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cmDspKr.c : Added compiled bypass flag and parameter setters to EchoCancel.

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This commit is contained in:
kevin 2015-09-03 17:55:10 -04:00
parent 2d1f53c3d0
commit 0d1824b9c3
1 changed files with 45 additions and 15 deletions
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44
dsp/cmDspKr.c
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@ -3781,17 +3781,17 @@ cmDspInst_t* _cmDspEchoCancelAlloc(cmDspCtx_t* ctx, cmDspClass_t* classPtr, uns
1, "mu", kMuEcId, 0,0, kInDsvFl | kDoubleDsvFl, "NLSM mu coefficient.",
1, "irN", kImpRespN_EcId, 0,0, kInDsvFl | kUIntDsvFl, "Filter impulse response length in samples.",
1, "delayN", kDelayN_EcId, 0,0, kInDsvFl | kUIntDsvFl, "Fixed feedback delay in samples.",
1, "uf_in", kUnfiltInEcId, 0,1, kInDsvFl | kAudioBufDsvFl,"Unfiltered audio input",
1, "f_in", kFiltInEcId, 0,1, kInDsvFl | kAudioBufDsvFl,"Filtered audio input",
1, "out", kOutEcId, 0,1, kOutDsvFl | kAudioBufDsvFl,"Audio output",
1, "uf_in", kUnfiltInEcId, 0,1, kInDsvFl | kAudioBufDsvFl, "Unfiltered audio input",
1, "f_in", kFiltInEcId, 0,1, kInDsvFl | kAudioBufDsvFl, "Filtered audio input",
1, "out", kOutEcId, 0,1, kOutDsvFl | kAudioBufDsvFl, "Audio output",
0 );
p->r = cmNlmsEcAlloc(ctx->cmProcCtx, NULL, 0,0,0 );
p->r = cmNlmsEcAlloc(ctx->cmProcCtx, NULL, 0, 0,0,0 );
cmDspSetDefaultDouble( ctx, &p->inst, kMuEcId, 0, 0.1);
cmDspSetDefaultUInt( ctx, &p->inst, kImpRespN_EcId, 0, 2048);
cmDspSetDefaultUInt( ctx, &p->inst, kDelayN_EcId, 0, 3963);
cmDspSetDefaultUInt( ctx, &p->inst, kDelayN_EcId, 0, 1906);
return &p->inst;
}
@ -3804,7 +3804,7 @@ cmDspRC_t _cmDspEchoCancelSetup( cmDspCtx_t* ctx, cmDspInst_t* inst )
unsigned hN = cmDspUInt(inst,kImpRespN_EcId);
unsigned delayN = cmDspUInt(inst,kDelayN_EcId);
if( cmNlmsEcInit(p->r,mu,hN,delayN) != cmOkRC )
if( cmNlmsEcInit(p->r,cmDspSampleRate(ctx),mu,hN,delayN) != cmOkRC )
rc = cmErrMsg(&inst->classPtr->err, kSubSysFailDspRC, "Unable to initialize the internal echo canceller.");
return rc;
@ -3835,6 +3835,7 @@ cmDspRC_t _cmDspEchoCancelExec(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEv
{
cmDspRC_t rc = kOkDspRC;
cmDspEchoCancel_t* p = (cmDspEchoCancel_t*)inst;
bool bypassFl = false;
const cmSample_t* fV = cmDspAudioBuf(ctx,inst,kFiltInEcId,0);
unsigned fN = cmDspAudioBufSmpCount(ctx,inst,kFiltInEcId,0);
@ -3845,21 +3846,50 @@ cmDspRC_t _cmDspEchoCancelExec(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEv
cmSample_t* yV = cmDspAudioBuf(ctx,inst,kOutEcId,0);
unsigned yN = cmDspAudioBufSmpCount(ctx,inst,kOutEcId,0);
assert( fN==uN && fN==yN );
if( bypassFl )
{
cmVOS_Copy(yV,yN,fV);
}
else
{
if( fV !=NULL && uV != NULL && yV != NULL )
{
assert( uN == yN && fN == yN );
cmNlmsEcExec(p->r,uV,fV,yV,yN);
}
}
return rc;
}
cmDspRC_t _cmDspEchoCancelRecv(cmDspCtx_t* ctx, cmDspInst_t* inst, const cmDspEvt_t* evt )
{
//cmDspEchoCancel_t* p = (cmDspEchoCancel_t*)inst;
cmDspEchoCancel_t* p = (cmDspEchoCancel_t*)inst;
cmDspSetEvent(ctx,inst,evt);
if( p->r != NULL )
{
switch(evt->dstVarId)
{
case kMuEcId:
cmNlmsEcSetMu( p->r, cmDspReal(inst,kMuEcId));
break;
case kImpRespN_EcId:
cmNlmsEcSetIrN( p->r, cmDspUInt(inst,kImpRespN_EcId));
break;
case kDelayN_EcId:
cmNlmsEcSetDelayN( p->r, cmDspUInt(inst,kDelayN_EcId));
break;
}
}
printf("mu:%f dN:%i hN:%i\n",p->r->mu,p->r->delayN,p->r->hN);
return kOkDspRC;
}