/** * Re-initializes the fields which store information about the currently held data. Empties * <tt>data</tt>. */ private void reinit() { firstSeq = lastSeq = timestamp = -1; pictureId = -1; empty = true; haveEnd = haveStart = false; frameLength = 0; Iterator<Map.Entry<Long, Container>> it = data.entrySet().iterator(); Map.Entry<Long, Container> e; while (it.hasNext()) { e = it.next(); free.offer(e.getValue()); it.remove(); } }
/** * Makes sure that conference is allocated for given <tt>room</tt>. * * @param room name of the MUC room of Jitsi Meet conference. * @param properties configuration properties, see {@link JitsiMeetConfig} for the list of valid * properties. * @throws Exception if any error occurs. */ private void createConference(String room, Map<String, String> properties) throws Exception { JitsiMeetConfig config = new JitsiMeetConfig(properties); JitsiMeetConference conference = new JitsiMeetConference(room, focusUserName, protocolProviderHandler, this, config); conferences.put(room, conference); StringBuilder options = new StringBuilder(); for (Map.Entry<String, String> option : properties.entrySet()) { options.append("\n ").append(option.getKey()).append(": ").append(option.getValue()); } logger.info( "Created new focus for " + room + "@" + focusUserDomain + " conferences count: " + conferences.size() + " options:" + options.toString()); // Send focus created event EventAdmin eventAdmin = FocusBundleActivator.getEventAdmin(); if (eventAdmin != null) { eventAdmin.sendEvent(EventFactory.focusCreated(conference.getId(), conference.getRoomName())); } try { conference.start(); } catch (Exception e) { logger.info("Exception while trying to start the conference", e); // stop() method is called by the conference automatically in order // to not release the lock on JitsiMeetConference instance and avoid // a deadlock. It may happen when this thread is about to call // conference.stop() and another thread has entered the method // before us. That other thread will try to call // FocusManager.conferenceEnded, but we're still holding the lock // on FocusManager instance. // conference.stop(); throw e; } }
/** * Makes <tt>RTCPSDES</tt> packets for all the RTP streams that we're sending. * * @return a <tt>List</tt> of <tt>RTCPSDES</tt> packets for all the RTP streams that we're * sending. */ private RTCPSDESPacket makeSDESPacket() { Collection<RTCPSDES> sdesChunks = new ArrayList<RTCPSDES>(); // Create an SDES for our own SSRC. RTCPSDES ownSDES = new RTCPSDES(); SSRCInfo ourinfo = getStream().getStreamRTPManager().getSSRCCache().ourssrc; ownSDES.ssrc = (int) getLocalSSRC(); Collection<RTCPSDESItem> ownItems = new ArrayList<RTCPSDESItem>(); ownItems.add(new RTCPSDESItem(RTCPSDESItem.CNAME, ourinfo.sourceInfo.getCNAME())); // Throttle the source description bandwidth. See RFC3550#6.3.9 // Allocation of Source Description Bandwidth. if (sdesCounter % 3 == 0) { if (ourinfo.name != null && ourinfo.name.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.NAME, ourinfo.name.getDescription())); if (ourinfo.email != null && ourinfo.email.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.EMAIL, ourinfo.email.getDescription())); if (ourinfo.phone != null && ourinfo.phone.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.PHONE, ourinfo.phone.getDescription())); if (ourinfo.loc != null && ourinfo.loc.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.LOC, ourinfo.loc.getDescription())); if (ourinfo.tool != null && ourinfo.tool.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.TOOL, ourinfo.tool.getDescription())); if (ourinfo.note != null && ourinfo.note.getDescription() != null) ownItems.add(new RTCPSDESItem(RTCPSDESItem.NOTE, ourinfo.note.getDescription())); } sdesCounter++; ownSDES.items = ownItems.toArray(new RTCPSDESItem[ownItems.size()]); sdesChunks.add(ownSDES); for (Map.Entry<Integer, byte[]> entry : cnameRegistry.entrySet()) { RTCPSDES sdes = new RTCPSDES(); sdes.ssrc = entry.getKey(); sdes.items = new RTCPSDESItem[] {new RTCPSDESItem(RTCPSDESItem.CNAME, entry.getValue())}; } RTCPSDES[] sps = sdesChunks.toArray(new RTCPSDES[sdesChunks.size()]); RTCPSDESPacket sp = new RTCPSDESPacket(sps); return sp; }
/** * Makes sure that conference is allocated for given <tt>room</tt>. * * @param room name of the MUC room of Jitsi Meet conference. * @param properties configuration properties, see {@link JitsiMeetConfig} for the list of valid * properties. * @throws Exception if any error occurs. */ private void createConference(String room, Map<String, String> properties) throws Exception { JitsiMeetConfig config = new JitsiMeetConfig(properties); JitsiMeetConference conference = new JitsiMeetConference(room, focusUserName, protocolProviderHandler, this, config); conferences.put(room, conference); StringBuilder options = new StringBuilder(); for (Map.Entry<String, String> option : properties.entrySet()) { options.append("\n ").append(option.getKey()).append(": ").append(option.getValue()); } logger.info( "Created new focus for " + room + "@" + focusUserDomain + " conferences count: " + conferences.size() + " options:" + options.toString()); // Send focus created event EventAdmin eventAdmin = FocusBundleActivator.getEventAdmin(); if (eventAdmin != null) { eventAdmin.sendEvent(EventFactory.focusCreated(conference.getId(), conference.getRoomName())); } try { conference.start(); } catch (Exception e) { logger.info("Exception while trying to start the conference", e); conference.stop(); throw e; } }
/** * Notifies this instance that the dynamic payload types of the associated {@link MediaStream} * have changed. */ public void onDynamicPayloadTypesChanged() { rtxPayloadType = -1; rtxAssociatedPayloadType = -1; MediaStream mediaStream = channel.getStream(); Map<Byte, MediaFormat> mediaFormatMap = mediaStream.getDynamicRTPPayloadTypes(); Iterator<Map.Entry<Byte, MediaFormat>> it = mediaFormatMap.entrySet().iterator(); while (it.hasNext() && rtxPayloadType == -1) { Map.Entry<Byte, MediaFormat> entry = it.next(); MediaFormat format = entry.getValue(); if (!Constants.RTX.equalsIgnoreCase(format.getEncoding())) { continue; } // XXX(gp) we freak out if multiple codecs with RTX support are // present. rtxPayloadType = entry.getKey(); rtxAssociatedPayloadType = Byte.parseByte(format.getFormatParameters().get("apt")); } }
/** {@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; } }