diff --git a/README.md b/README.md
index 38731a39..c62cf3c8 100644
--- a/README.md
+++ b/README.md
@@ -376,6 +376,25 @@ git submodule update --init
  - 2、如果您的问题还没解决，可以提issue.
  - 3、有些问题，如果不具备参考性的，无需在issue提的，可以在qq群提.
  - 4、QQ私聊一般不接受无偿技术咨询和支持(谈谈人生理想还是可以的😂)，毕竟精力有限，谢谢理解.
+ 
+## 致谢
+感谢以下各位对本项目包括但不限于代码贡献、问题反馈、资金捐赠等各种方式的支持！以下排名不分先后：
+
+[老陈](https://github.com/ireader)
+[Gemfield](https://github.com/gemfield)
+[南冠彤](https://github.com/nanguantong2)
+[凹凸慢](https://github.com/tsingeye)
+[chenxiaolei](https://github.com/chenxiaolei)
+[史前小虫](https://github.com/zqsong)
+[清涩绿茶](https://github.com/baiyfcu)
+[3503207480](https://github.com/3503207480)
+[DroidChow](https://github.com/DroidChow)
+[阿塞](https://github.com/HuoQiShuai)
+[火宣](https://github.com/ChinaCCF)
+[γ瑞γミ](https://github.com/JerryLinGd)
+[linkingvision](https://www.linkingvision.com/)
+[茄子](https://github.com/taotaobujue2008)
+[好心情](<409257224@qq.com>)
 
 ## 捐赠
 欢迎捐赠以便更好的推动项目的发展，谢谢您的支持!
diff --git a/api/include/mk_media.h b/api/include/mk_media.h
index d8162f6e..16516de4 100755
--- a/api/include/mk_media.h
+++ b/api/include/mk_media.h
@@ -87,7 +87,7 @@ API_EXPORT void API_CALL mk_media_init_aac(mk_media ctx, int channel, int sample
  * @param data 单帧H264数据
  * @param len 单帧H264数据字节数
  * @param dts 解码时间戳，单位毫秒
- * @param dts 播放时间戳，单位毫秒
+ * @param pts 播放时间戳，单位毫秒
  */
 API_EXPORT void API_CALL mk_media_input_h264(mk_media ctx, void *data, int len, uint32_t dts, uint32_t pts);
 
@@ -97,7 +97,7 @@ API_EXPORT void API_CALL mk_media_input_h264(mk_media ctx, void *data, int len,
  * @param data 单帧H265数据
  * @param len 单帧H265数据字节数
  * @param dts 解码时间戳，单位毫秒
- * @param dts 播放时间戳，单位毫秒
+ * @param pts 播放时间戳，单位毫秒
  */
 API_EXPORT void API_CALL mk_media_input_h265(mk_media ctx, void *data, int len, uint32_t dts, uint32_t pts);
 
diff --git a/conf/config.ini b/conf/config.ini
index 8010e4e8..c158d843 100644
--- a/conf/config.ini
+++ b/conf/config.ini
@@ -191,8 +191,6 @@ keepAliveSecond=15
 port=554
 #rtsps服务器监听地址
 sslport=322
-#在接收rtsp推流时，是否重新生成时间戳(很多推流器的时间戳着实很烂)
-modifyStamp=0
 
 [shell]
 #调试telnet服务器接受最大bufffer大小
diff --git a/server/WebHook.cpp b/server/WebHook.cpp
index 4eb54eec..e2e7824e 100644
--- a/server/WebHook.cpp
+++ b/server/WebHook.cpp
@@ -438,7 +438,7 @@ void installWebHook(){
     //如果没有url参数，客户端又不支持cookie，那么会根据ip和端口追踪用户
     //追踪用户的目的是为了缓存上次鉴权结果，减少鉴权次数，提高性能
     NoticeCenter::Instance().addListener(nullptr,Broadcast::kBroadcastHttpAccess,[](BroadcastHttpAccessArgs){
-        if(sender.get_peer_ip() == "127.0.0.1" && parser.Params() == hook_adminparams){
+        if(sender.get_peer_ip() == "127.0.0.1" || parser.Params() == hook_adminparams){
             //如果是本机或超级管理员访问，那么不做访问鉴权；权限有效期1个小时
             invoker("","",60 * 60);
             return;
diff --git a/src/Common/Device.cpp b/src/Common/Device.cpp
index a04dba72..58fd53cb 100644
--- a/src/Common/Device.cpp
+++ b/src/Common/Device.cpp
@@ -104,7 +104,14 @@ void DevChannel::inputH264(const char* pcData, int iDataLen, uint32_t dts,uint32
     } else {
         prefixeSize = 0;
     }
-    inputFrame(std::make_shared<H264FrameNoCacheAble>((char *)pcData,iDataLen,dts,pts,prefixeSize));
+
+	H264Frame::Ptr frame = std::make_shared<H264Frame>();
+	frame->_dts = dts;
+	frame->_pts = pts;
+	frame->_buffer.assign("\x00\x00\x00\x01",4);
+	frame->_buffer.append(pcData + prefixeSize, iDataLen - prefixeSize);
+	frame->_prefix_size = 4;
+    inputFrame(frame);
 }
 
 void DevChannel::inputH265(const char* pcData, int iDataLen, uint32_t dts,uint32_t pts) {
@@ -122,7 +129,14 @@ void DevChannel::inputH265(const char* pcData, int iDataLen, uint32_t dts,uint32
 	} else {
 		prefixeSize = 0;
 	}
-	inputFrame(std::make_shared<H265FrameNoCacheAble>((char *)pcData,iDataLen,dts,pts,prefixeSize));
+
+	H265Frame::Ptr frame = std::make_shared<H265Frame>();
+	frame->_dts = dts;
+	frame->_pts = pts;
+	frame->_buffer.assign("\x00\x00\x00\x01",4);
+	frame->_buffer.append(pcData + prefixeSize, iDataLen - prefixeSize);
+	frame->_prefix_size = 4;
+	inputFrame(frame);
 }
 
 void DevChannel::inputAAC(const char* pcData, int iDataLen, uint32_t uiStamp,bool withAdtsHeader) {
diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 64049dc5..eb7cf533 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -26,7 +26,11 @@
 #include "MediaSink.h"
 
 //最多等待未初始化的Track 10秒，超时之后会忽略未初始化的Track
-#define MAX_WAIT_MS 10000
+#define MAX_WAIT_MS_READY 10000
+
+//如果添加Track，最多等待3秒
+#define MAX_WAIT_MS_ADD_TRACK 3000
+
 
 namespace mediakit{
 
@@ -34,23 +38,16 @@ void MediaSink::addTrack(const Track::Ptr &track_in) {
     lock_guard<recursive_mutex> lck(_mtx);
     //克隆Track，只拷贝其数据，不拷贝其数据转发关系
     auto track = track_in->clone();
-
     auto codec_id = track->getCodecId();
     _track_map[codec_id] = track;
-    auto lam = [this,track](){
+    _allTrackReady = false;
+    _trackReadyCallback[codec_id] = [this, track]() {
         onTrackReady(track);
     };
-    if(track->ready()){
-        lam();
-    }else{
-        _anyTrackUnReady = true;
-        _allTrackReady = false;
-        _trackReadyCallback[codec_id] = lam;
-        _ticker.resetTime();
-    }
+    _ticker.resetTime();
 
