重构媒体轨道等待逻辑

2025-10-05 16:46:58 +08:00 · 2021-06-14 22:15:25 +08:00
parent 96c29bbfa6
commit a0048a9c9d
11 changed files with 764 additions and 494 deletions
--- a/audio_track.go
+++ b/audio_track.go
@@ -1,74 +1,138 @@
 package engine

 import (
-	"github.com/Monibuca/utils/v3"
+	"io"
+
 	"github.com/Monibuca/utils/v3/codec"
-	"github.com/pion/rtp"
 )

 type AudioPack struct {
 	Timestamp      uint32
 	Payload        []byte
+	Raw            []byte
 	SequenceNumber uint16
 }
 type AudioTrack struct {
 	Track_Audio
-	SoundFormat byte   //4bit
 	SoundRate       int    //2bit
 	SoundSize       byte   //1bit
 	Channels        byte   //1bit
-	RtmpTag     []byte //rtmp协议需要先发这个帧
+	ExtraData       []byte `json:"-"` //rtmp协议需要先发这个帧
+	PushByteStream  func(pack AudioPack)
+	PushRaw         func(pack AudioPack)
+	WriteByteStream func(writer io.Writer, pack AudioPack) //使用函数写入，避免申请内存
 }

-func (at *AudioPack) ToRTMPTag(aac byte) []byte {
-	audio := at.Payload
-	l := len(audio) + 1
-	isAAC := 0
-	if aac>>4 == 10 {
-		isAAC = 1
+func (at *AudioTrack) pushByteStream(pack AudioPack) {
+	at.CodecID = pack.Payload[0] >> 4
+	at.WriteByteStream = func(writer io.Writer, pack AudioPack) {
+		writer.Write(pack.Payload)
 	}
-	payload := utils.GetSlice(l + isAAC)
-	payload[0] = aac
-	if isAAC == 1 {
-		payload[1] = 1
-		copy(payload[2:], audio)
+	switch at.CodecID {
+	case 10:
+		at.Stream.AudioTracks.AddTrack("aac", at)
+	case 7:
+		at.Stream.AudioTracks.AddTrack("pcma", at)
+	case 8:
+		at.Stream.AudioTracks.AddTrack("pcmu", at)
+	}
+	switch at.CodecID {
+	case 10:
+		if pack.Payload[1] != 0 {
+			return
 		} else {
-		copy(payload[1:], audio)
+			config1, config2 := pack.Payload[2], pack.Payload[3]
+			//audioObjectType = (config1 & 0xF8) >> 3
+			// 1 AAC MAIN 	ISO/IEC 14496-3 subpart 4
+			// 2 AAC LC 	ISO/IEC 14496-3 subpart 4
+			// 3 AAC SSR 	ISO/IEC 14496-3 subpart 4
+			// 4 AAC LTP 	ISO/IEC 14496-3 subpart 4
+			at.SoundRate = codec.SamplingFrequencies[((config1&0x7)<<1)|(config2>>7)]
+			at.Channels = ((config2 >> 3) & 0x0F) //声道
+			//frameLengthFlag = (config2 >> 2) & 0x01
+			//dependsOnCoreCoder = (config2 >> 1) & 0x01
+			//extensionFlag = config2 & 0x01
+			at.ExtraData = pack.Payload
+			at.PushByteStream = func(pack AudioPack) {
+				pack.Raw = pack.Payload[2:]
+				at.push(pack)
 			}
-	return payload
 		}
-
-// Push 来自发布者推送的音频
-func (at *AudioTrack) Push(timestamp uint32, payload []byte) {
-	if at.Stream != nil {
-		at.Stream.Update()
-	}
-	payloadLen := len(payload)
+	default:
+		at.SoundRate = codec.SoundRate[(pack.Payload[0]&0x0c)>>2] // 采样率 0 = 5.5 kHz or 1 = 11 kHz or 2 = 22 kHz or 3 = 44 kHz
+		at.SoundSize = (pack.Payload[0] & 0x02) >> 1              // 采样精度 0 = 8-bit samples or 1 = 16-bit samples
+		at.Channels = pack.Payload[0]&0x01 + 1
+		at.ExtraData = pack.Payload[:1]
+		at.PushByteStream = func(pack AudioPack) {
+			payloadLen := len(pack.Payload)
 			if payloadLen < 4 {
 				return
 			}
-	audio := at.Buffer
-	audio.Current.Timestamp = timestamp
-	audio.Current.Payload = payload
-	at.Track_Audio.GetBPS(payloadLen)
-	audio.NextW()
+			at.GetBPS(payloadLen)
+			pack.Raw = pack.Payload[1:]
+			at.push(pack)
 		}
-func (at *AudioTrack) PushRTP(pack rtp.Packet) {
-	t := pack.Timestamp / 90
-	for _, payload := range codec.ParseRTPAAC(pack.Payload) {
-		at.Push(t, payload)
+		at.PushByteStream(pack)
+	}
+
+}
+func (at *AudioTrack) pushRaw(pack AudioPack) {
+	switch at.CodecID {
+	case 10:
+		at.WriteByteStream = func(writer io.Writer, pack AudioPack) {
+			writer.Write([]byte{at.ExtraData[0], 1})
+			writer.Write(pack.Raw)
+		}
+	default:
+		at.WriteByteStream = func(writer io.Writer, pack AudioPack) {
+			writer.Write([]byte{at.ExtraData[0]})
+			writer.Write(pack.Raw)
 		}
 	}
-func NewAudioTrack() *AudioTrack {
-	var result AudioTrack
-	result.Buffer = NewRing_Audio()
-	return &result
+	at.PushRaw = at.push
+	at.push(pack)
+}
+
+// Push 来自发布者推送的音频
+func (at *AudioTrack) push(pack AudioPack) {
+	if at.Stream != nil {
+		at.Stream.Update()
+	}
+	abr := at.Buffer
+	audio := abr.Current
+	audio.AudioPack = pack
+	if at.Stream.prePayload > 0 && len(pack.Payload) == 0 {
+		buffer := abr.GetBuffer()
+		at.WriteByteStream(buffer, pack)
+		audio.AudioPack = pack
+		audio.AudioPack.Payload = buffer.Bytes()
+	} else {
+		audio.AudioPack = pack
+	}
+	abr.NextW()
+}
+
+func (s *Stream) NewAudioTrack(codec byte) (at *AudioTrack) {
+	at = &AudioTrack{}
+	at.PushByteStream = at.pushByteStream
+	at.PushRaw = at.pushRaw
+	at.Stream = s
+	at.Buffer = NewRing_Audio()
+	switch codec {
+	case 10:
+		s.AudioTracks.AddTrack("aac", at)
+	case 7:
+		s.AudioTracks.AddTrack("pcma", at)
+	case 8:
+		s.AudioTracks.AddTrack("pcmu", at)
+	}
+	return
 }
 func (at *AudioTrack) SetASC(asc []byte) {
-	at.RtmpTag = append([]byte{0xAF, 0}, asc...)
+	at.ExtraData = append([]byte{0xAF, 0}, asc...)
 	config1 := asc[0]
 	config2 := asc[1]
-	at.SoundFormat = 10
+	at.CodecID = 10
 	//audioObjectType = (config1 & 0xF8) >> 3
 	// 1 AAC MAIN 	ISO/IEC 14496-3 subpart 4
 	// 2 AAC LC 	ISO/IEC 14496-3 subpart 4
--- a/base_track.go
+++ b/base_track.go
@@ -1,22 +1,16 @@
 package engine

