将amf迁入engine中方便服用

2025-09-26 19:51:38 +08:00 · 2023-01-16 09:27:14 +08:00
parent 7f00f32cb7
commit a0b55d5e1b
6 changed files with 84 additions and 427 deletions
--- a/amf.go
+++ b/amf.go
@@ -1,286 +0,0 @@
-package rtmp
-
-import (
-	"go.uber.org/zap"
-	"m7s.live/engine/v4/util"
-)
-
-// Action Message Format -- AMF 0
-// Action Message Format -- AMF 3
-// http://download.macromedia.com/pub/labs/amf/amf0_spec_121207.pdf
-// http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/amf/pdf/amf-file-format-spec.pdf
-
-// AMF Object == AMF Object Type(1 byte) + AMF Object Value
-//
-// AMF Object Value :
-// AMF0_STRING : 2 bytes(datasize,记录string的长度) + data(string)
-// AMF0_OBJECT : AMF0_STRING + AMF Object
-// AMF0_NULL : 0 byte
-// AMF0_NUMBER : 8 bytes
-// AMF0_DATE : 10 bytes
-// AMF0_BOOLEAN : 1 byte
-// AMF0_ECMA_ARRAY : 4 bytes(arraysize,记录数组的长度) + AMF0_OBJECT
-// AMF0_STRICT_ARRAY : 4 bytes(arraysize,记录数组的长度) + AMF Object
-
-// 实际测试时,AMF0_ECMA_ARRAY数据如下:
-// 8 0 0 0 13 0 8 100 117 114 97 116 105 111 110 0 0 0 0 0 0 0 0 0 0 5 119 105 100 116 104 0 64 158 0 0 0 0 0 0 0 6 104 101 105 103 104 116 0 64 144 224 0 0 0 0 0
-// 8 0 0 0 13 | { 0 8 100 117 114 97 116 105 111 110 --- 0 0 0 0 0 0 0 0 0 } | { 0 5 119 105 100 116 104 --- 0 64 158 0 0 0 0 0 0 } | { 0 6 104 101 105 103 104 116 --- 0 64 144 224 0 0 0 0 0 } |...
-// 13 | {AMF0_STRING --- AMF0_NUMBER} | {AMF0_STRING --- AMF0_NUMBER} | {AMF0_STRING --- AMF0_NUMBER} | ...
-// 13 | {AMF0_OBJECT} | {AMF0_OBJECT} | {AMF0_OBJECT} | ...
-// 13 | {duration --- 0} | {width --- 1920} | {height --- 1080} | ...
-
-const (
-	AMF0_NUMBER         = 0x00 // 浮点数
-	AMF0_BOOLEAN        = 0x01 // 布尔型
-	AMF0_STRING         = 0x02 // 字符串
-	AMF0_OBJECT         = 0x03 // 对象,开始
-	AMF0_MOVIECLIP      = 0x04
-	AMF0_NULL           = 0x05 // null
-	AMF0_UNDEFINED      = 0x06
-	AMF0_REFERENCE      = 0x07
-	AMF0_ECMA_ARRAY     = 0x08
-	AMF0_END_OBJECT     = 0x09 // 对象,结束
-	AMF0_STRICT_ARRAY   = 0x0A
-	AMF0_DATE           = 0x0B // 日期
-	AMF0_LONG_STRING    = 0x0C // 字符串
-	AMF0_UNSUPPORTED    = 0x0D
-	AMF0_RECORDSET      = 0x0E
-	AMF0_XML_DOCUMENT   = 0x0F
-	AMF0_TYPED_OBJECT   = 0x10
-	AMF0_AVMPLUS_OBJECT = 0x11
-
-	AMF3_UNDEFINED     = 0x00
-	AMF3_NULL          = 0x01
-	AMF3_FALSE         = 0x02
-	AMF3_TRUE          = 0x03
-	AMF3_INTEGER       = 0x04
-	AMF3_DOUBLE        = 0x05
-	AMF3_STRING        = 0x06
-	AMF3_XML_DOC       = 0x07
-	AMF3_DATE          = 0x08
-	AMF3_ARRAY         = 0x09
-	AMF3_OBJECT        = 0x0A
-	AMF3_XML           = 0x0B
-	AMF3_BYTE_ARRAY    = 0x0C
-	AMF3_VECTOR_INT    = 0x0D
-	AMF3_VECTOR_UINT   = 0x0E
-	AMF3_VECTOR_DOUBLE = 0x0F
-	AMF3_VECTOR_OBJECT = 0x10
-	AMF3_DICTIONARY    = 0x11
-)
-
-var END_OBJ = []byte{0, 0, AMF0_END_OBJECT}
-
-type AMFValue any
-
-type AMFObject map[string]AMFValue
-
-type AMF struct {
-	util.Buffer
-}
-
-var ObjectEnd = &struct{}{}
-var Undefined = &struct{}{}
-
-func (amf *AMF) decodeObject() (obj AMFValue) {
-	if !amf.CanRead() {
-		return nil
-	}
-	t := amf.Buffer[0]
-	switch t {
-	case AMF0_NUMBER:
-		return amf.readNumber()
