update

2025-09-26 23:05:55 +08:00 · 2024-03-22 15:43:09 +08:00
parent b2bce81e55
commit 0efbe886c8
29 changed files with 2179 additions and 172 deletions
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,7 @@ go 1.22
 require github.com/quic-go/quic-go v0.42.0

 require (
+	github.com/bluenviron/mediacommon v1.9.2
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/logrusorgru/aurora/v4 v4.0.0
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+github.com/bluenviron/mediacommon v1.9.2 h1:EHcvoC5YMXRcFE010bTNf07ZiSlB/e/AdZyG7GsEYN0=
+github.com/bluenviron/mediacommon v1.9.2/go.mod h1:lt8V+wMyPw8C69HAqDWV5tsAwzN9u2Z+ca8B6C//+n0=
 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=
--- a/pkg/avframe.go
+++ b/pkg/avframe.go
@@ -1,32 +1,175 @@
 package pkg

+import (
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/bluenviron/mediacommon/pkg/codecs/av1"
+	"m7s.live/m7s/v5/pkg/codec"
+	"m7s.live/m7s/v5/pkg/util"
+)
+
+type AVFrame struct {
+	DataFrame
+}
+type DataFrame struct {
+	DeltaTime   uint32        // 相对上一帧时间戳，毫秒
+	WriteTime   time.Time     // 写入时间,可用于比较两个帧的先后
+	Timestamp   time.Duration // 绝对时间戳
+	Sequence    uint32        // 在一个Track中的序号
+	BytesIn     int           // 输入字节数用于计算BPS
+	CanRead     bool          `json:"-" yaml:"-"` // 是否可读取
+	readerCount atomic.Int32  `json:"-" yaml:"-"` // 读取者数量
+	Raw         any           `json:"-" yaml:"-"` // 裸格式
+	Wrap        []IAVFrame    `json:"-" yaml:"-"` // 封装格式
+	sync.Cond   `json:"-" yaml:"-"`
+}
+
+func NewDataFrame[T any]() *DataFrame {
+	return &DataFrame{}
+}
+func (df *DataFrame) IsWriting() bool {
+	return !df.CanRead
+}
+
+func (df *DataFrame) IsDiscarded() bool {
+	return df.L == nil
+}
+
+func (df *DataFrame) Discard() int32 {
+	df.L = nil //标记为废弃
+	return df.readerCount.Load()
+}
+
+func (df *DataFrame) SetSequence(sequence uint32) {
+	df.Sequence = sequence
+}
+
+func (df *DataFrame) GetSequence() uint32 {
+	return df.Sequence
+}
+
+func (df *DataFrame) ReaderEnter() int32 {
+	return df.readerCount.Add(1)
+}
+
+func (df *DataFrame) ReaderCount() int32 {
+	return df.readerCount.Load()
+}
+
+func (df *DataFrame) ReaderLeave() int32 {
+	return df.readerCount.Add(-1)
+}
+
+func (df *DataFrame) StartWrite() bool {
+	if df.readerCount.Load() > 0 {
+		df.Discard() //标记为废弃
+		return false
+	} else {
+		df.CanRead = false //标记为正在写入
+		return true
+	}
+}
+
+func (df *DataFrame) Ready() {
+	df.WriteTime = time.Now()
+	df.CanRead = true //标记为可读取
+	df.Broadcast()
+}
+
+func (df *DataFrame) Init() {
+	df.L = EmptyLocker
+}
+
+func (df *DataFrame) Reset() {
+	df.BytesIn = 0
+	df.DeltaTime = 0
+}
+
 type CodecCtx struct {
 }
-type IRaw interface {
-}
-type IVideoData interface {
-	ToRaw(*CodecCtx) IRaw
-	FromRaw(*CodecCtx, IRaw)
+
+func Update(ICodecCtx) {
 }

-type IAudioData interface {
-	ToRaw(*CodecCtx) IRaw
-	FromRaw(*CodecCtx, IRaw)
+type VideoCodecCtx struct {
+	CodecCtx
+	NalulenSize  int
+	SPSInfo      codec.SPSInfo
+	SequenceData net.Buffers
 }

-type IData interface {
+type AudioCodecCtx struct {
+	CodecCtx
 }

-type H264Nalu struct {
+type ICodecCtx interface {
+}
+type IDataFrame interface {
+}
+type IAVFrame interface {
+	DecodeConfig(*AVTrack) error
+	ToRaw(*AVTrack) (any, error)
+	FromRaw(*AVTrack, any) error
 }

-func (nalu *H264Nalu) ToRaw(ctx *CodecCtx) IRaw {
-	return nalu
+type Nalu [][]byte
+
+type Nalus struct {
+	PTS   time.Duration
+	DTS   time.Duration
+	Nalus []Nalu
 }

-func (nalu *H264Nalu) FromRaw(ctx *CodecCtx, raw IRaw) {
-	*nalu = *raw.(*H264Nalu)
+func (nalus *Nalus) Append(bytes ...[]byte) {
+	nalus.Nalus = append(nalus.Nalus, Nalu(bytes))
 }

-type H265Nalu struct {
+func (nalus *Nalus) ParseAVCC(reader *util.Buffers, naluSizeLen int) error {
+	for reader.Length > 0 {
+		l, err := reader.ReadBE(naluSizeLen)
+		if err != nil {
+			return err
+		}
+		nalu, err := reader.ReadBytes(int(l))
+		if err != nil {
+			return err
+		}
+		nalus.Append(nalu)
+	}
+	return nil
+}
+
+type OBUs struct {
+	PTS  time.Duration
+	OBUs []net.Buffers
+}
+
+func (obus *OBUs) Append(bytes ...[]byte) {
+	obus.OBUs = append(obus.OBUs, bytes)
+}
+
+func (obus *OBUs) ParseAVCC(reader *util.Buffers) error {
+	var obuHeader av1.OBUHeader
+	for reader.Length > 0 {
+		offset := reader.Offset
+		b, _ := reader.ReadByte()
+		obuHeader.Unmarshal([]byte{b})
+		// if log.Trace {
+		// 	vt.Trace("obu", zap.Any("type", obuHeader.Type), zap.Bool("iframe", vt.Value.IFrame))
+		// }
+		obuSize, _, _ := reader.LEB128Unmarshal()
+		end := reader.Offset
+		size := end - offset + int(obuSize)
+		reader = &util.Buffers{Buffers: reader.Buffers}
+		reader.Skip(offset)
+		obu, err := reader.ReadBytes(size)
+		if err != nil {
+			return err
+		}
+		obus.Append(obu)
+	}
+	return nil
 }
--- a/pkg/codec/video.go
+++ b/pkg/codec/video.go
@@ -0,0 +1,59 @@
+package codec
+
+type SPSInfo struct {
+	ProfileIdc uint
+	LevelIdc   uint
+
+	MbWidth  uint
+	MbHeight uint
+
+	CropLeft   uint
+	CropRight  uint
+	CropTop    uint
+	CropBottom uint
+
+	Width  uint
+	Height uint
+}
+
+
+
+type AudioCodecID byte
+type VideoCodecID byte
+
+const (
+	ADTS_HEADER_SIZE              = 7
+	CodecID_AAC      AudioCodecID = 0xA
+	CodecID_PCMA     AudioCodecID = 7
+	CodecID_PCMU     AudioCodecID = 8
+	CodecID_OPUS     AudioCodecID = 0xC
+	CodecID_H264     VideoCodecID = 7
+	CodecID_H265     VideoCodecID = 0xC
+	CodecID_AV1      VideoCodecID = 0xD
+)
+
+func (codecId AudioCodecID) String() string {
+	switch codecId {
+	case CodecID_AAC:
+		return "aac"
+	case CodecID_PCMA:
+		return "pcma"
+	case CodecID_PCMU:
+		return "pcmu"
+	case CodecID_OPUS:
+		return "opus"
+	}
+	return "unknow"
+}
+
+func (codecId VideoCodecID) String() string {
+	switch codecId {
+	case CodecID_H264:
+		return "h264"
+	case CodecID_H265:
+		return "h265"
+	case CodecID_AV1:
+		return "av1"
+	}
+	return "unknow"
+}
--- a/pkg/config/http.go
+++ b/pkg/config/http.go
@@ -1,14 +1,9 @@
 package config

 import (
-	"context"
 	"crypto/tls"
-	"log/slog"
 	"net/http"
 	"time"
-
-	"github.com/logrusorgru/aurora/v4"
-	"golang.org/x/sync/errgroup"
 )

 var _ HTTPConfig = (*HTTP)(nil)
@@ -26,11 +21,12 @@ type HTTP struct {
 	WriteTimeout  time.Duration `desc:"写入超时"`
 	IdleTimeout   time.Duration `desc:"空闲超时"`
 	mux           *http.ServeMux
+	server        *http.Server
+	serverTLS     *http.Server
 	middlewares   []Middleware
 }
 type HTTPConfig interface {
 	GetHTTPConfig() *HTTP
-	Listen(ctx context.Context) error
 	Handle(string, http.Handler)
 	Handler(*http.Request) (http.Handler, string)
 	AddMiddleware(Middleware)
@@ -64,66 +60,57 @@ func (config *HTTP) Handler(r *http.Request) (h http.Handler, pattern string) {
 	return config.mux.Handler(r)
 }

