0;
if( n1!=0)
{
// copy second block to begin of LA buffer
for(i=0; i<chCnt; ++i)
cmVOS_Copy(p->laChs[i],n1,iChs[i] + srcOffs + n0);
p->laSmpIdx = n1;
}
//-------------------------------------------------------------------
// copy incoming audio into the active record buffers
//
cmRecdPlayFrag* fp = p->rlist;
for(; fp!=NULL; fp=fp->rlink)
{
assert( fp->recdIdx <= fp->allocCnt);
unsigned n = cmMin(fp->allocCnt - fp->recdIdx,smpCnt);
unsigned i;
for(i=0; i<p->chCnt; ++i)
cmVOS_Copy(fp->chArray[i] + fp->recdIdx, n, iChs[i] );
fp->recdIdx += n;
}
//-------------------------------------------------------------------
// copy outgoing audio out of the active play buffers
//
fp = p->plist;
for(; fp!=NULL; fp=fp->rlink)
{
assert( fp->playIdx <= fp->recdIdx);
double gain = pow(10.0,((fp->fadeSmpIdx / p->srate) * fp->fadeDbPerSec)/20.0);
unsigned n = cmMin(fp->recdIdx - fp->playIdx,smpCnt);
unsigned i;
for(i=0; i<p->chCnt; ++i)
cmVOS_MultVVS(oChs[i],n,fp->chArray[i] + fp->playIdx,gain);
fp->playIdx += n;
// if a fade rate has been set then advance the fade phase
if(fp->fadeDbPerSec!=0.0)
fp->fadeSmpIdx += smpCnt;
}
return cmOkRC;
}
//=======================================================================================================================
cmGoertzel* cmGoertzelAlloc( cmCtx* c, cmGoertzel* p, double srate, const double* fcHzV, unsigned chCnt, unsigned procSmpCnt, unsigned hopSmpCnt, unsigned wndSmpCnt )
{
cmGoertzel* op = cmObjAlloc(cmGoertzel,c,p);
op->shb = cmShiftBufAlloc(c,NULL,0,0,0);
if( srate > 0 )
if( cmGoertzelInit(op,srate,fcHzV,chCnt,procSmpCnt,wndSmpCnt,hopSmpCnt) != cmOkRC )
cmGoertzelFree(&op);
return op;
}
cmRC_t cmGoertzelFree( cmGoertzel** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmGoertzel* p = *pp;
if((rc = cmGoertzelFinal(p)) != cmOkRC )
return rc;
cmShiftBufFree(&p->shb);
cmMemFree(p->ch);
cmMemFree(p->wnd);
cmObjFree(pp);
return rc;
}
cmRC_t cmGoertzelInit( cmGoertzel* p, double srate, const double* fcHzV, unsigned chCnt, unsigned procSmpCnt, unsigned hopSmpCnt, unsigned wndSmpCnt )
{
cmRC_t rc;
unsigned i;
if((rc = cmGoertzelFinal(p)) != cmOkRC )
return rc;
p->ch = cmMemResizeZ(cmGoertzelCh,p->ch,chCnt);
p->chCnt = chCnt;
p->srate = srate;
p->wnd = cmMemResizeZ(cmSample_t,p->wnd,wndSmpCnt);
cmVOS_Hann(p->wnd,wndSmpCnt);
cmShiftBufInit(p->shb,procSmpCnt,wndSmpCnt,hopSmpCnt);
for(i=0; i<p->chCnt; ++i)
{
cmGoertzelSetFcHz(p,i,fcHzV[i]);
}
return rc;
}
cmRC_t cmGoertzelFinal( cmGoertzel* p )
{ return cmOkRC; }
cmRC_t cmGoertzelSetFcHz( cmGoertzel* p, unsigned chIdx, double hz )
{
assert( chIdx < p->chCnt );
p->ch[chIdx].hz = hz;
p->ch[chIdx].coeff = 2*cos(2*M_PI*hz/p->srate);
return cmOkRC;
}
cmRC_t cmGoertzelExec( cmGoertzel* p, const cmSample_t* inpV, unsigned procSmpCnt, double* outV, unsigned chCnt )
{
unsigned i,j;
while( cmShiftBufExec(p->shb,inpV,procSmpCnt) )
{
unsigned xn = p->shb->wndSmpCnt;
cmSample_t x[ xn ];
cmVOS_MultVVV(x,xn,p->wnd,p->shb->outV);
for(i=0; i<chCnt; ++i)
{
cmGoertzelCh* ch = p->ch + i;
ch->s2 = x[0];
ch->s1 = x[1] + 2 * x[0] * ch->coeff;
for(j=2; j<xn; ++j)
{
ch->s0 = x[j] + ch->coeff * ch->s1 - ch->s2;
ch->s2 = ch->s1;
ch->s1 = ch->s0;
}
outV[i] = ch->s2*ch->s2 + ch->s1*ch->s1 - ch->coeff * ch->s2 * ch->s1;
}
}
return cmOkRC;
}