Merge pull request #5292 from J08nY/external-lib-update

External lib update: libogg, libvorbis, libtheora

drivers/ogg/bitwise.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2014             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
   function: packing variable sized words into an octet stream
-  last mod: $Id: bitwise.c 17287 2010-06-10 13:42:06Z tterribe $
+  last mod: $Id: bitwise.c 19149 2014-05-27 16:26:23Z giles $
 
  ********************************************************************/
 
@@ -93,11 +93,11 @@ void oggpack_write(oggpack_buffer *b,unsigned long value,int bits){
     b->ptr=b->buffer+b->endbyte;
   }
 
-  value&=mask[bits]; 
+  value&=mask[bits];
   bits+=b->endbit;
 
-  b->ptr[0]|=value<<b->endbit;  
-  
+  b->ptr[0]|=value<<b->endbit;
+
   if(bits>=8){
     b->ptr[1]=(unsigned char)(value>>(8-b->endbit));
     if(bits>=16){
@@ -136,11 +136,11 @@ void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits){
     b->ptr=b->buffer+b->endbyte;
   }
 
-  value=(value&mask[bits])<<(32-bits); 
+  value=(value&mask[bits])<<(32-bits);
   bits+=b->endbit;
 
-  b->ptr[0]|=value>>(24+b->endbit);  
-  
+  b->ptr[0]|=value>>(24+b->endbit);
+
   if(bits>=8){
     b->ptr[1]=(unsigned char)(value>>(16+b->endbit));
     if(bits>=16){
@@ -187,37 +187,41 @@ static void oggpack_writecopy_helper(oggpack_buffer *b,
   unsigned char *ptr=(unsigned char *)source;
 
   long bytes=bits/8;
+  long pbytes=(b->endbit+bits)/8;
   bits-=bytes*8;
 
+  /* expand storage up-front */
+  if(b->endbyte+pbytes>=b->storage){
+    void *ret;
+    if(!b->ptr) goto err;
+    if(b->storage>b->endbyte+pbytes+BUFFER_INCREMENT) goto err;
+    b->storage=b->endbyte+pbytes+BUFFER_INCREMENT;
+    ret=_ogg_realloc(b->buffer,b->storage);
+    if(!ret) goto err;
+    b->buffer=ret;
+    b->ptr=b->buffer+b->endbyte;
+  }
+
+  /* copy whole octets */
   if(b->endbit){
     int i;
     /* unaligned copy.  Do it the hard way. */
     for(i=0;i<bytes;i++)
-      w(b,(unsigned long)(ptr[i]),8);    
+      w(b,(unsigned long)(ptr[i]),8);
   }else{
     /* aligned block copy */
-    if(b->endbyte+bytes+1>=b->storage){
-      void *ret;
-      if(!b->ptr) goto err;
-      if(b->endbyte+bytes+BUFFER_INCREMENT>b->storage) goto err;
-      b->storage=b->endbyte+bytes+BUFFER_INCREMENT;
-      ret=_ogg_realloc(b->buffer,b->storage);
-      if(!ret) goto err;
-      b->buffer=ret;
-      b->ptr=b->buffer+b->endbyte;
-    }
-
     memmove(b->ptr,source,bytes);
     b->ptr+=bytes;
     b->endbyte+=bytes;
     *b->ptr=0;
-
   }
+
+  /* copy trailing bits */
   if(bits){
     if(msb)
-      w(b,(unsigned long)(ptr[bytes]>>(8-bits)),bits);    
+      w(b,(unsigned long)(ptr[bytes]>>(8-bits)),bits);
     else
-      w(b,(unsigned long)(ptr[bytes]),bits);    
+      w(b,(unsigned long)(ptr[bytes]),bits);
   }
   return;
  err:
@@ -281,11 +285,11 @@ long oggpack_look(oggpack_buffer *b,int bits){
 
   ret=b->ptr[0]>>b->endbit;
   if(bits>8){
-    ret|=b->ptr[1]<<(8-b->endbit);  
+    ret|=b->ptr[1]<<(8-b->endbit);
     if(bits>16){
-      ret|=b->ptr[2]<<(16-b->endbit);  
+      ret|=b->ptr[2]<<(16-b->endbit);
       if(bits>24){
-        ret|=b->ptr[3]<<(24-b->endbit);  
+        ret|=b->ptr[3]<<(24-b->endbit);
         if(bits>32 && b->endbit)
           ret|=b->ptr[4]<<(32-b->endbit);
       }
@@ -312,11 +316,11 @@ long oggpackB_look(oggpack_buffer *b,int bits){
 
   ret=b->ptr[0]<<(24+b->endbit);
   if(bits>8){
-    ret|=b->ptr[1]<<(16+b->endbit);  
+    ret|=b->ptr[1]<<(16+b->endbit);
     if(bits>16){
-      ret|=b->ptr[2]<<(8+b->endbit);  
+      ret|=b->ptr[2]<<(8+b->endbit);
       if(bits>24){
-        ret|=b->ptr[3]<<(b->endbit);  
+        ret|=b->ptr[3]<<(b->endbit);
         if(bits>32 && b->endbit)
           ret|=b->ptr[4]>>(8-b->endbit);
       }
@@ -386,11 +390,11 @@ long oggpack_read(oggpack_buffer *b,int bits){
 
   ret=b->ptr[0]>>b->endbit;
   if(bits>8){
-    ret|=b->ptr[1]<<(8-b->endbit);  
+    ret|=b->ptr[1]<<(8-b->endbit);
     if(bits>16){
-      ret|=b->ptr[2]<<(16-b->endbit);  
+      ret|=b->ptr[2]<<(16-b->endbit);
       if(bits>24){
-        ret|=b->ptr[3]<<(24-b->endbit);  
+        ret|=b->ptr[3]<<(24-b->endbit);
         if(bits>32 && b->endbit){
           ret|=b->ptr[4]<<(32-b->endbit);
         }
@@ -429,11 +433,11 @@ long oggpackB_read(oggpack_buffer *b,int bits){
 
   ret=b->ptr[0]<<(24+b->endbit);
   if(bits>8){
-    ret|=b->ptr[1]<<(16+b->endbit);  
+    ret|=b->ptr[1]<<(16+b->endbit);
     if(bits>16){
-      ret|=b->ptr[2]<<(8+b->endbit);  
+      ret|=b->ptr[2]<<(8+b->endbit);
       if(bits>24){
-        ret|=b->ptr[3]<<(b->endbit);  
+        ret|=b->ptr[3]<<(b->endbit);
         if(bits>32 && b->endbit)
           ret|=b->ptr[4]>>(8-b->endbit);
       }
@@ -511,7 +515,7 @@ long oggpackB_bytes(oggpack_buffer *b){
 long oggpackB_bits(oggpack_buffer *b){
   return oggpack_bits(b);
 }
-  
+
 unsigned char *oggpack_get_buffer(oggpack_buffer *b){
   return(b->buffer);
 }
@@ -534,7 +538,7 @@ static int ilog(unsigned int v){
   }
   return(ret);
 }
-      
+
 oggpack_buffer o;
 oggpack_buffer r;
 
@@ -581,7 +585,7 @@ void cliptest(unsigned long *b,int vals,int bits,int *comp,int compsize){
 void cliptestB(unsigned long *b,int vals,int bits,int *comp,int compsize){
   long bytes,i;
   unsigned char *buffer;
-  
+
   oggpackB_reset(&o);
   for(i=0;i<vals;i++)
     oggpackB_write(&o,b[i],bits?bits:ilog(b[i]));
@@ -613,9 +617,190 @@ void cliptestB(unsigned long *b,int vals,int bits,int *comp,int compsize){
   if(oggpackB_bytes(&r)!=bytes)report("leftover bytes after read!\n");
 }
 
+void copytest(int prefill, int copy){
+  oggpack_buffer source_write;
+  oggpack_buffer dest_write;
+  oggpack_buffer source_read;
+  oggpack_buffer dest_read;
+  unsigned char *source;
+  unsigned char *dest;
+  long source_bytes,dest_bytes;
+  int i;
+
+  oggpack_writeinit(&source_write);
+  oggpack_writeinit(&dest_write);
+
+  for(i=0;i<(prefill+copy+7)/8;i++)
+    oggpack_write(&source_write,(i^0x5a)&0xff,8);
+  source=oggpack_get_buffer(&source_write);
+  source_bytes=oggpack_bytes(&source_write);
+
+  /* prefill */
+  oggpack_writecopy(&dest_write,source,prefill);
+
+  /* check buffers; verify end byte masking */
+  dest=oggpack_get_buffer(&dest_write);
+  dest_bytes=oggpack_bytes(&dest_write);
+  if(dest_bytes!=(prefill+7)/8){
+    fprintf(stderr,"wrong number of bytes after prefill! %ld!=%d\n",dest_bytes,(prefill+7)/8);
+    exit(1);
+  }
+  oggpack_readinit(&source_read,source,source_bytes);
+  oggpack_readinit(&dest_read,dest,dest_bytes);
+
+  for(i=0;i<prefill;i+=8){
+    int s=oggpack_read(&source_read,prefill-i<8?prefill-i:8);
+    int d=oggpack_read(&dest_read,prefill-i<8?prefill-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d);
+      exit(1);
+    }
+  }
+  if(prefill<dest_bytes){
+    if(oggpack_read(&dest_read,dest_bytes-prefill)!=0){
+      fprintf(stderr,"prefill=%d mismatch! trailing bits not zero\n",prefill);
+      exit(1);
+    }
+  }
+
+  /* second copy */
+  oggpack_writecopy(&dest_write,source,copy);
+
+  /* check buffers; verify end byte masking */
+  dest=oggpack_get_buffer(&dest_write);
+  dest_bytes=oggpack_bytes(&dest_write);
+  if(dest_bytes!=(copy+prefill+7)/8){
+    fprintf(stderr,"wrong number of bytes after prefill+copy! %ld!=%d\n",dest_bytes,(copy+prefill+7)/8);
+    exit(1);
+  }
+  oggpack_readinit(&source_read,source,source_bytes);
+  oggpack_readinit(&dest_read,dest,dest_bytes);
+
+  for(i=0;i<prefill;i+=8){
+    int s=oggpack_read(&source_read,prefill-i<8?prefill-i:8);
+    int d=oggpack_read(&dest_read,prefill-i<8?prefill-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d);
+      exit(1);
+    }
+  }
+
+  oggpack_readinit(&source_read,source,source_bytes);
+  for(i=0;i<copy;i+=8){
+    int s=oggpack_read(&source_read,copy-i<8?copy-i:8);
+    int d=oggpack_read(&dest_read,copy-i<8?copy-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d copy=%d mismatch! byte %d, %x!=%x\n",prefill,copy,i/8,s,d);
+      exit(1);
+    }
+  }
+
+  if(copy+prefill<dest_bytes){
+    if(oggpack_read(&dest_read,dest_bytes-copy-prefill)!=0){
+      fprintf(stderr,"prefill=%d copy=%d mismatch! trailing bits not zero\n",prefill,copy);
+      exit(1);
+    }
+  }
+
+  oggpack_writeclear(&source_write);
+  oggpack_writeclear(&dest_write);
+
+
+}
+
+void copytestB(int prefill, int copy){
+  oggpack_buffer source_write;
+  oggpack_buffer dest_write;
+  oggpack_buffer source_read;
+  oggpack_buffer dest_read;
+  unsigned char *source;
+  unsigned char *dest;
+  long source_bytes,dest_bytes;
+  int i;
+
+  oggpackB_writeinit(&source_write);
+  oggpackB_writeinit(&dest_write);
+
+  for(i=0;i<(prefill+copy+7)/8;i++)
+    oggpackB_write(&source_write,(i^0x5a)&0xff,8);
+  source=oggpackB_get_buffer(&source_write);
+  source_bytes=oggpackB_bytes(&source_write);
+
+  /* prefill */
+  oggpackB_writecopy(&dest_write,source,prefill);
+
+  /* check buffers; verify end byte masking */
+  dest=oggpackB_get_buffer(&dest_write);
+  dest_bytes=oggpackB_bytes(&dest_write);
+  if(dest_bytes!=(prefill+7)/8){
+    fprintf(stderr,"wrong number of bytes after prefill! %ld!=%d\n",dest_bytes,(prefill+7)/8);
+    exit(1);
+  }
+  oggpackB_readinit(&source_read,source,source_bytes);
+  oggpackB_readinit(&dest_read,dest,dest_bytes);
+
+  for(i=0;i<prefill;i+=8){
+    int s=oggpackB_read(&source_read,prefill-i<8?prefill-i:8);
+    int d=oggpackB_read(&dest_read,prefill-i<8?prefill-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d);
+      exit(1);
+    }
+  }
+  if(prefill<dest_bytes){
+    if(oggpackB_read(&dest_read,dest_bytes-prefill)!=0){
+      fprintf(stderr,"prefill=%d mismatch! trailing bits not zero\n",prefill);
+      exit(1);
+    }
+  }
+
+  /* second copy */
+  oggpackB_writecopy(&dest_write,source,copy);
+
+  /* check buffers; verify end byte masking */
+  dest=oggpackB_get_buffer(&dest_write);
+  dest_bytes=oggpackB_bytes(&dest_write);
+  if(dest_bytes!=(copy+prefill+7)/8){
+    fprintf(stderr,"wrong number of bytes after prefill+copy! %ld!=%d\n",dest_bytes,(copy+prefill+7)/8);
+    exit(1);
+  }
+  oggpackB_readinit(&source_read,source,source_bytes);
+  oggpackB_readinit(&dest_read,dest,dest_bytes);
+
+  for(i=0;i<prefill;i+=8){
+    int s=oggpackB_read(&source_read,prefill-i<8?prefill-i:8);
+    int d=oggpackB_read(&dest_read,prefill-i<8?prefill-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d mismatch! byte %d, %x!=%x\n",prefill,i/8,s,d);
+      exit(1);
+    }
+  }
+
+  oggpackB_readinit(&source_read,source,source_bytes);
+  for(i=0;i<copy;i+=8){
+    int s=oggpackB_read(&source_read,copy-i<8?copy-i:8);
+    int d=oggpackB_read(&dest_read,copy-i<8?copy-i:8);
+    if(s!=d){
+      fprintf(stderr,"prefill=%d copy=%d mismatch! byte %d, %x!=%x\n",prefill,copy,i/8,s,d);
+      exit(1);
+    }
+  }
+
+  if(copy+prefill<dest_bytes){
+    if(oggpackB_read(&dest_read,dest_bytes-copy-prefill)!=0){
+      fprintf(stderr,"prefill=%d copy=%d mismatch! trailing bits not zero\n",prefill,copy);
+      exit(1);
+    }
+  }
+
+  oggpackB_writeclear(&source_write);
+  oggpackB_writeclear(&dest_write);
+
+}
+
 int main(void){
   unsigned char *buffer;
-  long bytes,i;
+  long bytes,i,j;
   static unsigned long testbuffer1[]=
     {18,12,103948,4325,543,76,432,52,3,65,4,56,32,42,34,21,1,23,32,546,456,7,
        567,56,8,8,55,3,52,342,341,4,265,7,67,86,2199,21,7,1,5,1,4};
@@ -761,7 +946,31 @@ int main(void){
       exit(1);
   }
   oggpack_writeclear(&o);
-  fprintf(stderr,"ok.\n");
+  fprintf(stderr,"ok.");
+
+  /* this is partly glassbox; we're mostly concerned about the allocation boundaries */
+
+  fprintf(stderr,"\nTesting aligned writecopies (LSb): ");
+  for(i=0;i<71;i++)
+    for(j=0;j<5;j++)
+      copytest(j*8,i);
+  for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++)
+    for(j=0;j<5;j++)
+      copytest(j*8,i);
+  fprintf(stderr,"ok.      ");
+
+  fprintf(stderr,"\nTesting unaligned writecopies (LSb): ");
+  for(i=0;i<71;i++)
+    for(j=1;j<40;j++)
+      if(j&0x7)
+        copytest(j,i);
+  for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++)
+    for(j=1;j<40;j++)
+      if(j&0x7)
+        copytest(j,i);
+  
+  fprintf(stderr,"ok.      \n");
+
 
