2 # Ardour session synthesizer
3 # (c)Sampo Savolainen 2007
6 # This reads an Ardour session file and creates zero-signal source files
7 # for each missing source file. The length of each file is determined
8 # by how far regions using that source file go into the sample data.
10 use XML::Parser::PerlSAX;
11 use XML::Handler::XMLWriter;
14 use ARDOUR::SourceInfoLoader;
17 my ($samplerate, $sessionName) = @ARGV;
19 if ( ! -d $sessionName || ! -f $sessionName."/".$sessionName.".ardour" ) {
20 print "usage: synthesize_sources.pl samplerate [session name, the name must match the directory and the .ardour file in it]\n";
24 my $sessionFile = $sessionName."/".$sessionName.".ardour";
27 my $handler = new ARDOUR::SourceInfoLoader($sessionName);
29 my $parser = XML::Parser::PerlSAX->new( Handler => $handler );
31 $parser->parse(Source => { SystemId => $sessionFile });
33 if ( ! -d $sessionName."/interchange" ) {
34 mkdir $sessionName."/interchange/" || die "couldn't create ".$sessionName."/interchange";
37 if ( ! -d $sessionName."/interchange/".$sessionName ) {
38 mkdir $sessionName."/interchange/".$sessionName || die "couldn't create ".$sessionName."/interchange/".$sessionName;
41 if ( ! -d $sessionName."/interchange/".$sessionName."/audiofiles" ) {
42 mkdir $sessionName."/interchange/".$sessionName."/audiofiles" || die "couldn't create ".$sessionName."/interchange/".$sessionName."/audiofiles";
45 if ( ! -d $sessionName."/peaks") {
46 mkdir $sessionName."/peaks/" || die "couldn't create ".$sessionName."/peaks";
49 my $audioFileDirectory = $sessionName."/interchange/".$sessionName."/audiofiles";
51 my %sources = %{$handler->{Sources}};
53 foreach my $tmp (keys %sources) {
55 print "Generating ".$audioFileDirectory."/".$sources{$tmp}->{name}.".wav\n";
58 "-t", "raw", # /dev/zero is raw :)
59 "-r", $samplerate, # set sample rate
60 "-c", "1", # 1 channel
61 "-b", # input in bytes
63 "/dev/zero", # input signal
66 "-t", "wav", # format wav
67 $audioFileDirectory."/".$sources{$tmp}->{name}, # filename
68 "trim", "0", $sources{$tmp}->{calculated_length}."s" # trim silence to wanted sample amount