fix: memory

2025-11-03 04:23:38 +08:00 · 2024-05-29 14:29:52 +08:00
parent 55446e3f57
commit 6902ac8b3d
26 changed files with 921 additions and 772 deletions
--- a/api.go
+++ b/api.go
@@ -129,6 +129,7 @@ func (s *Server) getStreamInfo(pub *Publisher) (res *pb.StreamInfoResponse, err
 	}
 	return
 }
 func (s *Server) StreamInfo(ctx context.Context, req *pb.StreamSnapRequest) (res *pb.StreamInfoResponse, err error) {
 	s.Call(func() {
 		if pub, ok := s.Streams.Get(req.StreamPath); ok {
@@ -193,6 +194,16 @@ func (s *Server) VideoTrackSnap(ctx context.Context, req *pb.StreamSnapRequest)
 			res = &pb.TrackSnapShotResponse{}
 			if !pub.VideoTrack.IsEmpty() {
 				// vcc := pub.VideoTrack.AVTrack.ICodecCtx.(pkg.IVideoCodecCtx)
 				for _, memlist := range pub.VideoTrack.Allocator.GetChildren() {
 					var list []*pb.MemoryBlock
 					for _, block := range memlist.GetBlocks() {
 						list = append(list, &pb.MemoryBlock{
 							S: uint32(block[0]),
 							E: uint32(block[1]),
 						})
 					}
 					res.Memory = append(res.Memory, &pb.MemoryBlockGroup{List: list, Size: uint32(memlist.Size)})
 				}
 				res.Reader = make(map[uint32]uint32)
 				for sub := range pub.Subscribers {
 					if sub.VideoReader == nil {
--- a/example/default/config.yaml
+++ b/example/default/config.yaml
@@ -15,6 +15,7 @@ webrtc:
 rtmp:
  chunksize: 2048
  publish:
    pubaudio: false
    # idletimeout: 10s
    # closedelaytimeout: 4s
  subscribe:
--- a/example/default/main.go
+++ b/example/default/main.go
@@ -2,39 +2,37 @@ package main
 import (
 	"context"
 	"errors"
 	"flag"
 	"m7s.live/m7s/v5"
 	"m7s.live/m7s/v5/pkg/util"
 	_ "m7s.live/m7s/v5/plugin/console"
 	_ "m7s.live/m7s/v5/plugin/debug"
 	_ "m7s.live/m7s/v5/plugin/hdl"
 	_ "m7s.live/m7s/v5/plugin/logrotate"
 	_ "m7s.live/m7s/v5/plugin/rtmp"
 	_ "m7s.live/m7s/v5/plugin/webrtc"
 	"strings"
 )
-func init() {
+// func init() {
-	//全局推流鉴权
+// 	//全局推流鉴权
-	m7s.DefaultServer.OnAuthPubs["RTMP"] = func(p *util.Promise[*m7s.Publisher]) {
+// 	m7s.DefaultServer.OnAuthPubs["RTMP"] = func(p *util.Promise[*m7s.Publisher]) {
-		var pub = p.Value
+// 		var pub = p.Value
-		if strings.Contains(pub.StreamPath, "20A222800207-2") {
+// 		if strings.Contains(pub.StreamPath, "20A222800207-2") {
-			p.Fulfill(nil)
+// 			p.Fulfill(nil)
-		} else {
+// 		} else {
-			p.Fulfill(errors.New("auth failed"))
+// 			p.Fulfill(errors.New("auth failed"))
-		}
+// 		}
-	}
+// 	}
-	//全局播放鉴权
+// 	//全局播放鉴权
-	m7s.DefaultServer.OnAuthSubs["RTMP"] = func(p *util.Promise[*m7s.Subscriber]) {
+// 	m7s.DefaultServer.OnAuthSubs["RTMP"] = func(p *util.Promise[*m7s.Subscriber]) {
-		var sub = p.Value
+// 		var sub = p.Value
-		if strings.Contains(sub.StreamPath, "20A222800207-22") {
+// 		if strings.Contains(sub.StreamPath, "20A222800207-22") {
-			p.Fulfill(nil)
+// 			p.Fulfill(nil)
-		} else {
+// 		} else {
-			p.Fulfill(errors.New("auth failed"))
+// 			p.Fulfill(errors.New("auth failed"))
-		}
+// 		}
-	}
+// 	}
-}
+// }
 func main() {
 	conf := flag.String("c", "config.yaml", "config file")
--- a/pb/global.pb.go
+++ b/pb/global.pb.go
@@ -1207,6 +1207,116 @@ func (x *TrackSnapShot) GetWrap() []*Wrap {
 	return nil
 }
 type MemoryBlock struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	S uint32 `protobuf:"varint,1,opt,name=s,proto3" json:"s,omitempty"`
 	E uint32 `protobuf:"varint,2,opt,name=e,proto3" json:"e,omitempty"`
 }
 func (x *MemoryBlock) Reset() {
 	*x = MemoryBlock{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_global_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *MemoryBlock) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*MemoryBlock) ProtoMessage() {}
 func (x *MemoryBlock) ProtoReflect() protoreflect.Message {
 	mi := &file_global_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use MemoryBlock.ProtoReflect.Descriptor instead.
 func (*MemoryBlock) Descriptor() ([]byte, []int) {
 	return file_global_proto_rawDescGZIP(), []int{17}
 }
 func (x *MemoryBlock) GetS() uint32 {
 	if x != nil {
 		return x.S
 	}
 	return 0
 }
 func (x *MemoryBlock) GetE() uint32 {
 	if x != nil {
 		return x.E
 	}
 	return 0
 }
 type MemoryBlockGroup struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 	Size uint32         `protobuf:"varint,1,opt,name=size,proto3" json:"size,omitempty"`
 	List []*MemoryBlock `protobuf:"bytes,2,rep,name=list,proto3" json:"list,omitempty"`
 }
 func (x *MemoryBlockGroup) Reset() {
 	*x = MemoryBlockGroup{}
 	if protoimpl.UnsafeEnabled {
 		mi := &file_global_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
 }
 func (x *MemoryBlockGroup) String() string {
 	return protoimpl.X.MessageStringOf(x)
 }
 func (*MemoryBlockGroup) ProtoMessage() {}
 func (x *MemoryBlockGroup) ProtoReflect() protoreflect.Message {
 	mi := &file_global_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
 			ms.StoreMessageInfo(mi)
 		}
 		return ms
 	}
 	return mi.MessageOf(x)
 }
 // Deprecated: Use MemoryBlockGroup.ProtoReflect.Descriptor instead.
 func (*MemoryBlockGroup) Descriptor() ([]byte, []int) {
 	return file_global_proto_rawDescGZIP(), []int{18}
 }
 func (x *MemoryBlockGroup) GetSize() uint32 {
 	if x != nil {
 		return x.Size
 	}
 	return 0
 }
 func (x *MemoryBlockGroup) GetList() []*MemoryBlock {
 	if x != nil {
 		return x.List
 	}
 	return nil
 }
 type AudioTrackInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1224,7 +1334,7 @@ type AudioTrackInfo struct {
 func (x *AudioTrackInfo) Reset() {
 	*x = AudioTrackInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[17]
+		mi := &file_global_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1237,7 +1347,7 @@ func (x *AudioTrackInfo) String() string {
 func (*AudioTrackInfo) ProtoMessage() {}
 func (x *AudioTrackInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[17]
+	mi := &file_global_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1250,7 +1360,7 @@ func (x *AudioTrackInfo) ProtoReflect() protoreflect.Message {
 // Deprecated: Use AudioTrackInfo.ProtoReflect.Descriptor instead.
 func (*AudioTrackInfo) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{17}
+	return file_global_proto_rawDescGZIP(), []int{19}
 }
 func (x *AudioTrackInfo) GetCodec() string {
@@ -1309,12 +1419,13 @@ type TrackSnapShotResponse struct {
 	Ring   []*TrackSnapShot    `protobuf:"bytes,1,rep,name=ring,proto3" json:"ring,omitempty"`
 	Reader map[uint32]uint32   `protobuf:"bytes,2,rep,name=reader,proto3" json:"reader,omitempty" protobuf_key:"varint,1,opt,name=key,proto3" protobuf_val:"varint,2,opt,name=value,proto3"`
 	Memory []*MemoryBlockGroup `protobuf:"bytes,3,rep,name=memory,proto3" json:"memory,omitempty"`
 }
 func (x *TrackSnapShotResponse) Reset() {
 	*x = TrackSnapShotResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[18]
+		mi := &file_global_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1327,7 +1438,7 @@ func (x *TrackSnapShotResponse) String() string {
 func (*TrackSnapShotResponse) ProtoMessage() {}
 func (x *TrackSnapShotResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[18]
+	mi := &file_global_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1340,7 +1451,7 @@ func (x *TrackSnapShotResponse) ProtoReflect() protoreflect.Message {
 // Deprecated: Use TrackSnapShotResponse.ProtoReflect.Descriptor instead.
 func (*TrackSnapShotResponse) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{18}
+	return file_global_proto_rawDescGZIP(), []int{20}
 }
 func (x *TrackSnapShotResponse) GetRing() []*TrackSnapShot {
@@ -1357,6 +1468,13 @@ func (x *TrackSnapShotResponse) GetReader() map[uint32]uint32 {
 	return nil
 }
 func (x *TrackSnapShotResponse) GetMemory() []*MemoryBlockGroup {
 	if x != nil {
 		return x.Memory
 	}
 	return nil
 }
 type VideoTrackInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1375,7 +1493,7 @@ type VideoTrackInfo struct {
 func (x *VideoTrackInfo) Reset() {
 	*x = VideoTrackInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[19]
+		mi := &file_global_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1388,7 +1506,7 @@ func (x *VideoTrackInfo) String() string {
 func (*VideoTrackInfo) ProtoMessage() {}
 func (x *VideoTrackInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[19]
+	mi := &file_global_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1401,7 +1519,7 @@ func (x *VideoTrackInfo) ProtoReflect() protoreflect.Message {
 // Deprecated: Use VideoTrackInfo.ProtoReflect.Descriptor instead.
 func (*VideoTrackInfo) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{19}
+	return file_global_proto_rawDescGZIP(), []int{21}
 }
 func (x *VideoTrackInfo) GetCodec() string {
@@ -1471,7 +1589,7 @@ type SuccessResponse struct {
 func (x *SuccessResponse) Reset() {
 	*x = SuccessResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[20]
+		mi := &file_global_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1484,7 +1602,7 @@ func (x *SuccessResponse) String() string {
 func (*SuccessResponse) ProtoMessage() {}
 func (x *SuccessResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[20]
+	mi := &file_global_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1497,7 +1615,7 @@ func (x *SuccessResponse) ProtoReflect() protoreflect.Message {
 // Deprecated: Use SuccessResponse.ProtoReflect.Descriptor instead.
 func (*SuccessResponse) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{20}
+	return file_global_proto_rawDescGZIP(), []int{22}
 }
 func (x *SuccessResponse) GetSuccess() bool {
@@ -1518,7 +1636,7 @@ type RequestWithId struct {
 func (x *RequestWithId) Reset() {
 	*x = RequestWithId{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[21]
+		mi := &file_global_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1531,7 +1649,7 @@ func (x *RequestWithId) String() string {
 func (*RequestWithId) ProtoMessage() {}
 func (x *RequestWithId) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[21]
+	mi := &file_global_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1544,7 +1662,7 @@ func (x *RequestWithId) ProtoReflect() protoreflect.Message {
 // Deprecated: Use RequestWithId.ProtoReflect.Descriptor instead.
 func (*RequestWithId) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{21}
+	return file_global_proto_rawDescGZIP(), []int{23}
 }
 func (x *RequestWithId) GetId() uint32 {
@@ -1567,7 +1685,7 @@ type SubscribersRequest struct {
 func (x *SubscribersRequest) Reset() {
 	*x = SubscribersRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[22]
+		mi := &file_global_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1580,7 +1698,7 @@ func (x *SubscribersRequest) String() string {
 func (*SubscribersRequest) ProtoMessage() {}
 func (x *SubscribersRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[22]
+	mi := &file_global_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1593,7 +1711,7 @@ func (x *SubscribersRequest) ProtoReflect() protoreflect.Message {
 // Deprecated: Use SubscribersRequest.ProtoReflect.Descriptor instead.
