修改一个变量名拼写错误

Merge pull request #99 from kingecg/v4
修复：按需拉流支持回放流
2025-12-24 13:27:57 +08:00 · 2023-07-07 14:50:09 +08:00 · 2023-07-04 18:42:09 +08:00 · 2023-07-04 18:17:11 +08:00 · 2023-06-30 22:31:51 +08:00 · 2023-06-30 21:24:07 +08:00
19 changed files with 1370 additions and 1330 deletions
--- a/README.md
+++ b/README.md
@@ -18,59 +18,29 @@ _ "m7s.live/plugin/gb28181/v4"

 ```yaml
 gb28181:
-  autoinvite:     true
+  invitemode:     1 #0、手动invite 1、表示自动发起invite，当Server（SIP）接收到设备信息时，立即向设备发送invite命令获取流,2、按需拉流，既等待订阅者触发
  position:
    autosubposition: false #是否自动订阅定位
    expires: 3600s #订阅周期(单位：秒)，默认3600
    interval: 6s #订阅间隔（单位：秒），默认6
-  prefetchrecord: false
-  udpcachesize:   0
-  sipnetwork:     udp
-  sipip:          ""
-  sipport:        5060
+  udpcachesize:   0 #表示UDP缓存大小，默认为0，不开启。仅当TCP关闭，切缓存大于0时才开启
+  sipip:          "" #sip服务器地址 默认 自动适配设备网段
  serial:         "34020000002000000001"
  realm:          "3402000000"
  username:       ""
  password:       ""
  
-  registervalidity:  60s
+  registervalidity:  60s #注册有效期
  
-  mediaip:          ""
-  mediaport:        58200
-  mediaidletimeout: 30
-  medianetwork:     udp
-  mediaportmin:     0
-  meidaportmax:     0
+  mediaip:          "" #媒体服务器地址 默认 自动适配设备网段
+  port:
+    sip: udp:5060 #sip服务器端口
+    media: tcp:58200 #媒体服务器端口，用于接收设备的流,范围端口表示法：udp:50000-60000

-  removebaninterval: 10m
+  removebaninterval: 10m #定时移除注册失败的设备黑名单，单位秒，默认10分钟（600秒）
  loglevel:         info
 ```

- `AutoInvite`     bool 表示自动发起invite，当Server（SIP）接收到设备信息时，立即向设备发送invite命令获取流
- `PreFetchRecord` bool
-
-* sip服务器的配置
- `SipNetwork` string 传输协议，默认UDP，可选TCP
- `SipIP`      string sip 服务器公网IP 默认 自动适配设备网段
- `SipPort`    uint16 sip 服务器端口，默认 5060
- `Serial`     string sip 服务器 id, 默认 34020000002000000001
- `Realm`      string sip 服务器域，默认 3402000000
- `Username`   string sip 服务器账号
- `Password`   string sip 服务器密码
-
- `RegisterValidity`  time.Duration    注册有效期，单位秒，默认 60
-
-* 媒体服务器配置
- `MediaIP`          string 媒体服务器地址 默认 自动适配设备网段
- `MediaPort`        uint16 媒体服务器端口
- `MediaNetwork`     string 媒体传输协议，默认UDP，可选TCP
- `MediaIdleTimeout` uint16 推流超时时间，超过则断开链接，让设备重连
- `MediaPortMin`     uint16 媒体服务器端口范围最小值
- `MediaPortMax`     uint16 媒体服务器端口范围最大值
- `LogLevel`          string 日志级别，默认 info（trace，debug，info，warn，error，fatal, panic）
- `RemoveBanInterval` time.Duration  定时移除注册失败的设备黑名单，单位秒，默认10分钟（600秒）
- `UdpCacheSize`      int  表示UDP缓存大小，默认为0，不开启。仅当TCP关闭，切缓存大于0时才开启，会最多缓存最多N个包，并排序，修复乱序造成的无法播放问题，注意开启后，会有一定的性能损耗，并丢失部分包。
-
 **如果配置了端口范围，将采用范围端口机制，每一个流对应一个端口

 **注意某些摄像机没有设置用户名的地方，摄像机会以自身的国标id作为用户名，这个时候m7s会忽略使用摄像机的用户名，忽略配置的用户名**
@@ -132,7 +102,7 @@ type Device struct {
 | startTime | 否   | 开始时间（纯数字Unix时间戳） |
 | endTime   | 否   | 结束时间（纯数字Unix时间戳） |

-返回200代表成功
+返回200代表成功, 304代表已经在拉取中，不能重复拉（仅仅针对直播流）

 ### 停止从设备拉流

@@ -143,6 +113,8 @@ type Device struct {
 | id      | 是   | 设备ID   |
 | channel | 是   | 通道编号 |

+http 200 表示成功，404流不存在
+
 ### 发送控制命令

 `/gb28181/api/control`
@@ -161,8 +133,8 @@ type Device struct {
 | --------- | ---- | -------------------------------------------- |
 | id        | 是   | 设备ID                                       |
 | channel   | 是   | 通道编号                                     |
-| startTime | 否   | 开始时间（字符串，格式：2021-7-23T12:00:00） |
-| endTime   | 否   | 结束时间（字符串格式同上）                   |
+| startTime | 否   | 开始时间（Unix时间戳） |
+| endTime   | 否   | 结束时间（Unix时间戳）                   |

 ### 移动位置订阅

--- a/channel.go
+++ b/channel.go
@@ -1,41 +1,127 @@
 package gb28181

 import (
-	"errors"
 	"fmt"
-	"math/rand"
 	"net/http"
 	"strconv"
 	"strings"
-	"sync"
 	"time"

+	"sync/atomic"
+
 	"github.com/ghettovoice/gosip/sip"
 	"go.uber.org/zap"
 	. "m7s.live/engine/v4"
+	"m7s.live/engine/v4/log"
 	"m7s.live/plugin/gb28181/v4/utils"
+	"m7s.live/plugin/ps/v4"
 )

-type ChannelEx struct {
-	device          *Device
-	RecordPublisher *GBPublisher `json:"-"`
-	LivePublisher   *GBPublisher
-	LiveSubSP       string //实时子码流
-	Records         []*Record
-	RecordStartTime string
-	RecordEndTime   string
-	recordStartTime time.Time
-	recordEndTime   time.Time
-	liveInviteLock  *sync.Mutex
-	tcpPortIndex    uint16
-	GpsTime         time.Time //gps时间
-	Longitude       string    //经度
-	Latitude        string    //纬度
+var QUERY_RECORD_TIMEOUT = time.Second * 5
+
+type PullStream struct {
+	opt       *InviteOptions
+	channel   *Channel
+	inviteRes sip.Response
+}
+
+func (p *PullStream) CreateRequest(method sip.RequestMethod) (req sip.Request) {
+	res := p.inviteRes
+	req = p.channel.CreateRequst(method)
+	from, _ := res.From()
+	to, _ := res.To()
+	callId, _ := res.CallID()
+	req.ReplaceHeaders(from.Name(), []sip.Header{from})
+	req.ReplaceHeaders(to.Name(), []sip.Header{to})
+	req.ReplaceHeaders(callId.Name(), []sip.Header{callId})
+	return
+}
+
+func (p *PullStream) Bye() int {
+	req := p.CreateRequest(sip.BYE)
+	resp, err := p.channel.device.SipRequestForResponse(req)
+	if p.opt.IsLive() {
+		p.channel.status.Store(0)
+	}
+	if p.opt.recyclePort != nil {
+		p.opt.recyclePort(p.opt.MediaPort)
+	}
+	if err != nil {
+		return http.StatusInternalServerError
+	}
+	return int(resp.StatusCode())
+}
+
+func (p *PullStream) info(body string) int {
+	d := p.channel.device
+	req := p.CreateRequest(sip.INFO)
+	contentType := sip.ContentType("Application/MANSRTSP")
+	req.AppendHeader(&contentType)
+	req.SetBody(body, true)
+
+	resp, err := d.SipRequestForResponse(req)
+	if err != nil {
+		log.Warnf("Send info to stream error: %v, stream=%s, body=%s", err, p.opt.StreamPath, body)
+		return getSipRespErrorCode(err)
+	}
+	return int(resp.StatusCode())
+}
+
+// 暂停播放
+func (p *PullStream) Pause() int {
+	body := fmt.Sprintf(`PAUSE RTSP/1.0
+CSeq: %d
+PauseTime: now
+`, p.channel.device.sn)
+	return p.info(body)
+}
+
+// 恢复播放
+func (p *PullStream) Resume() int {
+	d := p.channel.device
+	body := fmt.Sprintf(`PLAY RTSP/1.0
+CSeq: %d
+Range: npt=now-
+`, d.sn)
+	return p.info(body)
+}
+
+// 跳转到播放时间
+// second: 相对于起始点调整到第 sec 秒播放
+func (p *PullStream) PlayAt(second uint) int {
+	d := p.channel.device
+	body := fmt.Sprintf(`PLAY RTSP/1.0
+CSeq: %d
+Range: npt=%d-
+`, d.sn, second)
+	return p.info(body)
+}
+
+// 快进/快退播放
+// speed 取值： 0.25 0.5 1 2 4 或者其对应的负数表示倒放
+func (p *PullStream) PlayForward(speed float32) int {
+	d := p.channel.device
+	body := fmt.Sprintf(`PLAY RTSP/1.0
+CSeq: %d
+Scale: %0.6f
+`, d.sn, speed)
+	return p.info(body)
+}
+
+type Channel struct {
+	device      *Device      // 所属设备
+	status      atomic.Int32 // 通道状态,0:空闲,1:正在invite,2:正在播放
+	LiveSubSP   string       // 实时子码流，通过rtsp
+	GpsTime     time.Time    //gps时间
+	Longitude   string       //经度
+	Latitude    string       //纬度
+	*log.Logger `json:"-" yaml:"-"`
+	ChannelInfo
 }

 // Channel 通道
-type Channel struct {
-	DeviceID     string
+type ChannelInfo struct {
+	DeviceID     string // 通道ID
 	ParentID     string
 	Name         string
 	Manufacturer string
@@ -48,11 +134,16 @@ type Channel struct {
 	SafetyWay    int
 	RegisterWay  int
 	Secrecy      int
-	Status       string
-	Children     []*Channel `json:"-"`
-	ChannelEx               //自定义属性
+	Status       ChannelStatus
 }

+type ChannelStatus string
+
+const (
+	ChannelOnStatus  = "ON"
+	ChannelOffStatus = "OFF"
+)
+
 func (channel *Channel) CreateRequst(Method sip.RequestMethod) (req sip.Request) {
 	d := channel.device
 	d.sn++
@@ -77,9 +168,13 @@ func (channel *Channel) CreateRequst(Method sip.RequestMethod) (req sip.Request)
 	//非同一域的目标地址需要使用@host
 	host := conf.Realm
 	if channel.DeviceID[0:9] != host {
-		deviceIp := d.NetAddr
-		deviceIp = deviceIp[0:strings.LastIndex(deviceIp, ":")]
-		host = fmt.Sprintf("%s:%d", deviceIp, channel.Port)
+		if channel.Port != 0 {
+			deviceIp := d.NetAddr
+			deviceIp = deviceIp[0:strings.LastIndex(deviceIp, ":")]
+			host = fmt.Sprintf("%s:%d", deviceIp, channel.Port)
+		} else {
+			host = d.NetAddr
+		}
 	}

 	channelAddr := sip.Address{
@@ -108,33 +203,41 @@ func (channel *Channel) CreateRequst(Method sip.RequestMethod) (req sip.Request)
 	req.SetDestination(d.NetAddr)
 	return req
 }
-func (channel *Channel) QueryRecord(startTime, endTime string) int {
+
+func (channel *Channel) QueryRecord(startTime, endTime string) ([]*Record, error) {
 	d := channel.device
-	channel.RecordStartTime = startTime
-	channel.RecordEndTime = endTime
-	channel.recordStartTime, _ = time.Parse(TIME_LAYOUT, startTime)
-	channel.recordEndTime, _ = time.Parse(TIME_LAYOUT, endTime)
-	channel.Records = nil
 	request := d.CreateRequest(sip.MESSAGE)
 	contentType := sip.ContentType("Application/MANSCDP+xml")
 	request.AppendHeader(&contentType)
-	body := fmt.Sprintf(`<?xml version="1.0"?>
-		<Query>
-		<CmdType>RecordInfo</CmdType>
-		<SN>%d</SN>
-		<DeviceID>%s</DeviceID>
-		<StartTime>%s</StartTime>
-		<EndTime>%s</EndTime>
-		<Secrecy>0</Secrecy>
-		<Type>all</Type>
-		</Query>`, d.sn, channel.DeviceID, startTime, endTime)
+	// body := fmt.Sprintf(`<?xml version="1.0"?>
+	// 	<Query>
+	// 	<CmdType>RecordInfo</CmdType>
+	// 	<SN>%d</SN>
+	// 	<DeviceID>%s</DeviceID>
+	// 	<StartTime>%s</StartTime>
+	// 	<EndTime>%s</EndTime>
+	// 	<Secrecy>0</Secrecy>
+	// 	<Type>all</Type>
+	// 	</Query>`, d.sn, channel.DeviceID, startTime, endTime)
+	start, _ := strconv.ParseInt(startTime, 10, 0)
+	end, _ := strconv.ParseInt(endTime, 10, 0)
+	body := BuildRecordInfoXML(d.sn, channel.DeviceID, start, end)
 	request.SetBody(body, true)
+
+	resultCh := RecordQueryLink.WaitResult(d.ID, channel.DeviceID, d.sn, QUERY_RECORD_TIMEOUT)
 	resp, err := d.SipRequestForResponse(request)
 	if err != nil {
-		return http.StatusRequestTimeout
+		return nil, fmt.Errorf("query error: %s", err)
 	}
-	return int(resp.StatusCode())
+	if resp.StatusCode() != http.StatusOK {
+		return nil, fmt.Errorf("query error, status=%d", resp.StatusCode())
+	}
+	// RecordQueryLink 中加了超时机制，该结果一定会返回
+	// 所以此处不用再增加超时等保护机制
+	r := <-resultCh
+	return r.list, r.err
 }
+
 func (channel *Channel) Control(PTZCmd string) int {
 	d := channel.device
 	request := d.CreateRequest(sip.MESSAGE)
@@ -155,64 +258,8 @@ func (channel *Channel) Control(PTZCmd string) int {
 	return int(resp.StatusCode())
 }

-type InviteOptions struct {
-	Start     int
-	End       int
-	dump      string
-	ssrc      string
-	SSRC      uint32
-	MediaPort uint16
-}
-
-func (o InviteOptions) IsLive() bool {
-	return o.Start == 0 || o.End == 0
-}
-
-func (o InviteOptions) Record() bool {
-	return !o.IsLive()
-}
-
-func (o *InviteOptions) Validate(start, end string) error {
-	if start != "" {
-		sint, err1 := strconv.ParseInt(start, 10, 0)
-		if err1 != nil {
-			return err1
-		}
-		o.Start = int(sint)
-	}
-	if end != "" {
-		eint, err2 := strconv.ParseInt(end, 10, 0)
-		if err2 != nil {
-			return err2
-		}
-		o.End = int(eint)
-	}
-	if o.Start >= o.End {
-		return errors.New("start < end")
-	}
-	return nil
-}
-
-func (o InviteOptions) String() string {
-	return fmt.Sprintf("t=%d %d", o.Start, o.End)
-}
-
-func (o *InviteOptions) CreateSSRC() {
-	ssrc := make([]byte, 10)
-	if o.IsLive() {
-		ssrc[0] = '0'
-	} else {
-		ssrc[0] = '1'
-	}
-	copy(ssrc[1:6], conf.Serial[3:8])
-	randNum := 1000 + rand.Intn(8999)
-	copy(ssrc[6:], strconv.Itoa(randNum))
-	o.ssrc = string(ssrc)
-	_ssrc, _ := strconv.ParseInt(o.ssrc, 10, 0)
-	o.SSRC = uint32(_ssrc)
-}
-
-//Invite  发送Invite报文，注意里面的锁保证不同时发送invite报文，该锁由channel持有
+// Invite 发送Invite报文 invites a channel to play
+// 注意里面的锁保证不同时发送invite报文，该锁由channel持有
 /***
 f字段： f = v/编码格式/分辨率/帧率/码率类型/码率大小a/编码格式/码率大小/采样率
 各项具体含义：
@@ -257,18 +304,27 @@ f = v/a/编码格式/码率大小/采样率
 f字段中视、音频参数段之间不需空格分割。
 可使用f字段中的分辨率参数标识同一设备不同分辨率的码流。
 */
-func (channel *Channel) Invite(opt InviteOptions) (code int, err error) {
+
+func (channel *Channel) Invite(opt *InviteOptions) (code int, err error) {
 	if opt.IsLive() {
-		if !channel.liveInviteLock.TryLock() {
+		if !channel.status.CompareAndSwap(0, 1) {
 			return 304, nil
 		}
 		defer func() {
-			if code != 200 {
-				channel.liveInviteLock.Unlock()
+			if err != nil {
+				GB28181Plugin.Error("Invite", zap.Error(err))
+				channel.status.Store(0)
+				if conf.InviteMode == 1 {
+					// 5秒后重试
+					time.AfterFunc(time.Second*5, func() {
+						channel.Invite(opt)
+					})
+				}
+			} else {
+				channel.status.Store(2)
 			}
 		}()
 	}
-	channel.Bye(opt.IsLive())
 	d := channel.device
 	streamPath := fmt.Sprintf("%s/%s", d.ID, channel.DeviceID)
 	s := "Play"
@@ -277,49 +333,39 @@ func (channel *Channel) Invite(opt InviteOptions) (code int, err error) {
 		s = "Playback"
 		streamPath = fmt.Sprintf("%s/%s/%d-%d", d.ID, channel.DeviceID, opt.Start, opt.End)
 	}
+	if opt.StreamPath != "" {
+		streamPath = opt.StreamPath
+	} else {
+		opt.StreamPath = streamPath
+	}
 	if opt.dump == "" {
 		opt.dump = conf.DumpPath
 	}
-	// size := 1
-	// fps := 15
-	// bitrate := 200
-	// fmt.Sprintf("f=v/2/%d/%d/1/%da///", size, fps, bitrate)
-	publisher := &GBPublisher{
-		InviteOptions: opt,
-		channel:       channel,
-	}
 	protocol := ""
+	networkType := "udp"
+	reusePort := true
 	if conf.IsMediaNetworkTCP() {
+		networkType = "tcp"
 		protocol = "TCP/"
 		if conf.tcpPorts.Valid {
-			opt.MediaPort, err = publisher.ListenTCP()
-			if err != nil {
-				return 500, err
-			}
-		} else if opt.MediaPort == 0 {
-			opt.MediaPort = conf.MediaPort
+			opt.MediaPort, err = conf.tcpPorts.GetPort()
+			opt.recyclePort = conf.tcpPorts.Recycle
+			reusePort = false
 		}
 	} else {
 		if conf.udpPorts.Valid {
-			opt.MediaPort, err = publisher.ListenUDP()
-			if err != nil {
-				code = 500
-				return
-			}
-		} else if opt.MediaPort == 0 {
-			opt.MediaPort = conf.MediaPort
+			opt.MediaPort, err = conf.udpPorts.GetPort()
+			opt.recyclePort = conf.udpPorts.Recycle
+			reusePort = false
 		}
 	}
-	// if opt.MediaPort == 0 {
-	// 	opt.MediaPort = conf.MediaPort
-	// 	if conf.IsMediaNetworkTCP() {
-	// 		protocol = "TCP/"
-	// 		opt.MediaPort = conf.MediaPort + channel.tcpPortIndex
-	// 		if channel.tcpPortIndex++; channel.tcpPortIndex >= conf.MediaPortMax {
-	// 			channel.tcpPortIndex = 0
-	// 		}
-	// 	}
-	// }
+	if err != nil {
+		return http.StatusInternalServerError, err
+	}
+	if opt.MediaPort == 0 {
+		opt.MediaPort = conf.MediaPort
+	}
+
 	sdpInfo := []string{
 		"v=0",
 		fmt.Sprintf("o=%s 0 0 IN IP4 %s", channel.DeviceID, d.mediaIP),
@@ -331,7 +377,6 @@ func (channel *Channel) Invite(opt InviteOptions) (code int, err error) {
 		"a=recvonly",
 		"a=rtpmap:96 PS/90000",
 		"y=" + opt.ssrc,
-		"",
 	}
 	if conf.IsMediaNetworkTCP() {
 		sdpInfo = append(sdpInfo, "a=setup:passive", "a=connection:new")
@@ -340,61 +385,153 @@ func (channel *Channel) Invite(opt InviteOptions) (code int, err error) {
 	contentType := sip.ContentType("application/sdp")
 	invite.AppendHeader(&contentType)