   /********** lazy, cut-n-paste retest with MSb packing ***********/
 
@@ -846,12 +1055,34 @@ int main(void){
     fprintf(stderr,"failed; read past end without -1.\n");
       exit(1);
   }
+  fprintf(stderr,"ok.");
   oggpackB_writeclear(&o);
-  fprintf(stderr,"ok.\n\n");
 
+  /* this is partly glassbox; we're mostly concerned about the allocation boundaries */
+
+  fprintf(stderr,"\nTesting aligned writecopies (MSb): ");
+  for(i=0;i<71;i++)
+    for(j=0;j<5;j++)
+      copytestB(j*8,i);
+  for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++)
+    for(j=0;j<5;j++)
+      copytestB(j*8,i);
+  fprintf(stderr,"ok.      ");
+
+  fprintf(stderr,"\nTesting unaligned writecopies (MSb): ");
+  for(i=0;i<71;i++)
+    for(j=1;j<40;j++)
+      if(j&0x7)
+        copytestB(j,i);
+  for(i=BUFFER_INCREMENT*8-71;i<BUFFER_INCREMENT*8+71;i++)
+    for(j=1;j<40;j++)
+      if(j&0x7)
+        copytestB(j,i);
+  
+  fprintf(stderr,"ok.      \n\n");
 
   return(0);
-}  
+}
 #endif  /* _V_SELFTEST */
 
 #undef BUFFER_INCREMENT

drivers/ogg/framing.c

@@ -12,7 +12,7 @@
 
  function: code raw packets into framed OggSquish stream and
            decode Ogg streams back into raw packets
- last mod: $Id: framing.c 17592 2010-11-01 20:27:54Z xiphmont $
+ last mod: $Id: framing.c 18758 2013-01-08 16:29:56Z tterribe $
 
  note: The CRC code is directly derived from public domain code by
  Ross Williams ([email protected]).  See docs/framing.html
@@ -21,6 +21,7 @@
  ********************************************************************/
 
 #include <stdlib.h>
+#include <limits.h>
 #include <string.h>
 #include <ogg/ogg.h>
 
@@ -61,7 +62,7 @@ int ogg_page_serialno(const ogg_page *og){
          (og->header[16]<<16) |
          (og->header[17]<<24));
 }
- 
+
 long ogg_page_pageno(const ogg_page *og){
   return(og->header[18] |
          (og->header[19]<<8) |
@@ -76,16 +77,16 @@ long ogg_page_pageno(const ogg_page *og){
    page, it's counted */
 
 /* NOTE:
-If a page consists of a packet begun on a previous page, and a new
-packet begun (but not completed) on this page, the return will be:
-  ogg_page_packets(page)   ==1, 
-  ogg_page_continued(page) !=0
-
-If a page happens to be a single packet that was begun on a
-previous page, and spans to the next page (in the case of a three or
-more page packet), the return will be: 
-  ogg_page_packets(page)   ==0, 
-  ogg_page_continued(page) !=0
+   If a page consists of a packet begun on a previous page, and a new
+   packet begun (but not completed) on this page, the return will be:
+     ogg_page_packets(page)   ==1,
+     ogg_page_continued(page) !=0
+
+   If a page happens to be a single packet that was begun on a
+   previous page, and spans to the next page (in the case of a three or
+   more page packet), the return will be:
+     ogg_page_packets(page)   ==0,
+     ogg_page_continued(page) !=0
 */
 
 int ogg_page_packets(const ogg_page *og){
@@ -205,7 +206,7 @@ int ogg_stream_init(ogg_stream_state *os,int serialno){
     return(0);
   }
   return(-1);
-} 
+}
 
 /* async/delayed error detection for the ogg_stream_state */
 int ogg_stream_check(ogg_stream_state *os){
@@ -220,10 +221,10 @@ int ogg_stream_clear(ogg_stream_state *os){
     if(os->lacing_vals)_ogg_free(os->lacing_vals);
     if(os->granule_vals)_ogg_free(os->granule_vals);
 
-    memset(os,0,sizeof(*os));    
+    memset(os,0,sizeof(*os));
   }
   return(0);
-} 
+}
 
 int ogg_stream_destroy(ogg_stream_state *os){
   if(os){
@@ -231,44 +232,56 @@ int ogg_stream_destroy(ogg_stream_state *os){
     _ogg_free(os);
   }
   return(0);
-} 
+}
 
 /* Helpers for ogg_stream_encode; this keeps the structure and
    what's happening fairly clear */
 
-static int _os_body_expand(ogg_stream_state *os,int needed){
-  if(os->body_storage<=os->body_fill+needed){
+static int _os_body_expand(ogg_stream_state *os,long needed){
+  if(os->body_storage-needed<=os->body_fill){
+    long body_storage;
     void *ret;
-    ret=_ogg_realloc(os->body_data,(os->body_storage+needed+1024)*
-                     sizeof(*os->body_data));
+    if(os->body_storage>LONG_MAX-needed){
+      ogg_stream_clear(os);
+      return -1;
+    }
+    body_storage=os->body_storage+needed;
+    if(body_storage<LONG_MAX-1024)body_storage+=1024;
+    ret=_ogg_realloc(os->body_data,body_storage*sizeof(*os->body_data));
     if(!ret){
       ogg_stream_clear(os);
       return -1;
     }
-    os->body_storage+=(needed+1024);
+    os->body_storage=body_storage;
     os->body_data=ret;
   }
   return 0;
 }
 
-static int _os_lacing_expand(ogg_stream_state *os,int needed){
-  if(os->lacing_storage<=os->lacing_fill+needed){
+static int _os_lacing_expand(ogg_stream_state *os,long needed){
+  if(os->lacing_storage-needed<=os->lacing_fill){
+    long lacing_storage;
     void *ret;
-    ret=_ogg_realloc(os->lacing_vals,(os->lacing_storage+needed+32)*
-                     sizeof(*os->lacing_vals));
+    if(os->lacing_storage>LONG_MAX-needed){
+      ogg_stream_clear(os);
+      return -1;
+    }
+    lacing_storage=os->lacing_storage+needed;
+    if(lacing_storage<LONG_MAX-32)lacing_storage+=32;
+    ret=_ogg_realloc(os->lacing_vals,lacing_storage*sizeof(*os->lacing_vals));
     if(!ret){
       ogg_stream_clear(os);
       return -1;
     }
     os->lacing_vals=ret;
-    ret=_ogg_realloc(os->granule_vals,(os->lacing_storage+needed+32)*
+    ret=_ogg_realloc(os->granule_vals,lacing_storage*
                      sizeof(*os->granule_vals));
     if(!ret){
       ogg_stream_clear(os);
       return -1;
     }
     os->granule_vals=ret;
-    os->lacing_storage+=(needed+32);
+    os->lacing_storage=lacing_storage;
   }
   return 0;
 }
@@ -287,12 +300,12 @@ void ogg_page_checksum_set(ogg_page *og){
     og->header[23]=0;
     og->header[24]=0;
     og->header[25]=0;
-    
+
     for(i=0;i<og->header_len;i++)
       crc_reg=(crc_reg<<8)^crc_lookup[((crc_reg >> 24)&0xff)^og->header[i]];
     for(i=0;i<og->body_len;i++)
       crc_reg=(crc_reg<<8)^crc_lookup[((crc_reg >> 24)&0xff)^og->body[i]];
-    
+
     og->header[22]=(unsigned char)(crc_reg&0xff);
     og->header[23]=(unsigned char)((crc_reg>>8)&0xff);
     og->header[24]=(unsigned char)((crc_reg>>16)&0xff);
@@ -304,26 +317,31 @@ void ogg_page_checksum_set(ogg_page *og){
 int ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov, int count,
                        long e_o_s, ogg_int64_t granulepos){
 
-  int bytes = 0, lacing_vals, i;
+  long bytes = 0, lacing_vals;
+  int i;
 
   if(ogg_stream_check(os)) return -1;
   if(!iov) return 0;
- 
-  for (i = 0; i < count; ++i) bytes += (int)iov[i].iov_len;
+
+  for (i = 0; i < count; ++i){
+    if(iov[i].iov_len>LONG_MAX) return -1;
+    if(bytes>LONG_MAX-(long)iov[i].iov_len) return -1;
+    bytes += (long)iov[i].iov_len;
+  }
   lacing_vals=bytes/255+1;
 
   if(os->body_returned){
     /* advance packet data according to the body_returned pointer. We
        had to keep it around to return a pointer into the buffer last
        call */
-    
+
     os->body_fill-=os->body_returned;
     if(os->body_fill)
       memmove(os->body_data,os->body_data+os->body_returned,
               os->body_fill);
     os->body_returned=0;
   }
- 
+
   /* make sure we have the buffer storage */
   if(_os_body_expand(os,bytes) || _os_lacing_expand(os,lacing_vals))
     return -1;
@@ -467,33 +485,33 @@ static int ogg_stream_flush_i(ogg_stream_state *os,ogg_page *og, int force, int
       pageno>>=8;
     }
   }
-  
+
   /* zero for computation; filled in later */
   os->header[22]=0;
   os->header[23]=0;
   os->header[24]=0;
   os->header[25]=0;
-  
+
   /* segment table */
   os->header[26]=(unsigned char)(vals&0xff);
   for(i=0;i<vals;i++)
     bytes+=os->header[i+27]=(unsigned char)(os->lacing_vals[i]&0xff);
-  
+
   /* set pointers in the ogg_page struct */
   og->header=os->header;
   og->header_len=os->header_fill=vals+27;
   og->body=os->body_data+os->body_returned;
   og->body_len=bytes;
-  
+
   /* advance the lacing data and set the body_returned pointer */
-  
+
   os->lacing_fill-=vals;
   memmove(os->lacing_vals,os->lacing_vals+vals,os->lacing_fill*sizeof(*os->lacing_vals));
   memmove(os->granule_vals,os->granule_vals+vals,os->lacing_fill*sizeof(*os->granule_vals));
   os->body_returned+=bytes;
-  
+
   /* calculate the checksum */
-  
+
   ogg_page_checksum_set(og);
 
   /* done */
@@ -512,12 +530,20 @@ static int ogg_stream_flush_i(ogg_stream_state *os,ogg_page *og, int force, int
    since ogg_stream_flush will flush the last page in a stream even if
    it's undersized, you almost certainly want to use ogg_stream_pageout
    (and *not* ogg_stream_flush) unless you specifically need to flush
-   an page regardless of size in the middle of a stream. */
+   a page regardless of size in the middle of a stream. */
 
 int ogg_stream_flush(ogg_stream_state *os,ogg_page *og){
   return ogg_stream_flush_i(os,og,1,4096);
 }
 
+/* Like the above, but an argument is provided to adjust the nominal
+   page size for applications which are smart enough to provide their
+   own delay based flushing */
+
+int ogg_stream_flush_fill(ogg_stream_state *os,ogg_page *og, int nfill){
+  return ogg_stream_flush_i(os,og,1,nfill);
+}
+
 /* This constructs pages from buffered packet segments.  The pointers
 returned are to static buffers; do not free. The returned buffers are
 good only until the next call (using the same ogg_stream_state) */
@@ -533,10 +559,10 @@ int ogg_stream_pageout(ogg_stream_state *os, ogg_page *og){
   return(ogg_stream_flush_i(os,og,force,4096));
 }
 
