/** push bytes back, to be read again later. */
private void pushback(byte[] bytes, int len) {
if (pushbackBufferLen == 0) {
pushbackBuffer = bytes; // TODO: copy?
pushbackBufferLen = len;
pushbackBufferOffset = 0;
} else {
final byte[] newPushbackBuffer = new byte[pushbackBufferLen + len];
System.arraycopy(pushbackBuffer, 0, newPushbackBuffer, 0, pushbackBufferLen);
System.arraycopy(bytes, 0, newPushbackBuffer, pushbackBufferLen, len);
pushbackBuffer = newPushbackBuffer;
pushbackBufferLen = pushbackBufferLen + len;
pushbackBufferOffset = 0;
}
}
public static void main(String[] args) {
String arg[] = {"-o", "file:/c:/foo.wav", "file:/c:/1.mp3", "file:/c:/1.wav"};
args = arg;
Vector<String> inputURL = new Vector<String>();
String outputURL = null;
if (args.length == 0) {
prUsage();
}
// Parse the arguments.
int i = 0;
while (i < args.length) {
if (args[i].equals("-o")) {
i++;
if (i >= args.length) prUsage();
outputURL = args[i];
} else {
inputURL.addElement(args[i]);
}
i++;
}
if (inputURL.size() == 0) {
System.err.println("No input url is specified");
prUsage();
}
if (outputURL == null) {
System.err.println("No output url is specified");
prUsage();
}
// Generate the input and output media locators.
MediaLocator iml[] = new MediaLocator[inputURL.size()];
MediaLocator oml;
for (i = 0; i < inputURL.size(); i++) {
if ((iml[i] = createMediaLocator(inputURL.elementAt(i))) == null) {
System.err.println("Cannot build media locator from: " + inputURL);
System.exit(0);
}
}
if ((oml = createMediaLocator(outputURL)) == null) {
System.err.println("Cannot build media locator from: " + outputURL);
System.exit(0);
}
FilesConcator concat = new FilesConcator();
if (!concat.doIt(iml, oml)) {
System.err.println("Failed to concatenate the inputs");
}
System.exit(0);
}
/**
* Blocks and reads into a <tt>Buffer</tt> from this <tt>PullBufferStream</tt>.
*
* @param buffer the <tt>Buffer</tt> this <tt>PullBufferStream</tt> is to read into
* @throws IOException if an I/O error occurs while this <tt>PullBufferStream</tt> reads into the
* specified <tt>Buffer</tt>
* @see AbstractVideoPullBufferStream#doRead(Buffer)
*/
@Override
protected void doRead(Buffer buffer) throws IOException {
/*
* Determine the Format in which we're expected to output. We cannot
* rely on the Format always being specified in the Buffer because it is
* not its responsibility, the DataSource of this ImageStream knows the
* output Format.
*/
Format format = buffer.getFormat();
if (format == null) {
format = getFormat();
if (format != null) buffer.setFormat(format);
}
if (format instanceof AVFrameFormat) {
Object o = buffer.getData();
AVFrame frame;
if (o instanceof AVFrame) frame = (AVFrame) o;
else {
frame = new AVFrame();
buffer.setData(frame);
}
AVFrameFormat avFrameFormat = (AVFrameFormat) format;
Dimension size = avFrameFormat.getSize();
ByteBuffer data = readScreenNative(size);
if (data != null) {
if (frame.avpicture_fill(data, avFrameFormat) < 0) {
data.free();
throw new IOException("avpicture_fill");
}
} else {
/*
* This can happen when we disconnect a monitor from computer
* before or during grabbing.
