优化对讲逻辑

648540858

2022-07-03 72c1b36d6d2ece497e032c8434641d6576590f9d

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java

@@ -19,16 +19,16 @@
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.gb28181.utils.XmlUtil;
import com.genersoft.iot.vmp.media.zlm.ZLMHttpHookSubscribe;
import com.genersoft.iot.vmp.media.zlm.ZLMMediaListManager;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
import com.genersoft.iot.vmp.media.zlm.dto.MediaItem;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItemLite;
import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
import com.genersoft.iot.vmp.service.IMediaServerService;
import com.genersoft.iot.vmp.service.IMediaService;
import com.genersoft.iot.vmp.service.IPlayService;
import com.genersoft.iot.vmp.service.IStreamPushService;
import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
@@ -58,8 +58,6 @@
import javax.sip.message.Response;
import java.text.ParseException;
import java.time.Instant;
import java.util.Date;
import java.util.List;
import java.util.Vector;

/**
@@ -106,11 +104,11 @@
    @Autowired
    private IMediaServerService mediaServerService;

   @Autowired
   private ZLMRESTfulUtils zlmresTfulUtils;
    @Autowired
    private IMediaService mediaService;

   @Autowired
   private IMediaServerService mediaServerService;
   private ZLMRESTfulUtils zlmresTfulUtils;

    @Autowired
    private SIPProcessorObserver sipProcessorObserver;
@@ -171,7 +169,7 @@
            // 查询请求是否来自上级平台\设备
            ParentPlatform platform = storager.queryParentPlatByServerGBId(requesterId);
            if (platform == null) {
                inviteFromDeviceHandle(evt, requesterId);
                inviteFromDeviceHandle(evt, requesterId, channelId);
            } else {
                // 查询平台下是否有该通道
                DeviceChannel channel = storager.queryChannelInParentPlatform(requesterId, channelId);
@@ -724,10 +722,16 @@
        }
    }

    public void inviteFromDeviceHandle(RequestEvent evt, String requesterId) throws InvalidArgumentException, ParseException, SipException, SdpException {
    public void inviteFromDeviceHandle(RequestEvent evt, String requesterId, String channelId1) throws InvalidArgumentException, ParseException, SipException, SdpException {

        // 非上级平台请求，查询是否设备请求（通常为接收语音广播的设备）
        Device device = redisCatchStorage.getDevice(requesterId);
        AudioBroadcastCatch audioBroadcastCatch = audioBroadcastManager.get(requesterId, channelId1);
        if (audioBroadcastCatch == null) {
            logger.warn("来自设备的Invite请求非语音广播，已忽略");
            responseAck(evt, Response.FORBIDDEN);
            return;
        }
        Request request = evt.getRequest();
        if (device != null) {
            logger.info("收到设备" + requesterId + "的语音广播Invite请求");
@@ -740,7 +744,7 @@
            int ssrcIndex = contentString.indexOf("y=");
            if (ssrcIndex > 0) {
                substring = contentString.substring(0, ssrcIndex);
                ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12);
                ssrc = contentString.substring(ssrcIndex + 2, ssrcIndex + 12).trim();
            }
            ssrcIndex = substring.indexOf("f=");
            if (ssrcIndex > 0) {
@@ -750,13 +754,13 @@

            //  获取支持的格式
            Vector mediaDescriptions = sdp.getMediaDescriptions(true);

            // 查看是否支持PS 负载96
            int port = -1;
            //boolean recvonly = false;
            boolean mediaTransmissionTCP = false;
            Boolean tcpActive = null;
            for (int i = 0; i < mediaDescriptions.size(); i++) {
                MediaDescription mediaDescription = (MediaDescription) mediaDescriptions.get(i);
                MediaDescription mediaDescription = (MediaDescription)mediaDescriptions.get(i);
                Media media = mediaDescription.getMedia();