-/* Like the above, but an argument is provided to adjust the nominal 
+/* Like the above, but an argument is provided to adjust the nominal
 page size for applications which are smart enough to provide their
 own delay based flushing */
-   
+
 int ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill){
   int force=0;
   if(ogg_stream_check(os)) return 0;
@@ -645,7 +671,7 @@ int ogg_sync_wrote(ogg_sync_state *oy, long bytes){
   -n) skipped n bytes
    0) page not ready; more data (no bytes skipped)
    n) page synced at current location; page length n bytes
-   
+
 */
 
 long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og){
@@ -654,54 +680,54 @@ long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og){
   long bytes=oy->fill-oy->returned;
 
   if(ogg_sync_check(oy))return 0;
-  
+
   if(oy->headerbytes==0){
     int headerbytes,i;
     if(bytes<27)return(0); /* not enough for a header */
-    
+
     /* verify capture pattern */
     if(memcmp(page,"OggS",4))goto sync_fail;
-    
+
     headerbytes=page[26]+27;
     if(bytes<headerbytes)return(0); /* not enough for header + seg table */
-    
+
     /* count up body length in the segment table */
-    
+
     for(i=0;i<page[26];i++)
       oy->bodybytes+=page[27+i];
     oy->headerbytes=headerbytes;
   }
-  
+
   if(oy->bodybytes+oy->headerbytes>bytes)return(0);
-  
+
   /* The whole test page is buffered.  Verify the checksum */
   {
     /* Grab the checksum bytes, set the header field to zero */
     char chksum[4];
     ogg_page log;
-    
+
     memcpy(chksum,page+22,4);
     memset(page+22,0,4);
-    
+
     /* set up a temp page struct and recompute the checksum */
     log.header=page;
     log.header_len=oy->headerbytes;
     log.body=page+oy->headerbytes;
     log.body_len=oy->bodybytes;
     ogg_page_checksum_set(&log);
-    
+
     /* Compare */
     if(memcmp(chksum,page+22,4)){
       /* D'oh.  Mismatch! Corrupt page (or miscapture and not a page
          at all) */
       /* replace the computed checksum with the one actually read in */
       memcpy(page+22,chksum,4);
-      
+
       /* Bad checksum. Lose sync */
       goto sync_fail;
     }
   }
-  
+
   /* yes, have a whole page all ready to go */
   {
     unsigned char *page=oy->data+oy->returned;
@@ -720,12 +746,12 @@ long ogg_sync_pageseek(ogg_sync_state *oy,ogg_page *og){
     oy->bodybytes=0;
     return(bytes);
   }
-  
+
  sync_fail:
-  
+
   oy->headerbytes=0;
   oy->bodybytes=0;
-  
+
   /* search for possible capture */
   next=memchr(page+1,'O',bytes-1);
   if(!next)
@@ -764,7 +790,7 @@ int ogg_sync_pageout(ogg_sync_state *oy, ogg_page *og){
       /* need more data */
       return(0);
     }
-    
+
     /* head did not start a synced page... skipped some bytes */
     if(!oy->unsynced){
       oy->unsynced=1;
@@ -793,7 +819,7 @@ int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){
   int serialno=ogg_page_serialno(og);
   long pageno=ogg_page_pageno(og);
   int segments=header[26];
-  
+
   if(ogg_stream_check(os)) return -1;
 
   /* clean up 'returned data' */
@@ -848,7 +874,7 @@ int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){
   /* are we a 'continued packet' page?  If so, we may need to skip
      some segments */
   if(continued){
-    if(os->lacing_fill<1 || 
+    if(os->lacing_fill<1 ||
        os->lacing_vals[os->lacing_fill-1]==0x400){
       bos=0;
       for(;segptr<segments;segptr++){
@@ -862,7 +888,7 @@ int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){
       }
     }
   }
-  
+
   if(bodysize){
     if(_os_body_expand(os,bodysize)) return -1;
     memcpy(os->body_data+os->body_fill,body,bodysize);
@@ -875,20 +901,20 @@ int ogg_stream_pagein(ogg_stream_state *os, ogg_page *og){
       int val=header[27+segptr];
       os->lacing_vals[os->lacing_fill]=val;
       os->granule_vals[os->lacing_fill]=-1;
-      
+
       if(bos){
         os->lacing_vals[os->lacing_fill]|=0x100;
         bos=0;
       }
-      
+
       if(val<255)saved=os->lacing_fill;
-      
+
       os->lacing_fill++;
       segptr++;
-      
+
       if(val<255)os->lacing_packet=os->lacing_fill;
     }
-  
+
     /* set the granulepos on the last granuleval of the last full packet */
     if(saved!=-1){
       os->granule_vals[saved]=granulepos;
@@ -1493,7 +1519,7 @@ void test_pack(const int *pl, const int **headers, int byteskip,
     /* construct a test packet */
     ogg_packet op;
     int len=pl[i];
-    
+
     op.packet=data+inptr;
     op.bytes=len;
     op.e_o_s=(pl[i+1]<0?1:0);
@@ -1509,7 +1535,7 @@ void test_pack(const int *pl, const int **headers, int byteskip,
     /* retrieve any finished pages */
     {
       ogg_page og;
-      
+
       while(ogg_stream_pageout(&os_en,&og)){
         /* We have a page.  Check it carefully */
 
@@ -1558,7 +1584,7 @@ void test_pack(const int *pl, const int **headers, int byteskip,
             if(ret==0)break;
             if(ret<0)continue;
             /* got a page.  Happy happy.  Verify that it's good. */
-            
+
             fprintf(stderr,"(%d), ",pageout);
 
             check_page(data+deptr,headers[pageout],&og_de);
@@ -1572,7 +1598,7 @@ void test_pack(const int *pl, const int **headers, int byteskip,
             while(ogg_stream_packetpeek(&os_de,&op_de2)>0){
               ogg_stream_packetpeek(&os_de,NULL);
               ogg_stream_packetout(&os_de,&op_de); /* just catching them all */
-              
+
               /* verify peek and out match */
               if(memcmp(&op_de,&op_de2,sizeof(op_de))){
                 fprintf(stderr,"packetout != packetpeek! pos=%ld\n",
@@ -1598,7 +1624,7 @@ void test_pack(const int *pl, const int **headers, int byteskip,
               }
               bosflag=1;
               depacket+=op_de.bytes;
-              
+
               /* check eos flag */
               if(eosflag){
                 fprintf(stderr,"Multiple decoded packets with eos flag!\n");
@@ -1745,7 +1771,7 @@ int main(void){
                    10,10,10,10,10,10,10,10,
                    10,10,10,10,10,10,10,50,-1};
     const int *headret[]={head1_5,head2_5,head3_5,NULL};
-    
+
     fprintf(stderr,"testing max packet segments... ");
     test_pack(packets,headret,0,0,0);
   }
@@ -1754,7 +1780,7 @@ int main(void){
     /* packet that overspans over an entire page */
     const int packets[]={0,100,130049,259,255,-1};
     const int *headret[]={head1_6,head2_6,head3_6,head4_6,NULL};
-    
+
     fprintf(stderr,"testing very large packets... ");
     test_pack(packets,headret,0,0,0);
   }
@@ -1764,7 +1790,7 @@ int main(void){
        found by Josh Coalson)  */
     const int packets[]={0,100,130049,259,255,-1};
     const int *headret[]={head1_6,head2_6,head3_6,head4_6,NULL};
-    
+
     fprintf(stderr,"testing continuation resync in very large packets... ");
     test_pack(packets,headret,100,2,3);
   }
@@ -1773,7 +1799,7 @@ int main(void){
     /* term only page.  why not? */
     const int packets[]={0,100,64770,-1};
     const int *headret[]={head1_7,head2_7,head3_7,NULL};
-    
+
     fprintf(stderr,"testing zero data page (1 nil packet)... ");
     test_pack(packets,headret,0,0,0);
   }
@@ -1786,13 +1812,13 @@ int main(void){
     int pl[]={0, 1,1,98,4079, 1,1,2954,2057, 76,34,912,0,234,1000,1000, 1000,300,-1};
     int inptr=0,i,j;
     ogg_page og[5];
-    
+
     ogg_stream_reset(&os_en);
 
     for(i=0;pl[i]!=-1;i++){
       ogg_packet op;
       int len=pl[i];
-      
+
       op.packet=data+inptr;
       op.bytes=len;
       op.e_o_s=(pl[i+1]<0?1:0);
@@ -1840,7 +1866,7 @@ int main(void){
       ogg_stream_pagein(&os_de,&temp);
 
       /* do we get the expected results/packets? */
-      
+
       if(ogg_stream_packetout(&os_de,&test)!=1)error();
       checkpacket(&test,0,0,0);
       if(ogg_stream_packetout(&os_de,&test)!=1)error();
@@ -1991,13 +2017,13 @@ int main(void){
 
       fprintf(stderr,"ok.\n");
     }
-    
+
     /* Test recapture: garbage + page */
     {
       ogg_page og_de;
       fprintf(stderr,"Testing search for capture... ");
-      ogg_sync_reset(&oy); 
-      
+      ogg_sync_reset(&oy);
+
       /* 'garbage' */
       memcpy(ogg_sync_buffer(&oy,og[1].body_len),og[1].body,
              og[1].body_len);
@@ -2033,7 +2059,7 @@ int main(void){
     {
       ogg_page og_de;
       fprintf(stderr,"Testing recapture... ");
-      ogg_sync_reset(&oy); 
+      ogg_sync_reset(&oy);
 
       memcpy(ogg_sync_buffer(&oy,og[1].header_len),og[1].header,
              og[1].header_len);
@@ -2077,13 +2103,9 @@ int main(void){
         free_page(&og[i]);
       }
     }
-  }    
+  }
 
   return(0);
 }
 
 #endif
-
-
-
-

drivers/ogg/ogg.h

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: toplevel libogg include
- last mod: $Id: ogg.h 17571 2010-10-27 13:28:20Z xiphmont $
+ last mod: $Id: ogg.h 18044 2011-08-01 17:55:20Z gmaxwell $
 
  ********************************************************************/
 #ifndef _OGG_H
@@ -161,6 +161,7 @@ extern int      ogg_stream_iovecin(ogg_stream_state *os, ogg_iovec_t *iov,
 extern int      ogg_stream_pageout(ogg_stream_state *os, ogg_page *og);
 extern int      ogg_stream_pageout_fill(ogg_stream_state *os, ogg_page *og, int nfill);
 extern int      ogg_stream_flush(ogg_stream_state *os, ogg_page *og);
+extern int      ogg_stream_flush_fill(ogg_stream_state *os, ogg_page *og, int nfill);
 
 /* Ogg BITSTREAM PRIMITIVES: decoding **************************/
 

drivers/ogg/os_types.h

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: #ifdef jail to whip a few platforms into the UNIX ideal.
- last mod: $Id: os_types.h 17712 2010-12-03 17:10:02Z xiphmont $
+ last mod: $Id: os_types.h 19098 2014-02-26 19:06:45Z giles $
 
  ********************************************************************/
 #ifndef _OS_TYPES_H
@@ -24,7 +24,7 @@
 #define _ogg_realloc realloc
 #define _ogg_free    free
 
-#if defined(_WIN32) 
+#if defined(_WIN32)
 
 #  if defined(__CYGWIN__)
 #    include <stdint.h>

drivers/theora/codec.h

@@ -15,7 +15,7 @@
 
  ********************************************************************/
 
-/**\file
+/**\mainpage
  * 
  * \section intro Introduction
  *

drivers/theora/decode.c

@@ -1611,35 +1611,28 @@ static void oc_filter_hedge(unsigned char *_dst,int _dst_ystride,
   int                  sum1;
   int                  bx;
   int                  by;
-  int		       _rlimit1;
-  int		       _rlimit2;
   rdst=_dst;
   rsrc=_src;
-  for(bx=0;bx<8;++bx){
+  for(bx=0;bx<8;bx++){
     cdst=rdst;
     csrc=rsrc;
-    _rlimit1 = _rlimit2 = _flimit;
-    for(by=0;by<10;++by){
+    for(by=0;by<10;by++){
       r[by]=*csrc;
       csrc+=_src_ystride;
     }
     sum0=sum1=0;
-    for(by=0;by<4;++by){
-      int sumed = abs(r[by+1]-r[by]);
-      sum0+=sumed;
-      _rlimit1-=sumed;
-      sumed = abs(r[by+5]-r[by+6]);
-      sum1+=sumed;
-      _rlimit2-=sumed;
+    for(by=0;by<4;by++){
+      sum0+=abs(r[by+1]-r[by]);
+      sum1+=abs(r[by+5]-r[by+6]);
     }
     *_variance0+=OC_MINI(255,sum0);
     *_variance1+=OC_MINI(255,sum1);
-    if(_rlimit1&&_rlimit2&&!(r[5]-r[4]-_qstep)&&!(r[4]-r[5]-_qstep)){
+    if(sum0<_flimit&&sum1<_flimit&&r[5]-r[4]<_qstep&&r[4]-r[5]<_qstep){
       *cdst=(unsigned char)(r[0]*3+r[1]*2+r[2]+r[3]+r[4]+4>>3);
       cdst+=_dst_ystride;
       *cdst=(unsigned char)(r[0]*2+r[1]+r[2]*2+r[3]+r[4]+r[5]+4>>3);
       cdst+=_dst_ystride;
-      for(by=0;by<4;++by){
+      for(by=0;by<4;by++){
         *cdst=(unsigned char)(r[by]+r[by+1]+r[by+2]+r[by+3]*2+
          r[by+4]+r[by+5]+r[by+6]+4>>3);
         cdst+=_dst_ystride;
@@ -1649,13 +1642,13 @@ static void oc_filter_hedge(unsigned char *_dst,int _dst_ystride,
       *cdst=(unsigned char)(r[5]+r[6]+r[7]+r[8]*2+r[9]*3+4>>3);
     }
     else{
-      for(by=1;by<=8;++by){
+      for(by=1;by<=8;by++){
         *cdst=(unsigned char)r[by];
         cdst+=_dst_ystride;
       }
     }
-    ++rdst;
-    ++rsrc;
+    rdst++;
+    rsrc++;
   }
 }
 