*/
throw new IOException("Failed to grab screen.");
}
} else {
byte[] bytes = (byte[]) buffer.getData();
Dimension size = ((VideoFormat) format).getSize();
bytes = readScreen(bytes, size);
buffer.setData(bytes);
buffer.setOffset(0);
buffer.setLength(bytes.length);
}
buffer.setHeader(null);
buffer.setTimeStamp(System.nanoTime());
buffer.setSequenceNumber(seqNo);
buffer.setFlags(Buffer.FLAG_SYSTEM_TIME | Buffer.FLAG_LIVE_DATA);
seqNo++;
}
/** Controller Listener. */
@Override
public void controllerUpdate(ControllerEvent evt) {
if (evt instanceof ControllerErrorEvent) {
System.err.println("Failed to concatenate the files.");
System.exit(-1);
} else if (evt instanceof EndOfMediaEvent) {
evt.getSourceController().close();
}
}
public int write(byte[] buffer, int offset, int length, boolean transform) {
RawPacket pkt = rawPacketArray[0];
if (pkt == null) pkt = new RawPacket();
rawPacketArray[0] = pkt;
byte[] pktBuf = pkt.getBuffer();
if (pktBuf == null || pktBuf.length < length) {
pktBuf = new byte[length];
pkt.setBuffer(pktBuf);
}
System.arraycopy(buffer, offset, pktBuf, 0, length);
pkt.setOffset(0);
pkt.setLength(length);
if (transform) {
PacketTransformer packetTransformer =
isControlStream ? rtcpPacketTransformer : rtpPacketTransformer;
if (packetTransformer != null)
rawPacketArray = packetTransformer.reverseTransform(rawPacketArray);
}
SourceTransferHandler transferHandler;
PushSourceStream pushSourceStream;
try {
if (isControlStream) {
transferHandler = controlTransferHandler;
pushSourceStream = getControlInputStream();
} else {
transferHandler = dataTransferHandler;
pushSourceStream = getDataInputStream();
}
} catch (IOException ioe) {
throw new UndeclaredThrowableException(ioe);
}
for (int i = 0; i < rawPacketArray.length; i++) {
RawPacket packet = rawPacketArray[i];
// keep the first element for reuse
if (i != 0) rawPacketArray[i] = null;
if (packet != null) {
if (isControlStream) pendingControlPacket = packet;
else pendingDataPacket = packet;
if (transferHandler != null) {
transferHandler.transferData(pushSourceStream);
}
}
}
return length;
}
/**
* ************************************************************** Sample Usage for VideoTransmit
* class **************************************************************
*/
public static void main(String[] args) {
// We need three parameters to do the transmission
// For example,
// java VideoTransmit file:/C:/media/test.mov 129.130.131.132 42050
if (args.length < 3) {
System.err.println("Usage: VideoTransmit <sourceURL> <destIP> <destPort>");
System.exit(-1);
}
// Create a video transmit object with the specified params.
VideoTransmit vt = new VideoTransmit(new MediaLocator(args[0]), args[1], args[2]);
// Start the transmission
String result = vt.start();
// result will be non-null if there was an error. The return
// value is a String describing the possible error. Print it.
if (result != null) {
System.err.println("Error : " + result);
System.exit(0);
}
System.err.println("Start transmission for 60 seconds...");
// Transmit for 60 seconds and then close the processor
// This is a safeguard when using a capture data source
// so that the capture device will be properly released
// before quitting.
// The right thing to do would be to have a GUI with a
// "Stop" button that would call stop on VideoTransmit
try {
Thread.currentThread().sleep(60000);
} catch (InterruptedException ie) {
}
// Stop the transmission
vt.stop();
System.err.println("...transmission ended.");
System.exit(0);
}
/** supports pushback. */
private int read(byte[] buffer, int offset, int length) throws IOException {
if (pushbackBufferLen > 0) { // read from pushback buffer
final int lenToCopy = length < pushbackBufferLen ? length : pushbackBufferLen;
System.arraycopy(pushbackBuffer, pushbackBufferOffset, buffer, offset, lenToCopy);
pushbackBufferLen -= lenToCopy;
pushbackBufferOffset += lenToCopy;
return lenToCopy;
} else {
return stream.read(buffer, offset, length);
}
}
/**
* Implements {@link ActiveSpeakerChangedListener#activeSpeakerChanged(long)}. Notifies this
* <tt>RecorderRtpImpl</tt> that the audio <tt>ReceiveStream</tt> considered active has changed,
* and that the new active stream has SSRC <tt>ssrc</tt>.
*
* @param ssrc the SSRC of the new active stream.