-	invite.SetBody(strings.Join(sdpInfo, "\r\n"), true)
+	invite.SetBody(strings.Join(sdpInfo, "\r\n")+"\r\n", true)

 	subject := sip.GenericHeader{
 		HeaderName: "Subject", Contents: fmt.Sprintf("%s:%s,%s:0", channel.DeviceID, opt.ssrc, conf.Serial),
 	}
 	invite.AppendHeader(&subject)
-	publisher.inviteRes, err = d.SipRequestForResponse(invite)
+	inviteRes, err := d.SipRequestForResponse(invite)
 	if err != nil {
-		plugin.Error(fmt.Sprintf("SIP->Invite %s :%s invite error: %s", channel.DeviceID, invite.String(), err.Error()))
+		channel.Error("invite", zap.Error(err), zap.String("msg", invite.String()))
 		return http.StatusInternalServerError, err
 	}
-	code = int(publisher.inviteRes.StatusCode())
-	plugin.Info(fmt.Sprintf("Channel :%s invite response status code: %d", channel.DeviceID, code))
-	if code == 200 {
-		ds := strings.Split(publisher.inviteRes.Body(), "\r\n")
+	code = int(inviteRes.StatusCode())
+	channel.Info("invite response", zap.Int("status code", code))
+
+	if code == http.StatusOK {
+		ds := strings.Split(inviteRes.Body(), "\r\n")
 		for _, l := range ds {
 			if ls := strings.Split(l, "="); len(ls) > 1 {
 				if ls[0] == "y" && len(ls[1]) > 0 {
 					if _ssrc, err := strconv.ParseInt(ls[1], 10, 0); err == nil {
 						opt.SSRC = uint32(_ssrc)
 					} else {
-						plugin.Error("read invite response y ", zap.Error(err))
+						channel.Error("read invite response y ", zap.Error(err))
+					}
+					//	break
+				}
+				if ls[0] == "m" && len(ls[1]) > 0 {
+					netinfo := strings.Split(ls[1], " ")
+					if strings.ToUpper(netinfo[2]) == "TCP/RTP/AVP" {
+						channel.Debug("Device support tcp")
+					} else {
+						channel.Debug("Device not support tcp")
+						networkType = "udp"
 					}
-					break
 				}
 			}
 		}
-		if conf.UdpCacheSize > 0 && !conf.IsMediaNetworkTCP() {
-			publisher.udpCache = utils.NewPqRtp()
+		err = ps.Receive(streamPath, opt.dump, fmt.Sprintf("%s:%d", networkType, opt.MediaPort), opt.SSRC, reusePort)
+		if err == nil {
+			PullStreams.Store(streamPath, &PullStream{
+				opt:       opt,
+				channel:   channel,
+				inviteRes: inviteRes,
+			})
+			err = srv.Send(sip.NewAckRequest("", invite, inviteRes, "", nil))
 		}
-		if err = plugin.Publish(streamPath, publisher); err != nil {
-			code = 403
-			return
-		}
-		ack := sip.NewAckRequest("", invite, publisher.inviteRes, "", nil)
-		srv.Send(ack)
-	} else if opt.IsLive() && conf.AutoInvite {
-		time.AfterFunc(time.Second*5, func() {
-			channel.Invite(InviteOptions{})
-		})
 	}
 	return
 }

-func (channel *Channel) Bye(live bool) int {
+func (channel *Channel) Bye(streamPath string) int {
 	d := channel.device
-	streamPath := fmt.Sprintf("%s/%s", d.ID, channel.DeviceID)
-	if s := Streams.Get(streamPath); s != nil {
-		s.Close()
+	if streamPath == "" {
+		streamPath = fmt.Sprintf("%s/%s", d.ID, channel.DeviceID)
 	}
-	if live && channel.LivePublisher != nil {
-		return channel.LivePublisher.Bye()
+	if s, loaded := PullStreams.LoadAndDelete(streamPath); loaded {
+		s.(*PullStream).Bye()
+		if s := Streams.Get(streamPath); s != nil {
+			s.Close()
+		}
+		return http.StatusOK
+	}
+	return http.StatusNotFound
+}
+
+func (channel *Channel) Pause(streamPath string) int {
+	if s, loaded := PullStreams.Load(streamPath); loaded {
+		r := s.(*PullStream).Pause()
+		if s := Streams.Get(streamPath); s != nil {
+			s.Pause()
+		}
+		return r
+	}
+	return http.StatusNotFound
+}
+
+func (channel *Channel) Resume(streamPath string) int {
+	if s, loaded := PullStreams.Load(streamPath); loaded {
+		r := s.(*PullStream).Resume()
+		if s := Streams.Get(streamPath); s != nil {
+			s.Resume()
+		}
+		return r
+	}
+	return http.StatusNotFound
+}
+
+func (channel *Channel) PlayAt(streamPath string, second uint) int {
+	if s, loaded := PullStreams.Load(streamPath); loaded {
+		r := s.(*PullStream).PlayAt(second)
+		if s := Streams.Get(streamPath); s != nil {
+			s.Resume()
+		}
+		return r
+	}
+	return http.StatusNotFound
+}
+
+func (channel *Channel) PlayForward(streamPath string, speed float32) int {
+	if s, loaded := PullStreams.Load(streamPath); loaded {
+		return s.(*PullStream).PlayForward(speed)
+	}
+	if s := Streams.Get(streamPath); s != nil {
+		s.Resume()
+	}
+	return http.StatusNotFound
+}
+
+func (channel *Channel) TryAutoInvite(opt *InviteOptions) {
+	if channel.CanInvite() {
+		go channel.Invite(opt)
+	}
+}
+
+func (channel *Channel) CanInvite() bool {
+	if channel.status.Load() != 0 || len(channel.DeviceID) != 20 || channel.Status == ChannelOffStatus {
+		return false
+	}
+
+	if conf.InviteIDs == "" {
+		return true
+	}
+
+	// 11～13位是设备类型编码
+	typeID := channel.DeviceID[10:13]
+
+	// format: start-end,type1,type2
+	tokens := strings.Split(conf.InviteIDs, ",")
+	for _, tok := range tokens {
+		if first, second, ok := strings.Cut(tok, "-"); ok {
+			if typeID >= first && typeID <= second {
+				return true
+			}
+		} else {
+			if typeID == first {
+				return true
+			}
+		}
+	}
+
+	return false
+}
+
+func getSipRespErrorCode(err error) int {
+	if re, ok := err.(*sip.RequestError); ok {
+		return int(re.Code)
+	} else {
+		return http.StatusInternalServerError
 	}
-	if !live && channel.RecordPublisher != nil {
-		return channel.RecordPublisher.Bye()
-	}
-	return 404
 }
--- a/const.go
+++ b/const.go
@@ -0,0 +1,66 @@
+package gb28181
+
+var reasons = map[int]string{
+	100: "Trying",
+	180: "Ringing",
+	181: "Call Is Being Forwarded",
+	182: "Queued",
+	183: "Session Progress",
+	200: "OK",
+	202: "Accepted",
+	300: "Multiple Choices",
+	301: "Moved Permanently",
+	302: "Moved Temporarily",
+	305: "Use Proxy",
+	380: "Alternative Service",
+	400: "Bad Request",
+	401: "Unauthorized",
+	402: "Payment Required",
+	403: "Forbidden",
+	404: "Not Found",
+	405: "Method Not Allowed",
+	406: "Not Acceptable",
+	407: "Proxy Authentication Required",
+	408: "Request Timeout",
+	410: "Gone",
+	413: "Request Entity Too Large",
+	414: "Request-URI Too Long",
+	415: "Unsupported Media Type",
+	416: "Unsupported URI Scheme",
+	420: "Bad Extension",
+	421: "Extension Required",
+	423: "Interval Too Brief",
+	480: "Temporarily Unavailable",
+	481: "Call transaction Does Not Exist",
+	482: "Loop Detected",
+	483: "Too Many Hops",
+	484: "Address Incomplete",
+	485: "Ambiguous",
+	486: "Busy Here",
+	487: "Request Terminated",
+	488: "Not Acceptable Here",
+	489: "Bad Event",
+	491: "Request Pending",
+	493: "Undecipherable",
+	500: "Server Internal Error",
+	501: "Not Implemented",
+	502: "Bad Gateway",
+	503: "Service Unavailable",
+	504: "Server Tim",
+	505: "Version Not Supported",
+	513: "message Too Large",
+	600: "Busy Everywhere",
+	603: "Decline",
+	604: "Does Not Exist Anywhere",
+	606: "SESSION NOT ACCEPTABLE",
+}
+
+func Explain(statusCode int) string {
+	return reasons[statusCode]
+}
+
+const (
+	INVIDE_MODE_MANUAL = iota
+	INVIDE_MODE_AUTO
+	INVIDE_MODE_ONSUBSCRIBE
+)
--- a/device.go
+++ b/device.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"golang.org/x/exp/maps"
 	"net/http"
 	"os"
 	"strings"
@@ -13,6 +12,7 @@ import (

 	"go.uber.org/zap"
 	"m7s.live/engine/v4"
+	"m7s.live/engine/v4/log"
 	"m7s.live/plugin/gb28181/v4/utils"

 	// . "github.com/logrusorgru/aurora"
@@ -24,7 +24,6 @@ const TIME_LAYOUT = "2006-01-02T15:04:05"

 // Record 录像
 type Record struct {
-	//channel   *Channel
 	DeviceID  string
 	Name      string
 	FilePath  string
@@ -45,8 +44,18 @@ var (
 	DeviceRegisterCount sync.Map //设备注册次数
 )

+type DeviceStatus string
+
+const (
+	DeviceRegisterStatus = "REGISTER"
+	DeviceRecoverStatus  = "RECOVER"
+	DeviceOnlineStatus   = "ONLINE"
+	DeviceOfflineStatus  = "OFFLINE"
+	DeviceAlarmedStatus  = "ALARMED"
+)
+
 type Device struct {
-	//*transaction.Core `json:"-"`
+	//*transaction.Core `json:"-" yaml:"-"`
 	ID              string
 	Name            string
 	Manufacturer    string
@@ -55,14 +64,13 @@ type Device struct {
 	RegisterTime    time.Time
 	UpdateTime      time.Time
 	LastKeepaliveAt time.Time
-	Status          string
+	Status          DeviceStatus
 	sn              int
 	addr            sip.Address
 	sipIP           string //设备对应网卡的服务器ip
 	mediaIP         string //设备对应网卡的服务器ip
 	NetAddr         string
-	channelMap      map[string]*Channel
-	channelMutex    sync.RWMutex
+	channelMap      sync.Map
 	subscriber      struct {
 		CallID  string
 		Timeout time.Time
@@ -71,17 +79,23 @@ type Device struct {
 	GpsTime      time.Time //gps时间
 	Longitude    string    //经度
 	Latitude     string    //纬度
+	*log.Logger  `json:"-" yaml:"-"`
 }

 func (d *Device) MarshalJSON() ([]byte, error) {
 	type Alias Device
-	return json.Marshal(&struct {
-		Channels []*Channel
+	data := &struct {
+		Channels []*ChannelInfo
 		*Alias
 	}{
-		Channels: maps.Values(d.channelMap),
-		Alias:    (*Alias)(d),
+		Alias: (*Alias)(d),
+	}
+	d.channelMap.Range(func(key, value interface{}) bool {
+		c := value.(*Channel)
+		data.Channels = append(data.Channels, &c.ChannelInfo)
+		return true
 	})
+	return json.Marshal(data)
 }
 func (c *GB28181Config) RecoverDevice(d *Device, req sip.Request) {
 	from, _ := req.From()
@@ -109,13 +123,12 @@ func (c *GB28181Config) RecoverDevice(d *Device, req sip.Request) {
 	if c.MediaIP != "" {
 		mediaIp = c.MediaIP
 	}
-	plugin.Info("RecoverDevice", zap.String("id", d.ID), zap.String("deviceIp", deviceIp), zap.String("servIp", servIp), zap.String("sipIP", sipIP), zap.String("mediaIp", mediaIp))
-	d.Status = string(sip.REGISTER)
+	d.Info("RecoverDevice", zap.String("deviceIp", deviceIp), zap.String("servIp", servIp), zap.String("sipIP", sipIP), zap.String("mediaIp", mediaIp))
+	d.Status = DeviceRegisterStatus
 	d.sipIP = sipIP
 	d.mediaIP = mediaIp
 	d.NetAddr = deviceIp
 	d.UpdateTime = time.Now()
-	d.channelMap = make(map[string]*Channel)
 }

 func (c *GB28181Config) StoreDevice(id string, req sip.Request) (d *Device) {
@@ -130,7 +143,7 @@ func (c *GB28181Config) StoreDevice(id string, req sip.Request) (d *Device) {
 		d.UpdateTime = time.Now()
 		d.NetAddr = deviceIp
 		d.addr = deviceAddr
-		plugin.Debug("UpdateDevice", zap.String("id", id), zap.String("netaddr", d.NetAddr))
+		d.Debug("UpdateDevice", zap.String("netaddr", d.NetAddr))
 	} else {
 		servIp := req.Recipient().Host()
 		//根据网卡ip获取对应的公网ip
@@ -151,18 +164,18 @@ func (c *GB28181Config) StoreDevice(id string, req sip.Request) (d *Device) {
 		if c.MediaIP != "" {
 			mediaIp = c.MediaIP
 		}
-		plugin.Info("StoreDevice", zap.String("id", id), zap.String("deviceIp", deviceIp), zap.String("servIp", servIp), zap.String("sipIP", sipIP), zap.String("mediaIp", mediaIp))
 		d = &Device{
 			ID:           id,
 			RegisterTime: time.Now(),
 			UpdateTime:   time.Now(),
-			Status:       string(sip.REGISTER),
+			Status:       DeviceRegisterStatus,
 			addr:         deviceAddr,
 			sipIP:        sipIP,
 			mediaIP:      mediaIp,
 			NetAddr:      deviceIp,
-			channelMap:   make(map[string]*Channel),
+			Logger:       GB28181Plugin.With(zap.String("id", id)),
 		}
+		d.Info("StoreDevice", zap.String("deviceIp", deviceIp), zap.String("servIp", servIp), zap.String("sipIP", sipIP), zap.String("mediaIp", mediaIp))
 		Devices.Store(id, d)
 		c.SaveDevices()
 	}
@@ -176,6 +189,7 @@ func (c *GB28181Config) ReadDevices() {
 			for _, item := range items {
 				if time.Since(item.UpdateTime) < conf.RegisterValidity {
 					item.Status = "RECOVER"
+					item.Logger = GB28181Plugin.With(zap.String("id", item.ID))
 					Devices.Store(item.ID, item)
 				}
 			}
@@ -196,42 +210,31 @@ func (c *GB28181Config) SaveDevices() {
 	}
 }

