Added the session resampler which now should work for 2.0 sessions and

almost work for 0.99 originated session (automation is not handled yet).
Stopped the creation on the automation/ directory in new sessions as 
it's not used anymore


git-svn-id: svn://localhost/ardour2/trunk@1725 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 201 insertions, 0 deletions

diff --git a/tools/resample_session.pl b/tools/resample_session.pl
new file mode 100755
index 0000000000..c6a390f480
--- /dev/null
+++ b/tools/resample_session.pl
@@ -0,0 +1,201 @@
+#!/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";
+
+