                Vector mediaFormats = media.getMediaFormats(false);
@@ -784,233 +788,252 @@
                responseAck(evt, Response.UNSUPPORTED_MEDIA_TYPE); // 不支持的格式，发415
                return;
            }
            String username = sdp.getOrigin().getUsername();
            String addressStr = sdp.getOrigin().getAddress();
            logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}", username, addressStr, port, ssrc);
            logger.info("设备{}请求语音流，地址：{}:{}，ssrc：{}", requesterId, addressStr, port, ssrc);

            MediaServerItem mediaServerItem = playService.getNewMediaServerItem(device);
            if (mediaServerItem == null) {
                logger.warn("未找到可用的zlm");
                responseAck(evt, Response.BUSY_HERE);
                return;
            }
            SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
                    device.getDeviceId(), audioBroadcastCatch.getChannelId(),
                    mediaTransmissionTCP);
            if (sendRtpItem == null) {
                logger.warn("服务器端口资源不足");
                responseAck(evt, Response.BUSY_HERE);
                return;
            }
            sendRtpItem.setTcp(mediaTransmissionTCP);
            if (tcpActive != null) {
                sendRtpItem.setTcpActive(tcpActive);
            }
            String app = "broadcast";
            String stream = device.getDeviceId() + "_" + audioBroadcastCatch.getChannelId();

            CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
            sendRtpItem.setPlayType(InviteStreamType.PLAY);
            sendRtpItem.setCallId(callIdHeader.getCallId());
            sendRtpItem.setPlatformId(requesterId);
            sendRtpItem.setStatus(1);
            sendRtpItem.setApp(app);
            sendRtpItem.setStreamId(stream);
            sendRtpItem.setPt(8);
            sendRtpItem.setUsePs(false);
            sendRtpItem.setOnlyAudio(true);
            redisCatchStorage.updateSendRTPSever(sendRtpItem);

