release/src/router/libvorbis/vq/make_floor_books.pl

   1 #!/usr/bin/perl
   2
   3 # quick, very dirty little script so that we can put all the
   4 # information for building a floor book set in one spec file.
   5
   6 #eg:
   7
   8 # >floor_44
   9 # =44c0_s 44c1_s 44c2_s
  10 # build line_128x4_class0 0-256
  11 # build line_128x4_0sub0  0-4
  12
  13 die "Could not open $ARGV[0]: $!" unless open (F,$ARGV[0]);
  14
  15 $goflag=0;
  16 while($line=<F>){
  17
  18     print "#### $line";
  19     if($line=~m/^GO/){
  20         $goflag=1;
  21         next;
  22     }
  23
  24     if($goflag==0){
  25         if($line=~m/\S+/ && !($line=~m/^\#/) ){
  26             my $command=$line;
  27             print ">>> $command";
  28             die "Couldn't shell command.\n\tcommand:$command\n"
  29                 if syst($command);
  30         }
  31         next;
  32     }
  33
  34     # >floor_44
  35     # this sets the output bookset file name
  36     if($line=~m/^>(\S+)\s+(\S*)/){
  37         # set the output name
  38         $globalname=$1;
  39
  40         $command="rm -f $globalname.vqh";
  41         die "Couldn't remove file.\n\tcommand:$command\n"
  42             if syst($command);
  43
  44         next;
  45     }
  46
  47     #=path1 path2 path3
  48     #set the search path for input files; each build line will look
  49     #for input files in all of the directories in the search path and
  50     #append them for huffbuild input
  51     if($line=~m/^=(.*)/){
  52         # set the output name
  53         @paths=split(' ',$1);
  54         next;
  55     }
  56
  57     # build book.vqd 0-3 [noguard]
  58     if($line=~m/^build (.*)/){
  59         # build a huffman book (no mapping)
  60         my($datafile,$range,$guard)=split(' ',$1);
  61
  62         $command="rm -f $datafile.tmp";
  63         print "\n\n>>> $command\n";
  64         die "Couldn't remove temp file.\n\tcommand:$command\n"
  65             if syst($command);
  66
  67         # first find all the inputs we want; they'll need to be collected into a single input file
  68         foreach $dir (@paths){
  69             if (-e "$dir/$datafile.vqd"){
  70                 $command="cat $dir/$datafile.vqd >> $datafile.tmp";
  71                 print ">>> $command\n";
  72                 die "Couldn't append training data.\n\tcommand:$command\n"
  73                     if syst($command);
  74             }
  75         }
  76
  77         my $command="huffbuild $datafile.tmp $range $guard";
  78         print ">>> $command\n";
  79         die "Couldn't build huffbook.\n\tcommand:$command\n"
  80             if syst($command);
  81
  82         $command="cat $datafile.vqh >> $globalname.vqh";
  83         print ">>> $command\n";
  84         die "Couldn't append to output book.\n\tcommand:$command\n"
  85             if syst($command);
  86
  87         $command="rm $datafile.vqh";
  88         print ">>> $command\n";
  89         die "Couldn't remove temporary output file.\n\tcommand:$command\n"
  90             if syst($command);
  91
  92         $command="rm -f $datafile.tmp";
  93         print ">>> $command\n";
  94         die "Couldn't remove temporary output file.\n\tcommand:$command\n"
  95             if syst($command);
  96         next;
  97     }
  98
  99 }
 100
 101 $command="rm -f temp$$.vqd";
 102 print ">>> $command\n";
 103 die "Couldn't remove temp files.\n\tcommand:$command\n"
 104     if syst($command);
 105
 106 sub syst{
 107     system(@_)/256;
 108 }