*/
@Override
public void activeSpeakerChanged(long ssrc) {
if (eventHandler != null) {
RecorderEvent e = new RecorderEvent();
e.setAudioSsrc(ssrc);
// TODO: how do we time this?
e.setInstant(System.currentTimeMillis());
e.setType(RecorderEvent.Type.SPEAKER_CHANGED);
e.setMediaType(MediaType.VIDEO);
eventHandler.handleEvent(e);
}
}
public synchronized void setPacketSize(int newPacketSize) {
packetSize = newPacketSize;
sample_count = packetSize;
if (history == null) {
history = new byte[packetSize];
return;
}
if (packetSize > history.length) {
byte[] newHistory = new byte[packetSize];
System.arraycopy(history, 0, newHistory, 0, historyLength);
history = newHistory;
}
}
@Override
public int read(byte[] buffer, int offset, int length) throws IOException {
RawPacket pendingPacket;
if (isControlStream) {
pendingPacket = pendingControlPacket;
} else {
pendingPacket = pendingDataPacket;
}
int bytesToRead = 0;
byte[] pendingPacketBuffer = pendingPacket.getBuffer();
if (pendingPacketBuffer != null) {
int pendingPacketLength = pendingPacket.getLength();
bytesToRead = length > pendingPacketLength ? pendingPacketLength : length;
System.arraycopy(
pendingPacketBuffer, pendingPacket.getOffset(), buffer, offset, bytesToRead);
}
return bytesToRead;
}
/** Create a media locator from the given string. */
@SuppressWarnings("unused")
static MediaLocator createMediaLocator(String url) {
MediaLocator ml;
if (url.indexOf(":") > 0 && (ml = new MediaLocator(url)) != null) {
return ml;
}
if (url.startsWith(File.separator)) {
if ((ml = new MediaLocator("file:" + url)) != null) {
return ml;
}
} else {
String file = "file:" + System.getProperty("user.dir") + File.separator + url;
if ((ml = new MediaLocator(file)) != null) {
return ml;
}
}
return 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);
}
static void prUsage() {
System.err.println("Usage: java Concat -o <output> <input> ...");
System.err.println(" <output>: input URL or file name");
System.err.println(" <input>: output URL or file name");
System.exit(0);
}
/** {@inheritDoc} */
@Override
protected int doProcess(Buffer inBuffer, Buffer outBuffer) {
byte[] inData = (byte[]) inBuffer.getData();
int inOffset = inBuffer.getOffset();
if (!VP8PayloadDescriptor.isValid(inData, inOffset)) {
logger.warn("Invalid RTP/VP8 packet discarded.");
outBuffer.setDiscard(true);
return BUFFER_PROCESSED_FAILED; // XXX: FAILED or OK?
}
long inSeq = inBuffer.getSequenceNumber();
long inRtpTimestamp = inBuffer.getRtpTimeStamp();
int inPictureId = VP8PayloadDescriptor.getPictureId(inData, inOffset);
boolean inMarker = (inBuffer.getFlags() & Buffer.FLAG_RTP_MARKER) != 0;
boolean inIsStartOfFrame = VP8PayloadDescriptor.isStartOfFrame(inData, inOffset);
int inLength = inBuffer.getLength();
int inPdSize = VP8PayloadDescriptor.getSize(inData, inOffset);
int inPayloadLength = inLength - inPdSize;
if (empty && lastSentSeq != -1 && seqNumComparator.compare(inSeq, lastSentSeq) != 1) {
if (logger.isInfoEnabled()) logger.info("Discarding old packet (while empty) " + inSeq);
outBuffer.setDiscard(true);
return BUFFER_PROCESSED_OK;
}
if (!empty) {
// if the incoming packet has a different PictureID or timestamp
// than those of the current frame, then it belongs to a different
// frame.
if ((inPictureId != -1 && pictureId != -1 && inPictureId != pictureId)
| (timestamp != -1 && inRtpTimestamp != -1 && inRtpTimestamp != timestamp)) {
if (seqNumComparator.compare(inSeq, firstSeq) != 1) // inSeq <= firstSeq
{
// the packet belongs to a previous frame. discard it
if (logger.isInfoEnabled()) logger.info("Discarding old packet " + inSeq);
outBuffer.setDiscard(true);
return BUFFER_PROCESSED_OK;
} else // inSeq > firstSeq (and also presumably isSeq > lastSeq)
{
// the packet belongs to a subsequent frame (to the one
// currently being held). Drop the current frame.
if (logger.isInfoEnabled())
logger.info(
"Discarding saved packets on arrival of"
+ " a packet for a subsequent frame: "
+ inSeq);
// TODO: this would be the place to complain about the
// not-well-received PictureID by sending a RTCP SLI or NACK.
reinit();
}
}
}
// a whole frame in a single packet. avoid the extra copy to
// this.data and output it immediately.
