private InputStream getInputStream(
String urlStr, Format outputFormat, ContentDescriptor outputContentDescriptor)
throws Exception {
final ProcessorModel processorModel =
new ProcessorModel(
new MediaLocator(urlStr),
outputFormat == null ? null : new Format[] {outputFormat},
outputContentDescriptor);
final Processor processor = Manager.createRealizedProcessor(processorModel);
final DataSource ds = processor.getDataOutput();
final DataSink[] streamDataSinkHolder = new DataSink[] {null};
// connect the data output of the processor to a StreamDataSink, which
// will make the data available to PipedInputStream, which we return.
final PipedInputStream in =
new PipedInputStream() {
// override close to clean up everything when the media has been
// served.
@Override
public void close() throws IOException {
super.close();
logger.fine("Closed input stream");
logger.fine("Stopping processor");
processor.stop();
logger.fine("Closing processor");
processor.close();
logger.fine("Deallocating processor");
processor.deallocate();
if (streamDataSinkHolder[0] != null) {
logger.fine("Closing StreamDataSink");
streamDataSinkHolder[0].close();
}
}
};
final PipedOutputStream out = new PipedOutputStream(in);
final DataSink streamDataSink = new StreamDataSink(out);
streamDataSinkHolder[0] = streamDataSink;
streamDataSink.setSource(ds);
streamDataSink.open();
streamDataSink.start();
logger.info("Starting processor");
processor.start();
// TODO: if there is an error, make sure we clean up.
// for example, if the client breaks the connection.
// we need a controller listener to listen for errors.
return in;
}
/** Create the DataSink. */
DataSink createDataSink(Processor p, MediaLocator outML) {
DataSource ds;
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.err.println("- Create DataSink for: " + outML);
dsink = Manager.createDataSink(ds, outML);
dsink.open();
} catch (Exception e) {
System.err.println("Cannot create the DataSink: " + e);
return null;
}
return dsink;
}
/** With the given processor info generated from matchTracks, build each of the processors. */
public boolean buildTracks(ProcInfo pInfo[]) {
ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW);
Processor p;
for (int i = 0; i < pInfo.length; i++) {
p = pInfo[i].p;
p.setContentDescriptor(cd);
// We are done with programming the processor. Let's just
// realize the it.
if (!waitForState(p, Controller.Realized)) {
System.err.println("- Failed to realize the processor.");
return false;
}
// Set the JPEG quality to .5.
setJPEGQuality(p, 0.5f);
PushBufferStream pbs[];
TrackInfo tInfo;
int trackID;
// Cheating. I should have checked the type of DataSource
// returned.
pInfo[i].ds = (PushBufferDataSource) p.getDataOutput();
pbs = pInfo[i].ds.getStreams();
// Find the matching data stream for the given track for audio.
for (int type = AUDIO; type < MEDIA_TYPES; type++) {
for (trackID = 0; trackID < pInfo[i].numTracksByType[type]; trackID++) {
tInfo = pInfo[i].tracksByType[type][trackID];
tInfo.pbs = pbs[tInfo.idx];
}
}
}
return true;
}
/**
* Creates a video stream of the interactions with the given component at the specified frame rate
* and saves it as the given file.
