/** * Notifies this <tt>Conference</tt> that the ordered list of <tt>Endpoint</tt>s of {@link * #speechActivity} i.e. the dominant speaker history has changed. * * <p>This instance notifies the video <tt>Channel</tt>s about the change so that they may update * their last-n lists and report to this instance which <tt>Endpoint</tt>s are to be asked for * video keyframes. */ private void speechActivityEndpointsChanged() { List<Endpoint> endpoints = null; for (Content content : getContents()) { if (MediaType.VIDEO.equals(content.getMediaType())) { Set<Endpoint> endpointsToAskForKeyframes = null; endpoints = speechActivity.getEndpoints(); for (Channel channel : content.getChannels()) { if (!(channel instanceof RtpChannel)) continue; RtpChannel rtpChannel = (RtpChannel) channel; List<Endpoint> channelEndpointsToAskForKeyframes = rtpChannel.speechActivityEndpointsChanged(endpoints); if ((channelEndpointsToAskForKeyframes != null) && !channelEndpointsToAskForKeyframes.isEmpty()) { if (endpointsToAskForKeyframes == null) { endpointsToAskForKeyframes = new HashSet<>(); } endpointsToAskForKeyframes.addAll(channelEndpointsToAskForKeyframes); } } if ((endpointsToAskForKeyframes != null) && !endpointsToAskForKeyframes.isEmpty()) { content.askForKeyframes(endpointsToAskForKeyframes); } } } }
/** * Gets the <tt>WebRtcDataStreamListener</tt>s added to this instance. * * @return the <tt>WebRtcDataStreamListener</tt>s added to this instance or <tt>null</tt> if there * are no <tt>WebRtcDataStreamListener</tt>s added to this instance */ private WebRtcDataStreamListener[] getChannelListeners() { WebRtcDataStreamListener[] ls; synchronized (listeners) { if (listeners.isEmpty()) { ls = null; } else { ls = listeners.toArray(new WebRtcDataStreamListener[listeners.size()]); } } return ls; }