-import "github.com/pion/rtp"
+import (
+	"context"
+	"sync"
+	"time"
+)

 type Track interface {
-	PushRTP(rtp.Packet)
 	GetBPS(int)
 	Dispose()
 }

-// 一定要在写入Track的协程中调用该函数，这个函数的作用是防止订阅者无限等待
-func DisposeTracks(tracks ...Track) {
-	for _, track := range tracks {
-		if track != nil {
-			track.Dispose()
-		}
-	}
-}
-
 type Track_Audio struct {
 	Buffer      *Ring_Audio `json:"-"`
 	Stream      *Stream     `json:"-"`
@@ -56,3 +50,103 @@ func (t *Track_Video) GetBPS(payloadLen int) {
 func (t *Track_Video) Dispose() {
 	t.Buffer.Dispose()
 }
+
+type TrackWaiter struct {
+	Track
+	*sync.Cond `json:"-"`
+}
+
+func (tw *TrackWaiter) Ok(t Track) {
+	tw.Track = t
+	tw.Broadcast()
+}
+func (tw *TrackWaiter) Dispose() {
+	if tw.Cond != nil {
+		tw.Broadcast()
+	}
+	if tw.Track != nil {
+		tw.Track.Dispose()
+	}
+}
+func (tw *TrackWaiter) Wait(c chan<- Track) {
+	tw.L.Lock()
+	tw.Cond.Wait()
+	tw.L.Unlock()
+	c <- tw.Track
+}
+
+type Tracks struct {
+	m map[string]*TrackWaiter
+	sync.RWMutex
+	context.Context
+}
+
+func (ts *Tracks) Codecs() (result []string) {
+	ts.RLock()
+	defer ts.RUnlock()
+	for codec := range ts.m {
+		result = append(result, codec)
+	}
+	return
+}
+
+func (ts *Tracks) Init() {
+	ts.m = make(map[string]*TrackWaiter)
+	ts.Context, _ = context.WithTimeout(context.Background(), time.Second*5)
+}
+
+func (ts *Tracks) Dispose() {
+	ts.RLock()
+	defer ts.RUnlock()
+	for _, t := range ts.m {
+		t.Dispose()
+	}
+}
+func (ts *Tracks) AddTrack(codec string, t Track) {
+	ts.Lock()
+	if tw, ok := ts.m[codec]; ok {
+		ts.Unlock()
+		tw.Ok(t)
+	} else {
+		ts.m[codec] = &TrackWaiter{Track: t}
+		ts.Unlock()
+	}
+}
+func (ts *Tracks) GetTrack(codec string) (tw *TrackWaiter, ok bool) {
+	ts.Lock()
+	if tw, ok = ts.m[codec]; ok {
+		ts.Unlock()
+		ok = tw.Track != nil
+	} else {
+		tw = &TrackWaiter{Cond: sync.NewCond(new(sync.Mutex))}
+		ts.m[codec] = tw
+		ts.Unlock()
+	}
+	return
+}
+func (ts *Tracks) WaitTrack(codecs ...string) Track {
+	if len(codecs) == 0 {
+		codecs = ts.Codecs()
+	}
+	var tws []*TrackWaiter
+	for _, codec := range codecs {
+		if tw, ok := ts.GetTrack(codec); ok {
+			return tw.Track
+		} else {
+			tws = append(tws, tw)
+		}
+	}
+	if ts.Err() != nil {
+		return nil
+	}
+	c := make(chan Track, len(tws))
+	for _, tw := range tws {
+		go tw.Wait(c)
+	}
+	select {
+	case <-ts.Done():
+		return nil
+	case t := <-c:
+		return t
+	}
+}
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,8 @@ go 1.13

 require (
 	github.com/BurntSushi/toml v0.3.1
-	github.com/Monibuca/utils/v3 v3.0.0-alpha5
+	github.com/Monibuca/utils/v3 v3.0.0-beta
 	github.com/logrusorgru/aurora v2.0.3+incompatible
-	github.com/pion/rtp v1.6.2
+	github.com/pion/rtp v1.6.5
 	github.com/pkg/errors v0.9.1
 )
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,7 @@
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Monibuca/utils/v3 v3.0.0-alpha4 h1:pecYA89kWmtGOeY6R99d4T1epPJ1wc+jFrrJY13VD04=
-github.com/Monibuca/utils/v3 v3.0.0-alpha4/go.mod h1:3xYmhQbgAZBHLyIMteUCd1va+1z/xnd72B585mCaT3c=
-github.com/Monibuca/utils/v3 v3.0.0-alpha5 h1:IOyW/KJSRdRg+TPcgwkHLBynqfNQOV6p3iP7LgXEMFc=
-github.com/Monibuca/utils/v3 v3.0.0-alpha5/go.mod h1:3xYmhQbgAZBHLyIMteUCd1va+1z/xnd72B585mCaT3c=
+github.com/Monibuca/utils/v3 v3.0.0-beta h1:z4p/BSH5J9Ja/gwoDmj1RyN+b0q28Nmn/fqXiwq2hGY=
+github.com/Monibuca/utils/v3 v3.0.0-beta/go.mod h1:mQYP/OMox1tkWP6Qut7pBfARr1TXSRkK662dexQl6kI=
 github.com/funny/slab v0.0.0-20180511031532-b1fad5e5d478 h1:Db9StoJ6RZN3YttC0Pm0I4Y5izITRYch3RMbT59BYN0=
 github.com/funny/slab v0.0.0-20180511031532-b1fad5e5d478/go.mod h1:0j1+svBH8ABEIPdUP0AIg4qedsybnXGJBakCEw8cfoo=
 github.com/funny/utest v0.0.0-20161029064919-43870a374500 h1:Z0r1CZnoIWFB/Uiwh1BU5FYmuFe6L5NPi6XWQEmsTRg=
@@ -16,10 +14,12 @@ github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHX
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
 github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
-github.com/pion/rtp v1.6.2 h1:iGBerLX6JiDjB9NXuaPzHyxHFG9JsIEdgwTC0lp5n/U=
-github.com/pion/rtp v1.6.2/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko=
+github.com/pion/rtp v1.6.5 h1:o2cZf8OascA5HF/b0PAbTxRKvOWxTQxWYt7SlToxFGI=
+github.com/pion/rtp v1.6.5/go.mod h1:bDb5n+BFZxXx0Ea7E5qe+klMuqiBrP+w8XSjiWtCUko=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/q191201771/naza v0.19.1 h1:4KLcxT2CHztO+7miPRtBG3FFgadSQYQw1gPPPKN7rnY=
+github.com/q191201771/naza v0.19.1/go.mod h1:5LeGupZZFtYP1g/S203n9vXoUNVdlRnPIfM6rExjqt0=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a h1:DcqTD9SDLc+1P/r1EmRBwnVsrOwW+kk2vWf9n+1sGhs=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
--- a/publisher.go
+++ b/publisher.go
@@ -1,53 +0,0 @@
-package engine
-
-import (
-	"context"
-	"time"
-)
-
-// Publisher 发布者实体定义
-type Publisher struct {
-	context.Context
-	cancel        context.CancelFunc
-	AutoUnPublish bool //	当无人订阅时自动停止发布
-	*Stream
-	Type    string      //类型，用来区分不同的发布者
-	timeout *time.Timer //更新时间用来做超时处理
-}
-
-// Close 关闭发布者
-func (p *Publisher) Close() {
-	if p.Running() {
-		p.Stream.Close()
-	}
-}
-
-func (p *Publisher) Update() {
-	if p.timeout != nil {
-		p.timeout.Reset(config.PublishTimeout)
-	} else {
-		p.timeout = time.AfterFunc(config.PublishTimeout, p.Close)
-	}
-}
-
-// Running 发布者是否正在发布
-func (p *Publisher) Running() bool {
-	return p.Stream != nil && p.Err() == nil
-}
-
-// Publish 发布者进行发布操作
-func (p *Publisher) Publish(streamPath string) bool {
-	p.Stream = GetStream(streamPath)
-	//检查是否已存在发布者
-	if p.Publisher != nil {
-		return false
-	}
-	p.Context, p.cancel = context.WithCancel(p.Stream)
-	p.Publisher = p
-	p.Stream.Type = p.Type
-	p.StartTime = time.Now()
-	p.Update()
-	//触发钩子
-	TriggerHook(Hook{HOOK_PUBLISH, p.Stream})
-	return true
-}
--- a/ring_audio.go
+++ b/ring_audio.go
@@ -97,14 +97,16 @@ func (r *Ring_Audio) Dispose() {
 }

