David Robillard
f9f5ec85fb
git-svn-id: svn://localhost/ardour2/branches/midi@1395 d708f5d6-7413-0410-9779-e7cbd77b26cf
76 lines
2.3 KiB
Perl
Executable File
76 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Ardour session synthesizer
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# (c)Sampo Savolainen 2007
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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 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 ($samplerate, $sessionName) = @ARGV;
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if ( ! -d $sessionName || ! -f $sessionName."/".$sessionName.".ardour" ) {
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print "usage: synthesize_sources.pl samplerate [session name, the name must match the directory and the .ardour file in it]\n";
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exit;
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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}.".wav\n";
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system("sox",
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"-t", "raw", # /dev/zero is raw :)
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"-r", $samplerate, # set sample rate
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"-c", "1", # 1 channel
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"-b", # input in bytes
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"-s", # signed
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"/dev/zero", # input signal
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"-w", # output 16 bit
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"-t", "wav", # format wav
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$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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}
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