 func (*SubscribersRequest) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{22}
+	return file_global_proto_rawDescGZIP(), []int{24}
 }
 func (x *SubscribersRequest) GetStreamPath() string {
@@ -1631,7 +1749,7 @@ type RingReaderSnapShot struct {
 func (x *RingReaderSnapShot) Reset() {
 	*x = RingReaderSnapShot{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[23]
+		mi := &file_global_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1644,7 +1762,7 @@ func (x *RingReaderSnapShot) String() string {
 func (*RingReaderSnapShot) ProtoMessage() {}
 func (x *RingReaderSnapShot) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[23]
+	mi := &file_global_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1657,7 +1775,7 @@ func (x *RingReaderSnapShot) ProtoReflect() protoreflect.Message {
 // Deprecated: Use RingReaderSnapShot.ProtoReflect.Descriptor instead.
 func (*RingReaderSnapShot) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{23}
+	return file_global_proto_rawDescGZIP(), []int{25}
 }
 func (x *RingReaderSnapShot) GetSequence() uint32 {
@@ -1703,7 +1821,7 @@ type SubscriberSnapShot struct {
 func (x *SubscriberSnapShot) Reset() {
 	*x = SubscriberSnapShot{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[24]
+		mi := &file_global_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1716,7 +1834,7 @@ func (x *SubscriberSnapShot) String() string {
 func (*SubscriberSnapShot) ProtoMessage() {}
 func (x *SubscriberSnapShot) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[24]
+	mi := &file_global_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1729,7 +1847,7 @@ func (x *SubscriberSnapShot) ProtoReflect() protoreflect.Message {
 // Deprecated: Use SubscriberSnapShot.ProtoReflect.Descriptor instead.
 func (*SubscriberSnapShot) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{24}
+	return file_global_proto_rawDescGZIP(), []int{26}
 }
 func (x *SubscriberSnapShot) GetId() uint32 {
@@ -1781,7 +1899,7 @@ type SubscribersResponse struct {
 func (x *SubscribersResponse) Reset() {
 	*x = SubscribersResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_global_proto_msgTypes[25]
+		mi := &file_global_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1794,7 +1912,7 @@ func (x *SubscribersResponse) String() string {
 func (*SubscribersResponse) ProtoMessage() {}
 func (x *SubscribersResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_global_proto_msgTypes[25]
+	mi := &file_global_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1807,7 +1925,7 @@ func (x *SubscribersResponse) ProtoReflect() protoreflect.Message {
 // Deprecated: Use SubscribersResponse.ProtoReflect.Descriptor instead.
 func (*SubscribersResponse) Descriptor() ([]byte, []int) {
-	return file_global_proto_rawDescGZIP(), []int{25}
+	return file_global_proto_rawDescGZIP(), []int{27}
 }
 func (x *SubscribersResponse) GetTotal() int32 {
@@ -2015,171 +2133,182 @@ var file_global_proto_rawDesc = []byte{
 	0x65, 0x79, 0x46, 0x72, 0x61, 0x6d, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x08, 0x52, 0x08, 0x6b,
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 }
 var (
@@ -2194,7 +2323,7 @@ func file_global_proto_rawDescGZIP() []byte {
 	return file_global_proto_rawDescData
 }
-var file_global_proto_msgTypes = make([]protoimpl.MessageInfo, 31)
+var file_global_proto_msgTypes = make([]protoimpl.MessageInfo, 33)
 var file_global_proto_goTypes = []interface{}{
 	(*GetConfigRequest)(nil),       // 0: m7s.GetConfigRequest
 	(*Formily)(nil),                // 1: m7s.Formily
@@ -2213,82 +2342,86 @@ var file_global_proto_goTypes = []interface{}{
 	(*StreamInfoResponse)(nil),     // 14: m7s.StreamInfoResponse
 	(*Wrap)(nil),                   // 15: m7s.Wrap
 	(*TrackSnapShot)(nil),          // 16: m7s.TrackSnapShot
-	(*AudioTrackInfo)(nil),         // 17: m7s.AudioTrackInfo
+	(*MemoryBlock)(nil),            // 17: m7s.MemoryBlock
-	(*TrackSnapShotResponse)(nil),  // 18: m7s.TrackSnapShotResponse
+	(*MemoryBlockGroup)(nil),       // 18: m7s.MemoryBlockGroup
-	(*VideoTrackInfo)(nil),         // 19: m7s.VideoTrackInfo
+	(*AudioTrackInfo)(nil),         // 19: m7s.AudioTrackInfo
-	(*SuccessResponse)(nil),        // 20: m7s.SuccessResponse
+	(*TrackSnapShotResponse)(nil),  // 20: m7s.TrackSnapShotResponse
-	(*RequestWithId)(nil),          // 21: m7s.RequestWithId
+	(*VideoTrackInfo)(nil),         // 21: m7s.VideoTrackInfo
-	(*SubscribersRequest)(nil),     // 22: m7s.SubscribersRequest
+	(*SuccessResponse)(nil),        // 22: m7s.SuccessResponse
-	(*RingReaderSnapShot)(nil),     // 23: m7s.RingReaderSnapShot
+	(*RequestWithId)(nil),          // 23: m7s.RequestWithId
-	(*SubscriberSnapShot)(nil),     // 24: m7s.SubscriberSnapShot
+	(*SubscribersRequest)(nil),     // 24: m7s.SubscribersRequest
-	(*SubscribersResponse)(nil),    // 25: m7s.SubscribersResponse
+	(*RingReaderSnapShot)(nil),     // 25: m7s.RingReaderSnapShot
-	nil,                            // 26: m7s.Formily.PropertiesEntry
+	(*SubscriberSnapShot)(nil),     // 26: m7s.SubscriberSnapShot
-	nil,                            // 27: m7s.Formily.ComponentPropsEntry
+	(*SubscribersResponse)(nil),    // 27: m7s.SubscribersResponse
-	nil,                            // 28: m7s.FormilyResponse.PropertiesEntry
+	nil,                            // 28: m7s.Formily.PropertiesEntry
-	nil,                            // 29: m7s.StreamWaitListResponse.ListEntry
+	nil,                            // 29: m7s.Formily.ComponentPropsEntry
-	nil,                            // 30: m7s.TrackSnapShotResponse.ReaderEntry
+	nil,                            // 30: m7s.FormilyResponse.PropertiesEntry
-	(*timestamppb.Timestamp)(nil),  // 31: google.protobuf.Timestamp
+	nil,                            // 31: m7s.StreamWaitListResponse.ListEntry
-	(*anypb.Any)(nil),              // 32: google.protobuf.Any
+	nil,                            // 32: m7s.TrackSnapShotResponse.ReaderEntry
-	(*emptypb.Empty)(nil),          // 33: google.protobuf.Empty
+	(*timestamppb.Timestamp)(nil),  // 33: google.protobuf.Timestamp
 	(*anypb.Any)(nil),              // 34: google.protobuf.Any
 	(*emptypb.Empty)(nil),          // 35: google.protobuf.Empty
 }
 var file_global_proto_depIdxs = []int32{
-	26, // 0: m7s.Formily.properties:type_name -> m7s.Formily.PropertiesEntry
+	28, // 0: m7s.Formily.properties:type_name -> m7s.Formily.PropertiesEntry
-	27, // 1: m7s.Formily.componentProps:type_name -> m7s.Formily.ComponentPropsEntry
+	29, // 1: m7s.Formily.componentProps:type_name -> m7s.Formily.ComponentPropsEntry
-	28, // 2: m7s.FormilyResponse.properties:type_name -> m7s.FormilyResponse.PropertiesEntry
+	30, // 2: m7s.FormilyResponse.properties:type_name -> m7s.FormilyResponse.PropertiesEntry
 	6,  // 3: m7s.SummaryResponse.memory:type_name -> m7s.Usage
 	6,  // 4: m7s.SummaryResponse.hardDisk:type_name -> m7s.Usage
 	5,  // 5: m7s.SummaryResponse.netWork:type_name -> m7s.NetWorkInfo
-	31, // 6: m7s.SysInfoResponse.startTime:type_name -> google.protobuf.Timestamp
+	33, // 6: m7s.SysInfoResponse.startTime:type_name -> google.protobuf.Timestamp
 	8,  // 7: m7s.SysInfoResponse.plugins:type_name -> m7s.PluginInfo
 	14, // 8: m7s.StreamListResponse.list:type_name -> m7s.StreamInfoResponse
-	29, // 9: m7s.StreamWaitListResponse.list:type_name -> m7s.StreamWaitListResponse.ListEntry
+	31, // 9: m7s.StreamWaitListResponse.list:type_name -> m7s.StreamWaitListResponse.ListEntry
-	17, // 10: m7s.StreamInfoResponse.audioTrack:type_name -> m7s.AudioTrackInfo
+	19, // 10: m7s.StreamInfoResponse.audioTrack:type_name -> m7s.AudioTrackInfo
-	19, // 11: m7s.StreamInfoResponse.videoTrack:type_name -> m7s.VideoTrackInfo
+	21, // 11: m7s.StreamInfoResponse.videoTrack:type_name -> m7s.VideoTrackInfo
-	31, // 12: m7s.StreamInfoResponse.startTime:type_name -> google.protobuf.Timestamp
+	33, // 12: m7s.StreamInfoResponse.startTime:type_name -> google.protobuf.Timestamp
-	31, // 13: m7s.TrackSnapShot.writeTime:type_name -> google.protobuf.Timestamp
+	33, // 13: m7s.TrackSnapShot.writeTime:type_name -> google.protobuf.Timestamp
 	15, // 14: m7s.TrackSnapShot.wrap:type_name -> m7s.Wrap
-	16, // 15: m7s.TrackSnapShotResponse.ring:type_name -> m7s.TrackSnapShot
+	17, // 15: m7s.MemoryBlockGroup.list:type_name -> m7s.MemoryBlock
-	30, // 16: m7s.TrackSnapShotResponse.reader:type_name -> m7s.TrackSnapShotResponse.ReaderEntry
+	16, // 16: m7s.TrackSnapShotResponse.ring:type_name -> m7s.TrackSnapShot
-	31, // 17: m7s.SubscriberSnapShot.startTime:type_name -> google.protobuf.Timestamp
+	32, // 17: m7s.TrackSnapShotResponse.reader:type_name -> m7s.TrackSnapShotResponse.ReaderEntry
-	23, // 18: m7s.SubscriberSnapShot.audioReader:type_name -> m7s.RingReaderSnapShot
+	18, // 18: m7s.TrackSnapShotResponse.memory:type_name -> m7s.MemoryBlockGroup
-	23, // 19: m7s.SubscriberSnapShot.videoReader:type_name -> m7s.RingReaderSnapShot
+	33, // 19: m7s.SubscriberSnapShot.startTime:type_name -> google.protobuf.Timestamp