-	case AMF0_BOOLEAN:
-		return amf.readBool()
-	case AMF0_STRING:
-		return amf.readString()
-	case AMF0_OBJECT:
-		return amf.readObject()
-	case AMF0_MOVIECLIP:
-		RTMPPlugin.Error("This type is not supported and is reserved for future use.(AMF0_MOVIECLIP)")
-	case AMF0_NULL:
-		return amf.readNull()
-	case AMF0_UNDEFINED:
-		amf.ReadByte()
-		return Undefined
-	case AMF0_REFERENCE:
-		RTMPPlugin.Error("reference-type.(AMF0_REFERENCE)")
-	case AMF0_ECMA_ARRAY:
-		return amf.readECMAArray()
-	case AMF0_END_OBJECT:
-		amf.ReadByte()
-		return ObjectEnd
-	case AMF0_STRICT_ARRAY:
-		return amf.readStrictArray()
-	case AMF0_DATE:
-		return amf.readDate()
-	case AMF0_LONG_STRING,
-		AMF0_XML_DOCUMENT:
-		return amf.readLongString()
-	case AMF0_UNSUPPORTED:
-		RTMPPlugin.Error("If a type cannot be serialized a special unsupported marker can be used in place of the type.(AMF0_UNSUPPORTED)")
-	case AMF0_RECORDSET:
-		RTMPPlugin.Error("This type is not supported and is reserved for future use.(AMF0_RECORDSET)")
-	case AMF0_TYPED_OBJECT:
-		RTMPPlugin.Error("If a strongly typed object has an alias registered for its class then the type name will also be serialized. Typed objects are considered complex types and reoccurring instances can be sent by reference.(AMF0_TYPED_OBJECT)")
-	case AMF0_AVMPLUS_OBJECT:
-		RTMPPlugin.Error("AMF0_AVMPLUS_OBJECT")
-	default:
-		RTMPPlugin.Error("Unsupported type", zap.Uint8("type", t))
-	}
-	return nil
-}
-
-func (amf *AMF) writeObject(t AMFObject) {
-	if t == nil {
-		amf.writeNull()
-		return
-	}
-	amf.Malloc(1)[0] = AMF0_OBJECT
-	defer amf.Write(END_OBJ)
-	for k, vv := range t {
-		switch vvv := vv.(type) {
-		case string:
-			amf.writeObjectString(k, vvv)
-		case float64, uint, float32, int, int16, int32, int64, uint16, uint32, uint64, uint8, int8:
-			amf.writeObjectNumber(k, util.ToFloat64(vv))
-		case bool:
-			amf.writeObjectBool(k, vvv)
-		}
-	}
-	return
-}
-
-func (amf *AMF) readDate() uint64 {
-	amf.ReadByte()
-	ret := amf.ReadUint64()
-	amf.ReadN(2) // timezone
-	return ret
-}
-
-func (amf *AMF) readStrictArray() (list []AMFValue) {
-	amf.ReadByte()
-	size := amf.ReadUint32()
-	for i := uint32(0); i < size; i++ {
-		list = append(list, amf.decodeObject())
-	}
-	return
-}
-
-func (amf *AMF) readECMAArray() (m AMFObject) {
-	m = make(AMFObject, 0)
-	amf.ReadByte()
-	size := amf.ReadUint32()
-	for i := uint32(0); i < size; i++ {
-		k := amf.readString1()
-		v := amf.decodeObject()
-		if k == "" && v == ObjectEnd {
-			return
-		}
-		m[k] = v
-	}
-	return
-}
-
-func (amf *AMF) readString() string {
-	if amf.Len() == 0 {
-		return ""
-	}
-	amf.ReadByte()
-	return amf.readString1()
-}
-
-func (amf *AMF) readString1() string {
-	return string(amf.ReadN(int(amf.ReadUint16())))
-}
-
-func (amf *AMF) readLongString() string {
-	amf.ReadByte()
-	return string(amf.ReadN(int(amf.ReadUint32())))
-}
-
-func (amf *AMF) readNull() any {
-	amf.ReadByte()
-	return nil
-}
-
-func (amf *AMF) readNumber() (num float64) {
-	if amf.Len() == 0 {
-		return 0
-	}
-	amf.ReadByte()