*/
public static Processor recordVideo(Component component, int fps, File dest) {
if (component == null) return null;
Dimension size = component.getSize();
Point location = component.getLocationOnScreen();
String loc =
MessageFormat.format(
"screen://{0},{1},{2},{3}/{4}",
new Object[] {
new Integer(location.x), new Integer(location.y),
new Integer(size.width - size.width % 8), new Integer(size.height - size.height % 8),
new Integer(fps)
});
MediaLocator mSource = new MediaLocator(loc);
Processor p = null;
try {
DataSource data = Manager.createDataSource(mSource);
p = Manager.createProcessor(mSource);
waitForState(p, Processor.Configured);
p.setContentDescriptor(new FileTypeDescriptor("video.x_msvideo"));
p.getTrackControls()[0].setFormat(new VideoFormat(VideoFormat.MJPG));
waitForState(p, Processor.Realized);
DataSource data2 = p.getDataOutput();
String path = dest.getParent();
String name = dest.getName();
if (!name.toLowerCase().endsWith(".avi")) name += ".avi";
MediaLocator mediaDest = new MediaLocator(new File(path, name).toURL());
DataSink dataSink = Manager.createDataSink(data2, mediaDest);
dataSink.open();
dataSink.start();
p.start();
} catch (Exception ex) {
ex.printStackTrace();
p = null;
}
return p;
}
public static void main(String[] args) {
if (args.length != 2) {
System.out.println("Usage: rtpaudio <targetIP> <targetPort>");
System.exit(0);
}
try {
RegistryDefaults.setDefaultFlags(RegistryDefaults.FMJ);
// create a clean registry
RegistryDefaults.unRegisterAll(RegistryDefaults.ALL);
RegistryDefaults.registerAll(RegistryDefaults.FMJ);
// remove all capture devices
Vector deviceList = (Vector) CaptureDeviceManager.getDeviceList(null).clone();
for (int i = 0; i < deviceList.size(); i++) {
CaptureDeviceInfo cdi = (CaptureDeviceInfo) deviceList.elementAt(i);
CaptureDeviceManager.removeDevice(cdi);
}
// update capture device list
new net.sf.fmj.media.cdp.javasound.CaptureDevicePlugger().addCaptureDevices();
PlugInManager.commit();
deviceList = (Vector) CaptureDeviceManager.getDeviceList(null).clone();
if ((null == deviceList) || (deviceList.size() == 0)) {
System.out.println("### ERROR found no audio capture device");
System.exit(0);
}
// enumerate all codec
Vector codecList = PlugInManager.getPlugInList(null, null, PlugInManager.CODEC);
System.out.println("found " + codecList.size() + " codec");
for (int i = 0; i < codecList.size(); i++) {
String aCodecClass = (String) codecList.elementAt(i);
System.out.println("# " + (i + 1) + " " + aCodecClass);
}
// fetch first available audio capture device
deviceList = (Vector) CaptureDeviceManager.getDeviceList(null).clone();
CaptureDeviceInfo captureDeviceInfo = (CaptureDeviceInfo) deviceList.elementAt(0);
System.out.println("### using " + captureDeviceInfo.getName());
System.out.println("### locator " + captureDeviceInfo.getLocator());
javax.media.protocol.DataSource dataSource =
javax.media.Manager.createDataSource(
new javax.media.MediaLocator(captureDeviceInfo.getLocator().toString()));
// javax.media.protocol.DataSource dataSource =
// javax.media.Manager.createDataSource(new
// javax.media.MediaLocator("javasound://"));
System.out.println("### created datasource " + dataSource.getClass().getName());
javax.media.control.FormatControl[] formatControls =
((javax.media.protocol.CaptureDevice) dataSource).getFormatControls();
System.out.println("got format control " + formatControls[0].getClass().getName());
System.out.println("current format is " + formatControls[0].getFormat());
// set audio capture format
javax.media.Format[] formats = formatControls[0].getSupportedFormats();
for (int i = 0; i < formats.length; i++) {
javax.media.format.AudioFormat af = (javax.media.format.AudioFormat) formats[i];
if ((af.getChannels() == 1) && (af.getSampleSizeInBits() == 16)) {
if (af.getSampleRate() == Format.NOT_SPECIFIED) {
javax.media.format.AudioFormat newAudioFormat =
new javax.media.format.AudioFormat(
af.getEncoding(),
8000.0f,
javax.media.Format.NOT_SPECIFIED,
javax.media.Format.NOT_SPECIFIED);
// javax.media.format.AudioFormat newAudioFormat = new
// javax.media.format.AudioFormat(af.getEncoding(),
// 44100.0f, javax.media.Format.NOT_SPECIFIED,
// javax.media.Format.NOT_SPECIFIED);
formatControls[0].setFormat(newAudioFormat.intersects(af));
break;
}
}
}
System.out.println("current format is now " + formatControls[0].getFormat());
FrameProcessingControl fpc = null;
