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cmOnset.h/c : Replaced cmOnsetExec() with cmOnsetProc() and cmOnsetWrite().

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This commit is contained in:
kpl 2013-09-24 12:56:00 -07:00
parent 2d85218c4b
commit 6a46695080
2 changed files with 81 additions and 44 deletions
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112
app/cmOnset.c
View File

@ -36,6 +36,7 @@ typedef struct
unsigned frmCnt; // spectral frame count
cmReal_t* sfV; // sfV[frmCnt] spectral flux vector
cmReal_t* dfV; // dfV[frmCnt] onset function vector
cmReal_t maxSf;
cmAudioFileInfo_t afInfo;
unsigned fftSmpCnt;
@ -139,15 +140,12 @@ cmOnRC_t cmOnsetFinalize( cmOnH_t* hp )
bool cmOnsetIsValid( cmOnH_t h )
{ return h.h!=NULL; }
cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
cmOnRC_t _cmOnsetExec( _cmOn_t* p )
{
cmOnRC_t rc = kOkOnRC;
int fi = 0;
unsigned binCnt = p->binCnt; //p->pvocPtr->binCnt;
cmReal_t mag0V[ binCnt ];
cmSample_t out0V[ p->hopSmpCnt ];
cmSample_t out1V[ p->hopSmpCnt ];
cmSample_t* aoutV[chCnt];
double prog = 0.1;
cmReal_t b0 = 1;
cmReal_t b[] = {1 };
@ -155,11 +153,6 @@ cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
cmReal_t d[] = {0};
cmReal_t maxVal = 0;
if( chCnt > 0 )
aoutV[0] = out0V;
if( chCnt > 1 )
aoutV[1] = out1V;
cmVOR_Zero(mag0V,binCnt);
@ -206,11 +199,11 @@ cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
cmReal_t stdDev = sqrt(cmVOR_Variance(p->sfV, p->frmCnt, &mean ));
cmVOR_SubVS(p->sfV,p->frmCnt,mean);
cmVOR_DivVS(p->sfV,p->frmCnt,stdDev);
cmReal_t maxSf = cmVOR_Max(p->sfV,p->frmCnt,1);
p->maxSf = cmVOR_Max(p->sfV,p->frmCnt,1);
prog = 0.1;
printf("max:%f ",maxVal);
printf("mean:%f max:%f sd:%f\n",mean,maxSf,stdDev);
printf("mean:%f max:%f sd:%f\n",mean,p->maxSf,stdDev);
// Pick peaks from the onset detection function using a subset
// of the rules from Dixon, 2006, Onset Detection Revisited.
@ -222,9 +215,6 @@ cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
int nn = ei - bi; // wnd frm cnt
int wi = fi < p->cfg.wndFrmCnt ? fi : p->cfg.wndFrmCnt; // cur wnd index
// initialize the out
cmVOS_Fill(out1V,p->hopSmpCnt,p->sfV[fi]/maxSf);
cmVOS_Zero(out0V,p->hopSmpCnt);
p->dfV[fi] = 0;
@ -239,25 +229,10 @@ cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
if( p->sfV[fi] > cmVOR_Mean(p->sfV + bi, nn ) + p->cfg.threshold )
{
p->dfV[fi] = p->sfV[fi];
out0V[ p->hopSmpCnt/2 ] = p->sfV[fi]/maxSf;
unsigned smpIdx = fi * p->hopSmpCnt + p->hopSmpCnt/2;
// write the output text file
if( cmFilePrintf(p->txH, "[ %i, %f ]\n", smpIdx, p->sfV[fi] ) != kOkFileRC )
{
rc = cmErrMsg(&p->err,kDspTextFileFailOnRC,"Text output write to '%s' failed.", cmFileName(p->txH));
goto errLabel;
}
}
}
// write the output audio file
if( cmAudioFileWriteFloat(p->afH, p->hopSmpCnt, chCnt, aoutV ) != kOkAfRC )
{
rc = cmErrMsg(&p->err,kDspAudioFileFailOnRC,"Audio file write to '%s' failed.",cmAudioFileName(p->afH));
goto errLabel;
}
if( fi >= prog*p->frmCnt )
{
@ -267,16 +242,13 @@ cmOnRC_t _cmOnsetExec( _cmOn_t* p, unsigned chCnt )
}
errLabel:
return rc;
}
cmOnRC_t cmOnsetExec( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudioFn, const cmChar_t* outAudioFn, const cmChar_t* outTextFn )
cmOnRC_t cmOnsetProc( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudioFn )
{
cmOnRC_t rc = kOkOnRC;