            // hook监听等待设备推流上来
            // 添加订阅
            JSONObject subscribeKey = new JSONObject();
            subscribeKey.put("app", app);
            subscribeKey.put("stream", stream);
            subscribeKey.put("regist", true);
            subscribeKey.put("schema", "rtmp");
            subscribeKey.put("mediaServerId", mediaServerItem.getId());
            String finalSsrc = ssrc;
            // 流已经存在时直接推流
//            JSONObject mediaInfo = zlmresTfulUtils.getMediaList(mediaServerItem, app, stream);
//            System.out.println(mediaInfo != null);
//            System.out.println(mediaInfo);
//            if (mediaInfo != null &&
//                    (mediaInfo.getInteger("code") != null && mediaInfo.getInteger("code") == 0
//                            && mediaInfo.getJSONArray("data") != null && mediaInfo.getJSONArray("data").size() > 0)) {
//                logger.info("发现已经在推流");
//                JSONArray tracks = mediaInfo.getJSONArray("data").getJSONObject(0).getJSONArray("tracks");
//                Integer codecId = null;
//                if (tracks != null && tracks.size() > 0) {
//                    for (int i = 0; i < tracks.size(); i++) {
//                        MediaItem.MediaTrack track = JSON.toJavaObject((JSON)tracks.get(i),MediaItem.MediaTrack.class);
//                        if (track.getCodecType() == 1) {
//                            codecId = track.getCodecId();
//                            break;
//                        }
//                    }
//                }
//                sendRtpItem.setStatus(2);
//                redisCatchStorage.updateSendRTPSever(sendRtpItem);
//                StringBuffer content = new StringBuffer(200);
//                content.append("v=0\r\n");
//                content.append("o="+ config.getId() +" "+ sdp.getOrigin().getSessionId() +" " + sdp.getOrigin().getSessionVersion()  + " IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
//                content.append("s=Play\r\n");
//                content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
//                content.append("t=0 0\r\n");
//                if (codecId == null) {
//                    if (mediaTransmissionTCP) {
//                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
//                    }else {
//                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
//                    }
//
//                    content.append("a=rtpmap:8 PCMA/8000\r\n");
//                }else {
//                    if (codecId == 4) {
//                        if (mediaTransmissionTCP) {
//                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 0\r\n");
//                        }else {
//                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 0\r\n");
//                        }
//                        content.append("a=rtpmap:0 PCMU/8000\r\n");
//                    }else {
//                        if (mediaTransmissionTCP) {
//                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
//                        }else {
//                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
//                        }
//                        content.append("a=rtpmap:8 PCMA/8000\r\n");
//                    }
//                }
//                if (sendRtpItem.isTcp()) {
//                    content.append("a=connection:new\r\n");
//                    if (!sendRtpItem.isTcpActive()) {
//                        content.append("a=setup:active\r\n");
//                    }else {
//                        content.append("a=setup:passive\r\n");
//                    }
//                }
//                content.append("a=sendonly\r\n");
//                content.append("y="+ finalSsrc + "\r\n");
//                content.append("f=v/////a/1/8/1\r\n");
//
//                ParentPlatform parentPlatform = new ParentPlatform();
//                parentPlatform.setServerIP(device.getIp());
//                parentPlatform.setServerPort(device.getPort());
//                parentPlatform.setServerGBId(device.getDeviceId());
//                try {
//                    responseSdpAck(evt, content.toString(), parentPlatform);
//                    Dialog dialog = evt.getDialog();
//                    audioBroadcastCatch.setDialog((SIPDialog) dialog);
//                    audioBroadcastCatch.setRequest((SIPRequest) request);
//                    audioBroadcastManager.update(audioBroadcastCatch);
//                } catch (SipException e) {
//                    throw new RuntimeException(e);
//                } catch (InvalidArgumentException e) {
//                    throw new RuntimeException(e);
//                } catch (ParseException e) {
//                    throw new RuntimeException(e);
//                }
//            }else {
                // 流不存在时监听流上线
                // 设置等待推流的超时; 默认20s
                String waiteStreamTimeoutTaskKey = "waite-stream-" + device.getDeviceId() + audioBroadcastCatch.getChannelId();
                dynamicTask.startDelay(waiteStreamTimeoutTaskKey, ()->{
                    logger.info("等待推流超时: {}/{}", app, stream);
                    subscribe.removeSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey);
                    playService.stopAudioBroadcast(device.getDeviceId(), audioBroadcastCatch.getChannelId());
                    // 发送bye
                    try {
                        responseAck(evt, Response.BUSY_HERE);
                    } catch (SipException e) {
                        throw new RuntimeException(e);
                    } catch (InvalidArgumentException e) {
                        throw new RuntimeException(e);
                    } catch (ParseException e) {
                        throw new RuntimeException(e);
                    }
                }, 20*1000);

                boolean finalMediaTransmissionTCP = mediaTransmissionTCP;
                subscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey,
                        (MediaServerItem mediaServerItemInUse, JSONObject json)->{
                            logger.info("收到语音对讲推流");
                            MediaItem mediaItem = JSON.toJavaObject(json, MediaItem.class);
                            Integer audioCodecId = null;
                            if (mediaItem.getTracks() != null && mediaItem.getTracks().size() > 0) {
                                for (int i = 0; i < mediaItem.getTracks().size(); i++) {
                                    MediaItem.MediaTrack mediaTrack = mediaItem.getTracks().get(i);
                                    if (mediaTrack.getCodecType() == 1) {
                                        audioCodecId = mediaTrack.getCodecId();
                                        break;
                                    }
                                }
                            }

                            try {
                                sendRtpItem.setStatus(2);
                                redisCatchStorage.updateSendRTPSever(sendRtpItem);
                                StringBuffer content = new StringBuffer(200);
                                content.append("v=0\r\n");
                                content.append("o="+ config.getId() +" "+ sdp.getOrigin().getSessionId() +" " + sdp.getOrigin().getSessionVersion()  + " IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
                                content.append("s=Play\r\n");
                                content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
                                content.append("t=0 0\r\n");
                                if (audioCodecId == null) {
                                    if (finalMediaTransmissionTCP) {
                                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
                                    }else {
                                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
                                    }

