/*
* Copyright 2006-2007 Columbia University.
*
* This file is part of MEAPsoft.
*
* MEAPsoft is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* MEAPsoft 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 MEAPsoft; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* See the file "COPYING" for the text of the license.
*/
package com.meapsoft.composers;
import gnu.getopt.Getopt;
import java.io.IOException;
import java.util.Iterator;
import java.util.Vector;
import com.meapsoft.EDLChunk;
import com.meapsoft.EDLFile;
import com.meapsoft.FeatChunk;
import com.meapsoft.FeatFile;
import com.meapsoft.ParserException;
/**
* Program that adds a blip after each chunk
*
* @author Dan Ellis (dpwe@ee.columbia.edu)
*/
public class BlipComposer extends Composer
{
public static String description = "BlipComposer inserts a blip at the beginning of each chunk in the input " +
"features file. Especially useful for understanding the output of the " +
"segmenter.";
String outFileName = "blipped.edl";
FeatFile featFile;
boolean debug = false;
// path to blip wav file
String blipWav = "data" + System.getProperty("file.separator") + "blip.wav";
public BlipComposer(String featFN, String outFN)
{
this(new FeatFile(featFN), new EDLFile(outFN));
}
public BlipComposer(FeatFile featFN, EDLFile outFN)
{
if (featFN == null || outFN == null)
return;
featFile = featFN;
outFile = outFN;
if(outFile == null)
outFile = new EDLFile("");
}
public void printUsageAndExit()
{
System.out.println("Usage: BlipComposer [-options] features.feat \n\n" +
" where options include:\n" +
" -o output_file the file to write the output to (defaults to blipped.edl)\n" +
" -f blip_file the audio file to insert at the beginning of each chunk (defaults to data/blip.wav)");
printCommandLineOptions('c');
System.out.println();
System.exit(0);
}
public BlipComposer(String[] args)
{
if(args.length == 0)
printUsageAndExit();
Vector features = new Vector();
// Parse arguments
String argString = "o:c:f:g";
parseCommands(args, argString);
Getopt opt = new Getopt("BlipComposer", args, argString);
opt.setOpterr(false);
int c = -1;
while ((c =opt.getopt()) != -1)
{
switch(c)
{
case 'o':
outFileName = opt.getOptarg();
break;
case 'g':
debug = true;
break;
case 'f':
blipWav = opt.getOptarg();
break;
case 'c': // already handled above
break;
case '?':
printUsageAndExit();
break;
default:
System.out.print("getopt() returned " + c + "\n");
}
}
// parse arguments
int ind = opt.getOptind();
if(ind > args.length)
printUsageAndExit();
featFile = new FeatFile(args[args.length-1]);
outFile = new EDLFile(outFileName);
System.out.println("Composing " + outFileName +
" from " + args[args.length-1] + ".");
}
public void setup() throws IOException, ParserException
{
super.setup();
if(!featFile.haveReadFile)
featFile.readFile();
if(featFile.chunks.size() == 0)
throw new ParserException(featFile.filename, "No chunks found");
progress.setMaximum(featFile.chunks.size());
}
public EDLFile compose()
{
Iterator c = featFile.chunks.iterator();
double currTime = 0;
while(c.hasNext())
{
FeatChunk ch = (FeatChunk)c.next();
EDLChunk nc = new EDLChunk(ch, currTime);
// hard-coded parameters of blip
EDLChunk blip = new EDLChunk(blipWav, 0, 0.1, currTime);
outFile.chunks.add(blip);
outFile.chunks.add(nc);
currTime += ch.length;
progress.setValue(progress.getValue()+1);
}
// outFile now contains some chunks.
outFile.haveReadFile = true;
return outFile;
}
public String description()
{
return description;
}
public void setBlipWav(String bp)
{
blipWav = bp;
}
public static void main(String[] args)
{
BlipComposer m = new BlipComposer(args);
long startTime = System.currentTimeMillis();
m.run();
System.out.println("Done. Took " +
((System.currentTimeMillis() - startTime)/1000.0)
+ "s");
System.exit(0);
}
}