Merge pull request #17 from xiongziliang/master

update
2024-11-26 20:47:08 +08:00 · 2020-06-17 15:58:41 +08:00 · 2020-06-17 15:58:41 +08:00 · a46218965a
commit a46218965a
parent 05a65d4961 f881108dfe
118 changed files with 3386 additions and 2067 deletions
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@ -1 +1 @@
-Subproject commit 4ede70fc435eb0a4d3a752b521170d86440b3935
+Subproject commit 5030af90126ea8f01ded6744ae8abdf549d00a81
--- a/3rdpart/assert.h
+++ b/3rdpart/assert.h
@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef ZLMEDIAKIT_ASSERT_H
+#define ZLMEDIAKIT_ASSERT_H
+
+#include <stdio.h>
+#ifndef NDEBUG
+    #ifdef assert
+        #undef assert
+    #endif//assert
+
+    #ifdef __cplusplus
+    extern "C" {
+    #endif
+    extern void Assert_Throw(int failed, const char *exp, const char *func, const char *file, int line);
+    #ifdef __cplusplus
+    }
+    #endif
+
+    #define assert(exp) Assert_Throw(!(exp), #exp, __FUNCTION__, __FILE__, __LINE__);
+#else
+    #define	assert(e)	((void)0)
+#endif//NDEBUG
+
+#endif //ZLMEDIAKIT_ASSERT_H
--- a/3rdpart/media-server
+++ b/3rdpart/media-server
@ -1 +1 @@
-Subproject commit abc08f61bb1250b94d252cfeaea249527912dd3b
+Subproject commit 576216c64bf3bcdc5e787da2adb3e169bdd97118
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -39,6 +39,7 @@ set(MediaServer_Root ${CMAKE_CURRENT_SOURCE_DIR}/3rdpart/media-server)
 #设置头文件目录
 INCLUDE_DIRECTORIES(${ToolKit_Root})
 INCLUDE_DIRECTORIES(${MediaKit_Root})
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/3rdpart)

 set(ENABLE_HLS true)
 set(ENABLE_OPENSSL true)
@ -57,6 +58,8 @@ if (OPENSSL_FOUND AND ENABLE_OPENSSL)
    include_directories(${OPENSSL_INCLUDE_DIR})
    add_definitions(-DENABLE_OPENSSL)
    list(APPEND LINK_LIB_LIST ${OPENSSL_LIBRARIES})
+else()
+    message(WARNING "openssl未找到，rtmp将不支持flash播放器，https/wss/rtsps/rtmps也将失效")
 endif ()

 #查找mysql是否安装
@ -104,9 +107,9 @@ if(ENABLE_HLS)
    message(STATUS "ENABLE_HLS defined")
    add_definitions(-DENABLE_HLS)

+    include_directories(${MediaServer_Root}/libmpeg/include)
    aux_source_directory(${MediaServer_Root}/libmpeg/include src_mpeg)
    aux_source_directory(${MediaServer_Root}/libmpeg/source src_mpeg)
-    include_directories(${MediaServer_Root}/libmpeg/include)

    add_library(mpeg STATIC ${src_mpeg})
    list(APPEND LINK_LIB_LIST mpeg)
@ -121,13 +124,14 @@ if(ENABLE_MP4)
    message(STATUS "ENABLE_MP4 defined")
    add_definitions(-DENABLE_MP4)

+    include_directories(${MediaServer_Root}/libmov/include)
+    include_directories(${MediaServer_Root}/libflv/include)
+
    aux_source_directory(${MediaServer_Root}/libmov/include src_mov)
    aux_source_directory(${MediaServer_Root}/libmov/source src_mov)	
-	include_directories(${MediaServer_Root}/libmov/include)

    aux_source_directory(${MediaServer_Root}/libflv/include src_flv)
    aux_source_directory(${MediaServer_Root}/libflv/source src_flv)	
-	include_directories(${MediaServer_Root}/libflv/include)

    add_library(mov STATIC ${src_mov})
 	add_library(flv STATIC ${src_flv})
@ -141,10 +145,11 @@ endif()
 #添加rtp库用于rtp转ps/ts
 if(ENABLE_RTPPROXY AND ENABLE_HLS)
    message(STATUS "ENABLE_RTPPROXY defined")
+    include_directories(${MediaServer_Root}/librtp/include)
+
    aux_source_directory(${MediaServer_Root}/librtp/include src_rtp)
    aux_source_directory(${MediaServer_Root}/librtp/source src_rtp)
    aux_source_directory(${MediaServer_Root}/librtp/payload src_rtp)
-    include_directories(${MediaServer_Root}/librtp/include)
    add_library(rtp STATIC ${src_rtp})
    add_definitions(-DENABLE_RTPPROXY)
    list(APPEND LINK_LIB_LIST rtp)
--- a/README.md
+++ b/README.md
@ -1,4 +1,4 @@
-![logo](https://raw.githubusercontent.com/zlmediakit/ZLMediaKit/master/logo.png)
+![logo](https://raw.githubusercontent.com/zlmediakit/ZLMediaKit/master/www/logo.png)

 [english readme](https://github.com/xiongziliang/ZLMediaKit/blob/master/README_en.md)

@ -30,22 +30,21 @@

 ## 功能清单

- RTSP
-  - RTSP 服务器，支持RTMP/MP4转RTSP
-  - RTSPS 服务器，支持亚马逊echo show这样的设备
-  - RTSP 播放器，支持RTSP代理，支持生成静音音频
-  - RTSP 推流客户端与服务器
+- RTSP[S]
+  - RTSP[S] 服务器，支持RTMP/MP4/HLS转RTSP[S],支持亚马逊echo show这样的设备
+  - RTSP[S] 播放器，支持RTSP代理，支持生成静音音频
+  - RTSP[S] 推流客户端与服务器
  - 支持 `rtp over udp` `rtp over tcp` `rtp over http` `rtp组播`  四种RTP传输方式 
  - 服务器/客户端完整支持Basic/Digest方式的登录鉴权，全异步可配置化的鉴权接口
  - 支持H265编码
  - 服务器支持RTSP推流(包括`rtp over udp` `rtp over tcp`方式)
  - 支持任意编码格式的rtsp推流，只是除H264/H265/AAC/G711外无法转协议

- RTMP
-  - RTMP 播放服务器，支持RTSP/MP4转RTMP
-  - RTMP 发布服务器，支持录制发布流
-  - RTMP 播放器，支持RTMP代理，支持生成静音音频
-  - RTMP 推流客户端
+- RTMP[S]
+  - RTMP[S] 播放服务器，支持RTSP/MP4/HLS转RTMP
+  - RTMP[S] 发布服务器，支持录制发布流
+  - RTMP[S] 播放器，支持RTMP代理，支持生成静音音频
+  - RTMP[S] 推流客户端
  - 支持http[s]-flv直播
  - 支持websocket-flv直播
  - 支持任意编码格式的rtmp推流，只是除H264/H265/AAC/G711外无法转协议
@ -55,6 +54,7 @@
  - 支持HLS文件生成，自带HTTP文件服务器
  - 通过cookie追踪技术，可以模拟HLS播放为长连接，实现丰富的业务逻辑
  - 支持完备的HLS用户追踪、播放统计等业务功能，可以实现HLS按需拉流等业务
+  - 支持HLS播发器，支持拉流HLS转rtsp/rtmp/mp4

 - HTTP[S]
  - 服务器支持`目录索引生成`,`文件下载`,`表单提交请求`
@ -81,11 +81,15 @@
  - 支持按需拉流，无人观看自动关断拉流
  - 支持先拉流后推流，提高及时推流画面打开率
  - 提供c api sdk
+  - 支持FFmpeg拉流代理任意格式的流
+  - 支持http api生成并返回实时截图
+  
+## 更新日志
+  - 2020/5/17 新增支持hls播发器，支持hls拉流代理


 ## 编译以及测试
-
-请参考wiki:[快速开始](https://github.com/xiongziliang/ZLMediaKit/wiki/%E5%BF%AB%E9%80%9F%E5%BC%80%E5%A7%8B)
+**编译前务必仔细参考wiki:[快速开始](https://github.com/xiongziliang/ZLMediaKit/wiki/%E5%BF%AB%E9%80%9F%E5%BC%80%E5%A7%8B)操作!!!**

 ## 怎么使用

@ -114,8 +118,12 @@ bash build_docker_images.sh
 - [IOS摄像头实时录制,生成rtsp/rtmp/hls/http-flv](https://gitee.com/xiahcu/IOSMedia)
 - [IOS rtmp/rtsp播放器，视频推流器](https://gitee.com/xiahcu/IOSPlayer)
 - [支持linux、windows、mac的rtmp/rtsp播放器](https://github.com/xiongziliang/ZLMediaPlayer)
- - [配套的管理WEB网站](https://github.com/chenxiaolei/ZLMediaKit_NVR_UI)
+ - [基于ZLMediaKit分支的管理WEB网站](https://github.com/chenxiaolei/ZLMediaKit_NVR_UI)
+ - [基于ZLMediaKit主线的管理WEB网站](https://gitee.com/kkkkk5G/MediaServerUI)
 - [DotNetCore的RESTful客户端](https://github.com/MingZhuLiu/ZLMediaKit.DotNetCore.Sdk)
+ - [GB28181-2016网络视频平台](https://github.com/swwheihei/wvp)
+ - [node-js版本的GB28181平台](https://gitee.com/hfwudao/GB28181_Node_Http)
+ 

 ## 授权协议

--- a/README_en.md
+++ b/README_en.md
@ -1,4 +1,4 @@
-![logo](https://raw.githubusercontent.com/zlmediakit/ZLMediaKit/master/logo.png)
+![logo](https://raw.githubusercontent.com/zlmediakit/ZLMediaKit/master/www/logo.png)

 # A lightweight ,high performance and stable stream server and client framework based on C++11.

@ -15,18 +15,18 @@

 ## Features

- RTSP
+- RTSP[S]
  - RTSP[S] server,support rtsp push.
-  - RTSP player and pusher.
+  - RTSP[S] player and pusher.
  - RTP Transport : `rtp over udp` `rtp over tcp` `rtp over http` `rtp udp multicast` .
  - Basic/Digest/Url Authentication.
  - H264/H265/AAC/G711 codec.
  - Recorded as mp4.
  - Vod of mp4.
  
