Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/avpflms@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit e93e7927cb
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+/*-------------------------------------------------------------------------
+ * pflms.h Partioned Frequency Least-Mean-Square adaptive algorithm
+ * $Id: $
+ *-------------------------------------------------------------------------
+ *
+ * Copyright (C) 2001  Algo Vision Systems GmbH
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef _PFLMS_H
+#define _PFLMS_H
+#include "pfft.h"
+
+/*-----------------------------------------------------------------------*/
+/* PFLMS-Parameter */
+/*-----------------------------------------------------------------------*/
+
+typedef struct _sPFLMS
+{
+  UINT32  N, P, S, L, C;       /* PFLMS-Parameter N, P, S, L, C       */
+  avfloat_t gamma;               /* Sicherheitskonstannte               */ 
+  CMPXBUF *pBufWS;             /* komplexe Puffer X[P*S][C], WS[P][C] */
+  CMPXBUF *pX, *pWS, *pPj;     /* aktuelle Zeiger auf Puffer[p][]     */
+  COMPLEX *pTemp;              /* temporaerer Puffer fuer Y[] und E[] */
+  REALBUF *pBufMu;             /* reeller Puffer Mu[P*S][C]           */
+  REALBUF *pMu;                /* Aktueller zeiger auf Mu[k-p*S]      */ 
+  avfloat_t *pBufPX;             /* reeller Puffer PX[C]                */
+  FFT *pFFT;                   /* FFT-Objekt                          */
+  PFFT *pFilter;               /* Filter-Objekt                       */
+} PFLMS;
+
+
+AVERR PflmsInit(PFLMS *pObj,UINT32 N, UINT32 P, UINT32 S, UINT32 L, UINT32 C);
+AVERR PflmsInitFilter(PFLMS *pObj, avfloat_t *pWTD);
+AVERR Pflms(PFLMS *pObj, avfloat_t *pInTDx, avfloat_t *pInTDd, avfloat_t *pOutTDy, avfloat_t *pOutTDe, avfloat_t alpha);
+
+#endif /* _PFLMS_H */
+