// adujst recording buffer ( to adjust latency )
dataSource.stop();
Object[] controls = dataSource.getControls();
for (int i = 0; i < controls.length; i++) {
String className = controls[i].getClass().getName();
if (-1 != className.indexOf("JavaSoundBufferControl")) {
javax.media.control.BufferControl bc = (javax.media.control.BufferControl) controls[i];
System.out.println(
"### current javasound buffer length is " + bc.getBufferLength() + " ms");
bc.setBufferLength(40);
System.out.println(
"### current javasound buffer length is " + bc.getBufferLength() + " ms");
} else if (-1 != className.indexOf("JitterBufferControl")) {
javax.media.control.BufferControl bc = (javax.media.control.BufferControl) controls[i];
System.out.println("### current jitter buffer length is " + bc.getBufferLength() + " ms");
bc.setBufferLength(80);
System.out.println("### current jitter buffer length is " + bc.getBufferLength() + " ms");
} else if (-1 != className.indexOf("FPC")) {
fpc = (FrameProcessingControl) controls[i];
System.out.println("### found bitrate control " + fpc.getClass());
}
}
dataSource.start();
// create processor
javax.media.Processor processor = javax.media.Manager.createProcessor(dataSource);
System.out.println("### created processor " + processor.getClass().getName());
processor.configure();
for (int idx = 0; idx < 100; idx++) {
if (processor.getState() == Processor.Configured) {
break;
}
Thread.sleep(100);
}
System.out.println("### processor state " + processor.getState());
processor.setContentDescriptor(
new javax.media.protocol.ContentDescriptor(ContentDescriptor.RAW_RTP));
javax.media.control.TrackControl[] tracks = processor.getTrackControls();
// /tracks[0].setFormat(new
// javax.media.format.AudioFormat(javax.media.format.AudioFormat.ULAW_RTP,
// 8000, 8, 1));
tracks[0].setFormat(
new javax.media.format.AudioFormat(javax.media.format.AudioFormat.GSM_RTP, 8000, 8, 1));
processor.realize();
for (int idx = 0; idx < 100; idx++) {
if (processor.getState() == Controller.Realized) {
break;
}
Thread.sleep(100);
}
System.out.println("### processor state " + processor.getState());
javax.media.protocol.DataSource dataOutput = processor.getDataOutput();
System.out.println("### processor data output " + dataOutput.getClass().getName());
// BitRateControl
BitRateControl bitrateControl = null;
Object[] controls2 = dataOutput.getControls();
for (int i = 0; i < controls2.length; i++) {
if (controls2[i] instanceof BitRateControl) {
bitrateControl = (BitRateControl) controls2[i];
System.out.println("### found bitrate control " + bitrateControl.getClass());
break;
}
}
// PacketSizeControl
Object[] controls3 = processor.getControls();
for (int i = 0; i < controls3.length; i++) {
if (controls3[i] instanceof PacketSizeControl) {
PacketSizeControl psc = (PacketSizeControl) controls3[i];
System.out.println("### current packetsize is " + psc.getPacketSize() + " bytes");
psc.setPacketSize(66);
System.out.println("### current packetsize is " + psc.getPacketSize() + " bytes");
break;
}
}
// enumerate all controls of the processor
Object[] pcontrols = processor.getControls();
for (int i = 0; i < pcontrols.length; i++) {
System.out.println("processor control " + i + " " + pcontrols[i]);
}
javax.media.rtp.RTPManager rtpManager = javax.media.rtp.RTPManager.newInstance();
javax.media.rtp.SessionAddress local =
new javax.media.rtp.SessionAddress(
InetAddress.getLocalHost(), Integer.valueOf(args[1]).intValue());
javax.media.rtp.SessionAddress target =
new javax.media.rtp.SessionAddress(
InetAddress.getByName(args[0]), Integer.valueOf(args[1]).intValue());
rtpManager.initialize(local);
rtpManager.addTarget(target);
javax.media.rtp.SendStream sendStream = rtpManager.createSendStream(dataOutput, 0);
sendStream.start();
processor.start();
Thread.sleep(1000);
System.out.println("\n>>>>>> TRANSMITTING ULAW/RTP AUDIO NOW");
while (2 > 1) {
Thread.sleep(1000);
if (null != bitrateControl) {
TransmissionStats stats = sendStream.getSourceTransmissionStats();
System.out.println(
"rtp audio send: bitrate="
+ bitrateControl.getBitRate()
+ " (pdu="
+ stats.getPDUTransmitted()
+ " bytes="
+ stats.getBytesTransmitted()
+ " overrun="
+ fpc.getFramesDropped()
+ ")");
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
System.exit(0);
}
/**
* Implements {@link ControllerListener#controllerUpdate(ControllerEvent)}. Handles events from
* the <tt>Processor</tt>s that this instance uses to transcode media.