-// ListenAddrs Listen http and https
-func (config *HTTP) Listen(ctx context.Context) error {
-	if config.mux == nil {
-		return nil
+func (config *HTTP) StopListen() {
+	if config.server != nil {
+		config.server.Close()
 	}
-	var g errgroup.Group
-	if config.ListenAddrTLS != "" && (config == &Global.HTTP || config.ListenAddrTLS != Global.ListenAddrTLS) {
-		g.Go(func() error {
-			slog.Info("🌐 https listen at ", "addr", aurora.Blink(config.ListenAddrTLS))
-			cer, _ := tls.X509KeyPair(LocalCert, LocalKey)
-			var server = http.Server{
-				Addr:         config.ListenAddrTLS,
-				ReadTimeout:  config.ReadTimeout,
-				WriteTimeout: config.WriteTimeout,
-				IdleTimeout:  config.IdleTimeout,
-				Handler:      config.mux,
-				TLSConfig: &tls.Config{
-					Certificates: []tls.Certificate{cer},
-					CipherSuites: []uint16{
-						tls.TLS_AES_128_GCM_SHA256,
-						tls.TLS_CHACHA20_POLY1305_SHA256,
-						tls.TLS_AES_256_GCM_SHA384,
-						//tls.TLS_RSA_WITH_AES_128_CBC_SHA,
-						//tls.TLS_RSA_WITH_AES_256_CBC_SHA,
-						//tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
-						//tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
-						tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
-						tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
-						tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
-						tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
-						tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
-						tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
-						tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
-						tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
-						tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
-						tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
-						tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
-						tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
-					},
-				},
-			}
-			return server.ListenAndServeTLS(config.CertFile, config.KeyFile)
-		})
+	if config.serverTLS != nil {
+		config.serverTLS.Close()
 	}
-	if config.ListenAddr != "" && (config == &Global.HTTP || config.ListenAddr != Global.ListenAddr) {
-		g.Go(func() error {
-			slog.Info("🌐 http listen at ", "addr", aurora.Blink(config.ListenAddr))
-			var server = http.Server{
-				Addr:         config.ListenAddr,
-				ReadTimeout:  config.ReadTimeout,
-				WriteTimeout: config.WriteTimeout,
-				IdleTimeout:  config.IdleTimeout,
-				Handler:      config.mux,
-			}
-			return server.ListenAndServe()
-		})
-	}
-	g.Go(func() error {
-		<-ctx.Done()
-		return ctx.Err()
-	})
-	return g.Wait()
+}
+func (config *HTTP) ListenTLS() error {
+	cer, _ := tls.X509KeyPair(LocalCert, LocalKey)
+	config.serverTLS = &http.Server{
+		Addr:         config.ListenAddrTLS,
+		ReadTimeout:  config.ReadTimeout,
+		WriteTimeout: config.WriteTimeout,
+		IdleTimeout:  config.IdleTimeout,
+		Handler:      config.mux,
+		TLSConfig: &tls.Config{
+			Certificates: []tls.Certificate{cer},
+			CipherSuites: []uint16{
+				tls.TLS_AES_128_GCM_SHA256,
+				tls.TLS_CHACHA20_POLY1305_SHA256,
+				tls.TLS_AES_256_GCM_SHA384,
+				//tls.TLS_RSA_WITH_AES_128_CBC_SHA,
+				//tls.TLS_RSA_WITH_AES_256_CBC_SHA,
+				//tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
+				//tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
+				tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
+				tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
+				tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+				tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+				tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+				tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+				tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
+				tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+				tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
+				tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+				tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+				tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+			},
+		},
+	}
+	return config.serverTLS.ListenAndServeTLS(config.CertFile, config.KeyFile)
+}
+
+func (config *HTTP) Listen() error {
+	config.server = &http.Server{
+		Addr:         config.ListenAddr,
+		ReadTimeout:  config.ReadTimeout,
+		WriteTimeout: config.WriteTimeout,
+		IdleTimeout:  config.IdleTimeout,
+		Handler:      config.mux,
+	}
+	return config.server.ListenAndServe()
 }
--- a/pkg/config/tcp.go
+++ b/pkg/config/tcp.go
@@ -1,11 +1,9 @@
 package config

 import (
-	"context"
 	"crypto/tls"
 	_ "embed"
 	"net"
-	"runtime"
 	"time"
 )

@@ -15,12 +13,6 @@ var LocalCert []byte
 //go:embed local.monibuca.com.key
 var LocalKey []byte

-var _ TCPConfig = (*TCP)(nil)
-
-type TCPConfig interface {
-	ListenTCP(context.Context, TCPPlugin) error
-}
-
 type TCP struct {
 	ListenAddr    string `desc:"监听地址，格式为ip:port，ip 可省略默认监听所有网卡"`
 	ListenAddrTLS string `desc:"监听地址，格式为ip:port，ip 可省略默认监听所有网卡"`
@@ -28,14 +20,15 @@ type TCP struct {
 	KeyFile       string `desc:"私钥文件"`
 	ListenNum     int    `desc:"同时并行监听数量，0为CPU核心数量"` //同时并行监听数量，0为CPU核心数量
 	NoDelay       bool   `desc:"是否禁用Nagle算法"`        //是否禁用Nagle算法
+	KeepAlive     bool   `desc:"是否启用KeepAlive"`      //是否启用KeepAlive
 }

-func (tcp *TCP) listen(l net.Listener, handler func(net.Conn)) {
+func (tcp *TCP) Listen(l net.Listener, handler func(*net.TCPConn)) {
 	var tempDelay time.Duration
 	for {
 		conn, err := l.Accept()
 		if err != nil {
-			if ne, ok := err.(net.Error); ok && ne.Temporary() {
+			if ne, ok := err.(net.Error); ok && !ne.Timeout() {
 				if tempDelay == 0 {
 					tempDelay = 5 * time.Millisecond
 				} else {
@@ -61,52 +54,6 @@ func (tcp *TCP) listen(l net.Listener, handler func(net.Conn)) {
 			tcpConn.SetNoDelay(false)
 		}
 		tempDelay = 0
-		go handler(conn)
+		go handler(tcpConn)
 	}
 }
-func (tcp *TCP) ListenTCP(ctx context.Context, plugin TCPPlugin) error {
-	l, err := net.Listen("tcp", tcp.ListenAddr)
-	if err != nil {
-		// if Global.LogLang == "zh" {
-		// 	slog.Fatalf("%s: 监听失败: %v", tcp.ListenAddr, err)
-		// } else {
-		// 	slog.Fatalf("%s: Listen error: %v", tcp.ListenAddr, err)
-		// }
-		return err
-	}
-	count := tcp.ListenNum
-	if count == 0 {
-		count = runtime.NumCPU()
-	}
-	// slog.Infof("tcp listen %d at %s", count, tcp.ListenAddr)
-	for i := 0; i < count; i++ {
-		go tcp.listen(l, plugin.ServeTCP)
-	}
-	if tcp.ListenAddrTLS != "" {
-		keyPair, _ := tls.X509KeyPair(LocalCert, LocalKey)
-		if tcp.CertFile != "" || tcp.KeyFile != "" {
-			keyPair, err = tls.LoadX509KeyPair(tcp.CertFile, tcp.KeyFile)
-		}
-		if err != nil {
-			// slog.Error("LoadX509KeyPair", "error", err)
-			return err
-		}
-		l, err = tls.Listen("tcp", tcp.ListenAddrTLS, &tls.Config{
-			Certificates: []tls.Certificate{keyPair},
-		})
-		if err != nil {
-			// if Global.LogLang == "zh" {
-			// 	slog.Fatalf("%s: 监听失败: %v", tcp.ListenAddrTLS, err)
-			// } else {
-			// 	slog.Fatalf("%s: Listen error: %v", tcp.ListenAddrTLS, err)
-			// }
-			return err
-		}
-		// slog.Infof("tls tcp listen %d at %s", count, tcp.ListenAddrTLS)
-		for i := 0; i < count; i++ {
-			go tcp.listen(l, plugin.ServeTCP)
-		}
-	}
-	<-ctx.Done()
-	return l.Close()
-}
--- a/pkg/config/types.go
+++ b/pkg/config/types.go
@@ -2,7 +2,6 @@ package config

 import (
 	"fmt"
-	"net/http"
 	"regexp"
 	"strings"
 	"sync"
@@ -177,7 +176,6 @@ type Engine struct {
 	Publish
 	Subscribe
 	HTTP
-	Console
 	EnableAVCC          bool          `default:"true" desc:"启用AVCC格式，rtmp、http-flv协议使用"`                 //启用AVCC格式，rtmp、http-flv协议使用
 	EnableRTP           bool          `default:"true" desc:"启用RTP格式，rtsp、webrtc等协议使用"`                   //启用RTP格式，rtsp、webrtc等协议使用
 	EnableSubEvent      bool          `default:"true" desc:"启用订阅事件,禁用可以提高性能"`                            //启用订阅事件,禁用可以提高性能
@@ -190,12 +188,3 @@ type Engine struct {
 	RTPReorderBufferLen int           `default:"50" desc:"RTP重排序缓冲区长度"`                                  //RTP重排序缓冲区长度
 	PoolSize            int           `desc:"内存池大小"`                                                     //内存池大小
 }
-
-var Global *Engine
-
-func (cfg *Engine) InitDefaultHttp() {
-	Global = cfg
-	cfg.HTTP.mux = http.NewServeMux()
-	cfg.HTTP.ListenAddrTLS = ":8443"
-	cfg.HTTP.ListenAddr = ":8080"
-}
--- a/pkg/error.go
+++ b/pkg/error.go
@@ -0,0 +1,9 @@
+package pkg
+
+import "errors"
+
+var (
+	ErrStreamExist = errors.New("stream exist")
+	ErrKick        = errors.New("kick")
+	ErrDiscard     = errors.New("discard")
+)
--- a/pkg/event-bus.go
+++ b/pkg/event-bus.go
@@ -2,9 +2,10 @@ package pkg

 // EventBus is a simple event bus
 type EventBus chan any
+
 // NewEventBus creates a new EventBus
-func NewEventBus() EventBus {
-	return make(chan any)
+func NewEventBus(size int) EventBus {
+	return make(chan any, size)
 }

