| | |
| | | import javax.sip.ResponseEvent; |
| | | import javax.sip.SipException; |
| | | |
| | | import com.genersoft.iot.vmp.gb28181.bean.*; |
| | | import com.genersoft.iot.vmp.common.VideoManagerConstants; |
| | | import com.genersoft.iot.vmp.conf.exception.ControllerException; |
| | | import com.genersoft.iot.vmp.conf.exception.ServiceException; |
| | | import com.genersoft.iot.vmp.conf.exception.SsrcTransactionNotFoundException; |
| | | import com.genersoft.iot.vmp.gb28181.bean.*; |
| | | import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform; |
| | | import com.genersoft.iot.vmp.gb28181.utils.SipUtils; |
| | | import com.genersoft.iot.vmp.media.zlm.dto.MediaItem; |
| | | import com.genersoft.iot.vmp.service.IDeviceService; |
| | | import com.genersoft.iot.vmp.vmanager.bean.AudioBroadcastResult; |
| | | import com.genersoft.iot.vmp.utils.redis.RedisUtil; |
| | | import com.genersoft.iot.vmp.vmanager.bean.ErrorCode; |
| | | import org.slf4j.Logger; |
| | |
| | | import org.springframework.beans.factory.annotation.Value; |
| | | import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; |
| | | import org.springframework.stereotype.Service; |
| | | import org.springframework.util.ObjectUtils; |
| | | import org.springframework.util.StringUtils; |
| | | import org.springframework.web.context.request.async.DeferredResult; |
| | | |
| | | import com.alibaba.fastjson.JSON; |
| | |
| | | import com.alibaba.fastjson.JSONObject; |
| | | import com.genersoft.iot.vmp.common.StreamInfo; |
| | | import com.genersoft.iot.vmp.conf.DynamicTask; |
| | | import com.genersoft.iot.vmp.conf.SipConfig; |
| | | import com.genersoft.iot.vmp.conf.UserSetting; |
| | | import com.genersoft.iot.vmp.gb28181.event.SipSubscribe; |
| | | import com.genersoft.iot.vmp.gb28181.session.AudioBroadcastManager; |
| | | import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager; |
| | | import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder; |
| | | import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage; |
| | | import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander; |
| | | import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommanderFroPlatform; |
| | | import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory; |
| | | import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeFactory; |
| | | import com.genersoft.iot.vmp.media.zlm.dto.HookSubscribeForStreamChange; |
| | | import com.genersoft.iot.vmp.utils.DateUtil; |
| | |
| | | import com.genersoft.iot.vmp.storager.IRedisCatchStorage; |
| | | import com.genersoft.iot.vmp.storager.IVideoManagerStorage; |
| | | import com.genersoft.iot.vmp.vmanager.bean.WVPResult; |
| | | import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.AudioBroadcastEvent; |
| | | import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.PlayResult; |
| | | |
| | | import gov.nist.javax.sip.stack.SIPDialog; |
| | | |
| | | @SuppressWarnings(value = {"rawtypes", "unchecked"}) |
| | | @Service |
| | |
| | | private SIPCommander cmder; |
| | | |
| | | @Autowired |
| | | private SIPCommanderFroPlatform sipCommanderFroPlatform; |
| | | private AudioBroadcastManager audioBroadcastManager; |
| | | |
| | | @Autowired |
| | | private IDeviceService deviceService; |
| | | |
| | | @Autowired |
| | | private ISIPCommanderForPlatform sipCommanderFroPlatform; |
