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! Make static and remove extern declaration from Vorbis helper API vorbis_lpc_from_data() and  vorbis_lpc_predict() as they will conflict in the project if DUMB is linked as static along with Vorbis static libraries in some other shared library or executable.

--- a/dumb/include/internal/lpc.h

+++ b/dumb/include/internal/lpc.h

@@ -18,12 +18,6 @@

 #ifndef _V_LPC_H_

 #define _V_LPC_H_

-/* simple linear scale LPC code */

-extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);

-

-extern void vorbis_lpc_predict(float *coeff,float *prime,int m,

-                               float *data,long n);

-

 struct DUMB_IT_SIGDATA;

 extern void dumb_it_add_lpc(struct DUMB_IT_SIGDATA *sigdata);

--- a/dumb/src/helpers/lpc.c

+++ b/dumb/src/helpers/lpc.c

@@ -55,7 +55,7 @@

 /* Input : n elements of time doamin data

    Output: m lpc coefficients, excitation energy */

-float vorbis_lpc_from_data(float *data,float *lpci,int n,int m){

+static float vorbis_lpc_from_data(float *data,float *lpci,int n,int m){

   double *aut=alloca(sizeof(*aut)*(m+1));

   double *lpc=alloca(sizeof(*lpc)*(m));

   double error;

@@ -127,7 +127,7 @@

   return error;

 }

-void vorbis_lpc_predict(float *coeff,float *prime,int m,

+static void vorbis_lpc_predict(float *coeff,float *prime,int m,

                      float *data,long n){

   /* in: coeff[0...m-1] LPC coefficients