--- /dev/null
+package ARDOUR::AutomationSRConverter;
+
+sub new {
+ my ($type, $input, $output, $inputSR, $outputSR) = @_;
+
+ my $self = bless {}, $type;
+
+ $self->{Input} = $input;
+ $self->{Output} = $output;
+ $self->{Ratio} = ($outputSR+0) / ($inputSR+0);
+
+ return $self;
+}
+
+sub readline {
+ my ($self) = @_;
+
+ my $buf;
+ my $c='';
+
+ do {
+ $buf.=$c;
+ $c=$self->{Input}->getc;
+ } while ($c ne '' && $c ne "\n");
+
+ return $buf;
+}
+
+sub writeline {
+ my ($self, $line) = @_;
+
+ $self->{Output}->print($line."\n");
+}
+
+sub convert {
+ my ($self) = @_;
+
+ my $version=$self->readline;
+
+ if ($version ne "version 1") {
+ die ("Unsupported automation version $version");
+ }
+
+ $self->writeline($version);
+
+ my $buf = $self->readline;
+ while ( $buf ne "" ) {
+ if ( $buf eq "begin" ||
+ $buf eq "end") {
+ $self->writeline($buf);
+ } else {
+ my ($type, $position, $value) = split(' ', $buf);
+
+ $self->writeline($type." ".sprintf("%.0f",$position*$self->{Ratio})." ".$value);
+ }
+
+ $buf = $self->readline;
+ }
+}
+
+1;
--- /dev/null
+package ARDOUR::SessionSRHandler;
+
+
+use XML::Handler::XMLWriter;
+use POSIX qw(floor);
+
+@ISA = qw( XML::Handler::XMLWriter );
+
+$VERSION = 0.1;
+
+# This table maps the "names of XML elements" to lists of "names of attributes" which should
+# be converted according to the SR change.
+# TODO: The table is a bit dirty, i have to figure out how to do it cleanly
+my $conversion_table = {
+ "Location" => { "end" => 0, "start" => 0 },
+ "Region" => { "length" => 0, "start" => 0, "position" => 0, "sync-position" => 0 },
+ "Crossfade" => { "left" => 0, "right" => 0 }
+ };
+
+
+sub new {
+ my ($type, $original_sr, $new_sr, $output) = @_;
+
+ #my $self = XML::Handler::XMLWriter->new( { Output => $output } );
+
+ my $self = $type->SUPER::new( Output => $output );
+
+ $self->{Debug} = 0;
+ $self->{Ratio} = ($new_sr+0)/($original_sr+0);
+ $self->{OriginalSR} = $original_sr;
+ $self->{TargetSR} = $new_sr;
+ $self->{Output} = $output;
+
+ $self->{InEvents} = 0;
+
+ return $self;
+}
+
+sub start_element {
+ my $self = shift;
+ my $element = shift;
+
+ my $debug = $self->{Debug};
+
+ my $atts = $element->{Attributes};
+
+ my $convert_attributes = $conversion_table->{$element->{Name}};
+
+ foreach my $cAtt (keys %$convert_attributes) {
+ $atts->{$cAtt} = sprintf("%.0f", $atts->{$cAtt} * $self->{Ratio});
+ $debug = 0;
+ }
+
+ if ($debug eq 0) {
+ $self->SUPER::start_element($element, @_);
+ }
+
+ if ($element->{Name} eq "events") {
+ $self->{InEvents} = 1;
+ }
+}
+
+sub end_element {
+ my $self = shift;
+ my $element = shift;
+
+ if ($self->{Debug} eq 0) {
+ $self->SUPER::end_element($element,@_);
+ }
+
+ if ($element->{Name} eq "events") {
+ $self->{InEvents} = 0;
+ }
+}
+
+sub start_document {
+ my $self = shift;
+
+ $self->SUPER::start_document(@_);
+
+ $self->{Output}->print("<!-- Sample rate converted from $self->{OriginalSR}hz to $self->{TargetSR}hz -->\n");
+}
+
+sub end_document {
+ my $self = shift;
+
+ $self->SUPER::end_document(@_);
+}
+
+sub characters {
+ my $self = shift;
+ my $c = shift;
+
+ if ($self->{InEvents} > 0) {
+ my $converted = "";
+
+ foreach my $foo (split(' ',$c->{Data})) {
+ if ($self->{InEvents} eq 1) {
+ $converted .= floor($foo * $self->{Ratio})." ";
+ $self->{InEvents} = 2;
+ } else {
+ $converted .= $foo." ";
+ $self->{InEvents} = 1;
+ }
+ }
+
+ $c->{Data} = $converted;
+ }
+
+
+ if ($self->{Debug} eq 0) {
+ $self->SUPER::characters($c, @_);
+ }
+
+}
+
+1;
+
+
+
--- /dev/null
+#!/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 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,$file);
+ }
+}
+close(DOT_ARDOUR);
+
+# Read the names of all automation files in /automation/
+opendir(AUTOMATION,$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";
+
+
projects / ardour.git / commitdiff