配置合并和覆盖

2025-10-06 17:16:55 +08:00 · 2022-02-08 19:31:50 +08:00
parent 1fd7b14bd7
commit f9d0567f45
20 changed files with 530 additions and 350 deletions
--- a/codec/codec.go
+++ b/codec/codec.go
@@ -2,6 +2,7 @@ package codec

 import (
 	"errors"
+
 )

 const (
@@ -134,14 +135,7 @@ type ADTSVariableHeader struct {
 // NumberOfRawDataBlockInFrame, 表示ADTS帧中有number_of_raw_data_blocks_in_frame + 1个AAC原始帧

 // 所以说number_of_raw_data_blocks_in_frame == 0 表示说ADTS帧中有一个AAC数据块并不是说没有。(一个AAC原始帧包含一段时间内1024个采样及相关数据)
-func ADTSToAudioSpecificConfig(data []byte) []byte {
-	profile := ((data[2] & 0xc0) >> 6) + 1
-	sampleRate := (data[2] & 0x3c) >> 2
-	channel := ((data[2] & 0x1) << 2) | ((data[3] & 0xc0) >> 6)
-	config1 := (profile << 3) | ((sampleRate & 0xe) >> 1)
-	config2 := ((sampleRate & 0x1) << 7) | (channel << 3)
-	return []byte{0xAF, 0x00, config1, config2}
-}
+
 func AudioSpecificConfigToADTS(asc AudioSpecificConfig, rawDataLength int) (adts ADTS, adtsByte []byte, err error) {
 	if asc.ChannelConfiguration > 8 || asc.FrameLengthFlag > 13 {
 		err = errors.New("Reserved field.")
@@ -218,3 +212,5 @@ func ParseRTPAAC(payload []byte) (result [][]byte) {
 	}
 	return
 }
+
+
--- a/codec/flv.go
+++ b/codec/flv.go
@@ -108,3 +108,14 @@ func ReadFLVTag(r io.Reader) (t byte, timestamp uint32, payload []byte, err erro
 	}
 	return
 }
+
+func VideoAVCC2FLV(avcc net.Buffers, ts uint32) (flv net.Buffers) {
+	b := util.Buffer(make([]byte, 0, 15))
+	b.WriteByte(FLV_TAG_TYPE_VIDEO)
+	dataSize := util.SizeOfBuffers(avcc)
+	b.WriteUint24(uint32(dataSize))
+	b.WriteUint24(ts)
+	b.WriteByte(byte(ts >> 24))
+	b.WriteUint24(0)
+	return append(append(append(flv, b), avcc...), util.PutBE(b.Malloc(4), dataSize+11))
+}
--- a/common/frame.go
+++ b/common/frame.go
@@ -4,11 +4,12 @@ import (
 	"net"
 	"time"

-	"github.com/Monibuca/engine/v4/util"
+	"github.com/Monibuca/engine/v4/codec"
 	"github.com/pion/rtp"
 )

 type NALUSlice net.Buffers
+
 // type H264Slice NALUSlice
 // type H265Slice NALUSlice