 // NextR 读下一个
-func (r *Ring_Audio) NextR() {
+func (r *Ring_Audio) NextR() bool {
 	r.GoNext()
 	r.Current.Wait()
+	return r.Flag != 2 // 2代表已经销毁
 }

 func (r *Ring_Audio) GetBuffer() *bytes.Buffer {
 	if r.Current.Buffer == nil {
-		r.Current.Buffer = bytes.NewBuffer([]byte{})
+		r.Current.Payload = []byte{}
+		r.Current.Buffer = bytes.NewBuffer(r.Current.Payload)
 	} else {
 		r.Current.Reset()
 	}
--- a/ring_video.go
+++ b/ring_video.go
@@ -81,6 +81,7 @@ func (r *Ring_Video) NextW() {
 		r.GoNext()
 		r.Current.Add(1)
 		item.Done()
+		//Flag不为1代表被Dispose了，但尚未处理Done
 		if !atomic.CompareAndSwapInt32(&r.Flag, 1, 0) {
 			r.Current.Done()
 		}
@@ -91,20 +92,23 @@ func (r *Ring_Video) Dispose() {
 	if atomic.CompareAndSwapInt32(&r.Flag, 0, 2) {
 		r.Current.Done()
 	} else if atomic.CompareAndSwapInt32(&r.Flag, 1, 2) {
+		//当前是1代表正在写入，此时变成2，但是Done的任务得交给NextW来处理
 	} else if atomic.CompareAndSwapInt32(&r.Flag, 0, 2) {
 		r.Current.Done()
 	}
 }

 // NextR 读下一个
-func (r *Ring_Video) NextR() {
+func (r *Ring_Video) NextR() bool{
 	r.GoNext()
 	r.Current.Wait()
+	return r.Flag != 2 // 2代表已经销毁
 }

 func (r *Ring_Video) GetBuffer() *bytes.Buffer {
 	if r.Current.Buffer == nil {
-		r.Current.Buffer = bytes.NewBuffer([]byte{})
+		r.Current.Payload = []byte{}
+		r.Current.Buffer = bytes.NewBuffer(r.Current.Payload)
 	} else {
 		r.Current.Reset()
 	}
--- a/rtp.go
+++ b/rtp.go
@@ -0,0 +1,127 @@
+package engine
+
+import (
+	"sort"
+
+	"github.com/Monibuca/utils/v3/codec"
+	"github.com/pion/rtp"
+)
+
+type RTPPublisher struct {
+	rtp.Packet
+	Push func(payload []byte)
+}
+type RTPAudio struct {
+	RTPPublisher
+	*AudioTrack
+}
+type RTPVideo struct {
+	RTPPublisher
+	*VideoTrack
+}
+
+func (s *Stream) NewRTPVideo(codec byte) (r *RTPVideo) {
+	r = &RTPVideo{
+		VideoTrack: s.NewVideoTrack(codec),
+	}
+	r.Push = r.push
+	return
+}
+
+func (s *Stream) NewRTPAudio(codec byte) (r *RTPAudio) {
+	r = &RTPAudio{
+		AudioTrack: s.NewAudioTrack(codec),
+	}
+	r.Push = r.push
+	return
+}
+
+func (v *RTPVideo) push(payload []byte) {
+	vt := v.VideoTrack
+	if err := v.Unmarshal(payload); err != nil {
+		return
+	}
+	t := v.Timestamp / 90
+	if t < vt.Buffer.GetLast().Timestamp {
+		if vt.WaitIDR.Err() == nil {
+			return
+		}
+		//有B帧
+		var tmpVT VideoTrack
+		tmpVT.Buffer = NewRing_Video()
+		tmpVT.revIDR = func() {
+			tmpVT.IDRIndex = tmpVT.Buffer.Index
+		}
+		// tmpVT.pushRTP = func(p rtp.Packet) {
+		// 	tmpVT.Push(VideoPack{Timestamp:p.Timestamp/90,Payload:p.Payload})
+		// }
+		gopBuffer := tmpVT.Buffer //缓存一个GOP用来计算dts
+		var gopFirst byte
+		var tsSlice TSSlice
+		for i := vt.IDRIndex; vt.Buffer.Index != i; i++ {
+			t := vt.Buffer.GetAt(i)
+			c := gopBuffer.Current
+			c.VideoPack = t.VideoPack.Clone()
+			tsSlice = append(tsSlice, gopBuffer.Current.Timestamp)
+			gopBuffer.NextW()
+		}
+		v.Push = func(payload []byte) {
+			if err := v.Unmarshal(payload); err != nil {
+				return
+			}
+			t := v.Timestamp / 90
+			c := gopBuffer.Current
+			vp := VideoPack{Timestamp: t, NALUs: [][]byte{v.Payload}}
+			tmpVT.PushNalu(vp)
+			if c != gopBuffer.Current {
+				if c.IDR {
+					sort.Sort(tsSlice) //排序后相当于DTS列表
+					var offset uint32
+					for i := 0; i < len(tsSlice); i++ {
+						j := gopFirst + byte(i)
+						f := gopBuffer.GetAt(j)
+						if f.Timestamp+offset < tsSlice[i] {
+							offset = tsSlice[i] - f.Timestamp
+						}
+					}
+					for i := 0; i < len(tsSlice); i++ {
+						f := gopBuffer.GetAt(gopFirst + byte(i))
+						f.CompositionTime = f.Timestamp + offset - tsSlice[i]
+						f.Timestamp = tsSlice[i]
+						vt.PushNalu(f.VideoPack)
+					}
+					gopFirst = gopBuffer.Index - 1
+					tsSlice = nil
+				}
+				tsSlice = append(tsSlice, t)
+			}
+		}
+		v.Push(payload)
+		return
+	}
+	vt.PushNalu(VideoPack{Timestamp: t, NALUs: [][]byte{v.Payload}})
+}
+func (v *RTPAudio) push(payload []byte) {
+	at := v.AudioTrack
+	if err := v.Unmarshal(payload); err != nil {
+		return
+	}
+	switch at.CodecID {
+	case 10:
+		v.Push = func(payload []byte) {
+			if err := v.Unmarshal(payload); err != nil {
+				return
+			}
+			for _, payload = range codec.ParseRTPAAC(v.Payload) {
+				at.PushRaw(AudioPack{Timestamp: v.Timestamp / 90, Raw: payload})
+			}
+		}
+	case 7, 8:
+		v.Push = func(payload []byte) {
+			if err := v.Unmarshal(payload); err != nil {
+				return
+			}
+			at.PushRaw(AudioPack{Timestamp: v.Timestamp / 8, Raw: v.Payload})
+		}
+	}
+}
--- a/stream.go
+++ b/stream.go
@@ -9,117 +9,122 @@ import (
 	. "github.com/logrusorgru/aurora"
 )