- RTMP
-  - RTMP server,support player and pusher.
-  - RTMP player and pusher.
+- RTMP[S]
+  - RTMP[S] server,support player and pusher.
+  - RTMP[S] player and pusher.
  - Support HTTP-FLV player.
  - H264/H265/AAC/G711 codec.
  - Recorded as flv or mp4.
@ -36,6 +36,7 @@
 - HLS
  - RTSP RTMP can be converted into HLS,built-in HTTP server.
  - Play authentication based on cookie.
+  - Support HLS player, support streaming HLS proxy to RTSP / RTMP / MP4.

 - HTTP[S]
  - HTTP server,suppor directory meun、RESTful http api.
@ -53,6 +54,7 @@
  - Play and push authentication.
  - Pull stream on Demand.
  - Support TS / PS streaming push through RTP,and it can be converted to RTSP / RTMP / HLS / FLV.
+  - Support real-time online screenshot http api.


 - Protocol conversion:
@ -67,6 +69,7 @@
 |           RTMP --> MP4           |  Y   |  Y   |  Y   |   N   |
 |         MP4 --> RTSP[S]          |  Y   |  Y   |  Y   |   N   |
 |           MP4 --> RTMP           |  Y   |  Y   |  Y   |   N   |
+|           HLS --> RTSP/RTMP/MP4  |  Y   |  Y   |  Y   |   N   |

 - Stream generation：

@ -106,7 +109,7 @@
 | RTMP Pusher |  Y   |
 |   HTTP[S]   |  Y   |
 | WebSocket[S] |  Y   |
-
+| HLS player |  Y   |


 ## System Requirements
--- a/api/include/mk_thread.h
+++ b/api/include/mk_thread.h
@ -36,6 +36,22 @@ API_EXPORT mk_thread API_CALL mk_thread_from_tcp_session(mk_tcp_session ctx);
 */
 API_EXPORT mk_thread API_CALL mk_thread_from_tcp_client(mk_tcp_client ctx);

+/**
+ * 根据负载均衡算法，从事件线程池中随机获取一个事件线程
+ * 如果在事件线程内执行此函数将返回本事件线程
+ * 事件线程指的是定时器、网络io事件线程
+ * @return 事件线程
+ */
+API_EXPORT mk_thread API_CALL mk_thread_from_pool();
+
+/**
+ * 根据负载均衡算法，从后台线程池中随机获取一个线程
+ * 后台线程本质与事件线程相同，只是优先级更低，同时可以执行短时间的阻塞任务
+ * ZLMediaKit中后台线程用于dns解析、mp4点播时的文件解复用
+ * @return 后台线程
+ */
+API_EXPORT mk_thread API_CALL mk_thread_from_pool_work();
+
 ///////////////////////////////////////////线程切换/////////////////////////////////////////////
 typedef void (API_CALL *on_mk_async)(void *user_data);

--- a/api/source/mk_tcp.cpp
+++ b/api/source/mk_tcp.cpp
@ -144,10 +144,12 @@ API_EXPORT uint16_t API_CALL mk_tcp_server_start(uint16_t port, mk_tcp_type type
                s_tcp_server[type]->start<TcpSessionWithSSL<TcpSessionForC> >(port);
                break;
            case mk_type_ws:
-                s_tcp_server[type]->start<WebSocketSession<TcpSessionForC, HttpSession>>(port);
+                //此处你也可以修改WebSocketHeader::BINARY
+                s_tcp_server[type]->start<WebSocketSession<TcpSessionForC, HttpSession, WebSocketHeader::TEXT> >(port);
                break;
            case mk_type_wss:
-                s_tcp_server[type]->start<WebSocketSession<TcpSessionForC, HttpsSession>>(port);
+                //此处你也可以修改WebSocketHeader::BINARY
+                s_tcp_server[type]->start<WebSocketSession<TcpSessionForC, HttpsSession, WebSocketHeader::TEXT> >(port);
                break;
            default:
                return 0;
@ -208,8 +210,10 @@ TcpClientForC::Ptr *mk_tcp_client_create_l(mk_tcp_client_events *events, mk_tcp_
        case mk_type_ssl:
            return (TcpClientForC::Ptr *)new shared_ptr<TcpSessionWithSSL<TcpClientForC> >(new TcpSessionWithSSL<TcpClientForC>(events));
        case mk_type_ws:
+            //此处你也可以修改WebSocketHeader::BINARY
            return (TcpClientForC::Ptr *)new shared_ptr<WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, false> >(new WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, false>(events));
        case mk_type_wss:
+            //此处你也可以修改WebSocketHeader::BINARY
            return (TcpClientForC::Ptr *)new shared_ptr<WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, true> >(new WebSocketClient<TcpClientForC, WebSocketHeader::TEXT, true>(events));
        default:
            return nullptr;
--- a/api/source/mk_thread.cpp
+++ b/api/source/mk_thread.cpp
@ -12,6 +12,7 @@
 #include "mk_tcp_private.h"
 #include "Util/logger.h"
 #include "Poller/EventPoller.h"
+#include "Thread/WorkThreadPool.h"
 using namespace std;
 using namespace toolkit;

@ -27,6 +28,14 @@ API_EXPORT mk_thread API_CALL mk_thread_from_tcp_client(mk_tcp_client ctx){
    return (*client)->getPoller().get();
 }

+API_EXPORT mk_thread API_CALL mk_thread_from_pool(){
+    return EventPollerPool::Instance().getPoller().get();
+}
+
+API_EXPORT mk_thread API_CALL mk_thread_from_pool_work(){
+    return WorkThreadPool::Instance().getPoller().get();
+}
+
 API_EXPORT void API_CALL mk_async_do(mk_thread ctx,on_mk_async cb, void *user_data){
    assert(ctx && cb);
    EventPoller *poller = (EventPoller *)ctx;
--- a/conf/config.ini
+++ b/conf/config.ini
@ -4,12 +4,18 @@ apiDebug=1
 #一些比较敏感的http api在访问时需要提供secret，否则无权限调用
 #如果是通过127.0.0.1访问,那么可以不提供secret
 secret=035c73f7-bb6b-4889-a715-d9eb2d1925cc
+#截图保存路径根目录，截图通过http api(/index/api/getSnap)生成和获取
+snapRoot=./www/snap/
+#默认截图图片，在启动FFmpeg截图后但是截图还未生成时，可以返回默认的预设图片
+defaultSnap=./www/logo.png

 [ffmpeg]
 #FFmpeg可执行程序绝对路径
 bin=/usr/local/bin/ffmpeg
 #FFmpeg拉流再推流的命令模板，通过该模板可以设置再编码的一些参数
 cmd=%s -re -i %s -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s
+#FFmpeg生成截图的命令，可以通过修改该配置改变截图分辨率或质量
+snap=%s -i %s -y -f mjpeg -t 0.001 %s
 #FFmpeg日志的路径，如果置空则不生成FFmpeg日志
 #可以为相对(相对于本可执行程序目录)或绝对路径
 log=./ffmpeg/ffmpeg.log
@ -43,6 +49,11 @@ publishToMP4=0
 #合并写缓存大小(单位毫秒)，合并写指服务器缓存一定的数据后才会一次性写入socket，这样能提高性能，但是会提高延时
 #开启后会同时关闭TCP_NODELAY并开启MSG_MORE
 mergeWriteMS=0
+#全局的时间戳覆盖开关，在转协议时，对frame进行时间戳覆盖
+#该开关对rtsp/rtmp/rtp推流、rtsp/rtmp/hls拉流代理转协议时生效
+#会直接影响rtsp/rtmp/hls/mp4/flv等协议的时间戳
+#同协议情况下不影响(例如rtsp/rtmp推流，那么播放rtsp/rtmp时不会影响时间戳)
+modifyStamp=0