-	24, // 20: m7s.SubscribersResponse.list:type_name -> m7s.SubscriberSnapShot
+	25, // 20: m7s.SubscriberSnapShot.audioReader:type_name -> m7s.RingReaderSnapShot
-	1,  // 21: m7s.Formily.PropertiesEntry.value:type_name -> m7s.Formily
+	25, // 21: m7s.SubscriberSnapShot.videoReader:type_name -> m7s.RingReaderSnapShot
-	32, // 22: m7s.Formily.ComponentPropsEntry.value:type_name -> google.protobuf.Any
+	26, // 22: m7s.SubscribersResponse.list:type_name -> m7s.SubscriberSnapShot
-	1,  // 23: m7s.FormilyResponse.PropertiesEntry.value:type_name -> m7s.Formily
+	1,  // 23: m7s.Formily.PropertiesEntry.value:type_name -> m7s.Formily
-	33, // 24: m7s.Global.SysInfo:input_type -> google.protobuf.Empty
+	34, // 24: m7s.Formily.ComponentPropsEntry.value:type_name -> google.protobuf.Any
-	33, // 25: m7s.Global.Summary:input_type -> google.protobuf.Empty
+	1,  // 25: m7s.FormilyResponse.PropertiesEntry.value:type_name -> m7s.Formily
-	21, // 26: m7s.Global.Shutdown:input_type -> m7s.RequestWithId
+	35, // 26: m7s.Global.SysInfo:input_type -> google.protobuf.Empty
-	21, // 27: m7s.Global.Restart:input_type -> m7s.RequestWithId
+	35, // 27: m7s.Global.Summary:input_type -> google.protobuf.Empty
-	10, // 28: m7s.Global.StreamList:input_type -> m7s.StreamListRequest
+	23, // 28: m7s.Global.Shutdown:input_type -> m7s.RequestWithId
-	33, // 29: m7s.Global.WaitList:input_type -> google.protobuf.Empty
+	23, // 29: m7s.Global.Restart:input_type -> m7s.RequestWithId
-	13, // 30: m7s.Global.StreamInfo:input_type -> m7s.StreamSnapRequest
+	10, // 30: m7s.Global.StreamList:input_type -> m7s.StreamListRequest
-	22, // 31: m7s.Global.GetSubscribers:input_type -> m7s.SubscribersRequest
+	35, // 31: m7s.Global.WaitList:input_type -> google.protobuf.Empty
-	13, // 32: m7s.Global.AudioTrackSnap:input_type -> m7s.StreamSnapRequest
+	13, // 32: m7s.Global.StreamInfo:input_type -> m7s.StreamSnapRequest
-	13, // 33: m7s.Global.VideoTrackSnap:input_type -> m7s.StreamSnapRequest
+	24, // 33: m7s.Global.GetSubscribers:input_type -> m7s.SubscribersRequest
-	21, // 34: m7s.Global.StopSubscribe:input_type -> m7s.RequestWithId
+	13, // 34: m7s.Global.AudioTrackSnap:input_type -> m7s.StreamSnapRequest
-	0,  // 35: m7s.Global.GetConfig:input_type -> m7s.GetConfigRequest
+	13, // 35: m7s.Global.VideoTrackSnap:input_type -> m7s.StreamSnapRequest
-	0,  // 36: m7s.Global.GetFormily:input_type -> m7s.GetConfigRequest
+	23, // 36: m7s.Global.StopSubscribe:input_type -> m7s.RequestWithId
-	4,  // 37: m7s.Global.ModifyConfig:input_type -> m7s.ModifyConfigRequest
+	0,  // 37: m7s.Global.GetConfig:input_type -> m7s.GetConfigRequest
-	9,  // 38: m7s.Global.SysInfo:output_type -> m7s.SysInfoResponse
+	0,  // 38: m7s.Global.GetFormily:input_type -> m7s.GetConfigRequest
-	7,  // 39: m7s.Global.Summary:output_type -> m7s.SummaryResponse
+	4,  // 39: m7s.Global.ModifyConfig:input_type -> m7s.ModifyConfigRequest
-	33, // 40: m7s.Global.Shutdown:output_type -> google.protobuf.Empty
+	9,  // 40: m7s.Global.SysInfo:output_type -> m7s.SysInfoResponse
-	33, // 41: m7s.Global.Restart:output_type -> google.protobuf.Empty
+	7,  // 41: m7s.Global.Summary:output_type -> m7s.SummaryResponse
-	11, // 42: m7s.Global.StreamList:output_type -> m7s.StreamListResponse
+	35, // 42: m7s.Global.Shutdown:output_type -> google.protobuf.Empty
-	12, // 43: m7s.Global.WaitList:output_type -> m7s.StreamWaitListResponse
+	35, // 43: m7s.Global.Restart:output_type -> google.protobuf.Empty
-	14, // 44: m7s.Global.StreamInfo:output_type -> m7s.StreamInfoResponse
+	11, // 44: m7s.Global.StreamList:output_type -> m7s.StreamListResponse
-	25, // 45: m7s.Global.GetSubscribers:output_type -> m7s.SubscribersResponse
+	12, // 45: m7s.Global.WaitList:output_type -> m7s.StreamWaitListResponse
-	18, // 46: m7s.Global.AudioTrackSnap:output_type -> m7s.TrackSnapShotResponse
+	14, // 46: m7s.Global.StreamInfo:output_type -> m7s.StreamInfoResponse
-	18, // 47: m7s.Global.VideoTrackSnap:output_type -> m7s.TrackSnapShotResponse
+	27, // 47: m7s.Global.GetSubscribers:output_type -> m7s.SubscribersResponse
-	20, // 48: m7s.Global.StopSubscribe:output_type -> m7s.SuccessResponse
+	20, // 48: m7s.Global.AudioTrackSnap:output_type -> m7s.TrackSnapShotResponse
-	3,  // 49: m7s.Global.GetConfig:output_type -> m7s.GetConfigResponse
+	20, // 49: m7s.Global.VideoTrackSnap:output_type -> m7s.TrackSnapShotResponse
-	3,  // 50: m7s.Global.GetFormily:output_type -> m7s.GetConfigResponse
+	22, // 50: m7s.Global.StopSubscribe:output_type -> m7s.SuccessResponse
-	20, // 51: m7s.Global.ModifyConfig:output_type -> m7s.SuccessResponse
+	3,  // 51: m7s.Global.GetConfig:output_type -> m7s.GetConfigResponse
-	38, // [38:52] is the sub-list for method output_type
+	3,  // 52: m7s.Global.GetFormily:output_type -> m7s.GetConfigResponse
-	24, // [24:38] is the sub-list for method input_type
+	22, // 53: m7s.Global.ModifyConfig:output_type -> m7s.SuccessResponse
-	24, // [24:24] is the sub-list for extension type_name
+	40, // [40:54] is the sub-list for method output_type
-	24, // [24:24] is the sub-list for extension extendee
+	26, // [26:40] is the sub-list for method input_type
-	0,  // [0:24] is the sub-list for field type_name
+	26, // [26:26] is the sub-list for extension type_name
 	26, // [26:26] is the sub-list for extension extendee
 	0,  // [0:26] is the sub-list for field type_name
 }
 func init() { file_global_proto_init() }
@@ -2502,7 +2635,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AudioTrackInfo); i {
+			switch v := v.(*MemoryBlock); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2514,7 +2647,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*TrackSnapShotResponse); i {
+			switch v := v.(*MemoryBlockGroup); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2526,7 +2659,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VideoTrackInfo); i {
+			switch v := v.(*AudioTrackInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2538,7 +2671,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SuccessResponse); i {
+			switch v := v.(*TrackSnapShotResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2550,7 +2683,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RequestWithId); i {
+			switch v := v.(*VideoTrackInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2562,7 +2695,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubscribersRequest); i {
+			switch v := v.(*SuccessResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2574,7 +2707,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RingReaderSnapShot); i {
+			switch v := v.(*RequestWithId); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2586,7 +2719,7 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubscriberSnapShot); i {
+			switch v := v.(*SubscribersRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2598,6 +2731,30 @@ func file_global_proto_init() {
 			}
 		}
 		file_global_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RingReaderSnapShot); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_global_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubscriberSnapShot); i {
 			case 0:
 				return &v.state
 			case 1:
 				return &v.sizeCache
 			case 2:
 				return &v.unknownFields
 			default:
 				return nil
 			}
 		}
 		file_global_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubscribersResponse); i {
 			case 0:
 				return &v.state
@@ -2616,7 +2773,7 @@ func file_global_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_global_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   31,
+			NumMessages:   33,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
--- a/pb/global.proto
+++ b/pb/global.proto
@@ -197,6 +197,16 @@ message TrackSnapShot {
  repeated Wrap wrap = 5;
 }
 message MemoryBlock {
  uint32 s = 1;
  uint32 e = 2;
 }
 message MemoryBlockGroup {
  uint32 size = 1;
  repeated MemoryBlock list = 2;
 }
 message AudioTrackInfo {
  string codec = 1;
  string delta = 2;
@@ -210,6 +220,7 @@ message AudioTrackInfo {
 message TrackSnapShotResponse {
  repeated TrackSnapShot ring = 1;
  map<uint32, uint32> reader = 2;
  repeated MemoryBlockGroup memory = 3;
 }
 message VideoTrackInfo {
--- a/pkg/annexb.go
+++ b/pkg/annexb.go
@@ -11,7 +11,7 @@ import (
 type AnnexB struct {
 	PTS time.Duration
 	DTS time.Duration
-	util.RecyclableBuffers
+	util.RecyclableMemory
 }
 // DecodeConfig implements pkg.IAVFrame.
@@ -27,7 +27,7 @@ func (a *AnnexB) DecodeConfig(t *AVTrack, ctx ICodecCtx) error {
 // GetSize implements pkg.IAVFrame.
 func (a *AnnexB) GetSize() int {
-	return a.Length
+	return a.Size
 }
 func (a *AnnexB) GetTimestamp() time.Duration {
@@ -41,7 +41,7 @@ func (a *AnnexB) Parse(t *AVTrack) (isIDR bool, isSeq bool, raw any, err error)
 // String implements pkg.IAVFrame.
 func (a *AnnexB) String() string {
-	return fmt.Sprintf("%d %d", a.DTS, a.Buffers.Length)
+	return fmt.Sprintf("%d %d", a.DTS, a.Memory.Size)
 }
 // ToRaw implements pkg.IAVFrame.