-// Streams 所有的流集合
-var Streams sync.Map
+type StreamCollection struct {
+	sync.RWMutex
+	m map[string]*Stream
+}

-//FindStream 根据流路径查找流
-func FindStream(streamPath string) *Stream {
-	if s, ok := Streams.Load(streamPath); ok {
-		return s.(*Stream)
+func (sc *StreamCollection) GetStream(streamPath string) *Stream {
+	sc.RLock()
+	defer sc.RUnlock()
+	if s, ok := sc.m[streamPath]; ok {
+		return s
 	}
 	return nil
 }
+func (sc *StreamCollection) Delete(streamPath string) {
+	sc.Lock()
+	delete(sc.m, streamPath)
+	sc.Unlock()
+}

-//GetStream 根据流路径获取流，如果不存在则创建一个新的
-func GetStream(streamPath string) (result *Stream) {
-	item, loaded := Streams.LoadOrStore(streamPath, &Stream{
-		StreamPath: streamPath,
-	})
-	result = item.(*Stream)
-	if !loaded {
-		result.Context, result.cancel = context.WithCancel(context.Background())
-		utils.Print(Green("Stream create:"), BrightCyan(streamPath))
+func (sc *StreamCollection) ToList() (r []*Stream) {
+	sc.RLock()
+	defer sc.RUnlock()
+	for _, s := range sc.m {
+		r = append(r, s)
 	}
 	return
 }

-type TrackWaiter struct {
-	Track
-	*sync.Cond
+func init() {
+	Streams.m = make(map[string]*Stream)
 }

-func (tw *TrackWaiter) Ok(t Track) {
-	tw.Track = t
-	tw.Broadcast()
+// Streams 所有的流集合
+var Streams StreamCollection
+
+//FindStream 根据流路径查找流
+func FindStream(streamPath string) *Stream {
+	return Streams.GetStream(streamPath)
 }

 // Stream 流定义
 type Stream struct {
 	context.Context
-	cancel           context.CancelFunc
 	StreamPath     string
 	Type           string        //流类型，来自发布者
 	StartTime      time.Time     //流的创建时间
-	*Publisher       `json:"-"`
 	Subscribers    []*Subscriber // 订阅者
-	VideoTracks      sync.Map
-	AudioTracks      sync.Map
-	OriginVideoTrack *VideoTrack //原始视频轨
-	OriginAudioTrack *AudioTrack //原始音频轨
+	VideoTracks    Tracks
+	AudioTracks    Tracks
+	AutoUnPublish  bool              //	当无人订阅时自动停止发布
+	Transcoding    map[string]string //转码配置，key：目标编码，value：发布者提供的编码
 	subscribeMutex sync.Mutex
+	timeout        *time.Timer //更新时间用来做超时处理
+	Close          func()      `json:"-"`
+	prePayload     uint32      //需要预拼装ByteStream格式的数据的订阅者数量
 }

-func (r *Stream) SetOriginVT(vt *VideoTrack) {
-	r.OriginVideoTrack = vt
-	switch vt.CodecID {
-	case 7:
-		r.AddVideoTrack("h264", vt)
-	case 12:
-		r.AddVideoTrack("h265", vt)
-	}
-}
-func (r *Stream) SetOriginAT(at *AudioTrack) {
-	r.OriginAudioTrack = at
-	switch at.SoundFormat {
-	case 10:
-		r.AddAudioTrack("aac", at)
-	case 7:
-		r.AddAudioTrack("pcma", at)
-	case 8:
-		r.AddAudioTrack("pcmu", at)
-	}
-}
-func (r *Stream) AddVideoTrack(codec string, vt *VideoTrack) *VideoTrack {
-	vt.Stream = r
-	if actual, loaded := r.VideoTracks.LoadOrStore(codec, &TrackWaiter{vt, sync.NewCond(new(sync.Mutex))}); loaded {
-		actual.(*TrackWaiter).Ok(vt)
-	}
-	return vt
+func (r *Stream) Update() {
+	r.timeout.Reset(config.PublishTimeout)
 }

-func (r *Stream) AddAudioTrack(codec string, at *AudioTrack) *AudioTrack {
-	at.Stream = r
-	if actual, loaded := r.AudioTracks.LoadOrStore(codec, &TrackWaiter{at, sync.NewCond(new(sync.Mutex))}); loaded {
-		actual.(*TrackWaiter).Ok(at)
+// Publish 发布者进行发布操作
+func (r *Stream) Publish() bool {
+	Streams.Lock()
+	defer Streams.Unlock()
+	if _, ok := Streams.m[r.StreamPath]; ok {
+		return false
 	}
-	return at
+	r.VideoTracks.Init()
+	r.AudioTracks.Init()
+	var cancel context.CancelFunc
+	customClose := r.Close
+	r.Context, cancel = context.WithCancel(context.Background())
+	var closeOnce sync.Once
+	r.Close = func() {
+		closeOnce.Do(func() {
+			r.timeout.Stop()
+			if customClose != nil {
+				customClose()
 			}
-
-func (r *Stream) Close() {
-	r.cancel()
-	// if r.OriginVideoTrack != nil {
-	// 	r.OriginVideoTrack.Buffer.Current.Done()
-	// }
-	// if r.OriginAudioTrack != nil {
-	// 	r.OriginAudioTrack.Buffer.Current.Done()
-	// }
-	r.VideoTracks.Range(func(k, v interface{}) bool {
-		v.(*TrackWaiter).Broadcast()
-		if v.(*TrackWaiter).Track != nil {
-			v.(*TrackWaiter).Track.Dispose()
-		}
-		return true
-	})
-	r.AudioTracks.Range(func(k, v interface{}) bool {
-		v.(*TrackWaiter).Broadcast()
-		if v.(*TrackWaiter).Track != nil {
-			v.(*TrackWaiter).Track.Dispose()
-		}
-		return true
-	})
+			cancel()
+			r.VideoTracks.Dispose()
+			r.AudioTracks.Dispose()
 			utils.Print(Yellow("Stream destoryed :"), BrightCyan(r.StreamPath))
 			Streams.Delete(r.StreamPath)
 			TriggerHook(Hook{HOOK_STREAMCLOSE, r})
+		})
+	}
+	r.StartTime = time.Now()
+	Streams.m[r.StreamPath] = r
+	utils.Print(Green("Stream publish:"), BrightCyan(r.StreamPath))
+	r.timeout = time.AfterFunc(config.PublishTimeout, r.Close)
+	//触发钩子
+	TriggerHook(Hook{HOOK_PUBLISH, r})
+	return true
+}
+
+func (r *Stream) WaitVideoTrack(codecs ...string) *VideoTrack {
+	if !config.EnableVideo {
+		return nil
+	}
+	if track := r.VideoTracks.WaitTrack(codecs...); track != nil {
+		return track.(*VideoTrack)
+	}
+	return nil
+}
+
+// TODO: 触发转码逻辑
+func (r *Stream) WaitAudioTrack(codecs ...string) *AudioTrack {
+	if !config.EnableAudio {
+		return nil
+	}
+	if track := r.AudioTracks.WaitTrack(codecs...); track != nil {
+		return track.(*AudioTrack)
+	}
+	return nil
 }

