100 lines
2.8 KiB
Perl
Executable File
100 lines
2.8 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Ardour session synthesizer
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# (c)Sampo Savolainen 2007-2008
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#
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# GPL
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# This reads an Ardour session file and creates zero-signal source files
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# for each missing source file. The length of each file is determined
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# by how far regions using that source file go into the sample data.
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use FindBin '$Bin';
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use lib "$Bin";
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use XML::Parser::PerlSAX;
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use XML::Handler::XMLWriter;
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use IO::Handle;
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use ARDOUR::SourceInfoLoader;
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my $usage = "usage: synthesize_sources.pl samplerate [session name, the name must match the directory and the .ardour file in it] [options: -sine for 440hz sine waves in wave files]\n";
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my ($samplerate, $sessionName, @options) = @ARGV;
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if ( ! -d $sessionName || ! -f $sessionName."/".$sessionName.".ardour" ) {
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print $usage;
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exit;
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}
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my $waveType = "silent";
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foreach my $o (@options) {
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if ($o eq "-sine") {
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$waveType = "sine";
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} elsif ($o eq "-silent") {
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$waveType = "silent";
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} else {
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print "unknown parameter ".$o."\n";
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print $usage;
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exit;
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}
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}
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my $sessionFile = $sessionName."/".$sessionName.".ardour";
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my $handler = new ARDOUR::SourceInfoLoader($sessionName);
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my $parser = XML::Parser::PerlSAX->new( Handler => $handler );
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$parser->parse(Source => { SystemId => $sessionFile });
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if ( ! -d $sessionName."/interchange" ) {
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mkdir $sessionName."/interchange/" || die "couldn't create ".$sessionName."/interchange";
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}
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if ( ! -d $sessionName."/interchange/".$sessionName ) {
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mkdir $sessionName."/interchange/".$sessionName || die "couldn't create ".$sessionName."/interchange/".$sessionName;
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}
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if ( ! -d $sessionName."/interchange/".$sessionName."/audiofiles" ) {
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mkdir $sessionName."/interchange/".$sessionName."/audiofiles" || die "couldn't create ".$sessionName."/interchange/".$sessionName."/audiofiles";
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}
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if ( ! -d $sessionName."/peaks") {
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mkdir $sessionName."/peaks/" || die "couldn't create ".$sessionName."/peaks";
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}
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my $audioFileDirectory = $sessionName."/interchange/".$sessionName."/audiofiles";
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my %sources = %{$handler->{Sources}};
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foreach my $tmp (keys %sources) {
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print "Generating ".$audioFileDirectory."/".$sources{$tmp}->{name}."\n";
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my @cmd =
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("sox",
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"-t", "raw", # /dev/zero is raw :)
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"-r", $samplerate, # set sample rate
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"-c", "1", # 1 channel
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"-b", "8", # input in 8 bit chunks
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"-s", # signed
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"/dev/zero", # input signal
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"-b", "16", # input in 16 bit chunks
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"-t", "wav", # format wav
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$audioFileDirectory."/".$sources{$tmp}->{name}, # filename
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"trim", "0", $sources{$tmp}->{calculated_length}."s" # trim silence to wanted sample amount
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);
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if ($waveType eq "sine") {
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@cmd = (@cmd, "synth","sin","%0", "vol", "0.2", "fade","q","0.01s", $sources{$tmp}->{calculated_length}."s" , "0.01s");
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}
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system(@cmd);
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}
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