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- Added Stasis.
- Added JLayer libraries.
This commit is contained in:
jendave
216
src/javazoom/jl/converter/jlc.java
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216
src/javazoom/jl/converter/jlc.java
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/*
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* 11/19/04 1.0 moved to LGPL.
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*
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* 29/01/00 Initial version. mdm@techie.com
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*
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* 12/12/99 JavaLayer 0.0.7 mdm@techie.com
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*
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* 14/02/99 MPEG_Args Based Class - E.B
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* Adapted from javalayer and MPEG_Args.
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* Doc'ed and integerated with JL converter. Removed
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* Win32 specifics from original Maplay code.
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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 Library General Public License as published
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* by 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 Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*----------------------------------------------------------------------
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*/
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package javazoom.jl.converter;
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import java.io.PrintWriter;
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import javazoom.jl.decoder.Crc16;
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import javazoom.jl.decoder.JavaLayerException;
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import javazoom.jl.decoder.OutputChannels;
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/**
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* The <code>jlc</code> class presents the JavaLayer
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* Conversion functionality as a command-line program.
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*
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* @since 0.0.7
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*/
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public class jlc
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{
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static public void main(String args[])
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{
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String[] argv;
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long start = System.currentTimeMillis();
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int argc = args.length + 1;
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argv = new String[argc];
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argv[0] = "jlc";
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for(int i=0;i<args.length;i++)
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argv[i+1] = args[i];
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jlcArgs ma = new jlcArgs();
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if (!ma.processArgs(argv))
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System.exit(1);
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Converter conv = new Converter();
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int detail = (ma.verbose_mode ?
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ma.verbose_level :
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Converter.PrintWriterProgressListener.NO_DETAIL);
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Converter.ProgressListener listener =
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new Converter.PrintWriterProgressListener(
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new PrintWriter(System.out, true), detail);
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try
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{
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conv.convert(ma.filename, ma.output_filename, listener);
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}
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catch (JavaLayerException ex)
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{
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System.err.println("Convertion failure: "+ex);
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}
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System.exit(0);
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}
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/**
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* Class to contain arguments for maplay.
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*/
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static class jlcArgs
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{
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// channel constants moved into OutputChannels class.
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//public static final int both = 0;
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//public static final int left = 1;
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//public static final int right = 2;
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//public static final int downmix = 3;
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public int which_c;
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public int output_mode;
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public boolean use_own_scalefactor;
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public float scalefactor;
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public String output_filename;
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public String filename;
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//public boolean stdout_mode;
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public boolean verbose_mode;
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public int verbose_level = 3;
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public jlcArgs()
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{
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which_c = OutputChannels.BOTH_CHANNELS;
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use_own_scalefactor = false;
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scalefactor = (float) 32768.0;
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//stdout_mode = false;
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verbose_mode = false;
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}
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/**
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* Process user arguments.
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*
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* Returns true if successful.
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*/
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public boolean processArgs(String[] argv)
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{
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filename = null;
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Crc16[] crc;
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crc = new Crc16[1];
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int i;
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int argc = argv.length;
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//stdout_mode = false;
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verbose_mode = false;
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output_mode = OutputChannels.BOTH_CHANNELS;
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output_filename = "";
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if (argc < 2 || argv[1].equals("-h"))
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return Usage();
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i = 1;
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while (i < argc)
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{
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/* System.out.println("Option = "+argv[i]);*/
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if (argv[i].charAt(0) == '-')
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{
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if (argv[i].startsWith("-v"))
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{
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verbose_mode = true;
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if (argv[i].length()>2)
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{
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try
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{
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String level = argv[i].substring(2);
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verbose_level = Integer.parseInt(level);
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}
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catch (NumberFormatException ex)
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{
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System.err.println("Invalid verbose level. Using default.");
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}
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}
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System.out.println("Verbose Activated (level "+verbose_level+")");
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}
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/* else if (argv[i].equals("-s"))
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ma.stdout_mode = true; */
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else if (argv[i].equals("-p"))
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{
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if (++i == argc)
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{
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System.out.println("Please specify an output filename after the -p option!");
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System.exit (1);
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}
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//output_mode = O_WAVEFILE;
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output_filename = argv[i];
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}
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/*else if (argv[i].equals("-f"))
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{
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if (++i == argc)
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{
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System.out.println("Please specify a new scalefactor after the -f option!");
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System.exit(1);
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}
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ma.use_own_scalefactor = true;
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// ma.scalefactor = argv[i];
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}*/
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else return Usage();
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}
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else
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{
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filename = argv[i];
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System.out.println("FileName = "+argv[i]);
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if (filename == null) return Usage();
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}
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i++;
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}
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if (filename == null)
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return Usage();
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return true;
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}
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/**
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* Usage of JavaLayer.
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*/
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public boolean Usage()
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{
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System.out.println("JavaLayer Converter :");
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System.out.println(" -v[x] verbose mode. ");
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System.out.println(" default = 2");
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/* System.out.println(" -s write u-law samples at 8 kHz rate to stdout");
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System.out.println(" -l decode only the left channel");
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System.out.println(" -r decode only the right channel");
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System.out.println(" -d downmix mode (layer III only)");
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System.out.println(" -s write pcm samples to stdout");
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System.out.println(" -d downmix mode (layer III only)");*/
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System.out.println(" -p name output as a PCM wave file");
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System.out.println("");
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System.out.println(" More info on http://www.javazoom.net");
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/* System.out.println(" -f ushort use this scalefactor instead of the default value 32768");*/
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return false;
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}
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};
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};
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