-func (d *Device) addOrUpdateChannel(channel *Channel) {
-	d.channelMutex.Lock()
-	defer d.channelMutex.Unlock()
-	channel.device = d
-	var oldLock *sync.Mutex
-	if old, ok := d.channelMap[channel.DeviceID]; ok {
-		//复制锁指针
-		oldLock = old.liveInviteLock
-	}
-	if oldLock == nil {
-		channel.liveInviteLock = &sync.Mutex{}
+func (d *Device) addOrUpdateChannel(info ChannelInfo) (c *Channel) {
+	if old, ok := d.channelMap.Load(info.DeviceID); ok {
+		c = old.(*Channel)
+		c.ChannelInfo = info
 	} else {
-		channel.liveInviteLock = oldLock
-	}
-	d.channelMap[channel.DeviceID] = channel
-}
-
-func (d *Device) deleteChannel(DeviceID string) {
-	d.channelMutex.Lock()
-	defer d.channelMutex.Unlock()
-	delete(d.channelMap, DeviceID)
-}
-
-func (d *Device) CheckSubStream() {
-	d.channelMutex.Lock()
-	defer d.channelMutex.Unlock()
-	for _, c := range d.channelMap {
-		if s := engine.Streams.Get("sub/" + c.DeviceID); s != nil {
+		c = &Channel{
+			device:      d,
+			ChannelInfo: info,
+			Logger:      d.Logger.With(zap.String("channel", info.DeviceID)),
+		}
+		if s := engine.Streams.Get(fmt.Sprintf("%s/%s/rtsp", c.device.ID, c.DeviceID)); s != nil {
 			c.LiveSubSP = s.Path
 		} else {
 			c.LiveSubSP = ""
 		}
+		d.channelMap.Store(info.DeviceID, c)
 	}
+	return
 }
-func (d *Device) UpdateChannels(list []*Channel) {

+func (d *Device) deleteChannel(DeviceID string) {
+	d.channelMap.Delete(DeviceID)
+}
+
+func (d *Device) UpdateChannels(list ...ChannelInfo) {
 	for _, c := range list {
 		if _, ok := conf.Ignores[c.DeviceID]; ok {
 			continue
@@ -240,43 +243,32 @@ func (d *Device) UpdateChannels(list []*Channel) {
 		if c.ParentID != "" {
 			path := strings.Split(c.ParentID, "/")
 			parentId := path[len(path)-1]
-			if c.DeviceID != parentId {
+			//如果父ID并非本身所属设备，一般情况下这是因为下级设备上传了目录信息，该信息通常不需要处理。
+			// 暂时不考虑级联目录的实现
+			if d.ID != parentId {
 				if v, ok := Devices.Load(parentId); ok {
 					parent := v.(*Device)
 					parent.addOrUpdateChannel(c)
 					continue
+				} else {
+					c.Model = "Directory " + c.Model
+					c.Status = "NoParent"
 				}
 			}
 		}
 		//本设备增加通道
-		d.addOrUpdateChannel(c)
+		channel := d.addOrUpdateChannel(c)

-		//预取和邀请
-		if conf.PreFetchRecord {
-			n := time.Now()
-			n = time.Date(n.Year(), n.Month(), n.Day(), 0, 0, 0, 0, time.Local)
-			if len(c.Records) == 0 || (n.Format(TIME_LAYOUT) == c.RecordStartTime &&
-				n.Add(time.Hour*24-time.Second).Format(TIME_LAYOUT) == c.RecordEndTime) {
-				go c.QueryRecord(n.Format(TIME_LAYOUT), n.Add(time.Hour*24-time.Second).Format(TIME_LAYOUT))
-			}
-		}
-		if conf.AutoInvite && (c.LivePublisher == nil) {
-			go c.Invite(InviteOptions{})
+		if conf.InviteMode == INVIDE_MODE_AUTO {
+			channel.TryAutoInvite(&InviteOptions{})
 		}
 		if s := engine.Streams.Get("sub/" + c.DeviceID); s != nil {
-			c.LiveSubSP = s.Path
+			channel.LiveSubSP = s.Path
 		} else {
-			c.LiveSubSP = ""
+			channel.LiveSubSP = ""
 		}
 	}
 }
-func (d *Device) UpdateRecord(channelId string, list []*Record) {
-	d.channelMutex.RLock()
-	if c, ok := d.channelMap[channelId]; ok {
-		c.Records = append(c.Records, list...)
-	}
-	d.channelMutex.RUnlock()
-}

 func (d *Device) CreateRequest(Method sip.RequestMethod) (req sip.Request) {
 	d.sn++
@@ -360,7 +352,7 @@ func (d *Device) Subscribe() int {

 	response, err := d.SipRequestForResponse(request)
 	if err == nil && response != nil {
-		if response.StatusCode() == 200 {
+		if response.StatusCode() == http.StatusOK {
 			callId, _ := request.CallID()
 			d.subscriber.CallID = string(*callId)
 		} else {
@@ -382,10 +374,13 @@ func (d *Device) Catalog() int {
 	request.AppendHeader(&expires)
 	request.SetBody(BuildCatalogXML(d.sn, d.ID), true)
 	// 输出Sip请求设备通道信息信令
-	plugin.Sugar().Debugf("SIP->Catalog:%s", request)
+	GB28181Plugin.Sugar().Debugf("SIP->Catalog:%s", request)
 	resp, err := d.SipRequestForResponse(request)
 	if err == nil && resp != nil {
+		GB28181Plugin.Sugar().Debugf("SIP<-Catalog Response: %s", resp.String())
 		return int(resp.StatusCode())
+	} else if err != nil {
+		GB28181Plugin.Error("SIP<-Catalog error:", zap.Error(err))
 	}
 	return http.StatusRequestTimeout
 }
@@ -407,8 +402,8 @@ func (d *Device) QueryDeviceInfo() {
 			// 	received, _ := via.Params.Get("received")
 			// 	d.SipIP = received.String()
 			// }
-			plugin.Info(fmt.Sprintf("QueryDeviceInfo:%s ipaddr:%s response code:%d", d.ID, d.NetAddr, response.StatusCode()))
-			if response.StatusCode() == 200 {
+			d.Info("QueryDeviceInfo", zap.Uint16("status code", uint16(response.StatusCode())))
+			if response.StatusCode() == http.StatusOK {
 				break
 			}
 		}
@@ -436,7 +431,7 @@ func (d *Device) MobilePositionSubscribe(id string, expires time.Duration, inter

 	response, err := d.SipRequestForResponse(mobilePosition)
 	if err == nil && response != nil {
-		if response.StatusCode() == 200 {
+		if response.StatusCode() == http.StatusOK {
 			callId, _ := mobilePosition.CallID()
 			d.subscriber.CallID = callId.String()
 		} else {
@@ -449,17 +444,18 @@ func (d *Device) MobilePositionSubscribe(id string, expires time.Duration, inter

 // UpdateChannelPosition 更新通道GPS坐标
 func (d *Device) UpdateChannelPosition(channelId string, gpsTime string, lng string, lat string) {
-	if c, ok := d.channelMap[channelId]; ok {
-		c.ChannelEx.GpsTime = time.Now() //时间取系统收到的时间，避免设备时间和格式问题
-		c.ChannelEx.Longitude = lng
-		c.ChannelEx.Latitude = lat
-		plugin.Sugar().Debugf("更新通道[%s]坐标成功\n", c.Name)
+	if v, ok := d.channelMap.Load(channelId); ok {
+		c := v.(*Channel)
+		c.GpsTime = time.Now() //时间取系统收到的时间，避免设备时间和格式问题
+		c.Longitude = lng
+		c.Latitude = lat
+		c.Debug("update channel position success")
 	} else {
 		//如果未找到通道，则更新到设备上
 		d.GpsTime = time.Now() //时间取系统收到的时间，避免设备时间和格式问题
 		d.Longitude = lng
 		d.Latitude = lat
-		plugin.Sugar().Debugf("未找到通道[%s]，更新设备[%s]坐标成功\n", channelId, d.ID)
+		d.Debug("update device position success", zap.String("channelId", channelId))
 	}
 }

@@ -468,20 +464,20 @@ func (d *Device) UpdateChannelStatus(deviceList []*notifyMessage) {
 	for _, v := range deviceList {
 		switch v.Event {
 		case "ON":
-			plugin.Debug("收到通道上线通知")
+			d.Debug("receive channel online notify")
 			d.channelOnline(v.DeviceID)
 		case "OFF":
-			plugin.Debug("收到通道离线通知")
+			d.Debug("receive channel offline notify")
 			d.channelOffline(v.DeviceID)
 		case "VLOST":
-			plugin.Debug("收到通道视频丢失通知")
+			d.Debug("receive channel video lost notify")
 			d.channelOffline(v.DeviceID)
 		case "DEFECT":
-			plugin.Debug("收到通道故障通知")
+			d.Debug("receive channel video defect notify")
 			d.channelOffline(v.DeviceID)
 		case "ADD":
-			plugin.Debug("收到通道新增通知")
-			channel := Channel{
+			d.Debug("receive channel add notify")
+			channel := ChannelInfo{
 				DeviceID:     v.DeviceID,
 				ParentID:     v.ParentID,
 				Name:         v.Name,
@@ -495,17 +491,17 @@ func (d *Device) UpdateChannelStatus(deviceList []*notifyMessage) {
 				SafetyWay:    v.SafetyWay,
 				RegisterWay:  v.RegisterWay,
 				Secrecy:      v.Secrecy,
-				Status:       v.Status,
+				Status:       ChannelStatus(v.Status),
 			}
-			d.addOrUpdateChannel(&channel)
+			d.addOrUpdateChannel(channel)
 		case "DEL":
 			//删除
-			plugin.Debug("收到通道删除通知")
+			d.Debug("receive channel delete notify")
 			d.deleteChannel(v.DeviceID)
 		case "UPDATE":
-			plugin.Debug("收到通道更新通知")
+			d.Debug("receive channel update notify")
 			// 更新通道
-			channel := &Channel{
+			channel := ChannelInfo{
 				DeviceID:     v.DeviceID,
 				ParentID:     v.ParentID,
 				Name:         v.Name,
@@ -519,28 +515,29 @@ func (d *Device) UpdateChannelStatus(deviceList []*notifyMessage) {
 				SafetyWay:    v.SafetyWay,
 				RegisterWay:  v.RegisterWay,
 				Secrecy:      v.Secrecy,
-				Status:       v.Status,
+				Status:       ChannelStatus(v.Status),
 			}
-			channels := []*Channel{channel}
-			d.UpdateChannels(channels)
+			d.UpdateChannels(channel)
 		}
 	}
 }

 func (d *Device) channelOnline(DeviceID string) {
-	if c, ok := d.channelMap[DeviceID]; ok {
-		c.Status = "ON"
-		plugin.Sugar().Debugf("通道[%s]在线\n", c.Name)
+	if v, ok := d.channelMap.Load(DeviceID); ok {
+		c := v.(*Channel)
+		c.Status = ChannelOnStatus
+		c.Debug("channel online", zap.String("channelId", DeviceID))
 	} else {
-		plugin.Sugar().Debugf("更新通道[%s]状态失败，未找到\n", DeviceID)
+		d.Debug("update channel status failed, not found", zap.String("channelId", DeviceID))
 	}
 }

 func (d *Device) channelOffline(DeviceID string) {
-	if c, ok := d.channelMap[DeviceID]; ok {
-		c.Status = "OFF"
-		plugin.Sugar().Debugf("通道[%s]离线\n", c.Name)
+	if v, ok := d.channelMap.Load(DeviceID); ok {
+		c := v.(*Channel)
+		c.Status = ChannelOffStatus
+		c.Debug("channel offline", zap.String("channelId", DeviceID))
 	} else {
-		plugin.Sugar().Debugf("更新通道[%s]状态失败，未找到\n", DeviceID)
+		d.Debug("update channel status failed, not found", zap.String("channelId", DeviceID))
 	}
 }
--- a/go.mod
+++ b/go.mod
@@ -1,20 +1,23 @@
 module m7s.live/plugin/gb28181/v4

-go 1.18
+go 1.19

 require (
 	github.com/ghettovoice/gosip v0.0.0-20221121090201-9a2ed2233b6d
 	github.com/husanpao/ip v0.0.0-20220711082147-73160bb611a8
 	github.com/logrusorgru/aurora v2.0.3+incompatible
-	github.com/pion/rtp/v2 v2.0.0-20220302185659-b3d10fc096b0
+	github.com/pion/rtp v1.7.13
 	go.uber.org/zap v1.23.0
-	golang.org/x/net v0.2.0
-	golang.org/x/text v0.4.0
-	m7s.live/engine/v4 v4.8.5
+	golang.org/x/net v0.8.0
+	golang.org/x/text v0.8.0
+	m7s.live/engine/v4 v4.12.8
+	m7s.live/plugin/ps/v4 v4.0.1
 )