@@ -82,14 +83,8 @@ func (av *AVFrame[T]) AppendRaw(raw ...T) {
 	av.Raw = append(av.Raw, raw...)
 }
 func (av *AVFrame[T]) FillFLV(t byte, ts uint32) {
-	b := util.Buffer(make([]byte, 0, 15))
-	b.WriteByte(t)
-	dataSize := util.SizeOfBuffers(av.AVCC)
-	b.WriteUint24(uint32(dataSize))
-	b.WriteUint24(ts)
-	b.WriteByte(byte(ts >> 24))
-	b.WriteUint24(0)
-	av.FLV = append(append(append(av.FLV, b), av.AVCC...), util.PutBE(b.Malloc(4), dataSize+11))
+	av.FLV = codec.VideoAVCC2FLV(av.AVCC, ts)
+	av.FLV[0][0] = t
 }
 func (av *AVFrame[T]) AppendAVCC(avcc ...[]byte) {
 	av.AVCC = append(av.AVCC, avcc...)
@@ -151,3 +146,8 @@ func (avcc AVCCFrame) AudioCodecID() byte {
 // 	}
 // 	return
 // }
+type DecoderConfiguration[T RawSlice] struct {
+	AVCC T
+	Raw  T
+	FLV  net.Buffers
+}
--- a/config.go
+++ b/config.go
@@ -1,207 +0,0 @@
-package engine
-
-import (
-	"context"
-	"log"
-	"net"
-	"net/http"
-	"reflect"
-	"runtime"
-	"strings"
-	"time"
-
-	"golang.org/x/sync/errgroup"
-)
-
-type Second int
-
-func (s Second) Duration() time.Duration {
-	return time.Duration(s) * time.Second
-}
-
-type PluginConfig interface {
-	Update(Config)
-}
-
-type TCPPluginConfig interface {
-	PluginConfig
-	context.Context
-	ServeTCP(*net.TCPConn)
-}
-
-type HTTPPluginConfig interface {
-	PluginConfig
-	context.Context
-	http.Handler
-}
-
-type Config map[string]any
-
-func (config Config) Unmarshal(s any) {
-	var el reflect.Value
-	if v, ok := s.(reflect.Value); ok {
-		el = v
-	} else {
-		el = reflect.ValueOf(s).Elem()
-	}
-	t := el.Type()
-	for k, v := range config {
-		var fv reflect.Value
-		value := reflect.ValueOf(v)
-		if f, ok := t.FieldByName(strings.ToUpper(k[:1]) + k[1:]); ok {
-			// 兼容首字母大写的属性
-			fv = el.FieldByName(f.Name)
-		} else if f, ok := t.FieldByName(strings.ToUpper(k)); ok {
-			// 兼容全部大写的属性
-			fv = el.FieldByName(f.Name)
-		} else {
-			continue
-		}
-		if t.Kind() == reflect.Slice {
-			l := value.Len()
-			s := reflect.MakeSlice(t.Elem(), l, value.Cap())
-			for i := 0; i < l; i++ {
-				fv := value.Field(i)
-				if fv.Type() == reflect.TypeOf(config) {
-					fv.FieldByName("Unmarshal").Call([]reflect.Value{s.Field(i)})
-				} else {
-					s.Field(i).Set(fv)
-				}
-			}
-			fv.Set(s)
-		} else if child, ok := v.(Config); ok {
-			child.Unmarshal(fv)
-		} else {
-			fv.Set(value)
-		}
-	}
-}
-
-func (config Config) Assign(source Config) {
-	for k, v := range source {
-		m, isMap := v.(map[string]any)
-		if _, ok := config[k]; !ok || !isMap {
-			config[k] = v
-		} else {
-			Config(config[k].(map[string]any)).Assign(m)
-		}
-	}
-}
-
-func (config Config) Has(key string) (ok bool) {
-	if config == nil {
-		return
-	}
-	_, ok = config[key]
-	return
-}
-
-type TCPConfig struct {
-	ListenAddr string
-	ListenNum  int //同时并行监听数量，0为CPU核心数量
-}
-
-func (tcp *TCPConfig) 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 tempDelay == 0 {
-					tempDelay = 5 * time.Millisecond
-				} else {
-					tempDelay *= 2
-				}
-				if max := 1 * time.Second; tempDelay > max {
-					tempDelay = max
-				}
-				log.Printf("%s: Accept error: %v; retrying in %v", tcp.ListenAddr, err, tempDelay)
-				time.Sleep(tempDelay)
-				continue
-			}
-			return
-		}
-		conn.(*net.TCPConn).SetNoDelay(false)
-		tempDelay = 0
-		go handler(conn.(*net.TCPConn))
-	}
-}
-func (tcp *TCPConfig) Listen(plugin TCPPluginConfig) error {
-	l, err := net.Listen("tcp", tcp.ListenAddr)
-	if err != nil {
-		return err
-	}
-	count := tcp.ListenNum
-	if count == 0 {
-		count = runtime.NumCPU()
-	}
-	for i := 0; i < count; i++ {
-		go tcp.listen(l, plugin.ServeTCP)
-	}
-	<-plugin.Done()
-	return l.Close()
-}
-
-type HTTPConfig struct {
-	ListenAddr    string
-	ListenAddrTLS string
-	CertFile      string
-	KeyFile       string
-	CORS          bool //是否自动添加CORS头
-}
-
-// ListenAddrs Listen http and https
-func (config *HTTPConfig) Listen(plugin HTTPPluginConfig) error {
-	var g errgroup.Group
-	if config.ListenAddrTLS != "" {
-		g.Go(func() error {
-			return http.ListenAndServeTLS(config.ListenAddrTLS, config.CertFile, config.KeyFile, plugin)
-		})
-	}
-	if config.ListenAddr != "" {
-		g.Go(func() error { return http.ListenAndServe(config.ListenAddr, plugin) })
-	}
-	g.Go(func() error {
-		<-plugin.Done()
-		return plugin.Err()
-	})
-	return g.Wait()
-}
-
-type PublishConfig struct {
-	PubAudio         bool
-	PubVideo         bool
-	KillExit         bool   // 是否踢掉已经存在的发布者
-	PublishTimeout   Second // 发布无数据超时
-	WaitCloseTimeout Second // 延迟自动关闭（无订阅时）
-}
-
-type SubscribeConfig struct {
-	SubAudio    bool
-	SubVideo    bool
-	IFrameOnly  bool   // 只要关键帧
-	WaitTimeout Second // 等待流超时
-}
-
-type PullConfig struct {
-	AutoReconnect   bool              // 自动重连
-	PullOnStart     bool              // 启动时拉流
-	PullOnSubscribe bool              // 订阅时自动拉流
-	AutoPullList    map[string]string // 自动拉流列表
-}
-
-type PushConfig struct {
-	AutoPushList map[string]string // 自动推流列表
-}
-
-type EngineConfig struct {
-	*http.ServeMux
-	context.Context
-	Publish    PublishConfig
-	Subscribe  SubscribeConfig
-	HTTP       HTTPConfig
-	RTPReorder bool
-	EnableAVCC bool //启用AVCC格式，rtmp协议使用
-	EnableRTP  bool //启用RTP格式，rtsp、gb18181等协议使用
-	EnableFLV  bool //开启FLV格式，hdl协议使用
-}
--- a/config/config.go
+++ b/config/config.go
@@ -0,0 +1,151 @@
+package config
+
+import (
+	"net"
+	"net/http"
+	"reflect"
+	"strings"
+	"time"
+)
+
+type Config map[string]any
+
+type Second int
+
+func (s Second) Duration() time.Duration {
+	return time.Duration(s) * time.Second
+}
+
+type Plugin interface {
+	Update(Config)
+}
+
+type TCPPlugin interface {
+	Plugin
+	ServeTCP(*net.TCPConn)
+}
+
+type HTTPPlugin interface {