--- a/pkg/avframe.go
+++ b/pkg/avframe.go
@@ -62,7 +62,9 @@ type (
 		Raw          any       `json:"-" yaml:"-"` // 裸格式
 	}
 )
 var _ IAVFrame = (*AnnexB)(nil)
 func (frame *AVFrame) Reset() {
 	frame.Timestamp = 0
 	for _, wrap := range frame.Wraps {
@@ -98,7 +100,7 @@ func (nalus *Nalus) Append(bytes ...[]byte) {
 	nalus.Nalus = append(nalus.Nalus, bytes)
 }
-func (nalus *Nalus) ParseAVCC(reader *util.Buffers, naluSizeLen int) error {
+func (nalus *Nalus) ParseAVCC(reader *util.MemoryReader, naluSizeLen int) error {
 	for reader.Length > 0 {
 		l, err := reader.ReadBE(naluSizeLen)
 		if err != nil {
@@ -122,20 +124,20 @@ func (obus *OBUs) Append(bytes ...[]byte) {
 	obus.OBUs = append(obus.OBUs, bytes)
 }
-func (obus *OBUs) ParseAVCC(reader *util.Buffers) error {
+func (obus *OBUs) ParseAVCC(reader *util.MemoryReader) error {
 	var obuHeader av1.OBUHeader
 	startLen := reader.Length
 	for reader.Length > 0 {
-		offset := reader.Offset
+		offset := reader.Size - reader.Length
 		b, _ := reader.ReadByte()
 		obuHeader.Unmarshal([]byte{b})
 		// if log.Trace {
 		// 	vt.Trace("obu", zap.Any("type", obuHeader.Type), zap.Bool("iframe", vt.Value.IFrame))
 		// }
 		obuSize, _, _ := reader.LEB128Unmarshal()
-		end := reader.Offset
+		end := reader.Size - reader.Length
 		size := end - offset + int(obuSize)
-		reader = &util.Buffers{Buffers: reader.Buffers}
+		reader = &util.MemoryReader{Memory: reader.Memory, Length: startLen - offset}
 		reader.Skip(offset)
 		obu, err := reader.ReadBytes(size)
 		if err != nil {
 			return err
--- a/pkg/ring-writer.go
+++ b/pkg/ring-writer.go
@@ -17,7 +17,6 @@ type RingWriter struct {
 	*util.Ring[AVFrame]
 	IDRingList  //最近的关键帧位置，首屏渲染
 	ReaderCount atomic.Int32
 	Allocator   *util.ScalableMemoryAllocator
 	pool        *util.Ring[AVFrame]
 	poolSize    int
 	Size        int
@@ -60,7 +59,7 @@ func (rb *RingWriter) Glow(size int) (newItem *util.Ring[AVFrame]) {
 	return
 }
-func (rb *RingWriter) Recycle(r *util.Ring[AVFrame]) {
+func (rb *RingWriter) recycle(r *util.Ring[AVFrame]) {
 	rb.poolSize++
 	r.Value.Reset()
 	if rb.pool == nil {
@@ -72,23 +71,18 @@ func (rb *RingWriter) Recycle(r *util.Ring[AVFrame]) {
 func (rb *RingWriter) Reduce(size int) (r *util.Ring[AVFrame]) {
 	r = rb.Unlink(size)
 	if size > 1 {
 	for p := r.Next(); p != r; {
 		next := p.Next() //先保存下一个节点
-			if p.Value.discard {
+		if p.Value.TryLock() {
-				p.Prev().Unlink(1)
+			rb.recycle(p)
 			p.Value.Unlock()
 		} else {
 			p.Value.discard = true
 			dr := p.Prev().Unlink(1)
 			dr.Value.Reset()
 		}
 			// if p.Value.Discard() == 0 {
 			// 	rb.Recycle(p.Prev().Unlink(1))
 			// } else {
 			// 	// fmt.Println("Reduce", p.Value.ReaderCount())
 			// }
 		p = next
 	}
 	}
 	// if r.Value.Discard() == 0 {
 	// 	rb.Recycle(r)
 	// }
 	rb.Size -= size
 	return
 }
--- a/pkg/track.go
+++ b/pkg/track.go
@@ -37,6 +37,7 @@ type (
 		Track
 		*RingWriter
 		ICodecCtx
 		Allocator     *util.ScalableMemoryAllocator
 		SequenceFrame IAVFrame
 		WrapIndex     int
 	}
--- a/pkg/util/buf-reader.go
+++ b/pkg/util/buf-reader.go
@@ -8,14 +8,15 @@ const defaultBufSize = 65536
 type BufReader struct {
 	reader    io.Reader
-	buf    RecyclableBuffers
+	allocator *ScalableMemoryAllocator
 	buf       MemoryReader
 	BufLen    int
 }
 func NewBufReaderWithBufLen(reader io.Reader, bufLen int) (r *BufReader) {
 	r = &BufReader{}
 	r.reader = reader
-	r.buf.ScalableMemoryAllocator = NewScalableMemoryAllocator(bufLen)
+	r.allocator = NewScalableMemoryAllocator(bufLen)
 	r.BufLen = bufLen
 	return
 }
@@ -23,33 +24,33 @@ func NewBufReaderWithBufLen(reader io.Reader, bufLen int) (r *BufReader) {
 func NewBufReader(reader io.Reader) (r *BufReader) {
 	r = &BufReader{}
 	r.reader = reader
-	r.buf.ScalableMemoryAllocator = NewScalableMemoryAllocator(defaultBufSize)
+	r.allocator = NewScalableMemoryAllocator(defaultBufSize)
 	r.BufLen = defaultBufSize
 	return
 }
 func (r *BufReader) GetAllocator() *ScalableMemoryAllocator {
 	return r.buf.ScalableMemoryAllocator
 }
 func (r *BufReader) eat() error {
-	buf := r.buf.NextN(r.BufLen)
+	buf := r.allocator.Malloc(r.BufLen)
 	if n, err := r.reader.Read(buf); err != nil {
 		r.allocator.Free(buf)
 		return err
 	} else if n < r.BufLen {
-		r.buf.RecycleBack(r.BufLen - n)
+		r.buf.ReadFromBytes(buf[:n])
 		r.allocator.Free(buf[n:])
 	} else if n == r.BufLen {
 		r.buf.ReadFromBytes(buf)
 	}
 	return nil
 }
-func (r *BufReader) ReadByte() (byte, error) {
+func (r *BufReader) ReadByte() (b byte, err error) {
-	for r.buf.Length == 0 {
+	for ; r.buf.Length == 0 && err == nil; err = r.eat() {
-		err := r.eat()
+
 		if err != nil {
 			return 0, err
 	}
 	if err == nil {
 		b, err = r.buf.ReadByte()
 	}
-	return r.buf.ReadByte()
+	return
 }
 func (r *BufReader) ReadBE(n int) (num int, err error) {
@@ -85,17 +86,24 @@ func (r *BufReader) ReadBE32(n int) (num uint32, err error) {
 	return
 }
-func (r *BufReader) ReadBytes(n int) (mem RecyclableBuffers, err error) {
+func (r *BufReader) ReadBytes(n int) (mem RecyclableMemory, err error) {
-	mem.ScalableMemoryAllocator = r.buf.ScalableMemoryAllocator
+	mem.ScalableMemoryAllocator = r.allocator
-	for r.buf.RecycleFront(); n > 0 && err == nil; err = r.eat() {
+	for r.recycleFront(); n > 0 && err == nil; err = r.eat() {
 		if r.buf.Length > 0 {
 			if r.buf.Length >= n {
-				mem.ReadFromBytes(r.buf.Buffers.Cut(n)...)
+				mem.ReadFromBytes(r.buf.ClipN(n)...)
 				return
 			}
 			n -= r.buf.Length
-			mem.ReadFromBytes(r.buf.CutAll()...)
+			mem.ReadFromBytes(r.buf.Memory.Buffers...)
 			r.buf = MemoryReader{}
 		}
 	}
 	return
 }
 func (r *BufReader) recycleFront() {
 	for _, buf := range r.buf.ClipFront() {
 		r.allocator.Free(buf)
 	}
 }
--- a/pkg/util/buf-reader_test.go
+++ b/pkg/util/buf-reader_test.go
@@ -4,15 +4,30 @@ import (
 	"bufio"
 	"bytes"
 	"encoding/binary"
 	"io"
 	"math/rand"
 	"testing"
 )
 type limitReader struct {
 	reader io.Reader
 	limit  int
 }
 func (l *limitReader) Read(p []byte) (n int, err error) {
 	if len(p) > l.limit {
 		p = p[:l.limit]
 	}
 	n, err = l.reader.Read(p)
 	return
 }
 func TestBufRead(t *testing.T) {
 	t.Run(t.Name(), func(t *testing.T) {
 		var testData = []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}
 		testReader := bytes.NewReader(testData)
-		reader := NewBufReader(testReader)
+		limitReader := &limitReader{reader: testReader, limit: 2}
 		reader := NewBufReader(limitReader)
 		reader.BufLen = 5
 		b, err := reader.ReadByte()
 		if err != nil {
@@ -32,10 +47,6 @@ func TestBufRead(t *testing.T) {
 			t.Error("read be error")
 			return
 		}
 		if reader.buf.Length != 0 {
 			t.Error("reader.buf.Length != 0")
 			return
 		}
 		b, err = reader.ReadByte()
 		if err != nil {
 			t.Error(err)
@@ -50,16 +61,14 @@ func TestBufRead(t *testing.T) {
 			t.Error(err)
 			return
 		}
-		if len(mem.Buffers.Buffers) != 2 {
+		reader2 := mem.NewReader()
-			t.Error("len(mem.Buffers.Buffers) != 2")
+		b, err = reader2.ReadByte()
 		if err != nil {
 			t.Error(err)
 			return
 		}
-		if mem.Buffers.Buffers[0][0] != 7 {
+		if b != 7 {
-			t.Error("mem.Buffers.Buffers[0][0] != 7")
+			t.Error("byte read error")
 			return
 		}
 		if mem.Buffers.Buffers[1][0] != 11 {
 			t.Error("mem.Buffers.Buffers[1][0] != 10")
 			return
 		}
 		b, err = reader.ReadByte()
@@ -105,7 +114,7 @@ func BenchmarkBufRead(b *testing.B) {
 	b.RunParallel(func(pb *testing.PB) {
 		var testData = make([]byte, 10*1024*1024)
 		var err error
-		var mem RecyclableBuffers
+		var mem RecyclableMemory
 		for pb.Next() {
 			rand.Read(testData)
 			testReader := bytes.NewReader(testData)
--- a/pkg/util/buffers.go
+++ b/pkg/util/buffers.go
@@ -6,71 +6,105 @@ import (
 	"slices"
 )
-type Buffers struct {
+type Memory struct {
-	Offset    int
+	Size int
 	offset    int
 	Length    int
 	curBuf    []byte
 	curBufLen int
 	net.Buffers
 }
-func NewBuffersFromBytes(b ...[]byte) *Buffers {
+type MemoryReader struct {
-	return NewBuffers(net.Buffers(b))
+	Memory
 	Length  int
 	offset0 int
 	offset1 int
 }
-func NewBuffers(buffers net.Buffers) *Buffers {
+func NewMemoryFromBytes(b ...[]byte) *Memory {
-	ret := &Buffers{Buffers: buffers}
+	return NewMemory(b)
 }
 func NewReadableBuffersFromBytes(b ...[]byte) *MemoryReader {
 	buf := NewMemory(b)
 	return &MemoryReader{Memory: *buf, Length: buf.Size}
 }
 func NewMemory(buffers net.Buffers) *Memory {
 	ret := &Memory{Buffers: buffers}
 	for _, level0 := range buffers {
-		ret.Length += len(level0)
+		ret.Size += len(level0)
 	}
 	ret.curBuf = buffers[0]
 	ret.curBufLen = len(buffers[0])
 	return ret
 }
-func (buffers *Buffers) Pop() []byte {
+func (buffers *Memory) ReadFromBytes(b ...[]byte) {
-	if buffers.Length == 0 {
+	buffers.Buffers = append(buffers.Buffers, b...)
 	for _, level0 := range b {
 		buffers.Size += len(level0)
 	}
 }
 func (buffers *Memory) Count() int {
 	return len(buffers.Buffers)
 }
 func (buffers *Memory) Pop() []byte {
 	if buffers.Size == 0 {
 		return nil
 	}
 	l := len(buffers.Buffers) - 1
 	last := buffers.Buffers[l]
 	buffers.Buffers = buffers.Buffers[:l]
-	buffers.Length -= len(last)
+	buffers.Size -= len(last)
 	if buffers.offset == l {
 		buffers.curBuf = nil
 		buffers.curBufLen = 0
 	}
 	return last
 }
-func (buffers *Buffers) MoveToEnd() {
+//	func (buffers *Buffers) WriteTo(w io.Writer) (n int64, err error) {
-	buffers.curBuf = nil
+//		var buf net.Buffers
-	buffers.curBufLen = 0
+//		for _, buffer := range buffers.Buffers {
-	buffers.offset = len(buffers.Buffers)
+//			buf = append(buf, buffer)
-	buffers.Offset = buffers.Length
+//		}
 //		return buf.WriteTo(w)
 //	}
 func (r Memory) NewReader() *MemoryReader {
 	var reader MemoryReader
 	reader.Memory = r
 	reader.Length = r.Size
 	return &reader
 }
 func (buffers *MemoryReader) ReadFromBytes(b ...[]byte) {
 	buffers.Memory.Buffers = append(buffers.Memory.Buffers, b...)
 	for _, level0 := range b {
 		buffers.Size += len(level0)
 		buffers.Length += len(level0)
 	}
 }
 func (buffers *MemoryReader) Pop() []byte {
 	panic("ReadableBuffers Pop not allowed")
 }
 func (buffers *MemoryReader) GetCurrent() []byte {
 	return buffers.Memory.Buffers[buffers.offset0][buffers.offset1:]
 }
 func (buffers *MemoryReader) MoveToEnd() {
 	buffers.offset0 = buffers.Count()
 	buffers.offset1 = 0
 	buffers.Length = 0
 }
-func (buffers *Buffers) ReadFromBytes(b ...[]byte) {
+func (buffers *MemoryReader) ReadBytesTo(buf []byte) (actual int) {
 	buffers.Buffers = append(buffers.Buffers, b...)
