增加一个保持连接开关，默认关闭

README.md

@@ -62,6 +62,7 @@ rtmp:
         repush: 0 # 当断开后是否自动重新推流，0代表不进行重新推流，-1代表无限次重新推流
         pushlist: {} # 推流列表，以 streamPath为key，远程地址为value
     chunksize: 4096
+    keepalive: false #保持rtmp连接，默认随着stream的close而主动断开
 ```
 :::tip 配置覆盖
 publish

main.go

@@ -15,6 +15,7 @@ type RTMPConfig struct {
 	config.Pull
 	config.Push
 	ChunkSize int
+	KeepAlive bool //保持rtmp连接，默认随着stream的close而主动断开
 }
 
 func (c *RTMPConfig) OnEvent(event any) {
@@ -59,6 +60,7 @@ func (c *RTMPConfig) OnEvent(event any) {
 		}
 	}
 }
+
 var conf = &RTMPConfig{
 	ChunkSize: 4096,
 	TCP:       config.TCP{ListenAddr: ":1935"},

server.go

@@ -130,6 +130,9 @@ func (config *RTMPConfig) ServeTCP(conn *net.TCPConn) {
 						},
 					}
 					receiver.SetParentCtx(ctx)
+					if !config.KeepAlive {
+						receiver.SetIO(conn)
+					}
 					if plugin.Publish(nc.appName+"/"+cmd.PublishingName, receiver) == nil {
 						receivers[cmd.StreamId] = receiver
 						receiver.absTs = make(map[uint32]uint32)
@@ -146,6 +149,9 @@ func (config *RTMPConfig) ServeTCP(conn *net.TCPConn) {
 						cmd.StreamId,
 					}
 					sender.SetParentCtx(ctx)
+					if !config.KeepAlive {
+						sender.SetIO(conn)
+					}
 					sender.ID = fmt.Sprintf("%s|%d", conn.RemoteAddr().String(), sender.StreamID)
 					if plugin.Subscribe(streamPath, sender) != nil {
 						sender.Response(cmd.TransactionId, NetStream_Play_Failed, Level_Error)