-	return amf.ReadFloat64()
-}
-
-func (amf *AMF) readBool() bool {
-	if amf.Len() == 0 {
-		return false
-	}
-	amf.ReadByte()
-	return amf.ReadByte() == 1
-}
-
-func (amf *AMF) readObject() (m AMFObject) {
-	if amf.Len() == 0 {
-		return nil
-	}
-	if amf.ReadByte() == AMF0_NULL {
-		return nil
-	}
-	m = make(AMFObject, 0)
-	for {
-		k := amf.readString1()
-		v := amf.decodeObject()
-		if k == "" && v == ObjectEnd {
-			return
-		}
-		m[k] = v
-	}
-}
-
-func (amf *AMF) writeSize16(l int) {
-	util.PutBE(amf.Malloc(2), l)
-}
-
-func (amf *AMF) writeString(value string) {
-	amf.WriteByte(AMF0_STRING)
-	amf.writeSize16(len(value))
-	amf.WriteString(value)
-}
-
-func (amf *AMF) writeNull() {
-	amf.WriteByte(AMF0_NULL)
-}
-
-func (amf *AMF) writeBool(b bool) {
-	amf.WriteByte(AMF0_BOOLEAN)
-	if b {
-		amf.WriteByte(1)
-	}
-	amf.WriteByte(0)
-}
-
-func (amf *AMF) writeNumber(b float64) {
-	amf.WriteByte(AMF0_NUMBER)
-	amf.WriteFloat64(b)
-}
-
-func (amf *AMF) writeKey(key string) {
-	amf.writeSize16(len(key))
-	amf.WriteString(key)
-}
-
-func (amf *AMF) writeObjectString(key, value string) {
-	amf.writeKey(key)
-	amf.writeString(value)
-}
-
-func (amf *AMF) writeObjectBool(key string, f bool) {
-	amf.writeKey(key)
-	amf.writeBool(f)
-}
-
-func (amf *AMF) writeObjectNumber(key string, value float64) {
-	amf.writeKey(key)
-	amf.writeNumber(value)
-}
--- a/client.go
+++ b/client.go
@@ -19,6 +19,11 @@ func NewRTMPClient(addr string) (client *NetConnection, err error) {
 		RTMPPlugin.Error("connect url parse", zap.Error(err))
 		return nil, err
 	}
+	ps := strings.Split(u.Path, "/")
+	if len(ps) < 3 {
+		RTMPPlugin.Error("illegal rtmp url", zap.String("url", addr))
+		return nil, errors.New("illegal rtmp url")
+	}
 	isRtmps := u.Scheme == "rtmps"
 	if strings.Count(u.Host, ":") == 0 {
 		if isRtmps {
@@ -54,12 +59,11 @@ func NewRTMPClient(addr string) (client *NetConnection, err error) {
 		RTMPPlugin.Error("handshake", zap.Error(err))
 		return nil, err
 	}
-	ps := strings.Split(u.Path, "/")
 	client.appName = ps[1]
 	err = client.SendMessage(RTMP_MSG_CHUNK_SIZE, Uint32Message(conf.ChunkSize))
 	client.SendMessage(RTMP_MSG_AMF0_COMMAND, &CallMessage{
 		CommandMessage{"connect", 1},
-		AMFObject{
+		map[string]any{
 			"app":      client.appName,
 			"flashVer": "monibuca/" + engine.Engine.Version,
 			"swfUrl":   addr,
--- a/media.go
+++ b/media.go
@@ -85,7 +85,7 @@ func (r *RTMPSender) Response(tid uint64, code, level string) error {
 	m := new(ResponsePlayMessage)
 	m.CommandName = Response_OnStatus
 	m.TransactionId = tid
-	m.Object = AMFObject{
+	m.Object = map[string]any{
 		"code":        code,
 		"level":       level,
 		"description": "",
@@ -104,7 +104,7 @@ func (r *RTMPReceiver) Response(tid uint64, code, level string) error {
 	m := new(ResponsePublishMessage)
 	m.CommandName = Response_OnStatus
 	m.TransactionId = tid
-	m.Infomation = AMFObject{
+	m.Infomation = map[string]any{
 		"code":        code,
 		"level":       level,
 		"description": "",
--- a/msg.go
+++ b/msg.go
@@ -6,6 +6,7 @@ import (
 	"strings"

