CVE-2017-14633: Don't allow for more than 256 channels

[platform/upstream/libvorbis.git] / lib / barkmel.c

diff --git a/lib/barkmel.c b/lib/barkmel.c
index 83a5bf3..4b19935 100644 (file)
--- a/lib/barkmel.c
+++ b/lib/barkmel.c
@@ -1,18 +1,16 @@
 /********************************************************************
  *                                                                  *
- * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE.  *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE.    *
- * PLEASE READ THESE TERMS DISTRIBUTING.                            *
+ * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000             *
- * by Monty <monty@xiph.org> and The XIPHOPHORUS Company            *
- * http://www.xiph.org/                                             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007             *
+ * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: bark scale utility
- last mod: $Id: barkmel.c,v 1.1 2000/01/04 09:04:58 xiphmont Exp $
 
  ********************************************************************/
 
@@ -22,39 +20,43 @@ int main(){
   int i;
   double rate;
   for(i=64;i<32000;i*=2){
-    rate=48000.;
+    rate=48000.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=44100.;
+    rate=44100.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=32000.;
+    rate=32000.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=22050.;
+    rate=22050.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=16000.;
+    rate=16000.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=11025.;
+    rate=11025.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
-    rate=8000.;
+    rate=8000.f;
     fprintf(stderr,"rate=%gHz, block=%d, f(1)=%.2gHz bark(1)=%.2g (of %.2g)\n\n",
-           rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
+            rate,i,rate/2 / (i/2),toBARK(rate/2 /(i/2)),toBARK(rate/2));
 
 
   }
-  for(i=0;i<28;i++){
-    fprintf(stderr,"bark=%d %gHz\n",
-           i,fromBARK(i));
+  {
+    float i;
+    int j;
+    for(i=0.,j=0;i<28;i+=1,j++){
+      fprintf(stderr,"(%d) bark=%f %gHz (%d of 128)\n",
+              j,i,fromBARK(i),(int)(fromBARK(i)/22050.*128.));
+    }
   }
   return(0);
 }