if (empty && inMarker && inIsStartOfFrame) {
byte[] outData = validateByteArraySize(outBuffer, inPayloadLength, false);
System.arraycopy(inData, inOffset + inPdSize, outData, 0, inPayloadLength);
outBuffer.setOffset(0);
outBuffer.setLength(inPayloadLength);
outBuffer.setRtpTimeStamp(inBuffer.getRtpTimeStamp());
if (TRACE) logger.trace("Out PictureID=" + inPictureId);
lastSentSeq = inSeq;
return BUFFER_PROCESSED_OK;
}
// add to this.data
Container container = free.poll();
if (container == null) container = new Container();
if (container.buf == null || container.buf.length < inPayloadLength)
container.buf = new byte[inPayloadLength];
if (data.get(inSeq) != null) {
if (logger.isInfoEnabled())
logger.info("(Probable) duplicate packet detected, discarding " + inSeq);
outBuffer.setDiscard(true);
return BUFFER_PROCESSED_OK;
}
System.arraycopy(inData, inOffset + inPdSize, container.buf, 0, inPayloadLength);
container.len = inPayloadLength;
data.put(inSeq, container);
// update fields
frameLength += inPayloadLength;
if (firstSeq == -1 || (seqNumComparator.compare(firstSeq, inSeq) == 1)) firstSeq = inSeq;
if (lastSeq == -1 || (seqNumComparator.compare(inSeq, lastSeq) == 1)) lastSeq = inSeq;
if (empty) {
// the first received packet for the current frame was just added
empty = false;
timestamp = inRtpTimestamp;
pictureId = inPictureId;
}
if (inMarker) haveEnd = true;
if (inIsStartOfFrame) haveStart = true;
// check if we have a full frame
if (frameComplete()) {
byte[] outData = validateByteArraySize(outBuffer, frameLength, false);
int ptr = 0;
Container b;
for (Map.Entry<Long, Container> entry : data.entrySet()) {
b = entry.getValue();
System.arraycopy(b.buf, 0, outData, ptr, b.len);
ptr += b.len;
}
outBuffer.setOffset(0);
outBuffer.setLength(frameLength);
outBuffer.setRtpTimeStamp(inBuffer.getRtpTimeStamp());
if (TRACE) logger.trace("Out PictureID=" + inPictureId);
lastSentSeq = lastSeq;
// prepare for the next frame
reinit();
return BUFFER_PROCESSED_OK;
} else {
// frame not complete yet
outBuffer.setDiscard(true);
return OUTPUT_BUFFER_NOT_FILLED;
}
}
/**
* 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);
}
}
@Override
public void keyPressed(KeyEvent arg0) {
if (arg0.getKeyCode() == 67) // C
{
// Are we allowed to capture a new image?
if (framenr - lastcapture_framenr > number_of_frames_betweencaptures) {
captureImage();
cw.setVisible(false);
if (timer != null) timer.cancel();
cwText.setText(""); // Empty text
lastcapture_framenr = framenr;
cwTimer.cancel();
if (number_of_second_showcapturetext > 0) {
cwText.setText("Bildet ble lagret ...");
TimerTask task =
new TimerTask() {
@Override
public void run() {
EventQueue.invokeLater(
new Runnable() {
public void run() {
cwText.setText(""); // Empty text
}
});
}
};
timer = new Timer();
timer.schedule(task, (int) (number_of_second_showcapturetext * 1000));
}
} else {
// Console debug:
// System.out.println("At framenr " + framenr + ", " + (framenr-lastcapture_framenr) +
// "frames has passed, should be " +number_of_frames_betweencaptures);
// System.out.println("You must wait an other "+
//
// (int)Math.ceil(((double)number_of_frames_betweencaptures-(double)(framenr-lastcapture_framenr))/fps) +
// " seconds");
TimerTask task =
new TimerTask() {
boolean finished = false;
@Override
public void run() {
EventQueue.invokeLater(
new Runnable() {
public void run() {
if (!finished) {
if ((int)
Math.ceil(
((double) number_of_frames_betweencaptures
- (double) (framenr - lastcapture_framenr))
/ fps)
> 0) {
cwText.setText(
"Du må vente "
+ (int)
Math.ceil(
((double) number_of_frames_betweencaptures
- (double) (framenr - lastcapture_framenr))
/ fps)
+ " sekunder før nytt bilde");
} else {
finished = true;
cwText.setText("Du kan nå ta nytt bilde");
}
}
}
});
}
};
timer = new Timer();
timer.schedule(task, 0, (1000 / fps)); // Update for every frame
}
} else if (arg0.getKeyCode() == 27) // Escape
{
System.out.println("Escape pressed, exiting");
System.exit(0);
}
}
public int process(Buffer inputBuffer, Buffer outputBuffer) {
