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cmProc2.h/c : Added cmExpander and cmExpanderBank.

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This commit is contained in:
Kevin Larke 2015-03-31 11:16:07 -07:00
parent a262bf4684
commit e9ad88ae0f
2 changed files with 396 additions and 5 deletions
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355
cmProc2.c
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@ -5494,13 +5494,330 @@ cmRC_t cmFbCtlExec( cmFbCtl_t* p, const cmReal_t* x0V )
return rc;
}
//=======================================================================================================================
cmExpander* cmExpanderAlloc( cmCtx* c, cmExpander* p,
double srate, unsigned procSmpCnt, double threshDb, double rlsDb,
double threshMs, double rmsMs, double atkMs, double rlsMs )
{
cmExpander* op = cmObjAlloc(cmExpander,c,p);
if( srate > 0 )
if( cmExpanderInit(op,srate, procSmpCnt, threshDb, rlsDb, threshMs, rmsMs, atkMs, rlsMs) != cmOkRC )
cmExpanderFree(&op);
return op;
}
cmRC_t cmExpanderFree( cmExpander** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmExpander* p = *pp;
if((rc = cmExpanderFinal(p)) != cmOkRC )
return rc;
cmMemFree(p->rmsV);
cmMemFree(p->envV);
cmObjFree(pp);
return rc;
}
cmRC_t cmExpanderInit( cmExpander* p,
double srate, unsigned procSmpCnt, double threshDb, double rlsDb,
double threshMs, double rmsMs, double atkMs, double rlsMs )
{
cmRC_t rc;
unsigned i;
if((rc = cmExpanderFinal(p)) != cmOkRC )
return rc;
unsigned atkN = cmMax(1,ceil( atkMs / (srate * 1000.0)));
unsigned rlsN = cmMax(1,ceil( rlsMs / (srate * 1000.0)));
p->rmsN = cmMax(1,ceil(rmsMs / (srate * 1000.0)));
p->rmsV = cmMemResizeZ(cmReal_t,p->rmsV,p->rmsN);
p->rmsIdx = 0;
p->envN = atkN + rlsN;
p->envV = cmMemResizeZ(cmSample_t,p->envV,p->envN);
p->envIdx = p->envN;
p->threshN = cmMax(1,ceil(threshMs / (srate * 1000.0)));
p->threshIdx = 0;
p->threshLvl = pow(10.0,(threshDb/20.0));
p->rlsLvl = pow(10.0,(rlsDb/20.0));
p->gain = 1.0;
p->atkCnt = 0;
cmSample_t G = (1.0 - p->rlsLvl);
for(i=0; i<atkN; ++i)
{
p->envV[i] = 1.0 - G*i/atkN;
}
for(i=0; i<rlsN; ++i)
{
p->envV[atkN+i] = p->rlsLvl + (G*i/rlsN);
}
printf("rmsN:%i atkN:%i rlsN:%i thr:%f %f rls:%f %f\n",p->rmsN,atkN,rlsN,threshDb,p->threshLvl,rlsDb,p->rlsLvl);
//for(i=0; i<p->envN; ++i)
// printf("%i %f\n",i,p->envV[i]);
//printf("\n");
return cmOkRC;
}
cmRC_t cmExpanderFinal( cmExpander* p )
{ return cmOkRC; }
cmRC_t cmExpanderExec( cmExpander* p, cmSample_t* x, cmSample_t* y, unsigned xyN )
{
unsigned i;
// update the RMS buffer
for(i=0; i<xyN; ++i)
{
// NOTE: using abs() instead of pow(x,2)
p->rmsV[p->rmsIdx] = abs(x[i]);
if( ++p->rmsIdx >= p->rmsN )
p->rmsIdx = 0;
}
// calculate the RMS
double rms = cmVOR_Mean(p->rmsV,p->rmsN);
// update the duration that the signal has been above the threshold
if( rms > p->threshLvl )
p->threshIdx += 1;
else
p->threshIdx = 0;
// begin the atk phase?