-    track->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame){
-        if(!_anyTrackUnReady){
+    track->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
+        if (_allTrackReady) {
             onTrackFrame(frame);
         }
     }));
@@ -58,7 +55,6 @@ void MediaSink::addTrack(const Track::Ptr &track_in) {
 
 void MediaSink::resetTracks() {
     lock_guard<recursive_mutex> lck(_mtx);
-    _anyTrackUnReady = false;
     _allTrackReady = false;
     _track_map.clear();
     _trackReadyCallback.clear();
@@ -83,26 +79,50 @@ void MediaSink::inputFrame(const Frame::Ptr &frame) {
         }
     }
 
-    if(!_allTrackReady && (_trackReadyCallback.empty() || _ticker.elapsedTime() > MAX_WAIT_MS)){
-        _allTrackReady = true;
-        _anyTrackUnReady = false;
-        if(!_trackReadyCallback.empty()){
-            //这是超时强制忽略未准备好的Track
-            _trackReadyCallback.clear();
-            //移除未准备好的Track
-            for(auto it = _track_map.begin() ; it != _track_map.end() ; ){
-                if(!it->second->ready()){
-                    it = _track_map.erase(it);
-                    continue;
-                }
-                ++it;
-            }
+    if(!_allTrackReady){
+        if(_ticker.elapsedTime() > MAX_WAIT_MS_READY){
+            //如果超过规定时间，那么不再等待并忽略未准备好的Track
+            emitAllTrackReady();
+            return;
         }
 
-        if(!_track_map.empty()){
-            //最少有一个有效的Track
-            onAllTrackReady();
+        if(!_trackReadyCallback.empty()){
+            //在超时时间内，如果存在未准备好的Track，那么继续等待
+            return;
         }
+
+        if(_track_map.size() == 2){
+            //如果已经添加了音视频Track，并且不存在未准备好的Track，那么说明所有Track都准备好了
+            emitAllTrackReady();
+            return;
+        }
+
+        if(_track_map.size() == 1 && _ticker.elapsedTime() > MAX_WAIT_MS_ADD_TRACK){
+            //如果只有一个Track，那么在该Track添加后，我们最多还等待若干时间(可能后面还会添加Track)
+            emitAllTrackReady();
+            return;
+        }
+    }
+}
+
+void MediaSink::emitAllTrackReady() {
+    _allTrackReady = true;
+    if(!_trackReadyCallback.empty()){
+        //这是超时强制忽略未准备好的Track
+        _trackReadyCallback.clear();
+        //移除未准备好的Track
+        for(auto it = _track_map.begin() ; it != _track_map.end() ; ){
+            if(!it->second->ready()){
+                it = _track_map.erase(it);
+                continue;
+            }
+            ++it;
+        }
+    }
+
+    if(!_track_map.empty()){
+        //最少有一个有效的Track
+        onAllTrackReady();
     }
 }
 
diff --git a/src/Common/MediaSink.h b/src/Common/MediaSink.h
index 64317385..e37980e1 100644
--- a/src/Common/MediaSink.h
+++ b/src/Common/MediaSink.h
@@ -109,12 +109,13 @@ protected:
      * @param frame
      */
     virtual void onTrackFrame(const Frame::Ptr &frame) {};
+private:
+    void emitAllTrackReady();
 private:
     mutable recursive_mutex _mtx;
     map<int,Track::Ptr> _track_map;
     map<int,function<void()> > _trackReadyCallback;
     bool _allTrackReady = false;
-    bool _anyTrackUnReady = false;
     Ticker _ticker;
 };
 
diff --git a/src/Common/Stamp.cpp b/src/Common/Stamp.cpp
index 9d2c2d45..a0017752 100644
--- a/src/Common/Stamp.cpp
+++ b/src/Common/Stamp.cpp
@@ -26,14 +26,18 @@
 
 #include "Stamp.h"
 
-#define MAX_DELTA_STAMP 300
+#define MAX_DELTA_STAMP 1000
+#define MAX_CTS 500
+#define ABS(x) ((x) > 0 ? (x) : (-x))
 
 namespace mediakit {
 
 int64_t DeltaStamp::deltaStamp(int64_t stamp) {
     if(!_last_stamp){
         //第一次计算时间戳增量,时间戳增量为0
-        _last_stamp = stamp;
+        if(stamp){
+            _last_stamp = stamp;
+        }
         return 0;
     }
 
@@ -75,7 +79,7 @@ void Stamp::revise(int64_t dts, int64_t pts, int64_t &dts_out, int64_t &pts_out,
     dts_out = _relativeStamp;
 
     //////////////以下是播放时间戳的计算//////////////////
-    if(pts_dts_diff > MAX_DELTA_STAMP || pts_dts_diff < -MAX_DELTA_STAMP){
+    if(ABS(pts_dts_diff) > MAX_CTS){
         //如果差值太大，则认为由于回环导致时间戳错乱了
         pts_dts_diff = 0;
     }
@@ -96,4 +100,58 @@ int64_t Stamp::getRelativeStamp() const {
 }
 
 
+bool DtsGenerator::getDts(uint32_t pts, uint32_t &dts){
+    bool ret = false;
+    if(pts == _last_pts){
+        //pts未变，返回上次结果
+        if(_last_dts){
+            dts = _last_dts;
+            ret = true;
+        }
+        return ret;
+    }
+
+    ret = getDts_l(pts,dts);
+    if(ret){
+        //保存本次结果
+        _last_dts = dts;
+    }
+    //记录上次pts
+    _last_pts = pts;
+    return ret;
+}
+
+bool DtsGenerator::getDts_l(uint32_t pts, uint32_t &dts){
+    if(_sorter_max_size == 1){
+        //没有B帧
+        dts = pts;
+        return true;
+    }
+
+    if(!_sorter_max_size){
+        if(pts > _last_max_pts){
+            if(_frames_since_last_max_pts && _count_sorter_max_size++ > 0){
+                _sorter_max_size = _frames_since_last_max_pts;
+                _dts_pts_offset = (pts - _last_max_pts) / 2;
+            }
+            _frames_since_last_max_pts = 0;
+            _last_max_pts = pts;
+        }
+        ++_frames_since_last_max_pts;
+    }
+
+    _pts_sorter.emplace(pts);
+    if(_sorter_max_size && _pts_sorter.size() >  _sorter_max_size){
+        auto it = _pts_sorter.begin();
+        dts = *it + _dts_pts_offset;
+        if(dts > pts){
+            //dts不能大于pts(基本不可能到达这个逻辑)
+            dts = pts;
+        }
+        _pts_sorter.erase(it);
+        return true;
+    }
+    return false;
+}
+
 }//namespace mediakit
\ No newline at end of file
diff --git a/src/Common/Stamp.h b/src/Common/Stamp.h
index 09e77338..43d11159 100644
--- a/src/Common/Stamp.h
+++ b/src/Common/Stamp.h
@@ -27,8 +27,9 @@
 #ifndef ZLMEDIAKIT_STAMP_H
 #define ZLMEDIAKIT_STAMP_H
 