 require (
+	github.com/aler9/gortsplib/v2 v2.2.2 // indirect
 	github.com/cnotch/ipchub v1.1.0 // indirect
+	github.com/denisbrodbeck/machineid v1.0.1 // indirect
 	github.com/discoviking/fsm v0.0.0-20150126104936-f4a273feecca // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
@@ -25,21 +28,20 @@ require (
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/kr/text v0.2.0 // indirect
-	github.com/lucas-clemente/quic-go v0.31.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20220913051719-115f729f3c8c // indirect
-	github.com/marten-seemann/qtls-go1-18 v0.1.3 // indirect
-	github.com/marten-seemann/qtls-go1-19 v0.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/mcuadros/go-defaults v1.2.0 // indirect
 	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
-	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/onsi/ginkgo/v2 v2.2.0 // indirect
 	github.com/pion/randutil v0.1.0 // indirect
-	github.com/pion/rtp v1.7.13 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pion/webrtc/v3 v3.1.49 // indirect
 	github.com/power-devops/perfstat v0.0.0-20220216144756-c35f1ee13d7c // indirect
 	github.com/q191201771/naza v0.30.8 // indirect
+	github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
+	github.com/quic-go/qtls-go1-20 v0.1.0 // indirect
+	github.com/quic-go/quic-go v0.32.0 // indirect
 	github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b // indirect
 	github.com/shirou/gopsutil/v3 v3.22.10 // indirect
 	github.com/sirupsen/logrus v1.9.0 // indirect
@@ -47,15 +49,16 @@ require (
 	github.com/tklauser/go-sysconf v0.3.11 // indirect
 	github.com/tklauser/numcpus v0.6.0 // indirect
 	github.com/x-cray/logrus-prefixed-formatter v0.5.2 // indirect
+	github.com/yapingcat/gomedia v0.0.0-20230426092936-387031404274 // indirect
 	github.com/yusufpapurcu/wmi v1.2.2 // indirect
 	go.uber.org/atomic v1.10.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
-	golang.org/x/crypto v0.3.0 // indirect
-	golang.org/x/exp v0.0.0-20221126150942-6ab00d035af9 // indirect
-	golang.org/x/mod v0.7.0 // indirect
+	golang.org/x/crypto v0.4.0 // indirect
+	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
+	golang.org/x/mod v0.8.0 // indirect
 	golang.org/x/sync v0.1.0 // indirect
-	golang.org/x/sys v0.2.0 // indirect
-	golang.org/x/term v0.2.0 // indirect
-	golang.org/x/tools v0.3.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/term v0.6.0 // indirect
+	golang.org/x/tools v0.6.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,10 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/aler9/gortsplib/v2 v2.2.2 h1:tTw8pdKSOEjlZjjE1S4ftXPHJkYOqjNNv3hjQ0Nto9M=
+github.com/aler9/gortsplib/v2 v2.2.2/go.mod h1:k6uBVHGwsIc/0L5SLLqWwi6bSJUb4VR0HfvncyHlKQI=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/cnotch/apirouter v0.0.0-20200731232942-89e243a791f3/go.mod h1:5deJPLON/x/s2dLOQfuKS0lenhOIT4xX0pvtN/OEIuY=
 github.com/cnotch/ipchub v1.1.0 h1:hH0lh2mU3AZXPiqMwA0pdtqrwo7PFIMRGush9OobMUs=
 github.com/cnotch/ipchub v1.1.0/go.mod h1:2PbeBs2q2VxxTVCn1eYCDwpAWuVXbq1+N0FU7GimOH4=
@@ -8,16 +13,18 @@ github.com/cnotch/queue v0.0.0-20200326024423-6e88bdbf2ad4/go.mod h1:zOssjAlNusO
 github.com/cnotch/queue v0.0.0-20201224060551-4191569ce8f6/go.mod h1:zOssjAlNusOxvtaqT+EMA+Iyi8rrtKr4/XfzN1Fgoeg=
 github.com/cnotch/scheduler v0.0.0-20200522024700-1d2da93eefc5/go.mod h1:F4GE3SZkJZ8an1Y0ZCqvSM3jeozNuKzoC67erG1PhIo=
 github.com/cnotch/xlog v0.0.0-20201208005456-cfda439cd3a0/go.mod h1:RW9oHsR79ffl3sR3yMGgxYupMn2btzdtJUwoxFPUE5E=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/denisbrodbeck/machineid v1.0.1 h1:geKr9qtkB876mXguW2X6TU4ZynleN6ezuMSRhl4D7AQ=
+github.com/denisbrodbeck/machineid v1.0.1/go.mod h1:dJUwb7PTidGDeYyUBmXZ2GphQBbjJCrnectwCyxcUSI=
 github.com/discoviking/fsm v0.0.0-20150126104936-f4a273feecca h1:cTTdXpkQ1aVbOOmHwdwtYuwUZcQtcMrleD1UXLWhAq8=
 github.com/discoviking/fsm v0.0.0-20150126104936-f4a273feecca/go.mod h1:W+3LQaEkN8qAwwcw0KC546sUEnX86GIT8CcMLZC4mG0=
 github.com/emitter-io/address v1.0.0/go.mod h1:GfZb5+S/o8694B1GMGK2imUYQyn2skszMvGNA5D84Ug=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
+github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/ghettovoice/gosip v0.0.0-20221121090201-9a2ed2233b6d h1:f1JRfm0MwkluwtUsbYxuVReDMajlc9Wn6zc2orX4sRE=
 github.com/ghettovoice/gosip v0.0.0-20221121090201-9a2ed2233b6d/go.mod h1:yTr3BEYSFe9As6XM7ldyrVgqsPwlnw8Ahc4N28VFM2g=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
@@ -40,45 +47,52 @@ github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrU
 github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
+github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/husanpao/ip v0.0.0-20220711082147-73160bb611a8 h1:4Jk58quTZmzJcTrLlbB5L1Q6qXu49EIjCReWxcBFWKo=
 github.com/husanpao/ip v0.0.0-20220711082147-73160bb611a8/go.mod h1:medl9/CfYoQlqAXtAARmMW5dAX2UOdwwkhaszYPk0AM=
+github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/kelindar/process v0.0.0-20170730150328-69a29e249ec3/go.mod h1:+lTCLnZFXOkqwD8sLPl6u4erAc0cP8wFegQHfipz7KE=
 github.com/kelindar/rate v1.0.0/go.mod h1:AjT4G+hTItNwt30lucEGZIz8y7Uk5zPho6vurIZ+1Es=
 github.com/kelindar/tcp v1.0.0/go.mod h1:JB5hj1cshLU60XrLij2BBxW3JQ4hOye8vqbyvuKb52k=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8=
 github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
-github.com/lucas-clemente/quic-go v0.31.0 h1:MfNp3fk0wjWRajw6quMFA3ap1AVtlU+2mtwmbVogB2M=
 github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0/go.mod h1:zJYVVT2jmtg6P3p1VtQj7WsuWi/y4VnjVBn7F8KPB3I=
 github.com/lufia/plan9stats v0.0.0-20220913051719-115f729f3c8c h1:VtwQ41oftZwlMnOEbMWQtSEUgU64U4s+GHk7hZK+jtY=
 github.com/lufia/plan9stats v0.0.0-20220913051719-115f729f3c8c/go.mod h1:JKx41uQRwqlTZabZc+kILPrO/3jlKnQ2Z8b7YiVw5cE=
-github.com/marten-seemann/qtls-go1-18 v0.1.3 h1:R4H2Ks8P6pAtUagjFty2p7BVHn3XiwDAl7TTQf5h7TI=
-github.com/marten-seemann/qtls-go1-18 v0.1.3/go.mod h1:mJttiymBAByA49mhlNZZGrH5u1uXYZJ+RW28Py7f4m4=
-github.com/marten-seemann/qtls-go1-19 v0.1.1 h1:mnbxeq3oEyQxQXwI4ReCgW9DPoPR94sNlqWoDZnjRIE=
-github.com/marten-seemann/qtls-go1-19 v0.1.1/go.mod h1:5HTDWtVudo/WFsHKRNuOhWlbdjrfs5JHrYb0wIJqGpI=
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mcuadros/go-defaults v1.2.0 h1:FODb8WSf0uGaY8elWJAkoLL0Ri6AlZ1bFlenk56oZtc=
+github.com/mcuadros/go-defaults v1.2.0/go.mod h1:WEZtHEVIGYVDqkKSWBdWKUVdRyKlMfulPaGDWIVeCWY=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d h1:5PJl274Y63IEHC+7izoQE9x6ikvDFZS2mDVS3drnohI=
 github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.5/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
@@ -87,24 +101,45 @@ github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
 github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
 github.com/onsi/ginkgo v1.14.2/go.mod h1:iSB4RoI2tjJc9BBv4NKIKWKya62Rps+oPG/Lv9klQyY=
+github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
 github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
 github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
 github.com/onsi/ginkgo/v2 v2.2.0 h1:3ZNA3L1c5FYDFTTxbFeVGGD8jYvjYauHD30YgLxVsNI=
+github.com/onsi/ginkgo/v2 v2.2.0/go.mod h1:MEH45j8TBi6u9BMogfbp0stKC5cdGjumZj5Y7AG4VIk=
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@@ -112,9 +147,17 @@ github.com/power-devops/perfstat v0.0.0-20220216144756-c35f1ee13d7c h1:NRoLoZvkB
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@@ -132,8 +175,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -145,8 +188,11 @@ github.com/tklauser/numcpus v0.6.0 h1:kebhY2Qt+3U6RNK7UqpYNA+tJ23IBEGKkB7JQBfDYm
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@@ -161,24 +207,42 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
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 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -191,6 +255,7 @@ golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -200,26 +265,43 @@ golang.org/x/sys v0.0.0-20201207223542-d4d67f95c62d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201214095126-aec9a390925b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220608164250-635b8c9b7f68/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.2.0 h1:z85xZCsEl7bi/KwbNADeBYoOP0++7W1ipu+aGnpwzRM=
-golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.6.0 h1:clScbb1cHjoCkyRbWwBEUZ5H/tIFu5TAXIqaZD0Gcjw=
+golang.org/x/term v0.6.0/go.mod h1:m6U89DPEgQRMq3DNkDClhWw02AUbt2daBVO4cn4Hv9U=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
+golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -230,9 +312,13 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
@@ -241,9 +327,12 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-m7s.live/engine/v4 v4.8.5 h1:bUH71X7Ravj4gxINy/UrA67Nxycz26saiLeL3hBzuMU=
-m7s.live/engine/v4 v4.8.5/go.mod h1:Knz1H4ZhJDooORkHOuHGNquSyA4txJFgVCng5rTEAm8=
+m7s.live/engine/v4 v4.12.8 h1:cNGyajzEkbUzIcPtcedGbxvMlIuScWxDb/raYFgAHKE=
+m7s.live/engine/v4 v4.12.8/go.mod h1:LoALBfV5rmsz5TJQr6cmLxM33mfUE5BKBq/sMtXOVlc=
+m7s.live/plugin/ps/v4 v4.0.1 h1:iKgo9D4g6vo3I97Je1hG8v/6+IDRei7sHnTCYBEyasY=
+m7s.live/plugin/ps/v4 v4.0.1/go.mod h1:lAPr3gGIFoU4ctMRnPeyjbcREueyT6TfiKhWBgDrOGM=
--- a/handle.go
+++ b/handle.go
@@ -5,8 +5,8 @@ import (
 	"crypto/md5"
 	"encoding/xml"
 	"fmt"
+	"strconv"

-	"github.com/logrusorgru/aurora"
 	"go.uber.org/zap"
 	"m7s.live/plugin/gb28181/v4/utils"

@@ -32,7 +32,7 @@ func (a *Authorization) Verify(username, passwd, realm, nonce string) bool {
 	r2 := a.getDigest(s2)

 	if r1 == "" || r2 == "" {
-		fmt.Println("Authorization algorithm wrong")
+		GB28181Plugin.Error("Authorization algorithm wrong")
 		return false
 	}
 	//3、将密文 1，nonce 和密文 2 依次组合获取 1 个字符串，并对这个字符串使用算法加密，获得密文 r3，即Response
@@ -53,10 +53,49 @@ func (a *Authorization) getDigest(raw string) string {
 }

 func (c *GB28181Config) OnRegister(req sip.Request, tx sip.ServerTransaction) {
-	from, _ := req.From()
-
+	from, ok := req.From()
+	if !ok {
+		GB28181Plugin.Error("OnRegister", zap.String("error", "no from"))
+		return
+	}
 	id := from.Address.User().String()
-	plugin.Sugar().Debugf("OnRegister: %s, %s from %s ", req.Destination(), id, req.Source())
+
+	GB28181Plugin.Debug("SIP<-OnMessage", zap.String("id", id), zap.String("source", req.Source()), zap.String("req", req.String()))
+
+	isUnregister := false
+	if exps := req.GetHeaders("Expires"); len(exps) > 0 {
+		exp := exps[0]
+		expSec, err := strconv.ParseInt(exp.Value(), 10, 32)
+		if err != nil {
+			GB28181Plugin.Info("OnRegister",
+				zap.String("error", fmt.Sprintf("wrong expire header value %q", exp)),
+				zap.String("id", id),
+				zap.String("source", req.Source()),
+				zap.String("destination", req.Destination()))
+			return
+		}
+		if expSec == 0 {
+			isUnregister = true
+		}
+	} else {
+		GB28181Plugin.Info("OnRegister",
+			zap.String("error", "has no expire header"),
+			zap.String("id", id),
+			zap.String("source", req.Source()),
+			zap.String("destination", req.Destination()))
+		return
+	}
+
+	GB28181Plugin.Info("OnRegister",
+		zap.Bool("isUnregister", isUnregister),
+		zap.String("id", id),
+		zap.String("source", req.Source()),
+		zap.String("destination", req.Destination()))
+
+	if len(id) != 20 {
+		GB28181Plugin.Info("Wrong GB-28181", zap.String("id", id))
+		return
+	}
 	passAuth := false
 	// 不需要密码情况
 	if c.Username == "" && c.Password == "" {
@@ -92,11 +131,21 @@ func (c *GB28181Config) OnRegister(req sip.Request, tx sip.ServerTransaction) {
 	}
 	if passAuth {
 		var d *Device
-		if v, ok := Devices.Load(id); ok {
-			d = v.(*Device)
-			c.RecoverDevice(d, req)
+		if isUnregister {
+			tmpd, ok := Devices.LoadAndDelete(id)
+			if ok {
+				GB28181Plugin.Info("Unregister Device", zap.String("id", id))
+				d = tmpd.(*Device)
+			} else {
+				return
+			}
 		} else {
-			d = c.StoreDevice(id, req)
+			if v, ok := Devices.Load(id); ok {
+				d = v.(*Device)
+				c.RecoverDevice(d, req)
+			} else {
+				d = c.StoreDevice(id, req)
+			}
 		}
 		DeviceNonce.Delete(id)
 		DeviceRegisterCount.Delete(id)
@@ -111,9 +160,14 @@ func (c *GB28181Config) OnRegister(req sip.Request, tx sip.ServerTransaction) {
 			Contents:   time.Now().Format(TIME_LAYOUT),
 		})
 		_ = tx.Respond(resp)
-		//订阅设备更新
-		go d.syncChannels()
+
+		if !isUnregister {
+			//订阅设备更新
+			go d.syncChannels()
+		}
 	} else {
+		GB28181Plugin.Info("OnRegister unauthorized", zap.String("id", id), zap.String("source", req.Source()),
+			zap.String("destination", req.Destination()))
 		response := sip.NewResponseFromRequest("", req, http.StatusUnauthorized, "Unauthorized", "")
 		_nonce, _ := DeviceNonce.LoadOrStore(id, utils.RandNumString(32))
 		auth := fmt.Sprintf(
@@ -135,37 +189,38 @@ func (c *GB28181Config) OnRegister(req sip.Request, tx sip.ServerTransaction) {
 func (d *Device) syncChannels() {
 	if time.Since(d.lastSyncTime) > 2*conf.HeartbeatInterval {
 		d.lastSyncTime = time.Now()
-		d.QueryDeviceInfo()
 		d.Catalog()
 		d.Subscribe()
+		d.QueryDeviceInfo()
 	}
 }

 func (c *GB28181Config) OnMessage(req sip.Request, tx sip.ServerTransaction) {
 	from, _ := req.From()
 	id := from.Address.User().String()
-	plugin.Sugar().Debugf("SIP<-OnMessage from %s : %s", req.Source(), req.String())
+	GB28181Plugin.Debug("SIP<-OnMessage", zap.String("id", id), zap.String("source", req.Source()), zap.String("req", req.String()))
 	if v, ok := Devices.Load(id); ok {
 		d := v.(*Device)
 		switch d.Status {
-		case "RECOVER":
+		case DeviceOfflineStatus, DeviceRecoverStatus:
 			c.RecoverDevice(d, req)
 			go d.syncChannels()
-			//return
-		case string(sip.REGISTER):
-			d.Status = "ONLINE"
+		case DeviceRegisterStatus:
+			d.Status = DeviceOnlineStatus
 		}
 		d.UpdateTime = time.Now()
 		temp := &struct {
 			XMLName      xml.Name
 			CmdType      string
+			SN           int // 请求序列号，一般用于对应 request 和 response
 			DeviceID     string
 			DeviceName   string
 			Manufacturer string
 			Model        string
 			Channel      string
-			DeviceList   []*Channel `xml:"DeviceList>Item"`
-			RecordList   []*Record  `xml:"RecordList>Item"`
+			DeviceList   []ChannelInfo `xml:"DeviceList>Item"`
+			RecordList   []*Record     `xml:"RecordList>Item"`
+			SumNum       int           // 录像结果的总数 SumNum，录像结果会按照多条消息返回，可用于判断是否全部返回
 		}{}
 		decoder := xml.NewDecoder(bytes.NewReader([]byte(req.Body())))
 		decoder.CharsetReader = charset.NewReaderLabel
@@ -173,7 +228,7 @@ func (c *GB28181Config) OnMessage(req sip.Request, tx sip.ServerTransaction) {
 		if err != nil {
 			err = utils.DecodeGbk(temp, []byte(req.Body()))
 			if err != nil {
-				plugin.Error("decode catelog err", zap.Error(err))
+				GB28181Plugin.Error("decode catelog err", zap.Error(err))
 			}
 		}
 		var body string
@@ -181,42 +236,43 @@ func (c *GB28181Config) OnMessage(req sip.Request, tx sip.ServerTransaction) {
 		case "Keepalive":
 			d.LastKeepaliveAt = time.Now()
 			//callID !="" 说明是订阅的事件类型信息
-			if d.channelMap == nil || len(d.channelMap) == 0 {
+			if d.lastSyncTime.IsZero() {
 				go d.syncChannels()
 			} else {
-				for _, ch := range d.channelMap {
-					if c.AutoInvite && (ch.LivePublisher == nil) {
-						ch.Invite(InviteOptions{})
+				d.channelMap.Range(func(key, value interface{}) bool {
+					if conf.InviteMode == INVIDE_MODE_AUTO {
+						value.(*Channel).TryAutoInvite(&InviteOptions{})
 					}
-				}
+					return true
+				})
 			}
-			//为什么要查找子码流?
-			//d.CheckSubStream()
 			//在KeepLive 进行位置订阅的处理，如果开启了自动订阅位置，则去订阅位置
 			if c.Position.AutosubPosition && time.Since(d.GpsTime) > c.Position.Interval*2 {
 				d.MobilePositionSubscribe(d.ID, c.Position.Expires, c.Position.Interval)
-				plugin.Sugar().Debugf("位置自动订阅，设备[%s]成功\n", d.ID)
+				GB28181Plugin.Debug("Mobile Position Subscribe", zap.String("deviceID", d.ID))
 			}
 		case "Catalog":
-			d.UpdateChannels(temp.DeviceList)
+			d.UpdateChannels(temp.DeviceList...)
 		case "RecordInfo":
-			d.UpdateRecord(temp.DeviceID, temp.RecordList)
+			RecordQueryLink.Put(d.ID, temp.DeviceID, temp.SN, temp.SumNum, temp.RecordList)
 		case "DeviceInfo":
 			// 主设备信息
 			d.Name = temp.DeviceName
 			d.Manufacturer = temp.Manufacturer
 			d.Model = temp.Model
 		case "Alarm":
-			d.Status = "Alarmed"
+			d.Status = DeviceAlarmedStatus
 			body = BuildAlarmResponseXML(d.ID)
 		default:
-			plugin.Sugar().Warnf("DeviceID:", aurora.Red(d.ID), " Not supported CmdType : "+temp.CmdType+" body:\n", req.Body)
+			d.Warn("Not supported CmdType", zap.String("CmdType", temp.CmdType), zap.String("body", req.Body()))
 			response := sip.NewResponseFromRequest("", req, http.StatusBadRequest, "", "")
 			tx.Respond(response)
 			return
 		}