if( p->threshIdx > p->threshN && p->envIdx >= p->envN )
{
p->envIdx = 0;
}
// update the output
if( p->envIdx >= p->envN )
{
if( y != NULL )
cmVOS_Copy(y,xyN,x);
}
else
{
if( y == NULL )
y = x;
for(i=0; i<xyN && p->envIdx<p->envN; ++i,++p->envIdx)
y[i] = p->envV[p->envIdx] * x[i];
}
return cmOkRC;
}
cmRC_t cmExpanderExecD( cmExpander* p, double* x, double* y, unsigned xyN )
{
unsigned i;
// update the RMS buffer
for(i=0; i<xyN; ++i)
{
// NOTE: using abs() instead of pow(x,2)
p->rmsV[p->rmsIdx] = x[i];
p->rmsIdx += 1;
if( p->rmsIdx >= p->rmsN )
p->rmsIdx = 0;
}
// calculate the RMS
p->rmsValue = cmVOR_Mean(p->rmsV,p->rmsN);
// update the duration that the signal has been above the threshold
if( p->rmsValue > p->threshLvl )
p->threshIdx += 1;
else
p->threshIdx = 0;
// begin the atk phase?
if( p->threshIdx > p->threshN && p->envIdx >= p->envN )
{
p->envIdx = 0;
p->atkCnt += 1;
}
/*
if( p->envIdx >= p->envN )
p->gain = 1.0;
else
{
p->gain = p->envV[p->envIdx];
p->envIdx += 1;
}
*/
// update the output
if( p->envIdx >= p->envN )
{
if( y != NULL )
cmVOD_Copy(y,xyN,x);
}
else
{
if( y == NULL )
y = x;
for(i=0; i<xyN && p->envIdx<p->envN; ++i,++p->envIdx)
y[i] = p->envV[p->envIdx] * x[i];
}
return cmOkRC;
}
//=======================================================================================================================
cmExpanderBank* cmExpanderBankAlloc( cmCtx* c, cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs )
{
cmExpanderBank* op = cmObjAlloc(cmExpanderBank,c,p);
if( bandN > 0 )
if( cmExpanderBankInit(op,bandN,srate, procSmpCnt, threshDb, rlsDb, threshMs, rmsMs, atkMs, rlsMs) != cmOkRC )
cmExpanderBankFree(&op);
return op;
}
cmRC_t cmExpanderBankFree( cmExpanderBank** pp )
{
cmRC_t rc = cmOkRC;
if( pp==NULL || *pp==NULL )
return rc;
cmExpanderBank* p = *pp;
if((rc = cmExpanderBankFinal(p)) != cmOkRC )
return rc;
cmMemFree(p->b);
cmObjFree(pp);
return rc;
}
cmRC_t cmExpanderBankInit( cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs )
{
cmRC_t rc;
unsigned i;
if((rc = cmExpanderBankFinal(p)) != cmOkRC )
return rc;
p->bandN = bandN;
p->b = cmMemResizeZ(cmExpander*,p->b,p->bandN);
for(i=0; i<bandN; ++i)
p->b[i] = cmExpanderAlloc(p->obj.ctx,NULL,srate, procSmpCnt,threshDb,rlsDb,threshMs,rmsMs,atkMs,rlsMs);
return cmOkRC;
}
cmRC_t cmExpanderBankFinal( cmExpanderBank* p )
{
unsigned i;
for(i=0; i<p->bandN; ++i)
cmExpanderFree(&p->b[i]);
return cmOkRC;
}
cmRC_t cmExpanderBankExec( cmExpanderBank* p, cmSample_t* x, unsigned bandN )
{
assert( bandN <= p->bandN);
unsigned i;
for(i=0; i<bandN; ++i)
{
cmExpanderExec(p->b[i],&x[i],NULL,1);
}
return cmOkRC;
}
/*
cmRC_t cmExpanderBankExecD( cmExpanderBank* p, double* x, unsigned binN )
{
unsigned i;
p->rmsValue = 0;
for(i=0; i<p->bandN; ++i)
{
double sum = cmVOD_Sum(x,binN);
cmExpanderExecD(p->b[i],&sum,NULL,1);
//printf("%f %f\n",sum, p->b[i]->rmsValue);
p->rmsValue += p->b[i]->rmsValue;
cmVOR_MultVS(x,binN,p->b[i]->gain);
}
p->rmsValue /= p->bandN;