                                    content.append("a=rtpmap:8 PCMA/8000\r\n");
                                }else {
                                    if (audioCodecId == 4) {
                                        if (finalMediaTransmissionTCP) {
                                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 0\r\n");
                                        }else {
                                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 0\r\n");
                                        }
                                        content.append("a=rtpmap:0 PCMU/8000\r\n");
                                    }else {
                                        if (finalMediaTransmissionTCP) {
                                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
                                        }else {
                                            content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
                                        }
                                        content.append("a=rtpmap:8 PCMA/8000\r\n");
                                    }
                                }
                                content.append("a=sendonly\r\n");
                                if (sendRtpItem.isTcp()) {
                                    content.append("a=connection:new\r\n");
                                    if (!sendRtpItem.isTcpActive()) {
                                        content.append("a=setup:active\r\n");
                                    }else {
                                        content.append("a=setup:passive\r\n");
                                    }
                                }
                                content.append("y="+ finalSsrc + "\r\n");
                                content.append("f=v/////a/1/8/1\r\n");

                                ParentPlatform parentPlatform = new ParentPlatform();
                                parentPlatform.setServerIP(device.getIp());
                                parentPlatform.setServerPort(device.getPort());
                                parentPlatform.setServerGBId(device.getDeviceId());

                                responseSdpAck(evt, content.toString(), parentPlatform);
                                Dialog dialog = evt.getDialog();
                                audioBroadcastCatch.setDialog((SIPDialog) dialog);
                                audioBroadcastCatch.setRequest((SIPRequest) request);
                                audioBroadcastManager.update(audioBroadcastCatch);
                            } catch (SipException e) {
                                throw new RuntimeException(e);
                            } catch (InvalidArgumentException e) {
                                throw new RuntimeException(e);
                            } catch (ParseException e) {
                                throw new RuntimeException(e);
                            } catch (SdpParseException e) {
                                throw new RuntimeException(e);
                            }
                        });
//            }
            String key = DeferredResultHolder.CALLBACK_CMD_BROADCAST + device.getDeviceId();
            WVPResult<AudioBroadcastResult> wvpResult = new WVPResult<>();
            wvpResult.setCode(0);
            wvpResult.setMsg("success");
            AudioBroadcastResult audioBroadcastResult = new AudioBroadcastResult();
            audioBroadcastResult.setApp(app);
            audioBroadcastResult.setStream(stream);
            audioBroadcastResult.setStreamInfo(mediaService.getStreamInfoByAppAndStream(mediaServerItem, app, stream, null, null, false));
            audioBroadcastResult.setCodec("G.711");
            wvpResult.setData(audioBroadcastResult);
            RequestMessage requestMessage = new RequestMessage();
            requestMessage.setKey(key);
            requestMessage.setData(wvpResult);
            resultHolder.invokeAllResult(requestMessage);
        } else {
            logger.warn("来自无效设备/平台的请求");
            responseAck(evt, Response.BAD_REQUEST);
        }
    }
         CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
         sendRtpItem.setPlayType(InviteStreamType.PLAY);
         sendRtpItem.setCallId(callIdHeader.getCallId());
         sendRtpItem.setPlatformId(requesterId);
         sendRtpItem.setStatus(1);
         sendRtpItem.setApp(app);
         sendRtpItem.setStreamId(stream);
         sendRtpItem.setPt(8);
         sendRtpItem.setUsePs(false);
         sendRtpItem.setOnlyAudio(true);
         redisCatchStorage.updateSendRTPSever(sendRtpItem);