 [hls]
 #hls写文件的buf大小，调整参数可以提高文件io性能
@ -76,8 +87,9 @@ on_publish=https://127.0.0.1/index/hook/on_publish
 on_record_mp4=https://127.0.0.1/index/hook/on_record_mp4
 #rtsp播放鉴权事件，此事件中比对rtsp的用户名密码
 on_rtsp_auth=https://127.0.0.1/index/hook/on_rtsp_auth
-#rtsp播放是否开启鉴权事件，置空则关闭rtsp鉴权。rtsp播放鉴权还支持url方式鉴权
+#rtsp播放是否开启专属鉴权事件，置空则关闭rtsp鉴权。rtsp播放鉴权还支持url方式鉴权
 #建议开发者统一采用url参数方式鉴权，rtsp用户名密码鉴权一般在设备上用的比较多
+#开启rtsp专属鉴权后，将不再触发on_play鉴权事件
 on_rtsp_realm=https://127.0.0.1/index/hook/on_rtsp_realm
 #远程telnet调试鉴权事件
 on_shell_login=https://127.0.0.1/index/hook/on_shell_login
--- a/server/FFmpegSource.cpp
+++ b/server/FFmpegSource.cpp
@ -13,26 +13,27 @@
 #include "Common/MediaSource.h"
 #include "Util/File.h"
 #include "System.h"
+#include "Thread/WorkThreadPool.h"

 namespace FFmpeg {
 #define FFmpeg_FIELD "ffmpeg."
 const string kBin = FFmpeg_FIELD"bin";
 const string kCmd = FFmpeg_FIELD"cmd";
 const string kLog = FFmpeg_FIELD"log";
+const string kSnap = FFmpeg_FIELD"snap";

 onceToken token([]() {
 #ifdef _WIN32
-    string ffmpeg_bin = System::execute("where ffmpeg");
-    //windows下先关闭FFmpeg日志(目前不支持日志重定向)
-    mINI::Instance()[kCmd] = "%s -re -i \"%s\" -loglevel quiet -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s ";
+    string ffmpeg_bin = trim(System::execute("where ffmpeg"));
 #else
-    string ffmpeg_bin = System::execute("which ffmpeg");
-    mINI::Instance()[kCmd] = "%s -re -i \"%s\" -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s ";
+    string ffmpeg_bin = trim(System::execute("which ffmpeg"));
 #endif
    //默认ffmpeg命令路径为环境变量中路径
    mINI::Instance()[kBin] = ffmpeg_bin.empty() ? "ffmpeg" : ffmpeg_bin;
    //ffmpeg日志保存路径
    mINI::Instance()[kLog] = "./ffmpeg/ffmpeg.log";
+    mINI::Instance()[kCmd] = "%s -re -i %s -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s";
+    mINI::Instance()[kSnap] = "%s -i %s -y -f mjpeg -t 0.001 %s";
 });
 }

@ -114,8 +115,7 @@ void FFmpegSource::findAsync(int maxWaitMS, const function<void(const MediaSourc
    auto src = MediaSource::find(_media_info._schema,
                                 _media_info._vhost,
                                 _media_info._app,
-                                 _media_info._streamid,
-                                 false);
+                                 _media_info._streamid);
    if(src || !maxWaitMS){
        cb(src);
        return;
@ -196,7 +196,19 @@ void FFmpegSource::startTimer(int timeout_ms) {
            //推流给其他服务器的，我们通过判断FFmpeg进程是否在线，如果FFmpeg推流中断，那么它应该会自动退出
            if (!strongSelf->_process.wait(false)) {
                //ffmpeg不在线，重新拉流
-                strongSelf->play(strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [](const SockException &) {});
+                strongSelf->play(strongSelf->_src_url, strongSelf->_dst_url, timeout_ms, [weakSelf](const SockException &ex) {
+                    if(!ex){
+                        //没有错误
+                        return;
+                    }
+                    auto strongSelf = weakSelf.lock();
+                    if (!strongSelf) {
+                        //自身已经销毁
+                        return;
+                    }
+                    //上次重试时间超过10秒，那么再重试FFmpeg拉流
+                    strongSelf->startTimer(10 * 1000);
+                });
            }
        }
        return true;
@ -232,3 +244,31 @@ void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
    _listener = src->getListener();
    src->setListener(shared_from_this());
 }
+
+void FFmpegSnap::makeSnap(const string &play_url, const string &save_path, float timeout_sec,  const function<void(bool)> &cb) {
+    GET_CONFIG(string,ffmpeg_bin,FFmpeg::kBin);
+    GET_CONFIG(string,ffmpeg_snap,FFmpeg::kSnap);
+    GET_CONFIG(string,ffmpeg_log,FFmpeg::kLog);
+
+    std::shared_ptr<Process> process = std::make_shared<Process>();
+    auto delayTask = EventPollerPool::Instance().getPoller()->doDelayTask(timeout_sec * 1000,[process,cb](){
+        if(process->wait(false)){
+            //FFmpeg进程还在运行，超时就关闭它
+            process->kill(2000);
+        }
+        return 0;
+    });
+
+    WorkThreadPool::Instance().getPoller()->async([process,play_url,save_path,delayTask,cb](){
+        char cmd[1024] = {0};
+        snprintf(cmd, sizeof(cmd),ffmpeg_snap.data(),ffmpeg_bin.data(),play_url.data(),save_path.data());
+        process->run(cmd,ffmpeg_log.empty() ? "" : File::absolutePath("",ffmpeg_log));
+        //等待FFmpeg进程退出
+        process->wait(true);
+        //FFmpeg进程退出了可以取消定时器了
+        delayTask->cancel();
+        //执行回调函数
+        cb(process->exit_code() == 0);
+    });
+}
+
--- a/server/FFmpegSource.h
+++ b/server/FFmpegSource.h
@ -23,6 +23,23 @@ using namespace std;
 using namespace toolkit;
 using namespace mediakit;

+namespace FFmpeg {
+    extern const string kSnap;
+}
+
+class FFmpegSnap {
+public:
+    /// 创建截图
+    /// \param play_url 播放url地址，只要FFmpeg支持即可
+    /// \param save_path 截图jpeg文件保存路径
+    /// \param timeout_sec 生成截图超时时间(防止阻塞太久)
+    /// \param cb 生成截图成功与否回调
+    static void makeSnap(const string &play_url, const string &save_path, float timeout_sec, const function<void(bool)> &cb);
+private:
+    FFmpegSnap() = delete;
+    ~FFmpegSnap() = delete;
+};
+
 class FFmpegSource : public std::enable_shared_from_this<FFmpegSource> , public MediaSourceEvent{
 public:
    typedef shared_ptr<FFmpegSource> Ptr;
--- a/server/Process.cpp
+++ b/server/Process.cpp
@ -10,13 +10,13 @@

 #include <limits.h>
 #include <sys/stat.h>
-
 #ifndef _WIN32
 #include <sys/resource.h>
 #include <unistd.h>
 #else
 //#include <TlHelp32.h>
 #include <windows.h>
+#include <io.h>
 #endif

 #include <stdexcept>
@ -32,68 +32,83 @@ using namespace toolkit;
 void Process::run(const string &cmd, const string &log_file_tmp) {
    kill(2000);
 #ifdef _WIN32
-    STARTUPINFO si;
-    PROCESS_INFORMATION pi;
-    ZeroMemory(&si, sizeof(si));			//结构体初始化；
-    ZeroMemory(&pi, sizeof(pi));
+    STARTUPINFO si = {0};
+    PROCESS_INFORMATION pi = {0};
+    string log_file;
+    if (log_file_tmp.empty()) {
+        //未指定子进程日志文件时，重定向至/dev/null
+        log_file = "NUL";
+    } else {
+        log_file = StrPrinter << log_file_tmp << "." << getCurrentMillisecond();
+    }
+
+    //重定向shell日志至文件
+    auto fp = File::create_file(log_file.data(), "ab");
+    if (!fp) {
+        fprintf(stderr, "open log file %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
+    } else {
+        auto log_fd = (HANDLE)(_get_osfhandle(fileno(fp)));
+        // dup to stdout and stderr.
+        si.wShowWindow = SW_HIDE;
+        // STARTF_USESHOWWINDOW:The wShowWindow member contains additional information.   
+        // STARTF_USESTDHANDLES:The hStdInput, hStdOutput, and hStdError members contain additional information.    
+        si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
+        si.hStdError = log_fd;
+        si.hStdOutput = log_fd;
+    }

    LPTSTR lpDir = const_cast<char*>(cmd.data());
-
-    if (CreateProcess(NULL, lpDir, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi)){
+    if (CreateProcess(NULL, lpDir, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi)){
        //下面两行关闭句柄，解除本进程和新进程的关系，不然有可能 不小心调用TerminateProcess函数关掉子进程 
-        CloseHandle(pi.hProcess);
        CloseHandle(pi.hThread);
-
        _pid = pi.dwProcessId;
-        InfoL << "start child proces " << _pid;
+        _handle = pi.hProcess;
+        fprintf(fp, "\r\n\r\n#### pid=%d,cmd=%s #####\r\n\r\n", _pid, cmd.data());
+        InfoL << "start child process " << _pid << ", log file:" << log_file;
    } else {
-        WarnL << "start child proces fail: " << GetLastError();
+        WarnL << "start child process fail: " << get_uv_errmsg();
    }
+    fclose(fp);
 #else
    _pid = fork();
    if (_pid < 0) {
-        throw std::runtime_error(StrPrinter << "fork child process falied,err:" << get_uv_errmsg());
+        throw std::runtime_error(StrPrinter << "fork child process failed,err:" << get_uv_errmsg());
    }
    if (_pid == 0) {
+        string log_file;
+        if (log_file_tmp.empty()) {
+            //未指定子进程日志文件时，重定向至/dev/null
+            log_file = "/dev/null";
+        } else {
+            log_file = StrPrinter << log_file_tmp << "." << getpid();
+        }
        //子进程关闭core文件生成
        struct rlimit rlim = {0, 0};
        setrlimit(RLIMIT_CORE, &rlim);

        //在启动子进程时，暂时禁用SIGINT、SIGTERM信号
-        // ignore the SIGINT and SIGTERM
        signal(SIGINT, SIG_IGN);
        signal(SIGTERM, SIG_IGN);