+	Plugin
+	http.Handler
+}
+
+func (config Config) Unmarshal(s any) {
+	if s == nil {
+		return
+	}
+	var el reflect.Value
+	if v, ok := s.(reflect.Value); ok {
+		el = v
+	} else {
+		el = reflect.ValueOf(s)
+	}
+	if el.Kind() == reflect.Pointer {
+		el = el.Elem()
+	}
+	t := el.Type()
+
+	//字段映射，小写对应的大写
+	nameMap := make(map[string]string)
+	for i, j := 0, t.NumField(); i < j; i++ {
+		name := t.Field(i).Name
+		nameMap[strings.ToLower(name)] = name
+	}
+	for k, v := range config {
+		value := reflect.ValueOf(v)
+		// 需要被写入的字段
+		fv := el.FieldByName(nameMap[k])
+		if t.Kind() == reflect.Slice {
+			l := value.Len()
+			s := reflect.MakeSlice(t.Elem(), l, value.Cap())
+			for i := 0; i < l; i++ {
+				fv := value.Field(i)
+				if fv.Type() == reflect.TypeOf(config) {
+					fv.FieldByName("Unmarshal").Call([]reflect.Value{s.Field(i)})
+				} else {
+					s.Field(i).Set(fv)
+				}
+			}
+			fv.Set(s)
+		} else if child, ok := v.(Config); ok {
+			child.Unmarshal(fv)
+		} else {
+			fv.Set(value)
+		}
+	}
+}
+
+// 覆盖配置
+func (config Config) Assign(source Config) {
+	for k, v := range source {
+		switch m := config[k].(type) {
+		case Config:
+			m.Assign(v.(Config))
+		default:
+			config[k] = v
+		}
+	}
+}
+
+// 合并配置，不覆盖
+func (config Config) Merge(source Config) {
+	for k, v := range source {
+		if _, ok := config[k]; !ok {
+			switch m := config[k].(type) {
+			case Config:
+				m.Merge(v.(Config))
+			default:
+				config[k] = v
+			}
+		}
+	}
+}
+
+func (config Config) Set(key string, value any) {
+	config[strings.ToLower(key)] = value
+}
+
+func (config Config) Has(key string) (ok bool) {
+	_, ok = config[strings.ToLower(key)]
+	return
+}
+
+func (config Config) HasChild(key string) (ok bool) {
+	_, ok = config[strings.ToLower(key)].(Config)
+	return ok
+}
+
+func (config Config) GetChild(key string) Config {
+	return config[strings.ToLower(key)].(Config)
+}
+
+func Struct2Config(s any) (config Config) {
+	var t reflect.Type
+	var v reflect.Value
+	if vv, ok := s.(reflect.Value); ok {
+		v = vv
+		t = vv.Type()
+	} else {
+		t = reflect.TypeOf(s)
+		v = reflect.ValueOf(s)
+		if t.Kind() == reflect.Pointer {
+			v = v.Elem()
+			t = t.Elem()
+		}
+	}
+	for i, j := 0, t.NumField(); i < j; i++ {
+		ft := t.Field(i)
+		switch ft.Type.Kind() {
+		case reflect.Struct:
+			config[ft.Name] = Struct2Config(v.Field(i))
+		case reflect.Slice:
+			fallthrough
+		default:
+			if config == nil {
+				config = make(Config)
+			}
+			reflect.ValueOf(config).SetMapIndex(reflect.ValueOf(strings.ToLower(ft.Name)), v.Field(i))
+		}
+	}
+	return
+}
--- a/config/http.go
+++ b/config/http.go
@@ -0,0 +1,34 @@
+package config
+
+import (
+	"context"
+	"net/http"
+
+	"golang.org/x/sync/errgroup"
+)
+
+type HTTP struct {
+	ListenAddr    string
+	ListenAddrTLS string
+	CertFile      string
+	KeyFile       string
+	CORS          bool //是否自动添加CORS头
+}
+
+// ListenAddrs Listen http and https
+func (config *HTTP) Listen(ctx context.Context, plugin HTTPPlugin) error {
+	var g errgroup.Group
+	if config.ListenAddrTLS != "" {
+		g.Go(func() error {
+			return http.ListenAndServeTLS(config.ListenAddrTLS, config.CertFile, config.KeyFile, plugin)
+		})
+	}
+	if config.ListenAddr != "" {
+		g.Go(func() error { return http.ListenAndServe(config.ListenAddr, plugin) })
+	}
+	g.Go(func() error {
+		<-ctx.Done()
+		return ctx.Err()
+	})
+	return g.Wait()
+}
--- a/config/tcp.go
+++ b/config/tcp.go
@@ -0,0 +1,55 @@
+package config
+
+import (
+	"context"
+	"log"
+	"net"
+	"runtime"
+	"time"
+)
+
+type TCP struct {
+	ListenAddr string
+	ListenNum  int //同时并行监听数量，0为CPU核心数量
+}
+
+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 tempDelay == 0 {
+					tempDelay = 5 * time.Millisecond
+				} else {
+					tempDelay *= 2
+				}
+				if max := 1 * time.Second; tempDelay > max {
+					tempDelay = max
+				}
+				log.Printf("%s: Accept error: %v; retrying in %v", tcp.ListenAddr, err, tempDelay)
+				time.Sleep(tempDelay)
+				continue
+			}
+			return
+		}
+		conn.(*net.TCPConn).SetNoDelay(false)
+		tempDelay = 0
+		go handler(conn.(*net.TCPConn))
+	}
+}
+func (tcp *TCP) Listen(ctx context.Context, plugin TCPPlugin) error {
+	l, err := net.Listen("tcp", tcp.ListenAddr)
+	if err != nil {
+		return err
+	}
+	count := tcp.ListenNum
+	if count == 0 {
+		count = runtime.NumCPU()
+	}
+	for i := 0; i < count; i++ {
+		go tcp.listen(l, plugin.ServeTCP)
+	}
+	<-ctx.Done()
+	return l.Close()
+}
--- a/config/types.go
+++ b/config/types.go
@@ -0,0 +1,48 @@
+package config
+
+type Publish struct {
+	PubAudio         bool
+	PubVideo         bool
+	KillExit         bool   // 是否踢掉已经存在的发布者
+	PublishTimeout   Second // 发布无数据超时
+	WaitCloseTimeout Second // 延迟自动关闭（无订阅时）
+}
+
+type Subscribe struct {
+	SubAudio    bool
+	SubVideo    bool
+	IFrameOnly  bool   // 只要关键帧
+	WaitTimeout Second // 等待流超时
+}
+
+type Pull struct {
+	AutoReconnect   bool              // 自动重连
+	PullOnStart     bool              // 启动时拉流
+	PullOnSubscribe bool              // 订阅时自动拉流
+	AutoPullList    map[string]string // 自动拉流列表
+}
+
+type Push struct {
+	AutoPushList map[string]string // 自动推流列表
+}
+
+type Engine struct {
+	Publish
+	Subscribe
+	HTTP
+	RTPReorder bool
+	EnableAVCC bool //启用AVCC格式，rtmp协议使用
+	EnableRTP  bool //启用RTP格式，rtsp、gb18181等协议使用
+	EnableFLV  bool //开启FLV格式，hdl协议使用
+}
+
+func (g *Engine) Update(override Config) {
+	override.Unmarshal(g)
+}
+
+var Global = &Engine{
+	Publish{true, true, false, 10, 10},
+	Subscribe{true, true, false, 10},
+	HTTP{ListenAddr: ":8080", CORS: true},
+	false, true, true, true,
+}
--- a/http.go
+++ b/http.go
@@ -4,31 +4,31 @@ import (
 	"encoding/json"
 	"net/http"