 //Subscribe 订阅流
@@ -129,6 +134,9 @@ func (r *Stream) Subscribe(s *Subscriber) {
 		utils.Print(Sprintf(Yellow("subscribe :%s %s,to Stream %s"), Blue(s.Type), Cyan(s.ID), BrightCyan(r.StreamPath)))
 		s.Context, s.cancel = context.WithCancel(r)
 		r.subscribeMutex.Lock()
+		if s.ByteStreamFormat {
+			r.prePayload++
+		}
 		r.Subscribers = append(r.Subscribers, s)
 		r.subscribeMutex.Unlock()
 		utils.Print(Sprintf(Yellow("%s subscriber %s added remains:%d"), BrightCyan(r.StreamPath), Cyan(s.ID), Blue(len(r.Subscribers))))
@@ -141,12 +149,15 @@ func (r *Stream) UnSubscribe(s *Subscriber) {
 	if r.Err() == nil {
 		var deleted bool
 		r.subscribeMutex.Lock()
+		if s.ByteStreamFormat {
+			r.prePayload--
+		}
 		r.Subscribers, deleted = DeleteSliceItem_Subscriber(r.Subscribers, s)
 		r.subscribeMutex.Unlock()
 		if deleted {
 			utils.Print(Sprintf(Yellow("%s subscriber %s removed remains:%d"), BrightCyan(r.StreamPath), Cyan(s.ID), Blue(len(r.Subscribers))))
 			TriggerHook(Hook{HOOK_UNSUBSCRIBE, s})
-			if len(r.Subscribers) == 0 && (r.Publisher == nil || r.Publisher.AutoUnPublish) {
+			if len(r.Subscribers) == 0 && r.AutoUnPublish {
 				r.Close()
 			}
 		}
--- a/subscriber.go
+++ b/subscriber.go
@@ -2,10 +2,10 @@ package engine

 import (
 	"context"
+	"net/url"
 	"sync"
 	"time"

-	"github.com/Monibuca/utils/v3/codec"
 	"github.com/pkg/errors"
 )

@@ -22,109 +22,35 @@ type Subscriber struct {
 	BufferLength     int
 	Delay            uint32
 	SubscribeTime    time.Time
-	Sign            string
+	SubscribeArgs    url.Values
 	OnAudio          func(pack AudioPack) `json:"-"`
 	OnVideo          func(pack VideoPack) `json:"-"`
+	ByteStreamFormat bool
+	closeOnce        sync.Once
 }

-// IsClosed 检查订阅者是否已经关闭
-func (s *Subscriber) IsClosed() bool {
-	return s.Context != nil && s.Err() != nil
+func (s *Subscriber) close() {
+	s.UnSubscribe(s)
+	s.cancel()
 }

 // Close 关闭订阅者
 func (s *Subscriber) Close() {
-	if s.cancel != nil {
-		s.UnSubscribe(s)
-		s.cancel()
-	}
-}
-func (s *Subscriber) WaitVideoTrack(codec string) *VideoTrack {
-	if !config.EnableVideo {
-		return nil
-	}
-	waiter, ok := s.VideoTracks.LoadOrStore(codec, &TrackWaiter{nil, sync.NewCond(new(sync.Mutex))})
-	tw := waiter.(*TrackWaiter)
-	if !ok {
-		tw.L.Lock()
-		tw.Wait()
-		tw.L.Unlock()
-	}
-	if tw.Track == nil {
-		return nil
-	}
-	return tw.Track.(*VideoTrack)
-}
-func (s *Subscriber) WaitAudioTrack(codecs ...string) *AudioTrack {
-	if !config.EnableAudio {
-		return nil
-	}
-
-	for _, codec := range codecs {
-		if at, ok := s.AudioTracks.Load(codec); ok && at.(*TrackWaiter).Track != nil {
-			return at.(*TrackWaiter).Track.(*AudioTrack)
-		}
-	}
-	if HasTranscoder && s.OriginAudioTrack != nil {
-		at := s.AddAudioTrack(codecs[0], NewAudioTrack())
-		at.SoundFormat = codec.Codec2SoundFormat[codecs[0]]
-		TriggerHook(Hook{HOOK_REQUEST_TRANSAUDIO, &TransCodeReq{s, codecs[0]}})
-		return at
-	}
-	var once sync.Once
-	c := make(chan *TrackWaiter)
-	for _, codec := range codecs {
-		at, _ := s.AudioTracks.LoadOrStore(codec, &TrackWaiter{nil, sync.NewCond(new(sync.Mutex))})
-		go func(tw *TrackWaiter) {
-			tw.L.Lock()
-			tw.Wait()
-			tw.L.Unlock()
-			once.Do(func() {
-				c <- tw
-			})
-		}(at.(*TrackWaiter))
-	}
-	tw := <-c
-	if tw.Track == nil {
-		return nil
-	}
-	return tw.Track.(*AudioTrack)
-}
-func (s *Subscriber) GetVideoTrack(codec string) *VideoTrack {
-	if !config.EnableVideo {
-		return nil
-	}
-	if waiter, ok := s.VideoTracks.Load(codec); ok && waiter.(*TrackWaiter).Track != nil {
-		return waiter.(*TrackWaiter).Track.(*VideoTrack)
-	}
-	return nil
-}
-func (s *Subscriber) GetAudioTrack(codecs ...string) (at *AudioTrack) {
-	if !config.EnableAudio {
-		return nil
-	}
-	for _, codec := range codecs {
-		if at, ok := s.AudioTracks.Load(codec); ok && at.(*TrackWaiter).Track != nil {
-			return at.(*TrackWaiter).Track.(*AudioTrack)
-		}
-	}
-	if HasTranscoder && s.OriginAudioTrack != nil {
-		at = s.AddAudioTrack(codecs[0], NewAudioTrack())
-		at.SoundFormat = codec.Codec2SoundFormat[codecs[0]]
-		TriggerHook(Hook{HOOK_REQUEST_TRANSAUDIO, &TransCodeReq{s, codecs[0]}})
-	}
-	return
+	s.closeOnce.Do(s.close)
 }

 //Subscribe 开始订阅 将Subscriber与Stream关联
 func (s *Subscriber) Subscribe(streamPath string) error {
-	if FindStream(streamPath) == nil {
+	u, _ := url.Parse(streamPath)
+	s.SubscribeArgs, _ = url.ParseQuery(u.RawQuery)
+	streamPath = u.Path
+	if stream := FindStream(streamPath); stream == nil {
 		return errors.Errorf("Stream not found:%s", streamPath)
-	}
-	GetStream(streamPath).Subscribe(s)
-	if s.Context == nil {
+	} else {
+		if stream.Subscribe(s); s.Context == nil {
 			return errors.Errorf("stream not exist:%s", streamPath)
 		}
+	}
 	return nil
 }