@@ -1670,26 +1663,19 @@ static void oc_filter_vedge(unsigned char *_dst,int _dst_ystride,
   int                  sum1;
   int                  bx;
   int                  by;
-  int		       _rlimit1;
-  int		       _rlimit2;
   cdst=_dst;
-  for(by=0;by<8;++by){
+  for(by=0;by<8;by++){
     rsrc=cdst-1;
     rdst=cdst;
-    for(bx=0;bx<10;++bx)r[bx]=*rsrc++;
+    for(bx=0;bx<10;bx++)r[bx]=*rsrc++;
     sum0=sum1=0;
-    _rlimit1 = _rlimit2 = _flimit;
-    for(bx=0;bx<4;++bx){
-      int sumed = abs(r[bx+1]-r[bx]);
-      sum0+=sumed;
-      _rlimit1-=sumed;
-      sumed = abs(r[bx+5]-r[bx+6]);
-      sum1+=sumed;
-      _rlimit2-=sumed;
+    for(bx=0;bx<4;bx++){
+      sum0+=abs(r[bx+1]-r[bx]);
+      sum1+=abs(r[bx+5]-r[bx+6]);
     }
     _variances[0]+=OC_MINI(255,sum0);
     _variances[1]+=OC_MINI(255,sum1);
-    if(_rlimit1&&_rlimit2&&!(r[5]-r[4]-_qstep)&&!(r[4]-r[5]-_qstep)){
+    if(sum0<_flimit&&sum1<_flimit&&r[5]-r[4]<_qstep&&r[4]-r[5]<_qstep){
       *rdst++=(unsigned char)(r[0]*3+r[1]*2+r[2]+r[3]+r[4]+4>>3);
       *rdst++=(unsigned char)(r[0]*2+r[1]+r[2]*2+r[3]+r[4]+r[5]+4>>3);
       for(bx=0;bx<4;bx++){

drivers/theora/encint.h

@@ -14,7 +14,6 @@
   last mod: $Id: encint.h 16503 2009-08-22 18:14:02Z giles $
 
  ********************************************************************/
- 
 #if !defined(_encint_H)
 # define _encint_H (1)
 # if defined(HAVE_CONFIG_H)

drivers/vorbis/COPYING

@@ -1,4 +1,4 @@
-Copyright (c) 2002-2008 Xiph.org Foundation
+Copyright (c) 2002-2015 Xiph.org Foundation
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions

drivers/vorbis/barkmel.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: bark scale utility
- last mod: $Id: barkmel.c 16037 2009-05-26 21:10:58Z xiphmont $
+ last mod: $Id: barkmel.c 19454 2015-03-02 22:39:28Z xiphmont $
 
  ********************************************************************/
 

drivers/vorbis/block.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: PCM data vector blocking, windowing and dis/reassembly
- last mod: $Id: block.c 17561 2010-10-23 10:34:24Z xiphmont $
+ last mod: $Id: block.c 19457 2015-03-03 00:15:29Z giles $
 
  Handle windowing, overlap-add, etc of the PCM vectors.  This is made
  more amusing by Vorbis' current two allowed block sizes.
@@ -31,16 +31,6 @@
 #include "registry.h"
 #include "misc.h"
 
-static int ilog2(unsigned int v){
-  int ret=0;
-  if(v)--v;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
 /* pcm accumulator examples (not exhaustive):
 
  <-------------- lW ---------------->
@@ -184,14 +174,19 @@ static int _vds_shared_init(vorbis_dsp_state *v,vorbis_info *vi,int encp){
   private_state *b=NULL;
   int hs;
 
-  if(ci==NULL) return 1;
+  if(ci==NULL||
+     ci->modes<=0||
+     ci->blocksizes[0]<64||
+     ci->blocksizes[1]<ci->blocksizes[0]){
+    return 1;
+  }
   hs=ci->halfrate_flag;
 
   memset(v,0,sizeof(*v));
   b=v->backend_state=_ogg_calloc(1,sizeof(*b));
 
   v->vi=vi;
-  b->modebits=ilog2(ci->modes);
+  b->modebits=ov_ilog(ci->modes-1);
 
   b->transform[0]=_ogg_calloc(VI_TRANSFORMB,sizeof(*b->transform[0]));
   b->transform[1]=_ogg_calloc(VI_TRANSFORMB,sizeof(*b->transform[1]));
@@ -204,8 +199,14 @@ static int _vds_shared_init(vorbis_dsp_state *v,vorbis_info *vi,int encp){
   mdct_init(b->transform[1][0],ci->blocksizes[1]>>hs);
 
   /* Vorbis I uses only window type 0 */
-  b->window[0]=ilog2(ci->blocksizes[0])-6;
-  b->window[1]=ilog2(ci->blocksizes[1])-6;
+  /* note that the correct computation below is technically:
+       b->window[0]=ov_ilog(ci->blocksizes[0]-1)-6;
+       b->window[1]=ov_ilog(ci->blocksizes[1]-1)-6;
+    but since blocksizes are always powers of two,
+    the below is equivalent.
+   */
+  b->window[0]=ov_ilog(ci->blocksizes[0])-7;
+  b->window[1]=ov_ilog(ci->blocksizes[1])-7;
 
   if(encp){ /* encode/decode differ here */
 
@@ -771,14 +772,14 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
       if(v->lW){
         if(v->W){
           /* large/large */
-          float *w=_vorbis_window_get(b->window[1]-hs);
+          const float *w=_vorbis_window_get(b->window[1]-hs);
           float *pcm=v->pcm[j]+prevCenter;
           float *p=vb->pcm[j];
           for(i=0;i<n1;i++)
             pcm[i]=pcm[i]*w[n1-i-1] + p[i]*w[i];
         }else{
           /* large/small */
-          float *w=_vorbis_window_get(b->window[0]-hs);
+          const float *w=_vorbis_window_get(b->window[0]-hs);
           float *pcm=v->pcm[j]+prevCenter+n1/2-n0/2;
           float *p=vb->pcm[j];
           for(i=0;i<n0;i++)
@@ -787,7 +788,7 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
       }else{
         if(v->W){
           /* small/large */
-          float *w=_vorbis_window_get(b->window[0]-hs);
+          const float *w=_vorbis_window_get(b->window[0]-hs);
           float *pcm=v->pcm[j]+prevCenter;
           float *p=vb->pcm[j]+n1/2-n0/2;
           for(i=0;i<n0;i++)
@@ -796,7 +797,7 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
             pcm[i]=p[i];
         }else{
           /* small/small */
-          float *w=_vorbis_window_get(b->window[0]-hs);
+          const float *w=_vorbis_window_get(b->window[0]-hs);
           float *pcm=v->pcm[j]+prevCenter;
           float *p=vb->pcm[j];
           for(i=0;i<n0;i++)
@@ -1035,7 +1036,7 @@ int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm){
 
 }
 
-float *vorbis_window(vorbis_dsp_state *v,int W){
+const float *vorbis_window(vorbis_dsp_state *v,int W){
   vorbis_info *vi=v->vi;
   codec_setup_info *ci=vi->codec_setup;
   int hs=ci->halfrate_flag;

drivers/vorbis/books/Makefile.am

@@ -1,3 +0,0 @@
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-
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drivers/vorbis/books/Makefile.in

@@ -1,514 +0,0 @@
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-
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-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
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drivers/vorbis/books/uncoupled/Makefile.am

@@ -1,3 +0,0 @@
-## Process this file with automake to produce Makefile.in
-
-EXTRA_DIST = res_books_uncoupled.h

drivers/vorbis/books/uncoupled/Makefile.in

@@ -1,356 +0,0 @@
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-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:

drivers/vorbis/codebook.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: basic codebook pack/unpack/code/decode operations
- last mod: $Id: codebook.c 17553 2010-10-21 17:54:26Z tterribe $
+ last mod: $Id: codebook.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -53,16 +53,16 @@ int vorbis_staticbook_pack(const static_codebook *c,oggpack_buffer *opb){
     oggpack_write(opb,c->lengthlist[0]-1,5); /* 1 to 32 */
 
     for(i=1;i<c->entries;i++){
-      long this=c->lengthlist[i];
-      long last=c->lengthlist[i-1];
+      char this=c->lengthlist[i];
+      char last=c->lengthlist[i-1];
       if(this>last){
         for(j=last;j<this;j++){
-          oggpack_write(opb,i-count,_ilog(c->entries-count));
+          oggpack_write(opb,i-count,ov_ilog(c->entries-count));
           count=i;
         }
       }
     }
-    oggpack_write(opb,i-count,_ilog(c->entries-count));
+    oggpack_write(opb,i-count,ov_ilog(c->entries-count));
 
   }else{
     /* length random.  Again, we don't code the codeword itself, just
@@ -159,7 +159,7 @@ static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
   s->entries=oggpack_read(opb,24);
   if(s->entries==-1)goto _eofout;
 
-  if(_ilog(s->dim)+_ilog(s->entries)>24)goto _eofout;
+  if(ov_ilog(s->dim)+ov_ilog(s->entries)>24)goto _eofout;
 
   /* codeword ordering.... length ordered or unordered? */
   switch((int)oggpack_read(opb,1)){
@@ -203,7 +203,7 @@ static_codebook *vorbis_staticbook_unpack(oggpack_buffer *opb){
       s->lengthlist=_ogg_malloc(sizeof(*s->lengthlist)*s->entries);
 
       for(i=0;i<s->entries;){
-        long num=oggpack_read(opb,_ilog(s->entries-i));
+        long num=oggpack_read(opb,ov_ilog(s->entries-i));
         if(num==-1)goto _eofout;
         if(length>32 || num>s->entries-i ||
            (num>0 && (num-1)>>(length-1)>1)){
@@ -312,6 +312,12 @@ STIN long decode_packed_entry_number(codebook *book, oggpack_buffer *b){
     hi=book->used_entries;
   }
 
+  /* Single entry codebooks use a firsttablen of 1 and a
+     dec_maxlength of 1.  If a single-entry codebook gets here (due to
+     failure to read one bit above), the next look attempt will also
+     fail and we'll correctly kick out instead of trying to walk the
+     underformed tree */
+
   lok = oggpack_look(b, read);
 
   while(lok<0 && read>1)
@@ -367,6 +373,7 @@ long vorbis_book_decode(codebook *book, oggpack_buffer *b){
 }
 
 /* returns 0 on OK or -1 on eof *************************************/
+/* decode vector / dim granularity gaurding is done in the upper layer */
 long vorbis_book_decodevs_add(codebook *book,float *a,oggpack_buffer *b,int n){
   if(book->used_entries>0){
     int step=n/book->dim;
@@ -386,6 +393,7 @@ long vorbis_book_decodevs_add(codebook *book,float *a,oggpack_buffer *b,int n){
   return(0);
 }
 
+/* decode vector / dim granularity gaurding is done in the upper layer */
 long vorbis_book_decodev_add(codebook *book,float *a,oggpack_buffer *b,int n){
   if(book->used_entries>0){
     int i,j,entry;
@@ -431,6 +439,9 @@ long vorbis_book_decodev_add(codebook *book,float *a,oggpack_buffer *b,int n){
   return(0);
 }
 
+/* unlike the others, we guard against n not being an integer number
+   of <dim> internally rather than in the upper layer (called only by
+   floor0) */
 long vorbis_book_decodev_set(codebook *book,float *a,oggpack_buffer *b,int n){
   if(book->used_entries>0){
     int i,j,entry;
@@ -440,15 +451,15 @@ long vorbis_book_decodev_set(codebook *book,float *a,oggpack_buffer *b,int n){
       entry = decode_packed_entry_number(book,b);
       if(entry==-1)return(-1);
       t     = book->valuelist+entry*book->dim;
-      for (j=0;j<book->dim;)
+      for (j=0;i<n && j<book->dim;){
         a[i++]=t[j++];
+      }
     }
   }else{
-    int i,j;
+    int i;
 
     for(i=0;i<n;){
-      for (j=0;j<book->dim;)
-        a[i++]=0.f;
+      a[i++]=0.f;
     }
   }
   return(0);

drivers/vorbis/codebook.h

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: basic shared codebook operations
- last mod: $Id: codebook.h 17030 2010-03-25 06:52:55Z xiphmont $
+ last mod: $Id: codebook.h 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -34,14 +34,14 @@
 */
 
 typedef struct static_codebook{
-  long   dim;            /* codebook dimensions (elements per vector) */
-  long   entries;        /* codebook entries */
-  long  *lengthlist;     /* codeword lengths in bits */
+  long   dim;           /* codebook dimensions (elements per vector) */
+  long   entries;       /* codebook entries */
+  char  *lengthlist;    /* codeword lengths in bits */
 
   /* mapping ***************************************************************/
-  int    maptype;        /* 0=none
-                            1=implicitly populated values from map column
-                            2=listed arbitrary values */
+  int    maptype;       /* 0=none
+                           1=implicitly populated values from map column
+                           2=listed arbitrary values */
 
