due to licensing restrictions, we cannot distribute the source code for iLBC encoding and decoding... so remove it, and add instructions on how the user can obtain it themselves

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.2@110869 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 0 insertions, 110 deletions

diff --git a/codecs/ilbc/FrameClassify.c b/codecs/ilbc/FrameClassify.c
deleted file mode 100644
index c982fd667..000000000
--- a/codecs/ilbc/FrameClassify.c
+++ /dev/null
@@ -1,110 +0,0 @@
-
-/******************************************************************
-
-    iLBC Speech Coder ANSI-C Source Code
-
-    FrameClassify.c 
-
-    Copyright (C) The Internet Society (2004). 
-    All Rights Reserved.
-
-******************************************************************/
-
-#include "iLBC_define.h"
-#include "FrameClassify.h"
-
-/*---------------------------------------------------------------*
- *  Classification of subframes to localize start state
- *--------------------------------------------------------------*/
-
-int FrameClassify(      /* index to the max-energy sub-frame */
-    iLBC_Enc_Inst_t *iLBCenc_inst, 
-                        /* (i/o) the encoder state structure */
-    float *residual     /* (i) lpc residual signal */
-) {
-    float max_ssqEn, fssqEn[NSUB_MAX], bssqEn[NSUB_MAX], *pp;
-    int n, l, max_ssqEn_n;
-    const float ssqEn_win[NSUB_MAX-1]={(float)0.8,(float)0.9,
-        (float)1.0,(float)0.9,(float)0.8};
-    const float sampEn_win[5]={(float)1.0/(float)6.0, 
-        (float)2.0/(float)6.0, (float)3.0/(float)6.0,
-        (float)4.0/(float)6.0, (float)5.0/(float)6.0};
-    
-    /* init the front and back energies to zero */
-
-    memset(fssqEn, 0, NSUB_MAX*sizeof(float));
-    memset(bssqEn, 0, NSUB_MAX*sizeof(float));
-
-    /* Calculate front of first seqence */
-
-    n=0;
-    pp=residual;
-
-
-    for (l=0; l<5; l++) {
-        fssqEn[n] += sampEn_win[l] * (*pp) * (*pp);
-        pp++;
-    }
-    for (l=5; l<SUBL; l++) {
-        fssqEn[n] += (*pp) * (*pp);
-        pp++;
-    }
-
-    /* Calculate front and back of all middle sequences */
-
-    for (n=1; n<iLBCenc_inst->nsub-1; n++) {
-        pp=residual+n*SUBL;
-        for (l=0; l<5; l++) {
-            fssqEn[n] += sampEn_win[l] * (*pp) * (*pp);
-            bssqEn[n] += (*pp) * (*pp);
-            pp++;
-        }
-        for (l=5; l<SUBL-5; l++) {
-            fssqEn[n] += (*pp) * (*pp);
-            bssqEn[n] += (*pp) * (*pp);
-            pp++;
-        }
-        for (l=SUBL-5; l<SUBL; l++) {
-            fssqEn[n] += (*pp) * (*pp);
-            bssqEn[n] += sampEn_win[SUBL-l-1] * (*pp) * (*pp);
-            pp++;
-        }
-    }
-
-    /* Calculate back of last seqence */
-
-    n=iLBCenc_inst->nsub-1;
-    pp=residual+n*SUBL;
-    for (l=0; l<SUBL-5; l++) {
-        bssqEn[n] += (*pp) * (*pp);
-        pp++;
-    }
-    for (l=SUBL-5; l<SUBL; l++) {
-        bssqEn[n] += sampEn_win[SUBL-l-1] * (*pp) * (*pp);
-        pp++;
-    }
-
-    /* find the index to the weighted 80 sample with 
-       most energy */
-
-    if (iLBCenc_inst->mode==20) l=1;
-    else                        l=0;
-
-    max_ssqEn=(fssqEn[0]+bssqEn[1])*ssqEn_win[l];
-    max_ssqEn_n=1;
-    for (n=2; n<iLBCenc_inst->nsub; n++) {
-
-        l++;
-
-
-        if ((fssqEn[n-1]+bssqEn[n])*ssqEn_win[l] > max_ssqEn) {
-            max_ssqEn=(fssqEn[n-1]+bssqEn[n]) *
-                            ssqEn_win[l];
-            max_ssqEn_n=n;
-        }
-    }
-
-    return max_ssqEn_n;
-}
-
-