 	for _, level0 := range b {
 		buffers.Length += len(level0)
 	}
 	if buffers.curBuf == nil {
 		buffers.curBuf = buffers.Buffers[buffers.offset]
 		buffers.curBufLen = len(buffers.curBuf)
 	}
 }
 func (buffers *Buffers) ReadBytesTo(buf []byte) (actual int) {
 	n := len(buf)
 	curBuf := buffers.GetCurrent()
 	curBufLen := len(curBuf)
 	if n > buffers.Length {
-		if buffers.curBufLen > 0 {
+		if curBufLen > 0 {
-			actual += copy(buf, buffers.curBuf)
+			actual += copy(buf, curBuf)
-			buffers.offset++
+			buffers.offset0++
 			buffers.offset1 = 0
 		}
-		for _, b := range buffers.Buffers[buffers.offset:] {
+		for _, b := range buffers.Memory.Buffers[buffers.offset0:] {
 			actual += copy(buf[actual:], b)
 		}
 		buffers.MoveToEnd()
@@ -78,15 +112,15 @@ func (buffers *Buffers) ReadBytesTo(buf []byte) (actual int) {
 	}
 	l := n
 	for n > 0 {
-		if n < buffers.curBufLen {
+		if n < curBufLen {
 			actual += n
-			copy(buf[l-n:], buffers.curBuf[:n])
+			copy(buf[l-n:], curBuf[:n])
 			buffers.forward(n)
 			break
 		}
-		copy(buf[l-n:], buffers.curBuf)
+		copy(buf[l-n:], curBuf)
-		n -= buffers.curBufLen
+		n -= curBufLen
-		actual += buffers.curBufLen
+		actual += curBufLen
 		buffers.skipBuf()
 		if buffers.Length == 0 && n > 0 {
 			return
@@ -94,12 +128,12 @@ func (buffers *Buffers) ReadBytesTo(buf []byte) (actual int) {
 	}
 	return
 }
-func (buffers *Buffers) ReadByteTo(b ...*byte) (err error) {
+func (reader *MemoryReader) ReadByteTo(b ...*byte) (err error) {
 	for i := range b {
-		if buffers.Length == 0 {
+		if reader.Length == 0 {
 			return io.EOF
 		}
-		*b[i], err = buffers.ReadByte()
+		*b[i], err = reader.ReadByte()
 		if err != nil {
 			return
 		}
@@ -107,31 +141,33 @@ func (buffers *Buffers) ReadByteTo(b ...*byte) (err error) {
 	return
 }
-func (buffers *Buffers) ReadByteMask(mask byte) (byte, error) {
+func (reader *MemoryReader) ReadByteMask(mask byte) (byte, error) {
-	b, err := buffers.ReadByte()
+	b, err := reader.ReadByte()
 	if err != nil {
 		return 0, err
 	}
 	return b & mask, nil
 }
-func (buffers *Buffers) ReadByte() (byte, error) {
+func (reader *MemoryReader) ReadByte() (b byte, err error) {
-	if buffers.Length == 0 {
+	if reader.Length == 0 {
 		return 0, io.EOF
 	}
-	if buffers.curBufLen == 1 {
+	curBuf := reader.GetCurrent()
-		defer buffers.skipBuf()
+	b = curBuf[0]
 	if len(curBuf) == 1 {
 		reader.skipBuf()
 	} else {
-		defer buffers.forward(1)
+		reader.forward(1)
 	}
-	return buffers.curBuf[0], nil
+	return
 }
-func (buffers *Buffers) LEB128Unmarshal() (uint, int, error) {
+func (reader *MemoryReader) LEB128Unmarshal() (uint, int, error) {
 	v := uint(0)
 	n := 0
 	for i := 0; i < 8; i++ {
-		b, err := buffers.ReadByte()
+		b, err := reader.ReadByte()
 		if err != nil {
 			return 0, 0, err
 		}
@@ -145,87 +181,82 @@ func (buffers *Buffers) LEB128Unmarshal() (uint, int, error) {
 	return v, n, nil
 }
-
+func (reader *MemoryReader) getCurrentBufLen() int {
-func (buffers *Buffers) Skip(n int) error {
+	return len(reader.Memory.Buffers[reader.offset0]) - reader.offset1
-	if n > buffers.Length {
+}
 func (reader *MemoryReader) Skip(n int) error {
 	if n > reader.Length {
 		return io.EOF
 	}
 	curBufLen := reader.getCurrentBufLen()
 	for n > 0 {
-		if n < buffers.curBufLen {
+		if n < curBufLen {
-			buffers.forward(n)
+			reader.forward(n)
 			break
 		}
-		n -= buffers.curBufLen
+		n -= curBufLen
-		buffers.skipBuf()
+		reader.skipBuf()
-		if buffers.Length == 0 && n > 0 {
+		if reader.Length == 0 && n > 0 {
 			return io.EOF
 		}
 	}
 	return nil
 }
-func (buffers *Buffers) forward(n int) {
+func (reader *MemoryReader) forward(n int) {
-	buffers.curBuf = buffers.curBuf[n:]
+	reader.Length -= n
-	buffers.curBufLen -= n
+	reader.offset1 += n
 	buffers.Length -= n
 	buffers.Offset += n
 }
-func (buffers *Buffers) skipBuf() {
+func (buffers *MemoryReader) skipBuf() {
-	buffers.Offset += buffers.curBufLen
+	curBufLen := buffers.getCurrentBufLen()
-	buffers.Length -= buffers.curBufLen
+	buffers.Length -= curBufLen
-	buffers.offset++
+	buffers.offset0++
-	if buffers.Length > 0 {
+	buffers.offset1 = 0
 		buffers.curBuf = buffers.Buffers[buffers.offset]
 		buffers.curBufLen = len(buffers.curBuf)
 	} else {
 		buffers.curBuf = nil
 		buffers.curBufLen = 0
 	}
 }
-func (buffers *Buffers) ReadBytes(n int) ([]byte, error) {
+func (reader *MemoryReader) ReadBytes(n int) ([]byte, error) {
-	if n > buffers.Length {
+	if n > reader.Length {
 		return nil, io.EOF
 	}
 	b := make([]byte, n)
-	actual := buffers.ReadBytesTo(b)
+	actual := reader.ReadBytesTo(b)
 	return b[:actual], nil
 }
-func (buffers *Buffers) WriteTo(w io.Writer) (n int64, err error) {
+// func (buffers *ReadableBuffers) WriteTo(w io.Writer) (n int64, err error) {
-	var buf net.Buffers
+// 	var buf net.Buffers
-	if len(buffers.Buffers) > buffers.offset {
+// 	if buffers.Count() > buffers.offset1 {
-		buf = append(buf, buffers.Buffers[buffers.offset:]...)
+// 		buf = append(buf, buffers.Buffers[buffers.offset:]...)
-	}
+// 	}
-	if buffers.curBufLen > 0 {
+// 	if buffers.curBufLen > 0 {
-		buf[0] = buffers.curBuf
+// 		buf[0] = buffers.curBuf
-	}
+// 	}
-	buffers.MoveToEnd()
+// 	buffers.MoveToEnd()
-	return buf.WriteTo(w)
+// 	return buf.WriteTo(w)
-}
+// }
-func (buffers *Buffers) ReadN(n int) (r net.Buffers, actual int) {
+func (reader *MemoryReader) WriteNTo(n int, result *net.Buffers) (actual int) {
-	actual = buffers.WriteNTo(n, &r)
+	for actual = n; reader.Length > 0 && n > 0; reader.skipBuf() {
-	return
+		curBuf := reader.GetCurrent()
-}
+		if len(curBuf) > n {
-
+			if result != nil {
-func (buffers *Buffers) WriteNTo(n int, result *net.Buffers) (actual int) {
+				*result = append(*result, curBuf[:n])
-	for actual = n; buffers.Length > 0 && n > 0; buffers.skipBuf() {
+			}
-		if buffers.curBufLen > n {
+			reader.forward(n)
 			*result = append(*result, buffers.curBuf[:n])
 			buffers.forward(n)
 			return actual
 		}
-		*result = append(*result, buffers.curBuf)
+		if result != nil {
-		n -= buffers.curBufLen
+			*result = append(*result, curBuf)
 		}
 		n -= len(curBuf)
 	}
 	return actual - n
 }
-func (buffers *Buffers) ReadBE(n int) (num int, err error) {
+func (reader *MemoryReader) ReadBE(n int) (num int, err error) {
 	for i := range n {
-		b, err := buffers.ReadByte()
+		b, err := reader.ReadByte()
 		if err != nil {
 			return -1, err
 		}
@@ -234,126 +265,41 @@ func (buffers *Buffers) ReadBE(n int) (num int, err error) {
 	return
 }
-func (buffers *Buffers) Consumes() (r net.Buffers) {
+func (reader *MemoryReader) ClipN(n int) (r net.Buffers) {
-	for i := range buffers.offset {
+	reader.WriteNTo(n, nil)
-		r = append(r, buffers.Buffers[i])
+	return reader.ClipFront()
 	}
 	if buffers.curBufLen > 0 {
 		r = append(r, buffers.curBuf[:len(buffers.curBuf)-buffers.curBufLen])
 	}
 	return
 }
-func (buffers *Buffers) ClipFront() (r net.Buffers) {
+func (reader *MemoryReader) ClipFront() (r net.Buffers) {
-	if buffers.Offset == 0 {
+	offset := reader.Size - reader.Length
 	if offset == 0 {
 		return
 	}
-	if buffers.Length == 0 {
+	buffers := &reader.Memory
 	if reader.Length == 0 {
 		r = buffers.Buffers
 		buffers.Buffers = buffers.Buffers[:0]
 		buffers.curBuf = nil
 		buffers.curBufLen = 0
 		buffers.offset = 0
 		buffers.Offset = 0
 		return
 	}
 	for i := range buffers.offset {
 		r = append(r, buffers.Buffers[i])
 		l := len(buffers.Buffers[i])
 		buffers.Offset -= l
 	}
 	if buffers.curBufLen > 0 {
 		l := len(buffers.Buffers[buffers.offset]) - buffers.curBufLen
 		r = append(r, buffers.Buffers[buffers.offset][:l])
 		buffers.Offset -= l
 	}
 	buffers.Buffers = buffers.Buffers[buffers.offset:]
 	buffers.Buffers[0] = buffers.curBuf
 	buffers.offset = 0
 	buffers.Offset = 0
 	return r
 }
 func (buffers *Buffers) ClipBack(n int) []byte {
 	lastBuf := buffers.Buffers[len(buffers.Buffers)-1]
 	lastBufLen := len(lastBuf)
 	if lastBufLen < n {
 		panic("ClipBack: n > lastBufLen")
 	}
 	ret := lastBuf[lastBufLen-n:]
 	buffers.Buffers[len(buffers.Buffers)-1] = lastBuf[:lastBufLen-n]
 	buffers.Length -= n
 	if buffers.Length > 0 {
 		if buffers.offset == len(buffers.Buffers)-1 {
 			buffers.curBuf = buffers.curBuf[:buffers.curBufLen-n]
 			buffers.curBufLen -= n
 		}
 	} else {
-		buffers.curBuf = nil
+		for i := range reader.offset0 {
 		buffers.curBufLen = 0
 		buffers.Length = 0
 	}
 	return ret
 }
 func (buffers *Buffers) CutAll() (r net.Buffers) {
 	r = append(r, buffers.curBuf)
 	for i := buffers.offset + 1; i < len(buffers.Buffers); i++ {
 			r = append(r, buffers.Buffers[i])
 		}
-	if len(buffers.Buffers[buffers.offset]) == buffers.curBufLen {
+		if reader.getCurrentBufLen() > 0 {
-		buffers.Buffers = buffers.Buffers[:buffers.offset]
+			r = append(r, buffers.Buffers[reader.offset0][:reader.offset1])
-	} else {
+			buffers.Buffers[reader.offset0] = reader.GetCurrent()
 		buffers.Buffers[buffers.offset] = buffers.Buffers[buffers.offset][:buffers.curBufLen]