@@ -164,10 +90,12 @@ func (s *Subscriber) Play(at *AudioTrack, vt *VideoTrack) {
 				if vt.Buffer.Index-vr.Index > 128 {
 					dropping = true
 				}
-			} else if vr.Current.NalType == codec.NALU_IDR_Picture {
+			} else if vr.Current.IDR {
 				dropping = false
 			}
-			vr.NextR()
+			if !vr.NextR() {
+				return
+			}
 		} else {
 			if !dropping {
 				s.OnAudio(ar.Current.AudioPack)
@@ -175,7 +103,9 @@ func (s *Subscriber) Play(at *AudioTrack, vt *VideoTrack) {
 					dropping = true
 				}
 			}
-			ar.NextR()
+			if !ar.NextR() {
+				return
+			}
 		}
 	}
 }
@@ -204,7 +134,8 @@ func (s *Subscriber) PlayAudio(at *AudioTrack) {
 	if ctx2 == nil {
 		ctx2 = context.TODO()
 	}
-	for action = send; ctx2.Err() == nil && s.Context.Err() == nil; ring.NextR() {
+	action = send
+	for running := true; ctx2.Err() == nil && s.Context.Err() == nil && running; running = ring.NextR() {
 		action()
 	}
 }
@@ -226,7 +157,7 @@ func (s *Subscriber) PlayVideo(vt *VideoTrack) {
 	droped := 0
 	var action, send func()
 	drop := func() {
-		if ring.Current.NalType == codec.NALU_IDR_Picture {
+		if ring.Current.IDR {
 			action = send
 		} else {
 			droped++
@@ -241,7 +172,8 @@ func (s *Subscriber) PlayVideo(vt *VideoTrack) {
 			action = drop
 		}
 	}
-	for action = send; ctx2.Err() == nil && s.Context.Err() == nil; ring.NextR() {
+	action = send
+	for running := true; ctx2.Err() == nil && s.Context.Err() == nil && running; running = ring.NextR() {
 		action()
 	}
 }
--- a/video_track.go
+++ b/video_track.go
@@ -1,13 +1,13 @@
 package engine

 import (
+	"bytes"
 	"context"
 	"encoding/binary"
-	"sort"
+	"io"

 	"github.com/Monibuca/utils/v3"
 	"github.com/Monibuca/utils/v3/codec"
-	"github.com/pion/rtp"
 )

 const (
@@ -16,6 +16,7 @@ const (
 	stapaNALULengthSize = 2

 	naluTypeBitmask      = 0x1F
+	naluTypeBitmask_hevc = 0x7E
 	naluRefIdcBitmask    = 0x60
 	fuaStartBitmask      = 0x80 //1000 0000
 	fuaEndBitmask        = 0x40 //0100 0000
@@ -32,200 +33,288 @@ func (s TSSlice) Less(i, j int) bool { return s[i] < s[j] }
 type VideoPack struct {
 	Timestamp       uint32
 	CompositionTime uint32
-	Payload         []byte //NALU
-	NalType         byte
+	Payload         []byte
+	NALUs           [][]byte
+	IDR             bool // 是否关键帧
 	Sequence        int
 }

-func (vp *VideoPack) ToRTMPTag() []byte {
-	nalu := vp.Payload
-	cts := vp.CompositionTime
-	payload := utils.GetSlice(9 + len(nalu))
-	if nalu[0]&31 == codec.NALU_IDR_Picture {
-		payload[0] = 0x17
-	} else {
-		payload[0] = 0x27
-	}
-	payload[1] = 0x01
-	utils.BigEndian.PutUint24(payload[2:], cts)
-	utils.BigEndian.PutUint32(payload[5:], uint32(len(nalu)))
-	copy(payload[9:], nalu)
-	return payload
+func (vp VideoPack) Clone() VideoPack {
+	return vp
 }

 type VideoTrack struct {
 	IDRIndex byte //最近的关键帧位置，首屏渲染
 	Track_Video
-	SPS     []byte `json:"-"`
-	PPS     []byte `json:"-"`
 	SPSInfo         codec.SPSInfo
 	GOP             byte            //关键帧间隔
-	RtmpTag []byte          `json:"-"` //rtmp需要先发送一个序列帧，包含SPS和PPS
+	ExtraData       *VideoPack      `json:"-"` //H264(SPS、PPS) H265(VPS、SPS、PPS)
 	WaitIDR         context.Context `json:"-"`
 	revIDR          func()
-	pushRTP func(rtp.Packet)
+	PushByteStream  func(pack VideoPack)
+	PushNalu        func(pack VideoPack)
+	WriteByteStream func(writer io.Writer, pack VideoPack) //使用函数写入，避免申请内存
+
 }

-func (vt *VideoTrack) PushRTP(pack rtp.Packet) {
-	vt.pushRTP(pack)
-}
-
-func NewVideoTrack() *VideoTrack {
-	var result VideoTrack
+func (s *Stream) NewVideoTrack(codec byte) (vt *VideoTrack) {
 	var cancel context.CancelFunc
-	result.Buffer = NewRing_Video()
-	result.WaitIDR, cancel = context.WithCancel(context.Background())
-	result.revIDR = func() {
-		if result.RtmpTag == nil {
-			return
-		}
-		result.IDRIndex = result.Buffer.Index
+	vt = &VideoTrack{
+		revIDR: func() {
+			vt.IDRIndex = vt.Buffer.Index
 			cancel()
-		result.revIDR = func() {
-			result.GOP = result.Buffer.Index - result.IDRIndex
-			result.IDRIndex = result.Buffer.Index
+			vt.revIDR = func() {
+				vt.GOP = vt.Buffer.Index - vt.IDRIndex
+				vt.IDRIndex = vt.Buffer.Index
 			}
+		},
 	}
-	result.pushRTP = result.pushRTP0
-	return &result
+	vt.PushByteStream = vt.pushByteStream
+	vt.PushNalu = vt.pushNalu
+	vt.Stream = s
+	vt.CodecID = codec
+	vt.Buffer = NewRing_Video()
+	vt.WaitIDR, cancel = context.WithCancel(context.Background())
+	switch codec {
+	case 7:
+		s.VideoTracks.AddTrack("h264", vt)
+	case 12:
+		s.VideoTracks.AddTrack("h265", vt)
+	}
+	return
 }

