ardour/tools/resample_session.pl

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#!/usr/bin/env perl
# Ardour session resampler, version 0.1
# (c)Sampo Savolainen 2005-2007
#
# Licensed under the GPL
#
# Copies the session to another directory and changes it's sampling rate in all respects.
# The frames in .ardour and .automation files are converted according to the conversion ration.
# The peakfiles and dead_sounds aren't copied. Only "identified" files are copied, instant.xml's
# or .bak's aren't copied either.
use FindBin '$Bin';
use lib "$Bin";
use XML::Parser::PerlSAX;
use XML::Handler::XMLWriter;
use IO::Handle;
use File::Basename;
use ARDOUR::SessionSRHandler;
# Let's hope this is never needed
#use ARDOUR::AutomationSRConverter;
if ( ! -f "/usr/bin/sndfile-resample" &&
! -f "/usr/local/bin/sndfile-resample") {
print "You don't have sndfile-resample installed. This script will not work without it, please install it and try again\n";
exit;
}
my ($sourceDirectory, $destDirectory, $sourceSR, $destSR) = @ARGV;
if ((@ARGV+0) ne 4 ||
($sourceSR+0) eq 0 ||
($destSR+0) eq 0) {
print "usage: ardour_sr.pl [ardour session directory] [destination directory] [original samplerate] [new samplerate]\n";
exit;
}
if ( ! -d $sourceDirectory) {
print $sourceDirectory.": directory does not exist!\n";
exit;
}
if ( -d $destDirectory) {
print $destDirectory.": directory exists!\n";
exit;
}
print "Checking source and destination directories\n";
my @sounds;
my @dead_sounds;
my @dot_ardour;
my @automation;
my $version_099x = 0;
# Read the names of all audio files in /sounds/
if ( -d $sourceDirectory."/sounds/") {
$version_099x = 1;
opendir(SOUNDS,$sourceDirectory."/sounds/") || die ($sourceDirectory.": not a valid session, no sounds/ directory");
while ( my $file=readdir(SOUNDS) ) {
if ( -f $sourceDirectory."/sounds/".$file ) {
push(@sounds,$file);
}
}
} else {
my $dirname = $sourceDirectory."/interchange/".basename($sourceDirectory)."/audiofiles/";
opendir(SOUNDS,$dirname) || die ($sourceDirectory.": not a valid session, no sounds/ directory");
while ( my $file=readdir(SOUNDS) ) {
if ( -f $dirname.$file ) {
push(@sounds,$file);
}
}
}
close(SOUNDS);
# Read the names of all audio files in /dead_sounds/
opendir(DEAD_SOUNDS,$sourceDirectory."/dead_sounds/") || die ($sourceDirectory.": not a valid session, no dead_sounds/ directory");
while ( my $file=readdir(DEAD_SOUNDS) ) {
if ( -f $sourceDirectory."/dead_sounds/".$file ) {
push(@dead_sounds,$file);
}
}
close(DEAD_SOUNDS);
# Read the names of all .ardour files in /
opendir(DOT_ARDOUR,$sourceDirectory) || die ($sourceDirectory.": could not open!");
while ( my $file=readdir(DOT_ARDOUR) ) {
if ( -f $sourceDirectory."/".$file &&
index($file,".ardour") eq (length($file)-7)) {
push(@dot_ardour,$file);
}
}
close(DOT_ARDOUR);
if ( -d $sourceDirectory."/automation/") {
# Read the names of all automation files in /automation/
opendir(AUTOMATION,$sourceDirectory."/automation/") || die ($sourceDirectory."/automation: could not open!");
while ( my $file=readdir(AUTOMATION) ) {
if ( -f $sourceDirectory."/automation/".$file &&
index($file,".automation") eq (length($file)-11)) {
push(@automation,$file);
}
}
close(AUTOMATION);
}
# Check for /peaks/
if ( ! -d $sourceDirectory."/peaks" ) {
print $sourceDirectory.": not a valid session, no peaks/ directory\n";
exit;
}
##########################################
# Checks are done, let's go!
print "Converting session\n";
mkdir $destDirectory;
# Run all .ardour files through the SAX parser and write the results in the destination
# directory.
foreach my $xml (@dot_ardour) {
print "Doing samplerate conversion to ".$xml."...";
open(OUTFILE,">".$destDirectory."/".$xml);
my $output = new IO::Handle;
$output->fdopen(fileno(OUTFILE),"w");
my $handler = ARDOUR::SessionSRHandler->new($sourceSR,$destSR,$output);
my $parser = XML::Parser::PerlSAX->new( Handler => $handler );
$parser->parse(Source => { SystemId => $sourceDirectory."/".$xml });
$output->close();
close(OUTFILE);
print " done\n";
}
# This code is needed for 0.99.x sessions, thus the code is still here.
#
#mkdir $destDirectory."/automation";
#
#foreach my $file (@automation) {
# print "Converting automation file ".$file."...";
# open(INFILE,$sourceDirectory."/automation/".$file) || die "could not open source automation file $file!";
# open(OUTFILE,">".$destDirectory."/automation/".$file) || die "could not open destination automation file $file!";
# my $input=new IO::Handle;
# my $output=new IO::Handle;
#
# $input->fdopen(fileno(INFILE),"r");
# $output->fdopen(fileno(OUTFILE),"w");
#
# my $converter = ARDOUR::AutomationSRConverter->new($input,$output,$sourceSR,$destSR);
# $converter->convert;
#
# $input->close;
# $output->close;
# close(INFILE);
# close(OUTFILE);
# print " done\n";
#}
if ($version_099x eq 1) {
mkdir $destDirectory."/sounds";
foreach my $sound (@sounds) {
my @params=("-to", $destSR,
"-c", "0",
$sourceDirectory."/sounds/".$sound,
$destDirectory."/sounds/".$sound);
system("sndfile-resample",@params);
}
} else {
my $srcSndDir = $sourceDirectory."/interchange/".basename($sourceDirectory)."/audiofiles/";
my $dstSndDir = $destDirectory."/interchange/";
mkdir $dstSndDir;
$dstSndDir .= basename($sourceDirectory)."/";
mkdir $dstSndDir;
$dstSndDir .= "audiofiles/";
mkdir $dstSndDir;
foreach my $sound (@sounds) {
my @params=("-to", $destSR,
"-c", "0",
$srcSndDir."/".$sound,
$dstSndDir."/".$sound);
system("sndfile-resample",@params);
}
}
mkdir $destDirectory."/dead_sounds";
mkdir $destDirectory."/peaks";