-        string log_file;
-        if (log_file_tmp.empty()) {
-            log_file = "/dev/null";
-        }
-        else {
-            log_file = StrPrinter << log_file_tmp << "." << getpid();
-        }
-
-        int log_fd = -1;
-        int flags = O_CREAT | O_WRONLY | O_APPEND;
-        mode_t mode = S_IRWXO | S_IRWXG | S_IRWXU;// S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH;
-        File::create_path(log_file.data(), mode);
-        if ((log_fd = ::open(log_file.c_str(), flags, mode)) < 0) {
-            fprintf(stderr, "open log file %s failed:%d(%s)\r\n", log_file.data(), errno, strerror(errno));
-        }
-        else {
+        //重定向shell日志至文件
+        auto fp = File::create_file(log_file.data(), "ab");
+        if (!fp) {
+            fprintf(stderr, "open log file %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
+        } else {
+            auto log_fd = fileno(fp);
            // dup to stdout and stderr.
            if (dup2(log_fd, STDOUT_FILENO) < 0) {
-                fprintf(stderr, "dup2 stdout file %s failed:%d(%s)\r\n", log_file.data(), errno, strerror(errno));
+                fprintf(stderr, "dup2 stdout file %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
            }
            if (dup2(log_fd, STDERR_FILENO) < 0) {
-                fprintf(stderr, "dup2 stderr file  %s failed:%d(%s)\r\n", log_file.data(), errno, strerror(errno));
+                fprintf(stderr, "dup2 stderr file  %s failed:%d(%s)\r\n", log_file.data(), get_uv_error(), get_uv_errmsg());
            }
-            // close log fd
-            ::close(log_fd);
+            // 关闭日志文件
+            ::fclose(fp);
        }
        fprintf(stderr, "\r\n\r\n#### pid=%d,cmd=%s #####\r\n\r\n", getpid(), cmd.data());

-        // close other fds
-        // TODO: do in right way.
+        //关闭父进程继承的fd
        for (int i = 3; i < 1024; i++) {
            ::close(i);
        }
@ -111,11 +126,19 @@ void Process::run(const string &cmd, const string &log_file_tmp) {
        // TODO: execv or execvp
        auto ret = execv(params[0].c_str(), charpv_params);
        if (ret < 0) {
-            fprintf(stderr, "fork process failed, errno=%d(%s)\r\n", errno, strerror(errno));
+            fprintf(stderr, "fork process failed:%d(%s)\r\n", get_uv_error(), get_uv_errmsg());
        }
        exit(ret);
    }
-    InfoL << "start child proces " << _pid;
+
+    string log_file;
+    if (log_file_tmp.empty()) {
+        //未指定子进程日志文件时，重定向至/dev/null
+        log_file = "/dev/null";
+    } else {
+        log_file = StrPrinter << log_file_tmp << "." << _pid;
+    }
+    InfoL << "start child process " << _pid << ", log file:" << log_file;
 #endif // _WIN32
 }

@ -126,24 +149,41 @@ void Process::run(const string &cmd, const string &log_file_tmp) {
 * @param block 是否阻塞等待
 * @return 进程是否还在运行
 */
-static bool s_wait(pid_t pid,int *exit_code_ptr,bool block) {
+static bool s_wait(pid_t pid, void *handle, int *exit_code_ptr, bool block) {
    if (pid <= 0) {
        return false;
    }
-    int status = 0;
 #ifdef _WIN32
-    HANDLE hProcess = NULL;
-    hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, pid);	//打开目标进程
-    if (hProcess == NULL) {
+    DWORD code = 0;
+    if (block) {
+        //一直等待
+        code = WaitForSingleObject(handle, INFINITE);
+    } else {
+        code = WaitForSingleObject(handle, 0);
+    }
+
+    if(code == WAIT_FAILED || code == WAIT_OBJECT_0){
+        //子进程已经退出了,获取子进程退出代码
+        DWORD exitCode = 0;
+        if(exit_code_ptr && GetExitCodeProcess(handle, &exitCode)){
+            *exit_code_ptr = exitCode;
+        }
        return false;
    }

-    CloseHandle(hProcess);
+    if(code == WAIT_TIMEOUT){
+        //子进程还在线
+        return true;
+    }
+    //不太可能运行到此处
+    WarnL << "WaitForSingleObject ret:" << code;
+    return false;
 #else
+    int status = 0;
    pid_t p = waitpid(pid, &status, block ? 0 : WNOHANG);
    int exit_code = (status & 0xFF00) >> 8;
    if (exit_code_ptr) {
-        *exit_code_ptr = (status & 0xFF00) >> 8;
+        *exit_code_ptr = exit_code;
    }
    if (p < 0) {
        WarnL << "waitpid failed, pid=" << pid << ", err=" << get_uv_errmsg();
@ -153,26 +193,57 @@ static bool s_wait(pid_t pid,int *exit_code_ptr,bool block) {
        InfoL << "process terminated, pid=" << pid << ", exit code=" << exit_code;
        return false;
    }
-#endif // _WIN32
-
    return true;
+#endif // _WIN32
 }

-static void s_kill(pid_t pid,int max_delay,bool force){
+#ifdef _WIN32
+// Inspired from http://stackoverflow.com/a/15281070/1529139
+// and http://stackoverflow.com/q/40059902/1529139
+bool signalCtrl(DWORD dwProcessId, DWORD dwCtrlEvent){
+    bool success = false;
+    DWORD thisConsoleId = GetCurrentProcessId();
+    // Leave current console if it exists
+    // (otherwise AttachConsole will return ERROR_ACCESS_DENIED)
+    bool consoleDetached = (FreeConsole() != FALSE);
+
+    if (AttachConsole(dwProcessId) != FALSE){
+        // Add a fake Ctrl-C handler for avoid instant kill is this console
+        // WARNING: do not revert it or current program will be also killed
+        SetConsoleCtrlHandler(nullptr, true);
+        success = (GenerateConsoleCtrlEvent(dwCtrlEvent, 0) != FALSE);
+        FreeConsole();
+    }
+
+    if (consoleDetached){
+        // Create a new console if previous was deleted by OS
+        if (AttachConsole(thisConsoleId) == FALSE){
+            int errorCode = GetLastError();
+            if (errorCode == 31){
+                // 31=ERROR_GEN_FAILURE
+                AllocConsole();
+            }
+        }
+    }
+    return success;
+}
+#endif // _WIN32
+
+static void s_kill(pid_t pid, void *handle, int max_delay, bool force) {
    if (pid <= 0) {
        //pid无效
        return;
    }
 #ifdef _WIN32
-    HANDLE hProcess = NULL;
-    hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, pid);	//打开目标进程
-    if (hProcess == NULL) {
-        WarnL << "\nOpen Process fAiled: " << GetLastError();
-        return;
-    }
-    DWORD ret = TerminateProcess(hProcess, 0);	//结束目标进程
-    if (ret == 0) {
-        WarnL << GetLastError;
+    //windows下目前没有比较好的手段往子进程发送SIGTERM或信号
+    //所以杀死子进程的方式全部强制为立即关闭
+    force = true;
+    if(force){
+        //强制关闭子进程
+        TerminateProcess(handle, 0);
+    }else{
+        //非强制关闭，发送Ctr+C信号
+        signalCtrl(pid, CTRL_C_EVENT);
    }
 #else
    if (::kill(pid, force ? SIGKILL : SIGTERM) == -1) {
@ -182,23 +253,22 @@ static void s_kill(pid_t pid,int max_delay,bool force){
    }
 #endif // _WIN32

-
    if (force) {
        //发送SIGKILL信号后，阻塞等待退出
-        s_wait(pid, NULL, true);
+        s_wait(pid, handle, nullptr, true);
        DebugL << "force kill " << pid << " success!";
        return;
    }

    //发送SIGTERM信号后，2秒后检查子进程是否已经退出
-    WorkThreadPool::Instance().getPoller()->doDelayTask(max_delay,[pid](){
-        if (!s_wait(pid, nullptr, false)) {
+    WorkThreadPool::Instance().getPoller()->doDelayTask(max_delay, [pid, handle]() {
+        if (!s_wait(pid, handle, nullptr, false)) {
            //进程已经退出了
            return 0;
        }
        //进程还在运行
        WarnL << "process still working,force kill it:" << pid;
-        s_kill(pid,0, true);
+        s_kill(pid, handle, 0, true);
        return 0;
    });
 }
@ -207,8 +277,14 @@ void Process::kill(int max_delay,bool force) {
    if (_pid <= 0) {
        return;
    }
-    s_kill(_pid,max_delay,force);
+    s_kill(_pid, _handle, max_delay, force);
    _pid = -1;
+#ifdef _WIN32
+    if(_handle){
+        CloseHandle(_handle);
+        _handle = nullptr;
+    }
+#endif
 }

 Process::~Process() {
@ -218,7 +294,7 @@ Process::~Process() {
 Process::Process() {}

 bool Process::wait(bool block) {
-    return s_wait(_pid,&_exit_code,block);
+    return s_wait(_pid, _handle, &_exit_code, block);
 }

 int Process::exit_code() {
--- a/server/Process.h
+++ b/server/Process.h
@ -31,6 +31,7 @@ public:
    int exit_code();
 private:
    pid_t _pid = -1;
+    void *_handle = nullptr;
    int _exit_code = 0;
 };

--- a/server/System.cpp
+++ b/server/System.cpp
@ -52,7 +52,7 @@ string System::execute(const string &cmd) {

 #if !defined(ANDROID) && !defined(_WIN32)
 static string addr2line(const string &address) {
-    string cmd = StrPrinter << "addr2line -e " << exePath() << " " << address;
+    string cmd = StrPrinter << "addr2line -C -f -e " << exePath() << " " << address;
    return System::execute(cmd);
 }

--- a/server/WebApi.cpp
+++ b/server/WebApi.cpp
@ -8,11 +8,12 @@
 * may be found in the AUTHORS file in the root of the source tree.
 */

+#include <sys/stat.h>
+#include <math.h>
 #include <signal.h>
 #include <functional>
 #include <sstream>
 #include <unordered_map>
-#include <math.h>
 #include "jsoncpp/json.h"
 #include "Util/util.h"
 #include "Util/logger.h"
@ -50,10 +51,14 @@ typedef enum {
 #define API_FIELD "api."
 const string kApiDebug = API_FIELD"apiDebug";
 const string kSecret = API_FIELD"secret";
+const string kSnapRoot = API_FIELD"snapRoot";
+const string kDefaultSnap = API_FIELD"defaultSnap";

 static onceToken token([]() {
    mINI::Instance()[kApiDebug] = "1";
    mINI::Instance()[kSecret] = "035c73f7-bb6b-4889-a715-d9eb2d1925cc";
+    mINI::Instance()[kSnapRoot] = "./www/snap/";
+    mINI::Instance()[kDefaultSnap] = "./www/logo.png";
 });
 }//namespace API

