tools/resample_session.pl

   1 #!/usr/bin/env perl
   2 # Ardour session resampler, version 0.1
   3 # (c)Sampo Savolainen 2005-2007
   4 #
   5 # Licensed under the GPL
   6 #
   7 # Copies the session to another directory and changes it's sampling rate in all respects.
   8 # The frames in .ardour and .automation files are converted according to the conversion ration.
   9 # The peakfiles and dead_sounds aren't copied. Only "identified" files are copied, instant.xml's
  10 # or .bak's aren't copied either.
  11
  12 use FindBin '$Bin';
  13 use lib "$Bin";
  14 use XML::Parser::PerlSAX;
  15 use XML::Handler::XMLWriter;
  16 use IO::Handle;
  17
  18 use File::Basename;
  19
  20 use ARDOUR::SessionSRHandler;
  21 # Let's hope this is never needed
  22 #use ARDOUR::AutomationSRConverter;
  23
  24
  25 if ( ! -f "/usr/bin/sndfile-resample" &&
  26      ! -f "/usr/local/bin/sndfile-resample") {
  27         print "You don't have sndfile-resample installed. This script will not work without it, please install it and try again\n";
  28         exit;
  29 }
  30
  31 my ($sourceDirectory, $destDirectory, $sourceSR, $destSR) = @ARGV;
  32
  33 if ((@ARGV+0) ne 4 ||
  34     ($sourceSR+0) eq 0 ||
  35         ($destSR+0)   eq 0) {
  36         print "usage: ardour_sr.pl [ardour session directory] [destination directory] [original samplerate] [new samplerate]\n";
  37         exit;
  38 }
  39
  40 if ( ! -d $sourceDirectory) {
  41         print $sourceDirectory.": directory does not exist!\n";
  42         exit;
  43 }
  44
  45 if ( -d $destDirectory) {
  46         print $destDirectory.": directory exists!\n";
  47         exit;
  48 }
  49
  50 print "Checking source and destination directories\n";
  51
  52 my @sounds;
  53 my @dead_sounds;
  54 my @dot_ardour;
  55 my @automation;
  56
  57
  58 my $version_099x = 0;
  59
  60 # Read the names of all audio files in /sounds/
  61 if ( -d $sourceDirectory."/sounds/") {
  62         $version_099x = 1;
  63
  64         opendir(SOUNDS,$sourceDirectory."/sounds/") || die ($sourceDirectory.": not a valid session, no sounds/ directory");
  65         while ( my $file=readdir(SOUNDS) ) {
  66                 if ( -f $sourceDirectory."/sounds/".$file ) {
  67                         push(@sounds,$file);
  68                 }
  69         }
  70
  71 } else {
  72         my $dirname = $sourceDirectory."/interchange/".basename($sourceDirectory)."/audiofiles/";
  73         opendir(SOUNDS,$dirname) || die ($sourceDirectory.": not a valid session, no sounds/ directory");
  74         while ( my $file=readdir(SOUNDS) ) {
  75                 if ( -f $dirname.$file ) {
  76                         push(@sounds,$file);
  77                 }
  78         }
  79
  80 }
  81 close(SOUNDS);
  82
  83 # Read the names of all audio files in /dead_sounds/
  84 opendir(DEAD_SOUNDS,$sourceDirectory."/dead_sounds/") || die ($sourceDirectory.": not a valid session, no dead_sounds/ directory");
  85 while ( my $file=readdir(DEAD_SOUNDS) ) {
  86         if ( -f $sourceDirectory."/dead_sounds/".$file ) {
  87                 push(@dead_sounds,$file);
  88         }
  89 }
  90 close(DEAD_SOUNDS);
  91
  92 # Read the names of all .ardour files in /
  93 opendir(DOT_ARDOUR,$sourceDirectory) || die ($sourceDirectory.": could not open!");
  94 while ( my $file=readdir(DOT_ARDOUR) ) {
  95         if ( -f $sourceDirectory."/".$file &&
  96              index($file,".ardour") eq (length($file)-7)) {
  97                 push(@dot_ardour,$file);
  98         }
  99 }
 100 close(DOT_ARDOUR);
 101
 102 # Read the names of all automation files in /automation/
 103 opendir(AUTOMATION,$sourceDirectory."/automation/") || die ($sourceDirectory."/automation: could not open!");
 104 while ( my $file=readdir(AUTOMATION) ) {
 105         if ( -f $sourceDirectory."/automation/".$file &&
 106              index($file,".automation") eq (length($file)-11)) {
 107                 push(@automation,$file);
 108         }
 109 }
 110 close(AUTOMATION);
 111
 112 # Check for /peaks/
 113 if ( ! -d $sourceDirectory."/peaks" ) {
 114         print $sourceDirectory.": not a valid session, no peaks/ directory\n";
 115         exit;
 116 }
 117
 118 ##########################################
 119 # Checks are done, let's go!