   /* The below does a linear, single monotonic sequence mapping. */
   long     q_min;       /* packed 32 bit float; quant value 0 maps to minval */
@@ -89,7 +89,6 @@ extern float *_book_logdist(const static_codebook *b,float *vals);
 extern float _float32_unpack(long val);
 extern long   _float32_pack(float val);
 extern int  _best(codebook *book, float *a, int step);
-extern int _ilog(unsigned int v);
 extern long _book_maptype1_quantvals(const static_codebook *b);
 
 extern int vorbis_book_besterror(codebook *book,float *a,int step,int addmul);

drivers/vorbis/floor0.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: floor backend 0 implementation
- last mod: $Id: floor0.c 17558 2010-10-22 00:24:41Z tterribe $
+ last mod: $Id: floor0.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -147,6 +147,9 @@ static vorbis_look_floor *floor0_look(vorbis_dsp_state *vd,
                                       vorbis_info_floor *i){
   vorbis_info_floor0 *info=(vorbis_info_floor0 *)i;
   vorbis_look_floor0 *look=_ogg_calloc(1,sizeof(*look));
+
+  (void)vd;
+
   look->m=info->order;
   look->ln=info->barkmap;
   look->vi=info;
@@ -165,7 +168,7 @@ static void *floor0_inverse1(vorbis_block *vb,vorbis_look_floor *i){
   if(ampraw>0){ /* also handles the -1 out of data case */
     long maxval=(1<<info->ampbits)-1;
     float amp=(float)ampraw/maxval*info->ampdB;
-    int booknum=oggpack_read(&vb->opb,_ilog(info->numbooks));
+    int booknum=oggpack_read(&vb->opb,ov_ilog(info->numbooks));
 
     if(booknum!=-1 && booknum<info->numbooks){ /* be paranoid */
       codec_setup_info  *ci=vb->vd->vi->codec_setup;
@@ -177,10 +180,9 @@ static void *floor0_inverse1(vorbis_block *vb,vorbis_look_floor *i){
          vector */
       float *lsp=_vorbis_block_alloc(vb,sizeof(*lsp)*(look->m+b->dim+1));
 
-      for(j=0;j<look->m;j+=b->dim)
-        if(vorbis_book_decodev_set(b,lsp+j,&vb->opb,b->dim)==-1)goto eop;
+      if(vorbis_book_decodev_set(b,lsp,&vb->opb,look->m)==-1)goto eop;
       for(j=0;j<look->m;){
-        for(k=0;k<b->dim;k++,j++)lsp[j]+=last;
+        for(k=0;j<look->m && k<b->dim;k++,j++)lsp[j]+=last;
         last=lsp[j-1];
       }
 

drivers/vorbis/floor1.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: floor backend 1 implementation
- last mod: $Id: floor1.c 17555 2010-10-21 18:14:51Z tterribe $
+ last mod: $Id: floor1.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -72,25 +72,6 @@ static void floor1_free_look(vorbis_look_floor *i){
   }
 }
 
-static int ilog(unsigned int v){
-  int ret=0;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
-static int ilog2(unsigned int v){
-  int ret=0;
-  if(v)--v;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
 static void floor1_pack (vorbis_info_floor *i,oggpack_buffer *opb){
   vorbis_info_floor1 *info=(vorbis_info_floor1 *)i;
   int j,k;
@@ -117,8 +98,10 @@ static void floor1_pack (vorbis_info_floor *i,oggpack_buffer *opb){
 
   /* save out the post list */
   oggpack_write(opb,info->mult-1,2);     /* only 1,2,3,4 legal now */
-  oggpack_write(opb,ilog2(maxposit),4);
-  rangebits=ilog2(maxposit);
+  /* maxposit cannot legally be less than 1; this is encode-side, we
+     can assume our setup is OK */
+  oggpack_write(opb,ov_ilog(maxposit-1),4);
+  rangebits=ov_ilog(maxposit-1);
 
   for(j=0,k=0;j<info->partitions;j++){
     count+=info->class_dim[info->partitionclass[j]];
@@ -167,6 +150,7 @@ static vorbis_info_floor *floor1_unpack (vorbis_info *vi,oggpack_buffer *opb){
 
   for(j=0,k=0;j<info->partitions;j++){
     count+=info->class_dim[info->partitionclass[j]];
+    if(count>VIF_POSIT) goto err_out;
     for(;k<count;k++){
       int t=info->postlist[k+2]=oggpack_read(opb,rangebits);
       if(t<0 || t>=(1<<rangebits))
@@ -202,6 +186,8 @@ static vorbis_look_floor *floor1_look(vorbis_dsp_state *vd,
   vorbis_look_floor1 *look=_ogg_calloc(1,sizeof(*look));
   int i,j,n=0;
 
+  (void)vd;
+
   look->vi=info;
   look->n=info->postlist[1];
 
@@ -851,9 +837,9 @@ int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
 
     /* beginning/end post */
     look->frames++;
-    look->postbits+=ilog(look->quant_q-1)*2;
-    oggpack_write(opb,out[0],ilog(look->quant_q-1));
-    oggpack_write(opb,out[1],ilog(look->quant_q-1));
+    look->postbits+=ov_ilog(look->quant_q-1)*2;
+    oggpack_write(opb,out[0],ov_ilog(look->quant_q-1));
+    oggpack_write(opb,out[1],ov_ilog(look->quant_q-1));
 
 
     /* partition by partition */
@@ -869,7 +855,9 @@ int floor1_encode(oggpack_buffer *opb,vorbis_block *vb,
 
       /* generate the partition's first stage cascade value */
       if(csubbits){
-        int maxval[8];
+        int maxval[8]={0,0,0,0,0,0,0,0}; /* gcc's static analysis
+                                            issues a warning without
+                                            initialization */
         for(k=0;k<csub;k++){
           int booknum=info->class_subbook[class][k];
           if(booknum<0){
@@ -977,8 +965,8 @@ static void *floor1_inverse1(vorbis_block *vb,vorbis_look_floor *in){
   if(oggpack_read(&vb->opb,1)==1){
     int *fit_value=_vorbis_block_alloc(vb,(look->posts)*sizeof(*fit_value));
 
-    fit_value[0]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
-    fit_value[1]=oggpack_read(&vb->opb,ilog(look->quant_q-1));
+    fit_value[0]=oggpack_read(&vb->opb,ov_ilog(look->quant_q-1));
+    fit_value[1]=oggpack_read(&vb->opb,ov_ilog(look->quant_q-1));
 
     /* partition by partition */
     for(i=0,j=2;i<info->partitions;i++){

drivers/vorbis/info.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2010             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: maintain the info structure, info <-> header packets
- last mod: $Id: info.c 17584 2010-11-01 19:26:16Z xiphmont $
+ last mod: $Id: info.c 19441 2015-01-21 01:17:41Z xiphmont $
 
  ********************************************************************/
 
@@ -31,20 +31,10 @@
 #include "misc.h"
 #include "os.h"
 
-#define GENERAL_VENDOR_STRING "Xiph.Org libVorbis 1.3.2"
-#define ENCODE_VENDOR_STRING "Xiph.Org libVorbis I 20101101 (Schaufenugget)"
+#define GENERAL_VENDOR_STRING "Xiph.Org libVorbis 1.3.5"
+#define ENCODE_VENDOR_STRING "Xiph.Org libVorbis I 20150105 (⛄⛄⛄⛄)"
 
 /* helpers */
-static int ilog2(unsigned int v){
-  int ret=0;
-  if(v)--v;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
 static void _v_writestring(oggpack_buffer *o,const char *s, int bytes){
 
   while(bytes--){
@@ -272,7 +262,6 @@ static int _vorbis_unpack_comment(vorbis_comment *vc,oggpack_buffer *opb){
 static int _vorbis_unpack_books(vorbis_info *vi,oggpack_buffer *opb){
   codec_setup_info     *ci=vi->codec_setup;
   int i;
-  if(!ci)return(OV_EFAULT);
 
   /* codebooks */
   ci->books=oggpack_read(opb,8)+1;
@@ -411,6 +400,10 @@ int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op)
           /* um... we didn't get the initial header */
           return(OV_EBADHEADER);
         }
+        if(vc->vendor!=NULL){
+          /* previously initialized comment header */
+          return(OV_EBADHEADER);
+        }
 
         return(_vorbis_unpack_comment(vc,&opb));
 
@@ -419,6 +412,14 @@ int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op)
           /* um... we didn;t get the initial header or comments yet */
           return(OV_EBADHEADER);
         }
+        if(vi->codec_setup==NULL){
+          /* improperly initialized vorbis_info */
+          return(OV_EFAULT);
+        }
+        if(((codec_setup_info *)vi->codec_setup)->books>0){
+          /* previously initialized setup header */
+          return(OV_EBADHEADER);
+        }
 
         return(_vorbis_unpack_books(vi,&opb));
 
@@ -436,7 +437,11 @@ int vorbis_synthesis_headerin(vorbis_info *vi,vorbis_comment *vc,ogg_packet *op)
 
 static int _vorbis_pack_info(oggpack_buffer *opb,vorbis_info *vi){
   codec_setup_info     *ci=vi->codec_setup;
-  if(!ci)return(OV_EFAULT);
+  if(!ci||
+     ci->blocksizes[0]<64||
+     ci->blocksizes[1]<ci->blocksizes[0]){
+    return(OV_EFAULT);
+  }
 
   /* preamble */
   oggpack_write(opb,0x01,8);
@@ -451,8 +456,8 @@ static int _vorbis_pack_info(oggpack_buffer *opb,vorbis_info *vi){
   oggpack_write(opb,vi->bitrate_nominal,32);
   oggpack_write(opb,vi->bitrate_lower,32);
 
-  oggpack_write(opb,ilog2(ci->blocksizes[0]),4);
-  oggpack_write(opb,ilog2(ci->blocksizes[1]),4);
+  oggpack_write(opb,ov_ilog(ci->blocksizes[0]-1),4);
+  oggpack_write(opb,ov_ilog(ci->blocksizes[1]-1),4);
   oggpack_write(opb,1,1);
 
   return(0);
@@ -550,7 +555,10 @@ int vorbis_commentheader_out(vorbis_comment *vc,
   oggpack_buffer opb;
 
   oggpack_writeinit(&opb);
-  if(_vorbis_pack_comment(&opb,vc)) return OV_EIMPL;
+  if(_vorbis_pack_comment(&opb,vc)){
+    oggpack_writeclear(&opb);
+    return OV_EIMPL;
+  }
 
   op->packet = _ogg_malloc(oggpack_bytes(&opb));
   memcpy(op->packet, opb.buffer, oggpack_bytes(&opb));
@@ -561,6 +569,7 @@ int vorbis_commentheader_out(vorbis_comment *vc,
   op->granulepos=0;
   op->packetno=1;
 
+  oggpack_writeclear(&opb);
   return 0;
 }
 
@@ -574,7 +583,7 @@ int vorbis_analysis_headerout(vorbis_dsp_state *v,
   oggpack_buffer opb;
   private_state *b=v->backend_state;
 
-  if(!b){
+  if(!b||vi->channels<=0){
     ret=OV_EFAULT;
     goto err_out;
   }

drivers/vorbis/lsp.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
   function: LSP (also called LSF) conversion routines
-  last mod: $Id: lsp.c 17538 2010-10-15 02:52:29Z tterribe $
+  last mod: $Id: lsp.c 19453 2015-03-02 22:35:34Z xiphmont $
 
   The LSP generation code is taken (with minimal modification and a
   few bugfixes) from "On the Computation of the LSP Frequencies" by
@@ -309,7 +309,6 @@ static int comp(const void *a,const void *b){
 #define EPSILON 10e-7
 static int Laguerre_With_Deflation(float *a,int ord,float *r){
   int i,m;
-  double lastdelta=0.f;
   double *defl=alloca(sizeof(*defl)*(ord+1));
   for(i=0;i<=ord;i++)defl[i]=a[i];
 
@@ -346,7 +345,6 @@ static int Laguerre_With_Deflation(float *a,int ord,float *r){
       if(delta<0.f)delta*=-1;
 
       if(fabs(delta/new)<10e-12)break;
-      lastdelta=delta;
     }
 
     r[m-1]=new;

drivers/vorbis/mapping0.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: channel mapping 0 implementation
- last mod: $Id: mapping0.c 17022 2010-03-25 03:45:42Z xiphmont $
+ last mod: $Id: mapping0.c 19441 2015-01-21 01:17:41Z xiphmont $
 
  ********************************************************************/
 
@@ -45,16 +45,6 @@ static void mapping0_free_info(vorbis_info_mapping *i){
   }
 }
 
-static int ilog(unsigned int v){
-  int ret=0;
-  if(v)--v;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
 static void mapping0_pack(vorbis_info *vi,vorbis_info_mapping *vm,
                           oggpack_buffer *opb){
   int i;
@@ -78,8 +68,8 @@ static void mapping0_pack(vorbis_info *vi,vorbis_info_mapping *vm,
     oggpack_write(opb,info->coupling_steps-1,8);
 
     for(i=0;i<info->coupling_steps;i++){
-      oggpack_write(opb,info->coupling_mag[i],ilog(vi->channels));
-      oggpack_write(opb,info->coupling_ang[i],ilog(vi->channels));
+      oggpack_write(opb,info->coupling_mag[i],ov_ilog(vi->channels-1));
+      oggpack_write(opb,info->coupling_ang[i],ov_ilog(vi->channels-1));
     }
   }else
     oggpack_write(opb,0,1);
@@ -104,6 +94,7 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
   vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
   codec_setup_info     *ci=vi->codec_setup;
   memset(info,0,sizeof(*info));
+  if(vi->channels<=0)goto err_out;
 
   b=oggpack_read(opb,1);
   if(b<0)goto err_out;
@@ -119,8 +110,11 @@ static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
     info->coupling_steps=oggpack_read(opb,8)+1;
     if(info->coupling_steps<=0)goto err_out;
     for(i=0;i<info->coupling_steps;i++){
-      int testM=info->coupling_mag[i]=oggpack_read(opb,ilog(vi->channels));
-      int testA=info->coupling_ang[i]=oggpack_read(opb,ilog(vi->channels));
+      /* vi->channels > 0 is enforced in the caller */
+      int testM=info->coupling_mag[i]=
+        oggpack_read(opb,ov_ilog(vi->channels-1));
+      int testA=info->coupling_ang[i]=
+        oggpack_read(opb,ov_ilog(vi->channels-1));
 
       if(testM<0 ||
          testA<0 ||

drivers/vorbis/misc.h

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: miscellaneous prototypes
- last mod: $Id: misc.h 16227 2009-07-08 06:58:46Z xiphmont $
+ last mod: $Id: misc.h 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -21,6 +21,7 @@
 
 extern void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
 extern void _vorbis_block_ripcord(vorbis_block *vb);
+extern int ov_ilog(ogg_uint32_t v);
 