@ -145,7 +150,6 @@ static inline void addHttpListener(){
    NoticeCenter::Instance().addListener(nullptr, Broadcast::kBroadcastHttpRequest, [](BroadcastHttpRequestArgs) {
        auto it = s_map_api.find(parser.Url());
        if (it == s_map_api.end()) {
-            consumed = false;
            return;
        }
        //该api已被消费
@ -174,7 +178,7 @@ static inline void addHttpListener(){
                    size = body->remainSize();
                }

-                if(size < 4 * 1024){
+                if(size && size < 4 * 1024){
                    string contentOut = body->readData(size)->toString();
                    DebugL << "\r\n# request:\r\n" << parser.Method() << " " << parser.FullUrl() << "\r\n"
                           << "# content:\r\n" << parser.Content() << "\r\n"
@ -436,14 +440,14 @@ void installWebApi() {
    api_regist1("/index/api/isMediaOnline",[](API_ARGS1){
        CHECK_SECRET();
        CHECK_ARGS("schema","vhost","app","stream");
-        val["online"] = (bool) (MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"],false));
+        val["online"] = (bool) (MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"]));
    });

    //测试url http://127.0.0.1/index/api/getMediaInfo?schema=rtsp&vhost=__defaultVhost__&app=live&stream=obs
    api_regist1("/index/api/getMediaInfo",[](API_ARGS1){
        CHECK_SECRET();
        CHECK_ARGS("schema","vhost","app","stream");
-        auto src = MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"],false);
+        auto src = MediaSource::find(allArgs["schema"],allArgs["vhost"],allArgs["app"],allArgs["stream"]);
        if(!src){
            val["online"] = false;
            return;
@ -817,6 +821,78 @@ void installWebApi() {
        val["data"]["paths"] = paths;
    });

+    static auto responseSnap = [](const string &snap_path,
+                                  const HttpSession::KeyValue &headerIn,
+                                  const HttpSession::HttpResponseInvoker &invoker) {
+        StrCaseMap headerOut;
+        struct stat statbuf = {0};
+        GET_CONFIG(string, defaultSnap, API::kDefaultSnap);
+        if (!(stat(snap_path.data(), &statbuf) == 0 && statbuf.st_size != 0) && !defaultSnap.empty()) {
+            //空文件且设置了预设图，则返回预设图片(也就是FFmpeg生成截图中空档期的默认图片)
+            const_cast<string&>(snap_path) = File::absolutePath(defaultSnap, "");
+            headerOut["Content-Type"] = HttpFileManager::getContentType(snap_path.data());
+        } else {
+            //之前生成的截图文件，我们默认为jpeg格式
+            headerOut["Content-Type"] = HttpFileManager::getContentType(".jpeg");
+        }
+        //返回图片给http客户端
+        invoker.responseFile(headerIn, headerOut, snap_path);
+    };
+
+    //获取截图缓存或者实时截图
+    //http://127.0.0.1/index/api/getSnap?url=rtmp://127.0.0.1/record/robot.mp4&timeout_sec=10&expire_sec=3
+    api_regist2("/index/api/getSnap", [](API_ARGS2){
+        CHECK_SECRET();
+        CHECK_ARGS("url", "timeout_sec", "expire_sec");
+        GET_CONFIG(string, snap_root, API::kSnapRoot);
+
+        int expire_sec = allArgs["expire_sec"];
+        auto scan_path = File::absolutePath(MD5(allArgs["url"]).hexdigest(), snap_root) + "/";
+        string snap_path;
+        File::scanDir(scan_path, [&](const string &path, bool isDir) {
+            if (isDir) {
+                //忽略文件夹
+                return true;
+            }
+
+            //找到截图
+            auto tm = FindField(path.data() + scan_path.size(), nullptr, ".jpeg");
+            if (atoll(tm.data()) + expire_sec < time(NULL)) {
+                //截图已经过期,删除之，后面重新生成
+                File::delete_file(path.data());
+                return true;
+            }
+
+            //截图未过期,中断遍历，返回上次生成的截图
+            snap_path = path;
+            return false;
+        });
+
+        if(!snap_path.empty()){
+            responseSnap(snap_path, headerIn, invoker);
+            return;
+        }
+
+        //无截图或者截图已经过期
+        snap_path = StrPrinter << scan_path << time(NULL) << ".jpeg";
+
+        //生成一个空文件，目的是顺便创建文件夹路径，
+        //同时防止在FFmpeg生成截图途中不停的尝试调用该api启动FFmpeg生成相同的截图
+        auto file = File::create_file(snap_path.data(), "wb");
+        if (file) {
+            fclose(file);
+        }
+
+        //启动FFmpeg进程，开始截图
+        FFmpegSnap::makeSnap(allArgs["url"],snap_path,allArgs["timeout_sec"],[invoker,headerIn,snap_path](bool success){
+            if(!success){
+                //生成截图失败，可能残留空文件
+                File::delete_file(snap_path.data());
+            }
+            responseSnap(snap_path, headerIn, invoker);
+        });
+    });
+
    ////////////以下是注册的Hook API////////////
    api_regist1("/index/hook/on_publish",[](API_ARGS1){
        //开始推流事件
--- a/src/Common/Device.cpp
+++ b/src/Common/Device.cpp
@ -78,14 +78,6 @@ void DevChannel::inputH264(const char *data, int len, uint32_t dts, uint32_t pts
    if(pts == 0){
        pts = dts;
    }
-    int prefixeSize;
-    if (memcmp("\x00\x00\x00\x01", data, 4) == 0) {
-        prefixeSize = 4;
-    } else if (memcmp("\x00\x00\x01", data, 3) == 0) {
-        prefixeSize = 3;
-    } else {
-        prefixeSize = 0;
-    }

    //由于rtmp/hls/mp4需要缓存时间戳相同的帧，
    //所以使用FrameNoCacheAble类型的帧反而会在转换成FrameCacheAble时多次内存拷贝
@ -93,9 +85,8 @@ void DevChannel::inputH264(const char *data, int len, uint32_t dts, uint32_t pts
    H264Frame::Ptr frame = std::make_shared<H264Frame>();
    frame->_dts = dts;
    frame->_pts = pts;
-    frame->_buffer.assign("\x00\x00\x00\x01",4);
-    frame->_buffer.append(data + prefixeSize, len - prefixeSize);
-    frame->_prefix_size = 4;
+    frame->_buffer.assign(data, len);
+    frame->_prefix_size = prefixSize(data,len);
    inputFrame(frame);
 }

@ -106,14 +97,6 @@ void DevChannel::inputH265(const char *data, int len, uint32_t dts, uint32_t pts
    if(pts == 0){
        pts = dts;
    }
-    int prefixeSize;
-    if (memcmp("\x00\x00\x00\x01", data, 4) == 0) {
-        prefixeSize = 4;
-    } else if (memcmp("\x00\x00\x01", data, 3) == 0) {
-        prefixeSize = 3;
-    } else {
-        prefixeSize = 0;
-    }

    //由于rtmp/hls/mp4需要缓存时间戳相同的帧，
    //所以使用FrameNoCacheAble类型的帧反而会在转换成FrameCacheAble时多次内存拷贝
@ -121,9 +104,8 @@ void DevChannel::inputH265(const char *data, int len, uint32_t dts, uint32_t pts
    H265Frame::Ptr frame = std::make_shared<H265Frame>();
    frame->_dts = dts;
    frame->_pts = pts;
-    frame->_buffer.assign("\x00\x00\x00\x01",4);
-    frame->_buffer.append(data + prefixeSize, len - prefixeSize);
-    frame->_prefix_size = 4;
+    frame->_buffer.assign(data, len);
+    frame->_prefix_size = prefixSize(data,len);
    inputFrame(frame);
 }

@ -163,7 +145,9 @@ void DevChannel::inputG711(const char *data, int len, uint32_t dts){
    if (dts == 0) {
        dts = (uint32_t)_aTicker[1].elapsedTime();
    }
-    inputFrame(std::make_shared<G711FrameNoCacheAble>(_audio->codecId, (char*)data, len, dts, 0));
+    auto frame = std::make_shared<G711FrameNoCacheAble>((char*)data, len, dts, 0);
+    frame->setCodec(_audio->codecId);
+    inputFrame(frame);
 }

 void DevChannel::initVideo(const VideoInfo &info) {
--- a/src/Common/MediaSource.cpp
+++ b/src/Common/MediaSource.cpp
@ -180,9 +180,8 @@ static void eraseIfEmpty(MAP &map, IT0 it0, IT1 it1, IT2 it2) {
    }
 };

-void findAsync_l(const MediaInfo &info, const std::shared_ptr<TcpSession> &session, bool retry,
-                 const function<void(const MediaSource::Ptr &src)> &cb){
-    auto src = MediaSource::find(info._schema, info._vhost, info._app, info._streamid, true);
+void MediaSource::findAsync_l(const MediaInfo &info, const std::shared_ptr<TcpSession> &session, bool retry, const function<void(const MediaSource::Ptr &src)> &cb){
+    auto src = MediaSource::find_l(info._schema, info._vhost, info._app, info._streamid, true);
    if(src || !retry){
        cb(src);
        return;
@ -248,7 +247,11 @@ void MediaSource::findAsync(const MediaInfo &info, const std::shared_ptr<TcpSess
    return findAsync_l(info, session, true, cb);
 }