-#include "Util/TimeTicker.h"
+#include <set>
 #include <cstdint>
+#include "Util/TimeTicker.h"
 using namespace toolkit;
 
 namespace mediakit {
@@ -88,6 +89,27 @@ private:
     SmoothTicker _ticker;
 };
 
+
+class DtsGenerator{
+public:
+    DtsGenerator() = default;
+    ~DtsGenerator() = default;
+    bool getDts(uint32_t pts, uint32_t &dts);
+private:
+    bool getDts_l(uint32_t pts, uint32_t &dts);
+private:
+    uint32_t _dts_pts_offset = 0;
+    uint32_t _last_dts = 0;
+    uint32_t _last_pts = 0;
+    uint32_t _last_max_pts = 0;
+    int _frames_since_last_max_pts = 0;
+    int _sorter_max_size = 0;
+    int _count_sorter_max_size = 0;
+    set<uint32_t> _pts_sorter;
+
+
+};
+
 }//namespace mediakit
 
 #endif //ZLMEDIAKIT_STAMP_H
diff --git a/src/Common/config.cpp b/src/Common/config.cpp
index 74e92e72..89ad9bbf 100644
--- a/src/Common/config.cpp
+++ b/src/Common/config.cpp
@@ -158,7 +158,6 @@ const string kAuthBasic = RTSP_FIELD"authBasic";
 const string kHandshakeSecond = RTSP_FIELD"handshakeSecond";
 const string kKeepAliveSecond = RTSP_FIELD"keepAliveSecond";
 const string kDirectProxy = RTSP_FIELD"directProxy";
-const string kModifyStamp = RTSP_FIELD"modifyStamp";
 
 onceToken token([](){
 	//默认Md5方式认证
@@ -166,7 +165,6 @@ onceToken token([](){
     mINI::Instance()[kHandshakeSecond] = 15;
     mINI::Instance()[kKeepAliveSecond] = 15;
 	mINI::Instance()[kDirectProxy] = 1;
-	mINI::Instance()[kModifyStamp] = false;
 },nullptr);
 } //namespace Rtsp
 
diff --git a/src/Common/config.h b/src/Common/config.h
index 7cadbf70..d8d51e35 100644
--- a/src/Common/config.h
+++ b/src/Common/config.h
@@ -232,8 +232,6 @@ extern const string kKeepAliveSecond;
 //假定您的拉流源地址不是264或265或AAC，那么你可以使用直接代理的方式来支持rtsp代理
 //默认开启rtsp直接代理，rtmp由于没有这些问题，是强制开启直接代理的
 extern const string kDirectProxy;
-//rtsp推流是否修改时间戳
-extern const string kModifyStamp;
 } //namespace Rtsp
 
 ////////////RTMP服务器配置///////////
diff --git a/src/Extension/AAC.h b/src/Extension/AAC.h
index fe78509e..063756f6 100644
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@@ -104,7 +104,6 @@ public:
 //表示说ADTS帧中有一个AAC数据块并不是说没有。(一个AAC原始帧包含一段时间内1024个采样及相关数据)
     unsigned int no_raw_data_blocks_in_frame;    //2 uimsfb
     unsigned char buffer[2 * 1024 + 7];
-    uint16_t sequence;
     uint32_t timeStamp;
     uint32_t iPrefixSize = 7;
 } ;
diff --git a/src/Extension/AACRtmp.cpp b/src/Extension/AACRtmp.cpp
index 71ea9e66..c3efddb1 100644
--- a/src/Extension/AACRtmp.cpp
+++ b/src/Extension/AACRtmp.cpp
@@ -102,7 +102,7 @@ void AACRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
         rtmpPkt->bodySize = rtmpPkt->strBuf.size();
         rtmpPkt->chunkId = CHUNK_AUDIO;
         rtmpPkt->streamId = STREAM_MEDIA;
-        rtmpPkt->timeStamp = frame->stamp();
+        rtmpPkt->timeStamp = frame->dts();
         rtmpPkt->typeId = MSG_AUDIO;
         RtmpCodec::inputRtmp(rtmpPkt, false);
     }
diff --git a/src/Extension/AACRtp.cpp b/src/Extension/AACRtp.cpp
index 2f001959..a84c22be 100644
--- a/src/Extension/AACRtp.cpp
+++ b/src/Extension/AACRtp.cpp
@@ -41,7 +41,7 @@ AACRtpEncoder::AACRtpEncoder(uint32_t ui32Ssrc,
 
 void AACRtpEncoder::inputFrame(const Frame::Ptr &frame) {
     GET_CONFIG(uint32_t, cycleMS, Rtp::kCycleMS);
-    auto uiStamp = frame->stamp();
+    auto uiStamp = frame->dts();
     auto pcData = frame->data() + frame->prefixSize();
     auto iLen = frame->size() - frame->prefixSize();
 
@@ -149,7 +149,6 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
 			memcpy(_adts->buffer + _adts->aac_frame_length, rtp_packet_payload + next_aac_payload_offset, cur_aac_payload_len);
 			_adts->aac_frame_length += (cur_aac_payload_len);
 			if (rtppack->mark == true) {
-				_adts->sequence = rtppack->sequence;
 				_adts->timeStamp = rtppack->timeStamp;
 				writeAdtsHeader(*_adts, _adts->buffer);
 				onGetAAC(_adts);
diff --git a/src/Extension/Frame.h b/src/Extension/Frame.h
index 5e5121f9..d4cbca6b 100644
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@@ -81,13 +81,6 @@ class Frame : public Buffer, public CodecInfo {
 public:
     typedef std::shared_ptr<Frame> Ptr;
     virtual ~Frame(){}
-    /**
-     * 时间戳,已经废弃，请使用dts() 、pts()接口
-     */
-    inline uint32_t stamp() const {
-        return dts();
-    };
-
 
     /**
      * 返回解码时间戳，单位毫秒
diff --git a/src/Extension/H264.h b/src/Extension/H264.h
index 4bb8ea1c..b4c71a6b 100644
--- a/src/Extension/H264.h
+++ b/src/Extension/H264.h
@@ -49,24 +49,25 @@ public:
         NAL_SPS = 7,
         NAL_PPS = 8,
         NAL_IDR = 5,
+        NAL_SEI = 6,
     } NalType;
 
     char *data() const override{
-        return (char *)buffer.data();
+        return (char *)_buffer.data();
     }
     uint32_t size() const override {
-        return buffer.size();
+        return _buffer.size();
     }
     uint32_t dts() const override {
-        return timeStamp;
+        return _dts;
     }
 
     uint32_t pts() const override {
-        return ptsStamp ? ptsStamp : timeStamp;
+        return _pts ? _pts : _dts;
     }
 
     uint32_t prefixSize() const override{
-        return iPrefixSize;
+        return _prefix_size;
     }
 