+	"github.com/Monibuca/engine/v4/config"
 	"github.com/Monibuca/engine/v4/util"
 	. "github.com/logrusorgru/aurora"
 )

-func (config *EngineConfig) Update(override Config) {
-	override.Unmarshal(config)
-	if config.Context == nil {
-		config.Context = Ctx
-		handleFunc("/sysInfo", sysInfo)
-		handleFunc("/closeStream", closeStream)
-		util.Print(Green("api server start at "), BrightBlue(config.HTTP.ListenAddr), BrightBlue(config.HTTP.ListenAddrTLS))
-		config.HTTP.Listen(config)
-	}
+type GlobalConfig struct {
+	*http.ServeMux
+	*config.Engine
 }

-func handleFunc(pattern string, handler func(http.ResponseWriter, *http.Request)) {
-	config.HandleFunc("/api"+pattern, func(rw http.ResponseWriter, r *http.Request) {
-		if config.HTTP.CORS {
-			util.CORS(rw, r)
-		}
-		handler(rw, r)
-	})
+func (cfg *GlobalConfig) Update(override config.Config) {
+	cfg.Engine.Update(override)
+	Engine.RawConfig = config.Struct2Config(cfg.Engine)
+	util.Print(Green("api server start at "), BrightBlue(cfg.ListenAddr), BrightBlue(cfg.ListenAddrTLS))
+	cfg.Listen(Engine, cfg)
 }

-func closeStream(w http.ResponseWriter, r *http.Request) {
+func (config *GlobalConfig) API_sysInfo(rw http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(rw).Encode(&struct {
+		Version   string
+		StartTime string
+	}{Engine.Version, StartTime.Format("2006-01-02 15:04:05")})
+}
+
+func (config *GlobalConfig) API_closeStream(w http.ResponseWriter, r *http.Request) {
 	if streamPath := r.URL.Query().Get("stream"); streamPath != "" {
 		if s := Streams.Get(streamPath); s != nil {
 			s.Close()
@@ -40,9 +40,3 @@ func closeStream(w http.ResponseWriter, r *http.Request) {
 		w.Write([]byte("no query stream"))
 	}
 }
-func sysInfo(w http.ResponseWriter, r *http.Request) {
-	json.NewEncoder(w).Encode(&struct {
-		Version   string
-		StartTime string
-	}{Version, StartTime.Format("2006-01-02 15:04:05")})
-}
--- a/main.go
+++ b/main.go
@@ -13,6 +13,7 @@ import (
 	"strings"
 	"time" // colorable

+	"github.com/Monibuca/engine/v4/config"
 	"github.com/Monibuca/engine/v4/util"
 	"github.com/google/uuid"

@@ -20,37 +21,25 @@ import (
 	"gopkg.in/yaml.v3"
 )

-var Version = "4.0.0"
-
 var (
-	DefaultPublishConfig = PublishConfig{
-		true, true, false, 10, 10,
-	}
-	DefaultSubscribeConfig = SubscribeConfig{
-		true, true, false, 10,
-	}
-	config = &EngineConfig{
-		http.NewServeMux(),
-		Ctx,
-		DefaultPublishConfig,
-		DefaultSubscribeConfig,
-		HTTPConfig{ListenAddr: ":8080", CORS: true},
-		false, true, true, true,
-	}
 	// ConfigRaw 配置信息的原始数据
 	ConfigRaw    []byte
 	StartTime    time.Time                  //启动时间
 	Plugins      = make(map[string]*Plugin) // Plugins 所有的插件配置
-	Ctx        context.Context
 	settingDir   string
+	EngineConfig = &GlobalConfig{
+		Engine:   config.Global,
+		ServeMux: http.NewServeMux(),
+	}
+	Engine = InstallPlugin(EngineConfig)
 )

-func InstallPlugin(config PluginConfig) *Plugin {
-	name := strings.TrimSuffix(reflect.TypeOf(config).Elem().Name(), "Config")
+func InstallPlugin[T config.Plugin](config T) *Plugin {
+	t := reflect.TypeOf(config).Elem()
+	name := strings.TrimSuffix(t.Name(), "Config")
 	plugin := &Plugin{
 		Name:   name,
 		Config: config,
-		Modified: make(Config),
 	}
 	_, pluginFilePath, _, _ := runtime.Caller(1)
 	configDir := filepath.Dir(pluginFilePath)
@@ -65,24 +54,20 @@ func InstallPlugin(config PluginConfig) *Plugin {
 	return plugin
 }

-// Plugin 插件配置定义
+// Plugin 插件信息
 type Plugin struct {
+	context.Context    `json:"-"`
+	context.CancelFunc `json:"-"`
 	Name               string        //插件名称
-	Config    PluginConfig //插件配置
+	Config             config.Plugin //插件配置
 	Version            string        //插件版本
-	RawConfig Config       //配置的map形式方便查询
-	Modified  Config       //修改过的配置项
-}
-
-func init() {
-	if parts := strings.Split(util.CurrentDir(), "@"); len(parts) > 1 {
-		Version = parts[len(parts)-1]
-	}
+	RawConfig          config.Config //配置的map形式方便查询
+	Modified           config.Config //修改过的配置项
 }