 120
 121 print "Converting session\n";
 122 mkdir $destDirectory;
 123
 124
 125 # Run all .ardour files through the SAX parser and write the results in the destination
 126 # directory.
 127
 128 foreach my $xml (@dot_ardour) {
 129         print "Doing samplerate conversion to ".$xml."...";
 130         open(OUTFILE,">".$destDirectory."/".$xml);
 131         my $output = new IO::Handle;
 132         $output->fdopen(fileno(OUTFILE),"w");
 133
 134         my $handler = ARDOUR::SessionSRHandler->new($sourceSR,$destSR,$output);
 135
 136         my $parser = XML::Parser::PerlSAX->new( Handler => $handler );
 137
 138     $parser->parse(Source => { SystemId => $sourceDirectory."/".$xml });
 139
 140         $output->close();
 141         close(OUTFILE);
 142         print " done\n";
 143 }
 144
 145 # This code is needed for 0.99.x sessions, thus the code is still here.
 146 #
 147 #mkdir $destDirectory."/automation";
 148 #
 149 #foreach my $file (@automation) {
 150 #       print "Converting automation file ".$file."...";
 151 #       open(INFILE,$sourceDirectory."/automation/".$file) || die "could not open source automation file $file!";
 152 #       open(OUTFILE,">".$destDirectory."/automation/".$file) || die "could not open destination automation file $file!";
 153 #       my $input=new IO::Handle;
 154 #       my $output=new IO::Handle;
 155 #
 156 #       $input->fdopen(fileno(INFILE),"r");
 157 #       $output->fdopen(fileno(OUTFILE),"w");
 158 #
 159 #       my $converter = ARDOUR::AutomationSRConverter->new($input,$output,$sourceSR,$destSR);
 160 #       $converter->convert;
 161 #
 162 #       $input->close;
 163 #       $output->close;
 164 #       close(INFILE);
 165 #       close(OUTFILE);
 166 #       print " done\n";
 167 #}
 168
 169
 170 if ($version_099x eq 1) {
 171         mkdir $destDirectory."/sounds";
 172         foreach my $sound (@sounds) {
 173                 my @params=("-to", $destSR,
 174                             "-c",  "0",
 175                             $sourceDirectory."/sounds/".$sound,
 176                             $destDirectory."/sounds/".$sound);
 177                 system("sndfile-resample",@params);
 178         }
 179 } else {
 180         my $srcSndDir = $sourceDirectory."/interchange/".basename($sourceDirectory)."/audiofiles/";
 181
 182         my $dstSndDir = $destDirectory."/interchange/";
 183         mkdir $dstSndDir;
 184
 185         $dstSndDir .= basename($sourceDirectory)."/";
 186         mkdir $dstSndDir;
 187
 188         $dstSndDir .= "audiofiles/";
 189         mkdir $dstSndDir;
 190
 191         foreach my $sound (@sounds) {
 192                 my @params=("-to", $destSR,
 193                             "-c",  "0",
 194                             $srcSndDir."/".$sound,
 195                             $dstSndDir."/".$sound);
 196                 system("sndfile-resample",@params);
 197         }
 198 }
 199
 200 mkdir $destDirectory."/dead_sounds";
 201 mkdir $destDirectory."/peaks";
 202
 203