 	"go.uber.org/zap"
+	"m7s.live/engine/v4/codec"
 	"m7s.live/engine/v4/util"
 )

@@ -198,36 +199,36 @@ func GetRtmpMessage(chunk *Chunk) error {
 // object类型要复杂点.
 // 第一个byte是03表示object,其后跟的是N个(key+value).最后以00 00 09表示object结束
 func decodeCommandAMF0(chunk *Chunk) {
-	amf := AMF{chunk.Body}  // rtmp_amf.go, amf 是 bytes类型, 将rtmp body(payload)放到bytes.Buffer(amf)中去.
-	cmd := amf.readString() // rtmp_amf.go, 将payload的bytes类型转换成string类型.
+	amf := codec.AMF{chunk.Body} // rtmp_amf.go, amf 是 bytes类型, 将rtmp body(payload)放到bytes.Buffer(amf)中去.
+	cmd := amf.ReadShortString() // rtmp_amf.go, 将payload的bytes类型转换成string类型.
 	cmdMsg := CommandMessage{
 		cmd,
-		uint64(amf.readNumber()),
+		uint64(amf.ReadNumber()),
 	}
 	switch cmd {
 	case "connect", "call":
 		chunk.MsgData = &CallMessage{
 			cmdMsg,
-			amf.readObject(),
-			amf.readObject(),
+			amf.ReadObject(),
+			amf.ReadObject(),
 		}
 	case "createStream":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &cmdMsg
 	case "play":
-		amf.readNull()
+		amf.Unmarshal()
 		m := &PlayMessage{
 			CURDStreamMessage{
 				cmdMsg,
 				chunk.MessageStreamID,
 			},
-			amf.readString(),
+			amf.ReadShortString(),
 			float64(-2),
 			float64(-1),
 			true,
 		}
 		for i := 0; i < 3; i++ {
-			if v := amf.decodeObject(); v != nil {
+			if v, _ := amf.Unmarshal(); v != nil {
 				switch vv := v.(type) {
 				case float64:
 					if i == 0 {
@@ -245,67 +246,67 @@ func decodeCommandAMF0(chunk *Chunk) {
 		}
 		chunk.MsgData = m
 	case "play2":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &Play2Message{
 			cmdMsg,
-			uint64(amf.readNumber()),
-			amf.readString(),
-			amf.readString(),
-			uint64(amf.readNumber()),
-			amf.readString(),
+			uint64(amf.ReadNumber()),
+			amf.ReadShortString(),
+			amf.ReadShortString(),
+			uint64(amf.ReadNumber()),
+			amf.ReadShortString(),
 		}
 	case "publish":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &PublishMessage{
 			CURDStreamMessage{
 				cmdMsg,
 				chunk.MessageStreamID,
 			},
-			amf.readString(),
-			amf.readString(),
+			amf.ReadShortString(),
+			amf.ReadShortString(),
 		}
 	case "pause":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &PauseMessage{
 			cmdMsg,
-			amf.readBool(),
-			uint64(amf.readNumber()),
+			amf.ReadBool(),
+			uint64(amf.ReadNumber()),
 		}
 	case "seek":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &SeekMessage{
 			cmdMsg,
-			uint64(amf.readNumber()),
+			uint64(amf.ReadNumber()),
 		}
 	case "deleteStream", "closeStream":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &CURDStreamMessage{
 			cmdMsg,
-			uint32(amf.readNumber()),
+			uint32(amf.ReadNumber()),
 		}
 	case "releaseStream":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &ReleaseStreamMessage{
 			cmdMsg,
-			amf.readString(),
+			amf.ReadShortString(),
 		}
 	case "receiveAudio", "receiveVideo":
-		amf.readNull()
+		amf.Unmarshal()
 		chunk.MsgData = &ReceiveAVMessage{
 			cmdMsg,
-			amf.readBool(),
+			amf.ReadBool(),
 		}
 	case Response_Result, Response_Error, Response_OnStatus:
 		if cmdMsg.TransactionId == 2 {
 			chunk.MsgData = &ResponseCreateStreamMessage{
-				cmdMsg, amf.readObject(), uint32(amf.readNumber()),
+				cmdMsg, amf.ReadObject(), uint32(amf.ReadNumber()),
 			}
 			return
 		}
 		response := &ResponseMessage{
 			cmdMsg,
-			amf.readObject(),
-			amf.readObject(), "",
+			amf.ReadObject(),
+			amf.ReadObject(), "",
 		}
 		codef := zap.String("code", response.Infomation["code"].(string))
 		switch response.Infomation["level"] {
@@ -360,11 +361,7 @@ func (cmd *CommandMessage) GetCommand() *CommandMessage {
 }