| | | |
| | | @Autowired |
| | | private IRedisCatchStorage redisCatchStorage; |
| | | |
| | | @Autowired |
| | | private ZLMRTPServerFactory zlmrtpServerFactory; |
| | | |
| | | @Autowired |
| | | private DeferredResultHolder resultHolder; |
| | |
| | | @Autowired |
| | | private VideoStreamSessionManager streamSession; |
| | | |
| | | |
| | | @Autowired |
| | | private IDeviceService deviceService; |
| | | |
| | | @Autowired |
| | | private UserSetting userSetting; |
| | | |
| | | @Autowired |
| | | private SipConfig sipConfig; |
| | | |
| | | @Autowired |
| | | private DynamicTask dynamicTask; |
| | |
| | | @Qualifier("taskExecutor") |
| | | @Autowired |
| | | private ThreadPoolTaskExecutor taskExecutor; |
| | | |
| | | |
| | | @Override |
| | | public PlayResult play(MediaServerItem mediaServerItem, String deviceId, String channelId, |
| | |
| | | String uuid = UUID.randomUUID().toString(); |
| | | msg.setId(uuid); |
| | | playResult.setUuid(uuid); |
| | | DeferredResult<WVPResult<String>> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue()); |
| | | DeferredResult<WVPResult<StreamInfo>> result = new DeferredResult<>(userSetting.getPlayTimeout().longValue()); |
| | | playResult.setResult(result); |
| | | // 录像查询以channelId作为deviceId查询 |
| | | resultHolder.put(key, uuid, result); |
| | |
| | | redisCatchStorage.stopPlay(streamInfo); |
| | | storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId()); |
| | | streamInfo = null; |
| | | |
| | | } |
| | | } |
| | | if (streamInfo == null) { |
| | |
| | | return playResult; |
| | | } |
| | | |
| | | @Override |
| | | public void talk(MediaServerItem mediaServerItem, Device device, String channelId, |
| | | ZlmHttpHookSubscribe.Event hookEvent, SipSubscribe.Event errorEvent, |
| | | Runnable timeoutCallback) { |
| | | String streamId = null; |
| | | if (mediaServerItem.isRtpEnable()) { |
| | | streamId = String.format("%s_%s", device.getDeviceId(), channelId); |
| | | } |
| | | SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, device.isSsrcCheck(), false); |
| | | logger.info("[对讲开始] deviceId: {}, channelId: {},收流端口: {}, 收流模式:{}, SSRC: {}, SSRC校验:{}", device.getDeviceId(), channelId, ssrcInfo.getPort(), device.getStreamMode(), ssrcInfo.getSsrc(), device.isSsrcCheck()); |
| | | // 超时处理 |
| | | String timeOutTaskKey = UUID.randomUUID().toString(); |
| | | SSRCInfo finalSsrcInfo = ssrcInfo; |
| | | System.out.println("设置超时任务: " + timeOutTaskKey); |
| | | dynamicTask.startDelay(timeOutTaskKey, () -> { |
| | | |
| | | logger.info("[对讲超时] 收流超时 deviceId: {}, channelId: {},端口:{}, SSRC: {}", device.getDeviceId(), channelId, finalSsrcInfo.getPort(), finalSsrcInfo.getSsrc()); |
| | | timeoutCallback.run(); |
| | | // 点播超时回复BYE 同时释放ssrc以及此次点播的资源 |
| | | try { |
| | | cmder.streamByeCmd(device, channelId, finalSsrcInfo.getStream(), null); |
| | | } catch (InvalidArgumentException | ParseException | SipException e) { |
| | | logger.error("[对讲超时], 发送BYE失败 {}", e.getMessage()); |
| | | } catch (SsrcTransactionNotFoundException e) { |
| | | timeoutCallback.run(); |
| | | mediaServerService.releaseSsrc(mediaServerItem.getId(), finalSsrcInfo.getSsrc()); |
| | | mediaServerService.closeRTPServer(mediaServerItem, finalSsrcInfo.getStream()); |
| | | streamSession.remove(device.getDeviceId(), channelId, finalSsrcInfo.getStream()); |