     TrackType getTrackType() const override{
@@ -78,11 +79,11 @@ public:
     }
 
     bool keyFrame() const override {
-        return H264_TYPE(buffer[iPrefixSize]) == H264Frame::NAL_IDR;
+        return H264_TYPE(_buffer[_prefix_size]) == H264Frame::NAL_IDR;
     }
 
     bool configFrame() const override{
-        switch(H264_TYPE(buffer[iPrefixSize]) ){
+        switch(H264_TYPE(_buffer[_prefix_size]) ){
             case H264Frame::NAL_SPS:
             case H264Frame::NAL_PPS:
                 return true;
@@ -91,10 +92,10 @@ public:
         }
     }
 public:
-    uint32_t timeStamp;
-    uint32_t ptsStamp = 0;
-    string buffer;
-    uint32_t iPrefixSize = 4;
+    uint32_t _dts = 0;
+    uint32_t _pts = 0;
+    uint32_t _prefix_size = 4;
+    string _buffer;
 };
 
 
@@ -339,19 +340,19 @@ private:
 
         if(!_sps.empty()){
             auto spsFrame = std::make_shared<H264Frame>();
-            spsFrame->iPrefixSize = 4;
-            spsFrame->buffer.assign("\x0\x0\x0\x1",4);
-            spsFrame->buffer.append(_sps);
-            spsFrame->timeStamp = frame->stamp();
+            spsFrame->_prefix_size = 4;
+            spsFrame->_buffer.assign("\x0\x0\x0\x1",4);
+            spsFrame->_buffer.append(_sps);
+            spsFrame->_dts = frame->dts();
             VideoTrack::inputFrame(spsFrame);
         }
 
         if(!_pps.empty()){
             auto ppsFrame = std::make_shared<H264Frame>();
-            ppsFrame->iPrefixSize = 4;
-            ppsFrame->buffer.assign("\x0\x0\x0\x1",4);
-            ppsFrame->buffer.append(_pps);
-            ppsFrame->timeStamp = frame->stamp();
+            ppsFrame->_prefix_size = 4;
+            ppsFrame->_buffer.assign("\x0\x0\x0\x1",4);
+            ppsFrame->_buffer.append(_pps);
+            ppsFrame->_dts = frame->dts();
             VideoTrack::inputFrame(ppsFrame);
         }
     }
diff --git a/src/Extension/H264Rtmp.cpp b/src/Extension/H264Rtmp.cpp
index 3ab77554..c995317f 100644
--- a/src/Extension/H264Rtmp.cpp
+++ b/src/Extension/H264Rtmp.cpp
@@ -35,8 +35,8 @@ H264RtmpDecoder::H264RtmpDecoder() {
 H264Frame::Ptr  H264RtmpDecoder::obtainFrame() {
     //从缓存池重新申请对象，防止覆盖已经写入环形缓存的对象
     auto frame = obtainObj();
-    frame->buffer.clear();
-    frame->iPrefixSize = 4;
+    frame->_buffer.clear();
+    frame->_prefix_size = 4;
     return frame;
 }
 
@@ -78,10 +78,10 @@ bool H264RtmpDecoder::decodeRtmp(const RtmpPacket::Ptr &pkt) {
 
 inline void H264RtmpDecoder::onGetH264(const char* pcData, int iLen, uint32_t dts,uint32_t pts) {
 #if 1
-    _h264frame->timeStamp = dts;
-    _h264frame->ptsStamp = pts;
-    _h264frame->buffer.assign("\x0\x0\x0\x1", 4);  //添加264头
-    _h264frame->buffer.append(pcData, iLen);
+    _h264frame->_dts = dts;
+    _h264frame->_pts = pts;
+    _h264frame->_buffer.assign("\x0\x0\x0\x1", 4);  //添加264头
+    _h264frame->_buffer.append(pcData, iLen);
 
     //写入环形缓存
     RtmpCodec::inputFrame(_h264frame);
@@ -140,7 +140,11 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
         }
     }
 
-    if(_lastPacket && _lastPacket->timeStamp != frame->stamp()) {
+    if(type == H264Frame::NAL_SEI){
+        return;
+    }
+
+    if(_lastPacket && _lastPacket->timeStamp != frame->dts()) {
         RtmpCodec::inputRtmp(_lastPacket, _lastPacket->isVideoKeyFrame());
         _lastPacket = nullptr;
     }
@@ -149,7 +153,7 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
         //I or P or B frame
         int8_t flags = 7; //h.264
         bool is_config = false;
-        flags |= ((frame->keyFrame() ? FLV_KEY_FRAME : FLV_INTER_FRAME) << 4);
+        flags |= (((frame->configFrame() || frame->keyFrame()) ? FLV_KEY_FRAME : FLV_INTER_FRAME) << 4);
 
         _lastPacket = ResourcePoolHelper<RtmpPacket>::obtainObj();
         _lastPacket->strBuf.clear();
@@ -161,7 +165,7 @@ void H264RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
 
         _lastPacket->chunkId = CHUNK_VIDEO;
         _lastPacket->streamId = STREAM_MEDIA;
-        _lastPacket->timeStamp = frame->stamp();
+        _lastPacket->timeStamp = frame->dts();
         _lastPacket->typeId = MSG_VIDEO;
 
     }
diff --git a/src/Extension/H264Rtp.cpp b/src/Extension/H264Rtp.cpp
index c9861f16..f90f3c56 100644
--- a/src/Extension/H264Rtp.cpp
+++ b/src/Extension/H264Rtp.cpp
@@ -70,8 +70,8 @@ H264RtpDecoder::H264RtpDecoder() {
 H264Frame::Ptr  H264RtpDecoder::obtainFrame() {
     //从缓存池重新申请对象，防止覆盖已经写入环形缓存的对象
     auto frame = ResourcePoolHelper<H264Frame>::obtainObj();
-    frame->buffer.clear();
-    frame->iPrefixSize = 4;
+    frame->_buffer.clear();
+    frame->_prefix_size = 4;
     return frame;
 }
 
