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source: downloads/libvorbis-1.2.0/vq/make_floor_books.pl @ 29

Last change on this file since 29 was 16, checked in by landauf, 17 years ago

added libvorbis

  • Property svn:executable set to *
File size: 2.5 KB
Line 
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
13die "Could not open $ARGV[0]: $!" unless open (F,$ARGV[0]);
14
15$goflag=0;
16while($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";
102print ">>> $command\n";
103die "Couldn't remove temp files.\n\tcommand:$command\n" 
104    if syst($command);
105
106sub syst{
107    system(@_)/256;
108}
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