From 694076dc8c447754b02dff24a891249f54427ffb Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期三, 16 十一月 2022 09:39:27 +0800
Subject: [PATCH] 优化国标级联发流并发能力

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
index 598c087..f221880 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -45,6 +45,7 @@
 import javax.sip.message.Response;
 import java.text.ParseException;
 import java.time.Instant;
+import java.util.Random;
 import java.util.Vector;
 
 /**
@@ -157,11 +158,6 @@
                 StreamProxyItem proxyByAppAndStream =null;
                 // 涓嶆槸閫氶亾鍙兘鏄洿鎾祦
                 if (channel != null && gbStream == null) {
-//                    if (channel.getStatus() == 0) {
-//                        logger.info("閫氶亾绂荤嚎锛岃繑鍥�400");
-//                        responseAck(request, Response.BAD_REQUEST, "channel [" + channel.getChannelId() + "] offline");
-//                        return;
-//                    }
                     // 閫氶亾瀛樺湪锛屽彂100锛孴RYING
                     try {
                         responseAck(request, Response.TRYING);
@@ -385,7 +381,12 @@
                         } else {
                             content.append("t=0 0\r\n");
                         }
-                        content.append("m=video " + sendRtpItem.getLocalPort() + " RTP/AVP 96\r\n");
+                        int localPort = sendRtpItem.getLocalPort();
+                        if (localPort == 0) {
+                            // 闈炰弗鏍兼ā寮忕鍙d笉缁熶竴, 澧炲姞鍏煎鎬э紝淇敼涓轰竴涓笉涓�0鐨勭鍙�
+                            localPort = new Random().nextInt(65535) + 1;
+                        }
+                        content.append("m=video " + localPort + " RTP/AVP 96\r\n");
                         content.append("a=sendonly\r\n");
                         content.append("a=rtpmap:96 PS/90000\r\n");
                         content.append("y=" + sendRtpItem.getSsrc() + "\r\n");
@@ -476,9 +477,11 @@
 
                             // 鍐欏叆redis锛� 瓒呮椂鏃跺洖澶�
                             redisCatchStorage.updateSendRTPSever(sendRtpItem);
+                            MediaServerItem finalMediaServerItem = mediaServerItem;
                             playService.play(mediaServerItem, ssrcInfo, device, channelId, hookEvent, errorEvent, (code, msg) -> {
                                 logger.info("[涓婄骇鐐规挱]瓒呮椂, 鐢ㄦ埛锛歿}锛� 閫氶亾锛歿}", username, channelId);
                                 redisCatchStorage.deleteSendRTPServer(platform.getServerGBId(), channelId, callIdHeader.getCallId(), null);
+                                zlmrtpServerFactory.releasePort(finalMediaServerItem, sendRtpItem.getSsrc());
                             }, null);
                         } else {
                             sendRtpItem.setStreamId(playTransaction.getStream());

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