 // Run 启动Monibuca引擎
 func Run(ctx context.Context, configFile string) (err error) {
-	Ctx = ctx
+	Engine.Context = ctx
 	if err := util.CreateShutdownScript(); err != nil {
 		log.Print(Red("create shutdown script error:"), err)
 	}
@@ -95,29 +80,24 @@ func Run(ctx context.Context, configFile string) (err error) {
 		log.Print(Red("create dir .m7s error:"), err)
 		return
 	}
-	util.Print(BgGreen(Black("Ⓜ starting m7s ")), BrightBlue(Version))
-	var cg Config
-	var engineCg Config
+	util.Print(BgGreen(White("Ⓜ starting m7s ")))
+	var cg config.Config
 	if ConfigRaw != nil {
 		if err = yaml.Unmarshal(ConfigRaw, &cg); err == nil {
-			if cfg, ok := cg["engine"]; ok {
-				engineCg = cfg.(Config)
+			Engine.RawConfig = cg.GetChild("global")
 		}
 	}
-	}
-	go config.Update(engineCg)
+	Engine.registerHandler()
+	go EngineConfig.Update(Engine.RawConfig)
 	for name, config := range Plugins {
-		if v, ok := cg[strings.ToLower(name)]; ok {
-			config.RawConfig = v.(Config)
+		config.RawConfig = cg.GetChild(name)
+		config.assign()
 	}
-		config.merge()
-	}
-
 	UUID := uuid.NewString()
 	reportTimer := time.NewTimer(time.Minute)
 	req, _ := http.NewRequestWithContext(ctx, http.MethodGet, "http://monibuca.com:2022/report/engine", nil)
 	req.Header.Set("os", runtime.GOOS)
-	req.Header.Set("version", Version)
+	req.Header.Set("version", Engine.Version)
 	req.Header.Set("uuid", UUID)
 	var c http.Client
 	for {
@@ -132,13 +112,19 @@ func Run(ctx context.Context, configFile string) (err error) {
 }

 func (opt *Plugin) HandleFunc(pattern string, handler func(http.ResponseWriter, *http.Request)) {
+	if opt == nil {
+		return
+	}
 	var cors bool
 	if v, ok := opt.RawConfig["cors"]; ok {
 		cors = v.(bool)
-	} else if config.HTTP.CORS {
+	} else if EngineConfig.CORS {
 		cors = true
 	}
-	config.HandleFunc("/"+strings.ToLower(opt.Name)+pattern, func(rw http.ResponseWriter, r *http.Request) {
+	if opt != Engine {
+		pattern = "/" + strings.ToLower(opt.Name) + pattern
+	}
+	Engine.HandleFunc(pattern, func(rw http.ResponseWriter, r *http.Request) {
 		if cors {
 			util.CORS(rw, r)
 		}
@@ -147,11 +133,16 @@ func (opt *Plugin) HandleFunc(pattern string, handler func(http.ResponseWriter,
 }

 func (opt *Plugin) HandleApi(pattern string, handler func(http.ResponseWriter, *http.Request)) {
-	opt.HandleFunc("/api"+pattern, handler)
+	if opt == nil {
+		return
+	}
+	pattern = "/api" + pattern
+	util.Println("http handle added:", pattern)
+	opt.HandleFunc(pattern, handler)
 }

 // 读取独立配置合并入总配置中
-func (opt *Plugin) merge() {
+func (opt *Plugin) assign() {
 	f, err := os.Open(opt.settingPath())
 	if err == nil {
 		if err = yaml.NewDecoder(f).Decode(&opt.Modified); err == nil {
@@ -162,8 +153,45 @@ func (opt *Plugin) merge() {
 			}
 		}
 	}
+	t := reflect.TypeOf(opt.Config).Elem()
+	// 用全局配置覆盖没有设置的配置
+	for i, j := 0, t.NumField(); i < j; i++ {
+		fname := t.Field(i).Name
+		if Engine.RawConfig.Has(fname) {
+			if !opt.RawConfig.Has(fname) {
+				opt.RawConfig.Set(fname, Engine.RawConfig[fname])
+			} else if opt.RawConfig.HasChild(fname) {
+				opt.RawConfig.GetChild(fname).Merge(Engine.RawConfig.GetChild(fname))
+			}
+		}
+	}
+	opt.registerHandler()
+	opt.Update()
+}
+
+func (opt *Plugin) Update() {
+	if opt.CancelFunc != nil {
+		opt.CancelFunc()
+	}
+	opt.Context, opt.CancelFunc = context.WithCancel(Engine)
 	go opt.Config.Update(opt.RawConfig)
 }
+
+func (opt *Plugin) registerHandler() {
+	t := reflect.TypeOf(opt.Config).Elem()
+	v := reflect.ValueOf(opt.Config).Elem()
+	// 注册http响应
+	for i, j := 0, t.NumMethod(); i < j; i++ {
+		mt := t.Method(i)
+		if strings.HasPrefix(mt.Name, "API") {
+			parts := strings.Split(mt.Name, "_")
+			parts[0] = ""
+			patten := reflect.ValueOf(strings.Join(parts, "/"))
+			reflect.ValueOf(opt.HandleApi).Call([]reflect.Value{patten, v.Method(i)})
+		}
+	}
+}
+
 func (opt *Plugin) settingPath() string {
 	return filepath.Join(settingDir, strings.ToLower(opt.Name)+".yaml")
 }
--- a/publisher.go
+++ b/publisher.go
@@ -1,8 +1,11 @@
 package engine

 import (
+	"io"
 	"net/url"
 	"time"
+
+	"github.com/Monibuca/engine/v4/config"
 )

 type IPublisher interface {
@@ -12,26 +15,28 @@ type IPublisher interface {

 type Publisher struct {
 	Type    string
-	PullURL *url.URL
 	*Stream `json:"-"`
-	Config  PublishConfig
 }