if (pendingFrames > 0) {
// System.out.println("packetizing");
return BUFFER_PROCESSED_OK;
}
if (!checkInputBuffer(inputBuffer)) {
return BUFFER_PROCESSED_FAILED;
}
if (isEOM(inputBuffer)) {
propagateEOM(outputBuffer);
return BUFFER_PROCESSED_OK;
}
int inpOffset = inputBuffer.getOffset();
int inpLength = inputBuffer.getLength();
int outLength = 0;
int outOffset = 0;
byte[] inpData = (byte[]) inputBuffer.getData();
byte[] outData =
validateByteArraySize(outputBuffer, calculateOutputSize(inpData.length + historySize));
int historyLength = history.getLength();
byte[] historyData = validateByteArraySize(history, historySize);
int framesNumber = calculateFramesNumber(inpData.length + historySize);
if ((regions == null) || (regions.length < framesNumber + 1))
regions = new int[framesNumber + 1];
if ((regionsTypes == null) || (regionsTypes.length < framesNumber))
regionsTypes = new int[framesNumber];
if (historyLength != 0) {
int bytesToCopy = (historyData.length - historyLength);
if (bytesToCopy > inpLength) {
bytesToCopy = inpLength;
}
System.arraycopy(inpData, inpOffset, historyData, historyLength, bytesToCopy);
codecProcess(
historyData,
0,
outData,
outOffset,
historyLength + bytesToCopy,
readBytes,
writeBytes,
frameNumber,
regions,
regionsTypes);
if (readBytes[0] <= 0) {
if (writeBytes[0] <= 0) {
// System.err.println("Returning output buffer not filled");
return OUTPUT_BUFFER_NOT_FILLED;
} else {
updateOutput(outputBuffer, outputFormat, writeBytes[0], 0);
// System.err.println("Returning OK");
return BUFFER_PROCESSED_OK;
}
}
// System.out.println("1: "+inpLength+" "+readBytes[0]+" "+writeBytes[0]);
outOffset += writeBytes[0];
outLength += writeBytes[0];
inpOffset += (readBytes[0] - historyLength);
inpLength += (historyLength - readBytes[0]);
}
codecProcess(
inpData,
inpOffset,
outData,
outOffset,
inpLength,
readBytes,
writeBytes,
frameNumber,
regions,
regionsTypes);
// System.out.println("2: "+inpLength+" "+readBytes[0]+" "+writeBytes[0]);
// debug
// for (int i=0; i<frameNumber[0];i++ ) {
// System.out.println(i+" "+regions[i]+" - "+regions[i+1]+" type "+regionsTypes[i]);
// }
outLength += writeBytes[0];
inpOffset += readBytes[0];
inpLength -= readBytes[0];
System.arraycopy(inpData, inpOffset, historyData, 0, inpLength);
history.setLength(inpLength);
updateOutput(outputBuffer, outputFormat, outLength, 0);
return BUFFER_PROCESSED_OK;
}
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 67) // C
{
if (captureWindow) {
this.openCaptureWindow();
} else {
this.captureImage();
}
} else if (e.getKeyCode() == 27) // Escape
{
System.out.println("Escape pressed, exiting");
System.exit(0);
} else if (e.getKeyCode() == 84) // t
{
// Testing purpose
for (int i = 0; i < images.size(); i++) {
System.out.println("image " + i + ", used? " + images_used.contains((Integer) i));
}
} else if (e.getKeyCode() == 89) // y
{
// Testing purpose
System.out.println("getRandomImageNum() = " + getRandomImageNum());
} else if (e.getKeyCode() == 73) // i
{
// Testing purpose
System.out.println("LAST ADDED");
for (int i = 0; i < images_lastadded.size(); i++) {
System.out.println(
i
+ " - image "
+ images_lastadded.get(i)
+ ", used? "
+ images_used.contains((Integer) images_lastadded.get(i)));
}
} else if (e.getKeyCode() == 85) // u
{
// Testing purpose
for (int i = 0; i < imagepanels.length; i++) {
for (int j = 0; j < imagepanels[i].imagenum_now.length; j++) {
for (int j2 = 0; j2 < imagepanels[i].imagenum_now[j].length; j2++) {
String print1;
if (imagepanels[i].imagenum_now[j][j2] < 10)
print1 = " " + imagepanels[i].imagenum_now[j][j2];
else if (imagepanels[i].imagenum_now[j][j2] < 100)
print1 = " " + imagepanels[i].imagenum_now[j][j2];
else print1 = "" + imagepanels[i].imagenum_now[j][j2];
String print2;
if (imagepanels[i].imagenum_next[j][j2] < 10)
print2 = " " + imagepanels[i].imagenum_next[j][j2];
else if (imagepanels[i].imagenum_next[j][j2] < 100)
print2 = " " + imagepanels[i].imagenum_next[j][j2];
else print2 = "" + imagepanels[i].imagenum_next[j][j2];
System.out.println(
"imagepanels["
+ i
+ "]."