return cmOkRC;
}
*/
cmRC_t cmExpanderBankExecD( cmExpanderBank* p, double* x, unsigned bandN )
{
unsigned i;
//unsigned n = 3;
//unsigned no2 = n/2;
double xx;
p->rmsValue = 0;
p->atkCnt = 0;
for(i=0; i<p->bandN; ++i)
{
unsigned atkCnt = p->b[i]->atkCnt;
//if( i >= no2 && i < bandN-no2 )
// xx = cmVOR_Mean(x-no2,n);
//else
xx = x[i];
cmExpanderExecD(p->b[i],&xx,NULL,1);
p->rmsValue += p->b[i]->rmsValue;
p->atkCnt += p->b[i]->atkCnt != atkCnt;
}
p->rmsValue /= p->bandN;
return cmOkRC;
}
//------------------------------------------------------------------------------------------------------------
cmSpecDist_t* cmSpecDistAlloc( cmCtx* ctx,cmSpecDist_t* ap, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopFcmt, unsigned olaWndTypeId )
{
cmSpecDist_t* p = cmObjAlloc( cmSpecDist_t, ctx, ap );
//p->iSpecVa = cmVectArrayAlloc(ctx,kRealVaFl);
//p->oSpecVa = cmVectArrayAlloc(ctx,kRealVaFl);
p->oSpecVa = cmVectArrayAlloc(ctx,kRealVaFl);
if( procSmpCnt != 0 )
{
@ -5521,7 +5838,7 @@ cmRC_t cmSpecDistFree( cmSpecDist_t** pp )
cmSpecDistFinal(p);
//cmVectArrayFree(&p->iSpecVa);
//cmVectArrayFree(&p->oSpecVa);
cmVectArrayFree(&p->oSpecVa);
cmMemPtrFree(&p->hzV);
cmMemPtrFree(&p->iSpecM);
cmMemPtrFree(&p->oSpecM);
@ -5534,7 +5851,7 @@ cmRC_t cmSpecDistFree( cmSpecDist_t** pp )
cmRC_t cmSpecDistInit( cmSpecDist_t* p, unsigned procSmpCnt, double srate, unsigned wndSmpCnt, unsigned hopFcmt, unsigned olaWndTypeId )
{
cmFrqTrkArgs_t fta;
//cmFrqTrkArgs_t fta;
cmRC_t rc;
if((rc = cmSpecDistFinal(p)) != cmOkRC )
@ -5557,7 +5874,7 @@ cmRC_t cmSpecDistInit( cmSpecDist_t* p, unsigned procSmpCnt, double srate, unsig
p->pva = cmPvAnlAlloc( p->obj.ctx, NULL, procSmpCnt, srate, wndSmpCnt, p->hopSmpCnt, flags );
p->pvs = cmPvSynAlloc( p->obj.ctx, NULL, procSmpCnt, srate, wndSmpCnt, p->hopSmpCnt, olaWndTypeId );
/*
fta.srate = srate;
fta.chCnt = 50;
fta.binCnt = p->pva->binCnt;
@ -5580,18 +5897,35 @@ cmRC_t cmSpecDistInit( cmSpecDist_t* p, unsigned procSmpCnt, double srate, unsig
fta.levelFn = "/home/kevin/temp/frqtrk/level.va";
fta.specFn = "/home/kevin/temp/frqtrk/spec.va";
fta.attenFn = "/home/kevin/temp/frqtrk/atten.va";
*/
//p->ft = cmFrqTrkAlloc( p->obj.ctx, NULL, &fta );
/*
cmFbCtlArgs_t fba;
fba.srate = srate;
fba.binCnt = p->pva->binCnt;
fba.hopSmpCnt = p->hopSmpCnt;
fba.bufMs = 500;
fba.maxHz = 5000;
*/
//p->fbc = cmFbCtlAlloc( p->obj.ctx, NULL, &fba );
//unsigned expBandN = 1; //
unsigned expBandN = 20000.0 / (p->srate / p->pva->binCnt);
double expSrate = p->pva->hopSmpCnt / srate;
unsigned expProcSmpCnt = 1;
double expThreshDb = -80.0;
double expRlsDb = -18.0;
double expThreshMs = 250.0;
double expRmsMs = 100.0;
double expAtkMs = 25.0;
double expRlsMs = 1000.0;
p->exb = cmExpanderBankAlloc( p->obj.ctx, NULL, expBandN, expSrate, expProcSmpCnt, expThreshDb, expRlsDb, expThreshMs, expRmsMs, expAtkMs, expRlsMs );
p->spcBwHz = cmMin(srate/2,10000);
p->spcSmArg = 0.05;
p->spcMin = p->spcBwHz;