 // // Publish publishes an event
--- a/pkg/reader.go
+++ b/pkg/reader.go
@@ -0,0 +1,141 @@
+package pkg
+
+import (
+	"log/slog"
+	"time"
+)
+
+const (
+	READSTATE_INIT = iota
+	READSTATE_FIRST
+	READSTATE_NORMAL
+)
+const (
+	SUBMODE_REAL = iota
+	SUBMODE_NOJUMP
+	SUBMODE_BUFFER
+)
+
+type AVRingReader struct {
+	RingReader
+	mode         int
+	Track        *AVTrack
+	State        byte
+	FirstSeq     uint32
+	StartTs      time.Duration
+	FirstTs      time.Duration
+	SkipTs       time.Duration //ms
+	beforeJump   time.Duration
+	LastCodecCtx ICodecCtx
+	startTime    time.Time
+	AbsTime      uint32
+	Delay        uint32
+	*slog.Logger
+}
+
+func (r *AVRingReader) DecConfChanged() bool {
+	return r.LastCodecCtx != r.Track.ICodecCtx
+}
+
+func NewAVRingReader(t *AVTrack) *AVRingReader {
+	// t.Debug("reader +1", zap.Int32("count", t.ReaderCount.Add(1)))
+	return &AVRingReader{
+		Track: t,
+	}
+}
+
+func (r *AVRingReader) readFrame() (err error) {
+	err = r.ReadNext()
+	if err != nil {
+		return err
+	}
+	// 超过一半的缓冲区大小，说明Reader太慢，需要丢帧
+	if r.mode != SUBMODE_BUFFER && r.State == READSTATE_NORMAL && r.Track.LastValue.Sequence-r.Value.Sequence > uint32(r.Track.Size/2) && r.Track.IDRing != nil && r.Track.IDRing.Value.Sequence > r.Value.Sequence {
+		// r.Warn("reader too slow", zap.Uint32("lastSeq", r.Track.LastValue.Sequence), zap.Uint32("seq", r.Value.Sequence))
+		return r.Read(r.Track.IDRing)
+	}
+	return
+}
+
+func (r *AVRingReader) ReadFrame(mode int) (err error) {
+	r.mode = mode
+	switch r.State {
+	case READSTATE_INIT:
+		// r.Info("start read", zap.Int("mode", mode))
+		startRing := r.Track.Ring
+		if r.Track.IDRing != nil {
+			startRing = r.Track.IDRing
+		} else {
+			// r.Warn("no IDRring")
+		}
+		switch mode {
+		case SUBMODE_REAL:
+			if r.Track.IDRing != nil {
+				r.State = READSTATE_FIRST
+			} else {
+				r.State = READSTATE_NORMAL
+			}
+		case SUBMODE_NOJUMP:
+			r.State = READSTATE_NORMAL
+		case SUBMODE_BUFFER:
+			if r.Track.HistoryRing != nil {
+				startRing = r.Track.HistoryRing
+			}
+			r.State = READSTATE_NORMAL
+		}
+		if err = r.StartRead(startRing); err != nil {
+			return
+		}
+		r.startTime = time.Now()
+		if r.FirstTs == 0 {
+			r.FirstTs = r.Value.Timestamp
+		}
+		r.SkipTs = r.FirstTs - r.StartTs
+		r.FirstSeq = r.Value.Sequence
+		// r.Info("first frame read", zap.Duration("firstTs", r.FirstTs), zap.Uint32("firstSeq", r.FirstSeq))
+	case READSTATE_FIRST:
+		if r.Track.IDRing.Value.Sequence != r.FirstSeq {
+			if err = r.Read(r.Track.IDRing); err != nil {
+				return
+			}
+			r.SkipTs = r.Value.Timestamp - r.beforeJump - r.StartTs - 10*time.Millisecond
+			// r.Info("jump", zap.Uint32("skipSeq", r.Track.IDRing.Value.Sequence-r.FirstSeq), zap.Duration("skipTs", r.SkipTs))
+			r.State = READSTATE_NORMAL
+		} else {
+			if err = r.readFrame(); err != nil {
+				return
+			}
+			r.beforeJump = r.Value.Timestamp - r.FirstTs
+			// 防止过快消费
+			if fast := r.beforeJump - time.Since(r.startTime); fast > 0 && fast < time.Second {
+				time.Sleep(fast)
+			}
+		}
+	case READSTATE_NORMAL:
+		if err = r.readFrame(); err != nil {
+			return
+		}
+	}
+	r.AbsTime = uint32((r.Value.Timestamp - r.SkipTs).Milliseconds())
+	if r.AbsTime == 0 {
+		r.AbsTime = 1
+	}
+	// r.Delay = uint32((r.Track.LastValue.Timestamp - r.Value.Timestamp).Milliseconds())
+	r.Delay = uint32(r.Track.LastValue.Sequence - r.Value.Sequence)
+	// fmt.Println(r.Track.Name, r.Delay)
+	// fmt.Println(r.Track.Name, r.Value.Sequence, r.Delay, r.AbsTime)
+	return
+}
+
+// func (r *AVRingReader) GetPTS32() uint32 {
+// 	return uint32((r.Value.Raw.PTS - r.SkipTs*90/time.Millisecond))
+// }
+
+// func (r *AVRingReader) GetDTS32() uint32 {
+// 	return uint32((r.Value.DTS - r.SkipTs*90/time.Millisecond))
+// }
+
+func (r *AVRingReader) ResetAbsTime() {
+	r.SkipTs = r.Value.Timestamp
+	r.AbsTime = 1
+}
--- a/pkg/ring-reader.go
+++ b/pkg/ring-reader.go
@@ -0,0 +1,64 @@
+package pkg
+
+import "m7s.live/m7s/v5/pkg/util"
+
+type RingReader struct {
+	*util.Ring[AVFrame]
+	Count int // 读取的帧数
+}
+
+func (r *RingReader) StartRead(ring *util.Ring[AVFrame]) (err error) {
+	r.Ring = ring
+	if r.Value.IsDiscarded() {
+		return ErrDiscard
+	}
+	if r.Value.IsWriting() {
+		// t := time.Now()
+		r.Value.Wait()
+		// log.Info("wait", time.Since(t))
+	}
+	r.Count++
+	r.Value.ReaderEnter()
+	return
+}
+
+func (r *RingReader) TryRead() (f *AVFrame, err error) {
+	if r.Count > 0 {
+		preValue := &r.Value
+		if preValue.IsDiscarded() {
+			preValue.ReaderLeave()
+			err = ErrDiscard
+			return
+		}
+		if r.Next().Value.IsWriting() {
+			return
+		}
+		defer preValue.ReaderLeave()
+		r.Ring = r.Next()
+	} else {
+		if r.Value.IsWriting() {
+			return
+		}
+	}
+	if r.Value.IsDiscarded() {
+		err = ErrDiscard
+		return
+	}
+	r.Count++
+	f = &r.Value
+	r.Value.ReaderEnter()
+	return
+}
+
+func (r *RingReader) ReadNext() (err error) {
+	return r.Read(r.Next())
+}
+
+func (r *RingReader) Read(ring *util.Ring[AVFrame]) (err error) {
+	preValue := &r.Value
+	defer preValue.ReaderLeave()
+	if preValue.IsDiscarded() {
+		return ErrDiscard
+	}
+	return r.StartRead(ring)
+}
--- a/pkg/ring-writer.go
+++ b/pkg/ring-writer.go
@@ -0,0 +1,116 @@
+package pkg
+
+import (
+	"sync/atomic"
+
+	"m7s.live/m7s/v5/pkg/util"
+)
+
+type emptyLocker struct{}
+
+func (emptyLocker) Lock()   {}
+func (emptyLocker) Unlock() {}
+
+var EmptyLocker emptyLocker
+
+// type IDataFrame interface {
+// 	Reset()              // 重置数据,复用内存
+// 	Ready()              // 标记为可读取
+// 	ReaderEnter() int32  // 读取者数量+1
+// 	ReaderLeave() int32  // 读取者数量-1
+// 	StartWrite() bool    // 开始写入
+// 	SetSequence(uint32)  // 设置序号
+// 	GetSequence() uint32 // 获取序号
+// 	ReaderCount() int32  // 读取者数量
+// 	Discard() int32      // 如果写入时还有读取者没有离开则废弃该帧，剥离RingBuffer，防止并发读写
+// 	IsDiscarded() bool   // 是否已废弃
+// 	IsWriting() bool     // 是否正在写入
+// 	Wait()               // 阻塞等待可读取
+// 	Broadcast()          // 广播可读取
+// }
+
+type RingWriter struct {
+	*util.Ring[AVFrame] `json:"-" yaml:"-"`
+	ReaderCount   atomic.Int32 `json:"-" yaml:"-"`
+	pool          *util.Ring[AVFrame]
+	poolSize      int
+	Size          int
+	LastValue     *AVFrame
+}
+
+func (rb *RingWriter) Init(n int) *RingWriter {
+	rb.Ring = util.NewRing[AVFrame](n)
+	rb.Size = n
+	rb.LastValue = &rb.Value
+	return rb
+}
+
+func (rb *RingWriter) Glow(size int) (newItem *util.Ring[AVFrame]) {
+	if size < rb.poolSize {
+		newItem = rb.pool.Unlink(size)
+		rb.poolSize -= size
+	} else if size == rb.poolSize {
+		newItem = rb.pool
+		rb.poolSize = 0
+		rb.pool = nil
+	} else {
+		newItem = util.NewRing[AVFrame](size - rb.poolSize).Link(rb.pool)
+		rb.poolSize = 0
+		rb.pool = nil
+	}
+	rb.Link(newItem)
+	rb.Size += size
+	return
+}
+
+func (rb *RingWriter) Recycle(r *util.Ring[AVFrame]) {
+	rb.poolSize++
+	r.Value.Reset()
+	if rb.pool == nil {
+		rb.pool = r
+	} else {
+		rb.pool.Link(r)
+	}
+}
+
+func (rb *RingWriter) Reduce(size int) {
+	r := rb.Unlink(size)
+	if size > 1 {
+		for p := r.Next(); p != r; {
+			next := p.Next() //先保存下一个节点
+			if p.Value.Discard() == 0 {
+				rb.Recycle(p.Prev().Unlink(1))
+			} else {
+				// fmt.Println("Reduce", p.Value.ReaderCount())
+			}
+			p = next
+		}
+	}
+	if r.Value.Discard() == 0 {
+		rb.Recycle(r)
+	}
+	rb.Size -= size
+	return
+}
+
+func (rb *RingWriter) Step() (normal bool) {
+	rb.LastValue.Broadcast() // 防止订阅者还在等待
+	rb.LastValue = &rb.Value
+	nextSeq := rb.LastValue.GetSequence() + 1
+	next := rb.Next()
+	if normal = next.Value.StartWrite(); normal {
+		next.Value.Reset()
+		rb.Ring = next
+	} else {
+		rb.Reduce(1)         //抛弃还有订阅者的节点
+		rb.Ring = rb.Glow(1) //补充一个新节点
+		rb.Value.StartWrite()
+	}
+	rb.Value.SetSequence(nextSeq)
+	rb.LastValue.Ready()
+	return
+}
+
+func (rb *RingWriter) GetReaderCount() int32 {
+	return rb.ReaderCount.Load()
+}
--- a/pkg/track.go
+++ b/pkg/track.go
@@ -0,0 +1,45 @@
+package pkg
+
+import (
+	"log/slog"
+	"reflect"
+	"slices"
+
+	"m7s.live/m7s/v5/pkg/util"
+)
+
+type Track struct {
+	*slog.Logger `json:"-" yaml:"-"`
+}
+
+type DataTrack struct {
+	Track
+}
+
+type IDRingList struct {
+	IDRList     []*util.Ring[AVFrame]
+	IDRing      *util.Ring[AVFrame]
+	HistoryRing *util.Ring[AVFrame]
+}
+
+func (p *IDRingList) AddIDR(IDRing *util.Ring[AVFrame]) {
+	p.IDRList = append(p.IDRList, IDRing)
+	p.IDRing = IDRing
+}
+
+func (p *IDRingList) ShiftIDR() {
+	p.IDRList = slices.Delete(p.IDRList, 0, 1)
+	p.HistoryRing = p.IDRList[0]
+}
+
+type AVTrack struct {
+	Codec string
+	Track
+	RingWriter
+	IDRingList `json:"-" yaml:"-"` //最近的关键帧位置，首屏渲染
+	ICodecCtx
+	SSRC        uint32
+	SampleRate  uint32
+	DataTypes   []reflect.Type `json:"-" yaml:"-"`
+	PayloadType byte
+}
--- a/pkg/util/buffer.go
+++ b/pkg/util/buffer.go
@@ -0,0 +1,302 @@
+package util
+
+import (
+	"encoding/binary"
+	"fmt"
+	"io"
+	"math"
+	"net"
+)
+
+type Integer interface {
+	~int | ~int16 | ~int32 | ~int64 | ~uint | ~uint16 | ~uint32 | ~uint64
+}
+
+func PutBE[T Integer](b []byte, num T) []byte {
+	for i, n := 0, len(b); i < n; i++ {
+		b[i] = byte(num >> ((n - i - 1) << 3))
+	}
+	return b
+}
+
+func ReadBE[T Integer](b []byte) (num T) {
+	num = 0
+	for i, n := 0, len(b); i < n; i++ {
+		num += T(b[i]) << ((n - i - 1) << 3)
+	}
+	return
+}
+
+func GetBE[T Integer](b []byte, num *T) T {
+	*num = 0
+	for i, n := 0, len(b); i < n; i++ {
+		*num += T(b[i]) << ((n - i - 1) << 3)
+	}
+	return *num
+}
+
+// Buffer 用于方便自动扩容的内存写入，已经读取
+type Buffer []byte
+
+// ReuseBuffer 重用buffer，内容可能会被覆盖，要尽早复制
+type ReuseBuffer struct {
+	Buffer
+}
+
+func (ReuseBuffer) Reuse() bool {
+	return true
+}
+
+// LimitBuffer 限制buffer的长度，不会改变原来的buffer，防止内存泄漏
+type LimitBuffer struct {
+	Buffer
+}
+
+func (b *LimitBuffer) ReadN(n int) (result LimitBuffer) {
+	result.Buffer = b.Buffer.ReadN(n)
+	return
+}
+
+func (b LimitBuffer) Clone() (result LimitBuffer) {
+	result.Buffer = b.Buffer.Clone()
+	return
+}
+
+func (b LimitBuffer) SubBuf(start int, length int) (result LimitBuffer) {
+	result.Buffer = b.Buffer.SubBuf(start, length)
+	return
+}
+
+func (b *LimitBuffer) Malloc(count int) (result LimitBuffer) {
+	l := b.Len()
+	newL := l + count
+	if c := b.Cap(); newL > c {
+		panic(fmt.Sprintf("LimitBuffer Malloc %d > %d", newL, c))
+	} else {
+		*b = b.SubBuf(0, newL)
+	}
+	return b.SubBuf(l, count)
+}
+
+func (b *LimitBuffer) Write(a []byte) (n int, err error) {
+	l := b.Len()
+	newL := l + len(a)
+	if c := b.Cap(); newL > c {
+		return 0, fmt.Errorf("LimitBuffer Write %d > %d", newL, c)
+		// panic(fmt.Sprintf("LimitBuffer Write %d > %d", newL, c))
+	} else {
+		b.Buffer = b.Buffer.SubBuf(0, newL)
+		copy(b.Buffer[l:], a)
+	}
+	return len(a), nil
+}
+
+// IBytes 用于区分传入的内存是否是复用内存，例如从网络中读取的数据，如果是复用内存，需要尽早复制
+type IBytes interface {
+	Len() int
+	Bytes() []byte
+	Reuse() bool
+}
+type IBuffer interface {
+	Len() int
+	Bytes() []byte
+	Reuse() bool
+	SubBuf(start int, length int) Buffer
+	Malloc(count int) Buffer
+	Reset()
+	WriteUint32(v uint32)
+	WriteUint24(v uint32)
+	WriteUint16(v uint16)
+	WriteFloat64(v float64)
+	WriteByte(v byte)
+	WriteString(a string)
+	Write(a []byte) (n int, err error)
+	ReadN(n int) Buffer
+	ReadFloat64() float64
+	ReadUint64() uint64
+	ReadUint32() uint32
+	ReadUint24() uint32
+	ReadUint16() uint16
+	ReadByte() byte
+	Read(buf []byte) (n int, err error)
+	Clone() Buffer
+	CanRead() bool
+	CanReadN(n int) bool
+	Cap() int
+}
+
+func (Buffer) Reuse() bool {
+	return false
+}
+
+func (b *Buffer) Read(buf []byte) (n int, err error) {
+	if !b.CanReadN(len(buf)) {
+		copy(buf, *b)
+		return b.Len(), io.EOF