@@ -113,9 +113,9 @@ bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 
     if (nal.type >= 0 && nal.type < 24) {
         //a full frame
-        _h264frame->buffer.assign("\x0\x0\x0\x1", 4);
-        _h264frame->buffer.append((char *)frame, length);
-        _h264frame->timeStamp = rtppack->timeStamp;
+        _h264frame->_buffer.assign("\x0\x0\x0\x1", 4);
+        _h264frame->_buffer.append((char *)frame, length);
+        _h264frame->_pts = rtppack->timeStamp;
         auto key = _h264frame->keyFrame();
         onGetH264(_h264frame);
         return (key); //i frame
@@ -142,9 +142,9 @@ bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
                     //过小的帧丢弃
                     NALU nal;
                     MakeNalu(ptr[0], nal);
-                    _h264frame->buffer.assign("\x0\x0\x0\x1", 4);
-                    _h264frame->buffer.append((char *)ptr, len);
-                    _h264frame->timeStamp = rtppack->timeStamp;
+                    _h264frame->_buffer.assign("\x0\x0\x0\x1", 4);
+                    _h264frame->_buffer.append((char *)ptr, len);
+                    _h264frame->_pts = rtppack->timeStamp;
                     if(nal.type == H264Frame::NAL_IDR){
                         haveIDR = true;
                     }
@@ -162,10 +162,10 @@ bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
             if (fu.S) {
                 //该帧的第一个rtp包  FU-A start
                 char tmp = (nal.forbidden_zero_bit << 7 | nal.nal_ref_idc << 5 | fu.type);
-                _h264frame->buffer.assign("\x0\x0\x0\x1", 4);
-                _h264frame->buffer.push_back(tmp);
-                _h264frame->buffer.append((char *)frame + 2, length - 2);
-                _h264frame->timeStamp = rtppack->timeStamp;
+                _h264frame->_buffer.assign("\x0\x0\x0\x1", 4);
+                _h264frame->_buffer.push_back(tmp);
+                _h264frame->_buffer.append((char *)frame + 2, length - 2);
+                _h264frame->_pts = rtppack->timeStamp;
                 //该函数return时，保存下当前sequence,以便下次对比seq是否连续
                 _lastSeq = rtppack->sequence;
                 return _h264frame->keyFrame();
@@ -173,22 +173,22 @@ bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 
             if (rtppack->sequence != _lastSeq + 1 && rtppack->sequence != 0) {
                 //中间的或末尾的rtp包，其seq必须连续(如果回环了则判定为连续)，否则说明rtp丢包，那么该帧不完整，必须得丢弃
-                _h264frame->buffer.clear();
+                _h264frame->_buffer.clear();
                 WarnL << "rtp sequence不连续: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
                 return false;
             }
 
             if (!fu.E) {
                 //该帧的中间rtp包  FU-A mid
-                _h264frame->buffer.append((char *)frame + 2, length - 2);
+                _h264frame->_buffer.append((char *)frame + 2, length - 2);
                 //该函数return时，保存下当前sequence,以便下次对比seq是否连续
                 _lastSeq = rtppack->sequence;
                 return false;
             }
 
             //该帧最后一个rtp包  FU-A end
-            _h264frame->buffer.append((char *)frame + 2, length - 2);
-            _h264frame->timeStamp = rtppack->timeStamp;
+            _h264frame->_buffer.append((char *)frame + 2, length - 2);
+            _h264frame->_pts = rtppack->timeStamp;
             auto key = _h264frame->keyFrame();
             onGetH264(_h264frame);
             return key;
@@ -209,8 +209,12 @@ bool H264RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 }
 
 void H264RtpDecoder::onGetH264(const H264Frame::Ptr &frame) {
-    //写入环形缓存
-    RtpCodec::inputFrame(frame);
+    //根据pts计算dts
+    auto flag = _dts_generator.getDts(frame->_pts,frame->_dts);
+    if(flag){
+        //写入环形缓存
+        RtpCodec::inputFrame(frame);
+    }
     _h264frame = obtainFrame();
 }
 
@@ -232,7 +236,7 @@ H264RtpEncoder::H264RtpEncoder(uint32_t ui32Ssrc,
 void H264RtpEncoder::inputFrame(const Frame::Ptr &frame) {
     GET_CONFIG(uint32_t,cycleMS,Rtp::kCycleMS);
     auto pcData = frame->data() + frame->prefixSize();
-    auto uiStamp = frame->stamp();
+    auto uiStamp = frame->pts();
     auto iLen = frame->size() - frame->prefixSize();
     //获取NALU的5bit 帧类型
     unsigned char naluType =  H264_TYPE(pcData[0]);
diff --git a/src/Extension/H264Rtp.h b/src/Extension/H264Rtp.h
index 5ccac81d..da4aa2d6 100644
--- a/src/Extension/H264Rtp.h
+++ b/src/Extension/H264Rtp.h
@@ -30,6 +30,7 @@
 #include "Rtsp/RtpCodec.h"
 #include "Util/ResourcePool.h"
 #include "Extension/H264.h"
+#include "Common/Stamp.h"
 using namespace toolkit;
 
 namespace mediakit{
@@ -66,6 +67,7 @@ private:
     H264Frame::Ptr obtainFrame();
 private:
     H264Frame::Ptr _h264frame;
+    DtsGenerator _dts_generator;
     int _lastSeq = 0;
 };
 
diff --git a/src/Extension/H265.h b/src/Extension/H265.h
index 021ef3d1..80591e32 100644
--- a/src/Extension/H265.h
+++ b/src/Extension/H265.h
@@ -74,23 +74,23 @@ public:
     } NaleType;
 
     char *data() const override {
-        return (char *) buffer.data();
+        return (char *) _buffer.data();
     }
 
     uint32_t size() const override {
-        return buffer.size();
+        return _buffer.size();
     }
 
     uint32_t dts() const override {
-        return timeStamp;
+        return _dts;
     }
 
     uint32_t pts() const override {
-        return ptsStamp ? ptsStamp : timeStamp;
+        return _pts ? _pts : _dts;
     }
 
     uint32_t prefixSize() const override {
-        return iPrefixSize;
+        return _prefix_size;
     }
 
     TrackType getTrackType() const override {
@@ -102,11 +102,11 @@ public:
     }
 
     bool keyFrame() const override {
-        return isKeyFrame(H265_TYPE(buffer[iPrefixSize]));
+        return isKeyFrame(H265_TYPE(_buffer[_prefix_size]));
     }
 
     bool configFrame() const override{
-        switch(H265_TYPE(buffer[iPrefixSize])){
+        switch(H265_TYPE(_buffer[_prefix_size])){
             case H265Frame::NAL_VPS:
             case H265Frame::NAL_SPS:
             case H265Frame::NAL_PPS:
@@ -131,10 +131,10 @@ public:
     }
 
 public:
-    uint32_t timeStamp;
-    uint32_t ptsStamp = 0;
-    string buffer;
-    uint32_t iPrefixSize = 4;
+    uint32_t _dts = 0;
+    uint32_t _pts = 0;
+    uint32_t _prefix_size = 4;
+    string _buffer;
 };
 