_cmOn_t* p = _cmOnsetHandleToPtr(h);
unsigned audioOutChCnt = 2;
p->cfg = *cfg;
// get the audio file header information
@ -307,9 +279,29 @@ cmOnRC_t cmOnsetExec( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudi
goto errLabel;
}
rc = _cmOnsetExec(p);
errLabel:
return rc;
}
cmOnRC_t cmOnsetWrite( cmOnH_t h, const cmChar_t* outAudioFn, const cmChar_t* outTextFn)
{
enum { kChCnt = 2 };
cmOnRC_t rc = kOkOnRC;
_cmOn_t* p = _cmOnsetHandleToPtr(h);
cmSample_t out0V[ p->hopSmpCnt ];
cmSample_t out1V[ p->hopSmpCnt ];
cmSample_t* aoutV[kChCnt];
aoutV[0] = out0V;
aoutV[1] = out1V;
// initalize the audio output file
if( outAudioFn != NULL )
if( cmAudioFileIsValid( p->afH = cmAudioFileNewCreate( outAudioFn, p->afInfo.srate, p->afInfo.bits, audioOutChCnt, NULL, p->err.rpt)) == false )
if( cmAudioFileIsValid( p->afH = cmAudioFileNewCreate( outAudioFn, p->afInfo.srate, p->afInfo.bits, kChCnt, NULL, p->err.rpt)) == false )
{
rc = cmErrMsg(&p->err,kDspAudioFileFailOnRC, "The audio output file '%s' could not be opened.", outAudioFn);
goto errLabel;
@ -327,9 +319,47 @@ cmOnRC_t cmOnsetExec( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudi
cmFilePrint(p->txH,"{\n onsetArray : \n[\n");
}
rc = _cmOnsetExec(p,audioOutChCnt);
// rewind the audio file
cmAudioFileRdSeek(p->afRdPtr,0);
unsigned fi;
for(fi=0; fi<p->frmCnt; ++fi)
{
// audio channel 1 is filled with the spectral flux
// initialize the out
cmVOS_Fill(out1V,p->hopSmpCnt,p->sfV[fi]/p->maxSf);
cmVOS_Zero(out0V,p->hopSmpCnt);
if( p->dfV[fi] > 0 )
{
// audio channel 0 is set with the detection indicators
unsigned smpIdx = fi * p->hopSmpCnt + p->hopSmpCnt/2;
out0V[ p->hopSmpCnt/2 ] = p->sfV[fi]/p->maxSf;
// write the output text file
if( cmFileIsValid(p->txH) )
if( cmFilePrintf(p->txH, "[ %i, %f ]\n", smpIdx, p->sfV[fi] ) != kOkFileRC )
{
rc = cmErrMsg(&p->err,kDspTextFileFailOnRC,"Text output write to '%s' failed.", cmFileName(p->txH));
goto errLabel;
}
}
// write the output audio file
if( cmAudioFileIsValid(p->afH) && cmAudioFileRdRead(p->afRdPtr) == cmOkRC )
{
aoutV[0] = p->afRdPtr->outV;
if( cmAudioFileWriteFloat(p->afH, p->hopSmpCnt, kChCnt, aoutV ) != kOkAfRC )
{
rc = cmErrMsg(&p->err,kDspAudioFileFailOnRC,"Audio file write to '%s' failed.",cmAudioFileName(p->afH));
goto errLabel;
}
}
}
errLabel:
// close the output audio file
if( cmAudioFileDelete(&p->afH) != kOkAfRC )
rc = cmErrMsg(&p->err,kDspAudioFileFailOnRC,"The audio file close failed.");
@ -342,9 +372,11 @@ cmOnRC_t cmOnsetExec( cmOnH_t h, const cmOnsetCfg_t* cfg, const cmChar_t* inAudi
if( cmFileClose(&p->txH) != kOkFileRC )
rc = cmErrMsg(&p->err,kDspTextFileFailOnRC,"The text file close failed.");
}
return rc;
}
errLabel:
return rc;
}
cmOnRC_t cmOnsetTest( cmCtx_t* c )
{
@ -367,7 +399,9 @@ cmOnRC_t cmOnsetTest( cmCtx_t* c )
if((rc = cmOnsetInitialize(c,&h)) != kOkOnRC )
goto errLabel;
rc = cmOnsetExec(h,&cfg,inAudioFn,outAudioFn,outTextFn);
if((rc = cmOnsetProc(h,&cfg,inAudioFn)) == kOkOnRC )
cmOnsetWrite(h,outAudioFn,outTextFn);
errLabel:
cmOnsetFinalize(&h);

7
app/cmOnset.h
View File

@ -38,10 +38,13 @@ extern "C" {
bool cmOnsetIsValid( cmOnH_t h );
cmOnRC_t cmOnsetExec(
cmOnRC_t cmOnsetProc(
cmOnH_t h,
const cmOnsetCfg_t* cfg,
const cmChar_t* inAudioFn,
const cmChar_t* inAudioFn );
cmOnRC_t cmOnsetWrite(
cmOnH_t h,
const cmChar_t* outAudioFn,
const cmChar_t* outTextFn);