 #ifdef ANALYSIS
 extern int analysis_noisy;

drivers/vorbis/modes/residue_44p51.h

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: toplevel residue templates for 32/44.1/48kHz uncoupled
- last mod: $Id$
+ last mod: $Id: residue_44p51.h 19013 2013-11-12 04:04:50Z giles $
 
  ********************************************************************/
 

drivers/vorbis/modes/setup_44p51.h

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: toplevel settings for 44.1/48kHz 5.1 surround modes
- last mod: $Id$
+ last mod: $Id: setup_44p51.h 19013 2013-11-12 04:04:50Z giles $
 
  ********************************************************************/
 

drivers/vorbis/os.h

@@ -7,13 +7,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: #ifdef jail to whip a few platforms into the UNIX ideal.
- last mod: $Id: os.h 16227 2009-07-08 06:58:46Z xiphmont $
+ last mod: $Id: os.h 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -119,8 +119,9 @@ static inline int vorbis_ftoi(double f){  /* yes, double!  Otherwise,
 
 
 /* MSVC inline assembly. 32 bit only; inline ASM isn't implemented in the
- * 64 bit compiler */
-#if defined(_MSC_VER) && !defined(_WIN64) && !defined(_WIN32_WCE) && !defined(WINDOWSPHONE_ENABLED)
+ * 64 bit compiler and doesn't work on arm. */
+#if defined(_MSC_VER) && !defined(_WIN64) && \
+      !defined(_WIN32_WCE) && !defined(_M_ARM)
 #  define VORBIS_FPU_CONTROL
 
 typedef ogg_int16_t vorbis_fpu_control;
@@ -135,9 +136,11 @@ static __inline int vorbis_ftoi(double f){
 }
 
 static __inline void vorbis_fpu_setround(vorbis_fpu_control *fpu){
+  (void)fpu;
 }
 
 static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
+  (void)fpu;
 }
 
 #endif /* Special MSVC 32 bit implementation */
@@ -156,9 +159,11 @@ static __inline int vorbis_ftoi(double f){
 }
 
 static __inline void vorbis_fpu_setround(vorbis_fpu_control *fpu){
+  (void)fpu;
 }
 
 static __inline void vorbis_fpu_restore(vorbis_fpu_control fpu){
+  (void)fpu;
 }
 
 #endif /* Special MSVC x64 implementation */

drivers/vorbis/psy.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: psychoacoustics not including preecho
- last mod: $Id: psy.c 17569 2010-10-26 17:09:47Z xiphmont $
+ last mod: $Id: psy.c 18077 2011-09-02 02:49:00Z giles $
 
  ********************************************************************/
 
@@ -1020,7 +1020,9 @@ void _vp_couple_quantize_normalize(int blobno,
   int limit = g->coupling_pointlimit[p->vi->blockflag][blobno];
   float prepoint=stereo_threshholds[g->coupling_prepointamp[blobno]];
   float postpoint=stereo_threshholds[g->coupling_postpointamp[blobno]];
+#if 0
   float de=0.1*p->m_val; /* a blend of the AoTuV M2 and M3 code here and below */
+#endif
 
   /* mdct is our raw mdct output, floor not removed. */
   /* inout passes in the ifloor, passes back quantized result */
@@ -1154,27 +1156,28 @@ void _vp_couple_quantize_normalize(int blobno,
                 reM[j] += reA[j];
                 qeM[j] = fabs(reM[j]);
               }else{
+#if 0
                 /* AoTuV */
                 /** @ M2 **
                     The boost problem by the combination of noise normalization and point stereo is eased.
                     However, this is a temporary patch.
                     by Aoyumi @ 2004/04/18
                 */
-                /*float derate = (1.0 - de*((float)(j-limit+i) / (float)(n-limit))); */
-                /* elliptical 
+                float derate = (1.0 - de*((float)(j-limit+i) / (float)(n-limit)));
+                /* elliptical */
                 if(reM[j]+reA[j]<0){
                   reM[j] = - (qeM[j] = (fabs(reM[j])+fabs(reA[j]))*derate*derate);
                 }else{
                   reM[j] =   (qeM[j] = (fabs(reM[j])+fabs(reA[j]))*derate*derate);
-                  }*/
-
+                }
+#else
                 /* elliptical */
                 if(reM[j]+reA[j]<0){
                   reM[j] = - (qeM[j] = fabs(reM[j])+fabs(reA[j]));
                 }else{
                   reM[j] =   (qeM[j] = fabs(reM[j])+fabs(reA[j]));
                 }
-
+#endif
 
               }
               reA[j]=qeA[j]=0.f;

drivers/vorbis/res0.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: residue backend 0, 1 and 2 implementation
- last mod: $Id: res0.c 17556 2010-10-21 18:25:19Z tterribe $
+ last mod: $Id: res0.c 19441 2015-01-21 01:17:41Z xiphmont $
 
  ********************************************************************/
 
@@ -152,15 +152,6 @@ void res0_free_look(vorbis_look_residue *i){
   }
 }
 
-static int ilog(unsigned int v){
-  int ret=0;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
-}
-
 static int icount(unsigned int v){
   int ret=0;
   while(v){
@@ -186,7 +177,7 @@ void res0_pack(vorbis_info_residue *vr,oggpack_buffer *opb){
      bitmask of one indicates this partition class has bits to write
      this pass */
   for(j=0;j<info->partitions;j++){
-    if(ilog(info->secondstages[j])>3){
+    if(ov_ilog(info->secondstages[j])>3){
       /* yes, this is a minor hack due to not thinking ahead */
       oggpack_write(opb,info->secondstages[j],3);
       oggpack_write(opb,1,1);
@@ -284,7 +275,7 @@ vorbis_look_residue *res0_look(vorbis_dsp_state *vd,
   look->partbooks=_ogg_calloc(look->parts,sizeof(*look->partbooks));
 
   for(j=0;j<look->parts;j++){
-    int stages=ilog(info->secondstages[j]);
+    int stages=ov_ilog(info->secondstages[j]);
     if(stages){
       if(stages>maxstage)maxstage=stages;
       look->partbooks[j]=_ogg_calloc(stages,sizeof(*look->partbooks[j]));
@@ -390,8 +381,13 @@ static int local_book_besterror(codebook *book,int *a){
   return(index);
 }
 
+#ifdef TRAIN_RES
 static int _encodepart(oggpack_buffer *opb,int *vec, int n,
                        codebook *book,long *acc){
+#else
+static int _encodepart(oggpack_buffer *opb,int *vec, int n,
+                       codebook *book){
+#endif
   int i,bits=0;
   int dim=book->dim;
   int step=n/dim;
@@ -534,12 +530,18 @@ static long **_2class(vorbis_block *vb,vorbis_look_residue *vl,int **in,
 }
 
 static int _01forward(oggpack_buffer *opb,
-                      vorbis_block *vb,vorbis_look_residue *vl,
+                      vorbis_look_residue *vl,
                       int **in,int ch,
                       long **partword,
+#ifdef TRAIN_RES
                       int (*encode)(oggpack_buffer *,int *,int,
                                     codebook *,long *),
-                      int submap){
+                      int submap
+#else
+                      int (*encode)(oggpack_buffer *,int *,int,
+                                    codebook *)
+#endif
+){
   long i,j,k,s;
   vorbis_look_residue0 *look=(vorbis_look_residue0 *)vl;
   vorbis_info_residue0 *info=look->info;
@@ -609,9 +611,8 @@ static int _01forward(oggpack_buffer *opb,
             codebook *statebook=look->partbooks[partword[j][i]][s];
             if(statebook){
               int ret;
-              long *accumulator=NULL;
-
 #ifdef TRAIN_RES
+              long *accumulator=NULL;
               accumulator=look->training_data[s][partword[j][i]];
               {
                 int l;
@@ -623,10 +624,12 @@ static int _01forward(oggpack_buffer *opb,
                     look->training_max[s][partword[j][i]]=samples[l];
                 }
               }
-#endif
-
               ret=encode(opb,in[j]+offset,samples_per_partition,
                          statebook,accumulator);
+#else
+              ret=encode(opb,in[j]+offset,samples_per_partition,
+                         statebook);
+#endif
 
               look->postbits+=ret;
               resbits[partword[j][i]]+=ret;
@@ -637,19 +640,6 @@ static int _01forward(oggpack_buffer *opb,
     }
   }
 
-  /*{
-    long total=0;
-    long totalbits=0;
-    fprintf(stderr,"%d :: ",vb->mode);
-    for(k=0;k<possible_partitions;k++){
-    fprintf(stderr,"%ld/%1.2g, ",resvals[k],(float)resbits[k]/resvals[k]);
-    total+=resvals[k];
-    totalbits+=resbits[k];
-    }
-
-    fprintf(stderr,":: %ld:%1.2g\n",total,(double)totalbits/total);
-    }*/
-
   return(0);
 }
 
@@ -729,12 +719,18 @@ int res0_inverse(vorbis_block *vb,vorbis_look_residue *vl,
 int res1_forward(oggpack_buffer *opb,vorbis_block *vb,vorbis_look_residue *vl,
                  int **in,int *nonzero,int ch, long **partword, int submap){
   int i,used=0;
+  (void)vb;
   for(i=0;i<ch;i++)
     if(nonzero[i])
       in[used++]=in[i];
 
   if(used){
-    return _01forward(opb,vb,vl,in,used,partword,_encodepart,submap);
+#ifdef TRAIN_RES
+    return _01forward(opb,vl,in,used,partword,_encodepart,submap);
+#else
+    (void)submap;
+    return _01forward(opb,vl,in,used,partword,_encodepart);
+#endif
   }else{
     return(0);
   }
@@ -795,7 +791,12 @@ int res2_forward(oggpack_buffer *opb,
   }
 
   if(used){
-    return _01forward(opb,vb,vl,&work,1,partword,_encodepart,submap);
+#ifdef TRAIN_RES
+    return _01forward(opb,vl,&work,1,partword,_encodepart,submap);
+#else
+    (void)submap;
+    return _01forward(opb,vl,&work,1,partword,_encodepart);
+#endif
   }else{
     return(0);
   }

drivers/vorbis/sharedbook.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: basic shared codebook operations
- last mod: $Id: sharedbook.c 17030 2010-03-25 06:52:55Z xiphmont $
+ last mod: $Id: sharedbook.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -26,13 +26,11 @@
 #include "scales.h"
 
 /**** pack/unpack helpers ******************************************/
-int _ilog(unsigned int v){
-  int ret=0;
-  while(v){
-    ret++;
-    v>>=1;
-  }
-  return(ret);
+
+int ov_ilog(ogg_uint32_t v){
+  int ret;
+  for(ret=0;v;ret++)v>>=1;
+  return ret;
 }
 
 /* 32 bit float (not IEEE; nonnormalized mantissa +
@@ -70,7 +68,7 @@ float _float32_unpack(long val){
 /* given a list of word lengths, generate a list of codewords.  Works
    for length ordered or unordered, always assigns the lowest valued
    codewords first.  Extended to handle unused entries (length 0) */
-ogg_uint32_t *_make_words(long *l,long n,long sparsecount){
+ogg_uint32_t *_make_words(char *l,long n,long sparsecount){
   long i,j,count=0;
   ogg_uint32_t marker[33];
   ogg_uint32_t *r=_ogg_malloc((sparsecount?sparsecount:n)*sizeof(*r));
@@ -125,16 +123,15 @@ ogg_uint32_t *_make_words(long *l,long n,long sparsecount){
       if(sparsecount==0)count++;
   }
 
-  /* sanity check the huffman tree; an underpopulated tree must be
-     rejected. The only exception is the one-node pseudo-nil tree,
-     which appears to be underpopulated because the tree doesn't
-     really exist; there's only one possible 'codeword' or zero bits,
-     but the above tree-gen code doesn't mark that. */
-  if(sparsecount != 1){
+  /* any underpopulated tree must be rejected. */
+  /* Single-entry codebooks are a retconned extension to the spec.
+     They have a single codeword '0' of length 1 that results in an
+     underpopulated tree.  Shield that case from the underformed tree check. */
+  if(!(count==1 && marker[2]==2)){
     for(i=1;i<33;i++)
       if(marker[i] & (0xffffffffUL>>(32-i))){
-	_ogg_free(r);
-	return(NULL);
+        _ogg_free(r);
+        return(NULL);
       }
   }
 
@@ -313,9 +310,10 @@ static int sort32a(const void *a,const void *b){
 int vorbis_book_init_decode(codebook *c,const static_codebook *s){
   int i,j,n=0,tabn;
   int *sortindex;
+
   memset(c,0,sizeof(*c));
 
-  /* count actually used entries */
+  /* count actually used entries and find max length */
   for(i=0;i<s->entries;i++)
     if(s->lengthlist[i]>0)
       n++;
@@ -325,7 +323,6 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
   c->dim=s->dim;
 
   if(n>0){
-
     /* two different remappings go on here.
 