+	}
+	ret := b.ReadN(len(buf))
+	copy(buf, ret)
+	return len(ret), err
+}
+
+func (b *Buffer) ReadN(n int) Buffer {
+	l := b.Len()
+	r := (*b)[:n]
+	*b = (*b)[n:l]
+	return r
+}
+func (b *Buffer) ReadFloat64() float64 {
+	return math.Float64frombits(b.ReadUint64())
+}
+func (b *Buffer) ReadUint64() uint64 {
+	return binary.BigEndian.Uint64(b.ReadN(8))
+}
+func (b *Buffer) ReadUint32() uint32 {
+	return binary.BigEndian.Uint32(b.ReadN(4))
+}
+func (b *Buffer) ReadUint24() uint32 {
+	return ReadBE[uint32](b.ReadN(3))
+}
+func (b *Buffer) ReadUint16() uint16 {
+	return binary.BigEndian.Uint16(b.ReadN(2))
+}
+func (b *Buffer) ReadByte() byte {
+	return b.ReadN(1)[0]
+}
+func (b *Buffer) WriteFloat64(v float64) {
+	PutBE(b.Malloc(8), math.Float64bits(v))
+}
+func (b *Buffer) WriteUint32(v uint32) {
+	binary.BigEndian.PutUint32(b.Malloc(4), v)
+}
+func (b *Buffer) WriteUint24(v uint32) {
+	PutBE(b.Malloc(3), v)
+}
+func (b *Buffer) WriteUint16(v uint16) {
+	binary.BigEndian.PutUint16(b.Malloc(2), v)
+}
+func (b *Buffer) WriteByte(v byte) {
+	b.Malloc(1)[0] = v
+}
+func (b *Buffer) WriteString(a string) {
+	*b = append(*b, a...)
+}
+func (b *Buffer) Write(a []byte) (n int, err error) {
+	l := b.Len()
+	newL := l + len(a)
+	if newL > b.Cap() {
+		*b = append(*b, a...)
+	} else {
+		*b = b.SubBuf(0, newL)
+		copy((*b)[l:], a)
+	}
+	return len(a), nil
+}
+
+func (b Buffer) Clone() (result Buffer) {
+	return append(result, b...)
+}
+
+func (b Buffer) Bytes() []byte {
+	return b
+}
+
+func (b Buffer) Len() int {
+	return len(b)
+}
+
+func (b Buffer) CanRead() bool {
+	return b.CanReadN(1)
+}
+
+func (b Buffer) CanReadN(n int) bool {
+	return b.Len() >= n
+}
+func (b Buffer) Cap() int {
+	return cap(b)
+}
+func (b Buffer) SubBuf(start int, length int) Buffer {
+	return b[start : start+length]
+}
+
+// Malloc 扩大原来的buffer的长度，返回新增的buffer
+func (b *Buffer) Malloc(count int) Buffer {
+	l := b.Len()
+	newL := l + count
+	if newL > b.Cap() {
+		n := make(Buffer, newL)
+		copy(n, *b)
+		*b = n
+	} else {
+		*b = b.SubBuf(0, newL)
+	}
+	return b.SubBuf(l, count)
+}
+
+// Relloc 改变 buffer 到指定大小
+func (b *Buffer) Relloc(count int) {
+	b.Reset()
+	b.Malloc(count)
+}
+
+func (b *Buffer) Reset() {
+	*b = b.SubBuf(0, 0)
+}
+
+func (b *Buffer) Split(n int) (result net.Buffers) {
+	origin := *b
+	for {
+		if b.CanReadN(n) {
+			result = append(result, b.ReadN(n))
+		} else {
+			result = append(result, *b)
+			*b = origin
+			return
+		}
+	}
+}
+
+// ConcatBuffers 合并碎片内存为一个完整内存
+func ConcatBuffers[T ~[]byte](input []T) (out []byte) {
+	for _, v := range input {
+		out = append(out, v...)
+	}
+	return
+}
+
+// SizeOfBuffers 计算Buffers的内容长度
+func SizeOfBuffers[T ~[]byte](buf []T) (size int) {
+	for _, b := range buf {
+		size += len(b)
+	}
+	return
+}
+
+// SplitBuffers 按照一定大小分割 Buffers
+func SplitBuffers[T ~[]byte](buf []T, size int) (result [][]T) {
+	buf = append([]T(nil), buf...)
+	for total := SizeOfBuffers(buf); total > 0; {
+		if total <= size {
+			return append(result, buf)
+		} else {
+			var before []T
+			sizeOfBefore := 0
+			for _, b := range buf {
+				need := size - sizeOfBefore
+				if lenOfB := len(b); lenOfB > need {
+					before = append(before, b[:need])
+					result = append(result, before)
+					total -= need
+					buf[0] = b[need:]
+					break
+				} else {
+					sizeOfBefore += lenOfB
+					before = append(before, b)
+					total -= lenOfB
+					buf = buf[1:]
+				}
+			}
+		}
+	}
+	return
+}
--- a/pkg/util/buffer_test.go
+++ b/pkg/util/buffer_test.go
@@ -0,0 +1,18 @@
+package util
+
+import (
+	"testing"
+)
+
+func TestBuffer(t *testing.T) {
+	t.Run(t.Name(), func(t *testing.T) {
+		var b Buffer
+		t.Log(b == nil)
+		b.Write([]byte{1, 2, 3})
+		if b == nil {
+			t.Fail()
+		} else {
+			t.Logf("b:% x", b)
+		}
+	})
+}
--- a/pkg/util/buffers.go
+++ b/pkg/util/buffers.go
@@ -0,0 +1,131 @@
+package util
+
+import (
+	"io"
+	"net"
+)
+
+type Buffers struct {
+	Offset  int
+	offset0 int
+	offset1 int
+	Length  int
+	net.Buffers
+}
+
+func NewBuffersFromBytes(b ...[]byte) *Buffers {
+	return NewBuffers(net.Buffers(b))
+}
+
+func NewBuffers(buffers net.Buffers) *Buffers {
+	ret := &Buffers{Buffers: buffers}
+	for _, level0 := range buffers {
+		ret.Length += len(level0)
+	}
+	return ret
+}
+
+func (buffers *Buffers) ReadFromBytes(b ...[]byte) {
+	buffers.Buffers = append(buffers.Buffers, b...)
+	for _, level0 := range b {
+		buffers.Length += len(level0)
+	}
+}
+
+func (buffers *Buffers) ReadByteTo(b ...*byte) (err error) {
+	for i := range b {
+		if buffers.Length == 0 {
+			return io.EOF
+		}
+		*b[i], err = buffers.ReadByte()
+		if err != nil {
+			return
+		}
+	}
+	return
+}
+
+func (buffers *Buffers) ReadByteMask(mask byte) (byte, error) {
+	b, err := buffers.ReadByte()
+	if err != nil {
+		return 0, err
+	}
+	return b & mask, nil
+}
+
+func (buffers *Buffers) ReadByte() (byte, error) {
+	if buffers.Length == 0 {
+		return 0, io.EOF
+	}
+	level0 := buffers.Buffers[buffers.offset0]
+	b := level0[buffers.offset1]
+	buffers.offset1++
+	buffers.Length--
+	buffers.Offset++
+	if buffers.offset1 >= len(level0) {
+		buffers.offset0++
+		buffers.offset1 = 0
+	}
+	return b, nil
+}
+
+func (buffers *Buffers) LEB128Unmarshal() (uint, int, error) {
+	v := uint(0)
+	n := 0
+
+	for i := 0; i < 8; i++ {
+		b, err := buffers.ReadByte()
+		if err != nil {
+			return 0, 0, err
+		}
+		v |= (uint(b&0b01111111) << (i * 7))
+		n++
+
+		if (b & 0b10000000) == 0 {
+			break
+		}
+	}
+
+	return v, n, nil
+}
+
+func (buffers *Buffers) Skip(n int) error {
+	if n > buffers.Length {
+		return io.EOF
+	}
+	buffers.Length -= n
+	buffers.Offset += n
+	for n > 0 {
+		level0 := buffers.Buffers[buffers.offset0]
+		level1 := level0[buffers.offset1:]
+		if n < len(level1) {
+			buffers.offset1 += n
+			break
+		}
+		n -= len(level1)
+		buffers.offset0++
+		buffers.offset1 = 0
+	}
+	return nil
+}
+
+func (buffers *Buffers) ReadBytes(n int) ([]byte, error) {
+	if n > buffers.Length {
+		return nil, io.EOF
+	}
+	b := make([]byte, n)
+	buffers.Read(b)
+	buffers.Length -= n
+	return b, nil
+}
+
+func (buffers *Buffers) ReadBE(n int) (num int, err error) {
+	for i := range n {
+		b, err := buffers.ReadByte()
+		if err != nil {
+			return -1, err
+		}
+		num += int(b) << ((n - i - 1) << 3)
+	}
+	return
+}
--- a/pkg/util/golomb_reader.go
+++ b/pkg/util/golomb_reader.go
@@ -0,0 +1,65 @@
+package util
+
+import (
+	"io"
+)
+
+type GolombBitReader struct {
+	R    io.Reader
+	buf  [1]byte
+	left byte
+}
+
+func (r *GolombBitReader) ReadBit() (res uint, err error) {
+	if r.left == 0 {
+		if _, err = r.R.Read(r.buf[:]); err != nil {
+			return
+		}
+		r.left = 8
+	}
+	r.left--
+	res = uint(r.buf[0]>>r.left) & 1
+	return
+}
+
+func (r *GolombBitReader) ReadBits(n int) (res uint, err error) {
+	for i := 0; i < n; i++ {
+		var bit uint
+		if bit, err = r.ReadBit(); err != nil {
+			return
+		}
+		res |= bit << uint(n-i-1)
+	}
+	return
+}
+
+func (r *GolombBitReader) ReadExponentialGolombCode() (res uint, err error) {
+	i := 0
+	for {
+		var bit uint
+		if bit, err = r.ReadBit(); err != nil {
+			return
+		}
+		if !(bit == 0 && i < 32) {
+			break
+		}
+		i++
+	}
+	if res, err = r.ReadBits(i); err != nil {
+		return
+	}
+	res += (1 << uint(i)) - 1
+	return
+}
+
+func (r *GolombBitReader) ReadSE() (res uint, err error) {
+	if res, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+	if res&0x01 != 0 {
+		res = (res + 1) / 2
+	} else {
+		res = -res / 2
+	}
+	return
+}
--- a/pkg/util/pool.go
+++ b/pkg/util/pool.go
@@ -0,0 +1,19 @@
+package util
+
+type Pool[T any] struct {
+	pool []*T
+}
+
+func (p *Pool[T]) Get() *T {
+	l := len(p.pool)
+	if l == 0 {
+		return new(T)
+	}
+	t := p.pool[l-1]
+	p.pool = p.pool[:l-1]
+	return t
+}
+
+func (p *Pool[T]) Put(t *T) {
+	p.pool = append(p.pool, t)
+}
--- a/pkg/util/promise.go
+++ b/pkg/util/promise.go
@@ -0,0 +1,15 @@
+package util
+
+import "context"
+
+type Promise[T any] struct {
+	context.Context
+	context.CancelCauseFunc
+	Value T
+}
+
+func NewPromise[T any](v T) *Promise[T] {
+	p := &Promise[T]{Value: v}
+	p.Context, p.CancelCauseFunc = context.WithCancelCause(context.Background())
+	return p
+}
--- a/pkg/util/ring.go
+++ b/pkg/util/ring.go
@@ -0,0 +1,136 @@
+package util
+
+// A Ring is an element of a circular list, or ring.
+// Rings do not have a beginning or end; a pointer to any ring element
+// serves as reference to the entire ring. Empty rings are represented
+// as nil Ring pointers. The zero value for a Ring is a one-element
+// ring with a nil Value.
+//
+type Ring[T any] struct {
+	next, prev *Ring[T]
+	Value      T // for use by client; untouched by this library
+}
+
+func (r *Ring[T]) init() *Ring[T] {
+	r.next = r
+	r.prev = r
+	return r
+}
+
+// Next returns the next ring element. r must not be empty.
+func (r *Ring[T]) Next() *Ring[T] {
+	if r.next == nil {
+		return r.init()
+	}
+	return r.next
+}
+
+// Prev returns the previous ring element. r must not be empty.
+func (r *Ring[T]) Prev() *Ring[T] {
+	if r.next == nil {
+		return r.init()
+	}
+	return r.prev
+}
+
+// Move moves n % r.Len() elements backward (n < 0) or forward (n >= 0)
+// in the ring and returns that ring element. r must not be empty.
+//
+func (r *Ring[T]) Move(n int) *Ring[T] {
+	if r.next == nil {
+		return r.init()
+	}
+	switch {
+	case n < 0:
+		for ; n < 0; n++ {
+			r = r.prev
+		}
+	case n > 0:
+		for ; n > 0; n-- {
+			r = r.next
+		}
+	}
+	return r
+}
+
+// New creates a ring of n elements.
+func NewRing[T any](n int) *Ring[T] {
+	if n <= 0 {
+		return nil
+	}
+	r := new(Ring[T])
+	p := r
+	for i := 1; i < n; i++ {
+		p.next = &Ring[T]{prev: p}
+		p = p.next
+	}
+	p.next = r
+	r.prev = p
+	return r
+}
+
+// Link connects ring r with ring s such that r.Next()
+// becomes s and returns the original value for r.Next().
+// r must not be empty.
+//
+// If r and s point to the same ring, linking
+// them removes the elements between r and s from the ring.
+// The removed elements form a subring and the result is a
+// reference to that subring (if no elements were removed,
+// the result is still the original value for r.Next(),
+// and not nil).
+//
+// If r and s point to different rings, linking
+// them creates a single ring with the elements of s inserted
+// after r. The result points to the element following the
+// last element of s after insertion.
+//
+func (r *Ring[T]) Link(s *Ring[T]) *Ring[T] {
+	n := r.Next()
+	if s != nil {
+		p := s.Prev()
+		// Note: Cannot use multiple assignment because
+		// evaluation order of LHS is not specified.
+		r.next = s
+		s.prev = r
+		n.prev = p
+		p.next = n
+	}
+	return n
+}
+
+// Unlink removes n % r.Len() elements from the ring r, starting
+// at r.Next(). If n % r.Len() == 0, r remains unchanged.
+// The result is the removed subring. r must not be empty.
+//
+func (r *Ring[T]) Unlink(n int) *Ring[T] {
+	if n <= 0 {
+		return nil
+	}
+	return r.Link(r.Move(n + 1))
+}
+
+// Len computes the number of elements in ring r.
+// It executes in time proportional to the number of elements.
+//
+func (r *Ring[T]) Len() int {
+	n := 0
+	if r != nil {
+		n = 1
+		for p := r.Next(); p != r; p = p.next {
+			n++
+		}
+	}
+	return n
+}
+
+// Do calls function f on each element of the ring, in forward order.
+// The behavior of Do is undefined if f changes *r.
+func (r *Ring[T]) Do(f func(T)) {
+	if r != nil {
+		f(r.Value)
+		for p := r.Next(); p != r; p = p.next {
+			f(p.Value)
+		}
+	}
+}
--- a/plugin.go
+++ b/plugin.go
@@ -2,13 +2,18 @@ package m7s

