/** Stops the transmission if already started */
public void stop() {
synchronized (this) {
if (processor != null) {
processor.stop();
processor.close();
processor = null;
rtptransmitter.close();
rtptransmitter = null;
}
}
}
public static void main(String[] args) {
// ---------------- CUT HERE START ----------------- //
Format formats[] = new Format[2];
formats[0] = new AudioFormat(AudioFormat.IMA4);
formats[1] = new VideoFormat(VideoFormat.CINEPAK);
FileTypeDescriptor outputType = new FileTypeDescriptor(FileTypeDescriptor.QUICKTIME);
Processor p = null;
try {
p = Manager.createRealizedProcessor(new ProcessorModel(formats, outputType));
} catch (IOException e) {
System.exit(-1);
} catch (NoProcessorException e) {
System.exit(-1);
} catch (CannotRealizeException e) {
System.exit(-1);
}
// get the output of the processor
DataSource source = p.getDataOutput();
// create a File protocol MediaLocator with the location of the file to
// which bits are to be written
MediaLocator dest = new MediaLocator("file://foo.mov");
// create a datasink to do the file writing & open the sink to make sure
// we can write to it.
DataSink filewriter = null;
try {
filewriter = Manager.createDataSink(source, dest);
filewriter.open();
} catch (NoDataSinkException e) {
System.exit(-1);
} catch (IOException e) {
System.exit(-1);
} catch (SecurityException e) {
System.exit(-1);
}
// now start the filewriter and processor
try {
filewriter.start();
} catch (IOException e) {
System.exit(-1);
}
p.start();
// stop and close the processor when done capturing...
// close the datasink when EndOfStream event is received...
// ----------------- CUT HERE END ---------------- //
try {
Thread.currentThread().sleep(4000);
} catch (InterruptedException ie) {
}
p.stop();
p.close();
try {
Thread.currentThread().sleep(1000);
} catch (InterruptedException ie) {
}
filewriter.close();
try {
Thread.currentThread().sleep(4000);
} catch (InterruptedException ie) {
}
System.exit(0);
}
/**
* Given an array of input media locators and an output locator, this method will concatenate the
* input media files to generate a single concatentated output.
*/
public boolean doIt(MediaLocator inML[], MediaLocator outML) {
// Guess the output content descriptor from the file extension.
ContentDescriptor cd;
if ((cd = fileExtToCD(outML.getRemainder())) == null) {
System.err.println("Couldn't figure out from the file extension the type of output needed!");
return false;
}
// Build the ProcInfo data structure for each processor.
ProcInfo pInfo[] = new ProcInfo[inML.length];
for (int i = 0; i < inML.length; i++) {
pInfo[i] = new ProcInfo();
pInfo[i].ml = inML[i];
try {
System.err.println("- Create processor for: " + inML[i]);
pInfo[i].p = Manager.createProcessor(inML[i]);
} catch (Exception e) {
System.err.println("Yikes! Cannot create a processor from the given url: " + e);
return false;
}
}
// Try to match the tracks from different processors.
if (!matchTracks(pInfo, cd)) {
System.err.println("Failed to match the tracks.");
return false;
}
// Program each processors to perform the necessary transcoding
// to concatenate the tracks.
if (!buildTracks(pInfo)) {
System.err.println("Failed to build processors for the inputs.");
return false;
}
// Generate a super glue data source from the processors.
SuperGlueDataSource ds = new SuperGlueDataSource(pInfo);
// Create the processor to generate the final output.
Processor p;
try {
p = Manager.createProcessor(ds);
} catch (Exception e) {
System.err.println("Failed to create a processor to concatenate the inputs.");
return false;
}
p.addControllerListener(this);
// Put the Processor into configured state.
if (!waitForState(p, Processor.Configured)) {
System.err.println("Failed to configure the processor.");
return false;
}
// Set the output content descriptor on the final processor.
System.err.println("- Set output content descriptor to: " + cd);
if ((p.setContentDescriptor(cd)) == null) {
System.err.println("Failed to set the output content descriptor on the processor.");
return false;
}
// We are done with programming the processor. Let's just
// realize it.
if (!waitForState(p, Controller.Realized)) {
System.err.println("Failed to realize the processor.");
return false;
}
// Now, we'll need to create a DataSink.
DataSink dsink;
if ((dsink = createDataSink(p, outML)) == null) {
System.err.println("Failed to create a DataSink for the given output MediaLocator: " + outML);
return false;
}
dsink.addDataSinkListener(this);
fileDone = false;
System.err.println("- Start concatenation...");
// OK, we can now start the actual concatenation.
try {
p.start();
dsink.start();
} catch (IOException e) {
System.err.println("IO error during concatenation");
return false;
}
// Wait for EndOfStream event.
waitForFileDone();
// Cleanup.
try {
dsink.close();
} catch (Exception e) {
}
p.removeControllerListener(this);
System.err.println(" ...done concatenation.");
return true;
}