 
@@ -356,27 +356,27 @@ private:
         }
         if(!_vps.empty()){
             auto vpsFrame = std::make_shared<H265Frame>();
-            vpsFrame->iPrefixSize = 4;
-            vpsFrame->buffer.assign("\x0\x0\x0\x1", 4);
-            vpsFrame->buffer.append(_vps);
-            vpsFrame->timeStamp = frame->stamp();
+            vpsFrame->_prefix_size = 4;
+            vpsFrame->_buffer.assign("\x0\x0\x0\x1", 4);
+            vpsFrame->_buffer.append(_vps);
+            vpsFrame->_dts = frame->dts();
             VideoTrack::inputFrame(vpsFrame);
         }
         if (!_sps.empty()) {
             auto spsFrame = std::make_shared<H265Frame>();
-            spsFrame->iPrefixSize = 4;
-            spsFrame->buffer.assign("\x0\x0\x0\x1", 4);
-            spsFrame->buffer.append(_sps);
-            spsFrame->timeStamp = frame->stamp();
+            spsFrame->_prefix_size = 4;
+            spsFrame->_buffer.assign("\x0\x0\x0\x1", 4);
+            spsFrame->_buffer.append(_sps);
+            spsFrame->_dts = frame->dts();
             VideoTrack::inputFrame(spsFrame);
         }
 
         if (!_pps.empty()) {
             auto ppsFrame = std::make_shared<H265Frame>();
-            ppsFrame->iPrefixSize = 4;
-            ppsFrame->buffer.assign("\x0\x0\x0\x1", 4);
-            ppsFrame->buffer.append(_pps);
-            ppsFrame->timeStamp = frame->stamp();
+            ppsFrame->_prefix_size = 4;
+            ppsFrame->_buffer.assign("\x0\x0\x0\x1", 4);
+            ppsFrame->_buffer.append(_pps);
+            ppsFrame->_dts = frame->dts();
             VideoTrack::inputFrame(ppsFrame);
         }
     }
diff --git a/src/Extension/H265Rtp.cpp b/src/Extension/H265Rtp.cpp
index 6d164dde..4b8df94c 100644
--- a/src/Extension/H265Rtp.cpp
+++ b/src/Extension/H265Rtp.cpp
@@ -70,8 +70,8 @@ H265RtpDecoder::H265RtpDecoder() {
 H265Frame::Ptr  H265RtpDecoder::obtainFrame() {
     //从缓存池重新申请对象，防止覆盖已经写入环形缓存的对象
     auto frame = ResourcePoolHelper<H265Frame>::obtainObj();
-    frame->buffer.clear();
-    frame->iPrefixSize = 4;
+    frame->_buffer.clear();
+    frame->_prefix_size = 4;
     return frame;
 }
 
@@ -99,11 +99,11 @@ bool H265RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
             MakeFU(frame[2], fu);
             if (fu.S) {
                 //该帧的第一个rtp包
-                _h265frame->buffer.assign("\x0\x0\x0\x1", 4);
-                _h265frame->buffer.push_back(fu.type << 1);
-                _h265frame->buffer.push_back(0x01);
-                _h265frame->buffer.append((char *) frame + 3, length - 3);
-                _h265frame->timeStamp = rtppack->timeStamp;
+                _h265frame->_buffer.assign("\x0\x0\x0\x1", 4);
+                _h265frame->_buffer.push_back(fu.type << 1);
+                _h265frame->_buffer.push_back(0x01);
+                _h265frame->_buffer.append((char *) frame + 3, length - 3);
+                _h265frame->_pts = rtppack->timeStamp;
                 //该函数return时，保存下当前sequence,以便下次对比seq是否连续
                 _lastSeq = rtppack->sequence;
                 return (_h265frame->keyFrame()); //i frame
@@ -111,22 +111,22 @@ bool H265RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 
             if (rtppack->sequence != _lastSeq + 1 && rtppack->sequence != 0) {
                 //中间的或末尾的rtp包，其seq必须连续(如果回环了则判定为连续)，否则说明rtp丢包，那么该帧不完整，必须得丢弃
-                _h265frame->buffer.clear();
+                _h265frame->_buffer.clear();
                 WarnL << "rtp sequence不连续: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
                 return false;
             }
 
             if (!fu.E) {
                 //该帧的中间rtp包
-                _h265frame->buffer.append((char *) frame + 3, length - 3);
+                _h265frame->_buffer.append((char *) frame + 3, length - 3);
                 //该函数return时，保存下当前sequence,以便下次对比seq是否连续
                 _lastSeq = rtppack->sequence;
                 return false;
             }
 
             //该帧最后一个rtp包
-            _h265frame->buffer.append((char *) frame + 3, length - 3);
-            _h265frame->timeStamp = rtppack->timeStamp;
+            _h265frame->_buffer.append((char *) frame + 3, length - 3);
+            _h265frame->_pts = rtppack->timeStamp;
             auto key = _h265frame->keyFrame();
             onGetH265(_h265frame);
             return key;
@@ -134,9 +134,9 @@ bool H265RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 
         default: // 4.4.1. Single NAL Unit Packets (p24)
             //a full frame
-            _h265frame->buffer.assign("\x0\x0\x0\x1", 4);
-            _h265frame->buffer.append((char *)frame, length);
-            _h265frame->timeStamp = rtppack->timeStamp;
+            _h265frame->_buffer.assign("\x0\x0\x0\x1", 4);
+            _h265frame->_buffer.append((char *)frame, length);
+            _h265frame->_pts = rtppack->timeStamp;
             auto key = _h265frame->keyFrame();
             onGetH265(_h265frame);
             return key;
@@ -144,8 +144,12 @@ bool H265RtpDecoder::decodeRtp(const RtpPacket::Ptr &rtppack) {
 }
 
 void H265RtpDecoder::onGetH265(const H265Frame::Ptr &frame) {
-    //写入环形缓存
-    RtpCodec::inputFrame(frame);
+    //计算dts
+    auto flag = _dts_generator.getDts(frame->_pts,frame->_dts);
+    if(flag){
+        //写入环形缓存
+        RtpCodec::inputFrame(frame);
+    }
     _h265frame = obtainFrame();
 }
 
@@ -167,7 +171,7 @@ H265RtpEncoder::H265RtpEncoder(uint32_t ui32Ssrc,
 void H265RtpEncoder::inputFrame(const Frame::Ptr &frame) {
     GET_CONFIG(uint32_t,cycleMS,Rtp::kCycleMS);
     uint8_t *pcData = (uint8_t*)frame->data() + frame->prefixSize();
-    auto uiStamp = frame->stamp();
+    auto uiStamp = frame->pts();
     auto iLen = frame->size() - frame->prefixSize();
     unsigned char naluType = H265_TYPE(pcData[0]); //获取NALU的5bit 帧类型
     uiStamp %= cycleMS;
diff --git a/src/Extension/H265Rtp.h b/src/Extension/H265Rtp.h
index 8b51f880..a2844092 100644
--- a/src/Extension/H265Rtp.h
+++ b/src/Extension/H265Rtp.h
@@ -30,6 +30,7 @@
 #include "Rtsp/RtpCodec.h"
 #include "Util/ResourcePool.h"
 #include "Extension/H265.h"
+#include "Common/Stamp.h"
 
 using namespace toolkit;
 