 import (
 	"context"
+	"crypto/tls"
 	"log/slog"
+	"net"
 	"path/filepath"
 	"reflect"
 	"runtime"
 	"strings"
+	"sync"

+	"github.com/logrusorgru/aurora/v4"
 	"m7s.live/m7s/v5/pkg/config"
+	"m7s.live/m7s/v5/pkg/util"
 )

 type PluginMeta struct {
@@ -22,6 +27,14 @@ type IPlugin interface {
 	OnEvent(any)
 }

+type IPublishPlugin interface {
+	OnStopPublish(*Publisher, error)
+}
+
+type ITCPPlugin interface {
+	OnTCPConnect(*net.TCPConn)
+}
+
 var plugins []PluginMeta

 func InstallPlugin[C IPlugin](options ...any) error {
@@ -44,6 +57,13 @@ func InstallPlugin[C IPlugin](options ...any) error {
 	return nil
 }

+func sendPromiseToServer[T any](server *Server, value T) error {
+	promise := util.NewPromise(value)
+	server.EventBus <- promise
+	<-promise.Done()
+	return context.Cause(promise.Context)
+}
+
 type Plugin struct {
 	Disabled                bool
 	Meta                    *PluginMeta
@@ -62,13 +82,96 @@ type Plugin struct {
 	*slog.Logger
 	handler IPlugin
 	server  *Server
+	sync.RWMutex
 }