@ -5628,12 +5962,13 @@ cmRC_t cmSpecDistFinal(cmSpecDist_t* p )
cmRC_t rc = cmOkRC;
//cmVectArrayWrite(p->iSpecVa, "/home/kevin/temp/frqtrk/iSpec.va");
//cmVectArrayWrite(p->oSpecVa, "/home/kevin/temp/frqtrk/oSpec.va");
cmVectArrayWrite(p->oSpecVa, "/home/kevin/temp/expand/oSpec.va");
cmPvAnlFree(&p->pva);
cmPvSynFree(&p->pvs);
//cmFrqTrkFree(&p->ft);
//cmFbCtlFree(&p->fbc);
cmExpanderBankFree(&p->exb);
return rc;
}
@ -5949,7 +6284,17 @@ cmRC_t cmSpecDistExec( cmSpecDist_t* p, const cmSample_t* sp, unsigned sn )
p->hi = (p->hi + 1) % p->hN;
}
//unsigned binN = 12500.0 / (p->srate / p->pva->binCnt);
//cmExpanderBankExecD(p->exb, X1m, binN );
/*
cmExpanderBankExecD(p->exb, X1m, p->exb->bandN );
cmReal_t mean = cmVOR_Mean(X1m,p->exb->bandN);
cmReal_t arr[3] = { p->exb->rmsValue, mean, p->exb->atkCnt };
cmVectArrayAppendR(p->oSpecVa,arr,3);
*/
cmPvSynExec(p->pvs, X1m, p->pva->phsV );

46
cmProc2.h
View File

@ -1054,6 +1054,51 @@ extern "C" {
cmRC_t cmFbCtlFinal(cmFbCtl_t* p );
cmRC_t cmFbCtlExec( cmFbCtl_t* p, const cmReal_t* xV );
//-----------------------------------------------------------------------------------------------------------------------
typedef struct
{
cmObj obj;
cmReal_t* rmsV; // rmsV[rmsN]
unsigned rmsN; //
unsigned rmsIdx;//
cmReal_t rmsValue; // last RMS value
cmSample_t* envV; // envV[envN]
unsigned envN; // atkSmp + rlsSmp;
unsigned threshN;
unsigned threshIdx;
float threshLvl;
float rlsLvl;
unsigned envIdx;
double gain;
unsigned atkCnt;
} cmExpander;
cmExpander* cmExpanderAlloc( cmCtx* c, cmExpander* p, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
cmRC_t cmExpanderFree( cmExpander** pp );
cmRC_t cmExpanderInit( cmExpander* p, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
cmRC_t cmExpanderFinal( cmExpander* p );
cmRC_t cmExpanderExec( cmExpander* p, cmSample_t* x, cmSample_t* y, unsigned xyN );
cmRC_t cmExpanderExecD( cmExpander* p, double* x, double* y, unsigned xyN );
//-----------------------------------------------------------------------------------------------------------------------
typedef struct
{
cmObj obj;
cmExpander** b; // b[bandN]
unsigned bandN;
double rmsValue;
unsigned atkCnt;
} cmExpanderBank;
cmExpanderBank* cmExpanderBankAlloc( cmCtx* c, cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
cmRC_t cmExpanderBankFree( cmExpanderBank** pp );
cmRC_t cmExpanderBankInit( cmExpanderBank* p, unsigned bandN, double srate, unsigned procSmpCnt, double threshDb, double rlsDb, double threshMs, double rmsMs, double atkMs, double rlsMs );
cmRC_t cmExpanderBankFinal( cmExpanderBank* p );
cmRC_t cmExpanderBankExec( cmExpanderBank* p, cmSample_t* x, unsigned bandN );
cmRC_t cmExpanderBankExecD( cmExpanderBank* p, double* x, unsigned bandN );
//------------------------------------------------------------------------------------------------------------
enum
@ -1080,6 +1125,7 @@ extern "C" {
cmFrqTrk* ft;
cmFbCtl_t* fbc;
cmExpanderBank* exb;
unsigned mode;
double thresh;