101 lines
3.0 KiB
Perl
Executable File
101 lines
3.0 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# MP3 - Ogg converter
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# usage: mp32ogg <files>
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#
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# Creates ogg files from the selected mp3 files
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#
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# Requires one of mpg321, mpg123 or mplayer, and oggenc
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#
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# Changelog:
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# 0.2.1: Added new options to mplayer for mplayer's new features
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# Added support for m4a if using mplayer
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# 0.2: Aligned version with ds-audiotools
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# 0.1.3: Added mplayer support, automatically select decoder
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# Fixed option passing to system() calls to be as secure as possible
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# 0.1.2: added support for passing flags
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# Use a temp dir for storage of intermediate wav file
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# Cleaned up some syntax
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# Added version variable
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# 0.1: converted to perl
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# changed to use command-line args
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# 0.0.1: Initial bash script
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$VERSION = "0.2";
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$HELP_MSG = "# MP3 - Ogg Converter v$VERSION\n\tusage: mp32ogg <files>";
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$DEC_ERROR = "Couldn't find a decoder to use. Please install one of mplayer, mpg321, or mpg123";
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$ENC_ERROR = "Couldn't find oggenc, which is necessary for encoding. Please install the package that provides oggenc (probably named 'oggenc' or 'vorbistools')";
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chomp($tempdir = '/tmp/mp32ogg-' . `whoami`);
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# Do we need help?
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foreach (@ARGV)
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{
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if (/^(--help)|(-h)$/) { die $HELP_MSG; }
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}
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# Select the encoder and decoder
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chomp($decoder = `which mplayer`);
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$decoder_options = '-vc null -vo null -ao pcm:fast:file=';
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if (! -x $decoder)
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{
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$decoder_options = '-w '; # The others both use this format
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chomp($decoder = `which mpg321`);
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}
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chomp($decoder = `which mpg123`) if (! -x $decoder);
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chomp($encoder = `which oggenc`);
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# Dependency checks
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die $DEC_ERROR if (! -x $decoder);
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die $ENC_ERROR if (! -x $encoder);
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# Set up the temp directory
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system('rm', '-rf', $tempdir) if (-d $tempdir);
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mkdir($tempdir);
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foreach(@ARGV)
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{
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$filename = $_;
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$short_name = $_;
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if ($decoder =~ /mplayer/)
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{
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next unless (/\.(m4a|mp3)/);
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$short_name =~ s/\.(mp3|m4a)$//;
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}
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else
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{
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next unless (/\.mp3$/);
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$short_name =~ s/\.mp3$//;
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}
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# Transcode the file
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system("$decoder $filename $decoder_options$tempdir/$short_name.wav");
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system($encoder, "$tempdir/$short_name.wav", '-o', "$short_name.ogg");
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# Remove cruft
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system('rm', "$tempdir/$short_name.wav");
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system('rm', "$filename");
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}
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# Remove last of the cruft
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system('rm', '-rf', $tempdir);
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# Copyright (c) 2005 - 2008 John Wiggins
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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