|  |  | 
 |  |  |                     sendRtpItem.setApp("rtp"); | 
 |  |  |                     if ("Playback".equalsIgnoreCase(sessionName)) { | 
 |  |  |                         sendRtpItem.setPlayType(InviteStreamType.PLAYBACK); | 
 |  |  |                         SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, device.isSsrcCheck(), true); | 
 |  |  |                         SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, null, null, device.isSsrcCheck(), true, 0, false, device.getStreamModeForParam()); | 
 |  |  |                         sendRtpItem.setStreamId(ssrcInfo.getStream()); | 
 |  |  |                         // 写入redis, 超时时回复 | 
 |  |  |                         redisCatchStorage.updateSendRTPSever(sendRtpItem); | 
 |  |  | 
 |  |  |                             if (mediaServerItem.isRtpEnable()) { | 
 |  |  |                                 streamId = String.format("%s_%s", device.getDeviceId(), channelId); | 
 |  |  |                             } | 
 |  |  |                             SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, null, device.isSsrcCheck(), false); | 
 |  |  |                             SSRCInfo ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId, null, device.isSsrcCheck(), false, 0, false, device.getStreamModeForParam()); | 
 |  |  |                             logger.info(JSONObject.toJSONString(ssrcInfo)); | 
 |  |  |                             sendRtpItem.setStreamId(ssrcInfo.getStream()); | 
 |  |  |                             sendRtpItem.setSsrc(ssrc.equals(ssrcDefault) ? ssrcInfo.getSsrc() : ssrc); | 
 |  |  | 
 |  |  |                                 redisCatchStorage.deleteSendRTPServer(platform.getServerGBId(), channelId, callIdHeader.getCallId(), null); | 
 |  |  |                             }); | 
 |  |  |                         } else { | 
 |  |  |                             // 当前系统作为下级平台使用,当上级平台点播时不携带ssrc时,并且设备在当前系统中已经点播了。这个时候需要重新给生成一个ssrc,不使用默认的"0000000000"。 | 
 |  |  |                             if (ssrc.equals(ssrcDefault)) { | 
 |  |  |                                 ssrc = ssrcFactory.getPlaySsrc(mediaServerItem.getId()); | 
 |  |  |                                 ssrcFactory.releaseSsrc(mediaServerItem.getId(), ssrc); | 
 |  |  |                                 sendRtpItem.setSsrc(ssrc); | 
 |  |  |                             } | 
 |  |  |  | 
 |  |  |                             sendRtpItem.setStreamId(playTransaction.getStream()); | 
 |  |  |                             // 写入redis, 超时时回复 | 
 |  |  |                             redisCatchStorage.updateSendRTPSever(sendRtpItem); |