-// Push 来自发布者推送的视频
-func (vt *VideoTrack) Push(pack VideoPack) {
-	if vt.Stream != nil {
-		vt.Stream.Update()
+func (vt *VideoTrack) PushAnnexB(pack VideoPack) {
+	for _, payload := range codec.SplitH264(pack.Payload) {
+		pack.NALUs = append(pack.NALUs, payload)
 	}
-	payload := pack.Payload
-	payloadLen := len(payload)
-	if payloadLen == 0 {
-		return
+	vt.PushNalu(pack)
 }
-	vbr := vt.Buffer
-	video := vbr.Current
-	video.NalType = payload[0] & naluTypeBitmask
-	video.Timestamp = pack.Timestamp
-	video.CompositionTime = pack.CompositionTime
-	video.Sequence = vt.PacketCount
-	switch video.NalType {
+
+func (vt *VideoTrack) pushNalu(pack VideoPack) {
+	// 缓冲中只包含Nalu数据所以写入rtmp格式时需要按照ByteStream格式写入
+	vt.WriteByteStream = func(writer io.Writer, pack VideoPack) {
+		tmp := utils.GetSlice(4)
+		defer utils.RecycleSlice(tmp)
+		if pack.IDR {
+			tmp[0] = 0x10 | vt.CodecID
+		} else {
+			tmp[0] = 0x20 | vt.CodecID
+		}
+		tmp[1] = 1
+		writer.Write(tmp[:2])
+		cts := pack.CompositionTime
+		utils.BigEndian.PutUint24(tmp, cts)
+		writer.Write(tmp[:3])
+		for _, nalu := range pack.NALUs {
+			utils.BigEndian.PutUint32(tmp, uint32(len(nalu)))
+			writer.Write(tmp)
+			writer.Write(nalu)
+		}
+	}
+	switch vt.CodecID {
+	case 7:
+		{
+			var info codec.AVCDecoderConfigurationRecord
+			vt.PushNalu = func(pack VideoPack) {
+				// 等待接收SPS和PPS数据
+				for _, nalu := range pack.NALUs {
+					switch nalu[0] & naluTypeBitmask {
+					case codec.NALU_SPS:
+						info.SequenceParameterSetNALUnit = nalu
+						info.SequenceParameterSetLength = uint16(len(nalu))
+						vt.SPSInfo, _ = codec.ParseSPS(nalu)
+					case codec.NALU_PPS:
+						info.PictureParameterSetNALUnit = nalu
+						info.PictureParameterSetLength = uint16(len(nalu))
+					}
+				}
+				if info.SequenceParameterSetNALUnit != nil && info.PictureParameterSetNALUnit != nil {
+					vt.ExtraData = &VideoPack{
+						Payload: codec.BuildH264SeqHeaderFromSpsPps(info.SequenceParameterSetNALUnit, info.PictureParameterSetNALUnit),
+						NALUs:   [][]byte{info.SequenceParameterSetNALUnit, info.PictureParameterSetNALUnit},
+					}
+					fuaBuffer := bytes.NewBuffer([]byte{})
+					//已完成SPS和PPS 组装，重置push函数，接收视频数据
+					vt.PushNalu = func(pack VideoPack) {
+						var nonIDRs [][]byte
+						for _, nalu := range pack.NALUs {
+							naluType := nalu[0] & naluTypeBitmask
+							switch naluType {
 							case codec.NALU_STAPA:
-		for currOffset, naluSize := stapaHeaderSize, 0; currOffset < len(payload); currOffset += naluSize {
-			naluSize = int(binary.BigEndian.Uint16(payload[currOffset:]))
+								var nalus [][]byte
+								for currOffset, naluSize := stapaHeaderSize, 0; currOffset < len(nalu); currOffset += naluSize {
+									naluSize = int(binary.BigEndian.Uint16(nalu[currOffset:]))
 									currOffset += stapaNALULengthSize
-			if currOffset+len(payload) < currOffset+naluSize {
-				utils.Printf("STAP-A declared size(%d) is larger then buffer(%d)", naluSize, len(payload)-currOffset)
+									if currOffset+len(nalu) < currOffset+naluSize {
+										utils.Printf("STAP-A declared size(%d) is larger then buffer(%d)", naluSize, len(nalu)-currOffset)
 										return
 									}
-			pack.Payload = payload[currOffset : currOffset+naluSize]
-			vt.Push(pack)
+									nalus = append(nalus, nalu[currOffset:currOffset+naluSize])
 								}
+								p := pack.Clone()
+								p.NALUs = nalus
+								vt.PushNalu(p)
 							case codec.NALU_FUA:
-		if len(payload) < fuaHeaderSize {
+								if len(nalu) < fuaHeaderSize {
 									utils.Printf("Payload is not large enough to be FU-A")
 									return
 								}
-		if payload[1]&fuaStartBitmask != 0 {
-			naluRefIdc := payload[0] & naluRefIdcBitmask
-			fragmentedNaluType := payload[1] & naluTypeBitmask
-			buffer := vbr.GetBuffer()
-			payload[fuaHeaderSize-1] = naluRefIdc | fragmentedNaluType
-			buffer.Write(payload)
-		} else if payload[1]&fuaEndBitmask != 0 {
-			pack.Payload = video.Bytes()[fuaHeaderSize-1:]
-			vt.Push(pack)
+								if nalu[1]&fuaStartBitmask != 0 {
+									naluRefIdc := nalu[0] & naluRefIdcBitmask
+									fragmentedNaluType := nalu[1] & naluTypeBitmask
+									nalu[fuaHeaderSize-1] = naluRefIdc | fragmentedNaluType
+									fuaBuffer.Write(nalu)
+								} else if nalu[1]&fuaEndBitmask != 0 {
+									p := pack.Clone()
+									p.NALUs = [][]byte{fuaBuffer.Bytes()[fuaHeaderSize-1:]}
+									fuaBuffer = bytes.NewBuffer([]byte{})
+									vt.PushNalu(p)
 								} else {
-			video.Write(payload[fuaHeaderSize:])
-		}
-
-	case codec.NALU_SPS:
-		vt.SPS = payload
-		vt.SPSInfo, _ = codec.ParseSPS(payload)
-	case codec.NALU_PPS:
-		vt.PPS = payload
-		if vt.RtmpTag == nil {
-			vt.SetRtmpTag()
+									fuaBuffer.Write(nalu[fuaHeaderSize:])
 								}
 							case codec.NALU_Access_Unit_Delimiter:
-
 							case codec.NALU_IDR_Picture:
-		vt.revIDR()
-		fallthrough
+								p := pack.Clone()
+								p.IDR = true
+								p.NALUs = [][]byte{nalu}
+								vt.push(p)
 							case codec.NALU_Non_IDR_Picture:
-		video.Payload = payload
-		vt.Track_Video.GetBPS(payloadLen)
-		vbr.NextW()
+								nonIDRs = append(nonIDRs, nalu)
 							case codec.NALU_SEI:
 							case codec.NALU_Filler_Data:
 							default:
-		utils.Printf("nalType not support yet:%d", video.NalType)
+								utils.Printf("nalType not support yet:%d", naluType)
+							}
+							if len(nonIDRs) > 0 {
+								pack.NALUs = nonIDRs
+								vt.push(pack)
+							}
+						}
+					}
+				}
+			}
+		}
+	case 12:
+		var vps, sps, pps []byte
+		vt.PushNalu = func(pack VideoPack) {
+			// 等待接收SPS和PPS数据
+			for _, nalu := range pack.NALUs {
+				switch nalu[0] & naluTypeBitmask_hevc >> 1 {
+				case codec.NAL_UNIT_VPS:
+					vps = nalu
+				case codec.NAL_UNIT_SPS:
+					sps = nalu
+					vt.SPSInfo, _ = codec.ParseSPS(nalu)
+				case codec.NAL_UNIT_PPS:
+					pps = nalu
+				}
+			}
+			if vps != nil && sps != nil && pps != nil {
+				extraData, err := codec.BuildH265SeqHeaderFromVpsSpsPps(vps, sps, pps)
+				if err != nil {
+					return
+				}
+				vt.ExtraData = &VideoPack{
+					Payload: extraData,
+					NALUs:   [][]byte{vps, sps, pps},
+				}
+				vt.PushNalu = func(pack VideoPack) {
+					var nonIDRs [][]byte
+					for _, nalu := range pack.NALUs {
+						naluType := nalu[0] & naluTypeBitmask_hevc >> 1
+						switch naluType {
+						case codec.NAL_UNIT_CODED_SLICE_BLA,
+							codec.NAL_UNIT_CODED_SLICE_BLANT,
+							codec.NAL_UNIT_CODED_SLICE_BLA_N_LP,
+							codec.NAL_UNIT_CODED_SLICE_IDR,
+							codec.NAL_UNIT_CODED_SLICE_IDR_N_LP,
+							codec.NAL_UNIT_CODED_SLICE_CRA:
+							p := pack.Clone()
+							p.IDR = true
+							p.NALUs = [][]byte{nalu}
+							vt.push(p)
+						case 0, 1, 2, 3, 4, 5, 6, 7, 9:
+							nonIDRs = append(nonIDRs, nalu)
+						}
+					}
+					if len(nonIDRs) > 0 {
+						pack.NALUs = nonIDRs
+						vt.push(pack)
+					}
+				}
+			}
+		}
 	}
 }

