diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/ARDOUR/AutomationSRConverter.pm | 61 | ||||
| -rw-r--r-- | tools/ARDOUR/SessionSRHandler.pm | 120 | ||||
| -rwxr-xr-x | tools/resample_session.pl | 201 |
3 files changed, 382 insertions, 0 deletions
diff --git a/tools/ARDOUR/AutomationSRConverter.pm b/tools/ARDOUR/AutomationSRConverter.pm new file mode 100644 index 0000000000..afd8f6c702 --- /dev/null +++ b/tools/ARDOUR/AutomationSRConverter.pm @@ -0,0 +1,61 @@ +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 = $self->readline; + } +} + +1; diff --git a/tools/ARDOUR/SessionSRHandler.pm b/tools/ARDOUR/SessionSRHandler.pm new file mode 100644 index 0000000000..8bfe665aca --- /dev/null +++ b/tools/ARDOUR/SessionSRHandler.pm @@ -0,0 +1,120 @@ +package ARDOUR::SessionSRHandler; + + +use XML::Handler::XMLWriter; +use POSIX qw(floor); + +@ISA = qw( XML::Handler::XMLWriter ); + +$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; + + + 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"; + + |