| | | } |
| | | }, userSetting.getPlayTimeout()); |
| | | final String ssrc = ssrcInfo.getSsrc(); |
| | | final String stream = ssrcInfo.getStream(); |
| | | //端口获取失败的ssrcInfo 没有必要发送点播指令 |
| | | if (ssrcInfo.getPort() <= 0) { |
| | | logger.info("[对讲] 端口分配异常,deviceId={},channelId={},ssrcInfo={}", device.getDeviceId(), channelId, ssrcInfo); |
| | | return; |
| | | } |
| | | |
| | | String callId = SipUtils.getNewCallId(); |
| | | boolean pushing = false; |
| | | // 查看设备是否已经在推流 |
| | | // MediaItem mediaItem = zlmrtpServerFactory.getMediaInfo(mediaServerItem, "rtp",ssrcInfo.getStream()); |
| | | // if (mediaItem != null) { |
| | | // SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, |
| | | // mediaItem.getOriginSock().getPeer_ip(), mediaItem.getOriginSock().getPeer_port(), ssrcInfo.getSsrc(), device.getDeviceId(), |
| | | // device.getDeviceId(), channelId, |
| | | // false); |
| | | // |
| | | // sendRtpItem.setTcpActive(false); |
| | | // sendRtpItem.setCallId(callId); |
| | | // sendRtpItem.setPlayType(InviteStreamType.TALK); |
| | | // sendRtpItem.setStatus(1); |
| | | // sendRtpItem.setIp(mediaItem.getOriginSock().getPeer_ip()); |
| | | // sendRtpItem.setPort(mediaItem.getOriginSock().getPeer_port()); |
| | | // sendRtpItem.setTcpActive(false); |
| | | // sendRtpItem.setStreamId(ssrcInfo.getStream()); |
| | | // sendRtpItem.setApp("1000"); |
| | | // sendRtpItem.setStreamId("1000"); |
| | | // sendRtpItem.setSsrc(ssrc); |
| | | // sendRtpItem.setOnlyAudio(true); |
| | | // redisCatchStorage.updateSendRTPSever(sendRtpItem); |
| | | // |
| | | // Map<String, Object> param = new HashMap<>(12); |
| | | // param.put("vhost","__defaultVhost__"); |
| | | // param.put("app",sendRtpItem.getApp()); |
| | | // param.put("stream",sendRtpItem.getStreamId()); |
| | | // param.put("ssrc", sendRtpItem.getSsrc()); |
| | | // param.put("dst_url", sendRtpItem.getIp()); |
| | | // param.put("dst_port", sendRtpItem.getPort()); |
| | | // param.put("src_port", sendRtpItem.getLocalPort()); |
| | | // param.put("pt", sendRtpItem.getPt()); |
| | | // param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0"); |
| | | // param.put("is_udp", sendRtpItem.isTcp() ? "0" : "1"); |
| | | // param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0"); |
| | | // JSONObject jsonObject = zlmrtpServerFactory.startSendRtpStream(mediaServerItem, param); |
| | | // System.out.println(2222); |
| | | // System.out.println(jsonObject); |
| | | // }else { |
| | | try { |
| | | cmder.talkStreamCmd(mediaServerItem, ssrcInfo, device, channelId, callId, (MediaServerItem mediaServerItemInuse, JSONObject response) -> { |
| | | logger.info("[对讲] 流已生成, 开始推流: " + response.toJSONString()); |
| | | dynamicTask.stop(timeOutTaskKey); |
| | | // TODO 暂不做处理 |
| | | }, (MediaServerItem mediaServerItemInuse, JSONObject json) -> { |
| | | logger.info("[对讲] 设备开始推流: " + json.toJSONString()); |
| | | dynamicTask.stop(timeOutTaskKey); |
| | | // 获取远程IP端口 作为回复语音流的地址 |
| | | String ip = json.getString("ip"); |
| | | Integer port = json.getInteger("port"); |
| | | logger.info("[设备开始推流]{}/{}, 来自ip:{}, 端口:{}", device.getDeviceId(), channelId, ip, port); |
| | | // 查看平台推流是否就绪 |
| | | // Boolean ready = zlmrtpServerFactory.isStreamReady(mediaServerItemInuse, "talk", stream); |
| | | // if (!ready) { |