-MediaSource::Ptr MediaSource::find(const string &schema, const string &vhost_tmp, const string &app, const string &id, bool bMake) {
+MediaSource::Ptr MediaSource::find(const string &schema, const string &vhost, const string &app, const string &id) {
+    return find_l(schema, vhost, app, id, false);
+}
+
+MediaSource::Ptr MediaSource::find_l(const string &schema, const string &vhost_tmp, const string &app, const string &id, bool bMake) {
    string vhost = vhost_tmp;
    if(vhost.empty()){
        vhost = DEFAULT_VHOST;
@ -419,12 +422,10 @@ void MediaSourceEvent::onNoneReader(MediaSource &sender){

    //如果mp4点播, 无人观看时我们强制关闭点播
    bool is_mp4_vod = sender.getApp() == recordApp;
-    //无人观看mp4点播时，3秒后自动关闭
-    auto close_delay = is_mp4_vod ? 3.0 : stream_none_reader_delay / 1000.0;

    //没有任何人观看该视频源，表明该源可以关闭了
    weak_ptr<MediaSource> weakSender = sender.shared_from_this();
-    _async_close_timer = std::make_shared<Timer>(close_delay, [weakSender,is_mp4_vod]() {
+    _async_close_timer = std::make_shared<Timer>(stream_none_reader_delay / 1000.0, [weakSender,is_mp4_vod]() {
        auto strongSender = weakSender.lock();
        if (!strongSender) {
            //对象已经销毁
@ -467,7 +468,7 @@ MediaSource::Ptr MediaSource::createFromMP4(const string &schema, const string &
    try {
        MP4Reader::Ptr pReader(new MP4Reader(vhost, app, stream, filePath));
        pReader->startReadMP4();
-        return MediaSource::find(schema, vhost, app, stream, false);
+        return MediaSource::find(schema, vhost, app, stream);
    } catch (std::exception &ex) {
        WarnL << ex.what();
        return nullptr;
@ -478,24 +479,19 @@ MediaSource::Ptr MediaSource::createFromMP4(const string &schema, const string &
 #endif //ENABLE_MP4
 }

-static bool isFlushAble_default(bool is_audio, uint32_t last_stamp, uint32_t new_stamp, int cache_size) {
-    if (new_stamp < last_stamp) {
-        //时间戳回退(可能seek中)
+static bool isFlushAble_default(bool is_video, uint32_t last_stamp, uint32_t new_stamp, int cache_size) {
+    if (new_stamp + 500 < last_stamp) {
+        //时间戳回退比较大(可能seek中)，由于rtp中时间戳是pts，是可能存在一定程度的回退的
        return true;
    }

-    if (!is_audio) {
-        //这是视频,时间戳发送变化或者缓存超过1024个
+    //时间戳发送变化或者缓存超过1024个,sendmsg接口一般最多只能发送1024个数据包
    return last_stamp != new_stamp || cache_size >= 1024;
 }

-    //这是音频,缓存超过100ms或者缓存个数超过10个
-    return new_stamp > last_stamp + 100 || cache_size > 10;
-}
-
-static bool isFlushAble_merge(bool is_audio, uint32_t last_stamp, uint32_t new_stamp, int cache_size, int merge_ms) {
-    if (new_stamp < last_stamp) {
-        //时间戳回退(可能seek中)
+static bool isFlushAble_merge(bool is_video, uint32_t last_stamp, uint32_t new_stamp, int cache_size, int merge_ms) {
+    if (new_stamp + 500 < last_stamp) {
+        //时间戳回退比较大(可能seek中)，由于rtp中时间戳是pts，是可能存在一定程度的回退的
        return true;
    }

@ -504,31 +500,30 @@ static bool isFlushAble_merge(bool is_audio, uint32_t last_stamp, uint32_t new_s
        return true;
    }

-    if (!is_audio) {
-        //这是视频,缓存数超过1024个,这个逻辑用于避免时间戳异常的流导致的内存暴增问题
+    //缓存数超过1024个,这个逻辑用于避免时间戳异常的流导致的内存暴增问题
    //而且sendmsg接口一般最多只能发送1024个数据包
    return cache_size >= 1024;
 }

-    //这是音频，音频缓存超过20个
-    return cache_size > 20;
-}
-
-bool FlushPolicy::isFlushAble(uint32_t new_stamp, int cache_size) {
-    bool ret = false;
+bool FlushPolicy::isFlushAble(bool is_video, bool is_key, uint32_t new_stamp, int cache_size) {
+    bool flush_flag = false;
+    if (is_key && is_video) {
+        //遇到关键帧flush掉前面的数据，确保关键帧为该组数据的第一帧，确保GOP缓存有效
+        flush_flag = true;
+    } else {
        GET_CONFIG(int, mergeWriteMS, General::kMergeWriteMS);
        if (mergeWriteMS <= 0) {
            //关闭了合并写或者合并写阈值小于等于0
-        ret = isFlushAble_default(_is_audio, _last_stamp, new_stamp, cache_size);
+            flush_flag = isFlushAble_default(is_video, _last_stamp[is_video], new_stamp, cache_size);
        } else {
-        ret = isFlushAble_merge(_is_audio, _last_stamp, new_stamp, cache_size, mergeWriteMS);
+            flush_flag = isFlushAble_merge(is_video, _last_stamp[is_video], new_stamp, cache_size, mergeWriteMS);
+        }
    }

-    if (ret) {
-//        DebugL << _is_audio << " " << _last_stamp  << " " << new_stamp;
-        _last_stamp = new_stamp;
+    if (flush_flag) {
+        _last_stamp[is_video] = new_stamp;
    }
-    return ret;
+    return flush_flag;
 }

 } /* namespace mediakit */
--- a/src/Common/MediaSource.h
+++ b/src/Common/MediaSource.h
@ -134,7 +134,7 @@ public:
    virtual bool isRecording(Recorder::type type);

    // 同步查找流
-    static Ptr find(const string &schema, const string &vhost, const string &app, const string &id, bool bMake = true) ;
+    static Ptr find(const string &schema, const string &vhost, const string &app, const string &id);
    // 异步查找流
    static void findAsync(const MediaInfo &info, const std::shared_ptr<TcpSession> &session, const function<void(const Ptr &src)> &cb);
    // 遍历所有流
@ -142,9 +142,14 @@ public:

    // 从mp4文件生成MediaSource
    static MediaSource::Ptr createFromMP4(const string &schema, const string &vhost, const string &app, const string &stream, const string &filePath = "", bool checkApp = true);
+
 protected:
    void regist() ;
    bool unregist();
+
+private:
+    static Ptr find_l(const string &schema, const string &vhost, const string &app, const string &id, bool bMake);
+    static void findAsync_l(const MediaInfo &info, const std::shared_ptr<TcpSession> &session, bool retry, const function<void(const MediaSource::Ptr &src)> &cb);
 private:
    string _strSchema;
    string _strVhost;
@ -159,10 +164,7 @@ private:
 ///缓存刷新策略类
 class FlushPolicy {
 public:
-    FlushPolicy(bool is_audio) {
-        _is_audio = is_audio;
-    };
-
+    FlushPolicy() = default;
    ~FlushPolicy() = default;

    uint32_t getStamp(const RtpPacket::Ptr &packet) {
@ -173,45 +175,45 @@ public:
        return packet->timeStamp;
    }

-    bool isFlushAble(uint32_t new_stamp, int cache_size);
+    bool isFlushAble(bool is_video, bool is_key, uint32_t new_stamp, int cache_size);
+
 private:
-    bool _is_audio;
-    uint32_t _last_stamp= 0;
+    uint32_t _last_stamp[2] = {0, 0};
 };

-/// 视频合并写缓存模板
+/// 合并写缓存模板
 /// \tparam packet 包类型
 /// \tparam policy 刷新缓存策略
 /// \tparam packet_list 包缓存类型
 template<typename packet, typename policy = FlushPolicy, typename packet_list = List<std::shared_ptr<packet> > >
-class VideoPacketCache {
+class PacketCache {
 public:
-    VideoPacketCache() : _policy(false) {
+    PacketCache(){
        _cache = std::make_shared<packet_list>();
    }

-    virtual ~VideoPacketCache() = default;
+    virtual ~PacketCache() = default;

-    void inputVideo(const std::shared_ptr<packet> &rtp, bool key_pos) {
-        if (_policy.isFlushAble(_policy.getStamp(rtp), _cache->size())) {
+    void inputPacket(bool is_video, const std::shared_ptr<packet> &pkt, bool key_pos) {
+        if (_policy.isFlushAble(is_video, key_pos, _policy.getStamp(pkt), _cache->size())) {
            flushAll();
        }

        //追加数据到最后
-        _cache->emplace_back(rtp);
+        _cache->emplace_back(pkt);
        if (key_pos) {
            _key_pos = key_pos;
        }
    }

-    virtual void onFlushVideo(std::shared_ptr<packet_list> &, bool key_pos) = 0;
+    virtual void onFlush(std::shared_ptr<packet_list> &, bool key_pos) = 0;

 private:
    void flushAll() {
        if (_cache->empty()) {
            return;
        }
-        onFlushVideo(_cache, _key_pos);
+        onFlush(_cache, _key_pos);
        _cache = std::make_shared<packet_list>();
        _key_pos = false;
    }
@ -222,44 +224,5 @@ private:
    bool _key_pos = false;
 };

