jens
e93e7927cb
git-svn-id: http://moon:8086/svn/software/trunk/libsrc/avpflms@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
40 lines
1.6 KiB
C
Executable File
40 lines
1.6 KiB
C
Executable File
/*-------------------------------------------------------------------------
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* pflms.h Partioned Frequency Least-Mean-Square adaptive algorithm
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* $Id: $
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*-------------------------------------------------------------------------
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*
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* Copyright (C) 2001 Algo Vision Systems GmbH
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef _PFLMS_H
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#define _PFLMS_H
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#include "pfft.h"
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/*-----------------------------------------------------------------------*/
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/* PFLMS-Parameter */
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/*-----------------------------------------------------------------------*/
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typedef struct _sPFLMS
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{
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UINT32 N, P, S, L, C; /* PFLMS-Parameter N, P, S, L, C */
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FLOAT32 gamma; /* Sicherheitskonstannte */
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CMPXBUF *pBufX, *pBufWS; /* komplexe Puffer X[P*S][C], WS[P][C] */
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CMPXBUF *pX, *pWS, *pPj; /* aktuelle Zeiger auf Puffer[p][] */
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COMPLEX *pTemp; /* temporaerer Puffer fuer Y[] und E[] */
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REALBUF *pBufMu; /* reeller Puffer Mu[P*S][C] */
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REALBUF *pMu; /* Aktueller zeiger auf Mu[k-p*S] */
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FLOAT32 *pBufPX; /* reeller Puffer PX[C] */
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FLOAT32 *pBufXsave; /* Overlap-Save Puffer xs[S*L] */
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FFT *pFFT; /* FFT-Objekt */
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} PFLMS;
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AVERR PflmsInit(PFLMS *pObj,UINT32 N, UINT32 P, UINT32 S, UINT32 L, UINT32 C);
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AVERR PflmsInitFilter(PFLMS *pObj, FLOAT32 *pWTD);
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AVERR Pflms(PFLMS *pObj, FLOAT32 *pInTDx, FLOAT32 *pInTDd, FLOAT32 *pOutTDy, FLOAT32 *pOutTDe, FLOAT32 alpha);
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#endif /* _PFLMS_H */
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