 		buffers.offset++
 		}
-	buffers.Length = 0
+		if reader.offset0 > 0 {
-	buffers.curBuf = nil
+			buffers.Buffers = slices.Delete(buffers.Buffers, 0, reader.offset0)
-	buffers.curBufLen = 0
+		}
 	}
 	reader.Size -= offset
 	reader.offset0 = 0
 	reader.offset1 = 0
 	return
 }
-func (buffers *Buffers) Cut(n int) (r net.Buffers) {
+func (buffers *Memory) ToBytes() []byte {
-	buffers.CutTo(n, &r)
+	ret := make([]byte, buffers.Size)
 	return
 }
 func (buffers *Buffers) CutTo(n int, result *net.Buffers) (actual int) {
 	for actual = n; buffers.Length > 0 && n > 0; {
 		if buffers.curBufLen > n {
 			*result = append(*result, buffers.curBuf[:n])
 			buffers.curBuf = buffers.curBuf[n:]
 			buffers.curBufLen -= n
 			buffers.Buffers[buffers.offset] = buffers.curBuf
 			buffers.Length -= n
 			return actual
 		}
 		*result = append(*result, buffers.curBuf)
 		n -= buffers.curBufLen
 		buffers.Length -= buffers.curBufLen
 		if len(buffers.Buffers[buffers.offset]) == buffers.curBufLen {
 			buffers.Buffers = slices.Delete(buffers.Buffers, buffers.offset, 1)
 		} else {
 			buffers.Buffers[buffers.offset] = buffers.Buffers[buffers.offset][:buffers.curBufLen]
 			buffers.offset++
 		}
 		if buffers.Length > 0 {
 			buffers.curBuf = buffers.Buffers[buffers.offset]
 			buffers.curBufLen = len(buffers.curBuf)
 		} else {
 			buffers.curBuf = nil
 			buffers.curBufLen = 0
 		}
 	}
 	return actual - n
 }
 func (buffers *Buffers) ToBytes() []byte {
 	ret := make([]byte, buffers.Length)
 	buffers.Read(ret)
-	buffers.offset = 0
+	buffers.Size = 0
 	buffers.Offset = 0
 	buffers.Length = 0
 	buffers.curBuf = nil
 	return ret
 }
--- a/pkg/util/fatal/latest.log
+++ b/pkg/util/fatal/latest.log
--- a/pkg/util/mem.go
+++ b/pkg/util/mem.go
@@ -1,33 +1,43 @@
 package util
 import (
 	"fmt"
 	"unsafe"
 )
-type Block [2]int
+type Block struct {
-
+	start int
-func (block Block) Len() int {
+	end   int
 	return block[1] - block[0]
 }
-func (block Block) Split() (int, int) {
+func (block Block) Len() int {
-	return block[0], block[1]
+	return block.end - block.start
 }
 func (block *Block) Combine(s, e int) (ret bool) {
-	if ret = block[0] == e; ret {
+	if block.start == e {
-		block[0] = s
+		block.start = s
-	} else if ret = block[1] == s; ret {
+	} else if block.end == s {
-		block[1] = e
+		block.end = e
-	}
+	} else {
 		return
 	}
 	return true
 }
 func (block *Block) CutFront(n int) bool {
 	if n > block.Len() {
 		return false
 	}
 	block.start += n
 	return true
 }
 type MemoryAllocator struct {
 	start  int64
 	memory []byte
 	Size   int
 	blocks *List[Block]
 	Size   int
 }
 func NewMemoryAllocator(size int) (ret *MemoryAllocator) {
@@ -41,188 +51,178 @@ func NewMemoryAllocator(size int) (ret *MemoryAllocator) {
 	return
 }
-func (ma *MemoryAllocator) Malloc2(size int) (memory []byte, start, end int) {
+func (ma *MemoryAllocator) Malloc(size int) (memory []byte) {
 	for be := ma.blocks.Front(); be != nil; be = be.Next() {
-		start, end = be.Value.Split()
+		if start := be.Value.start; be.Value.CutFront(size) {
-		if e := start + size; end >= e {
+			if be.Value.Len() == 0 {
 			memory = ma.memory[start:e]
 			if be.Value[0] = e; end == e {
 				ma.blocks.Remove(be)
 			}
-			end = e
+			memory = ma.memory[start:be.Value.start]
 			return
 		}
 	}
 	return
 }
-func (ma *MemoryAllocator) Malloc(size int) (memory []byte) {
+func (ma *MemoryAllocator) GetFreeSize() (ret int) {
 	memory, _, _ = ma.Malloc2(size)
 	return
 }
 func (ma *MemoryAllocator) Free2(start, end int) bool {
 	if start < 0 || end > ma.Size || start >= end {
 		return false
 	}
 	for e := ma.blocks.Front(); e != nil; e = e.Next() {
-		if e.Value.Combine(start, end) {
+		ret += e.Value.Len()
 			return true
 	}
-		if end < e.Value[0] {
+	return
 }
 func (ma *MemoryAllocator) free(start, end int) (ret bool) {
 	if start < 0 || end > ma.Size || start >= end {
 		return
 	}
 	ret = true
 	l := end - start
 	freeSize := ma.GetFreeSize()
 	defer func() {
 		if freeSize+l != ma.GetFreeSize() {
 			panic("freeSize")
 		}
 	}()
 	for e := ma.blocks.Front(); e != nil; e = e.Next() {
 		if end < e.Value.start {
 			ma.blocks.InsertBefore(Block{start, end}, e)
-			return true
+			return
 		}
 		// combine to next block
 		if e.Value.start == end {
 			e.Value.start = start
 			return
 		}
 		// combine to previous block
 		if e.Value.end == start {
 			e.Value.end = end
 			// combine 3 blocks
 			if next := e.Next(); next != nil && next.Value.start == end {
 				e.Value.end = next.Value.end
 				ma.blocks.Remove(next)
 			}
 			return
 		}
 	}
 	ma.blocks.PushBack(Block{start, end})
-	return true
+	return
 }
 func (ma *MemoryAllocator) Free(mem []byte) bool {
-	ptr := uintptr(unsafe.Pointer(&mem[:1][0]))
+	ptr := uintptr(unsafe.Pointer(&mem[0]))
 	start := int(int64(ptr) - ma.start)
-	return ma.Free2(start, start+len(mem))
+	return ma.free(start, start+len(mem))
 }
-func (ma *MemoryAllocator) GetBlocks() (blocks []Block) {
+func (ma *MemoryAllocator) GetBlocks() (blocks [][2]int) {
 	for e := ma.blocks.Front(); e != nil; e = e.Next() {
-		blocks = append(blocks, e.Value)
+		blocks = append(blocks, [2]int{e.Value.start, e.Value.end})
 	}
 	return
 }
-type ScalableMemoryAllocator []*MemoryAllocator
+var EnableCheckSize bool = true
 type ScalableMemoryAllocator struct {
 	children    []*MemoryAllocator
 	totalMalloc int64
 	totalFree   int64
 	size        int
 }
 func NewScalableMemoryAllocator(size int) (ret *ScalableMemoryAllocator) {
-	return &ScalableMemoryAllocator{NewMemoryAllocator(size)}
+	return &ScalableMemoryAllocator{children: []*MemoryAllocator{NewMemoryAllocator(size)}, size: size}
 }
 func (sma *ScalableMemoryAllocator) checkSize() {
 	var totalFree int
 	for _, child := range sma.children {
 		totalFree += child.GetFreeSize()
 	}
 	if totalFree != sma.size-(int(sma.totalMalloc)-int(sma.totalFree)) {
 		panic("CheckSize")
 	}
 }
 func (sma *ScalableMemoryAllocator) addMallocCount(size int) {
 	sma.totalMalloc += int64(size)
 }
 func (sma *ScalableMemoryAllocator) addFreeCount(size int) {
 	sma.totalFree += int64(size)
 }
 func (sma *ScalableMemoryAllocator) GetTotalMalloc() int64 {
 	return sma.totalMalloc
 }
 func (sma *ScalableMemoryAllocator) GetTotalFree() int64 {
 	return sma.totalFree
 }
 func (sma *ScalableMemoryAllocator) GetChildren() []*MemoryAllocator {
 	return sma.children
 }
 func (sma *ScalableMemoryAllocator) Malloc(size int) (memory []byte) {
 	if sma == nil {
 		return make([]byte, size)
 	}
-	memory, _, _, _ = sma.Malloc2(size)
+	if EnableCheckSize {
-	return memory
+		defer sma.checkSize()
 	}
 	defer sma.addMallocCount(size)
 	var child *MemoryAllocator
 	for _, child = range sma.children {
 		if memory = child.Malloc(size); memory != nil {
 			return
 		}
 	}
 	child = NewMemoryAllocator(max(child.Size*2, size))
 	sma.size += child.Size
 	memory = child.Malloc(size)
 	sma.children = append(sma.children, child)
 	return
 }
 func (sma *ScalableMemoryAllocator) Malloc2(size int) (memory []byte, index, start, end int) {
 	for i, child := range *sma {
 		index = i
 		if memory, start, end = child.Malloc2(size); memory != nil {
 			return
 		}
 	}
 	n := NewMemoryAllocator(max((*sma)[index].Size*2, size))
 	index++
 	memory, start, end = n.Malloc2(size)
 	*sma = append(*sma, n)
 	return
 }
 func (sma *ScalableMemoryAllocator) GetScalableMemoryAllocator() *ScalableMemoryAllocator {
 	return sma
 }
 func (sma *ScalableMemoryAllocator) Free(mem []byte) bool {
 	if sma == nil {
 		return false
 	}
-	ptr := uintptr(unsafe.Pointer(&mem[:1][0]))
+	if EnableCheckSize {
-	for _, child := range *sma {
+		defer sma.checkSize()
-		if start := int(int64(ptr) - child.start); child.Free2(start, start+len(mem)) {
+	}
 	ptr := int64(uintptr(unsafe.Pointer(&mem[0])))
 	size := len(mem)
 	for _, child := range sma.children {
 		if start := int(ptr - child.start); child.free(start, start+size) {
 			sma.addFreeCount(size)
 			return true
 		}
 	}
 	return false
 }
-func (sma *ScalableMemoryAllocator) Free2(index, start, end int) bool {
+type RecyclableMemory struct {
 	if index < 0 || index >= len(*sma) {
 		return false
 	}
 	return (*sma)[index].Free2(start, end)
 }
 // type RecyclableMemory struct {
 // 	*ScalableMemoryAllocator
 // 	mem []int
 // }
 // func (r *RecyclableMemory) Malloc(size int) (memory []byte) {
 // 	ret, i, start, end := r.Malloc2(size)
 // 	// ml := len(r.mem)
 // 	// if lastI, lastE := ml-3, ml-1; lastI > 0 && r.mem[lastI] == i && r.mem[lastE] == start {
 // 	// 	r.mem[lastE] = end
 // 	// } else {
 // 	r.mem = append(r.mem, i, start, end)
 // 	// }
 // 	return ret
 // }
 // func (r *RecyclableMemory) Pop() []int {
 // 	l := len(r.mem)
 // 	if l == 0 {
 // 		return nil
 // 	}
 // 	ret := r.mem[l-3:]
 // 	r.mem = r.mem[:l-3]
 // 	return ret
 // }
 // func (r *RecyclableMemory) Push(args ...int) {
 // 	r.mem = append(r.mem, args...)