-func (pub *Publisher) Publish(streamPath string, realPub IPublisher) bool {
+func (pub *Publisher) Publish(streamPath string, realPub IPublisher, config config.Publish) bool {
 	Streams.Lock()
 	defer Streams.Unlock()
 	s, created := findOrCreateStream(streamPath, time.Second)
 	if s.IsClosed() {
 		return false
 	}
-	if s.Publisher != nil && pub.Config.KillExit {
+	if s.Publisher != nil {
+		if config.KillExit {
 			s.Publisher.Close()
+		} else {
+			return false
+		}
 	}
 	pub.Stream = s
 	s.Publisher = realPub
 	if created {
-		s.PublishTimeout = pub.Config.PublishTimeout.Duration()
-		s.WaitCloseTimeout = pub.Config.WaitCloseTimeout.Duration()
+		s.PublishTimeout = config.PublishTimeout.Duration()
+		s.WaitCloseTimeout = config.WaitCloseTimeout.Duration()
 		go s.run()
 	}
 	s.actionChan <- PublishAction{}
@@ -41,3 +46,14 @@ func (pub *Publisher) Publish(streamPath string, realPub IPublisher) bool {
 func (pub *Publisher) OnStateChange(oldState StreamState, newState StreamState) bool {
 	return true
 }
+
+// 用于远程拉流的发布者
+type Puller struct {
+	Publisher
+	RemoteURL *url.URL
+	io.ReadCloser
+}
+
+func (puller *Puller) Close() {
+	puller.ReadCloser.Close()
+}
--- a/stream.go
+++ b/stream.go
@@ -65,6 +65,17 @@ var StreamFSM = [STATE_DESTROYED + 1]map[StreamAction]StreamState{
 // Streams 所有的流集合
 var Streams = util.Map[string, *Stream]{Map: make(map[string]*Stream)}

+func FilterStreams[T IPublisher]() (ss []*Stream) {
+	Streams.RLock()
+	defer Streams.RUnlock()
+	for _, s := range Streams.Map {
+		if _, ok := s.Publisher.(T); ok {
+			ss = append(ss, s)
+		}
+	}
+	return
+}
+
 type UnSubscibeAction *Subscriber
 type PublishAction struct{}
 type UnPublishAction struct{}
@@ -125,7 +136,7 @@ func findOrCreateStream(streamPath string, waitTimeout time.Duration) (s *Stream
 		s.actionChan = make(chan any, 1)
 		s.StartTime = time.Now()
 		s.timeout = time.NewTimer(waitTimeout)
-		s.Context, s.cancel = context.WithCancel(Ctx)
+		s.Context, s.cancel = context.WithCancel(Engine)
 		s.Init(s)
 		return s, true
 	}
--- a/subscriber.go
+++ b/subscriber.go
@@ -6,6 +6,7 @@ import (
 	"time"

 	. "github.com/Monibuca/engine/v4/common"
+	"github.com/Monibuca/engine/v4/config"
 	"github.com/Monibuca/engine/v4/track"
 )

@@ -16,7 +17,7 @@ type VideoFrame AVFrame[NALUSlice]
 type Subscriber struct {
 	context.Context `json:"-"`
 	cancel          context.CancelFunc
-	Config          SubscribeConfig
+	Config          config.Subscribe
 	Stream          *Stream `json:"-"`
 	ID              string
 	TotalDrop       int //总丢帧
@@ -39,7 +40,7 @@ func (s *Subscriber) Close() {
 }

 //Subscribe 开始订阅 将Subscriber与Stream关联
-func (sub *Subscriber) Subscribe(streamPath string, config SubscribeConfig) bool {
+func (sub *Subscriber) Subscribe(streamPath string, config config.Subscribe) bool {
 	Streams.Lock()
 	defer Streams.Unlock()
 	s, created := findOrCreateStream(streamPath, config.WaitTimeout.Duration())
--- a/track/aac.go
+++ b/track/aac.go
@@ -1,6 +1,7 @@
 package track

 import (
+	"net"
 	"time"

 	"github.com/Monibuca/engine/v4/codec"
@@ -21,8 +22,7 @@ type AAC Audio

 func (aac *AAC) WriteAVCC(ts uint32, frame AVCCFrame) {
 	if frame.IsSequence() {
-		aac.DecoderConfiguration.Reset()
-		aac.DecoderConfiguration.AppendAVCC(frame)
+		aac.DecoderConfiguration.AVCC = AudioSlice(frame)
 		config1, config2 := frame[2], frame[3]
 		//audioObjectType = (config1 & 0xF8) >> 3
 		// 1 AAC MAIN 	ISO/IEC 14496-3 subpart 4
@@ -31,8 +31,8 @@ func (aac *AAC) WriteAVCC(ts uint32, frame AVCCFrame) {
 		// 4 AAC LTP 	ISO/IEC 14496-3 subpart 4
 		aac.Channels = ((config2 >> 3) & 0x0F) //声道
 		aac.SampleRate = uint32(codec.SamplingFrequencies[((config1&0x7)<<1)|(config2>>7)])
-		aac.DecoderConfiguration.AppendRaw(AudioSlice(frame[2:]))
-		aac.DecoderConfiguration.FillFLV(codec.FLV_TAG_TYPE_AUDIO, 0)
+		aac.DecoderConfiguration.Raw = AudioSlice(frame[2:])
+		aac.DecoderConfiguration.FLV = net.Buffers{adcflv1, frame, adcflv2}
 	} else {
 		(*Audio)(aac).WriteAVCC(ts, frame)
 	}
--- a/track/audio.go
+++ b/track/audio.go
@@ -1,6 +1,7 @@
 package track

 import (
+	"net"
 	"strings"

 	"github.com/Monibuca/engine/v4/codec"
@@ -8,6 +9,9 @@ import (
 	"github.com/Monibuca/engine/v4/util"
 )