     First, we collapse the likely sparse codebook down only to
@@ -361,7 +358,6 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
       c->codelist[sortindex[i]]=codes[i];
     _ogg_free(codes);
 
-
     c->valuelist=_book_unquantize(s,n,sortindex);
     c->dec_index=_ogg_malloc(n*sizeof(*c->dec_index));
 
@@ -370,51 +366,62 @@ int vorbis_book_init_decode(codebook *c,const static_codebook *s){
         c->dec_index[sortindex[n++]]=i;
 
     c->dec_codelengths=_ogg_malloc(n*sizeof(*c->dec_codelengths));
+    c->dec_maxlength=0;
     for(n=0,i=0;i<s->entries;i++)
-      if(s->lengthlist[i]>0)
+      if(s->lengthlist[i]>0){
         c->dec_codelengths[sortindex[n++]]=s->lengthlist[i];
+        if(s->lengthlist[i]>c->dec_maxlength)
+          c->dec_maxlength=s->lengthlist[i];
+      }
 
-    c->dec_firsttablen=_ilog(c->used_entries)-4; /* this is magic */
-    if(c->dec_firsttablen<5)c->dec_firsttablen=5;
-    if(c->dec_firsttablen>8)c->dec_firsttablen=8;
-
-    tabn=1<<c->dec_firsttablen;
-    c->dec_firsttable=_ogg_calloc(tabn,sizeof(*c->dec_firsttable));
-    c->dec_maxlength=0;
+    if(n==1 && c->dec_maxlength==1){
+      /* special case the 'single entry codebook' with a single bit
+       fastpath table (that always returns entry 0 )in order to use
+       unmodified decode paths. */
+      c->dec_firsttablen=1;
+      c->dec_firsttable=_ogg_calloc(2,sizeof(*c->dec_firsttable));
+      c->dec_firsttable[0]=c->dec_firsttable[1]=1;
 
-    for(i=0;i<n;i++){
-      if(c->dec_maxlength<c->dec_codelengths[i])
-        c->dec_maxlength=c->dec_codelengths[i];
-      if(c->dec_codelengths[i]<=c->dec_firsttablen){
-        ogg_uint32_t orig=bitreverse(c->codelist[i]);
-        for(j=0;j<(1<<(c->dec_firsttablen-c->dec_codelengths[i]));j++)
-          c->dec_firsttable[orig|(j<<c->dec_codelengths[i])]=i+1;
+    }else{
+      c->dec_firsttablen=ov_ilog(c->used_entries)-4; /* this is magic */
+      if(c->dec_firsttablen<5)c->dec_firsttablen=5;
+      if(c->dec_firsttablen>8)c->dec_firsttablen=8;
+
+      tabn=1<<c->dec_firsttablen;
+      c->dec_firsttable=_ogg_calloc(tabn,sizeof(*c->dec_firsttable));
+
+      for(i=0;i<n;i++){
+        if(c->dec_codelengths[i]<=c->dec_firsttablen){
+          ogg_uint32_t orig=bitreverse(c->codelist[i]);
+          for(j=0;j<(1<<(c->dec_firsttablen-c->dec_codelengths[i]));j++)
+            c->dec_firsttable[orig|(j<<c->dec_codelengths[i])]=i+1;
+        }
       }
-    }
 
-    /* now fill in 'unused' entries in the firsttable with hi/lo search
-       hints for the non-direct-hits */
-    {
-      ogg_uint32_t mask=0xfffffffeUL<<(31-c->dec_firsttablen);
-      long lo=0,hi=0;
-
-      for(i=0;i<tabn;i++){
-        ogg_uint32_t word=i<<(32-c->dec_firsttablen);
-        if(c->dec_firsttable[bitreverse(word)]==0){
-          while((lo+1)<n && c->codelist[lo+1]<=word)lo++;
-          while(    hi<n && word>=(c->codelist[hi]&mask))hi++;
-
-          /* we only actually have 15 bits per hint to play with here.
-             In order to overflow gracefully (nothing breaks, efficiency
-             just drops), encode as the difference from the extremes. */
-          {
-            unsigned long loval=lo;
-            unsigned long hival=n-hi;
-
-            if(loval>0x7fff)loval=0x7fff;
-            if(hival>0x7fff)hival=0x7fff;
-            c->dec_firsttable[bitreverse(word)]=
-              0x80000000UL | (loval<<15) | hival;
+      /* now fill in 'unused' entries in the firsttable with hi/lo search
+         hints for the non-direct-hits */
+      {
+        ogg_uint32_t mask=0xfffffffeUL<<(31-c->dec_firsttablen);
+        long lo=0,hi=0;
+
+        for(i=0;i<tabn;i++){
+          ogg_uint32_t word=i<<(32-c->dec_firsttablen);
+          if(c->dec_firsttable[bitreverse(word)]==0){
+            while((lo+1)<n && c->codelist[lo+1]<=word)lo++;
+            while(    hi<n && word>=(c->codelist[hi]&mask))hi++;
+
+            /* we only actually have 15 bits per hint to play with here.
+               In order to overflow gracefully (nothing breaks, efficiency
+               just drops), encode as the difference from the extremes. */
+            {
+              unsigned long loval=lo;
+              unsigned long hival=n-hi;
+
+              if(loval>0x7fff)loval=0x7fff;
+              if(hival>0x7fff)hival=0x7fff;
+              c->dec_firsttable[bitreverse(word)]=
+                0x80000000UL | (loval<<15) | hival;
+            }
           }
         }
       }

drivers/vorbis/synthesis.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: single-block PCM synthesis
- last mod: $Id: synthesis.c 17474 2010-09-30 03:41:41Z gmaxwell $
+ last mod: $Id: synthesis.c 19441 2015-01-21 01:17:41Z xiphmont $
 
  ********************************************************************/
 
@@ -145,6 +145,11 @@ long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){
   oggpack_buffer       opb;
   int                  mode;
 
+  if(ci==NULL || ci->modes<=0){
+    /* codec setup not properly intialized */
+    return(OV_EFAULT);
+  }
+
   oggpack_readinit(&opb,op->packet,op->bytes);
 
   /* Check the packet type */
@@ -153,18 +158,9 @@ long vorbis_packet_blocksize(vorbis_info *vi,ogg_packet *op){
     return(OV_ENOTAUDIO);
   }
 
-  {
-    int modebits=0;
-    int v=ci->modes;
-    while(v>1){
-      modebits++;
-      v>>=1;
-    }
-
-    /* read our mode and pre/post windowsize */
-    mode=oggpack_read(&opb,modebits);
-  }
-  if(mode==-1)return(OV_EBADPACKET);
+  /* read our mode and pre/post windowsize */
+  mode=oggpack_read(&opb,ov_ilog(ci->modes-1));
+  if(mode==-1 || !ci->mode_param[mode])return(OV_EBADPACKET);
   return(ci->blocksizes[ci->mode_param[mode]->blockflag]);
 }
 

drivers/vorbis/tone.c

@@ -3,10 +3,6 @@
 #include <math.h>
 #include <string.h>
 
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
 void usage(){
   fprintf(stderr,"tone <frequency_Hz>,[<amplitude>] [<frequency_Hz>,[<amplitude>]...]\n");
   exit(1);

drivers/vorbis/vorbisenc.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: simple programmatic interface for encoder mode setup
- last mod: $Id: vorbisenc.c 17028 2010-03-25 05:22:15Z xiphmont $
+ last mod: $Id: vorbisenc.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -903,8 +903,12 @@ int vorbis_encode_setup_vbr(vorbis_info *vi,
                             long  channels,
                             long  rate,
                             float quality){
-  codec_setup_info *ci=vi->codec_setup;
-  highlevel_encode_setup *hi=&ci->hi;
+  codec_setup_info *ci;
+  highlevel_encode_setup *hi;
+  if(rate<=0) return OV_EINVAL;
+
+  ci=vi->codec_setup;
+  hi=&ci->hi;
 
   quality+=.0000001;
   if(quality>=1.)quality=.9999;
@@ -948,9 +952,14 @@ int vorbis_encode_setup_managed(vorbis_info *vi,
                                 long nominal_bitrate,
                                 long min_bitrate){
 
-  codec_setup_info *ci=vi->codec_setup;
-  highlevel_encode_setup *hi=&ci->hi;
-  double tnominal=nominal_bitrate;
+  codec_setup_info *ci;
+  highlevel_encode_setup *hi;
+  double tnominal;
+  if(rate<=0) return OV_EINVAL;
+
+  ci=vi->codec_setup;
+  hi=&ci->hi;
+  tnominal=nominal_bitrate;
 
   if(nominal_bitrate<=0.){
     if(max_bitrate>0.){

drivers/vorbis/vorbisfile.c

@@ -5,13 +5,13 @@
  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
  *                                                                  *
- * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009             *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
 
  function: stdio-based convenience library for opening/seeking/decoding
- last mod: $Id: vorbisfile.c 17573 2010-10-27 14:53:59Z xiphmont $
+ last mod: $Id: vorbisfile.c 19457 2015-03-03 00:15:29Z giles $
 
  ********************************************************************/
 
@@ -80,11 +80,14 @@ static long _get_data(OggVorbis_File *vf){
 /* save a tiny smidge of verbosity to make the code more readable */
 static int _seek_helper(OggVorbis_File *vf,ogg_int64_t offset){
   if(vf->datasource){
-    if(!(vf->callbacks.seek_func)||
-       (vf->callbacks.seek_func)(vf->datasource, offset, SEEK_SET) == -1)
-      return OV_EREAD;
-    vf->offset=offset;
-    ogg_sync_reset(&vf->oy);
+    /* only seek if the file position isn't already there */
+    if(vf->offset != offset){
+      if(!(vf->callbacks.seek_func)||
+         (vf->callbacks.seek_func)(vf->datasource, offset, SEEK_SET) == -1)
+        return OV_EREAD;
+      vf->offset=offset;
+      ogg_sync_reset(&vf->oy);
+    }
   }else{
     /* shouldn't happen unless someone writes a broken callback */
     return OV_EFAULT;
@@ -138,14 +141,12 @@ static ogg_int64_t _get_next_page(OggVorbis_File *vf,ogg_page *og,
   }
 }
 
-/* find the latest page beginning before the current stream cursor
-   position. Much dirtier than the above as Ogg doesn't have any
-   backward search linkage.  no 'readp' as it will certainly have to
-   read. */
+/* find the latest page beginning before the passed in position. Much
+   dirtier than the above as Ogg doesn't have any backward search
+   linkage.  no 'readp' as it will certainly have to read. */
 /* returns offset or OV_EREAD, OV_FAULT */
-static ogg_int64_t _get_prev_page(OggVorbis_File *vf,ogg_page *og){
-  ogg_int64_t begin=vf->offset;
-  ogg_int64_t end=begin;
+static ogg_int64_t _get_prev_page(OggVorbis_File *vf,ogg_int64_t begin,ogg_page *og){
+  ogg_int64_t end = begin;
   ogg_int64_t ret;
   ogg_int64_t offset=-1;
 
@@ -220,11 +221,10 @@ static int _lookup_page_serialno(ogg_page *og, long *serialno_list, int n){
    info of last page of the matching serial number instead of the very
    last page.  If no page of the specified serialno is seen, it will
    return the info of last page and alter *serialno.  */
-static ogg_int64_t _get_prev_page_serial(OggVorbis_File *vf,
+static ogg_int64_t _get_prev_page_serial(OggVorbis_File *vf, ogg_int64_t begin,
                                          long *serial_list, int serial_n,
                                          int *serialno, ogg_int64_t *granpos){
   ogg_page og;
-  ogg_int64_t begin=vf->offset;
   ogg_int64_t end=begin;
   ogg_int64_t ret;
 
@@ -438,9 +438,11 @@ static ogg_int64_t _initial_pcmoffset(OggVorbis_File *vf, vorbis_info *vi){
     while((result=ogg_stream_packetout(&vf->os,&op))){
       if(result>0){ /* ignore holes */
         long thisblock=vorbis_packet_blocksize(vi,&op);
-        if(lastblock!=-1)
-          accumulated+=(lastblock+thisblock)>>2;
-        lastblock=thisblock;
+        if(thisblock>=0){
+          if(lastblock!=-1)
+            accumulated+=(lastblock+thisblock)>>2;
+          lastblock=thisblock;
+        }
       }
     }
 
@@ -494,10 +496,10 @@ static int _bisect_forward_serialno(OggVorbis_File *vf,
        down to (or just started with) a single link.  Now we need to
        find the last vorbis page belonging to the first vorbis stream
        for this link. */
-
+    searched = end;
     while(endserial != serialno){
       endserial = serialno;
-      vf->offset=_get_prev_page_serial(vf,currentno_list,currentnos,&endserial,&endgran);
+      searched=_get_prev_page_serial(vf,searched,currentno_list,currentnos,&endserial,&endgran);
     }
 
     vf->links=m+1;
@@ -518,10 +520,15 @@ static int _bisect_forward_serialno(OggVorbis_File *vf,
 
   }else{
 
+    /* last page is not in the starting stream's serial number list,
+       so we have multiple links.  Find where the stream that begins
+       our bisection ends. */
+
     long *next_serialno_list=NULL;
     int next_serialnos=0;
     vorbis_info vi;
     vorbis_comment vc;
+    int testserial = serialno+1;
 
     /* the below guards against garbage seperating the last and
        first pages of two links. */
@@ -534,10 +541,8 @@ static int _bisect_forward_serialno(OggVorbis_File *vf,
         bisect=(searched+endsearched)/2;
       }
 