-/// 音频频合并写缓存模板
-/// \tparam packet 包类型
-/// \tparam policy 刷新缓存策略
-/// \tparam packet_list 包缓存类型
-template<typename packet, typename policy = FlushPolicy, typename packet_list = List<std::shared_ptr<packet> > >
-class AudioPacketCache {
-public:
-    AudioPacketCache() : _policy(true) {
-        _cache = std::make_shared<packet_list>();
-    }
-
-    virtual ~AudioPacketCache() = default;
-
-    void inputAudio(const std::shared_ptr<packet> &rtp) {
-        if (_policy.isFlushAble(_policy.getStamp(rtp), _cache->size())) {
-            flushAll();
-        }
-        //追加数据到最后
-        _cache->emplace_back(rtp);
-    }
-
-    virtual void onFlushAudio(std::shared_ptr<packet_list> &) = 0;
-
-private:
-    void flushAll() {
-        if (_cache->empty()) {
-            return;
-        }
-        onFlushAudio(_cache);
-        _cache = std::make_shared<packet_list>();
-    }
-
-private:
-    policy _policy;
-    std::shared_ptr<packet_list> _cache;
-};
-
 } /* namespace mediakit */
-
-
 #endif //ZLMEDIAKIT_MEDIASOURCE_H
--- a/src/Common/MultiMediaSourceMuxer.cpp
+++ b/src/Common/MultiMediaSourceMuxer.cpp
@ -298,8 +298,69 @@ void MultiMediaSourceMuxer::resetTracks() {
    _muxer->resetTracks();
 }

+//该类实现frame级别的时间戳覆盖
+class FrameModifyStamp : public Frame{
+public:
+    typedef std::shared_ptr<FrameModifyStamp> Ptr;
+    FrameModifyStamp(const Frame::Ptr &frame, Stamp &stamp){
+        _frame = frame;
+        //覆盖时间戳
+        stamp.revise(frame->dts(), frame->pts(), _dts, _pts, true);
+    }
+    ~FrameModifyStamp() override {}
+
+    uint32_t dts() const override{
+        return _dts;
+    }
+
+    uint32_t pts() const override{
+        return _pts;
+    }
+
+    uint32_t prefixSize() const override {
+        return _frame->prefixSize();
+    }
+
+    bool keyFrame() const override {
+        return _frame->keyFrame();
+    }
+
+    bool configFrame() const override {
+        return _frame->configFrame();
+    }
+
+    bool cacheAble() const override {
+        return _frame->cacheAble();
+    }
+
+    char *data() const override {
+        return _frame->data();
+    }
+
+    uint32_t size() const override {
+        return _frame->size();
+    }
+
+    CodecId getCodecId() const override {
+        return _frame->getCodecId();
+    }
+private:
+    Frame::Ptr _frame;
+    int64_t _dts;
+    int64_t _pts;
+};
+
 void MultiMediaSourceMuxer::inputFrame(const Frame::Ptr &frame) {
+    GET_CONFIG(bool,modify_stamp,General::kModifyStamp);
+    if(!modify_stamp){
+        //未开启时间戳覆盖
        _muxer->inputFrame(frame);
+    }else{
+        //开启了时间戳覆盖
+        FrameModifyStamp::Ptr new_frame = std::make_shared<FrameModifyStamp>(frame,_stamp[frame->getTrackType()]);
+        //输入时间戳覆盖后的帧
+        _muxer->inputFrame(new_frame);
+    }
 }

 bool MultiMediaSourceMuxer::isEnabled(){
--- a/src/Common/MultiMediaSourceMuxer.h
+++ b/src/Common/MultiMediaSourceMuxer.h
@ -178,6 +178,7 @@ public:
 private:
    MultiMuxerPrivate::Ptr _muxer;
    std::weak_ptr<MediaSourceEvent> _listener;
+    Stamp _stamp[2];
 };

 }//namespace mediakit
--- a/src/Common/config.cpp
+++ b/src/Common/config.cpp
@ -67,6 +67,7 @@ const string kPublishToRtxp = GENERAL_FIELD"publishToRtxp";
 const string kPublishToHls = GENERAL_FIELD"publishToHls";
 const string kPublishToMP4 = GENERAL_FIELD"publishToMP4";
 const string kMergeWriteMS = GENERAL_FIELD"mergeWriteMS";
+const string kModifyStamp = GENERAL_FIELD"modifyStamp";

 onceToken token([](){
    mINI::Instance()[kFlowThreshold] = 1024;
@ -79,6 +80,7 @@ onceToken token([](){
    mINI::Instance()[kPublishToHls] = 1;
    mINI::Instance()[kPublishToMP4] = 0;
    mINI::Instance()[kMergeWriteMS] = 0;
+    mINI::Instance()[kModifyStamp] = 0;
 },nullptr);

 }//namespace General
@ -293,3 +295,10 @@ const string kBenchmarkMode = "benchmark_mode";
 }  // namespace mediakit


+void Assert_Throw(int failed, const char *exp, const char *func, const char *file, int line){
+    if(failed) {
+        _StrPrinter printer;
+        printer << "Assertion failed: (" << exp << "), function " << func << ", file " << file << ", line " << line << ".";
+        throw std::runtime_error(printer);
+    }
+}
--- a/src/Common/config.h
+++ b/src/Common/config.h
@ -174,6 +174,8 @@ extern const string kPublishToMP4 ;
 //合并写缓存大小(单位毫秒)，合并写指服务器缓存一定的数据后才会一次性写入socket，这样能提高性能，但是会提高延时
 //开启后会同时关闭TCP_NODELAY并开启MSG_MORE
 extern const string kMergeWriteMS ;
+//全局的时间戳覆盖开关，在转协议时，对frame进行时间戳覆盖
+extern const string kModifyStamp;
 }//namespace General


@ -217,6 +219,7 @@ extern const string kDirectProxy;

 ////////////RTMP服务器配置///////////
 namespace Rtmp {
+//rtmp推流时间戳覆盖开关
 extern const string kModifyStamp;
 //握手超时时间，默认15秒
 extern const string kHandshakeSecond;
--- a/src/Extension/AAC.cpp
+++ b/src/Extension/AAC.cpp
@ -9,65 +9,63 @@
 */

 #include "AAC.h"
+#ifdef ENABLE_MP4
+#include "mpeg4-aac.h"
+#endif

 namespace mediakit{

-void writeAdtsHeader(const AACFrame &hed, uint8_t *pcAdts) {
-    pcAdts[0] = (hed.syncword >> 4 & 0xFF); //8bit
-    pcAdts[1] = (hed.syncword << 4 & 0xF0); //4 bit
-    pcAdts[1] |= (hed.id << 3 & 0x08); //1 bit
-    pcAdts[1] |= (hed.layer << 1 & 0x06); //2bit
-    pcAdts[1] |= (hed.protection_absent & 0x01); //1 bit
+unsigned const samplingFrequencyTable[16] = { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0 };

-    pcAdts[2] = (hed.profile << 6 & 0xC0); // 2 bit
-    pcAdts[2] |= (hed.sf_index << 2 & 0x3C); //4bit
-    pcAdts[2] |= (hed.private_bit << 1 & 0x02); //1 bit
-    pcAdts[2] |= (hed.channel_configuration >> 2 & 0x03); //1 bit
+class AdtsHeader{
+public:
+    unsigned int syncword = 0; //12 bslbf 同步字The bit string ‘1111 1111 1111’，说明一个ADTS帧的开始
+    unsigned int id;        //1 bslbf   MPEG 标示符, 设置为1
+    unsigned int layer;    //2 uimsbf Indicates which layer is used. Set to ‘00’
+    unsigned int protection_absent;  //1 bslbf  表示是否误码校验
+    unsigned int profile; //2 uimsbf  表示使用哪个级别的AAC，如01 Low Complexity(LC)--- AACLC
+    unsigned int sf_index;           //4 uimsbf  表示使用的采样率下标
+    unsigned int private_bit;        //1 bslbf
+    unsigned int channel_configuration;  //3 uimsbf  表示声道数
+    unsigned int original;               //1 bslbf
+    unsigned int home;                   //1 bslbf
+    //下面的为改变的参数即每一帧都不同
+    unsigned int copyright_identification_bit;   //1 bslbf
+    unsigned int copyright_identification_start; //1 bslbf
+    unsigned int aac_frame_length; // 13 bslbf  一个ADTS帧的长度包括ADTS头和raw data block
+    unsigned int adts_buffer_fullness;           //11 bslbf     0x7FF 说明是码率可变的码流
+    //no_raw_data_blocks_in_frame 表示ADTS帧中有number_of_raw_data_blocks_in_frame + 1个AAC原始帧.
+    //所以说number_of_raw_data_blocks_in_frame == 0
+    //表示说ADTS帧中有一个AAC数据块并不是说没有。(一个AAC原始帧包含一段时间内1024个采样及相关数据)
+    unsigned int no_raw_data_blocks_in_frame;    //2 uimsfb
+};

