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--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/6d/6d1332e55a0c159d0c1a6b8c0eff76141d1e96b9.svn-base
@@ -0,0 +1,106 @@
+
+   /******************************************************************
+
+       iLBC Speech Coder ANSI-C Source Code
+
+       helpfun.h
+
+       Copyright (C) The Internet Society (2004).
+       All Rights Reserved.
+
+   ******************************************************************/
+
+   #ifndef __iLBC_HELPFUN_H
+   #define __iLBC_HELPFUN_H
+
+   void autocorr(
+       float *r,       /* (o) autocorrelation vector */
+       const float *x, /* (i) data vector */
+       int N,          /* (i) length of data vector */
+       int order       /* largest lag for calculated
+                          autocorrelations */
+   );
+
+   void window(
+       float *z,       /* (o) the windowed data */
+       const float *x, /* (i) the original data vector */
+       const float *y, /* (i) the window */
+       int N           /* (i) length of all vectors */
+   );
+
+   void levdurb(
+       float *a,       /* (o) lpc coefficient vector starting
+                              with 1.0 */
+       float *k,       /* (o) reflection coefficients */
+       float *r,       /* (i) autocorrelation vector */
+       int order       /* (i) order of lpc filter */
+   );
+
+   void interpolate(
+
+
+
+
+
+       float *out,     /* (o) the interpolated vector */
+       float *in1,     /* (i) the first vector for the
+                              interpolation */
+       float *in2,     /* (i) the second vector for the
+                              interpolation */
+       float coef,     /* (i) interpolation weights */
+       int length      /* (i) length of all vectors */
+   );
+
+   void bwexpand(
+       float *out,     /* (o) the bandwidth expanded lpc
+                              coefficients */
+       float *in,      /* (i) the lpc coefficients before bandwidth
+                              expansion */
+       float coef,     /* (i) the bandwidth expansion factor */
+       int length      /* (i) the length of lpc coefficient vectors */
+   );
+
+   void vq(
+       float *Xq,      /* (o) the quantized vector */
+       int *index,     /* (o) the quantization index */
+       const float *CB,/* (i) the vector quantization codebook */
+       float *X,       /* (i) the vector to quantize */
+       int n_cb,       /* (i) the number of vectors in the codebook */
+       int dim         /* (i) the dimension of all vectors */
+   );
+
+   void SplitVQ(
+       float *qX,      /* (o) the quantized vector */
+       int *index,     /* (o) a vector of indexes for all vector
+                              codebooks in the split */
+       float *X,       /* (i) the vector to quantize */
+       const float *CB,/* (i) the quantizer codebook */
+       int nsplit,     /* the number of vector splits */
+       const int *dim, /* the dimension of X and qX */
+       const int *cbsize /* the number of vectors in the codebook */
+   );
+
+
+   void sort_sq(
+       float *xq,      /* (o) the quantized value */
+       int *index,     /* (o) the quantization index */
+       float x,    /* (i) the value to quantize */
+       const float *cb,/* (i) the quantization codebook */
+       int cb_size     /* (i) the size of the quantization codebook */
+   );
+
+   int LSF_check(      /* (o) 1 for stable lsf vectors and 0 for
+
+
+
+
+
+                              nonstable ones */
+       float *lsf,     /* (i) a table of lsf vectors */
+       int dim,    /* (i) the dimension of each lsf vector */
+       int NoAn    /* (i) the number of lsf vectors in the
+                              table */
+   );
+
+   #endif
+