@@ -67,6 +68,7 @@ private:
     H265Frame::Ptr obtainFrame();
 private:
     H265Frame::Ptr _h265frame;
+    DtsGenerator _dts_generator;
     int _lastSeq = 0;
 };
 
diff --git a/src/Http/WebSocketClient.h b/src/Http/WebSocketClient.h
index 85051fc3..e3d215a7 100644
--- a/src/Http/WebSocketClient.h
+++ b/src/Http/WebSocketClient.h
@@ -303,7 +303,7 @@ private:
             //拦截websocket数据接收
             _onRecv = [this](const Buffer::Ptr &pBuf){
                 //解析websocket数据包
-                WebSocketSplitter::decode((uint8_t*)pBuf->data(),pBuf->size());
+                this->WebSocketSplitter::decode((uint8_t*)pBuf->data(),pBuf->size());
             };
             return;
         }
diff --git a/src/Player/PlayerProxy.cpp b/src/Player/PlayerProxy.cpp
index 5badcce0..6b5fca6e 100644
--- a/src/Player/PlayerProxy.cpp
+++ b/src/Player/PlayerProxy.cpp
@@ -219,16 +219,26 @@ public:
 	virtual ~MuteAudioMaker(){}
 	void inputFrame(const Frame::Ptr &frame) override {
 		if(frame->getTrackType() == TrackVideo){
-			auto iAudioIndex = frame->stamp() / MUTE_ADTS_DATA_MS;
+			auto iAudioIndex = frame->dts() / MUTE_ADTS_DATA_MS;
 			if(_iAudioIndex != iAudioIndex){
 				_iAudioIndex = iAudioIndex;
-				auto aacFrame = std::make_shared<AACFrameNoCacheAble>((char *)MUTE_ADTS_DATA,
-																	  MUTE_ADTS_DATA_LEN,
-																	  _iAudioIndex * MUTE_ADTS_DATA_MS);
+				auto aacFrame = std::make_shared<AACFrameCacheAble>((char *)MUTE_ADTS_DATA, MUTE_ADTS_DATA_LEN, _iAudioIndex * MUTE_ADTS_DATA_MS);
 				FrameDispatcher::inputFrame(aacFrame);
 			}
 		}
 	}
+
+private:
+	class AACFrameCacheAble : public AACFrameNoCacheAble{
+	public:
+		template <typename ... ARGS>
+		AACFrameCacheAble(ARGS && ...args) : AACFrameNoCacheAble(std::forward<ARGS>(args)...){};
+		virtual ~AACFrameCacheAble() = default;
+
+		bool cacheAble() const override {
+			return true;
+		}
+	};
 private:
 	int _iAudioIndex = 0;
 };
diff --git a/src/Record/MP4Reader.cpp b/src/Record/MP4Reader.cpp
index 9bf20525..020fa6bc 100644
--- a/src/Record/MP4Reader.cpp
+++ b/src/Record/MP4Reader.cpp
@@ -225,8 +225,10 @@ inline bool MP4Reader::readVideoSample(int iTimeInc,bool justSeekSyncFrame) {
 			uint32_t numBytes = _video_sample_max_size;
 			MP4Duration pRenderingOffset;
 			if(MP4ReadSample(_hMP4File, _video_trId, iIdx + 1, &pBytes, &numBytes,NULL,NULL,&pRenderingOffset,&_bSyncSample)){
-				if (!justSeekSyncFrame) {
-					uint32_t iOffset = 0;
+                if (!justSeekSyncFrame) {
+                    uint32_t dts = (double) _video_ms * iIdx / _video_num_samples;
+                    uint32_t pts = dts + pRenderingOffset / 90;
+                    uint32_t iOffset = 0;
 					while (iOffset < numBytes) {
 						uint32_t iFrameLen;
 						memcpy(&iFrameLen,pBytes + iOffset,4);
@@ -235,8 +237,7 @@ inline bool MP4Reader::readVideoSample(int iTimeInc,bool justSeekSyncFrame) {
                             break;
                         }
 						memcpy(pBytes + iOffset, "\x0\x0\x0\x1", 4);
-						uint32_t dts = (double) _video_ms * iIdx / _video_num_samples;
-						writeH264(pBytes + iOffset, iFrameLen + 4, dts, dts + pRenderingOffset / 90);
+						writeH264(pBytes + iOffset, iFrameLen + 4, dts, pts);
 						iOffset += (iFrameLen + 4);
 					}
 				}else if(_bSyncSample){
@@ -260,9 +261,10 @@ inline bool MP4Reader::readAudioSample(int iTimeInc,bool justSeekSyncFrame) {
 			uint8_t *pBytes = _adts.buffer + 7;
 			if(MP4ReadSample(_hMP4File, _audio_trId, i + 1, &pBytes, &numBytes)){
 				if (!justSeekSyncFrame) {
+					uint32_t dts = (double) _audio_ms * i / _audio_num_samples;
 					_adts.aac_frame_length = 7 + numBytes;
 					writeAdtsHeader(_adts, _adts.buffer);
-					writeAAC(_adts.buffer, _adts.aac_frame_length, (double) _audio_ms * i / _audio_num_samples);
+					writeAAC(_adts.buffer, _adts.aac_frame_length, dts);
 				}
 			}else{
 				ErrorL << "读取音频失败:" << i+ 1;
diff --git a/src/Rtmp/RtmpMediaSource.h b/src/Rtmp/RtmpMediaSource.h
index 982d4401..928c9066 100644
--- a/src/Rtmp/RtmpMediaSource.h
+++ b/src/Rtmp/RtmpMediaSource.h
@@ -72,7 +72,6 @@ public:
 					const string &stream_id,
 					int ring_size = 0) :
 			MediaSource(RTMP_SCHEMA, vhost, app, stream_id), _ring_size(ring_size) {
-		_metadata = TitleMeta().getMetadata();
 	}
 
 	virtual ~RtmpMediaSource() {}
@@ -117,6 +116,9 @@ public:
 	virtual void setMetaData(const AMFValue &metadata) {
 		lock_guard<recursive_mutex> lock(_mtx);
 		_metadata = metadata;
+		if(_ring){
+			regist();
+		}
 	}
 
 	/**
@@ -143,10 +145,9 @@ public:
 			_ring = std::make_shared<RingType>(_ring_size, std::move(lam));
 			onReaderChanged(0);
 