-      if(bisect != vf->offset){
-        ret=_seek_helper(vf,bisect);
-        if(ret)return(ret);
-      }
+      ret=_seek_helper(vf,bisect);
+      if(ret)return(ret);
 
       last=_get_next_page(vf,&og,-1);
       if(last==OV_EREAD)return(OV_EREAD);
@@ -550,28 +555,22 @@ static int _bisect_forward_serialno(OggVorbis_File *vf,
     }
 
     /* Bisection point found */
-
     /* for the time being, fetch end PCM offset the simple way */
-    {
-      int testserial = serialno+1;
-      vf->offset = next;
-      while(testserial != serialno){
-        testserial = serialno;
-        vf->offset=_get_prev_page_serial(vf,currentno_list,currentnos,&testserial,&searchgran);
-      }
+    searched = next;
+    while(testserial != serialno){
+      testserial = serialno;
+      searched = _get_prev_page_serial(vf,searched,currentno_list,currentnos,&testserial,&searchgran);
     }
 
-    if(vf->offset!=next){
-      ret=_seek_helper(vf,next);
-      if(ret)return(ret);
-    }
+    ret=_seek_helper(vf,next);
+    if(ret)return(ret);
 
     ret=_fetch_headers(vf,&vi,&vc,&next_serialno_list,&next_serialnos,NULL);
     if(ret)return(ret);
     serialno = vf->os.serialno;
     dataoffset = vf->offset;
 
-    /* this will consume a page, however the next bistection always
+    /* this will consume a page, however the next bisection always
        starts with a raw seek */
     pcmoffset = _initial_pcmoffset(vf,&vi);
 
@@ -638,11 +637,11 @@ static int _open_seekable2(OggVorbis_File *vf){
   /* Get the offset of the last page of the physical bitstream, or, if
      we're lucky the last vorbis page of this link as most OggVorbis
      files will contain a single logical bitstream */
-  end=_get_prev_page_serial(vf,vf->serialnos+2,vf->serialnos[1],&endserial,&endgran);
+  end=_get_prev_page_serial(vf,vf->end,vf->serialnos+2,vf->serialnos[1],&endserial,&endgran);
   if(end<0)return(end);
 
   /* now determine bitstream structure recursively */
-  if(_bisect_forward_serialno(vf,0,dataoffset,vf->offset,endgran,endserial,
+  if(_bisect_forward_serialno(vf,0,dataoffset,end,endgran,endserial,
                               vf->serialnos+2,vf->serialnos[1],0)<0)return(OV_EREAD);
 
   vf->offsets[0]=0;
@@ -1055,7 +1054,11 @@ int ov_halfrate_p(OggVorbis_File *vf){
 /* Only partially open the vorbis file; test for Vorbisness, and load
    the headers for the first chain.  Do not seek (although test for
    seekability).  Use ov_test_open to finish opening the file, else
-   ov_clear to close/free it. Same return codes as open. */
+   ov_clear to close/free it. Same return codes as open.
+
+   Note that vorbisfile does _not_ take ownership of the file if the
+   call fails; the calling applicaiton is responsible for closing the file
+   if this call returns an error. */
 
 int ov_test_callbacks(void *f,OggVorbis_File *vf,
     const char *initial,long ibytes,ov_callbacks callbacks)
@@ -1417,22 +1420,41 @@ int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos){
     if(pos>=total)break;
   }
 
-  /* search within the logical bitstream for the page with the highest
-     pcm_pos preceding (or equal to) pos.  There is a danger here;
-     missing pages or incorrect frame number information in the
-     bitstream could make our task impossible.  Account for that (it
-     would be an error condition) */
+  /* Search within the logical bitstream for the page with the highest
+     pcm_pos preceding pos.  If we're looking for a position on the
+     first page, bisection will halt without finding our position as
+     it's before the first explicit granulepos fencepost. That case is
+     handled separately below.
+
+     There is a danger here; missing pages or incorrect frame number
+     information in the bitstream could make our task impossible.
+     Account for that (it would be an error condition) */
+
+  /* new search algorithm originally by HB (Nicholas Vinen) */
 
-  /* new search algorithm by HB (Nicholas Vinen) */
   {
     ogg_int64_t end=vf->offsets[link+1];
-    ogg_int64_t begin=vf->offsets[link];
+    ogg_int64_t begin=vf->dataoffsets[link];
     ogg_int64_t begintime = vf->pcmlengths[link*2];
     ogg_int64_t endtime = vf->pcmlengths[link*2+1]+begintime;
     ogg_int64_t target=pos-total+begintime;
-    ogg_int64_t best=begin;
+    ogg_int64_t best=-1;
+    int         got_page=0;
 
     ogg_page og;
+
+    /* if we have only one page, there will be no bisection.  Grab the page here */
+    if(begin==end){
+      result=_seek_helper(vf,begin);
+      if(result) goto seek_error;
+
+      result=_get_next_page(vf,&og,1);
+      if(result<0) goto seek_error;
+
+      got_page=1;
+    }
+
+    /* bisection loop */
     while(begin<end){
       ogg_int64_t bisect;
 
@@ -1447,51 +1469,80 @@ int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos){
           bisect=begin;
       }
 
-      if(bisect!=vf->offset){
-        result=_seek_helper(vf,bisect);
-        if(result) goto seek_error;
-      }
+      result=_seek_helper(vf,bisect);
+      if(result) goto seek_error;
 
+      /* read loop within the bisection loop */
       while(begin<end){
         result=_get_next_page(vf,&og,end-vf->offset);
         if(result==OV_EREAD) goto seek_error;
         if(result<0){
+          /* there is no next page! */
           if(bisect<=begin+1)
-            end=begin; /* found it */
+              /* No bisection left to perform.  We've either found the
+                 best candidate already or failed. Exit loop. */
+            end=begin;
           else{
+            /* We tried to load a fraction of the last page; back up a
+               bit and try to get the whole last page */
             if(bisect==0) goto seek_error;
             bisect-=CHUNKSIZE;
+
+            /* don't repeat/loop on a read we've already performed */
             if(bisect<=begin)bisect=begin+1;
+
+            /* seek and cntinue bisection */
             result=_seek_helper(vf,bisect);
             if(result) goto seek_error;
           }
         }else{
           ogg_int64_t granulepos;
+          got_page=1;
 
+          /* got a page. analyze it */
+          /* only consider pages from primary vorbis stream */
           if(ogg_page_serialno(&og)!=vf->serialnos[link])
             continue;
 
+          /* only consider pages with the granulepos set */
           granulepos=ogg_page_granulepos(&og);
           if(granulepos==-1)continue;
 
           if(granulepos<target){
+            /* this page is a successful candidate! Set state */
+
             best=result;  /* raw offset of packet with granulepos */
             begin=vf->offset; /* raw offset of next page */
             begintime=granulepos;
 
+            /* if we're before our target but within a short distance,
+               don't bisect; read forward */
             if(target-begintime>44100)break;
-            bisect=begin; /* *not* begin + 1 */
+
+            bisect=begin; /* *not* begin + 1 as above */
           }else{
-            if(bisect<=begin+1)
-              end=begin;  /* found it */
-            else{
-              if(end==vf->offset){ /* we're pretty close - we'd be stuck in */
+
+            /* This is one of our pages, but the granpos is
+               post-target; it is not a bisection return
+               candidate. (The only way we'd use it is if it's the
+               first page in the stream; we handle that case later
+               outside the bisection) */
+            if(bisect<=begin+1){
+              /* No bisection left to perform.  We've either found the
+                 best candidate already or failed. Exit loop. */
+              end=begin;
+            }else{
+              if(end==vf->offset){
+                /* bisection read to the end; use the known page
+                   boundary (result) to update bisection, back up a
+                   little bit, and try again */
                 end=result;
-                bisect-=CHUNKSIZE; /* an endless loop otherwise. */
+                bisect-=CHUNKSIZE;
                 if(bisect<=begin)bisect=begin+1;
                 result=_seek_helper(vf,bisect);
                 if(result) goto seek_error;
               }else{
+                /* Normal bisection */
                 end=bisect;
                 endtime=granulepos;
                 break;
@@ -1502,9 +1553,46 @@ int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos){
       }
     }
 
-    /* found our page. seek to it, update pcm offset. Easier case than
-       raw_seek, don't keep packets preceding granulepos. */
-    {
+    /* Out of bisection: did it 'fail?' */
+    if(best == -1){
+
+      /* Check the 'looking for data in first page' special case;
+         bisection would 'fail' because our search target was before the
+         first PCM granule position fencepost. */
+
+      if(got_page &&
+         begin == vf->dataoffsets[link] &&
+         ogg_page_serialno(&og)==vf->serialnos[link]){
+
+        /* Yes, this is the beginning-of-stream case. We already have
+           our page, right at the beginning of PCM data.  Set state
+           and return. */
+
+        vf->pcm_offset=total;
+
+        if(link!=vf->current_link){
+          /* Different link; dump entire decode machine */
+          _decode_clear(vf);
+
+          vf->current_link=link;
+          vf->current_serialno=vf->serialnos[link];
+          vf->ready_state=STREAMSET;
+
+        }else{
+          vorbis_synthesis_restart(&vf->vd);
+        }
+
+        ogg_stream_reset_serialno(&vf->os,vf->current_serialno);
+        ogg_stream_pagein(&vf->os,&og);
+
+      }else
+        goto seek_error;
+
+    }else{
+
+      /* Bisection found our page. seek to it, update pcm offset. Easier case than
+         raw_seek, don't keep packets preceding granulepos. */
+
       ogg_page og;
       ogg_packet op;
 
@@ -1534,23 +1622,23 @@ int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos){
       while(1){
         result=ogg_stream_packetpeek(&vf->os,&op);
         if(result==0){
-          /* !!! the packet finishing this page originated on a
-             preceding page. Keep fetching previous pages until we
-             get one with a granulepos or without the 'continued' flag
-             set.  Then just use raw_seek for simplicity. */
-
-          result=_seek_helper(vf,best);
-          if(result<0) goto seek_error;
-
-          while(1){
-            result=_get_prev_page(vf,&og);
+          /* No packet returned; we exited the bisection with 'best'
+             pointing to a page with a granule position, so the packet
+             finishing this page ('best') originated on a preceding
+             page. Keep fetching previous pages until we get one with
+             a granulepos or without the 'continued' flag set.  Then
+             just use raw_seek for simplicity. */
+          /* Do not rewind past the beginning of link data; if we do,
+             it's either a bug or a broken stream */
+          result=best;
+          while(result>vf->dataoffsets[link]){
+            result=_get_prev_page(vf,result,&og);
             if(result<0) goto seek_error;
             if(ogg_page_serialno(&og)==vf->current_serialno &&
                (ogg_page_granulepos(&og)>-1 ||
                 !ogg_page_continued(&og))){
               return ov_raw_seek(vf,result);
             }
-            vf->offset=result;
           }
         }
         if(result<0){
@@ -2054,14 +2142,14 @@ long ov_read_float(OggVorbis_File *vf,float ***pcm_channels,int length,
   }
 }
 
-extern float *vorbis_window(vorbis_dsp_state *v,int W);
+extern const float *vorbis_window(vorbis_dsp_state *v,int W);
 
 static void _ov_splice(float **pcm,float **lappcm,
                        int n1, int n2,
                        int ch1, int ch2,
-                       float *w1, float *w2){
+                       const float *w1, const float *w2){
   int i,j;
-  float *w=w1;
+  const float *w=w1;
   int n=n1;
 
   if(n1>n2){
@@ -2169,7 +2257,7 @@ int ov_crosslap(OggVorbis_File *vf1, OggVorbis_File *vf2){
   vorbis_info *vi1,*vi2;
   float **lappcm;
   float **pcm;
-  float *w1,*w2;
+  const float *w1,*w2;
   int n1,n2,i,ret,hs1,hs2;
 
   if(vf1==vf2)return(0); /* degenerate case */
@@ -2223,7 +2311,7 @@ static int _ov_64_seek_lap(OggVorbis_File *vf,ogg_int64_t pos,
   vorbis_info *vi;
   float **lappcm;
   float **pcm;
-  float *w1,*w2;
+  const float *w1,*w2;
   int n1,n2,ch1,ch2,hs;
   int i,ret;
 
@@ -2284,7 +2372,7 @@ static int _ov_d_seek_lap(OggVorbis_File *vf,double pos,
   vorbis_info *vi;
   float **lappcm;
   float **pcm;
-  float *w1,*w2;
+  const float *w1,*w2;
   int n1,n2,ch1,ch2,hs;
   int i,ret;
 

drivers/vorbis/window.c

@@ -11,7 +11,7 @@
  ********************************************************************
 
  function: window functions
- last mod: $Id: window.c 16227 2009-07-08 06:58:46Z xiphmont $
+ last mod: $Id: window.c 19028 2013-12-02 23:23:39Z tterribe $
 
  ********************************************************************/
 
@@ -19,6 +19,7 @@
 #include <math.h>
 #include "os.h"
 #include "misc.h"
+#include "window.h"
 
 static const float vwin64[32] = {
   0.0009460463F, 0.0085006468F, 0.0235352254F, 0.0458950567F,

drivers/vorbis/window.h

@@ -11,14 +11,14 @@
  ********************************************************************
 
  function: window functions
- last mod: $Id: window.h 13293 2007-07-24 00:09:47Z xiphmont $
+ last mod: $Id: window.h 19028 2013-12-02 23:23:39Z tterribe $
 
  ********************************************************************/
 
 #ifndef _V_WINDOW_
 #define _V_WINDOW_
 
-extern float *_vorbis_window_get(int n);
+extern const float *_vorbis_window_get(int n);
 extern void _vorbis_apply_window(float *d,int *winno,long *blocksizes,
                           int lW,int W,int nW);