[xiph-cvs] cvs commit: speex/libspeex filters.c

[Jean-Marc Valin]

jm          02/10/23 02:10:35

  Modified:    libspeex filters.c
  Log:
  ...

Revision  Changes    Path
1.23      +0 -29     speex/libspeex/filters.c

Index: filters.c
===================================================================
RCS file: /usr/local/cvsroot/speex/libspeex/filters.c,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- filters.c	23 Oct 2002 02:56:46 -0000	1.22
+++ filters.c	23 Oct 2002 06:10:35 -0000	1.23
@@ -218,7 +218,6 @@
 #define MAX_FILTER 100
 #define MAX_SIGNAL 1000
 
-#if 1
 void qmf_decomp(float *xx, float *aa, float *y1, float *y2, int N, int M, float *mem)
 {
    int i,j,k,M2;
@@ -249,34 +248,6 @@
    for (i=0;i<M-1;i++)
      mem[i]=xx[N-i-1];
 }
-#else
-void qmf_decomp(float *xx, float *aa, float *bb, float *y1, float *y2, int N, int M, float *mem)
-{
-   int i,j,k;
-   float a[MAX_FILTER];
-   float b[MAX_FILTER];
-   float x[MAX_SIGNAL];
-   for (i=0;i<M;i++)
-      a[M-i-1]=aa[i];
-   for (i=0;i<M;i++)
-      b[M-i-1]=bb[i];
-   for (i=0;i<M-1;i++)
-      x[i]=mem[M-i-2];
-   for (i=0;i<N;i++)
-      x[i+M-1]=xx[i];
-   for (i=0,k=0;i<N;i+=2,k++)
-   {
-      y1[k]=0;
-      for (j=0;j<M;j++)
-         y1[k]+=a[j]*x[i+j];
-      y2[k]=0;
-      for (j=0;j<M;j++)
-         y2[k]+=b[j]*x[i+j];
-   }
-   for (i=0;i<M-1;i++)
-     mem[i]=xx[N-i-1];
-}
-#endif
 
 void fir_decim_mem(float *xx, float *aa, float *y, int N, int M, float *mem)
 {

<p><p>--- >8 ----
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