-			//如果输入了非config帧，
-			//那么说明不再可能获取config帧以及metadata,
-			//所以我们强制其为已注册
-			regist();
+			if(_metadata){
+				regist();
+			}
 		}
 		_track_stamps_map[pkt->typeId] = pkt->timeStamp;
 		_ring->write(pkt, pkt->isVideoKeyFrame());
diff --git a/src/Rtmp/RtmpPlayerImp.h b/src/Rtmp/RtmpPlayerImp.h
index b06be303..e90acc43 100644
--- a/src/Rtmp/RtmpPlayerImp.h
+++ b/src/Rtmp/RtmpPlayerImp.h
@@ -66,6 +66,7 @@ private:
         _pRtmpMediaSrc = dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc);
         if(_pRtmpMediaSrc){
             _pRtmpMediaSrc->setMetaData(val);
+            _set_meta_data = true;
         }
         _delegate.reset(new RtmpDemuxer);
         _delegate->loadMetaData(val);
@@ -73,6 +74,10 @@ private:
     }
     void onMediaData(const RtmpPacket::Ptr &chunkData) override {
     	if(_pRtmpMediaSrc){
+            if(!_set_meta_data && !chunkData->isCfgFrame()){
+                _set_meta_data = true;
+                _pRtmpMediaSrc->setMetaData(TitleMeta().getMetadata());
+            }
             _pRtmpMediaSrc->onWrite(chunkData);
         }
         if(!_delegate){
@@ -83,6 +88,7 @@ private:
     }
 private:
     RtmpMediaSource::Ptr _pRtmpMediaSrc;
+    bool _set_meta_data = false;
 };
 
 
diff --git a/src/Rtmp/RtmpProtocol.cpp b/src/Rtmp/RtmpProtocol.cpp
index ad21351f..4de21a47 100644
--- a/src/Rtmp/RtmpProtocol.cpp
+++ b/src/Rtmp/RtmpProtocol.cpp
@@ -332,7 +332,7 @@ void RtmpProtocol::handle_C0C1() {
 		//complex handsharke
 		handle_C1_complex();
 #else
-		WarnL << "未打开ENABLE_OPENSSL宏，复杂握手采用简单方式处理！";
+		WarnL << "未打开ENABLE_OPENSSL宏，复杂握手采用简单方式处理，flash播放器可能无法播放！";
 		handle_C1_simple();
 #endif//ENABLE_OPENSSL
 	}
@@ -372,10 +372,10 @@ void RtmpProtocol::handle_C1_complex(){
 		check_C1_Digest(digest,c1_joined);
 
 		send_complex_S0S1S2(0,digest);
-		InfoL << "schema0";
+//		InfoL << "schema0";
 	}catch(std::exception &ex){
 		//貌似flash从来都不用schema1
-		WarnL << "try rtmp complex schema0 failed:" <<  ex.what();
+//		WarnL << "try rtmp complex schema0 failed:" <<  ex.what();
 		try{
 			/* c1s1 schema1
 			time: 4bytes
@@ -389,9 +389,9 @@ void RtmpProtocol::handle_C1_complex(){
 			check_C1_Digest(digest,c1_joined);
 
 			send_complex_S0S1S2(1,digest);
-			InfoL << "schema1";
+//			InfoL << "schema1";
 		}catch(std::exception &ex){
-			WarnL << "try rtmp complex schema1 failed:" <<  ex.what();
+//			WarnL << "try rtmp complex schema1 failed:" <<  ex.what();
 			handle_C1_simple();
 		}
 	}
diff --git a/src/Rtmp/RtmpSession.cpp b/src/Rtmp/RtmpSession.cpp
index e7e93688..061e512a 100644
--- a/src/Rtmp/RtmpSession.cpp
+++ b/src/Rtmp/RtmpSession.cpp
@@ -434,6 +434,7 @@ void RtmpSession::setMetaData(AMFDecoder &dec) {
     auto metadata = dec.load<AMFValue>();
 //    dumpMetadata(metadata);
     _pPublisherSrc->setMetaData(metadata);
+    _set_meta_data = true;
 }
 
 void RtmpSession::onProcessCmd(AMFDecoder &dec) {
@@ -452,7 +453,7 @@ void RtmpSession::onProcessCmd(AMFDecoder &dec) {
     std::string method = dec.load<std::string>();
 	auto it = s_cmd_functions.find(method);
 	if (it == s_cmd_functions.end()) {
-		TraceP(this) << "can not support cmd:" << method;
+//		TraceP(this) << "can not support cmd:" << method;
 		return;
 	}
 	_dNowReqID = dec.load<double>();
@@ -473,10 +474,11 @@ void RtmpSession::onRtmpChunk(RtmpPacket &chunkData) {
 	case MSG_DATA3: {
 		AMFDecoder dec(chunkData.strBuf, chunkData.typeId == MSG_CMD3 ? 1 : 0);
 		std::string type = dec.load<std::string>();
-		TraceP(this) << "notify:" << type;
 		if (type == "@setDataFrame") {
 			setMetaData(dec);
-		}
+		}else{
+            TraceP(this) << "unknown notify:" << type;
+        }
 	}
 		break;
 	case MSG_AUDIO:
@@ -490,6 +492,11 @@ void RtmpSession::onRtmpChunk(RtmpPacket &chunkData) {
             _stamp[chunkData.typeId % 2].revise(chunkData.timeStamp, chunkData.timeStamp, dts_out, dts_out, true);
             chunkData.timeStamp = dts_out;
         }
+
+        if(!_set_meta_data && !chunkData.isCfgFrame()){
+            _set_meta_data = true;
+            _pPublisherSrc->setMetaData(TitleMeta().getMetadata());
+        }
         _pPublisherSrc->onWrite(std::make_shared<RtmpPacket>(std::move(chunkData)));
 	}
 		break;
diff --git a/src/Rtmp/RtmpSession.h b/src/Rtmp/RtmpSession.h
index 572d40f8..f5b6df79 100644
--- a/src/Rtmp/RtmpSession.h
+++ b/src/Rtmp/RtmpSession.h
@@ -95,6 +95,7 @@ private:
 	std::string _strTcUrl;
 	MediaInfo _mediaInfo;
 	double _dNowReqID = 0;
+	bool _set_meta_data = false;
 	Ticker _ticker;//数据接收时间
 	RingBuffer<RtmpPacket::Ptr>::RingReader::Ptr _pRingReader;
 	std::shared_ptr<RtmpMediaSourceImp> _pPublisherSrc;
diff --git a/src/Rtsp/RtspSession.cpp b/src/Rtsp/RtspSession.cpp
index b9a3c424..6da40b06 100644
--- a/src/Rtsp/RtspSession.cpp
+++ b/src/Rtsp/RtspSession.cpp
@@ -932,12 +932,6 @@ inline void RtspSession::send_NotAcceptable() {
 
 
 void RtspSession::onRtpSorted(const RtpPacket::Ptr &rtppt, int trackidx) {
-    GET_CONFIG(bool,modify_stamp,Rtsp::kModifyStamp);
-    if(modify_stamp){
-        int64_t dts_out;
-        _stamp[trackidx].revise(rtppt->timeStamp, rtppt->timeStamp, dts_out, dts_out, true);
-        rtppt->timeStamp = dts_out;
-    }
 	_pushSrc->onWrite(rtppt, false);
 }
 inline void RtspSession::onRcvPeerUdpData(int intervaled, const Buffer::Ptr &pBuf, const struct sockaddr& addr) {