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|
package model;
import java.io.*;
import java.util.*;
import java.awt.Dimension;
import java.awt.Image;
import java.net.MalformedURLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.media.*;
import javax.media.control.*;
import javax.media.protocol.*;
import javax.media.protocol.DataSource;
import javax.media.datasink.*;
import javax.media.format.VideoFormat;
import javax.media.util.ImageToBuffer;
public class Paste implements ControllerListener, DataSinkListener{
private Object waitSync = new Object();
private Object waitFileSync = new Object();
private boolean stateTransitionOK = true;
private boolean fileDone = false;
private boolean fileSuccess = true;
private MediaLocator outML;
private Processor processor;
private MediaLocator inML;
private MediaLocator outML2;
private Processor processor2;
private MediaLocator inML2;
private File output;
private File input1;
private File input2;
public Paste (File outputFile,File inputFile1,File inputFile2) throws Exception {
output = outputFile;
input1 = inputFile1;
input2 = inputFile2;
this.inML = new MediaLocator(inputFile1.toURL());
this.inML2 = new MediaLocator(inputFile2.toURL());
this.processor = createProcessorFile1(outputFile);
this.processor2 = createProcessorFile2(outputFile);
this.outML = new MediaLocator(outputFile.toURL());
this.outML2 = new MediaLocator(outputFile.toURL());
makeMovie();
}
private Processor createProcessorFile1(File outputFile) throws Exception {
Processor p= null;
try{
System.out.println("- create processor for the image datasource ...");
p = Manager.createProcessor(this.inML);
}
catch (Exception e){
System.err.println("Yikes! Cannot create a processor from the data source.");
}
p.addControllerListener(this);
// Put the Processor into configured state so we can set
// some processing options on the processor.
p.configure();
if (!waitForState(p, Processor.Configured))
{
System.err.println("Failed to configure the processor.");
}
if (outputFile.getName().toLowerCase().endsWith(".mov")) {
// Set the output content descriptor to QuickTime.
p.setContentDescriptor(new ContentDescriptor(FileTypeDescriptor.QUICKTIME));
} else if (outputFile.getName().toLowerCase().endsWith(".avi")) {
// Set the output content descriptor to AVI (MSVIDEO).
p.setContentDescriptor(new ContentDescriptor(FileTypeDescriptor.MSVIDEO));
} else {
throw new IllegalArgumentException("unsupported file extension: "+ outputFile.getName());
}
return p;
}
private Processor createProcessorFile2(File outputFile) throws Exception {
Processor p =null;
try{
System.out.println("- create processor for the image datasource ...");
p = Manager.createProcessor(this.inML2);
}
catch (Exception e){
System.err.println("Yikes! Cannot create a processor from the data source.");
}
p.addControllerListener(this);
// Put the Processor into configured state so we can set
// some processing options on the processor.
p.configure();
if (!waitForState(p, Processor.Configured))
{
System.err.println("Failed to configure the processor.");
}
if (outputFile.getName().toLowerCase().endsWith(".mov")) {
// Set the output content descriptor to QuickTime.
p.setContentDescriptor(new ContentDescriptor(FileTypeDescriptor.QUICKTIME));
} else if (outputFile.getName().toLowerCase().endsWith(".avi")) {
// Set the output content descriptor to AVI (MSVIDEO).
p.setContentDescriptor(new ContentDescriptor(FileTypeDescriptor.MSVIDEO));
} else {
throw new IllegalArgumentException("unsupported file extension: "+ outputFile.getName());
}
return p;
}
public void makeMovie() throws Exception {
// We are done with programming the processor. Let's just
// realize it.
processor.realize();
if (!waitForState(processor, Processor.Realized))
{
System.err.println("Failed to realize the processor.");
}
processor2.realize();
if (!waitForState(processor2, Processor.Realized))
{
System.err.println("Failed to realize the processor.");
}
/* // Now, we'll need to create a DataSink.
DataSink dsink;
if ((dsink = createDataSink(processor, outML)) == null)
{
System.err.println("Failed to create a DataSink for the given output MediaLocator: "+ outML);
}
// Now, we'll need to create a DataSink.
DataSink dsink2;
if ((dsink2 = createDataSink(processor2, outML)) == null)
{
System.err.println("Failed to create a DataSink for the given output MediaLocator: "+ outML);
}*/
DataSource ds[] = new DataSource[2];
ds[0] = processor.getDataOutput();
ds[1] = processor2.getDataOutput();
System.out.println(ds[0]);
System.out.println(ds[1]);
DataSource src = Manager.createMergingDataSource(ds);
Processor proc = Manager.createProcessor(src );
DataSource temp = proc.getDataOutput();
DataSink dsink = Manager.createDataSink(temp, outML);
fileDone = false;
System.out.println("start processing...");
// OK, we can now start the actual transcoding.
try{
dsink.open();
dsink.start();
proc.start();
}
catch (IOException e){
System.err.println("IO error during processing");
}
// Wait for EndOfStream event.
waitForFileDone();
// Cleanup.
try{
proc.stop();
proc.close();
dsink.close();
}
catch (Exception e){
}
System.out.println("...done processing.");
}
/**
* Create the DataSink.
*/
private DataSink createDataSink(Processor p, MediaLocator outML,DataSource ds) throws IncompatibleSourceException, IOException, NoDataSourceException
{
// DataSource ds = p.getDataOutput();
/* if ((ds = p.getDataOutput()) == null)
{
System.err.println("Something is really wrong: the processor does not have an output DataSource");
return null;
}*/
DataSink dsink;
try{
System.out.println("- create DataSink for: " + outML);
dsink = Manager.createDataSink(ds, outML);
dsink.open();
}
catch (Exception e){
e.printStackTrace();
System.err.println("Cannot create the DataSink: " + e);
return null;
}
return dsink;
}
/**
* Block until the processor has transitioned to the given state.
* Return false if the transition failed.
*/
private boolean waitForState(Processor p, int state)
{
synchronized (waitSync)
{
try{
while (p.getState() < state && stateTransitionOK)
waitSync.wait();
}
catch (Exception e){
}
}
return stateTransitionOK;
}
/**
* Controller Listener.
*/
public void controllerUpdate(ControllerEvent evt)
{
if (evt instanceof ConfigureCompleteEvent
|| evt instanceof RealizeCompleteEvent
|| evt instanceof PrefetchCompleteEvent)
{
synchronized (waitSync)
{
stateTransitionOK = true;
waitSync.notifyAll();
}
}
else if (evt instanceof ResourceUnavailableEvent)
{
synchronized (waitSync)
{
stateTransitionOK = false;
waitSync.notifyAll();
}
}
else if (evt instanceof EndOfMediaEvent)
{
evt.getSourceController().stop();
evt.getSourceController().close();
}
}
/**
* Block until file writing is done.
*/
private boolean waitForFileDone()
{
synchronized (waitFileSync)
{
try
{
while (!fileDone)
waitFileSync.wait();
}
catch (Exception e)
{
}
}
return fileSuccess;
}
/**
* Event handler for the file writer.
*/
public void dataSinkUpdate(DataSinkEvent evt)
{
if (evt instanceof EndOfStreamEvent)
{
synchronized (waitFileSync)
{
fileDone = true;
waitFileSync.notifyAll();
}
}
else if (evt instanceof DataSinkErrorEvent)
{
synchronized (waitFileSync)
{
fileDone = true;
fileSuccess = false;
waitFileSync.notifyAll();
}
}
}
} |
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