 // }
 // func (r *RecyclableMemory) Recycle() {
 // 	for i := 0; i < len(r.mem); i += 3 {
 // 		r.Free2(r.mem[i], r.mem[i+1], r.mem[i+2])
 // 	}
 // 	r.mem = r.mem[:0]
 // }
 // func (r *RecyclableMemory) RecycleBack(n int) {
 // 	l := len(r.mem)
 // 	end := &r.mem[l-1]
 // 	start := *end - n
 // 	r.Free2(r.mem[l-3], start, *end)
 // 	*end = start
 // 	if start == r.mem[l-2] {
 // 		r.mem = r.mem[:l-3]
 // 	}
 // }
 type RecyclableBuffers struct {
 	*ScalableMemoryAllocator
-	Buffers
+	Memory
 }
-func (r *RecyclableBuffers) NextN(size int) (memory []byte) {
+func (r *RecyclableMemory) NextN(size int) (memory []byte) {
 	memory = r.ScalableMemoryAllocator.Malloc(size)
-	r.Buffers.ReadFromBytes(memory)
+	r.Memory.ReadFromBytes(memory)
 	return
 }
-func (r *RecyclableBuffers) Recycle() {
+func (r *RecyclableMemory) Recycle() {
-	for _, buf := range r.Buffers.Buffers {
+	for i, buf := range r.Memory.Buffers {
-		r.Free(buf)
+		ret := r.Free(buf)
 		if !ret {
 			fmt.Println(i)
 		}
 	}
 }
 func (r *RecyclableBuffers) RecycleBack(n int) {
 	r.Free(r.ClipBack(n))
 }
 func (r *RecyclableBuffers) RecycleFront() {
 	for _, buf := range r.Buffers.ClipFront() {
 		r.Free(buf)
 	}
 }
 // func (r *RecyclableBuffers) Cut(n int) (child RecyclableBuffers) {
 // 	child.ScalableMemoryAllocator = r.ScalableMemoryAllocator
 // 	child.ReadFromBytes(r.Buffers.Cut(n)...)
 // 	return
 // }
 type IAllocator interface {
 	Malloc(int) []byte
 	Free([]byte) bool
 }
--- a/plugin/hdl/index.go
+++ b/plugin/hdl/index.go
@@ -105,9 +105,9 @@ func (p *HDLPlugin) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	copy(b[:4], flv[3])
 	gotFlvTag(flv[:3])
 	rtmpData2FlvTag := func(t byte, data *rtmp.RTMPData) error {
-		WriteFLVTag(t, data.Timestamp, uint32(data.Length), b[4:])
+		WriteFLVTag(t, data.Timestamp, uint32(data.Size), b[4:])
-		defer binary.BigEndian.PutUint32(b[:4], uint32(data.Length)+11)
+		defer binary.BigEndian.PutUint32(b[:4], uint32(data.Size)+11)
-		return gotFlvTag(append(net.Buffers{b[:]}, data.Buffers.Buffers...))
+		return gotFlvTag(append(net.Buffers{b[:]}, data.Memory.Buffers...))
 	}
 	sub.Handle(m7s.SubscriberHandler{
 		OnAudio: func(audio *rtmp.RTMPAudio) error {
--- a/plugin/hdl/pkg/pull.go
+++ b/plugin/hdl/pkg/pull.go
@@ -51,13 +51,14 @@ func (puller *HDLPuller) Connect(p *m7s.Client) (err error) {
 		}
 	}
 	if err == nil {
-		var head util.RecyclableBuffers
+		var head util.RecyclableMemory
 		head, err = puller.BufReader.ReadBytes(13)
 		defer head.Recycle()
 		if err == nil {
 			var flvHead [3]byte
 			var version, flag byte
-			head.ReadByteTo(&flvHead[0], &flvHead[1], &flvHead[2], &version, &flag)
+			var reader = head.NewReader()
 			reader.ReadByteTo(&flvHead[0], &flvHead[1], &flvHead[2], &version, &flag)
 			if flvHead != [...]byte{'F', 'L', 'V'} {
 				err = errors.New("not flv file")
 			} else {
@@ -101,7 +102,7 @@ func (puller *HDLPuller) Pull(p *m7s.Puller) (err error) {
 		}
 		puller.ReadBE(3) // stream id always 0
 		var frame rtmp.RTMPData
-		frame.RecyclableBuffers, err = puller.ReadBytes(int(dataSize))
+		frame.RecyclableMemory, err = puller.ReadBytes(int(dataSize))
 		if err != nil {
 			frame.Recycle()
 			return err
@@ -111,13 +112,9 @@ func (puller *HDLPuller) Pull(p *m7s.Puller) (err error) {
 		// fmt.Println(t, offsetTs, timestamp, startTs, puller.absTS)
 		switch t {
 		case FLV_TAG_TYPE_AUDIO:
 			if pubConf.PubAudio {
 			p.WriteAudio(frame.WrapAudio())
 			}
 		case FLV_TAG_TYPE_VIDEO:
 			if pubConf.PubVideo {
 			p.WriteVideo(frame.WrapVideo())
 			}
 		case FLV_TAG_TYPE_SCRIPT:
 			p.Info("script")
 			frame.Recycle()
--- a/plugin/rtmp/pkg/audio.go
+++ b/plugin/rtmp/pkg/audio.go
@@ -10,7 +10,7 @@ type RTMPAudio struct {
 }
 func (avcc *RTMPAudio) Parse(t *AVTrack) (isIDR, isSeq bool, raw any, err error) {
-	reader := avcc.Buffers
+	reader := avcc.NewReader()
 	var b, b0, b1 byte
 	b, err = reader.ReadByte()
 	if err != nil {
@@ -87,13 +87,13 @@ func (avcc *RTMPAudio) DecodeConfig(t *AVTrack, from ICodecCtx) (err error) {
 }
 func (avcc *RTMPAudio) ToRaw(codecCtx ICodecCtx) (any, error) {
-	reader := avcc.Buffers
+	reader := avcc.NewReader()
 	if _, ok := codecCtx.(*AACCtx); ok {
 		err := reader.Skip(2)
-		return reader.Buffers, err
+		return reader.Memory, err
 	} else {
 		err := reader.Skip(1)
-		return reader.Buffers, err
+		return reader.Memory, err
 	}
 }
--- a/plugin/rtmp/pkg/codec.go
+++ b/plugin/rtmp/pkg/codec.go
@@ -199,7 +199,7 @@ func (p *AVCDecoderConfigurationRecord) Marshal(b []byte) (n int) {
 var ErrDecconfInvalid = errors.New("decode error")
-func (ctx *H264Ctx) Unmarshal(b *util.Buffers) (err error) {
+func (ctx *H264Ctx) Unmarshal(b *util.MemoryReader) (err error) {
 	if b.Length < 7 {
 		err = errors.New("not enough len")
 		return
@@ -263,8 +263,7 @@ var RTMP_AVC_HEAD = []byte{0x17, 0x00, 0x00, 0x00, 0x00, 0x01, 0x42, 0x00, 0x1E,
 var ErrHevc = errors.New("hevc parse config error")
-
+func (ctx *H265Ctx) Unmarshal(b *util.MemoryReader) (err error) {
 func (ctx *H265Ctx) Unmarshal(b *util.Buffers) (err error) {
 	if b.Length < 23 {
 		err = errors.New("not enough len")
 		return
@@ -704,7 +703,7 @@ func (p *AV1Ctx) GetInfo() string {
 	return fmt.Sprintf("% 02X", p.ConfigOBUs)
 }
-func (p *AV1Ctx) Unmarshal(data *util.Buffers) (err error) {
+func (p *AV1Ctx) Unmarshal(data *util.MemoryReader) (err error) {
 	if data.Length < 4 {
 		err = io.ErrShortWrite
 		return
--- a/plugin/rtmp/pkg/const.go
+++ b/plugin/rtmp/pkg/const.go
@@ -18,23 +18,22 @@ const (
 type RTMPData struct {
 	Timestamp uint32
-	util.RecyclableBuffers
+	util.RecyclableMemory
 }
 func (avcc *RTMPData) GetSize() int {
-	return avcc.Length
+	return avcc.Size
 }
 func (avcc *RTMPData) MarshalJSON() ([]byte, error) {
-	return []byte(fmt.Sprintf(`{"Timestamp":%d,"Size":%d,"Data":"%s"}`, avcc.Timestamp, avcc.Length, avcc.String())), nil
+	return []byte(fmt.Sprintf(`{"Timestamp":%d,"Size":%d,"Data":"%s"}`, avcc.Timestamp, avcc.Size, avcc.String())), nil
 }
 func (avcc *RTMPData) String() string {
-	reader := avcc.Buffers
+	reader := avcc.NewReader()
-	first10 := avcc.Malloc(10)
+	var bytes10 [10]byte
-	reader.ReadBytesTo(first10)
+	reader.ReadBytesTo(bytes10[:])
-	defer avcc.Free(first10)
+	return fmt.Sprintf("%d % 02X", avcc.Timestamp, bytes10[:])
 	return fmt.Sprintf("%d % 02X", avcc.Timestamp, first10)
 }
 func (avcc *RTMPData) GetTimestamp() time.Duration {
--- a/plugin/rtmp/pkg/media.go
+++ b/plugin/rtmp/pkg/media.go
@@ -15,7 +15,7 @@ type AVSender struct {
 func (av *AVSender) SendFrame(frame *RTMPData) (err error) {
 	// seq := frame.Sequence
-	payloadLen := frame.Length
+	payloadLen := frame.Size
 	if payloadLen == 0 {
 		err = errors.New("payload is empty")
 		// av.Error("payload is empty", zap.Error(err))
@@ -37,10 +37,10 @@ func (av *AVSender) SendFrame(frame *RTMPData) (err error) {
 	// 当Chunk Type为0时(即Chunk12),
 	if av.lastAbs == 0 {
 		av.SetTimestamp(frame.Timestamp)
-		err = av.sendChunk(frame.Buffers, &av.ChunkHeader, RTMP_CHUNK_HEAD_12)
+		err = av.sendChunk(frame.Memory.Buffers, &av.ChunkHeader, RTMP_CHUNK_HEAD_12)
 	} else {
 		av.SetTimestamp(frame.Timestamp - av.lastAbs)
-		err = av.sendChunk(frame.Buffers, &av.ChunkHeader, RTMP_CHUNK_HEAD_8)
+		err = av.sendChunk(frame.Memory.Buffers, &av.ChunkHeader, RTMP_CHUNK_HEAD_8)
 	}
 	av.lastAbs = frame.Timestamp
 	// //数据被覆盖导致序号变了
@@ -75,7 +75,6 @@ func (av *AVSender) SendFrame(frame *RTMPData) (err error) {
 //		}
 //	}
 type RTMPReceiver struct {
 	*m7s.Publisher
 	NetStream
--- a/plugin/rtmp/pkg/net-connection.go
+++ b/plugin/rtmp/pkg/net-connection.go
@@ -58,7 +58,7 @@ type NetConnection struct {
 	AppName         string
 	tmpBuf          util.Buffer //用来接收/发送小数据，复用内存
 	chunkHeaderBuf  util.Buffer
-	writePool       util.RecyclableBuffers
+	writePool       util.RecyclableMemory
 	writing         atomic.Bool // false 可写，true 不可写
 }
@@ -137,7 +137,7 @@ func (conn *NetConnection) readChunk() (msg *Chunk, err error) {
 		return nil, errors.New("get chunk type error :" + err.Error())
 	}
 	msgLen := int(chunk.MessageLength)
-	var mem util.RecyclableBuffers
+	var mem util.RecyclableMemory
 	if unRead := msgLen - chunk.bufLen; unRead < conn.readChunkSize {
 		mem, err = conn.ReadBytes(unRead)
 	} else {
@@ -147,15 +147,15 @@ func (conn *NetConnection) readChunk() (msg *Chunk, err error) {
 		mem.Recycle()
 		return nil, err
 	}
-	conn.readSeqNum += uint32(mem.Length)
+	conn.readSeqNum += uint32(mem.Size)
 	if chunk.bufLen == 0 {
-		chunk.AVData.RecyclableBuffers = mem
+		chunk.AVData.RecyclableMemory = mem
 	} else {
-		chunk.AVData.ReadFromBytes(mem.Buffers.Buffers...)
+		chunk.AVData.ReadFromBytes(mem.Buffers...)