*
* @param ev the event to handle.
*/
public void controllerUpdate(ControllerEvent ev) {
if (ev == null || ev.getSourceController() == null) {
return;
}
Processor processor = (Processor) ev.getSourceController();
ReceiveStreamDesc desc = findReceiveStream(processor);
if (desc == null) {
logger.warn("Event from an orphaned processor, ignoring: " + ev);
return;
}
if (ev instanceof ConfigureCompleteEvent) {
if (logger.isInfoEnabled()) {
logger.info(
"Configured processor for ReceiveStream ssrc="
+ desc.ssrc
+ " ("
+ desc.format
+ ")"
+ " "
+ System.currentTimeMillis());
}
boolean audio = desc.format instanceof AudioFormat;
if (audio) {
ContentDescriptor cd = processor.setContentDescriptor(AUDIO_CONTENT_DESCRIPTOR);
if (!AUDIO_CONTENT_DESCRIPTOR.equals(cd)) {
logger.error(
"Failed to set the Processor content "
+ "descriptor to "
+ AUDIO_CONTENT_DESCRIPTOR
+ ". Actual result: "
+ cd);
removeReceiveStream(desc, false);
return;
}
}
for (TrackControl track : processor.getTrackControls()) {
Format trackFormat = track.getFormat();
if (audio) {
final long ssrc = desc.ssrc;
SilenceEffect silenceEffect;
if (Constants.OPUS_RTP.equals(desc.format.getEncoding())) {
silenceEffect = new SilenceEffect(48000);
} else {
// We haven't tested that the RTP timestamps survive
// the journey through the chain when codecs other than
// opus are in use, so for the moment we rely on FMJ's
// timestamps for non-opus formats.
silenceEffect = new SilenceEffect();
}
silenceEffect.setListener(
new SilenceEffect.Listener() {
boolean first = true;
@Override
public void onSilenceNotInserted(long timestamp) {
if (first) {
first = false;
// send event only
audioRecordingStarted(ssrc, timestamp);
} else {
// change file and send event
resetRecording(ssrc, timestamp);
}
}
});
desc.silenceEffect = silenceEffect;
AudioLevelEffect audioLevelEffect = new AudioLevelEffect();
audioLevelEffect.setAudioLevelListener(
new SimpleAudioLevelListener() {
@Override
public void audioLevelChanged(int level) {
activeSpeakerDetector.levelChanged(ssrc, level);
}
});
try {
// We add an effect, which will insert "silence" in
// place of lost packets.
track.setCodecChain(new Codec[] {silenceEffect, audioLevelEffect});
} catch (UnsupportedPlugInException upie) {
logger.warn("Failed to insert silence effect: " + upie);
// But do go on, a recording without extra silence is
// better than nothing ;)
}
} else {
// transcode vp8/rtp to vp8 (i.e. depacketize vp8)
if (trackFormat.matches(vp8RtpFormat)) track.setFormat(vp8Format);
else {
logger.error("Unsupported track format: " + trackFormat + " for ssrc=" + desc.ssrc);
// we currently only support vp8
removeReceiveStream(desc, false);
return;
}
}
}
processor.realize();
} else if (ev instanceof RealizeCompleteEvent) {
desc.dataSource = processor.getDataOutput();
long ssrc = desc.ssrc;
boolean audio = desc.format instanceof AudioFormat;
String suffix = audio ? AUDIO_FILENAME_SUFFIX : VIDEO_FILENAME_SUFFIX;
// XXX '\' on windows?
