1 files changed, 0 insertions, 136 deletions
diff --git a/codecs/lpc10/ivfilt.c b/codecs/lpc10/ivfilt.c
deleted file mode 100644
index 784de2571..000000000
--- a/codecs/lpc10/ivfilt.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
-
-$Log$
-Revision 1.16  2004/06/26 03:50:14  markster
-Merge source cleanups (bug #1911)
-
-Revision 1.15  2003/09/19 01:20:22  markster
-Code cleanups (bug #66)
-
-Revision 1.2  2003/09/19 01:20:22  markster
-Code cleanups (bug #66)
-
-Revision 1.1.1.1  2003/02/12 13:59:15  matteo
-mer feb 12 14:56:57 CET 2003
-
-Revision 1.2  2000/01/05 08:20:39  markster
-Some OSS fixes and a few lpc changes to make it actually work
-
- * Revision 1.1  1996/08/19  22:31:53  jaf
- * Initial revision
- *
-
-*/
-
-/*  -- translated by f2c (version 19951025).
-   You must link the resulting object file with the libraries:
-	-lf2c -lm   (in that order)
-*/
-
-#include "f2c.h"
-
-#ifdef P_R_O_T_O_T_Y_P_E_S
-extern int ivfilt_(real *lpbuf, real *ivbuf, integer *len, integer *nsamp, real *ivrc);
-#endif
-
-/* ********************************************************************* */
-
-/* 	IVFILT Version 48 */
-
-/* $Log$
- * Revision 1.16  2004/06/26 03:50:14  markster
- * Merge source cleanups (bug #1911)
- *
- * Revision 1.15  2003/09/19 01:20:22  markster
- * Code cleanups (bug #66)
- *
- * Revision 1.2  2003/09/19 01:20:22  markster
- * Code cleanups (bug #66)
- *
- * Revision 1.1.1.1  2003/02/12 13:59:15  matteo
- * mer feb 12 14:56:57 CET 2003
- *
- * Revision 1.2  2000/01/05 08:20:39  markster
- * Some OSS fixes and a few lpc changes to make it actually work
- *
- * Revision 1.1  1996/08/19  22:31:53  jaf
- * Initial revision
- * */
-/* Revision 1.3  1996/03/15  21:36:29  jaf */
-/* Just added a few comments about which array indices of the arguments */
-/* are used, and mentioning that this subroutine has no local state. */
-
-/* Revision 1.2  1996/03/13  00:01:00  jaf */
-/* Comments added explaining that none of the local variables of this */
-/* subroutine need to be saved from one invocation to the next. */
-
-/* Revision 1.1  1996/02/07 14:47:34  jaf */
-/* Initial revision */
-
-
-/* ********************************************************************* */
-
-/*   2nd order inverse filter, speech is decimated 4:1 */
-
-/* Input: */
-/*  LEN    - Length of speech buffers */
-/*  NSAMP  - Number of samples to filter */
-/*  LPBUF  - Low pass filtered speech buffer */
-/*           Indices LEN-NSAMP-7 through LEN read. */
-/* Output: */
-/*  IVBUF  - Inverse filtered speech buffer */
-/*           Indices LEN-NSAMP+1 through LEN written. */
-/*  IVRC   - Inverse filter reflection coefficients (for voicing) */
-/*          Indices 1 and 2 both written (also read, but only after writing).
-*/
-
-/* This subroutine has no local state. */
-
-/* Subroutine */ int ivfilt_(real *lpbuf, real *ivbuf, integer *len, integer *
-	nsamp, real *ivrc)
-{
-    /* System generated locals */
-    integer i__1;
-
-    /* Local variables */
-    integer i__, j, k;
-    real r__[3], pc1, pc2;
-
-/* 	Arguments */
-/*       Local variables that need not be saved */
-/*       Local state */
-/*       None */
-/*  Calculate Autocorrelations */
-    /* Parameter adjustments */
-    --ivbuf;
-    --lpbuf;
-    --ivrc;
-
-    /* Function Body */
-    for (i__ = 1; i__ <= 3; ++i__) {
-	r__[i__ - 1] = 0.f;
-	k = (i__ - 1) << 2;
-	i__1 = *len;
-	for (j = (i__ << 2) + *len - *nsamp; j <= i__1; j += 2) {
-	    r__[i__ - 1] += lpbuf[j] * lpbuf[j - k];
-	}
-    }
-/*  Calculate predictor coefficients */
-    pc1 = 0.f;
-    pc2 = 0.f;
-    ivrc[1] = 0.f;
-    ivrc[2] = 0.f;
-    if (r__[0] > 1e-10f) {
-	ivrc[1] = r__[1] / r__[0];
-	ivrc[2] = (r__[2] - ivrc[1] * r__[1]) / (r__[0] - ivrc[1] * r__[1]);
-	pc1 = ivrc[1] - ivrc[1] * ivrc[2];
-	pc2 = ivrc[2];
-    }
-/*  Inverse filter LPBUF into IVBUF */
-    i__1 = *len;
-    for (i__ = *len + 1 - *nsamp; i__ <= i__1; ++i__) {
-	ivbuf[i__] = lpbuf[i__] - pc1 * lpbuf[i__ - 4] - pc2 * lpbuf[i__ - 8];
-    }
-    return 0;
-} /* ivfilt_ */
-