 func (msg *CommandMessage) Encode() (b []byte) {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeNull()
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, nil)
 }

 // Protocol control message 1.
@@ -430,29 +427,23 @@ type MetadataMessage struct {
 // The called RPC name is passed as a parameter to the call command.
 type CallMessage struct {
 	CommandMessage
-	Object   AMFObject `json:",omitempty"`
-	Optional AMFObject `json:",omitempty"`
+	Object   map[string]any `json:",omitempty"`
+	Optional map[string]any `json:",omitempty"`
 }

 func (msg *CallMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeObject(msg.Object)
+	var amf codec.AMF
+	amf.Marshals(msg.CommandName, msg.TransactionId, msg.Object)
 	if msg.Optional != nil {
-		amf.writeObject(msg.Optional)
+		amf.Marshal(msg.Optional)
 	}
 	return amf.Buffer
 }

 func (msg *CallMessage) Encode3() []byte {
-	var amf AMF
+	var amf codec.AMF
 	amf.WriteByte(0)
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeObject(msg.Object)
-	amf.writeObject(msg.Optional)
-	return amf.Buffer
+	return amf.Marshals(msg.CommandName, msg.TransactionId, msg.Object, msg.Optional)
 }

 // Create Stream Message.
@@ -502,12 +493,7 @@ type PlayMessage struct {
 // Reset -> 可选的布尔值或者数字定义了是否对以前的播放列表进行 flush

 func (msg *PlayMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeNull()
-	amf.writeString(msg.StreamName)
-	amf.writeNumber(-2000)
+	var amf codec.AMF
 	// if msg.Start > 0 {
 	// 	amf.writeNumber(msg.Start)
 	// }
@@ -517,7 +503,7 @@ func (msg *PlayMessage) Encode() []byte {
 	// }

 	// amf.writeBool(msg.Reset)
-	return amf.Buffer
+	return amf.Marshals(msg.CommandName, msg.TransactionId, nil, msg.StreamName, -2000)
 }

 /*
@@ -591,13 +577,7 @@ type PublishMessage struct {
 // “live”:发布直播数据而不录制到文件

 func (msg *PublishMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeNull()
-	amf.writeString(msg.PublishingName)
-	amf.writeString(msg.PublishingType)
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, nil, msg.PublishingName, msg.PublishingType)
 }