String filename = getNextFilename(path + "/" + ssrc, suffix);
desc.filename = filename;
DataSink dataSink;
if (audio) {
try {
dataSink = Manager.createDataSink(desc.dataSource, new MediaLocator("file:" + filename));
} catch (NoDataSinkException ndse) {
logger.error("Could not create DataSink: " + ndse);
removeReceiveStream(desc, false);
return;
}
} else {
dataSink = new WebmDataSink(filename, desc.dataSource);
}
if (logger.isInfoEnabled())
logger.info(
"Created DataSink ("
+ dataSink
+ ") for SSRC="
+ ssrc
+ ". Output filename: "
+ filename);
try {
dataSink.open();
} catch (IOException e) {
logger.error("Failed to open DataSink (" + dataSink + ") for" + " SSRC=" + ssrc + ": " + e);
removeReceiveStream(desc, false);
return;
}
if (!audio) {
final WebmDataSink webmDataSink = (WebmDataSink) dataSink;
webmDataSink.setSsrc(ssrc);
webmDataSink.setEventHandler(eventHandler);
webmDataSink.setKeyFrameControl(
new KeyFrameControlAdapter() {
@Override
public boolean requestKeyFrame(boolean urgent) {
return requestFIR(webmDataSink);
}
});
}
try {
dataSink.start();
} catch (IOException e) {
logger.error(
"Failed to start DataSink (" + dataSink + ") for" + " SSRC=" + ssrc + ". " + e);
removeReceiveStream(desc, false);
return;
}
if (logger.isInfoEnabled()) logger.info("Started DataSink for SSRC=" + ssrc);
desc.dataSink = dataSink;
processor.start();
} else if (logger.isDebugEnabled()) {
logger.debug(
"Unhandled ControllerEvent from the Processor for ssrc=" + desc.ssrc + ": " + ev);
}
}
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);
}
private String createProcessor() {
if (locator == null) return "Locator is null";
DataSource ds;
DataSource clone;
try {
ds = Manager.createDataSource(locator);
} catch (Exception e) {
return "Couldn't create DataSource";
}
// Try to create a processor to handle the input media locator
try {
processor = Manager.createProcessor(ds);
} catch (NoProcessorException npe) {
return "Couldn't create processor";
} catch (IOException ioe) {
return "IOException creating processor";
}
// Wait for it to configure
boolean result = waitForState(processor, Processor.Configured);
if (result == false) return "Couldn't configure processor";
// Get the tracks from the processor
TrackControl[] tracks = processor.getTrackControls();
// Do we have atleast one track?
if (tracks == null || tracks.length < 1) return "Couldn't find tracks in processor";
boolean programmed = false;
// Search through the tracks for a video track
for (int i = 0; i < tracks.length; i++) {
Format format = tracks[i].getFormat();
if (tracks[i].isEnabled() && format instanceof VideoFormat && !programmed) {
// Found a video track. Try to program it to output JPEG/RTP
// Make sure the sizes are multiple of 8's.
Dimension size = ((VideoFormat) format).getSize();
float frameRate = ((VideoFormat) format).getFrameRate();
int w = (size.width % 8 == 0 ? size.width : (int) (size.width / 8) * 8);
int h = (size.height % 8 == 0 ? size.height : (int) (size.height / 8) * 8);
VideoFormat jpegFormat =
new VideoFormat(
VideoFormat.JPEG_RTP,
new Dimension(w, h),
Format.NOT_SPECIFIED,
Format.byteArray,
frameRate);
tracks[i].setFormat(jpegFormat);
System.err.println("Video transmitted as:");
System.err.println(" " + jpegFormat);
// Assume succesful
programmed = true;
} else tracks[i].setEnabled(false);
}
if (!programmed) return "Couldn't find video track";
// Set the output content descriptor to RAW_RTP
ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW_RTP);
processor.setContentDescriptor(cd);
// Realize the processor. This will internally create a flow
// graph and attempt to create an output datasource for JPEG/RTP
// video frames.
result = waitForState(processor, Controller.Realized);
if (result == false) return "Couldn't realize processor";
// Set the JPEG quality to .5.
setJPEGQuality(processor, 0.5f);
// Get the output data source of the processor
dataOutput = processor.getDataOutput();
return null;
}