| | | // try { |
| | | // cmder.streamByeCmd(device, channelId, finalSsrcInfo.getStream(), null); |
| | | // } catch (InvalidArgumentException | ParseException | SipException e) { |
| | | // logger.error("[对讲超时], 发送BYE失败 {}", e.getMessage()); |
| | | // } catch (SsrcTransactionNotFoundException e) { |
| | | // timeoutCallback.run(); |
| | | // mediaServerService.releaseSsrc(mediaServerItem.getId(), finalSsrcInfo.getSsrc()); |
| | | // mediaServerService.closeRTPServer(mediaServerItem, finalSsrcInfo.getStream()); |
| | | // streamSession.remove(device.getDeviceId(), channelId, finalSsrcInfo.getStream()); |
| | | // } |
| | | // }else { |
| | | // try { |
| | | // Thread.sleep(1000); |
| | | // } catch (InterruptedException e) { |
| | | // throw new RuntimeException(e); |
| | | // } |
| | | SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, ip, port, ssrcInfo.getSsrc(), device.getDeviceId(), |
| | | device.getDeviceId(), channelId, |
| | | false); |
| | | |
| | | |
| | | // if (sendRtpItem.getLocalPort() == 0) { |
| | | // logger.warn("服务器端口资源不足"); |
| | | // try { |
| | | // cmder.streamByeCmd(device, channelId, finalSsrcInfo.getStream(), null); |
| | | // } catch (InvalidArgumentException | ParseException | SipException e) { |
| | | // logger.error("[对讲超时], 发送BYE失败 {}", e.getMessage()); |
| | | // } catch (SsrcTransactionNotFoundException e) { |
| | | // timeoutCallback.run(); |
| | | // mediaServerService.releaseSsrc(mediaServerItem.getId(), finalSsrcInfo.getSsrc()); |
| | | // mediaServerService.closeRTPServer(mediaServerItem, finalSsrcInfo.getStream()); |
| | | // streamSession.remove(device.getDeviceId(), channelId, finalSsrcInfo.getStream()); |
| | | // } |
| | | // return; |
| | | // } |
| | | sendRtpItem.setTcpActive(false); |
| | | sendRtpItem.setCallId(callId); |
| | | sendRtpItem.setPlayType(InviteStreamType.TALK); |
| | | sendRtpItem.setStatus(1); |
| | | sendRtpItem.setIp(ip); |
| | | sendRtpItem.setPort(port); |
| | | sendRtpItem.setTcpActive(false); |
| | | sendRtpItem.setApp("1000"); |
| | | sendRtpItem.setStreamId("1000"); |
| | | sendRtpItem.setSsrc(ssrc); |
| | | sendRtpItem.setOnlyAudio(true); |
| | | redisCatchStorage.updateSendRTPSever(sendRtpItem); |
| | | |
| | | Map<String, Object> param = new HashMap<>(12); |
| | | param.put("vhost","__defaultVhost__"); |
| | | param.put("app",sendRtpItem.getApp()); |
| | | param.put("stream",sendRtpItem.getStreamId()); |
| | | param.put("ssrc", sendRtpItem.getSsrc()); |
| | | param.put("dst_url", sendRtpItem.getIp()); |
| | | param.put("dst_port", sendRtpItem.getPort()); |
| | | param.put("src_port", sendRtpItem.getLocalPort()); |
| | | param.put("pt", sendRtpItem.getPt()); |
| | | param.put("use_ps", sendRtpItem.isUsePs() ? "1" : "0"); |
| | | param.put("is_udp", sendRtpItem.isTcp() ? "0" : "1"); |
| | | param.put("only_audio", sendRtpItem.isOnlyAudio() ? "1" : "0"); |
| | | JSONObject jsonObject = zlmrtpServerFactory.startSendRtpStream(mediaServerItemInuse, param); |
| | | System.out.println(11111); |
| | | System.out.println(sendRtpItem.getIp() + ":" + sendRtpItem.getPort()); |
| | | // System.out.println(jsonObject); |
| | | // } |
| | | |
| | | }, (event) -> { |
| | | |
| | | }, (event) -> { |
| | | dynamicTask.stop(timeOutTaskKey); |
| | | mediaServerService.closeRTPServer(mediaServerItem, finalSsrcInfo.getStream()); |