         // hook监听等待设备推流上来
         // 添加订阅
         JSONObject subscribeKey = new JSONObject();
         subscribeKey.put("app", app);
         subscribeKey.put("stream", stream);
         subscribeKey.put("regist", true);
         subscribeKey.put("schema", "rtmp");
         subscribeKey.put("mediaServerId", mediaServerItem.getId());
         String finalSsrc = ssrc;
         // 流已经存在时直接推流
         JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo(mediaServerItem, app, "rtsp", stream);
         JSONArray tracks = mediaInfo.getJSONArray("tracks");
         Integer codecId = null;
         if (tracks != null && tracks.size() > 0) {
            for (int i = 0; i < tracks.size(); i++) {
               MediaItem.MediaTrack track = JSON.toJavaObject((JSON)tracks.get(i),MediaItem.MediaTrack.class);
               if (track.getCodecType() == 1) {
                  codecId = track.getCodecId();
                  break;
               }
            }
         }
         if ((mediaInfo.getInteger("code") == 0 && mediaInfo.getBoolean("online"))) {
            logger.info("发现已经在推流");
            sendRtpItem.setStatus(2);
            redisCatchStorage.updateSendRTPSever(sendRtpItem);
            StringBuffer content = new StringBuffer(200);
            content.append("v=0\r\n");
            content.append("o="+ config.getId() +" "+ sdp.getOrigin().getSessionId() +" " + sdp.getOrigin().getSessionVersion()  + " IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
            content.append("s=Play\r\n");
            content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
            content.append("t=0 0\r\n");
            if (codecId == null) {
               if (mediaTransmissionTCP) {
                  content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
               }else {
                  content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
               }

               content.append("a=rtpmap:8 PCMA/8000\r\n");
            }else {
               if (codecId == 4) {
                  if (mediaTransmissionTCP) {
                     content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 0\r\n");
                  }else {
                     content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 0\r\n");
                  }
                  content.append("a=rtpmap:0 PCMU/8000\r\n");
               }else {
                  if (mediaTransmissionTCP) {
                     content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
                  }else {
                     content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
                  }
                  content.append("a=rtpmap:8 PCMA/8000\r\n");
               }
            }
            if (sendRtpItem.isTcp()) {
               content.append("a=connection:new\r\n");
               if (!sendRtpItem.isTcpActive()) {
                  content.append("a=setup:active\r\n");
               }else {
                  content.append("a=setup:passive\r\n");
               }
            }
            content.append("a=sendonly\r\n");
            content.append("y="+ finalSsrc + "\r\n");
            content.append("f=v/////a/1/8/1\r\n");

            ParentPlatform parentPlatform = new ParentPlatform();
            parentPlatform.setServerIP(device.getIp());
            parentPlatform.setServerPort(device.getPort());
            parentPlatform.setServerGBId(device.getDeviceId());
            try {
               responseSdpAck(evt, content.toString(), parentPlatform);
               Dialog dialog = evt.getDialog();
               audioBroadcastCatch.setDialog((SIPDialog) dialog);
               audioBroadcastCatch.setRequest((SIPRequest) request);
               audioBroadcastManager.update(audioBroadcastCatch);
            } catch (SipException e) {
               throw new RuntimeException(e);
            } catch (InvalidArgumentException e) {
               throw new RuntimeException(e);
            } catch (ParseException e) {
               throw new RuntimeException(e);
            }
         }else {
            // 流不存在时监听流上线
            // 设置等待推流的超时; 默认20s
            String waiteStreamTimeoutTaskKey = "waite-stream-" + device.getDeviceId() + audioBroadcastCatch.getChannelId();
            dynamicTask.startDelay(waiteStreamTimeoutTaskKey, ()->{
               logger.info("等待推流超时: {}/{}", app, stream);
               subscribe.removeSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey);
               playService.stopAudioBroadcast(device.getDeviceId(), audioBroadcastCatch.getChannelId());
               // 发送bye
               try {
                  responseAck(evt, Response.BUSY_HERE);
               } catch (SipException e) {
                  throw new RuntimeException(e);
               } catch (InvalidArgumentException e) {
                  throw new RuntimeException(e);
               } catch (ParseException e) {
                  throw new RuntimeException(e);
               }
            }, 20*1000);

            boolean finalMediaTransmissionTCP = mediaTransmissionTCP;
            subscribe.addSubscribe(ZLMHttpHookSubscribe.HookType.on_stream_changed, subscribeKey,
                  (MediaServerItem mediaServerItemInUse, JSONObject json)->{
               logger.info("收到语音对讲推流");
               MediaItem mediaItem = JSON.toJavaObject(json, MediaItem.class);
               Integer audioCodecId = null;
               if (mediaItem.getTracks() != null && mediaItem.getTracks().size() > 0) {
                  for (int i = 0; i < mediaItem.getTracks().size(); i++) {
                     MediaItem.MediaTrack mediaTrack = mediaItem.getTracks().get(i);
                     if (mediaTrack.getCodecType() == 1) {
                        audioCodecId = mediaTrack.getCodecId();
                        break;
                     }
                  }
               }