 		tx.Respond(sip.NewResponseFromRequest("", req, http.StatusOK, "OK", body))
+	} else {
+		GB28181Plugin.Debug("Unauthorized message, device not found", zap.String("id", id))
 	}
 }
 func (c *GB28181Config) OnBye(req sip.Request, tx sip.ServerTransaction) {
@@ -248,7 +304,7 @@ func (c *GB28181Config) OnNotify(req sip.Request, tx sip.ServerTransaction) {
 		if err != nil {
 			err = utils.DecodeGbk(temp, []byte(req.Body()))
 			if err != nil {
-				plugin.Error("decode catelog err", zap.Error(err))
+				GB28181Plugin.Error("decode catelog err", zap.Error(err))
 			}
 		}
 		var body string
@@ -262,7 +318,7 @@ func (c *GB28181Config) OnNotify(req sip.Request, tx sip.ServerTransaction) {
 		// case "Alarm":
 		// 	//报警事件通知 TODO
 		default:
-			plugin.Sugar().Warnf("DeviceID:", aurora.Red(d.ID), " Not supported CmdType : "+temp.CmdType+" body:", req.Body)
+			d.Warn("Not supported CmdType", zap.String("CmdType", temp.CmdType), zap.String("body", req.Body()))
 			response := sip.NewResponseFromRequest("", req, http.StatusBadRequest, "", "")
 			tx.Respond(response)
 			return
--- a/inviteoption.go
+++ b/inviteoption.go
@@ -0,0 +1,67 @@
+package gb28181
+
+import (
+	"errors"
+	"fmt"
+	"math/rand"
+	"strconv"
+)
+
+type InviteOptions struct {
+	Start       int
+	End         int
+	dump        string
+	ssrc        string
+	SSRC        uint32
+	MediaPort   uint16
+	StreamPath  string
+	recyclePort func(p uint16) (err error)
+}
+
+func (o InviteOptions) IsLive() bool {
+	return o.Start == 0 || o.End == 0
+}
+
+func (o InviteOptions) Record() bool {
+	return !o.IsLive()
+}
+
+func (o *InviteOptions) Validate(start, end string) error {
+	if start != "" {
+		sint, err1 := strconv.ParseInt(start, 10, 0)
+		if err1 != nil {
+			return err1
+		}
+		o.Start = int(sint)
+	}
+	if end != "" {
+		eint, err2 := strconv.ParseInt(end, 10, 0)
+		if err2 != nil {
+			return err2
+		}
+		o.End = int(eint)
+	}
+	if o.Start >= o.End {
+		return errors.New("start < end")
+	}
+	return nil
+}
+
+func (o InviteOptions) String() string {
+	return fmt.Sprintf("t=%d %d", o.Start, o.End)
+}
+
+func (o *InviteOptions) CreateSSRC() {
+	ssrc := make([]byte, 10)
+	if o.IsLive() {
+		ssrc[0] = '0'
+	} else {
+		ssrc[0] = '1'
+	}
+	copy(ssrc[1:6], conf.Serial[3:8])
+	randNum := 1000 + rand.Intn(8999)
+	copy(ssrc[6:], strconv.Itoa(randNum))
+	o.ssrc = string(ssrc)
+	_ssrc, _ := strconv.ParseInt(o.ssrc, 10, 0)
+	o.SSRC = uint32(_ssrc)
+}
--- a/link.go
+++ b/link.go
@@ -0,0 +1,119 @@
+package gb28181
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	"go.uber.org/zap"
+)
+
+// 对于录像查询，通过 queryKey (即 deviceId + channelId + sn) 唯一区分一次请求和响应
+// 并将其关联起来，以实现异步响应的目的
+// 提供单例实例供调用
+var RecordQueryLink = NewRecordQueryLink(time.Second * 60)
+
+type recordQueryLink struct {
+	pendingResult map[string]recordQueryResult // queryKey 查询结果缓存
+	pendingResp   map[string]recordQueryResp   // queryKey 待回复的查询请求
+	timeout       time.Duration                // 查询结果的过期时间
+	sync.RWMutex
+}
+
+type recordQueryResult struct {
+	time     time.Time
+	err      error
+	sum      int
+	finished bool
+	list     []*Record
+}
+type recordQueryResp struct {
+	respChan  chan<- recordQueryResult
+	timeout   time.Duration
+	startTime time.Time
+}
+
+func NewRecordQueryLink(resultTimeout time.Duration) *recordQueryLink {
+	c := &recordQueryLink{
+		timeout:       resultTimeout,
+		pendingResult: make(map[string]recordQueryResult),
+		pendingResp:   make(map[string]recordQueryResp),
+	}
+	return c
+}
+
+// 唯一区分一次录像查询
+func recordQueryKey(deviceId, channelId string, sn int) string {
+	return fmt.Sprintf("%s-%s-%d", deviceId, channelId, sn)
+}
+
+// 定期清理过期的查询结果和请求
+func (c *recordQueryLink) cleanTimeout() {
+	for k, s := range c.pendingResp {
+		if time.Since(s.startTime) > s.timeout {
+			if r, ok := c.pendingResult[k]; ok {
+				c.notify(k, r)
+			} else {
+				c.notify(k, recordQueryResult{err: fmt.Errorf("query time out")})
+			}
+		}
+	}
+	for k, r := range c.pendingResult {
+		if time.Since(r.time) > c.timeout {
+			delete(c.pendingResult, k)
+		}
+	}
+}
+
+func (c *recordQueryLink) Put(deviceId, channelId string, sn int, sum int, record []*Record) {
+	key, r := c.doPut(deviceId, channelId, sn, sum, record)
+	if r.finished {
+		c.notify(key, r)
+	}
+}
+
+func (c *recordQueryLink) doPut(deviceId, channelId string, sn, sum int, record []*Record) (key string, r recordQueryResult) {
+	c.Lock()
+	defer c.Unlock()
+	key = recordQueryKey(deviceId, channelId, sn)
+	if v, ok := c.pendingResult[key]; ok {
+		r = v
+	} else {
+		r = recordQueryResult{time: time.Now(), sum: sum, list: make([]*Record, 0)}
+	}
+
+	r.list = append(r.list, record...)
+	if len(r.list) == sum {
+		r.finished = true
+	}
+	c.pendingResult[key] = r
+	GB28181Plugin.Logger.Debug("put record",
+		zap.String("key", key),
+		zap.Int("sum", sum),
+		zap.Int("count", len(r.list)))
+	return
+}
+
+func (c *recordQueryLink) WaitResult(
+	deviceId, channelId string, sn int,
+	timeout time.Duration) (resultCh <-chan recordQueryResult) {
+
+	key := recordQueryKey(deviceId, channelId, sn)
+	c.Lock()
+	defer c.Unlock()
+	respCh := make(chan recordQueryResult, 1)
+	resultCh = respCh
+	c.pendingResp[key] = recordQueryResp{startTime: time.Now(), timeout: timeout, respChan: respCh}
+	return
+}
+
+func (c *recordQueryLink) notify(key string, r recordQueryResult) {
+	if s, ok := c.pendingResp[key]; ok {
+		s.respChan <- r
+	}
+	c.Lock()
+	defer c.Unlock()
+	delete(c.pendingResp, key)
+	delete(c.pendingResult, key)
+	GB28181Plugin.Logger.Debug("record notify", zap.String("key", key))
+}
--- a/main.go
+++ b/main.go
@@ -1,59 +1,65 @@
 package gb28181

 import (
-	"fmt"
+	"os"
 	"strings"
+	"sync"
 	"time"

 	myip "github.com/husanpao/ip"
+	"go.uber.org/zap"
 	. "m7s.live/engine/v4"
-	"m7s.live/engine/v4/config"
+	"m7s.live/engine/v4/util"
 )

 type GB28181PositionConfig struct {
 	AutosubPosition bool          //是否自动订阅定位
-	Expires         time.Duration //订阅周期(单位：秒)
-	Interval        time.Duration //订阅间隔（单位：秒）
+	Expires         time.Duration `default:"3600s"` //订阅周期(单位：秒)
+	Interval        time.Duration `default:"6s"`    //订阅间隔（单位：秒）
 }

 type GB28181Config struct {
-	AutoInvite     bool
-	PreFetchRecord bool
-
+	InviteMode int    `default:"1"` //邀请模式，0:手动拉流，1:预拉流，2:按需拉流
+	InviteIDs  string //按照国标gb28181协议允许邀请的设备类型:132 摄像机 NVR
+	ListenAddr string `default:"0.0.0.0"`
 	//sip服务器的配置
-	SipNetwork string //传输协议，默认UDP，可选TCP
-	SipIP      string //sip 服务器公网IP
-	SipPort    uint16 //sip 服务器端口，默认 5060
-	Serial     string //sip 服务器 id, 默认 34020000002000000001
-	Realm      string //sip 服务器域，默认 3402000000
-	Username   string //sip 服务器账号
-	Password   string //sip 服务器密码
-
+	SipNetwork string   `default:"udp"` //传输协议，默认UDP，可选TCP
+	SipIP      string   //sip 服务器公网IP
+	SipPort    uint16   `default:"5060"`                 //sip 服务器端口，默认 5060
+	Serial     string   `default:"34020000002000000001"` //sip 服务器 id, 默认 34020000002000000001
+	Realm      string   `default:"3402000000"`           //sip 服务器域，默认 3402000000
+	Username   string   //sip 服务器账号
+	Password   string   //sip 服务器密码
+	Port       struct { // 新配置方式
+		Sip   string `default:"udp:5060"`
+		Media string `default:"tcp:58200"`
+	}
 	// AckTimeout        uint16 //sip 服务应答超时，单位秒
-	RegisterValidity time.Duration //注册有效期，单位秒，默认 3600
+	RegisterValidity time.Duration `default:"3600s"` //注册有效期，单位秒，默认 3600
 	// RegisterInterval  int    //注册间隔，单位秒，默认 60
-	HeartbeatInterval time.Duration //心跳间隔，单位秒，默认 60
+	HeartbeatInterval time.Duration `default:"60s"` //心跳间隔，单位秒，默认 60
 	// HeartbeatRetry    int    //心跳超时次数，默认 3

 	//媒体服务器配置
 	MediaIP      string //媒体服务器地址
-	MediaPort    uint16 //媒体服务器端口
-	MediaNetwork string //媒体传输协议，默认UDP，可选TCP
+	MediaPort    uint16 `default:"58200"` //媒体服务器端口
+	MediaNetwork string `default:"tcp"`   //媒体传输协议，默认UDP，可选TCP
 	MediaPortMin uint16
 	MediaPortMax uint16
 	// MediaIdleTimeout uint16 //推流超时时间，超过则断开链接，让设备重连

 	// WaitKeyFrame      bool //是否等待关键帧，如果等待，则在收到第一个关键帧之前，忽略所有媒体流
-	RemoveBanInterval time.Duration //移除禁止设备间隔
-	UdpCacheSize      int           //udp缓存大小
-
-	config.Publish
-	Server
-	LogLevel string //trace, debug, info, warn, error, fatal, panic
+	RemoveBanInterval time.Duration `default:"600s"` //移除禁止设备间隔
+	// UdpCacheSize      int           //udp缓存大小
+	LogLevel string `default:"info"` //trace, debug, info, warn, error, fatal, panic
 	routes   map[string]string
 	DumpPath string //dump PS流本地文件路径
+	Ignores  map[string]struct{}
+	tcpPorts PortManager
+	udpPorts PortManager

 	Position GB28181PositionConfig //关于定位的配置参数
+
 }

 func (c *GB28181Config) initRoutes() {
@@ -65,14 +71,61 @@ func (c *GB28181Config) initRoutes() {
 			c.routes[k[0:lastdot]] = k
 		}
 	}
-	plugin.Info(fmt.Sprintf("LocalAndInternalIPs detail: %s", c.routes))
+	GB28181Plugin.Info("LocalAndInternalIPs", zap.Any("routes", c.routes))
 }
+
 func (c *GB28181Config) OnEvent(event any) {
-	switch event.(type) {
+	switch e := event.(type) {
 	case FirstConfig:
+		if c.Port.Sip != "udp:5060" {
+			protocol, ports := util.Conf2Listener(c.Port.Sip)
+			c.SipNetwork = protocol
+			c.SipPort = ports[0]
+		}
+		if c.Port.Media != "tcp:58200" {
+			protocol, ports := util.Conf2Listener(c.Port.Media)
+			c.MediaNetwork = protocol
+			if len(ports) > 1 {
+				c.MediaPortMin = ports[0]
+				c.MediaPortMax = ports[1]
+			} else {
+				c.MediaPort = ports[0]
+			}
+		}
+		os.MkdirAll(c.DumpPath, 0766)
 		c.ReadDevices()
 		go c.initRoutes()
 		c.startServer()
+	case *Stream:
+		if c.InviteMode == INVIDE_MODE_ONSUBSCRIBE {
+			//流可能是回放流，stream path是device/channel/start-end形式
+			streamNames := strings.Split(e.StreamName, "/")
+			if channel := FindChannel(e.AppName, streamNames[0]); channel != nil {
+				opt := InviteOptions{}
+				if len(streamNames) > 1 {
+					last := len(streamNames) - 1
+					timestr := streamNames[last]
+					trange := strings.Split(timestr, "-")
+					if len(trange) == 2 {
+						startTime := trange[0]
+						endTime := trange[1]
+						opt.Validate(startTime, endTime)
+					}
+				}
+				channel.TryAutoInvite(&opt)
+			}
+		}
+	case SEpublish:
+		if channel := FindChannel(e.Target.AppName, strings.TrimSuffix(e.Target.StreamName, "/rtsp")); channel != nil {
+			channel.LiveSubSP = e.Target.Path
+		}
+	case SEclose:
+		if channel := FindChannel(e.Target.AppName, strings.TrimSuffix(e.Target.StreamName, "/rtsp")); channel != nil {
+			channel.LiveSubSP = ""
+		}
+		if v, ok := PullStreams.LoadAndDelete(e.Target.Path); ok {
+			go v.(*PullStream).Bye()
+		}
 	}
 }

@@ -80,33 +133,7 @@ func (c *GB28181Config) IsMediaNetworkTCP() bool {
 	return strings.ToLower(c.MediaNetwork) == "tcp"
 }

-var conf = &GB28181Config{
-	AutoInvite:     true,
-	PreFetchRecord: false,
-	UdpCacheSize:   0,
-	SipNetwork:     "udp",
-	SipIP:          "",
-	SipPort:        5060,
-	Serial:         "34020000002000000001",
-	Realm:          "3402000000",
-	Username:       "",
-	Password:       "",
+var conf GB28181Config

-	// AckTimeout:        10,
-	RegisterValidity: 60 * time.Second,
-	// RegisterInterval:  60,
-	HeartbeatInterval: 60 * time.Second,
-	// HeartbeatRetry:    3,
-
-	MediaIP:   "",
-	MediaPort: 58200,
-	// MediaIdleTimeout: 30,
-	MediaNetwork: "udp",
-
-	RemoveBanInterval: 600 * time.Second,
-	LogLevel:          "info",
-	// WaitKeyFrame:      true,
-	Position: GB28181PositionConfig{AutosubPosition: false, Expires: 3600 * time.Second, Interval: 6 * time.Second},
-}
-
-var plugin = InstallPlugin(conf)
+var GB28181Plugin = InstallPlugin(&conf)
+var PullStreams sync.Map //拉流
--- a/manscdp.go
+++ b/manscdp.go
@@ -2,6 +2,7 @@ package gb28181

 import (
 	"fmt"
+	"strconv"
 	"time"
 )

@@ -43,6 +44,17 @@ var (
 </Query>`
 )

+func intTotime(t int64) time.Time {
+	tstr := strconv.FormatInt(t, 10)
+	if len(tstr) == 10 {
+		return time.Unix(t, 0)
+	}
+	if len(tstr) == 13 {
+		return time.UnixMilli(t)
+	}
+	return time.Now()
+}
+
 // BuildDeviceInfoXML 获取设备详情指令
 func BuildDeviceInfoXML(sn int, id string) string {
 	return fmt.Sprintf(DeviceInfoXML, sn, id)
@@ -55,7 +67,7 @@ func BuildCatalogXML(sn int, id string) string {

 // BuildRecordInfoXML 获取录像文件列表指令
 func BuildRecordInfoXML(sn int, id string, start, end int64) string {
-	return fmt.Sprintf(RecordInfoXML, sn, id, time.Unix(start, 0).Format("2006-01-02T15:04:05"), time.Unix(end, 0).Format("2006-01-02T15:04:05"))
+	return fmt.Sprintf(RecordInfoXML, sn, id, intTotime(start).Format("2006-01-02T15:04:05"), intTotime(end).Format("2006-01-02T15:04:05"))
 }