-func (p *Plugin) PostMessage(message any) {
-	p.server.EventBus <- message
+func (p *Plugin) OnInit() {
+	var err error
+	httpConf := p.Config.HTTP
+	defer httpConf.StopListen()
+	if httpConf.ListenAddrTLS != "" && (httpConf.ListenAddrTLS != p.server.Config.ListenAddrTLS) {
+		go func() {
+			p.Info("https listen at ", "addr", aurora.Blink(httpConf.ListenAddrTLS))
+			p.CancelCauseFunc(httpConf.ListenTLS())
+		}()
+	}
+	if httpConf.ListenAddr != "" && (httpConf.ListenAddr != p.server.Config.ListenAddr) {
+		go func() {
+			p.Info("http listen at ", "addr", aurora.Blink(httpConf.ListenAddr))
+			p.CancelCauseFunc(httpConf.Listen())
+		}()
+	}
+	tcpConf := p.Config.TCP
+	tcphandler, ok := p.handler.(ITCPPlugin)
+	if !ok {
+		tcphandler = p
+	}
+	count := p.Config.TCP.ListenNum
+	if count == 0 {
+		count = runtime.NumCPU()
+	}
+	if p.Config.TCP.ListenAddr != "" {
+		l, err := net.Listen("tcp", tcpConf.ListenAddr)
+		if err != nil {
+			p.Error("tcp listen error", "addr", tcpConf.ListenAddr, "error", err)
+			p.CancelCauseFunc(err)
+			return
+		}
+		defer l.Close()
+		p.Info("tcp listen at ", "addr", aurora.Blink(tcpConf.ListenAddr))
+		for i := 0; i < count; i++ {
+			go tcpConf.Listen(l, tcphandler.OnTCPConnect)
+		}
+	}
+	if tcpConf.ListenAddrTLS != "" {
+		keyPair, _ := tls.X509KeyPair(config.LocalCert, config.LocalKey)
+		if tcpConf.CertFile != "" || tcpConf.KeyFile != "" {
+			keyPair, err = tls.LoadX509KeyPair(tcpConf.CertFile, tcpConf.KeyFile)
+		}
+		if err != nil {
+			p.Error("LoadX509KeyPair", "error", err)
+			p.CancelCauseFunc(err)
+			return
+		}
+		l, err := tls.Listen("tcp", tcpConf.ListenAddrTLS, &tls.Config{
+			Certificates: []tls.Certificate{keyPair},
+		})
+		if err != nil {
+			p.Error("tls tcp listen error", "addr", tcpConf.ListenAddrTLS, "error", err)
+			p.CancelCauseFunc(err)
+			return
+		}
+		defer l.Close()
+		p.Info("tls tcp listen at ", "addr", aurora.Blink(tcpConf.ListenAddrTLS))
+		for i := 0; i < count; i++ {
+			go tcpConf.Listen(l, tcphandler.OnTCPConnect)
+		}
+	}
+	select {
+	case <-p.Done():
+		return
+	}
+}
+
+func (p *Plugin) OnEvent(event any) {
+
+}
+
+func (p *Plugin) OnTCPConnect(conn *net.TCPConn) {
+	p.handler.OnEvent(conn)
 }

 func (p *Plugin) Publish(streamPath string) (publisher *Publisher, err error) {
-	publisher = &Publisher{Plugin: p, Config: p.Config.Publish, Logger: p.With("streamPath", streamPath)}
+	publisher = &Publisher{Publish: p.Config.Publish}
+	publisher.Init(p, streamPath)
+	publisher.Subscribers = make(map[*Subscriber]struct{})
+	err = sendPromiseToServer(p.server, publisher)
+	return
+}
+
+func (p *Plugin) Subscribe(streamPath string) (subscriber *Subscriber, err error) {
+	subscriber = &Subscriber{Subscribe: p.Config.Subscribe}
+	subscriber.Init(p, streamPath)
+	err = sendPromiseToServer(p.server, subscriber)
 	return
 }
--- a/plugin/demo/index.go
+++ b/plugin/demo/index.go
@@ -1,8 +1,10 @@
 package demo

 import (
+	"net"
+
 	"m7s.live/m7s/v5"
-	. "m7s.live/m7s/v5/pkg"
+	rtmp "m7s.live/m7s/v5/plugin/rtmp/pkg"
 )

 type DemoPlugin struct {
@@ -12,13 +14,16 @@ type DemoPlugin struct {
 func (p *DemoPlugin) OnInit() {
 	puber, err := p.Publish("live/demo")
 	if err != nil {
-		panic(err)
+		return
 	}
-	puber.WriteVideo(&H264Nalu{})
+	puber.WriteVideo(&rtmp.RTMPVideo{
+		Timestamp: 0,
+		Buffers:   net.Buffers{[]byte{0x17, 0x00, 0x67, 0x42, 0x00, 0x0a, 0x8f, 0x14, 0x01, 0x00, 0x00, 0x03, 0x00, 0x80, 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x3c, 0x80}},
+	})
 }

-func (p *DemoPlugin) OnEvent(event any) {
-	// ...
+func (p *DemoPlugin) OnStopPublish(puber *m7s.Publisher, err error) {
+
 }