| | | // 释放ssrc |
| | | mediaServerService.releaseSsrc(mediaServerItem.getId(), finalSsrcInfo.getSsrc()); |
| | | |
| | | streamSession.remove(device.getDeviceId(), channelId, finalSsrcInfo.getStream()); |
| | | errorEvent.response(event); |
| | | }); |
| | | } catch (InvalidArgumentException | SipException | ParseException e) { |
| | | |
| | | logger.error("[命令发送失败] 对讲消息: {}", e.getMessage()); |
| | | dynamicTask.stop(timeOutTaskKey); |
| | | mediaServerService.closeRTPServer(mediaServerItem, finalSsrcInfo.getStream()); |
| | | // 释放ssrc |
| | | mediaServerService.releaseSsrc(mediaServerItem.getId(), finalSsrcInfo.getSsrc()); |
| | | |
| | | streamSession.remove(device.getDeviceId(), channelId, finalSsrcInfo.getStream()); |
| | | SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(new CmdSendFailEvent(null)); |
| | | eventResult.msg = "命令发送失败"; |
| | | errorEvent.response(eventResult); |
| | | } |
| | | // } |
| | | |
| | | } |
| | | |
| | | @Override |
| | | public void play(MediaServerItem mediaServerItem, SSRCInfo ssrcInfo, Device device, String channelId, |
| | |
| | | if (device == null) { |
| | | return null; |
| | | } |
| | | String mediaServerId = device.getMediaServerId(); |
| | | MediaServerItem mediaServerItem; |
| | | if (mediaServerId == null) { |
| | | if (ObjectUtils.isEmpty(device.getMediaServerId()) || "auto".equals(device.getMediaServerId())) { |
| | | mediaServerItem = mediaServerService.getMediaServerForMinimumLoad(); |
| | | } else { |
| | | mediaServerItem = mediaServerService.getOne(mediaServerId); |
| | | mediaServerItem = mediaServerService.getOne(device.getMediaServerId()); |
| | | } |
| | | if (mediaServerItem == null) { |
| | | logger.warn("点播时未找到可使用的ZLM..."); |
| | |
| | | } |
| | | |
| | | @Override |
| | | public AudioBroadcastResult audioBroadcast(Device device, String channelId) { |
| | | if (device == null || channelId == null) { |
| | | return null; |
| | | } |
| | | logger.info("[语音喊话] device: {}, channel: {}", device.getDeviceId(), channelId); |
| | | DeviceChannel deviceChannel = storager.queryChannel(device.getDeviceId(), channelId); |
| | | if (deviceChannel == null) { |
| | | logger.warn("开启语音广播的时候未找到通道: {}", channelId); |
| | | return null; |
| | | } |
| | | MediaServerItem mediaServerItem = mediaServerService.getMediaServerForMinimumLoad(); |
| | | String app = "broadcast"; |
| | | // TODO 从sip user agent中判断是什么品牌设备,大华默认使用talk模式,其他使用broadcast模式 |
| | | // String app = "talk"; |
| | | String stream = device.getDeviceId() + "_" + channelId; |
| | | StreamInfo broadcast = mediaService.getStreamInfoByAppAndStream(mediaServerItem, "broadcast", stream, null, null, null, false); |
| | | AudioBroadcastResult audioBroadcastResult = new AudioBroadcastResult(); |
| | | audioBroadcastResult.setApp(app); |
| | | audioBroadcastResult.setStream(stream); |
| | | audioBroadcastResult.setStreamInfo(mediaService.getStreamInfoByAppAndStream(mediaServerItem, app, stream, null, null, null,false)); |
| | | audioBroadcastResult.setCodec("G.711"); |
| | | return audioBroadcastResult; |
| | | } |
| | | |
| | | @Override |
| | | public void audioBroadcastCmd(Device device, String channelId, int timeout, AudioBroadcastEvent event) throws InvalidArgumentException, ParseException, SipException { |
| | | if (device == null || channelId == null) { |