 // BuildDevicePositionXML 订阅设备位置
--- a/portmanager.go
+++ b/portmanager.go
@@ -0,0 +1,47 @@
+package gb28181
+
+import "io"
+
+type PortManager struct {
+	recycle chan uint16
+	max     uint16
+	pos     uint16
+	Valid   bool
+}
+
+func (pm *PortManager) Init(start, end uint16) {
+	pm.pos = start - 1
+	pm.max = end
+	if pm.pos > 0 && pm.max > pm.pos {
+		pm.Valid = true
+		pm.recycle = make(chan uint16, pm.Range())
+	}
+}
+
+func (pm *PortManager) Range() uint16 {
+	return pm.max - pm.pos
+}
+
+func (pm *PortManager) Recycle(p uint16) (err error) {
+	select {
+	case pm.recycle <- p:
+		return nil
+	default:
+		return io.EOF //TODO: 换一个Error
+	}
+}
+
+func (pm *PortManager) GetPort() (p uint16, err error) {
+	select {
+	case p = <-pm.recycle:
+		return
+	default:
+		if pm.Range() > 0 {
+			pm.pos++
+			p = pm.pos
+			return
+		} else {
+			return 0, io.EOF //TODO: 换一个Error
+		}
+	}
+}
--- a/ptz.go
+++ b/ptz.go
@@ -0,0 +1,47 @@
+package gb28181
+
+import "fmt"
+
+var (
+	name2code = map[string]uint8{
+		"stop":      0,
+		"right":     1,
+		"left":      2,
+		"down":      4,
+		"downright": 5,
+		"downleft":  6,
+		"up":        8,
+		"upright":   9,
+		"upleft":    10,
+		"zoomin":    16,
+		"zoomout":   32,
+	}
+)
+
+func toPtzStrByCmdName(cmdName string, horizontalSpeed, verticalSpeed, zoomSpeed uint8) (string, error) {
+	c, err := toPtzCode(cmdName)
+	if err != nil {
+		return "", err
+	}
+	return toPtzStr(c, horizontalSpeed, verticalSpeed, zoomSpeed), nil
+}
+
+func toPtzStr(cmdCode, horizontalSpeed, verticalSpeed, zoomSpeed uint8) string {
+	checkCode := uint16(0xA5+0x0F+0x01+cmdCode+horizontalSpeed+verticalSpeed+(zoomSpeed&0xF0)) % 0x100
+
+	return fmt.Sprintf("A50F01%02X%02X%02X%01X0%02X",
+		cmdCode,
+		horizontalSpeed,
+		verticalSpeed,
+		zoomSpeed>>4, // 根据 GB28181 协议，zoom 只取 4 bit
+		checkCode,
+	)
+}
+
+func toPtzCode(cmd string) (uint8, error) {
+	if code, ok := name2code[cmd]; ok {
+		return code, nil
+	} else {
+		return 0, fmt.Errorf("invalid ptz cmd %q", cmd)
+	}
+}
--- a/publisher.go
+++ b/publisher.go
@@ -1,319 +0,0 @@
-package gb28181
-
-import (
-	"encoding/binary"
-	"fmt"
-	"io"
-	"net"
-	"os"
-	"time"
-
-	"github.com/ghettovoice/gosip/sip"
-	"github.com/pion/rtp/v2"
-	"go.uber.org/zap"
-	. "m7s.live/engine/v4"
-	. "m7s.live/engine/v4/codec"
-	"m7s.live/engine/v4/codec/mpegts"
-	. "m7s.live/engine/v4/track"
-	"m7s.live/engine/v4/util"
-	"m7s.live/plugin/gb28181/v4/utils"
-)
-
-type GBPublisher struct {
-	Publisher
-	InviteOptions
-	channel     *Channel
-	inviteRes   sip.Response
-	parser      *utils.DecPSPackage
-	lastSeq     uint16
-	udpCache    *utils.PriorityQueueRtp
-	dumpFile    *os.File
-	dumpPrint   io.Writer
-	lastReceive time.Time
-	reorder     util.RTPReorder[*rtp.Packet]
-}
-
-func (p *GBPublisher) PrintDump(s string) {
-	if p.dumpPrint != nil {
-		p.dumpPrint.Write([]byte(s))
-	}
-}
-
-func (p *GBPublisher) OnEvent(event any) {
-	if p.channel == nil {
-		p.IO.OnEvent(event)
-		return
-	}
-	switch event.(type) {
-	case IPublisher:
-		if p.IsLive() {
-			p.Type = "GB28181 Live"
-			p.channel.LivePublisher = p
-		} else {
-			p.Type = "GB28181 Playback"
-			p.channel.RecordPublisher = p
-		}
-		conf.publishers.Add(p.SSRC, p)
-		if err := error(nil); p.dump != "" {
-			if p.dumpFile, err = os.OpenFile(p.dump, os.O_WRONLY|os.O_CREATE, 0644); err != nil {
-				p.Error("open dump file failed", zap.Error(err))
-			}
-		}
-	case SEwaitPublish:
-		//掉线自动重新拉流
-		if p.IsLive() {
-			if p.channel.LivePublisher != nil {
-				p.channel.LivePublisher = nil
-				p.channel.liveInviteLock.Unlock()
-			}
-			go p.channel.Invite(InviteOptions{})
-		}
-	case SEclose, SEKick:
-		if p.IsLive() {
-			if p.channel.LivePublisher != nil {
-				p.channel.LivePublisher = nil
-				p.channel.liveInviteLock.Unlock()
-			}
-		} else {
-			p.channel.RecordPublisher = nil
-		}
-		conf.publishers.Delete(p.SSRC)
-		if p.dumpFile != nil {
-			p.dumpFile.Close()
-		}
-		p.Bye()
-	}
-	p.Publisher.OnEvent(event)
-}
-
-func (p *GBPublisher) Bye() int {
-	res := p.inviteRes
-	if res == nil {
-		return 404
-	}
-	defer p.Stop()
-	p.inviteRes = nil
-	bye := p.channel.CreateRequst(sip.BYE)
-	from, _ := res.From()
-	to, _ := res.To()
-	callId, _ := res.CallID()
-	bye.ReplaceHeaders(from.Name(), []sip.Header{from})
-	bye.ReplaceHeaders(to.Name(), []sip.Header{to})
-	bye.ReplaceHeaders(callId.Name(), []sip.Header{callId})
-	resp, err := p.channel.device.SipRequestForResponse(bye)
-	if err != nil {
-		p.Error("Bye", zap.Error(err))
-		return 500
-	}
-	return int(resp.StatusCode())
-}
-
-func (p *GBPublisher) PushVideo(pts uint32, dts uint32, payload []byte) {
-	if p.VideoTrack == nil {
-		switch p.parser.VideoStreamType {
-		case mpegts.STREAM_TYPE_H264:
-			p.VideoTrack = NewH264(p.Publisher.Stream)
-		case mpegts.STREAM_TYPE_H265:
-			p.VideoTrack = NewH265(p.Publisher.Stream)
-		default:
-			//推测编码类型
-			var maybe264 H264NALUType
-			maybe264 = maybe264.Parse(payload[4])
-			switch maybe264 {
-			case NALU_Non_IDR_Picture,
-				NALU_IDR_Picture,
-				NALU_SEI,
-				NALU_SPS,
-				NALU_PPS,
-				NALU_Access_Unit_Delimiter:
-				p.VideoTrack = NewH264(p.Publisher.Stream)
-			default:
-				p.Info("maybe h265", zap.Uint8("type", maybe264.Byte()))
-				p.VideoTrack = NewH265(p.Publisher.Stream)
-			}
-		}
-	}
-	if len(payload) > 10 {
-		p.PrintDump(fmt.Sprintf("<td>pts:%d dts:%d data: % 2X</td>", pts, dts, payload[:10]))
-	} else {
-		p.PrintDump(fmt.Sprintf("<td>pts:%d dts:%d data: % 2X</td>", pts, dts, payload))
-	}
-	if dts == 0 {
-		dts = pts
-	}
-	// if binary.BigEndian.Uint32(payload) != 1 {
-	// 	panic("not annexb")
-	// }
-	p.WriteAnnexB(pts, dts, payload)
-}
-func (p *GBPublisher) PushAudio(ts uint32, payload []byte) {
-	if p.AudioTrack == nil {
-		switch p.parser.AudioStreamType {
-		case mpegts.STREAM_TYPE_G711A:
-			p.AudioTrack = NewG711(p.Publisher.Stream, true, uint32(90000))
-		case mpegts.STREAM_TYPE_G711U:
-			p.AudioTrack = NewG711(p.Publisher.Stream, false, uint32(90000))
-		case mpegts.STREAM_TYPE_AAC:
-			p.AudioTrack = NewAAC(p.Publisher.Stream, uint32(90000))
-			p.WriteADTS(ts, payload)
-		case 0: //推测编码类型
-			if payload[0] == 0xff && payload[1]>>4 == 0xf {
-				p.AudioTrack = NewAAC(p.Publisher.Stream, uint32(90000))
-				p.WriteADTS(ts, payload)
-			}
-		default:
-			p.Error("audio type not supported yet", zap.Uint32("type", p.parser.AudioStreamType))
-		}
-	} else if p.parser.AudioStreamType == mpegts.STREAM_TYPE_AAC {
-		p.WriteADTS(ts, payload)
-	} else {
-		p.WriteRaw(ts, payload)
-	}
-}
-
-// 解析rtp封装 https://www.ietf.org/rfc/rfc2250.txt
-func (p *GBPublisher) PushPS(rtp *rtp.Packet) {
-	if p.parser == nil {
-		p.parser = utils.NewDecPSPackage(p)
-	}
-	if conf.IsMediaNetworkTCP() {
-		p.parser.Feed(rtp)
-		p.lastSeq = rtp.SequenceNumber
-	} else {
-		for rtp = p.reorder.Push(rtp.SequenceNumber, rtp); rtp != nil; rtp = p.reorder.Pop() {
-			if rtp.SequenceNumber != p.lastSeq+1 {
-				fmt.Println("drop", rtp.SequenceNumber, p.lastSeq)
-				p.parser.Drop()
-				if p.VideoTrack != nil {
-					p.SetLostFlag()
-				}
-			}
-			p.parser.Feed(rtp)
-			p.lastSeq = rtp.SequenceNumber
-		}
-	}
-}
-
-func (p *GBPublisher) Replay(f *os.File) (err error) {
-	var rtpPacket rtp.Packet
-	defer f.Close()
-	if p.dumpPrint != nil {
-		p.PrintDump(`<style  type="text/css">
-		.gray {
-			color: gray;
-		}
-		</style>
-		`)
-		p.PrintDump("<table>")
-		defer p.PrintDump("</table>")
-	}
-	var t uint16
-	for l := make([]byte, 6); !p.IsClosed(); time.Sleep(time.Millisecond * time.Duration(t)) {
-		_, err = f.Read(l)
-		if err != nil {
-			return
-		}
-		payload := make([]byte, util.ReadBE[int](l[:4]))
-		t = util.ReadBE[uint16](l[4:])
-		p.PrintDump(fmt.Sprintf("[<b>%d</b> %d]", t, len(payload)))
-		_, err = f.Read(payload)
-		if err != nil {
-			return
-		}
-		rtpPacket.Unmarshal(payload)
-		p.PushPS(&rtpPacket)
-	}
-	return
-}
-
-func (p *GBPublisher) ListenUDP() (port uint16, err error) {
-	var rtpPacket rtp.Packet
-	networkBuffer := 1048576
-	port, err = conf.udpPorts.GetPort()
-	if err != nil {
-		return
-	}
-	addr := fmt.Sprintf(":%d", port)
-	mediaAddr, _ := net.ResolveUDPAddr("udp", addr)
-	conn, err := net.ListenUDP("udp", mediaAddr)
-	if err != nil {
-		conf.udpPorts.Recycle(port)
-		plugin.Error("listen media server udp err", zap.String("addr", addr), zap.Error(err))
-		return 0, err
-	}
-	p.SetIO(conn)
-	go func() {
-		defer conn.Close()
-		bufUDP := make([]byte, networkBuffer)
-		plugin.Info("Media udp server start.", zap.Uint16("port", port))
-		defer plugin.Info("Media udp server stop", zap.Uint16("port", port))
-		defer conf.udpPorts.Recycle(port)
-		dumpLen := make([]byte, 6)
-		conn.SetReadDeadline(time.Now().Add(time.Second * 10))
-		for n, _, err := conn.ReadFromUDP(bufUDP); err == nil; n, _, err = conn.ReadFromUDP(bufUDP) {
-			ps := bufUDP[:n]
-			if err := rtpPacket.Unmarshal(ps); err != nil {
-				plugin.Error("Decode rtp error:", zap.Error(err))
-			}
-			if p.dumpFile != nil {
-				util.PutBE(dumpLen[:4], n)
-				if p.lastReceive.IsZero() {
-					util.PutBE(dumpLen[4:], 0)
-				} else {
-					util.PutBE(dumpLen[4:], uint16(time.Since(p.lastReceive).Milliseconds()))
-				}
-				p.lastReceive = time.Now()
-				p.dumpFile.Write(dumpLen)
-				p.dumpFile.Write(ps)
-			}
-			p.PushPS(&rtpPacket)
-			conn.SetReadDeadline(time.Now().Add(time.Second * 10))
-		}
-	}()
-	return
-}
-
-func (p *GBPublisher) ListenTCP() (port uint16, err error) {
-	port, err = conf.tcpPorts.GetPort()
-	if err != nil {
-		return
-	}
-	addr := fmt.Sprintf(":%d", port)
-	mediaAddr, _ := net.ResolveTCPAddr("tcp", addr)
-	listen, err := net.ListenTCP("tcp", mediaAddr)
-	if err != nil {
-		defer conf.tcpPorts.Recycle(port)
-		plugin.Error("listen media server tcp err", zap.String("addr", addr), zap.Error(err))
-		return 0, err
-	}
-	go func() {
-		plugin.Info("Media tcp server start.", zap.Uint16("port", port))
-		defer conf.tcpPorts.Recycle(port)
-		defer plugin.Info("Media tcp server stop", zap.Uint16("port", port))
-		conn, err := listen.Accept()
-		listen.Close()
-		p.SetIO(conn)
-		if err != nil {
-			plugin.Error("Accept err=", zap.Error(err))
-			return
-		}
-		var rtpPacket rtp.Packet
-		lenBuf := make([]byte, 2)
-		defer conn.Close()
-		for err == nil {
-			if _, err = io.ReadFull(conn, lenBuf); err != nil {
-				return
-			}
-			ps := make([]byte, binary.BigEndian.Uint16(lenBuf))
-			if _, err = io.ReadFull(conn, ps); err != nil {
-				return
-			}
-			if err := rtpPacket.Unmarshal(ps); err != nil {
-				plugin.Error("gb28181 decode rtp error:", zap.Error(err))
-			} else if !p.IsClosed() {
-				p.PushPS(&rtpPacket)
-			}
-		}
-	}()
-	return
-}
--- a/restful.go
+++ b/restful.go
@@ -1,8 +1,9 @@
 package gb28181

 import (
+	"encoding/json"
+	"fmt"
 	"net/http"
-	"os"
 	"strconv"
 	"strings"
 	"time"
@@ -10,15 +11,15 @@ import (
 	"m7s.live/engine/v4/util"
 )

+var (
+	playScaleValues = map[float32]bool{0.25: true, 0.5: true, 1: true, 2: true, 4: true}
+)
+
 func (c *GB28181Config) API_list(w http.ResponseWriter, r *http.Request) {
 	util.ReturnJson(func() (list []*Device) {
+		list = make([]*Device, 0)
 		Devices.Range(func(key, value interface{}) bool {
-			device := value.(*Device)
-			if time.Since(device.UpdateTime) > c.RegisterValidity {
-				Devices.Delete(key)
-			} else {
-				list = append(list, device)
-			}
+			list = append(list, value.(*Device))
 			return true
 		})
 		return
@@ -26,12 +27,23 @@ func (c *GB28181Config) API_list(w http.ResponseWriter, r *http.Request) {
 }

 func (c *GB28181Config) API_records(w http.ResponseWriter, r *http.Request) {
-	id := r.URL.Query().Get("id")
-	channel := r.URL.Query().Get("channel")
-	startTime := r.URL.Query().Get("startTime")
-	endTime := r.URL.Query().Get("endTime")
+	query := r.URL.Query()
+	id := query.Get("id")
+	channel := query.Get("channel")
+	startTime := query.Get("startTime")
+	endTime := query.Get("endTime")
+	trange := strings.Split(query.Get("range"), "-")
+	if len(trange) == 2 {
+		startTime = trange[0]
+		endTime = trange[1]
+	}
 	if c := FindChannel(id, channel); c != nil {
-		w.WriteHeader(c.QueryRecord(startTime, endTime))
+		res, err := c.QueryRecord(startTime, endTime)
+		if err == nil {
+			WriteJSONOk(w, res)
+		} else {
+			WriteJSON(w, err.Error(), http.StatusInternalServerError)
+		}
 	} else {
 		http.NotFound(w, r)
 	}
@@ -48,67 +60,137 @@ func (c *GB28181Config) API_control(w http.ResponseWriter, r *http.Request) {
 	}
 }

+func (c *GB28181Config) API_ptz(w http.ResponseWriter, r *http.Request) {
+	q := r.URL.Query()
+	id := q.Get("id")
+	channel := q.Get("channel")
+	cmd := q.Get("cmd")   // 命令名称，见 ptz.go name2code 定义
+	hs := q.Get("hSpeed") // 水平速度
+	vs := q.Get("vSpeed") // 垂直速度
+	zs := q.Get("zSpeed") // 缩放速度
+
+	hsN, err := strconv.ParseUint(hs, 10, 8)
+	if err != nil {
+		WriteJSON(w, "hSpeed parameter is invalid", 400)
+		return
+	}
+	vsN, err := strconv.ParseUint(vs, 10, 8)
+	if err != nil {
+		WriteJSON(w, "vSpeed parameter is invalid", 400)
+		return
+	}
+	zsN, err := strconv.ParseUint(zs, 10, 8)
+	if err != nil {
+		WriteJSON(w, "zSpeed parameter is invalid", 400)
+		return
+	}
+
+	ptzcmd, err := toPtzStrByCmdName(cmd, uint8(hsN), uint8(vsN), uint8(zsN))
+	if err != nil {
+		WriteJSON(w, err.Error(), 400)
+		return
+	}
+	if c := FindChannel(id, channel); c != nil {
+		code := c.Control(ptzcmd)
+		WriteJSON(w, "device received", code)
+	} else {
+		WriteJSON(w, fmt.Sprintf("device %q channel %q not found", id, channel), 404)
+	}
+}
+
 func (c *GB28181Config) API_invite(w http.ResponseWriter, r *http.Request) {
 	query := r.URL.Query()
 	id := query.Get("id")
 	channel := query.Get("channel")
+	streamPath := query.Get("streamPath")
 	port, _ := strconv.Atoi(query.Get("mediaPort"))
 	opt := InviteOptions{
-		dump:      query.Get("dump"),
-		MediaPort: uint16(port),
+		dump:       query.Get("dump"),
+		MediaPort:  uint16(port),
+		StreamPath: streamPath,
 	}
-	opt.Validate(query.Get("startTime"), query.Get("endTime"))
+	startTime := query.Get("startTime")
+	endTime := query.Get("endTime")
+	trange := strings.Split(query.Get("range"), "-")
+	if len(trange) == 2 {
+		startTime = trange[0]
+		endTime = trange[1]
+	}
+	opt.Validate(startTime, endTime)
 	if c := FindChannel(id, channel); c == nil {
 		http.NotFound(w, r)
-	} else if opt.IsLive() && c.LivePublisher != nil {
-		w.WriteHeader(304) //直播流已存在
-	} else if code, err := c.Invite(opt); err == nil {
+	} else if opt.IsLive() && c.status.Load() > 0 {
+		http.Error(w, "live stream already exists", http.StatusNotModified)
+	} else if code, err := c.Invite(&opt); err == nil {
 		w.WriteHeader(code)
 	} else {
 		http.Error(w, err.Error(), code)
 	}
 }

-func (c *GB28181Config) API_replay(w http.ResponseWriter, r *http.Request) {
-	dump := r.URL.Query().Get("dump")
-	printOut := r.URL.Query().Get("print")
-	if dump == "" {
-		dump = c.DumpPath
-	}
-	f, err := os.OpenFile(dump, os.O_RDONLY, 0644)
-	if err != nil {
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+func (c *GB28181Config) API_bye(w http.ResponseWriter, r *http.Request) {
+	id := r.URL.Query().Get("id")
+	channel := r.URL.Query().Get("channel")
+	streamPath := r.URL.Query().Get("streamPath")
+	if c := FindChannel(id, channel); c != nil {
+		w.WriteHeader(c.Bye(streamPath))
 	} else {
-		streamPath := dump
-		if strings.HasPrefix(dump, "/") {
-			streamPath = "replay" + dump
-		} else {
-			streamPath = "replay/" + dump
-		}
-		var pub GBPublisher
-		pub.SetIO(f)
-		if err = plugin.Publish(streamPath, &pub); err == nil {
-			if printOut != "" {
-				pub.dumpPrint = w
-				pub.SetParentCtx(r.Context())
-				err = pub.Replay(f)
-			} else {
-				go pub.Replay(f)
-				w.Write([]byte("ok"))
-			}
-		} else {
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-		}
+		http.NotFound(w, r)
 	}
 }