+ "imagenum_now["
+ j
+ "]["
+ j2
+ "] = "
+ print1
+ ", next = "
+ print2);
}
}
}
} else {
displayInfo(e, "KEY TYPED: ");
}
}
public WebcamCaptureAndFadePanel(String saveDir, String layout) {
System.out.println("Using " + saveDir + " as directory for the images.");
saveDirectory = saveDir;
getImages();
images_used = new ArrayList<Integer>();
images_lastadded = new ArrayList<Integer>();
images_nevershown = new ArrayList<Integer>();
Vector devices = (Vector) CaptureDeviceManager.getDeviceList(null).clone();
Enumeration enumeration = devices.elements();
System.out.println("- Available cameras -");
ArrayList<String> names = new ArrayList<String>();
while (enumeration.hasMoreElements()) {
CaptureDeviceInfo cdi = (CaptureDeviceInfo) enumeration.nextElement();
String name = cdi.getName();
if (name.startsWith("vfw:")) {
names.add(name);
System.out.println(name);
}
}
// String str1 = "vfw:Logitech USB Video Camera:0";
// String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
if (names.size() == 0) {
JOptionPane.showMessageDialog(
null,
"Ingen kamera funnet. " + "Du må koble til et kamera for å kjøre programmet.",
"Feil",
JOptionPane.ERROR_MESSAGE);
System.exit(0);
} else if (names.size() > 1) {
JOptionPane.showMessageDialog(
null,
"Fant mer enn 1 kamera. " + "Velger da:\n" + names.get(0),
"Advarsel",
JOptionPane.WARNING_MESSAGE);
}
String str2 = names.get(0);
di = CaptureDeviceManager.getDevice(str2);
ml = di.getLocator();
try {
player = Manager.createRealizedPlayer(ml);
formatControl = (FormatControl) player.getControl("javax.media.control.FormatControl");
/*
Format[] formats = formatControl.getSupportedFormats();
for (int i=0; i<formats.length; i++)
System.out.println(formats[i].toString());
*/
player.start();
} catch (javax.media.NoPlayerException e) {
JOptionPane.showMessageDialog(
null,
"Klarer ikke å starte" + " programmet pga. feil med kamera. Sjekk at det er koblet til.",
"IOException",
JOptionPane.ERROR_MESSAGE);
System.exit(0);
} catch (Exception e) {
e.printStackTrace();
System.exit(0);
}
/*
* Layout
*
* Add
* - comp
* - imagepanels
*/
if (layout.equals("1024v2")) {
layout1024v2();
} else if (layout.equals("1280")) {
layout1280();
} else {
layout1024();
}
// Capture Window
if (captureWindow) {
cw = new JFrame("Capture from webcam");
cw.setAlwaysOnTop(true);
cw.setSize(sizeCaptureWindow_x, sizeCaptureWindow_y);
cw.addKeyListener(new captureWindowKeyListner());
cw.setUndecorated(true);
// Add webcam
if ((comp = player.getVisualComponent()) != null) {
cw.add(comp);
}
// Add panel to window and set location of window
cw.setLocation(cwLocation_x, cwLocation_y);
}
// Text window
cwText = new rotatedText("");
/*
* Timer for update
*/
Timer thread = new Timer();
thread.schedule(new frameUpdateTask(), 0, (1000 / fps));
}