+var adcflv1 = []byte{codec.FLV_TAG_TYPE_AUDIO, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0}
+var adcflv2 = []byte{0, 0, 0, 15}
+
 type Audio struct {
 	Media[AudioSlice]
 	Channels byte
@@ -36,12 +40,18 @@ func (at *Audio) Play(onAudio func(*AVFrame[AudioSlice]) error) {
 	}
 }
 func (at *Audio) WriteADTS(adts []byte) {
-	at.SampleRate = uint32(codec.SamplingFrequencies[(adts[2]&0x3c)>>2])
-	at.Channels = ((adts[2] & 0x1) << 2) | ((adts[3] & 0xc0) >> 6)
-	at.DecoderConfiguration.AppendAVCC(codec.ADTSToAudioSpecificConfig(adts))
-	at.DecoderConfiguration.AppendRaw(at.DecoderConfiguration.AVCC[0][2:])
-	at.DecoderConfiguration.FillFLV(codec.FLV_TAG_TYPE_AUDIO, 0)
+	profile := ((adts[2] & 0xc0) >> 6) + 1
+	sampleRate := (adts[2] & 0x3c) >> 2
+	channel := ((adts[2] & 0x1) << 2) | ((adts[3] & 0xc0) >> 6)
+	config1 := (profile << 3) | ((sampleRate & 0xe) >> 1)
+	config2 := ((sampleRate & 0x1) << 7) | (channel << 3)
+	at.SampleRate = uint32(codec.SamplingFrequencies[sampleRate])
+	at.Channels = channel
+	at.DecoderConfiguration.AVCC = []byte{0xAF, 0x00, config1, config2}
+	at.DecoderConfiguration.Raw = at.DecoderConfiguration.AVCC[:2]
+	at.DecoderConfiguration.FLV = net.Buffers{adcflv1, at.DecoderConfiguration.AVCC, adcflv2}
 }
+
 func (at *Audio) WriteAVCC(ts uint32, frame AVCCFrame) {
 	at.Media.WriteAVCC(ts, frame)
 	at.Flush()
--- a/track/base.go
+++ b/track/base.go
@@ -29,7 +29,7 @@ type Media[T RawSlice] struct {
 	CodecID              byte
 	SampleRate           uint32
 	SampleSize           byte
-	DecoderConfiguration AVFrame[T] `json:"-"` //H264(SPS、PPS) H265(VPS、SPS、PPS) AAC(config)
+	DecoderConfiguration DecoderConfiguration[T] `json:"-"` //H264(SPS、PPS) H265(VPS、SPS、PPS) AAC(config)
 	util.BytesPool                  //无锁内存池，用于发布者（在同一个协程中）复用小块的内存，通常是解包时需要临时使用
 	lastAvccTS           uint32     //上一个avcc帧的时间戳
 }
--- a/track/h264.go
+++ b/track/h264.go
@@ -28,20 +28,29 @@ func (vt *H264) WriteAnnexB(pts uint32, dts uint32, frame AnnexBFrame) {
 func (vt *H264) WriteSlice(slice NALUSlice) {
 	switch slice.H264Type() {
 	case codec.NALU_SPS:
-		vt.DecoderConfiguration.Reset()
-		vt.DecoderConfiguration.AppendRaw(slice)
+		if len(vt.DecoderConfiguration.Raw) > 0 {
+			vt.DecoderConfiguration.Raw = vt.DecoderConfiguration.Raw[:0]
+		}
+		vt.DecoderConfiguration.Raw = append(vt.DecoderConfiguration.Raw, slice[0])
 	case codec.NALU_PPS:
-		vt.DecoderConfiguration.AppendRaw(slice)
+		vt.DecoderConfiguration.Raw = append(vt.DecoderConfiguration.Raw, slice[0])
 		vt.SPSInfo, _ = codec.ParseSPS(slice[0])
-		lenSPS := util.SizeOfBuffers(net.Buffers(vt.DecoderConfiguration.Raw[0]))
-		lenPPS := util.SizeOfBuffers(net.Buffers(vt.DecoderConfiguration.Raw[1]))
+		if len(vt.DecoderConfiguration.Raw) > 0 {
+			vt.DecoderConfiguration.Raw = vt.DecoderConfiguration.Raw[:0]
+		}
+		lenSPS := len(vt.DecoderConfiguration.Raw[0])
+		lenPPS := len(vt.DecoderConfiguration.Raw[1])
+		if len(vt.DecoderConfiguration.AVCC) > 0 {
+			vt.DecoderConfiguration.AVCC = vt.DecoderConfiguration.AVCC[:0]
+		}
 		if lenSPS > 3 {
-			vt.DecoderConfiguration.AppendAVCC(codec.RTMP_AVC_HEAD[:6], vt.DecoderConfiguration.Raw[0][0][1:4])
+			vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, codec.RTMP_AVC_HEAD[:6], vt.DecoderConfiguration.Raw[0][1:4])
 		} else {
-			vt.DecoderConfiguration.AppendAVCC(codec.RTMP_AVC_HEAD)
+			vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, codec.RTMP_AVC_HEAD)
 		}
 		tmp := []byte{0xE1, 0, 0, 0x01, 0, 0}
-		vt.DecoderConfiguration.AppendAVCC(tmp[:1], util.PutBE(tmp[1:3], lenSPS), vt.DecoderConfiguration.Raw[0][0], tmp[3:4], util.PutBE(tmp[3:6], lenPPS), vt.DecoderConfiguration.Raw[1][0])
+		vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, tmp[:1], util.PutBE(tmp[1:3], lenSPS), vt.DecoderConfiguration.Raw[0], tmp[3:4], util.PutBE(tmp[3:6], lenPPS), vt.DecoderConfiguration.Raw[1])
+		vt.DecoderConfiguration.FLV = codec.VideoAVCC2FLV(net.Buffers(vt.DecoderConfiguration.AVCC), 0)
 	case codec.NALU_IDR_Picture:
 		vt.Value.IFrame = true
 		fallthrough
@@ -53,16 +62,17 @@ func (vt *H264) WriteSlice(slice NALUSlice) {