-func (c *GB28181Config) API_bye(w http.ResponseWriter, r *http.Request) {
-	// CORS(w, r)
+func (c *GB28181Config) API_play_pause(w http.ResponseWriter, r *http.Request) {
 	id := r.URL.Query().Get("id")
 	channel := r.URL.Query().Get("channel")
-	live := r.URL.Query().Get("live")
+	streamPath := r.URL.Query().Get("streamPath")
 	if c := FindChannel(id, channel); c != nil {
-		w.WriteHeader(c.Bye(live != "false"))
+		w.WriteHeader(c.Pause(streamPath))
+	} else {
+		http.NotFound(w, r)
+	}
+}
+
+func (c *GB28181Config) API_play_resume(w http.ResponseWriter, r *http.Request) {
+	id := r.URL.Query().Get("id")
+	channel := r.URL.Query().Get("channel")
+	streamPath := r.URL.Query().Get("streamPath")
+	if c := FindChannel(id, channel); c != nil {
+		w.WriteHeader(c.Resume(streamPath))
+	} else {
+		http.NotFound(w, r)
+	}
+}
+
+func (c *GB28181Config) API_play_seek(w http.ResponseWriter, r *http.Request) {
+	id := r.URL.Query().Get("id")
+	channel := r.URL.Query().Get("channel")
+	streamPath := r.URL.Query().Get("streamPath")
+	secStr := r.URL.Query().Get("second")
+	sec, err := strconv.ParseUint(secStr, 10, 32)
+	if err != nil {
+		WriteJSON(w, "second parameter is invalid: "+err.Error(), 400)
+		return
+	}
+	if c := FindChannel(id, channel); c != nil {
+		w.WriteHeader(c.PlayAt(streamPath, uint(sec)))
+	} else {
+		http.NotFound(w, r)
+	}
+}
+
+func (c *GB28181Config) API_play_forward(w http.ResponseWriter, r *http.Request) {
+	id := r.URL.Query().Get("id")
+	channel := r.URL.Query().Get("channel")
+	streamPath := r.URL.Query().Get("streamPath")
+	speedStr := r.URL.Query().Get("speed")
+	speed, err := strconv.ParseFloat(speedStr, 32)
+	secondErrMsg := "speed parameter is invalid, should be one of 0.25,0.5,1,2,4"
+	if err != nil || !playScaleValues[float32(speed)] {
+		WriteJSON(w, secondErrMsg, 400)
+		return
+	}
+	if c := FindChannel(id, channel); c != nil {
+		w.WriteHeader(c.PlayForward(streamPath, float32(speed)))
 	} else {
 		http.NotFound(w, r)
 	}
@@ -169,3 +251,13 @@ func (c *GB28181Config) API_get_position(w http.ResponseWriter, r *http.Request)
 		return
 	}, c.Position.Interval, w, r)
 }
+
+func WriteJSONOk(w http.ResponseWriter, data interface{}) {
+	WriteJSON(w, data, 200)
+}
+
+func WriteJSON(w http.ResponseWriter, data interface{}, status int) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(data)
+}
--- a/server.go
+++ b/server.go
@@ -1,19 +1,14 @@
 package gb28181

 import (
-	"bufio"
-	"encoding/binary"
+	"context"
 	"fmt"
-	"io"
-	"net"
 	"strconv"
 	"strings"
 	"time"

 	"github.com/logrusorgru/aurora"
-	"github.com/pion/rtp/v2"
 	"go.uber.org/zap"
-	"m7s.live/engine/v4/util"
 	"m7s.live/plugin/gb28181/v4/utils"

 	"github.com/ghettovoice/gosip"
@@ -23,65 +18,14 @@ import (

 var srv gosip.Server

-type PortManager struct {
-	recycle chan uint16
-	max     uint16
-	pos     uint16
-	Valid   bool
-}
-
-func (pm *PortManager) Init(start, end uint16) {
-	pm.pos = start
-	pm.max = end
-	if pm.pos > 0 && pm.max > pm.pos {
-		pm.Valid = true
-		pm.recycle = make(chan uint16, pm.Range())
-	}
-}
-
-func (pm *PortManager) Range() uint16 {
-	return pm.max - pm.pos
-}
-
-func (pm *PortManager) Recycle(p uint16) (err error) {
-	select {
-	case pm.recycle <- p:
-		return nil
-	default:
-		return io.EOF //TODO: 换一个Error
-	}
-}
-
-func (pm *PortManager) GetPort() (p uint16, err error) {
-	select {
-	case p = <-pm.recycle:
-		return
-	default:
-		if pm.Range() > 0 {
-			pm.pos++
-			p = pm.pos
-			return
-		} else {
-			return 0, io.EOF //TODO: 换一个Error
-		}
-	}
-}
-
-type Server struct {
-	Ignores    map[string]struct{}
-	publishers util.Map[uint32, *GBPublisher]
-	tcpPorts   PortManager
-	udpPorts   PortManager
-}
-
 const MaxRegisterCount = 3

 func FindChannel(deviceId string, channelId string) (c *Channel) {
 	if v, ok := Devices.Load(deviceId); ok {
 		d := v.(*Device)
-		d.channelMutex.RLock()
-		c = d.channelMap[channelId]
-		d.channelMutex.RUnlock()
+		if v, ok := d.channelMap.Load(channelId); ok {
+			return v.(*Channel)
+		}
 	}
 	return
 }
@@ -96,11 +40,85 @@ var levelMap = map[string]log.Level{
 	"panic": log.PanicLevel,
 }

-func (c *GB28181Config) startServer() {
-	c.publishers.Init()
-	addr := "0.0.0.0:" + strconv.Itoa(int(c.SipPort))
+func GetSipServer(transport string) gosip.Server {
+	return srv
+}

-	logger := utils.NewZapLogger(plugin.Logger, "GB SIP Server", nil)
+var sn = 0
+
+func CreateRequest(exposedId string, Method sip.RequestMethod, recipient *sip.Address, netAddr string) (req sip.Request) {
+
+	sn++
+
+	callId := sip.CallID(utils.RandNumString(10))
+	userAgent := sip.UserAgentHeader("Monibuca")
+	cseq := sip.CSeq{
+		SeqNo:      uint32(sn),
+		MethodName: Method,
+	}
+	port := sip.Port(conf.SipPort)
+	serverAddr := sip.Address{
+		//DisplayName: sip.String{Str: d.config.Serial},
+		Uri: &sip.SipUri{
+			FUser: sip.String{Str: exposedId},
+			FHost: conf.SipIP,
+			FPort: &port,
+		},
+		Params: sip.NewParams().Add("tag", sip.String{Str: utils.RandNumString(9)}),
+	}
+	req = sip.NewRequest(
+		"",
+		Method,
+		recipient.Uri,
+		"SIP/2.0",
+		[]sip.Header{
+			serverAddr.AsFromHeader(),
+			recipient.AsToHeader(),
+			&callId,
+			&userAgent,
+			&cseq,
+			serverAddr.AsContactHeader(),
+		},
+		"",
+		nil,
+	)
+
+	req.SetTransport(conf.SipNetwork)
+	req.SetDestination(netAddr)
+	//fmt.Printf("构建请求参数:%s", *&req)
+	// requestMsg.DestAdd, err2 = d.ResolveAddress(requestMsg)
+	// if err2 != nil {
+	// 	return nil
+	// }
+	//intranet ip , let's resolve it with public ip
+	// var deviceIp, deviceSourceIP net.IP
+	// switch addr := requestMsg.DestAdd.(type) {
+	// case *net.UDPAddr:
+	// 	deviceIp = addr.IP
+	// case *net.TCPAddr:
+	// 	deviceIp = addr.IP
+	// }
+
+	// switch addr2 := d.SourceAddr.(type) {
+	// case *net.UDPAddr:
+	// 	deviceSourceIP = addr2.IP
+	// case *net.TCPAddr:
+	// 	deviceSourceIP = addr2.IP
+	// }
+	// if deviceIp.IsPrivate() && !deviceSourceIP.IsPrivate() {
+	// 	requestMsg.DestAdd = d.SourceAddr
+	// }
+	return
+}
+func RequestForResponse(transport string, request sip.Request,
+	options ...gosip.RequestWithContextOption) (sip.Response, error) {
+	return (GetSipServer(transport)).RequestWithContext(context.Background(), request, options...)
+}
+
+func (c *GB28181Config) startServer() {
+	addr := c.ListenAddr + ":" + strconv.Itoa(int(c.SipPort))
+
+	logger := utils.NewZapLogger(GB28181Plugin.Logger, "GB SIP Server", nil)
 	logger.SetLevel(levelMap[c.LogLevel])
 	// logger := log.NewDefaultLogrusLogger().WithPrefix("GB SIP Server")
 	srvConf := gosip.ServerConfig{}
@@ -114,112 +132,17 @@ func (c *GB28181Config) startServer() {
 	srv.OnRequest(sip.BYE, c.OnBye)
 	err := srv.Listen(strings.ToLower(c.SipNetwork), addr)
 	if err != nil {
-		plugin.Logger.Error("gb28181 server listen", zap.Error(err))
+		GB28181Plugin.Logger.Error("gb28181 server listen", zap.Error(err))
 	} else {
-		plugin.Info(fmt.Sprint(aurora.Green("Server gb28181 start at"), aurora.BrightBlue(addr)))
+		GB28181Plugin.Info(fmt.Sprint(aurora.Green("Server gb28181 start at"), aurora.BrightBlue(addr)))
 	}

-	go c.startMediaServer()
-
-	if c.Username != "" || c.Password != "" {
-		go c.removeBanDevice()
-	}
-}
-
-func (c *GB28181Config) startMediaServer() {
 	if c.MediaNetwork == "tcp" {
 		c.tcpPorts.Init(c.MediaPortMin, c.MediaPortMax)
-		if !c.tcpPorts.Valid {
-			c.listenMediaTCP()
-		}
 	} else {
 		c.udpPorts.Init(c.MediaPortMin, c.MediaPortMax)
-		if !c.udpPorts.Valid {
-			c.listenMediaUDP()
-		}
-	}
-}
-
-func (c *GB28181Config) processTcpMediaConn(conn net.Conn) {
-	var rtpPacket rtp.Packet
-	reader := bufio.NewReader(conn)
-	lenBuf := make([]byte, 2)
-	defer conn.Close()
-	var err error
-	for err == nil {
-		if _, err = io.ReadFull(reader, lenBuf); err != nil {
-			return
-		}
-		ps := make([]byte, binary.BigEndian.Uint16(lenBuf))
-		if _, err = io.ReadFull(reader, ps); err != nil {
-			return
-		}
-		if err := rtpPacket.Unmarshal(ps); err != nil {
-			plugin.Error("gb28181 decode rtp error:", zap.Error(err))
-		} else if publisher := c.publishers.Get(rtpPacket.SSRC); publisher != nil && publisher.Publisher.Err() == nil {
-			publisher.PushPS(&rtpPacket)
-		}
-	}
-}
-
-func (c *GB28181Config) listenMediaTCP() {
-	addr := ":" + strconv.Itoa(int(c.MediaPort))
-	mediaAddr, _ := net.ResolveTCPAddr("tcp", addr)
-	listen, err := net.ListenTCP("tcp", mediaAddr)
-
-	if err != nil {
-		plugin.Error("listen media server tcp err", zap.String("addr", addr), zap.Error(err))
-		return
-	}
-	plugin.Info("Media tcp server start.", zap.Uint16("port", c.MediaPort))
-	defer listen.Close()
-	defer plugin.Info("Media tcp server stop", zap.Uint16("port", c.MediaPort))
-
-	for {
-		conn, err := listen.Accept()
-		if err != nil {
-			plugin.Error("Accept err=", zap.Error(err))
-		}
-		go c.processTcpMediaConn(conn)
-	}
-}
-
-func (c *GB28181Config) listenMediaUDP() {
-	var rtpPacket rtp.Packet
-	networkBuffer := 1048576
-
-	addr := ":" + strconv.Itoa(int(c.MediaPort))
-	mediaAddr, _ := net.ResolveUDPAddr("udp", addr)
-	conn, err := net.ListenUDP("udp", mediaAddr)
-
-	if err != nil {
-		plugin.Error("listen media server udp err", zap.String("addr", addr), zap.Error(err))
-		return
-	}
-	bufUDP := make([]byte, networkBuffer)
-	plugin.Info("Media udp server start.", zap.Uint16("port", c.MediaPort))
-	defer plugin.Info("Media udp server stop", zap.Uint16("port", c.MediaPort))
-	dumpLen := make([]byte, 6)
-	for n, _, err := conn.ReadFromUDP(bufUDP); err == nil; n, _, err = conn.ReadFromUDP(bufUDP) {
-		ps := bufUDP[:n]
-		if err := rtpPacket.Unmarshal(ps); err != nil {
-			plugin.Error("Decode rtp error:", zap.Error(err))
-		}
-		if publisher := c.publishers.Get(rtpPacket.SSRC); publisher != nil && publisher.Publisher.Err() == nil {
-			if publisher.dumpFile != nil {
-				util.PutBE(dumpLen[:4], n)
-				if publisher.lastReceive.IsZero() {
-					util.PutBE(dumpLen[4:], 0)
-				} else {
-					util.PutBE(dumpLen[4:], uint16(time.Since(publisher.lastReceive).Milliseconds()))
-				}
-				publisher.lastReceive = time.Now()
-				publisher.dumpFile.Write(dumpLen)
-				publisher.dumpFile.Write(ps)
-			}
-			publisher.PushPS(&rtpPacket)
-		}
 	}
+	go c.startJob()
 }

 // func queryCatalog(config *transaction.Config) {
@@ -237,14 +160,58 @@ func (c *GB28181Config) listenMediaUDP() {
 // 	}
 // }

-func (c *GB28181Config) removeBanDevice() {
-	t := time.NewTicker(c.RemoveBanInterval)
-	for range t.C {
-		DeviceRegisterCount.Range(func(key, value interface{}) bool {
-			if value.(int) > MaxRegisterCount {
-				DeviceRegisterCount.Delete(key)
+// 定时任务
+func (c *GB28181Config) startJob() {
+	statusTick := time.NewTicker(c.HeartbeatInterval / 2)
+	banTick := time.NewTicker(c.RemoveBanInterval)
+	linkTick := time.NewTicker(time.Millisecond * 100)
+	GB28181Plugin.Debug("start job")
+	for {
+		select {
+		case <-banTick.C:
+			if c.Username != "" || c.Password != "" {
+				c.removeBanDevice()
 			}
-			return true
-		})
+		case <-statusTick.C:
+			c.statusCheck()
+		case <-linkTick.C:
+			RecordQueryLink.cleanTimeout()
+		}
 	}
 }
+
+func (c *GB28181Config) removeBanDevice() {
+	DeviceRegisterCount.Range(func(key, value interface{}) bool {
+		if value.(int) > MaxRegisterCount {
+			DeviceRegisterCount.Delete(key)
+		}
+		return true
+	})
+}
+
+// statusCheck
+// -  当设备超过 3 倍心跳时间未发送过心跳（通过 UpdateTime 判断）, 视为离线
+// - 	当设备超过注册有效期内为发送过消息，则从设备列表中删除
+// UpdateTime 在设备发送心跳之外的消息也会被更新，相对于 LastKeepaliveAt 更能体现出设备最会一次活跃的时间
+func (c *GB28181Config) statusCheck() {
+	Devices.Range(func(key, value any) bool {
+		d := value.(*Device)
+		if time.Since(d.UpdateTime) > c.RegisterValidity {
+			Devices.Delete(key)
+			GB28181Plugin.Info("Device register timeout",
+				zap.String("id", d.ID),
+				zap.Time("registerTime", d.RegisterTime),
+				zap.Time("updateTime", d.UpdateTime),
+			)
+		} else if time.Since(d.UpdateTime) > c.HeartbeatInterval*3 {
+			d.Status = DeviceOfflineStatus
+			d.channelMap.Range(func(key, value any) bool {
+				ch := value.(*Channel)
+				ch.Status = ChannelOffStatus
+				return true
+			})
+			GB28181Plugin.Info("Device offline", zap.String("id", d.ID), zap.Time("updateTime", d.UpdateTime))
+		}
+		return true
+	})
+}
--- a/utils/log.go
+++ b/utils/log.go
@@ -6,17 +6,18 @@ import (
 	"github.com/ghettovoice/gosip/log"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
+	m7slog "m7s.live/engine/v4/log"
 )

 type ZapLogger struct {
-	log     *zap.Logger
+	log     *m7slog.Logger
 	prefix  string
 	fields  log.Fields
 	sugared *zap.SugaredLogger
 	level   log.Level
 }