| | | return; |
| | | } |
| | | logger.info("[语音喊话] device: {}, channel: {}", device.getDeviceId(), channelId); |
| | | DeviceChannel deviceChannel = storager.queryChannel(device.getDeviceId(), channelId); |
| | | if (deviceChannel == null) { |
| | | logger.warn("开启语音广播的时候未找到通道: {}", channelId); |
| | | event.call("开启语音广播的时候未找到通道"); |
| | | return; |
| | | } |
| | | // 查询通道使用状态 |
| | | if (audioBroadcastManager.exit(device.getDeviceId(), channelId)) { |
| | | SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(device.getDeviceId(), channelId, null, null); |
| | | if (sendRtpItem != null && sendRtpItem.isOnlyAudio()) { |
| | | // 查询流是否存在,不存在则认为是异常状态 |
| | | MediaServerItem mediaServerItem = mediaServerService.getOne(sendRtpItem.getMediaServerId()); |
| | | Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, sendRtpItem.getApp(), sendRtpItem.getStreamId()); |
| | | if (streamReady) { |
| | | logger.warn("语音广播已经开启: {}", channelId); |
| | | event.call("语音广播已经开启"); |
| | | return; |
| | | } else { |
| | | audioBroadcastManager.del(deviceChannel.getDeviceId(), channelId); |
| | | redisCatchStorage.deleteSendRTPServer(device.getDeviceId(), channelId, sendRtpItem.getCallId(), sendRtpItem.getStreamId()); |
| | | } |
| | | } |
| | | } |
| | | |
| | | // 发送通知 |
| | | cmder.audioBroadcastCmd(device, channelId, eventResultForOk -> { |
| | | // 发送成功 |
| | | AudioBroadcastCatch audioBroadcastCatch = new AudioBroadcastCatch(device.getDeviceId(), channelId, AudioBroadcastCatchStatus.Ready); |
| | | audioBroadcastManager.add(audioBroadcastCatch); |
| | | }, eventResultForError -> { |
| | | // 发送失败 |
| | | logger.error("语音广播发送失败: {}:{}", channelId, eventResultForError.msg); |
| | | event.call("语音广播发送失败"); |
| | | stopAudioBroadcast(device.getDeviceId(), channelId); |
| | | }); |
| | | } |
| | | |
| | | |
| | | |
| | | @Override |
| | | public void stopAudioBroadcast(String deviceId, String channelId) { |
| | | AudioBroadcastCatch audioBroadcastCatch = audioBroadcastManager.get(deviceId, channelId); |
| | | if (audioBroadcastCatch != null) { |
| | | |
| | | Device device = deviceService.queryDevice(deviceId); |
| | | if (device == null) { |
| | | return; |
| | | } |
| | | // if (audioBroadcastCatch.getStatus() == AudioBroadcastCatchStatus.Ok) { |
| | | // cmder.streamByeCmd(device, audioBroadcastCatch.getChannelId(), null, audioBroadcastCatch.getSipTransactionInfo().getCallId()); |
| | | // } |
| | | SendRtpItem sendRtpItem = redisCatchStorage.querySendRTPServer(deviceId, audioBroadcastCatch.getChannelId(), null, null); |
| | | if (sendRtpItem != null) { |
| | | redisCatchStorage.deleteSendRTPServer(deviceId, sendRtpItem.getChannelId(), null, null); |
| | | MediaServerItem mediaInfo = mediaServerService.getOne(sendRtpItem.getMediaServerId()); |
| | | Map<String, Object> param = new HashMap<>(); |
| | | param.put("vhost", "__defaultVhost__"); |
| | | param.put("app", sendRtpItem.getApp()); |
| | | param.put("stream", sendRtpItem.getStreamId()); |
| | | zlmresTfulUtils.stopSendRtp(mediaInfo, param); |
| | | } |
| | | |
| | | audioBroadcastManager.del(deviceId, channelId); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void zlmServerOnline(String mediaServerId) { |
| | | // TODO 查找之前的点播,流如果不存在则给下级发送bye |
| | | // MediaServerItem mediaServerItem = mediaServerService.getOne(mediaServerId); |