 func (vt *H264) WriteAVCC(ts uint32, frame AVCCFrame) {
 	if frame.IsSequence() {
-		vt.DecoderConfiguration.Reset()
-		vt.DecoderConfiguration.SeqInTrack = vt.Value.SeqInTrack
-		vt.DecoderConfiguration.AppendAVCC(frame)
+		if len(vt.DecoderConfiguration.AVCC) > 0 {
+			vt.DecoderConfiguration.AVCC = vt.DecoderConfiguration.AVCC[:0]
+		}
+		vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, frame)
 		var info codec.AVCDecoderConfigurationRecord
 		if _, err := info.Unmarshal(frame[5:]); err == nil {
 			vt.SPSInfo, _ = codec.ParseSPS(info.SequenceParameterSetNALUnit)
 			vt.nalulenSize = int(info.LengthSizeMinusOne&3 + 1)
-			vt.DecoderConfiguration.AppendRaw(NALUSlice{info.SequenceParameterSetNALUnit}, NALUSlice{info.PictureParameterSetNALUnit})
+			vt.DecoderConfiguration.Raw = NALUSlice{info.SequenceParameterSetNALUnit, info.PictureParameterSetNALUnit}
 		}
-		vt.DecoderConfiguration.FillFLV(codec.FLV_TAG_TYPE_VIDEO, 0)
+		vt.DecoderConfiguration.FLV = codec.VideoAVCC2FLV(net.Buffers(vt.DecoderConfiguration.AVCC), 0)
 	} else {
 		(*Video)(vt).WriteAVCC(ts, frame)
 		vt.Value.IFrame = frame.IsIDR()
--- a/track/h265.go
+++ b/track/h265.go
@@ -1,6 +1,7 @@
 package track

 import (
+	"net"
 	"time"

 	"github.com/Monibuca/engine/v4/codec"
@@ -26,17 +27,23 @@ func (vt *H265) WriteAnnexB(pts uint32, dts uint32, frame AnnexBFrame) {
 func (vt *H265) WriteSlice(slice NALUSlice) {
 	switch slice.H265Type() {
 	case codec.NAL_UNIT_VPS:
-		vt.DecoderConfiguration.Reset()
-		vt.DecoderConfiguration.AppendRaw(slice)
+		if len(vt.DecoderConfiguration.Raw) > 0 {
+			vt.DecoderConfiguration.Raw = vt.DecoderConfiguration.Raw[:0]
+		}
+		vt.DecoderConfiguration.Raw = append(vt.DecoderConfiguration.Raw, slice[0])
 	case codec.NAL_UNIT_SPS:
-		vt.DecoderConfiguration.AppendRaw(slice)
+		vt.DecoderConfiguration.Raw = append(vt.DecoderConfiguration.Raw, slice[0])
 		vt.SPSInfo, _ = codec.ParseHevcSPS(slice[0])
 	case codec.NAL_UNIT_PPS:
-		vt.DecoderConfiguration.AppendRaw(slice)
-		extraData, err := codec.BuildH265SeqHeaderFromVpsSpsPps(vt.DecoderConfiguration.Raw[0][0], vt.DecoderConfiguration.Raw[1][0], vt.DecoderConfiguration.Raw[2][0])
+		vt.DecoderConfiguration.Raw = append(vt.DecoderConfiguration.Raw, slice[0])
+		extraData, err := codec.BuildH265SeqHeaderFromVpsSpsPps(vt.DecoderConfiguration.Raw[0], vt.DecoderConfiguration.Raw[1], vt.DecoderConfiguration.Raw[2])
 		if err == nil {
-			vt.DecoderConfiguration.AppendAVCC(extraData)
+			if len(vt.DecoderConfiguration.AVCC) > 0 {
+				vt.DecoderConfiguration.AVCC = vt.DecoderConfiguration.AVCC[:0]
 			}
+			vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, extraData)
+		}
+		vt.DecoderConfiguration.FLV = codec.VideoAVCC2FLV(net.Buffers(vt.DecoderConfiguration.AVCC), 0)
 	case
 		codec.NAL_UNIT_CODED_SLICE_BLA,
 		codec.NAL_UNIT_CODED_SLICE_BLANT,
@@ -52,15 +59,16 @@ func (vt *H265) WriteSlice(slice NALUSlice) {
 }
 func (vt *H265) WriteAVCC(ts uint32, frame AVCCFrame) {
 	if frame.IsSequence() {
-		vt.DecoderConfiguration.Reset()
-		vt.DecoderConfiguration.SeqInTrack = vt.Value.SeqInTrack
-		vt.DecoderConfiguration.AppendAVCC(frame)
+		if len(vt.DecoderConfiguration.AVCC) > 0 {
+			vt.DecoderConfiguration.AVCC = vt.DecoderConfiguration.AVCC[:0]
+		}
+		vt.DecoderConfiguration.AVCC = append(vt.DecoderConfiguration.AVCC, frame)
 		if vps, sps, pps, err := codec.ParseVpsSpsPpsFromSeqHeaderWithoutMalloc(frame); err == nil {
 			vt.SPSInfo, _ = codec.ParseHevcSPS(frame)
 			vt.nalulenSize = int(frame[26]) & 0x03
-			vt.DecoderConfiguration.AppendRaw(NALUSlice{vps}, NALUSlice{sps}, NALUSlice{pps})
+			vt.DecoderConfiguration.Raw = NALUSlice{vps, sps, pps}
 		}
-		vt.DecoderConfiguration.FillFLV(codec.FLV_TAG_TYPE_VIDEO, 0)
+		vt.DecoderConfiguration.FLV = codec.VideoAVCC2FLV(net.Buffers(vt.DecoderConfiguration.AVCC), 0)
 	} else {
 		(*Video)(vt).WriteAVCC(ts, frame)
 		vt.Value.IFrame = frame.IsIDR()
--- a/util/buffer.go
+++ b/util/buffer.go
@@ -95,6 +95,7 @@ func SizeOfBuffers(buf net.Buffers) (size int) {
 func CutBuffers(buf net.Buffers, size int) {

 }
+
 // SplitBuffers 按照一定大小分割 Buffers
 func SplitBuffers(buf net.Buffers, size int) (result []net.Buffers) {
 	for total := SizeOfBuffers(buf); total > 0; {
@@ -122,3 +123,5 @@ func SplitBuffers(buf net.Buffers, size int) (result []net.Buffers) {
 	}
 	return
 }
+
+
--- a/util/slice.go
+++ b/util/slice.go
@@ -19,3 +19,14 @@ func (s *Slice[T]) Delete(v T) bool {
 	}
 	return false
 }
+
+func (s *Slice[T]) Reset() {
+	if len(*s) > 0 {
+		*s = (*s)[:0]
+	}
+}
+
+func (s *Slice[T]) ResetAppend(first T) {
+	s.Reset()
+	s.Add(first)
+}