 // Seek Message
@@ -631,22 +611,15 @@ func (msg *PauseMessage) Encode0() {
 // Response Message. Server -> Response -> Client
 //

-//
 // Response Connect Message
-//
 type ResponseConnectMessage struct {
 	CommandMessage
-	Properties AMFObject `json:",omitempty"`
-	Infomation AMFObject `json:",omitempty"`
+	Properties map[string]any `json:",omitempty"`
+	Infomation map[string]any `json:",omitempty"`
 }

 func (msg *ResponseConnectMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeObject(msg.Properties)
-	amf.writeObject(msg.Infomation)
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, msg.Properties, msg.Infomation)
 }

 /*
@@ -654,38 +627,25 @@ func (msg *ResponseConnectMessage) Encode3() {
 }*/

 // Response Call Message
-//
 type ResponseCallMessage struct {
 	CommandMessage
-	Object   AMFObject
-	Response AMFObject
+	Object   map[string]any
+	Response map[string]any
 }

 func (msg *ResponseCallMessage) Encode0() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeObject(msg.Object)
-	amf.writeObject(msg.Response)
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, msg.Object, msg.Response)
 }

-//
 // Response Create Stream Message
-//
 type ResponseCreateStreamMessage struct {
 	CommandMessage
-	Object   interface{} `json:",omitempty"`
+	Object   any `json:",omitempty"`
 	StreamId uint32
 }

 func (msg *ResponseCreateStreamMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeNull()
-	amf.writeNumber(float64(msg.StreamId))
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, nil, msg.StreamId)
 }

 /*
@@ -693,23 +653,21 @@ func (msg *ResponseCreateStreamMessage) Encode3() {
 }*/

 func (msg *ResponseCreateStreamMessage) Decode0(chunk *Chunk) {
-	amf := AMF{chunk.Body}
-	msg.CommandName = amf.decodeObject().(string)
-	msg.TransactionId = uint64(amf.decodeObject().(float64))
-	amf.decodeObject()
-	msg.StreamId = uint32(amf.decodeObject().(float64))
+	amf := codec.AMF{chunk.Body}
+	msg.CommandName = amf.ReadShortString()
+	msg.TransactionId = uint64(amf.ReadNumber())
+	amf.Unmarshal()
+	msg.StreamId = uint32(amf.ReadNumber())
 }
 func (msg *ResponseCreateStreamMessage) Decode3(chunk *Chunk) {
 	chunk.Body = chunk.Body[1:]
 	msg.Decode0(chunk)
 }

-//
 // Response Play Message
-//
 type ResponsePlayMessage struct {
 	CommandMessage
-	Object      AMFObject `json:",omitempty"`
+	Object      map[string]any `json:",omitempty"`
 	Description string
 	StreamID    uint32
 }
@@ -718,13 +676,7 @@ func (msg *ResponsePlayMessage) GetStreamID() uint32 {
 	return msg.StreamID
 }
 func (msg *ResponsePlayMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeNull()
-	amf.writeObject(msg.Object)
-	amf.writeString(msg.Description)
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, nil, msg.Object, msg.Description)
 }

 /*
@@ -732,23 +684,21 @@ func (msg *ResponsePlayMessage) Encode3() {
 }*/

 func (msg *ResponsePlayMessage) Decode0(chunk *Chunk) {
-	amf := AMF{chunk.Body}
-	msg.CommandName = amf.decodeObject().(string)
-	msg.TransactionId = uint64(amf.decodeObject().(float64))
-	msg.Object = amf.decodeObject().(AMFObject)
+	amf := codec.AMF{chunk.Body}
+	msg.CommandName = amf.ReadShortString()
+	msg.TransactionId = uint64(amf.ReadNumber())
+	msg.Object = amf.ReadObject()
 }
 func (msg *ResponsePlayMessage) Decode3(chunk *Chunk) {
 	chunk.Body = chunk.Body[1:]
 	msg.Decode0(chunk)
 }

-//
 // Response Publish Message
-//
 type ResponsePublishMessage struct {
 	CommandMessage
-	Properties AMFObject `json:",omitempty"`
-	Infomation AMFObject `json:",omitempty"`
+	Properties map[string]any `json:",omitempty"`
+	Infomation map[string]any `json:",omitempty"`
 	StreamID   uint32
 }