               try {
                  sendRtpItem.setStatus(2);
                  redisCatchStorage.updateSendRTPSever(sendRtpItem);
                  StringBuffer content = new StringBuffer(200);
                  content.append("v=0\r\n");
                  content.append("o="+ config.getId() +" "+ sdp.getOrigin().getSessionId() +" " + sdp.getOrigin().getSessionVersion()  + " IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
                  content.append("s=Play\r\n");
                  content.append("c=IN IP4 "+mediaServerItem.getSdpIp()+"\r\n");
                  content.append("t=0 0\r\n");
                  if (audioCodecId == null) {
                     if (finalMediaTransmissionTCP) {
                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
                     }else {
                        content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
                     }

                     content.append("a=rtpmap:8 PCMA/8000\r\n");
                  }else {
                     if (audioCodecId == 4) {
                        if (finalMediaTransmissionTCP) {
                           content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 0\r\n");
                        }else {
                           content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 0\r\n");
                        }
                        content.append("a=rtpmap:0 PCMU/8000\r\n");
                     }else {
                        if (finalMediaTransmissionTCP) {
                           content.append("m=audio "+ sendRtpItem.getLocalPort()+" TCP/RTP/AVP 8\r\n");
                        }else {
                           content.append("m=audio "+ sendRtpItem.getLocalPort()+" RTP/AVP 8\r\n");
                        }
                        content.append("a=rtpmap:8 PCMA/8000\r\n");
                     }
                  }
                  content.append("a=sendonly\r\n");
                  if (sendRtpItem.isTcp()) {
                     content.append("a=connection:new\r\n");
                     if (!sendRtpItem.isTcpActive()) {
                        content.append("a=setup:active\r\n");
                     }else {
                        content.append("a=setup:passive\r\n");
                     }
                  }
                  content.append("y="+ finalSsrc + "\r\n");
                  content.append("f=v/////a/1/8/1\r\n");

                  ParentPlatform parentPlatform = new ParentPlatform();
                  parentPlatform.setServerIP(device.getIp());
                  parentPlatform.setServerPort(device.getPort());
                  parentPlatform.setServerGBId(device.getDeviceId());

                  responseSdpAck(evt, content.toString(), parentPlatform);
                  Dialog dialog = evt.getDialog();
                  audioBroadcastCatch.setDialog((SIPDialog) dialog);
                  audioBroadcastCatch.setRequest((SIPRequest) request);
                  audioBroadcastManager.update(audioBroadcastCatch);
               } catch (SipException e) {
                  throw new RuntimeException(e);
               } catch (InvalidArgumentException e) {
                  throw new RuntimeException(e);
               } catch (ParseException e) {
                  throw new RuntimeException(e);
               } catch (SdpParseException e) {
                  throw new RuntimeException(e);
               }
            });
         }
         String key = DeferredResultHolder.CALLBACK_CMD_BROADCAST + device.getDeviceId();
         WVPResult<AudioBroadcastResult> wvpResult = new WVPResult<>();
         wvpResult.setCode(0);
         wvpResult.setMsg("success");
         AudioBroadcastResult audioBroadcastResult = new AudioBroadcastResult();
         audioBroadcastResult.setApp(app);
         audioBroadcastResult.setStream(stream);
         audioBroadcastResult.setMediaServerItem(new MediaServerItemLite(mediaServerItem));
         audioBroadcastResult.setCodec("G.711");
         wvpResult.setData(audioBroadcastResult);
         RequestMessage requestMessage = new RequestMessage();
         requestMessage.setKey(key);
         requestMessage.setData(wvpResult);
         resultHolder.invokeAllResult(requestMessage);
      } else {
         logger.warn("来自无效设备/平台的请求");
         responseAck(evt, Response.BAD_REQUEST);
      }
   }
}