-func (vt *VideoTrack) SetRtmpTag() {
-	lenSPS, lenPPS := len(vt.SPS), len(vt.PPS)
-	vt.RtmpTag = append([]byte{}, codec.RTMP_AVC_HEAD...)
-	copy(vt.RtmpTag[6:], vt.SPS[1:4])
-	vt.RtmpTag = append(vt.RtmpTag, 0xE1, byte(lenSPS>>8), byte(lenSPS))
-	vt.RtmpTag = append(vt.RtmpTag, vt.SPS...)
-	vt.RtmpTag = append(append(vt.RtmpTag, 0x01, byte(lenPPS>>8), byte(lenPPS)), vt.PPS...)
+func (vt *VideoTrack) pushByteStream(pack VideoPack) {
+	if pack.Payload[1] != 0 {
+		return
+	} else {
+		vt.CodecID = pack.Payload[0] & 0x0F
+		var nalulenSize int
+		switch vt.CodecID {
+		case 7:
+			var info codec.AVCDecoderConfigurationRecord
+			if _, err := info.Unmarshal(pack.Payload[5:]); err == nil {
+				vt.SPSInfo, _ = codec.ParseSPS(info.SequenceParameterSetNALUnit)
+				pack.NALUs = append(pack.NALUs, info.SequenceParameterSetNALUnit, info.PictureParameterSetNALUnit)
+				nalulenSize = int(info.LengthSizeMinusOne&3 + 1)
+				vt.ExtraData = &pack
+				vt.Stream.VideoTracks.AddTrack("h264", vt)
 			}
-func (vt *VideoTrack) pushRTP0(pack rtp.Packet) {
-	t := pack.Timestamp / 90
-	if t < vt.Buffer.GetLast().Timestamp {
-		if vt.WaitIDR.Err() == nil {
+		case 12:
+			if vps, sps, pps, err := codec.ParseVpsSpsPpsFromSeqHeaderWithoutMalloc(pack.Payload); err == nil {
+				pack.NALUs = append(pack.NALUs, vps, sps, pps)
+				vt.SPSInfo, _ = codec.ParseSPS(sps)
+				nalulenSize = int(pack.Payload[26]) & 0x03
+				vt.ExtraData = &pack
+				vt.Stream.VideoTracks.AddTrack("h265", vt)
+			}
+		}
+		vt.WriteByteStream = func(writer io.Writer, pack VideoPack) {
+			writer.Write(pack.Payload)
+		}
+		// 已完成序列帧组装，重置Push函数，从Payload中提取Nalu供非bytestream格式使用
+		vt.PushByteStream = func(pack VideoPack) {
+			if len(pack.Payload) < 4 {
 				return
 			}
-		//有B帧
-		var tmpVT VideoTrack
-		tmpVT.Buffer = NewRing_Video()
-		tmpVT.revIDR = func() {
-			tmpVT.IDRIndex = tmpVT.Buffer.Index
+			vt.GetBPS(len(pack.Payload))
+			pack.IDR = pack.Payload[0]>>4 == 1
+			pack.CompositionTime = utils.BigEndian.Uint24(pack.Payload[2:])
+			nalus := pack.Payload[5:]
+			for len(nalus) > nalulenSize {
+				nalulen := 0
+				for i := 0; i < nalulenSize; i++ {
+					nalulen += int(nalus[i]) << (8 * (nalulenSize - i - 1))
 				}
-		// tmpVT.pushRTP = func(p rtp.Packet) {
-		// 	tmpVT.Push(VideoPack{Timestamp:p.Timestamp/90,Payload:p.Payload})
-		// }
-		gopBuffer := tmpVT.Buffer //缓存一个GOP用来计算dts
-		var gopFirst byte
-		var tsSlice TSSlice
-		for i := vt.IDRIndex; vt.Buffer.Index != i; i++ {
-			t := vt.Buffer.GetAt(i)
-			c := gopBuffer.Current
-			c.Payload = append(c.Payload, t.Payload...)
-			c.Timestamp = t.Timestamp
-			c.NalType = t.NalType
-			tsSlice = append(tsSlice, gopBuffer.Current.Timestamp)
-			gopBuffer.NextW()
+				pack.NALUs = append(pack.NALUs, nalus[nalulenSize:nalulen+nalulenSize])
+				nalus = nalus[nalulen+nalulenSize:]
 			}
-		vt.pushRTP = func(pack rtp.Packet) {
-			t := pack.Timestamp / 90
-			c := gopBuffer.Current
-			vp := VideoPack{Timestamp: t}
-			vp.Payload = append(vp.Payload, pack.Payload...)
-			tmpVT.Push(vp)
-			if c != gopBuffer.Current {
-				if c.NalType == codec.NALU_IDR_Picture {
-					sort.Sort(tsSlice) //排序后相当于DTS列表
-					var offset uint32
-					for i := 0; i < len(tsSlice); i++ {
-						j := gopFirst + byte(i)
-						f := gopBuffer.GetAt(j)
-						if f.Timestamp+offset < tsSlice[i] {
-							offset = tsSlice[i] - f.Timestamp
+			vt.push(pack)
 		}
 	}
-					for i := 0; i < len(tsSlice); i++ {
-						f := gopBuffer.GetAt(gopFirst + byte(i))
-						f.CompositionTime = f.Timestamp + offset - tsSlice[i]
-						f.Timestamp = tsSlice[i]
-						vt.Push(f.VideoPack)
 }
-					gopFirst = gopBuffer.Index - 1
-					tsSlice = nil
+
+func (vt *VideoTrack) push(pack VideoPack) {
+	if vt.Stream != nil {
+		vt.Stream.Update()
 	}
-				tsSlice = append(tsSlice, t)
+	vbr := vt.Buffer
+	video := vbr.Current
+	if vt.Stream.prePayload > 0 && len(pack.Payload) == 0 {
+		buffer := vbr.GetBuffer()
+		vt.WriteByteStream(buffer, pack)
+		video.VideoPack = pack
+		video.VideoPack.Payload = buffer.Bytes()
+	} else {
+		video.VideoPack = pack
 	}
+	video.Sequence = vt.PacketCount
+	if pack.IDR {
+		vt.revIDR()
 	}
-		vt.pushRTP(pack)
-		return
-	}
-	vt.Push(VideoPack{Timestamp: t, Payload: pack.Payload})
+	vbr.NextW()
 }