/** * Iterate through all the <tt>ReceiveStream</tt>s that this <tt>MediaStream</tt> has and make * <tt>RTCPReportBlock</tt>s for all of them. * * @param time * @return */ private RTCPReportBlock[] makeRTCPReportBlocks(long time) { MediaStream stream = getStream(); // State validation. if (stream == null) { logger.warn("stream is null."); return MIN_RTCP_REPORTS_BLOCKS_ARRAY; } StreamRTPManager streamRTPManager = stream.getStreamRTPManager(); if (streamRTPManager == null) { logger.warn("streamRTPManager is null."); return MIN_RTCP_REPORTS_BLOCKS_ARRAY; } Collection<ReceiveStream> receiveStreams = streamRTPManager.getReceiveStreams(); if (receiveStreams == null || receiveStreams.size() == 0) { logger.info("There are no receive streams to build report " + "blocks for."); return MIN_RTCP_REPORTS_BLOCKS_ARRAY; } SSRCCache cache = streamRTPManager.getSSRCCache(); if (cache == null) { logger.info("cache is null."); return MIN_RTCP_REPORTS_BLOCKS_ARRAY; } // Create the return object. Collection<RTCPReportBlock> rtcpReportBlocks = new ArrayList<RTCPReportBlock>(); // Populate the return object. for (ReceiveStream receiveStream : receiveStreams) { // Dig into the guts of FMJ and get the stats for the current // receiveStream. SSRCInfo info = cache.cache.get((int) receiveStream.getSSRC()); if (!info.ours && info.sender) { RTCPReportBlock rtcpReportBlock = info.makeReceiverReport(time); rtcpReportBlocks.add(rtcpReportBlock); } } return rtcpReportBlocks.toArray(new RTCPReportBlock[rtcpReportBlocks.size()]); }