Initial import

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/fir@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-07-19 07:44:42 +00:00
commit 0179c510fe
12 changed files with 1436 additions and 0 deletions
@@ -0,0 +1,52 @@
+/******************************************************************************/
+/* iir.h
+/******************************************************************************/
+#ifndef RESAMPLE_H
+#define RESAMPLE_H
+
+#include "fir.h"
+#include "firinterp.h"
+#include "firdecim.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+/******************************************************************************/
+
+typedef struct _sRESAMPLER
+{
+
+	FIRIP *pFirL;
+	FIRDECIM *pFirM;
+	float fs1, fs2;
+	int L, M, *pStagesL, *pStagesM;
+	int nStagesL, nStagesM;
+	float **pTemp;
+
+	// Fast Resample
+	int currPhase;
+	float *pH, *pZ;
+	int nTapsPerPhase;
+	int sizeH;
+
+}RESAMPLER;
+
+
+/******************************************************************************/
+int GGT2(int a, int b);
+int GetNumStages(int n);
+int PrimeFactor(int n, int *pBuf);
+void jsort(int *pBuf, int len);
+
+void RSinit(struct _sRESAMPLER *pObj, int nCoef, float fs1, float fs2, int nMaxStagesL, int nMaxStagesM, int blockSize);
+void RSfree(struct _sRESAMPLER *pObj);
+int RSresample(struct _sRESAMPLER *pObj, float *pIn, float *pOut, int len);
+int RSresample2(struct _sRESAMPLER *pObj, float *pIn, float *pOut, int len);
+int RSresample3(struct _sRESAMPLER *pObj, float *pIn, float *pOut, int len);
+
+/******************************************************************************/
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* RESAMPLE_H */