@@ -762,21 +712,14 @@ func (msg *ResponsePublishMessage) GetStreamID() uint32 {
 // 信息 -> level, code, description

 func (msg *ResponsePublishMessage) Encode() []byte {
-	var amf AMF
-	amf.writeString(msg.CommandName)
-	amf.writeNumber(float64(msg.TransactionId))
-	amf.writeObject(msg.Properties)
-	amf.writeObject(msg.Infomation)
-	return amf.Buffer
+	return codec.MarshalAMFs(msg.CommandName, msg.TransactionId, msg.Properties, msg.Infomation)
 }

 /*
 func (msg *ResponsePublishMessage) Encode3() {
 }*/

-//
 // Response Seek Message
-//
 type ResponseSeekMessage struct {
 	CommandMessage
 	Description string
@@ -788,9 +731,7 @@ func (msg *ResponseSeekMessage) Encode0() {
 //func (msg *ResponseSeekMessage) Encode3() {
 //}

-//
 // Response Pause Message
-//
 type ResponsePauseMessage struct {
 	CommandMessage
 	Description string
@@ -806,13 +747,11 @@ func (msg *ResponsePauseMessage) Encode0() {
 //func (msg *ResponsePauseMessage) Encode3() {
 //}

-//
 // Response Message
-//
 type ResponseMessage struct {
 	CommandMessage
-	Properties  AMFObject `json:",omitempty"`
-	Infomation  AMFObject `json:",omitempty"`
+	Properties  map[string]any `json:",omitempty"`
+	Infomation  map[string]any `json:",omitempty"`
 	Description string
 }

--- a/netConnection.go
+++ b/netConnection.go
@@ -43,8 +43,8 @@ const (
 	SEND_FULL_VDIEO_MESSAGE = "Send Full Video Message"
 )

-func newConnectResponseMessageData(objectEncoding float64) (amfobj AMFObject) {
-	amfobj = make(AMFObject)
+func newConnectResponseMessageData(objectEncoding float64) (amfobj map[string]any) {
+	amfobj = make(map[string]any)
 	amfobj["fmsVer"] = "monibuca/" + Engine.Version
 	amfobj["capabilities"] = 31
 	amfobj["mode"] = 1
@@ -56,8 +56,8 @@ func newConnectResponseMessageData(objectEncoding float64) (amfobj AMFObject) {
 	return
 }

-func newPublishResponseMessageData(streamid uint32, code, level string) (amfobj AMFObject) {
-	amfobj = make(AMFObject)
+func newPublishResponseMessageData(streamid uint32, code, level string) (amfobj map[string]any) {
+	amfobj = make(map[string]any)
 	amfobj["code"] = code
 	amfobj["level"] = level
 	amfobj["streamid"] = streamid
@@ -65,8 +65,8 @@ func newPublishResponseMessageData(streamid uint32, code, level string) (amfobj
 	return
 }

-func newPlayResponseMessageData(streamid uint32, code, level string) (amfobj AMFObject) {
-	amfobj = make(AMFObject)
+func newPlayResponseMessageData(streamid uint32, code, level string) (amfobj map[string]any) {
+	amfobj = make(map[string]any)
 	amfobj["code"] = code
 	amfobj["level"] = level
 	amfobj["streamid"] = streamid
--- a/server.go
+++ b/server.go
@@ -90,13 +90,13 @@ func (config *RTMPConfig) ServeTCP(conn *net.TCPConn) {
 					m := new(ResponseConnectMessage)
 					m.CommandName = Response_Result
 					m.TransactionId = 1
-					m.Properties = AMFObject{
+					m.Properties = map[string]any{
 						"fmsVer":       "monibuca/" + engine.Engine.Version,
 						"capabilities": 31,
 						"mode":         1,
 						"Author":       "dexter",
 					}
-					m.Infomation = AMFObject{
+					m.Infomation = map[string]any{
 						"level":          Level_Status,
 						"code":           NetConnection_Connect_Success,
 						"objectEncoding": nc.objectEncoding,