 var _ = m7s.InstallPlugin[*DemoPlugin]()
--- a/plugin/rtmp/index.go
+++ b/plugin/rtmp/index.go
@@ -1 +1,21 @@
-package rtmp
+package rtmp
+
+import "m7s.live/m7s/v5"
+
+type RTMPPlugin struct {
+	m7s.Plugin
+}
+
+func (p *RTMPPlugin) OnInit() {
+
+}
+
+func (p *RTMPPlugin) OnStopPublish(puber *m7s.Publisher, err error) {
+
+}
+
+func (p *RTMPPlugin) OnEvent(event any) {
+	// ...
+}
+
+var _ = m7s.InstallPlugin[*RTMPPlugin]()
--- a/plugin/rtmp/pkg/codec.go
+++ b/plugin/rtmp/pkg/codec.go
@@ -0,0 +1,324 @@
+package pkg
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+
+	"m7s.live/m7s/v5/pkg/codec"
+	"m7s.live/m7s/v5/pkg/util"
+)
+
+var FourCC_H265 = [4]byte{'H', '2', '6', '5'}
+var FourCC_AV1 = [4]byte{'a', 'v', '0', '1'}
+
+type AVCDecoderConfigurationRecord struct {
+	ConfigurationVersion       byte // 8 bits Version
+	AVCProfileIndication       byte // 8 bits
+	ProfileCompatibility       byte // 8 bits
+	AVCLevelIndication         byte // 8 bits
+	Reserved1                  byte // 6 bits
+	LengthSizeMinusOne         byte // 2 bits 非常重要,每个NALU包前面都(lengthSizeMinusOne & 3)+1个字节的NAL包长度描述
+	Reserved2                  byte // 3 bits
+	NumOfSequenceParameterSets byte // 5 bits SPS 的个数,计算方法是 numOfSequenceParameterSets & 0x1F
+	NumOfPictureParameterSets  byte // 8 bits PPS 的个数
+
+	SequenceParameterSetLength  uint16 // 16 byte SPS Length
+	SequenceParameterSetNALUnit []byte // n byte  SPS
+	PictureParameterSetLength   uint16 // 16 byte PPS Length
+	PictureParameterSetNALUnit  []byte // n byte  PPS
+}
+
+func (p *AVCDecoderConfigurationRecord) Marshal(b []byte) (n int) {
+	b[0] = 1
+	b[1] = p.AVCProfileIndication
+	b[2] = p.ProfileCompatibility
+	b[3] = p.AVCLevelIndication
+	b[4] = p.LengthSizeMinusOne | 0xfc
+	b[5] = uint8(1) | 0xe0
+	n += 6
+
+	binary.BigEndian.PutUint16(b[n:], p.SequenceParameterSetLength)
+	n += 2
+	copy(b[n:], p.SequenceParameterSetNALUnit)
+	n += len(p.SequenceParameterSetNALUnit)
+	b[n] = uint8(1)
+	n++
+	binary.BigEndian.PutUint16(b[n:], p.PictureParameterSetLength)
+	n += 2
+	copy(b[n:], p.PictureParameterSetNALUnit)
+	n += len(p.PictureParameterSetNALUnit)
+
+	return
+}
+
+var ErrDecconfInvalid = errors.New("decode error")
+
+func (p *AVCDecoderConfigurationRecord) Unmarshal(b *util.Buffers) (err error) {
+	if b.Length < 7 {
+		err = errors.New("not enough len")
+		return
+	}
+	b.ReadByteTo(&p.ConfigurationVersion, &p.AVCProfileIndication, &p.ProfileCompatibility, &p.AVCLevelIndication, &p.LengthSizeMinusOne)
+	p.LengthSizeMinusOne = p.LengthSizeMinusOne & 0x03
+	p.NumOfSequenceParameterSets, err = b.ReadByteMask(0x1f)
+	if err != nil {
+		return
+	}
+	b.Skip(6)
+	var sps, pps [][]byte
+	for range p.NumOfSequenceParameterSets {
+		spslen, err1 := b.ReadBE(2)
+		if err1 != nil {
+			return err1
+		}
+		spsbytes, err2 := b.ReadBytes(spslen)
+		if err2 != nil {
+			return err2
+		}
+		sps = append(sps, spsbytes)
+	}
+	p.SequenceParameterSetLength = uint16(len(sps[0]))
+	p.SequenceParameterSetNALUnit = sps[0]
+	if b.Length < 1 {
+		err = ErrDecconfInvalid
+		return
+	}
+
+	ppscount, err1 := b.ReadByte()
+	if err1 != nil {
+		return err1
+	}
+	for range ppscount {
+		ppslen, err1 := b.ReadBE(2)
+		if err1 != nil {
+			return err1
+		}
+		ppsbytes, err2 := b.ReadBytes(ppslen)
+		if err2 != nil {
+			return err2
+		}
+		pps = append(pps, ppsbytes)
+	}
+	if ppscount >= 1 {
+		p.PictureParameterSetLength = uint16(len(pps[0]))
+		p.PictureParameterSetNALUnit = pps[0]
+	} else {
+		err = ErrDecconfInvalid
+	}
+	return
+}
+
+func ParseSPS(data []byte) (self codec.SPSInfo, err error) {
+	r := &util.GolombBitReader{R: bytes.NewReader(data)}
+
+	if _, err = r.ReadBits(8); err != nil {
+		return
+	}
+
+	if self.ProfileIdc, err = r.ReadBits(8); err != nil {
+		return
+	}
+
+	// constraint_set0_flag-constraint_set6_flag,reserved_zero_2bits
+	if _, err = r.ReadBits(8); err != nil {
+		return
+	}
+
+	// level_idc
+	if self.LevelIdc, err = r.ReadBits(8); err != nil {
+		return
+	}
+
+	// seq_parameter_set_id
+	if _, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+
+	if self.ProfileIdc == 100 || self.ProfileIdc == 110 ||
+		self.ProfileIdc == 122 || self.ProfileIdc == 244 ||
+		self.ProfileIdc == 44 || self.ProfileIdc == 83 ||
+		self.ProfileIdc == 86 || self.ProfileIdc == 118 {
+
+		var chroma_format_idc uint
+		if chroma_format_idc, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+
+		if chroma_format_idc == 3 {
+			// residual_colour_transform_flag
+			if _, err = r.ReadBit(); err != nil {
+				return
+			}
+		}
+
+		// bit_depth_luma_minus8
+		if _, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		// bit_depth_chroma_minus8
+		if _, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		// qpprime_y_zero_transform_bypass_flag
+		if _, err = r.ReadBit(); err != nil {
+			return
+		}
+
+		var seq_scaling_matrix_present_flag uint
+		if seq_scaling_matrix_present_flag, err = r.ReadBit(); err != nil {
+			return
+		}
+
+		if seq_scaling_matrix_present_flag != 0 {
+			for i := 0; i < 8; i++ {
+				var seq_scaling_list_present_flag uint
+				if seq_scaling_list_present_flag, err = r.ReadBit(); err != nil {
+					return
+				}
+				if seq_scaling_list_present_flag != 0 {
+					var sizeOfScalingList uint
+					if i < 6 {
+						sizeOfScalingList = 16
+					} else {
+						sizeOfScalingList = 64
+					}
+					lastScale := uint(8)
+					nextScale := uint(8)
+					for j := uint(0); j < sizeOfScalingList; j++ {
+						if nextScale != 0 {
+							var delta_scale uint
+							if delta_scale, err = r.ReadSE(); err != nil {
+								return
+							}
+							nextScale = (lastScale + delta_scale + 256) % 256
+						}
+						if nextScale != 0 {
+							lastScale = nextScale
+						}
+					}
+				}
+			}
+		}
+	}
+
+	// log2_max_frame_num_minus4
+	if _, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+
+	var pic_order_cnt_type uint
+	if pic_order_cnt_type, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+	if pic_order_cnt_type == 0 {
+		// log2_max_pic_order_cnt_lsb_minus4
+		if _, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+	} else if pic_order_cnt_type == 1 {
+		// delta_pic_order_always_zero_flag
+		if _, err = r.ReadBit(); err != nil {
+			return
+		}
+		// offset_for_non_ref_pic
+		if _, err = r.ReadSE(); err != nil {
+			return
+		}
+		// offset_for_top_to_bottom_field
+		if _, err = r.ReadSE(); err != nil {
+			return
+		}
+		var num_ref_frames_in_pic_order_cnt_cycle uint
+		if num_ref_frames_in_pic_order_cnt_cycle, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		for i := uint(0); i < num_ref_frames_in_pic_order_cnt_cycle; i++ {
+			if _, err = r.ReadSE(); err != nil {
+				return
+			}
+		}
+	}
+
+	// max_num_ref_frames
+	if _, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+
+	// gaps_in_frame_num_value_allowed_flag
+	if _, err = r.ReadBit(); err != nil {
+		return
+	}
+
+	if self.MbWidth, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+	self.MbWidth++
+
+	if self.MbHeight, err = r.ReadExponentialGolombCode(); err != nil {
+		return
+	}
+	self.MbHeight++
+
+	var frame_mbs_only_flag uint
+	if frame_mbs_only_flag, err = r.ReadBit(); err != nil {
+		return
+	}
+	if frame_mbs_only_flag == 0 {
+		// mb_adaptive_frame_field_flag
+		if _, err = r.ReadBit(); err != nil {
+			return
+		}
+	}
+
+	// direct_8x8_inference_flag
+	if _, err = r.ReadBit(); err != nil {
+		return
+	}
+
+	var frame_cropping_flag uint
+	if frame_cropping_flag, err = r.ReadBit(); err != nil {
+		return
+	}
+	if frame_cropping_flag != 0 {
+		if self.CropLeft, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		if self.CropRight, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		if self.CropTop, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+		if self.CropBottom, err = r.ReadExponentialGolombCode(); err != nil {
+			return
+		}
+	}
+
+	self.Width = (self.MbWidth * 16) - self.CropLeft*2 - self.CropRight*2
+	self.Height = ((2 - frame_mbs_only_flag) * self.MbHeight * 16) - self.CropTop*2 - self.CropBottom*2
+
+	return
+}
+
+// func ParseHevcSPS(data []byte) (self codec.SPSInfo, err error) {
+// 	var rawsps hevc.H265RawSPS
+// 	if err = rawsps.Decode(data); err == nil {
+// 		self.CropLeft, self.CropRight, self.CropTop, self.CropBottom = uint(rawsps.Conf_win_left_offset), uint(rawsps.Conf_win_right_offset), uint(rawsps.Conf_win_top_offset), uint(rawsps.Conf_win_bottom_offset)
+// 		self.Width = uint(rawsps.Pic_width_in_luma_samples)
+// 		self.Height = uint(rawsps.Pic_height_in_luma_samples)
+// 	}
+// 	return
+// }
+
+type H264Ctx struct {
+	codec.SPSInfo
+	NalulenSize int
+	SPS         []byte
+	PPS         []byte
+}
+
+type H265Ctx struct {
+	H264Ctx
+	VPS []byte
+}
--- a/plugin/rtmp/pkg/const.go
+++ b/plugin/rtmp/pkg/const.go
@@ -0,0 +1,10 @@
+package pkg
+
+const (
+	PacketTypeSequenceStart = iota
+	PacketTypeCodedFrames
+	PacketTypeSequenceEnd
+	PacketTypeCodedFramesX
+	PacketTypeMetadata
+	PacketTypeMPEG2TSSequenceStart
+)
--- a/plugin/rtmp/pkg/video.go
+++ b/plugin/rtmp/pkg/video.go
@@ -0,0 +1,184 @@
+package pkg
+
+import (
+	"net"
+	"time"
+
+	. "m7s.live/m7s/v5/pkg"
+	"m7s.live/m7s/v5/pkg/codec"
+	"m7s.live/m7s/v5/pkg/util"
+)
+
+type RTMPVideo struct {
+	Timestamp uint32
+	net.Buffers
+}
+
+func (avcc *RTMPVideo) DecodeConfig(track *AVTrack) error {
+	var reader util.Buffers
+	reader.Buffers = avcc.Buffers
+	b0, err := reader.ReadByte()
+	if err != nil {
+		return err
+	}
+	enhanced := b0&0b1000_0000 != 0 // https://veovera.github.io/enhanced-rtmp/docs/enhanced/enhanced-rtmp-v1.pdf
+	// frameType := b0 & 0b0111_0000 >> 4
+	packetType := b0 & 0b1111
+
+	parseSequence := func() (err error) {
+		switch track.Codec {
+		case "h264":
+			var ctx H264Ctx
+			var info AVCDecoderConfigurationRecord
+			if err = info.Unmarshal(&reader); err == nil {
+				ctx.SPSInfo, _ = ParseSPS(info.SequenceParameterSetNALUnit)
+				ctx.NalulenSize = int(info.LengthSizeMinusOne&3 + 1)
+				ctx.SPS = info.SequenceParameterSetNALUnit
+				ctx.PPS = info.PictureParameterSetNALUnit
+				track.ICodecCtx = &ctx
+			}
+		case "h265":
+			// var ctx H265Ctx
+		case "av1":
+		}
+		return
+	}
+	if enhanced {
+		var fourCC [4]byte
+		_, err = reader.Read(fourCC[:])
+		if err != nil {
+			return err
+		}
+		switch fourCC {
+		case FourCC_H265:
+			track.Codec = "h265"
+		case FourCC_AV1:
+			track.Codec = "av1"
+		}
+		switch packetType {
+		case PacketTypeSequenceStart:
+			if err = parseSequence(); err != nil {
+				return err
+			}
+			return nil
+		case PacketTypeCodedFrames:
+
+		case PacketTypeCodedFramesX:
+		}
+	} else {
+		b0, err = reader.ReadByte() //sequence frame flag
+		if err != nil {
+			return err
+		}
+		if codec.VideoCodecID(b0&0x0F) == codec.CodecID_H265 {
+			track.Codec = "h265"
+		} else {
+			track.Codec = "h264"
+		}
+		reader.ReadBE(3) // cts == 0
+		if err != nil {
+			return err
+		}
+		if b0 == 0 {
+			if err = parseSequence(); err != nil {
+				return err
+			}
+		} else {
+		}
+	}
+	return nil
+}
+
+func (avcc *RTMPVideo) parseH264(track *AVTrack, reader *util.Buffers, cts uint32) (any, error) {
+	var nalus Nalus
+	ctx := track.ICodecCtx.(*H264Ctx)
+	nalus.PTS = time.Duration(avcc.Timestamp+uint32(cts)) * 90
+	nalus.DTS = time.Duration(avcc.Timestamp) * 90
+	if err := nalus.ParseAVCC(reader, ctx.NalulenSize); err != nil {
+		return nalus, err
+	}
+	return nalus, nil
+}
+
+func (avcc *RTMPVideo) parseH265(track *AVTrack, reader *util.Buffers, cts uint32) (any, error) {
+	var nalus Nalus
+	ctx := track.ICodecCtx.(*H265Ctx)
+	nalus.PTS = time.Duration(avcc.Timestamp+uint32(cts)) * 90
+	nalus.DTS = time.Duration(avcc.Timestamp) * 90
+	if err := nalus.ParseAVCC(reader, ctx.NalulenSize); err != nil {
+		return nalus, err
+	}
+	return nalus, nil
+}
+
+func (avcc *RTMPVideo) parseAV1(track *AVTrack, reader *util.Buffers) (any, error) {
+	var obus OBUs
+	obus.PTS = time.Duration(avcc.Timestamp) * 90
+	if err := obus.ParseAVCC(reader); err != nil {
+		return obus, err
+	}
+	return obus, nil
+}
+
+func (avcc *RTMPVideo) ToRaw(track *AVTrack) (any, error) {
+	var reader util.Buffers
+	reader.Buffers = avcc.Buffers
+	b0, err := reader.ReadByte()
+	if err != nil {
+		return nil, err
+	}
+
+	enhanced := b0&0b1000_0000 != 0 // https://veovera.github.io/enhanced-rtmp/docs/enhanced/enhanced-rtmp-v1.pdf
+	// frameType := b0 & 0b0111_0000 >> 4
+	packetType := b0 & 0b1111
+
+	if enhanced {
+		err = reader.Skip(4) // fourcc
+		if err != nil {
+			return nil, err
+		}
+		switch packetType {
+		case PacketTypeSequenceStart:
+			if err = avcc.DecodeConfig(track); err != nil {
+				return nil, err
+			}
+			return nil, nil
+		case PacketTypeCodedFrames:
+			if track.Codec == "h265" {
+				cts, err := reader.ReadBE(3) //cts, only h265
+				if err != nil {
+					return nil, err
+				}
+				return avcc.parseH265(track, &reader, uint32(cts))
+			} else {
+				return avcc.parseAV1(track, &reader)
+			}
+		case PacketTypeCodedFramesX:
+		}
+	} else {
+		b0, err = reader.ReadByte() //sequence frame flag
+		if err != nil {
+			return nil, err
+		}
+		cts, err := reader.ReadBE(3)
+		if err != nil {
+			return nil, err
+		}
+		if b0 == 0 {
+			if err = avcc.DecodeConfig(track); err != nil {
+				return nil, err
+			}
+		} else {
+			if track.Codec == "h265" {
+				return avcc.parseH265(track, &reader, uint32(cts))
+			} else {
+				return avcc.parseH264(track, &reader, uint32(cts))
+			}
+		}
+	}
+	return nil, nil
+}
+
+func (avcc *RTMPVideo) FromRaw(track *AVTrack, raw any) error {
+	return nil
+}
--- a/publisher.go
+++ b/publisher.go
@@ -1,23 +1,100 @@
 package m7s