 	}
-	chunk.bufLen += mem.Length
+	chunk.bufLen += mem.Size
-	if chunk.AVData.Length == msgLen {
+	if chunk.AVData.Size == msgLen {
 		msg = chunk
 		switch chunk.MessageTypeID {
 		case RTMP_MSG_AUDIO, RTMP_MSG_VIDEO:
@@ -237,7 +237,7 @@ func (conn *NetConnection) readChunkType(h *ChunkHeader, chunkType byte) (err er
 		case 0:
 			h.ExtendTimestamp = h.Timestamp
 		case 1, 2:
-			h.ExtendTimestamp += (h.Timestamp -0xffffff)
+			h.ExtendTimestamp += (h.Timestamp - 0xffffff)
 		}
 	} else {
 		switch chunkType {
@@ -309,15 +309,16 @@ func (conn *NetConnection) SendMessage(t byte, msg RtmpMessage) (err error) {
 	if sid, ok := msg.(HaveStreamID); ok {
 		head.MessageStreamID = sid.GetStreamID()
 	}
-	return conn.sendChunk(*util.NewBuffersFromBytes(conn.tmpBuf), head, RTMP_CHUNK_HEAD_12)
+	return conn.sendChunk(net.Buffers{conn.tmpBuf}, head, RTMP_CHUNK_HEAD_12)
 }
-func (conn *NetConnection) sendChunk(r util.Buffers, head *ChunkHeader, headType byte) (err error) {
+func (conn *NetConnection) sendChunk(data net.Buffers, head *ChunkHeader, headType byte) (err error) {
 	conn.chunkHeaderBuf.Reset()
 	head.WriteTo(headType, &conn.chunkHeaderBuf)
 	chunks := net.Buffers{conn.chunkHeaderBuf}
 	var chunk3 util.Buffer = conn.chunkHeaderBuf[conn.chunkHeaderBuf.Len():20]
 	head.WriteTo(RTMP_CHUNK_HEAD_1, &chunk3)
 	r := util.NewReadableBuffersFromBytes(data...)
 	for {
 		r.WriteNTo(conn.WriteChunkSize, &chunks)
 		if r.Length <= 0 {
--- a/plugin/rtmp/pkg/video.go
+++ b/plugin/rtmp/pkg/video.go
@@ -17,7 +17,7 @@ type RTMPVideo struct {
 }
 func (avcc *RTMPVideo) Parse(t *AVTrack) (isIDR, isSeq bool, raw any, err error) {
-	reader := avcc.Buffers
+	reader := avcc.NewReader()
 	var b0 byte
 	b0, err = reader.ReadByte()
 	if err != nil {
@@ -33,19 +33,19 @@ func (avcc *RTMPVideo) Parse(t *AVTrack) (isIDR, isSeq bool, raw any, err error)
 		switch fourCC {
 		case codec.FourCC_H264:
 			var ctx H264Ctx
-			if err = ctx.Unmarshal(&reader); err == nil {
+			if err = ctx.Unmarshal(reader); err == nil {
 				t.SequenceFrame = avcc
 				t.ICodecCtx = &ctx
 			}
 		case codec.FourCC_H265:
 			var ctx H265Ctx
-			if err = ctx.Unmarshal(&reader); err == nil {
+			if err = ctx.Unmarshal(reader); err == nil {
 				t.SequenceFrame = avcc
 				t.ICodecCtx = &ctx
 			}
 		case codec.FourCC_AV1:
 			var ctx AV1Ctx
-			if err = ctx.Unmarshal(&reader); err == nil {
+			if err = ctx.Unmarshal(reader); err == nil {
 				t.SequenceFrame = avcc
 				t.ICodecCtx = &ctx
 			}
@@ -123,7 +123,7 @@ func (avcc *RTMPVideo) DecodeConfig(t *AVTrack, from ICodecCtx) (err error) {
 		b.Write(h264ctx.PPS[0])
 		t.ICodecCtx = &ctx
 		var seqFrame RTMPData
-		seqFrame.Buffers.ReadFromBytes(b)
+		seqFrame.Memory.ReadFromBytes(b)
 		t.SequenceFrame = seqFrame.WrapVideo()
 		if t.Enabled(context.TODO(), TraceLevel) {
 			codec := t.FourCC().String()
@@ -136,7 +136,7 @@ func (avcc *RTMPVideo) DecodeConfig(t *AVTrack, from ICodecCtx) (err error) {
 	return
 }
-func (avcc *RTMPVideo) parseH264(ctx *H264Ctx, reader *util.Buffers) (any, error) {
+func (avcc *RTMPVideo) parseH264(ctx *H264Ctx, reader *util.MemoryReader) (any, error) {
 	cts, err := reader.ReadBE(3)
 	if err != nil {
 		return nil, err
@@ -150,7 +150,7 @@ func (avcc *RTMPVideo) parseH264(ctx *H264Ctx, reader *util.Buffers) (any, error
 	return nalus, nil
 }
-func (avcc *RTMPVideo) parseH265(ctx *H265Ctx, reader *util.Buffers) (any, error) {
+func (avcc *RTMPVideo) parseH265(ctx *H265Ctx, reader *util.MemoryReader) (any, error) {
 	cts, err := reader.ReadBE(3)
 	if err != nil {
 		return nil, err
@@ -164,7 +164,7 @@ func (avcc *RTMPVideo) parseH265(ctx *H265Ctx, reader *util.Buffers) (any, error
 	return nalus, nil
 }
-func (avcc *RTMPVideo) parseAV1(reader *util.Buffers) (any, error) {
+func (avcc *RTMPVideo) parseAV1(reader *util.MemoryReader) (any, error) {
 	var obus OBUs
 	obus.PTS = time.Duration(avcc.Timestamp) * 90
 	if err := obus.ParseAVCC(reader); err != nil {
@@ -174,7 +174,7 @@ func (avcc *RTMPVideo) parseAV1(reader *util.Buffers) (any, error) {
 }
 func (avcc *RTMPVideo) ToRaw(codecCtx ICodecCtx) (any, error) {
-	reader := avcc.Buffers
+	reader := avcc.NewReader()
 	b0, err := reader.ReadByte()
 	if err != nil {
 		return nil, err
@@ -197,9 +197,9 @@ func (avcc *RTMPVideo) ToRaw(codecCtx ICodecCtx) (any, error) {
 			return nil, nil
 		case PacketTypeCodedFrames:
 			if codecCtx.FourCC() == codec.FourCC_H265 {
-				return avcc.parseH265(codecCtx.(*H265Ctx), &reader)
+				return avcc.parseH265(codecCtx.(*H265Ctx), reader)
 			} else {
-				return avcc.parseAV1(&reader)
+				return avcc.parseAV1(reader)
 			}
 		case PacketTypeCodedFramesX:
 		}
@@ -217,9 +217,9 @@ func (avcc *RTMPVideo) ToRaw(codecCtx ICodecCtx) (any, error) {
 			// }
 		} else {
 			if codecCtx.FourCC() == codec.FourCC_H265 {
-				return avcc.parseH265(codecCtx.(*H265Ctx), &reader)
+				return avcc.parseH265(codecCtx.(*H265Ctx), reader)
 			} else {
-				return avcc.parseH264(codecCtx.(*H264Ctx), &reader)
+				return avcc.parseH264(codecCtx.(*H264Ctx), reader)
 			}
 		}
 	}
--- a/plugin/rtp/pkg/audio.go
+++ b/plugin/rtp/pkg/audio.go
@@ -15,7 +15,7 @@ import (
 type RTPData struct {
 	*webrtc.RTPCodecParameters
 	Packets []*rtp.Packet
-	util.RecyclableBuffers
+	util.RecyclableMemory
 }
 func (r *RTPData) String() (s string) {
--- a/plugin/rtp/pkg/video.go
+++ b/plugin/rtp/pkg/video.go
@@ -128,7 +128,7 @@ func (h264 *RTPH264Ctx) CreateFrame(from *AVFrame) (frame IAVFrame, err error) {
 		r.Packets = append(r.Packets, createPacket(h264.SPS[0]), createPacket(h264.PPS[0]))
 	}
 	for _, nalu := range nalus.Nalus {
-		reader := util.NewBuffersFromBytes(nalu...)
+		reader := util.NewReadableBuffersFromBytes(nalu...)
 		if startIndex := len(r.Packets); reader.Length > 1460 {
 			//fu-a
 			for reader.Length > 0 {
@@ -136,7 +136,7 @@ func (h264 *RTPH264Ctx) CreateFrame(from *AVFrame) (frame IAVFrame, err error) {
 				n := reader.ReadBytesTo(mem[1:])
 				mem[0] = codec.NALU_FUA.Or(mem[1] & 0x60)
 				if n < 1459 {
-					r.RecycleBack(1459 - n)
+					r.Free(mem[n+1:])
 					mem = mem[:n+1]
 				}
 				r.Packets = append(r.Packets, createPacket(mem))
--- a/plugin/webrtc/index.go
+++ b/plugin/webrtc/index.go
@@ -179,20 +179,30 @@ func (conf *WebRTCPlugin) Push_(w http.ResponseWriter, r *http.Request) {
 		var n int
 		var err error
 		if codecP := track.Codec(); track.Kind() == RTPCodecTypeAudio {
 			if !publisher.PubAudio {
 				return
 			}
 			mem := util.NewScalableMemoryAllocator(1460 * 100)
 			frame := &mrtp.RTPAudio{}
 			frame.RTPCodecParameters = &codecP
 			frame.ScalableMemoryAllocator = mem
 			for {
 				var packet rtp.Packet
-				buf := frame.NextN(1460)
+				buf := frame.Malloc(1460)
 				if n, _, err = track.Read(buf); err == nil {
 					err = packet.Unmarshal(buf[:n])
-					frame.RecycleBack(1460 - n)
+					frame.ReadFromBytes(buf[:n])
 					if n < 1460 {
 						frame.Free(buf[n:])
 					}
 				}
 				if err != nil {
 					return
 				}
 				if len(packet.Payload) == 0 {
 					frame.Free(frame.Pop())
 					continue
 				}
 				if len(frame.Packets) == 0 || packet.Timestamp == frame.Packets[0].Timestamp {
 					frame.Packets = append(frame.Packets, &packet)
 				} else {
@@ -206,6 +216,9 @@ func (conf *WebRTCPlugin) Push_(w http.ResponseWriter, r *http.Request) {
 				}
 			}
 		} else {
 			if !publisher.PubVideo {
 				return
 			}
 			var lastPLISent time.Time
 			mem := util.NewScalableMemoryAllocator(1460 * 100)
 			frame := &mrtp.RTPVideo{}
@@ -220,18 +233,19 @@ func (conf *WebRTCPlugin) Push_(w http.ResponseWriter, r *http.Request) {
 					lastPLISent = time.Now()
 				}
 				var packet rtp.Packet
-				buf := frame.NextN(1460)
+				buf := frame.Malloc(1460)
 				if n, _, err = track.Read(buf); err == nil {
 					err = packet.Unmarshal(buf[:n])
 					frame.ReadFromBytes(buf[:n])
 					if n < 1460 {
-						frame.RecycleBack(1460 - n)
+						frame.Free(buf[n:])
 					}
 				}
 				if err != nil {
 					return
 				}
 				if len(packet.Payload) == 0 {
-					frame.RecycleBack(n)
+					frame.Free(frame.Pop())
 					continue
 				}
 				if len(frame.Packets) == 0 || packet.Timestamp == frame.Packets[0].Timestamp {
--- a/publisher.go
+++ b/publisher.go
@@ -170,6 +170,7 @@ func (p *Publisher) writeAV(t *AVTrack, data IAVFrame) {
 func (p *Publisher) WriteVideo(data IAVFrame) (err error) {
 	if !p.PubVideo || p.IsStopped() {
 		data.Recycle()
 		return
 	}
 	t := p.VideoTrack.AVTrack
@@ -276,6 +277,7 @@ func (p *Publisher) WriteVideo(data IAVFrame) (err error) {
 func (p *Publisher) WriteAudio(data IAVFrame) (err error) {
 	if !p.PubAudio || p.IsStopped() {
 		data.Recycle()
 		return
 	}
 	t := p.AudioTrack.AVTrack