# Audio::LADSPA perl modules for interfacing with LADSPA plugins
# Copyright (C) 2003 Joost Diepenmaat.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# See the COPYING file for more information.
package Audio::LADSPA::LibraryLoader;
use strict;
use base qw(DynaLoader);
use Carp;
our $VERSION = sprintf("%d.%03d", '$Name: v0_018-2006-06-15b $' =~ /(\d+)_(\d+)/,0,0);
use Audio::LADSPA::Library;
use Audio::LADSPA::Plugin::XS;
use Config;
sub find_libraries {
my @libs = map {
find_libraries_in_dir($_)
} split/:/,($ENV{LADSPA_PATH} || '/usr/lib/ladspa:/usr/local/lib/ladspa');
unless (scalar @libs) {
if ($ENV{LADSPA_PATH}) {
carp "No libraries found in LADSPA_PATH ($ENV{LADSPA_PATH})";
}
else {
carp "No libraries found in /usr/lib/ladspa and /usr/local/lib/ladspa. Please set LADSPA_PATH.";
}
}
return @libs;
}
sub find_libraries_in_dir {
my $dir = shift;
opendir D,$dir;
my @files = map "$dir/$_",grep /\.$Config{so}$/, readdir(D);
closedir D;
@files;
}
sub load {
my ($self,$library_path) = @_;
$library_path =~ /([\w\-\+]+)\.($Config{so})$/ or die "Cannot form a package name from $library_path";
my $package = "Audio::LADSPA::Library::$1";
if ($package->can("library_file")) {
# warn "Already made a package $package for ".$package->library_file.", skipping $library_path";
return;
}
# warn "loading $library_path to $package\n";
$self->load_lib_to_package(
$library_path,
$package,
);
return $package;
}
Audio::LADSPA::LibraryLoader->bootstrap($VERSION);
1;