 import (
-	"log/slog"
+	"reflect"
+	"sync"

 	. "m7s.live/m7s/v5/pkg"
 	"m7s.live/m7s/v5/pkg/config"
 )

 type Publisher struct {
-	Config config.Publish
-	Plugin *Plugin
-	Logger *slog.Logger
+	PubSubBase
+	config.Publish
+	VideoTrack  *AVTrack
+	AudioTrack  *AVTrack
+	DataTrack   *DataTrack
+	Subscribers map[*Subscriber]struct{}
+	sync.RWMutex
 }

-func (p *Publisher) WriteVideo(data IVideoData) {
+func (p *Publisher) AddSubscriber(subscriber *Subscriber) (err error) {
+	p.Lock()
+	defer p.Unlock()
+	p.Subscribers[subscriber] = struct{}{}
+	if p.VideoTrack != nil {
+		subscriber.VideoTrackReader = NewAVRingReader(p.VideoTrack)
+	}
+	if p.AudioTrack != nil {
+		subscriber.AudioTrackReader = NewAVRingReader(p.AudioTrack)
+	}
+	return
 }

-func (p *Publisher) WriteAudio(data IAudioData) {
+func (p *Publisher) writeAV(t *AVTrack, data IAVFrame) (err error) {
+	if t.ICodecCtx == nil {
+		err = data.DecodeConfig(t)
+	}
+	t.Ring.Value.Wrap[0] = data
+	if n := len(t.DataTypes); n > 1 {
+		t.Ring.Value.Raw, err = data.ToRaw(t)
+		if err != nil {
+			return
+		}
+		if t.Ring.Value.Raw == nil {
+			return
+		}
+		for i := 1; i < n; i++ {
+			t.Ring.Value.Wrap[i] = reflect.New(t.DataTypes[i]).Interface().(IAVFrame)
+			t.Ring.Value.Wrap[i].FromRaw(t, t.Ring.Value.Raw)
+		}
+	}
+	t.Step()
+	return
 }

-func (p *Publisher) WriteData(data IData) {
+func (p *Publisher) WriteVideo(data IAVFrame) (err error) {
+	if !p.PubVideo {
+		return
+	}
+	t := p.VideoTrack
+	if t == nil {
+		t = &AVTrack{
+			DataTypes: []reflect.Type{reflect.TypeOf(data)},
+		}
+		t.Logger = p.Logger.With("track", "video")
+		t.Init(256)
+		p.VideoTrack = t
+		p.Lock()
+		for sub := range p.Subscribers {
+			sub.VideoTrackReader = NewAVRingReader(t)
+		}
+		p.Unlock()
+	}
+	return p.writeAV(t, data)
+}
+
+func (p *Publisher) WriteAudio(data IAVFrame) (err error) {
+	if !p.PubAudio {
+		return
+	}
+	t := p.AudioTrack
+	if t == nil {
+		t = &AVTrack{
+			DataTypes: []reflect.Type{reflect.TypeOf(data)},
+		}
+		t.Logger = p.Logger.With("track", "audio")
+		t.Init(256)
+		p.AudioTrack = t
+		p.Lock()
+		for sub := range p.Subscribers {
+			sub.AudioTrackReader = NewAVRingReader(t)
+		}
+		p.Unlock()
+	}
+	return p.writeAV(t, data)
+}
+
+func (p *Publisher) WriteData(data IDataFrame) (err error) {
+	return
 }
--- a/server.go
+++ b/server.go
@@ -5,17 +5,25 @@ import (
 	"errors"
 	"log/slog"
 	"reflect"
+	"slices"
+	"time"
 	"unsafe"

 	. "m7s.live/m7s/v5/pkg"
+	"m7s.live/m7s/v5/pkg/config"
+	"m7s.live/m7s/v5/pkg/util"
 )

 type Server struct {
-	context.Context         `json:"-" yaml:"-"`
-	context.CancelCauseFunc `json:"-" yaml:"-"`
-	Plugins                 []*Plugin
-	EventBus                `json:"-" yaml:"-"`
+	StartTime time.Time
+	context.Context
+	context.CancelCauseFunc
+	EventBus
 	*slog.Logger
+	Config     config.Engine
+	Plugins    []*Plugin
+	Publishers map[string]*Publisher
+	Waiting    map[string]*Subscriber
 }

 var DefaultServer = &Server{}
@@ -31,13 +39,25 @@ func Run(ctx context.Context) {
 func (s *Server) Run(ctx context.Context) {
 	s.Logger = slog.With("server", uintptr(unsafe.Pointer(s)))
 	s.Context, s.CancelCauseFunc = context.WithCancelCause(ctx)
-	s.EventBus = NewEventBus()
+	s.EventBus = NewEventBus(10)
+	s.Config.HTTP.ListenAddrTLS = ":8443"
+	s.Config.HTTP.ListenAddr = ":8080"
 	s.Info("start")
 	s.initPlugins()
+	pulse := time.NewTicker(s.Config.PulseInterval)
 	select {
 	case <-s.Done():
 		s.Warn("Server is done", "reason", context.Cause(s))
+		pulse.Stop()
+		return
+	case <-pulse.C:
 	case event := <-s.EventBus:
+		switch v := event.(type) {
+		case util.Promise[*Publisher]:
+			v.CancelCauseFunc(s.OnPublish(v.Value))
+		case util.Promise[*Subscriber]:
+			v.CancelCauseFunc(s.OnSubscribe(v.Value))
+		}
 		for _, plugin := range s.Plugins {
 			if plugin.Disabled {
 				continue
@@ -59,7 +79,47 @@ func (s *Server) initPlugins() {
 		p.Meta = &plugin
 		p.server = s
 		p.Logger = s.Logger.With("plugin", plugin.Name)
+		p.Context, p.CancelCauseFunc = context.WithCancelCause(s.Context)
 		s.Plugins = append(s.Plugins, p)
+		p.OnInit()
 		instance.OnInit()
 	}
 }
+
+func (s *Server) OnPublish(publisher *Publisher) error {
+	if oldPublisher, ok := s.Publishers[publisher.StreamPath]; ok {
+		if publisher.KickExist {
+			oldPlugin := oldPublisher.Plugin
+			publisher.Warn("kick")
+			oldPlugin.handler.(IPublishPlugin).OnStopPublish(oldPublisher, ErrKick)
+			if index := slices.Index(oldPlugin.Publishers, oldPublisher); index != -1 {
+				oldPlugin.Publishers = slices.Delete(oldPlugin.Publishers, index, index+1)
+			}
+			publisher.VideoTrack = oldPublisher.VideoTrack
+			publisher.AudioTrack = oldPublisher.AudioTrack
+			publisher.DataTrack = oldPublisher.DataTrack
+			publisher.Subscribers = oldPublisher.Subscribers
+			oldPublisher.Subscribers = nil
+		} else {
+			return ErrStreamExist
+		}
+	} else {
+		s.Publishers[publisher.StreamPath] = publisher
+		publisher.Plugin.Info("publish", "streamPath", publisher.StreamPath)
+		publisher.Plugin.Publishers = append(publisher.Plugin.Publishers, publisher)
+	}
+	if subscriber, ok := s.Waiting[publisher.StreamPath]; ok {
+		delete(s.Waiting, publisher.StreamPath)
+		publisher.AddSubscriber(subscriber)
+	}
+	return nil
+}
+
+func (s *Server) OnSubscribe(subscriber *Subscriber) error {
+	if publisher, ok := s.Publishers[subscriber.StreamPath]; ok {
+		return publisher.AddSubscriber(subscriber)
+	} else {
+		s.Waiting[subscriber.StreamPath] = subscriber
+	}
+	return nil
+}
--- a/subscriber.go
+++ b/subscriber.go
@@ -0,0 +1,34 @@
+package m7s
+
+import (
+	"log/slog"
+	"net/url"
+	"time"
+
+	. "m7s.live/m7s/v5/pkg"
+	"m7s.live/m7s/v5/pkg/config"
+)
+
+type PubSubBase struct {
+	*slog.Logger `json:"-" yaml:"-"`
+	Plugin       *Plugin
+	StartTime    time.Time
+	StreamPath   string
+	Args         url.Values
+}
+
+func (ps *PubSubBase) Init(p *Plugin, streamPath string) {
+	ps.Plugin = p
+	if u, err := url.Parse(streamPath); err == nil {
+		ps.StreamPath, ps.Args = u.Path, u.Query()
+	}
+	ps.Logger = p.With("streamPath", ps.StreamPath)
+	ps.StartTime = time.Now()
+}
+
+type Subscriber struct {
+	PubSubBase
+	config.Subscribe
+	VideoTrackReader *AVRingReader
+	AudioTrackReader *AVRingReader
+}