-func NewZapLogger(log *zap.Logger, prefix string, fields log.Fields) (z *ZapLogger) {
+func NewZapLogger(log *m7slog.Logger, prefix string, fields log.Fields) (z *ZapLogger) {
 	z = &ZapLogger{
 		log:    log,
 		prefix: prefix,
--- a/utils/ps.go
+++ b/utils/ps.go
@@ -1,340 +0,0 @@
-package utils
-
-import (
-	"encoding/binary"
-	"errors"
-	"fmt"
-	"io"
-
-	"github.com/pion/rtp/v2"
-)
-
-const (
-	UDPTransfer        int = 0
-	TCPTransferActive  int = 1
-	TCPTransferPassive int = 2
-	LocalCache         int = 3
-
-	StartCodePS        = 0x000001ba
-	StartCodeSYS       = 0x000001bb
-	StartCodeMAP       = 0x000001bc
-	StartCodeVideo     = 0x000001e0
-	StartCodeAudio     = 0x000001c0
-	PrivateStreamCode  = 0x000001bd
-	MEPGProgramEndCode = 0x000001b9
-
-	RTPHeaderLength    int = 12
-	PSHeaderLength     int = 14
-	SystemHeaderLength int = 18
-	MAPHeaderLength    int = 24
-	PESHeaderLength    int = 19
-	RtpLoadLength      int = 1460
-	PESLoadLength      int = 0xFFFF
-	MAXFrameLen        int = 1024 * 1024 * 2
-)
-
-var (
-	ErrNotFoundStartCode = errors.New("not found the need start code flag")
-	ErrMarkerBit         = errors.New("marker bit value error")
-	ErrFormatPack        = errors.New("not package standard")
-	ErrParsePakcet       = errors.New("parse ps packet error")
-)
-
-type Pusher interface {
-	PushVideo(uint32, uint32, []byte)
-	PushAudio(uint32, []byte)
-	PrintDump(string)
-}
-
-/*
- This implement from VLC source code
- notes: https://github.com/videolan/vlc/blob/master/modules/mux/mpeg/bits.h
-*/
-
-//bitsBuffer bits buffer
-// type bitsBuffer struct {
-// 	iSize int
-// 	iData int
-// 	iMask uint8
-// 	pData []byte
-// }
-
-// func bitsInit(isize int, buffer []byte) *bitsBuffer {
-
-// 	bits := &bitsBuffer{
-// 		iSize: isize,
-// 		iData: 0,
-// 		iMask: 0x80,
-// 		pData: buffer,
-// 	}
-// 	if bits.pData == nil {
-// 		bits.pData = make([]byte, isize)
-// 	}
-// 	return bits
-// }
-
-// func bitsAlign(bits *bitsBuffer) {
-
-// 	if bits.iMask != 0x80 && bits.iData < bits.iSize {
-// 		bits.iMask = 0x80
-// 		bits.iData++
-// 		bits.pData[bits.iData] = 0x00
-// 	}
-// }
-// func bitsWrite(bits *bitsBuffer, count int, src uint64) *bitsBuffer {
-
-// 	for count > 0 {
-// 		count--
-// 		if ((src >> uint(count)) & 0x01) != 0 {
-// 			bits.pData[bits.iData] |= bits.iMask
-// 		} else {
-// 			bits.pData[bits.iData] &= ^bits.iMask
-// 		}
-// 		bits.iMask >>= 1
-// 		if bits.iMask == 0 {
-// 			bits.iData++
-// 			bits.iMask = 0x80
-// 		}
-// 	}
-
-// 	return bits
-// }
-
-/*
-https://github.com/videolan/vlc/blob/master/modules/demux/mpeg
-*/
-type DecPSPackage struct {
-	// systemClockReferenceBase      uint64
-	// systemClockReferenceExtension uint64
-	// programMuxRate                uint32
-
-	VideoStreamType uint32
-	AudioStreamType uint32
-	IOBuffer
-	Payload     []byte
-	videoBuffer []byte
-	audioBuffer []byte
-	aPTS        uint32
-	aDTS        uint32
-	vPTS        uint32
-	vDTS        uint32
-	Pusher
-}
-
-func NewDecPSPackage(p Pusher) *DecPSPackage {
-	p.PrintDump("<tr><td>")
-	return &DecPSPackage{
-		Pusher: p,
-	}
-}
-
-// func (dec *DecPSPackage) clean() {
-// 	dec.systemClockReferenceBase = 0
-// 	dec.systemClockReferenceExtension = 0
-// 	dec.programMuxRate = 0
-// 	dec.Payload = nil
-// 	dec.PTS = 0
-// 	dec.DTS = 0
-// }
-
-func (dec *DecPSPackage) ReadPayload() (payload []byte, err error) {
-	payloadlen, err := dec.Uint16()
-	if err != nil {
-		return
-	}
-	if l := int(payloadlen); dec.Len() >= l {
-		return dec.Next(l), nil
-	}
-	return dec.Next(dec.Len()), io.EOF
-}
-
-// Drop 由于丢包引起的必须丢弃的数据
-func (dec *DecPSPackage) Drop() {
-	dec.Reset()
-	dec.videoBuffer = nil
-	dec.audioBuffer = nil
-	dec.Payload = nil
-}
-
-func (dec *DecPSPackage) Feed(rtp *rtp.Packet) (err error) {
-	ps := rtp.Payload
-	if len(ps) < 4 {
-		return nil
-	}
-	// println(binary.BigEndian.Uint32(ps))
-	switch binary.BigEndian.Uint32(ps) {
-	case StartCodePS, StartCodeSYS, StartCodeMAP, StartCodeVideo, StartCodeAudio, PrivateStreamCode, MEPGProgramEndCode:
-		defer dec.Write(ps)
-		if dec.Len() >= 4 {
-			//说明需要处理PS包，处理完后，清空缓存
-			defer dec.Reset()
-		} else {
-			return
-		}
-	default:
-		// 说明是中间数据，直接写入缓存，否则数据不合法需要丢弃
-		if dec.Len() > 0 {
-			dec.Write(ps)
-		}
-		return nil
-	}
-	for dec.Len() >= 4 {
-		code, _ := dec.Uint32()
-		// println("code:", code)
-		switch code {
-		case StartCodePS:
-			dec.PrintDump("</td></tr><tr><td>")
-			if len(dec.audioBuffer) > 0 {
-				dec.PushAudio(dec.aPTS, dec.audioBuffer)
-				dec.audioBuffer = nil
-			}
-			if err := dec.Skip(9); err != nil {
-				return err
-			}
-			psl, err := dec.ReadByte()
-			if err == nil {
-				psl &= 0x07
-				dec.Skip(int(psl))
-			}
-			if len(dec.videoBuffer) > 0 {
-				dec.PushVideo(dec.vPTS, dec.vDTS, dec.videoBuffer)
-				dec.videoBuffer = nil
-			}
-		case StartCodeSYS:
-			dec.PrintDump("</td><td>[sys]")
-			dec.ReadPayload()
-		case StartCodeMAP:
-			dec.decProgramStreamMap()
-			dec.PrintDump("</td><td>[map]")
-		case StartCodeVideo:
-			if dec.videoBuffer == nil {
-				dec.PrintDump("</td><td>")
-			}
-			dec.decPESPacket(&dec.vPTS, &dec.vDTS)
-			dec.videoBuffer = append(dec.videoBuffer, dec.Payload...)
-			// if err != nil {
-			//说明还有后续数据，需要继续处理
-			// println(rtp.SequenceNumber)
-			// }
-			dec.PrintDump("[video]")
-		case StartCodeAudio:
-
-			if dec.audioBuffer == nil {
-				dec.PrintDump("</td><td>")
-			}
-			if err = dec.decPESPacket(&dec.aPTS, &dec.aDTS); err == nil {
-				dec.audioBuffer = append(dec.audioBuffer, dec.Payload...)
-				dec.PrintDump("[audio]")
-			} else {
-				fmt.Println("audio", err)
-			}
-		case PrivateStreamCode:
-			dec.ReadPayload()
-			dec.PrintDump("</td></tr><tr><td>[ac3]")
-		case MEPGProgramEndCode:
-			dec.PrintDump("</td></tr>")
-			return io.EOF
-		default:
-			fmt.Println("unknow code", code)
-			return ErrParsePakcet
-		}
-	}
-	return nil
-}
-
-/*
-	func (dec *DecPSPackage) decSystemHeader() error {
-		syslens, err := dec.Uint16()
-		if err != nil {
-			return err
-		}
-		// drop rate video audio bound and lock flag
-		syslens -= 6
-		if err = dec.Skip(6); err != nil {
-			return err
-		}
-
-		// ONE WAY: do not to parse the stream  and skip the buffer
-		//br.Skip(syslen * 8)
-
-		// TWO WAY: parse every stream info
-		for syslens > 0 {
-			if nextbits, err := dec.Uint8(); err != nil {
-				return err
-			} else if (nextbits&0x80)>>7 != 1 {
-				break
-			}
-			if err = dec.Skip(2); err != nil {
-				return err
-			}
-			syslens -= 3
-		}
-		return nil
-	}
-*/
-func (dec *DecPSPackage) decProgramStreamMap() error {
-	psm, err := dec.ReadPayload()
-	if err != nil {
-		return err
-	}
-	l := len(psm)
-	index := 2
-	programStreamInfoLen := binary.BigEndian.Uint16(psm[index:])
-	index += 2
-	index += int(programStreamInfoLen)
-	programStreamMapLen := binary.BigEndian.Uint16(psm[index:])
-	index += 2
-	for programStreamMapLen > 0 {
-		if l <= index+1 {
-			break
-		}
-		streamType := psm[index]
-		index++
-		elementaryStreamID := psm[index]
-		index++
-		if elementaryStreamID >= 0xe0 && elementaryStreamID <= 0xef {
-			dec.VideoStreamType = uint32(streamType)
-		} else if elementaryStreamID >= 0xc0 && elementaryStreamID <= 0xdf {
-			dec.AudioStreamType = uint32(streamType)
-		}
-		if l <= index+1 {
-			break
-		}
-		elementaryStreamInfoLength := binary.BigEndian.Uint16(psm[index:])
-		index += 2
-		index += int(elementaryStreamInfoLength)
-		programStreamMapLen -= 4 + elementaryStreamInfoLength
-	}
-	return nil
-}
-
-func (dec *DecPSPackage) decPESPacket(pts *uint32, dts *uint32) error {
-	payload, err := dec.ReadPayload()
-
-	if len(payload) < 4 {
-		return errors.New("not enough data")
-	}
-	//data_alignment_indicator := (payload[0]&0b0001_0000)>>4 == 1
-	flag := payload[1]
-	ptsFlag := flag>>7 == 1
-	dtsFlag := (flag&0b0100_0000)>>6 == 1
-	pesHeaderDataLen := payload[2]
-	payload = payload[3:]
-	extraData := payload[:pesHeaderDataLen]
-	if ptsFlag && len(extraData) > 4 {
-		*pts = uint32(extraData[0]&0b0000_1110) << 29
-		*pts += uint32(extraData[1]) << 22
-		*pts += uint32(extraData[2]&0b1111_1110) << 14
-		*pts += uint32(extraData[3]) << 7
-		*pts += uint32(extraData[4]) >> 1
-		if dtsFlag && len(extraData) > 9 {
-			*dts = uint32(extraData[5]&0b0000_1110) << 29
-			*dts += uint32(extraData[6]) << 22
-			*dts += uint32(extraData[7]&0b1111_1110) << 14
-			*dts += uint32(extraData[8]) << 7
-			*dts += uint32(extraData[9]) >> 1
-		}
-	}
-	dec.Payload = payload[pesHeaderDataLen:]
-	return err
-}
--- a/utils/rtp_sort.go
+++ b/utils/rtp_sort.go
@@ -4,7 +4,7 @@ import (
 	"container/heap"
 	"errors"

-	"github.com/pion/rtp/v2"
+	"github.com/pion/rtp"
 )

 const MaxRtpDiff = 65000 //相邻两个包之间的最大差值
Author	SHA1	Message	Date
langhuihui	d2cc62ff9e	修改一个变量名拼写错误	2023-07-07 14:50:09 +08:00
dexter	2e8aa47bc5	Merge pull request #99 from kingecg/v4 修复：按需拉流支持回放流	2023-07-04 18:42:09 +08:00
程广	585d5949d3	fix query record	2023-07-04 18:17:11 +08:00
kingecg	0285236cce	修复：按需拉流支持回放流	2023-06-30 22:31:51 +08:00
dexter	12895fa2cc	Merge pull request #98 from kingecg/patch-1 Update channel.go to support device not use tcp	2023-06-30 21:24:07 +08:00
kingecg	c66303e7e8	Update channel.go to support device not use tcp when media set to tcp and device not support, fallback to udp	2023-06-30 19:13:47 +08:00
ogofly	5435c2ef1c	Merge pull request #95 from rufftio/v4 设备状态变更处理	2023-06-20 14:38:59 +08:00
ogofly	d8c6ad30dd	合并三处定时任务到一个协程	2023-06-19 15:50:31 +08:00
ogofly	86fa7cc7e6	Merge branch 'Monibuca:v4' into v4	2023-06-19 14:33:50 +08:00
liuyancong	692ec21877	定时删除注册超时设备，定时设置心跳超时设备为离线，规范设备和通道状态为枚举量	2023-06-19 14:33:18 +08:00
liuyancong	71f2b36d2d	update: 默认注册有效期配置为 3600s	2023-06-19 13:20:02 +08:00
dexter	b068bd9e5b	Merge pull request #94 from rufftio/v4 add：处理 Register 消息的注销情况，将设备从列表中清除	2023-06-19 12:53:10 +08:00
liuyancong	78ac89e7af	add：处理 Register 消息的注销情况，将设备从列表中清除	2023-06-19 11:56:17 +08:00
dexter	1cec5301c3	Merge pull request #92 from rufftio/v4 使用 engine 的 stream pasue 和 resume 替代 neverTimeout	2023-06-07 11:09:54 +08:00
ogofly	319f7fc636	Merge branch 'Monibuca:v4' into v4	2023-06-07 11:08:22 +08:00
liuyancong	7a75810203	使用 engine 的 stream pasue 和 resume 替代 neverTimeout	2023-06-07 10:46:42 +08:00
dexter	bbc7b09835	Merge pull request #91 from rufftio/v4 fix: ptz api 参数违规返回问题	2023-06-06 19:03:00 +08:00
liuyancong	1dbdff1fe5	add: 录像播放的暂停、恢复、快进、跳转到制定时间接口	2023-06-06 18:54:27 +08:00
ogofly	952c8f0ff8	Merge branch 'Monibuca:v4' into v4	2023-06-05 22:55:29 +08:00
liuyancong	730f3014f8	fix: ptz api 参数违规返回问题	2023-06-05 19:02:14 +08:00
dexter	682aec656b	Merge pull request #90 from rufftio/v4 ptz 控制接口，采用更易理解和使用的参数	2023-06-05 18:40:32 +08:00
ogofly	fbd8683f5b	Merge branch 'Monibuca:v4' into v4	2023-06-05 18:18:50 +08:00
liuyancong	b15e4ee89c	add: ptz 控制接口，采用更易理解和使用的参数	2023-06-05 18:17:46 +08:00
langhuihui	3c7b3a042d	fix: list接口为空时返回[] 而不是null	2023-05-25 14:12:57 +08:00
dexter	858df1377e	Merge pull request #88 from ogofly/v4 录像查询重构为在当前查询的http响应中返回	2023-05-24 11:36:14 +08:00
liuyancong	60021d3cd9	录像查询重构为在当前查询的http响应中返回	2023-05-24 11:30:50 +08:00
langhuihui	d8061cd7c3	channel结构体反转	2023-05-23 20:56:24 +08:00
langhuihui	ed397063c4	chroe: update log format	2023-05-21 22:12:09 +08:00
langhuihui	5853120d30	update readme	2023-05-17 09:07:12 +08:00
langhuihui	4c47df0695	fix: update dep ps version to 4.0.1	2023-05-16 23:11:26 +08:00
langhuihui	37fd121d11	feat: change to use ps plugin	2023-05-14 11:12:25 +08:00
langhuihui	05fd8c38f7	feat: add a new way to config port	2023-05-04 09:57:20 +08:00
dexter	2d85e46a8b	ChannelEx	2023-04-09 11:08:23 +08:00
charlestamz	4a90d7bf91	修复Recover导致断流的问题	2023-04-05 22:25:53 +08:00
dexter	a020f3ea81	适配引擎修改	2023-04-04 20:20:27 +08:00
dexter	c68862160f	sip监听网卡地址可配，dump 可同时多路，修复 tcp 方式，媒体默认使用 tcp	2023-03-28 19:42:37 +08:00
dexter	9db29a9280	rtp引用采用v1版	2023-03-13 13:12:17 +08:00
charlestamz	5d5dae8939	增加了是否排序的功能	2023-03-09 05:57:40 +08:00
charlestamz	a0f16d1184	修复id小于9位时报错增加一些更易排错的信息	2023-03-04 23:03:03 +08:00
charlestamz	53ddc0cb63	修复catalog报文parentid的处理	2023-03-01 17:15:04 +08:00
charlestamz	d156974f73	国标向上级联的一些改动	2023-03-01 17:06:34 +08:00
dexter	f3046bcde3	将ps发布逻辑移入引擎中	2023-02-28 20:13:19 +08:00
charlestamz	9c970ad282	注释暂不处理级联目录信息	2023-02-27 14:25:41 +08:00
charlestamz	c4de92e9f6	修复MediaPortMin无法使用的问题	2023-02-22 23:44:44 +08:00
charlestamz	cf5a803971	优化Invite，代码优化	2023-02-22 23:13:08 +08:00
dexter	f487be5fdb	invite恢复成channelID	2023-02-21 21:28:23 +08:00
dexter	bd70d24a16	Merge pull request #81 from WXC9102/v4 修复对平台等非摄像头通道进行invite的问题	2023-02-21 14:02:02 +08:00
weixuechao	708cd042df	增加配置项inviteids,修复对平台等非摄像头通道进行invite的问题	2023-02-21 13:42:32 +08:00
charlestamz	a69b739e5e	修复Invite报文	2023-02-20 16:41:55 +08:00
dexter	4e96efa9ff	fix: 丢包逻辑判断第一个包会丢掉	2023-02-20 16:20:28 +08:00
dexter	3a704b68cc	采用引擎处理ps	2023-02-20 00:20:20 +08:00