X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Fres0.c;h=837f5fdc4512331c834c4cf01f21fd4c3169feca;hb=20104ce7e73d9fc0467e0b16f1d0b614836a4f56;hp=e550768e1ae66be9b60fba27b078e1f3acb9887d;hpb=3c059fb9731de843d2172d526b4da8396cb9b26f;p=platform%2Fupstream%2Flibvorbis.git

diff --git a/lib/res0.c b/lib/res0.c
index e550768..837f5fd 100644
--- a/lib/res0.c
+++ b/lib/res0.c
@@ -5,7 +5,7 @@
  * 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 1994-2010             *
  * by the Xiph.Org Foundation http://www.xiph.org/                  *
  *                                                                  *
  ********************************************************************
@@ -31,6 +31,9 @@
 #include "misc.h"
 #include "os.h"
 
+//#define TRAIN_RES 1
+//#define TRAIN_RESAUX 1
+
 #if defined(TRAIN_RES) || defined (TRAIN_RESAUX)
 #include <stdio.h>
 #endif
@@ -58,6 +61,7 @@ typedef struct {
   float      training_min[8][64];
   float     tmin;
   float     tmax;
+  int       submap;
 #endif
 
 } vorbis_look_residue0;
@@ -88,7 +92,7 @@ void res0_free_look(vorbis_look_residue *i){
             codebook *statebook=look->partbooks[j][k];
 
             /* long and short into the same bucket by current convention */
-            sprintf(buffer,"res_part%d_pass%d.vqd",j,k);
+            sprintf(buffer,"res_sub%d_part%d_pass%d.vqd",look->submap,j,k);
             of=fopen(buffer,"a");
 
             for(l=0;l<statebook->entries;l++)
@@ -148,15 +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){
@@ -182,7 +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);
@@ -246,6 +241,7 @@ vorbis_info_residue *res0_unpack(vorbis_info *vi,oggpack_buffer *opb){
     int entries = ci->book_param[info->groupbook]->entries;
     int dim = ci->book_param[info->groupbook]->dim;
     int partvals = 1;
+    if (dim<1) goto errout;
     while(dim>0){
       partvals *= info->partitions;
       if(partvals > entries) goto errout;
@@ -279,7 +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]));
@@ -358,7 +354,7 @@ static int local_book_besterror(codebook *book,int *a){
       if(c->lengthlist[i]>0){
         int this=0;
         for(j=0;j<dim;j++){
-          float val=(e[j]-a[j]);
+          int val=(e[j]-a[j]);
           this+=val*val;
         }
         if(best==-1 || this<best){
@@ -385,8 +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;
@@ -492,17 +493,17 @@ static long **_2class(vorbis_block *vb,vorbis_look_residue *vl,int **in,
   char buffer[80];
 #endif
 
-  partword[0]=_vorbis_block_alloc(vb,n*ch/samples_per_partition*sizeof(*partword[0]));
-  memset(partword[0],0,n*ch/samples_per_partition*sizeof(*partword[0]));
+  partword[0]=_vorbis_block_alloc(vb,partvals*sizeof(*partword[0]));
+  memset(partword[0],0,partvals*sizeof(*partword[0]));
 
   for(i=0,l=info->begin/ch;i<partvals;i++){
-    int magmax=0.f;
-    int angmax=0.f;
+    int magmax=0;
+    int angmax=0;
     for(j=0;j<samples_per_partition;j+=ch){
       if(abs(in[0][l])>magmax)magmax=abs(in[0][l]);
       for(k=1;k<ch;k++)
         if(abs(in[k][l])>angmax)angmax=abs(in[k][l]);
-        l++;
+      l++;
     }
 
     for(j=0;j<possible_partitions-1;j++)
@@ -529,15 +530,26 @@ 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 *)){
+                                    codebook *,long *),
+                      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;
 
+#ifdef TRAIN_RES
+  look->submap=submap;
+#endif
+
   /* move all this setup out later */
   int samples_per_partition=info->grouping;
   int possible_partitions=info->partitions;
@@ -599,13 +611,12 @@ 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;
-                float *samples=in[j]+offset;
+                int *samples=in[j]+offset;
                 for(l=0;l<samples_per_partition;l++){
                   if(samples[l]<look->training_min[s][partword[j][i]])
                     look->training_min[s][partword[j][i]]=samples[l];
@@ -613,10 +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;
@@ -627,19 +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);
 }
 
@@ -717,14 +717,20 @@ 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 i,j,used=0,n=vb->pcmend/2;
+                 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);
+#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);
   }
@@ -770,7 +776,7 @@ long **res2_class(vorbis_block *vb,vorbis_look_residue *vl,
 
 int res2_forward(oggpack_buffer *opb,
                  vorbis_block *vb,vorbis_look_residue *vl,
-                 int **in,int *nonzero,int ch, long **partword){
+                 int **in,int *nonzero,int ch, long **partword,int submap){
   long i,j,k,n=vb->pcmend/2,used=0;
 
   /* don't duplicate the code; use a working vector hack for now and
@@ -785,7 +791,12 @@ int res2_forward(oggpack_buffer *opb,
   }
 
   if(used){
-    return _01forward(opb,vb,vl,&work,1,partword,_encodepart);
+#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);
   }
@@ -819,7 +830,7 @@ int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl,
         if(s==0){
           /* fetch the partition word */
           int temp=vorbis_book_decode(look->phrasebook,&vb->opb);
-          if(temp==-1 || temp>info->partvals)goto eopbreak;
+          if(temp==-1 || temp>=info->partvals)goto eopbreak;
           partword[l]=look->decodemap[temp];
           if(partword[l]==NULL)goto errout;
         }