public synchronized boolean waitForState(int state) {
switch (state) {
case Processor.Configured:
p.configure();
break;
case Controller.Realized:
p.realize();
break;
case Controller.Prefetched:
p.prefetch();
break;
case Controller.Started:
p.start();
break;
}
while (p.getState() < state && !error) {
try {
wait(1000);
} catch (Exception e) {
}
}
// p.removeControllerListener(this);
return !(error);
}
private synchronized boolean waitForState(Processor p, int state) {
p.addControllerListener(new StateListener());
failed = false;
// Call the required method on the processor
if (state == Processor.Configured) {
p.configure();
} else if (state == Processor.Realized) {
p.realize();
}
// Wait until we get an event that confirms the
// success of the method, or a failure event.
// See StateListener inner class
while (p.getState() < state && !failed) {
synchronized (getStateLock()) {
try {
getStateLock().wait();
} catch (InterruptedException ie) {
return false;
}
}
}
if (failed) return false;
else return true;
}
/**
* Initializes the decoder. The file will be opened, decoding will start, and the first frame of
* the movie will be sent to the handlers.
*
* @param mediaFile - the URL of the media file to be loaded
*/
public void init(String mediaFile) {
try {
java.net.URL url = new java.net.URL(mediaFile);
processor = Manager.createProcessor(url);
processor.addControllerListener(this);
processor.configure();
} catch (Exception e) {
// Debug.trace("Movie player exception "+e);
}
}
private static synchronized boolean waitForState(Processor p, int state) {
p.addControllerListener(new StateListener());
stateFailed = false;
if (state == Processor.Configured) {
p.configure();
} else if (state == Processor.Realized) {
p.realize();
}
while (p.getState() < state && !stateFailed) {
synchronized (stateLock) {
try {
stateLock.wait();
} catch (InterruptedException ie) {
return false;
}
}
}
return (!stateFailed);
}
public boolean blockingConfigure() {
setState(Processor.Configured);
((Processor) controller).configure();
return waitForState();
}
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 ReceiveStreamListener#update(ReceiveStreamEvent)}.
*
* <p>{@link #rtpManager} will use this to notify us of <tt>ReceiveStreamEvent</tt>s.
*/
@Override
public void update(ReceiveStreamEvent event) {
if (event == null) return;
ReceiveStream receiveStream = event.getReceiveStream();
if (event instanceof NewReceiveStreamEvent) {
if (receiveStream == null) {
logger.warn("NewReceiveStreamEvent: null");
return;
}
final long ssrc = getReceiveStreamSSRC(receiveStream);
ReceiveStreamDesc receiveStreamDesc = findReceiveStream(ssrc);
if (receiveStreamDesc != null) {
String s = "NewReceiveStreamEvent for an existing SSRC. ";
if (receiveStream != receiveStreamDesc.receiveStream)
s += "(but different ReceiveStream object)";
logger.warn(s);
return;
} else receiveStreamDesc = new ReceiveStreamDesc(receiveStream);
if (logger.isInfoEnabled()) logger.info("New ReceiveStream, ssrc=" + ssrc);
// Find the format of the ReceiveStream
DataSource dataSource = receiveStream.getDataSource();
if (dataSource instanceof PushBufferDataSource) {
Format format = null;
PushBufferDataSource pbds = (PushBufferDataSource) dataSource;
for (PushBufferStream pbs : pbds.getStreams()) {
if ((format = pbs.getFormat()) != null) break;
}
if (format == null) {
logger.error("Failed to handle new ReceiveStream: " + "Failed to determine format");
return;
}
receiveStreamDesc.format = format;
} else {
logger.error("Failed to handle new ReceiveStream: " + "Unsupported DataSource");
return;
}
int rtpClockRate = -1;
if (receiveStreamDesc.format instanceof AudioFormat)
rtpClockRate = (int) ((AudioFormat) receiveStreamDesc.format).getSampleRate();
else if (receiveStreamDesc.format instanceof VideoFormat) rtpClockRate = 90000;
getSynchronizer().setRtpClockRate(ssrc, rtpClockRate);
// create a Processor and configure it
Processor processor = null;
try {
processor = Manager.createProcessor(receiveStream.getDataSource());
} catch (NoProcessorException npe) {
logger.error("Failed to create Processor: ", npe);
return;
} catch (IOException ioe) {
logger.error("Failed to create Processor: ", ioe);
return;
}
if (logger.isInfoEnabled()) logger.info("Created processor for SSRC=" + ssrc);
processor.addControllerListener(this);
receiveStreamDesc.processor = processor;
final int streamCount;
synchronized (receiveStreams) {
receiveStreams.add(receiveStreamDesc);
streamCount = receiveStreams.size();
}
/*
* XXX TODO IRBABOON
* This is a terrible hack which works around a failure to realize()
* some of the Processor-s for audio streams, when multiple streams
* start nearly simultaneously. The cause of the problem is currently
* unknown (and synchronizing all FMJ calls in RecorderRtpImpl
* does not help).
* XXX TODO NOOBABRI
*/
if (receiveStreamDesc.format instanceof AudioFormat) {
final Processor p = processor;
new Thread() {
@Override
public void run() {
// delay configuring the processors for the different
// audio streams to decrease the probability that they
// run together.
try {
int ms = 450 * (streamCount - 1);
logger.warn(
"Sleeping for "
+ ms
+ "ms before"
+ " configuring processor for SSRC="
+ ssrc
+ " "
+ System.currentTimeMillis());
Thread.sleep(ms);
} catch (Exception e) {
}
p.configure();
}
}.run();
} else {
processor.configure();
}
} else if (event instanceof TimeoutEvent) {
if (receiveStream == null) {
// TODO: we might want to get the list of ReceiveStream-s from
// rtpManager and compare it to our list, to see if we should
// remove a stream.
logger.warn("TimeoutEvent: null.");
return;
}
// FMJ silently creates new ReceiveStream instances, so we have to
// recognize them by the SSRC.
ReceiveStreamDesc receiveStreamDesc = findReceiveStream(getReceiveStreamSSRC(receiveStream));
if (receiveStreamDesc != null) {
if (logger.isInfoEnabled()) {
logger.info("ReceiveStream timeout, ssrc=" + receiveStreamDesc.ssrc);
}
removeReceiveStream(receiveStreamDesc, true);
}
} else if (event != null && logger.isInfoEnabled()) {
logger.info("Unhandled ReceiveStreamEvent (" + event.getClass().getName() + "): " + event);
}
}