-    pcAdts[3] = (hed.channel_configuration << 6 & 0xC0);  // 2 bit
-    pcAdts[3] |= (hed.original << 5 & 0x20);				//1 bit
-    pcAdts[3] |= (hed.home << 4 & 0x10);				//1 bit
-    pcAdts[3] |= (hed.copyright_identification_bit << 3 & 0x08);			//1 bit
-    pcAdts[3] |= (hed.copyright_identification_start << 2 & 0x04);		//1 bit
-    pcAdts[3] |= (hed.aac_frame_length >> 11 & 0x03);				//2 bit
-
-    pcAdts[4] = (hed.aac_frame_length >> 3 & 0xFF);				//8 bit
-
-    pcAdts[5] = (hed.aac_frame_length << 5 & 0xE0);				//3 bit
-    pcAdts[5] |= (hed.adts_buffer_fullness >> 6 & 0x1F);				//5 bit
-
-    pcAdts[6] = (hed.adts_buffer_fullness << 2 & 0xFC);				//6 bit
-    pcAdts[6] |= (hed.no_raw_data_blocks_in_frame & 0x03);				//2 bit
-}
-string 	makeAdtsConfig(const uint8_t *pcAdts){
-    if (!(pcAdts[0] == 0xFF && (pcAdts[1] & 0xF0) == 0xF0)) {
-        return "";
-    }
-    // Get and check the 'profile':
-    unsigned char profile = (pcAdts[2] & 0xC0) >> 6; // 2 bits
-    if (profile == 3) {
-        return "";
+static void dumpAdtsHeader(const AdtsHeader &hed, uint8_t *out) {
+    out[0] = (hed.syncword >> 4 & 0xFF); //8bit
+    out[1] = (hed.syncword << 4 & 0xF0); //4 bit
+    out[1] |= (hed.id << 3 & 0x08); //1 bit
+    out[1] |= (hed.layer << 1 & 0x06); //2bit
+    out[1] |= (hed.protection_absent & 0x01); //1 bit
+    out[2] = (hed.profile << 6 & 0xC0); // 2 bit
+    out[2] |= (hed.sf_index << 2 & 0x3C); //4bit
+    out[2] |= (hed.private_bit << 1 & 0x02); //1 bit
+    out[2] |= (hed.channel_configuration >> 2 & 0x03); //1 bit
+    out[3] = (hed.channel_configuration << 6 & 0xC0);  // 2 bit
+    out[3] |= (hed.original << 5 & 0x20);				//1 bit
+    out[3] |= (hed.home << 4 & 0x10);				//1 bit
+    out[3] |= (hed.copyright_identification_bit << 3 & 0x08);			//1 bit
+    out[3] |= (hed.copyright_identification_start << 2 & 0x04);		//1 bit
+    out[3] |= (hed.aac_frame_length >> 11 & 0x03);				//2 bit
+    out[4] = (hed.aac_frame_length >> 3 & 0xFF);				//8 bit
+    out[5] = (hed.aac_frame_length << 5 & 0xE0);				//3 bit
+    out[5] |= (hed.adts_buffer_fullness >> 6 & 0x1F);				//5 bit
+    out[6] = (hed.adts_buffer_fullness << 2 & 0xFC);				//6 bit
+    out[6] |= (hed.no_raw_data_blocks_in_frame & 0x03);				//2 bit
 }

-    // Get and check the 'sampling_frequency_index':
-    unsigned char sampling_frequency_index = (pcAdts[2] & 0x3C) >> 2; // 4 bits
-    if (samplingFrequencyTable[sampling_frequency_index] == 0) {
-        return "";
-    }
-
-    // Get and check the 'channel_configuration':
-    unsigned char channel_configuration = ((pcAdts[2] & 0x01) << 2)
-                                          | ((pcAdts[3] & 0xC0) >> 6); // 3 bits
-
-    unsigned char audioSpecificConfig[2];
-    unsigned char const audioObjectType = profile + 1;
-    audioSpecificConfig[0] = (audioObjectType << 3) | (sampling_frequency_index >> 1);
-    audioSpecificConfig[1] = (sampling_frequency_index << 7) | (channel_configuration << 3);
-    return string((char *)audioSpecificConfig,2);
-}
-void makeAdtsHeader(const string &strAudioCfg,AACFrame &adts) {
-    uint8_t cfg1 = strAudioCfg[0];
-    uint8_t cfg2 = strAudioCfg[1];
+static void parseAacConfig(const string &config, AdtsHeader &adts) {
+    uint8_t cfg1 = config[0];
+    uint8_t cfg2 = config[1];

    int audioObjectType;
    int sampling_frequency_index;
@ -93,9 +91,83 @@ void makeAdtsHeader(const string &strAudioCfg,AACFrame &adts) {
    adts.adts_buffer_fullness = 2047;
    adts.no_raw_data_blocks_in_frame = 0;
 }
-void getAACInfo(const AACFrame &adts,int &iSampleRate,int &iChannel){
-    iSampleRate = samplingFrequencyTable[adts.sf_index];
-    iChannel = adts.channel_configuration;
+
+string makeAacConfig(const uint8_t *hex, int length){
+#ifndef ENABLE_MP4
+    if (!(hex[0] == 0xFF && (hex[1] & 0xF0) == 0xF0)) {
+        return "";
+    }
+    // Get and check the 'profile':
+    unsigned char profile = (hex[2] & 0xC0) >> 6; // 2 bits
+    if (profile == 3) {
+        return "";
+    }
+
+    // Get and check the 'sampling_frequency_index':
+    unsigned char sampling_frequency_index = (hex[2] & 0x3C) >> 2; // 4 bits
+    if (samplingFrequencyTable[sampling_frequency_index] == 0) {
+        return "";
+    }
+
+    // Get and check the 'channel_configuration':
+    unsigned char channel_configuration = ((hex[2] & 0x01) << 2) | ((hex[3] & 0xC0) >> 6); // 3 bits
+    unsigned char audioSpecificConfig[2];
+    unsigned char const audioObjectType = profile + 1;
+    audioSpecificConfig[0] = (audioObjectType << 3) | (sampling_frequency_index >> 1);
+    audioSpecificConfig[1] = (sampling_frequency_index << 7) | (channel_configuration << 3);
+    return string((char *)audioSpecificConfig,2);
+#else
+    struct mpeg4_aac_t aac = {0};
+    if (mpeg4_aac_adts_load(hex, length, &aac) > 0) {
+        char buf[32] = {0};
+        int len = mpeg4_aac_audio_specific_config_save(&aac, (uint8_t *) buf, sizeof(buf));
+        if (len > 0) {
+            return string(buf, len);
+        }
+    }
+    WarnL << "生成aac config失败, adts header:" << hexdump(hex, length);
+    return "";
+#endif
+}
+
+int dumpAacConfig(const string &config, int length, uint8_t *out, int out_size) {
+#ifndef ENABLE_MP4
+    AdtsHeader header;
+    parseAacConfig(config, header);
+    header.aac_frame_length = length;
+    dumpAdtsHeader(header, out);
+    return ADTS_HEADER_LEN;
+#else
+    struct mpeg4_aac_t aac = {0};
+    int ret = mpeg4_aac_audio_specific_config_load((uint8_t *) config.data(), config.size(), &aac);
+    if (ret > 0) {
+        ret = mpeg4_aac_adts_save(&aac, length, out, out_size);
+    }
+    if (ret < 0) {
+        WarnL << "生成adts头失败:" << ret << ", aac config:" << hexdump(config.data(), config.size());
+    }
+    return ret;
+#endif
+}
+
+bool parseAacConfig(const string &config, int &samplerate, int &channels){
+#ifndef ENABLE_MP4
+    AdtsHeader header;
+    parseAacConfig(config, header);
+    samplerate = samplingFrequencyTable[header.sf_index];
+    channels = header.channel_configuration;
+    return true;
+#else
+    struct mpeg4_aac_t aac = {0};
+    int ret = mpeg4_aac_audio_specific_config_load((uint8_t *) config.data(), config.size(), &aac);
+    if (ret > 0) {
+        samplerate = aac.sampling_frequency;
+        channels = aac.channels;
+        return true;
+    }
+    WarnL << "获取aac采样率、声道数失败:" << hexdump(config.data(), config.size());
+    return false;
+#endif
 }

 Sdp::Ptr AACTrack::getSdp() {
@ -103,9 +175,7 @@ Sdp::Ptr AACTrack::getSdp() {
        WarnL << getCodecName() << " Track未准备好";
        return nullptr;
    }
-    return std::make_shared<AACSdp>(getAacCfg(),getAudioSampleRate());
+    return std::make_shared<AACSdp>(getAacCfg(),getAudioSampleRate(), getAudioChannel());
 }

 }//namespace mediakit
-
-
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@ -13,98 +13,34 @@

 #include "Frame.h"
 #include "Track.h"
+#define ADTS_HEADER_LEN 7

 namespace mediakit{

-class AACFrame;
-
-unsigned const samplingFrequencyTable[16] = { 96000, 88200,
-                                              64000, 48000,
-                                              44100, 32000,
-                                              24000, 22050,
-                                              16000, 12000,
-                                              11025, 8000,
-                                              7350, 0, 0, 0 };
-
-void	makeAdtsHeader(const string &strAudioCfg,AACFrame &adts);
-void 	writeAdtsHeader(const AACFrame &adts, uint8_t *pcAdts) ;
-string 	makeAdtsConfig(const uint8_t *pcAdts);
-void 	getAACInfo(const AACFrame &adts,int &iSampleRate,int &iChannel);
-
+string makeAacConfig(const uint8_t *hex, int length);
+int dumpAacConfig(const string &config, int length, uint8_t *out, int out_size);
+bool parseAacConfig(const string &config, int &samplerate, int &channels);

 /**
 * aac帧，包含adts头
 */
-class AACFrame : public Frame {
+class AACFrame : public FrameImp {
 public:
    typedef std::shared_ptr<AACFrame> Ptr;
-
-    char *data() const override{
-        return (char *)buffer;
+    AACFrame(){
+        _codecid = CodecAAC;
    }
-    uint32_t size() const override {
-        return aac_frame_length;
-    }
-    uint32_t dts() const override {
-        return timeStamp;
-    }
-    uint32_t prefixSize() const override{
-        return iPrefixSize;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
-    CodecId getCodecId() const override{
-        return CodecAAC;
-    }
-
-    bool keyFrame() const override {
-        return false;
-    }
-
-    bool configFrame() const override{
-        return false;
-    }
-public:
-    unsigned int syncword = 0; //12 bslbf 同步字The bit string ‘1111 1111 1111’，说明一个ADTS帧的开始
-    unsigned int id;        //1 bslbf   MPEG 标示符, 设置为1
-    unsigned int layer;    //2 uimsbf Indicates which layer is used. Set to ‘00’
-    unsigned int protection_absent;  //1 bslbf  表示是否误码校验
-    unsigned int profile; //2 uimsbf  表示使用哪个级别的AAC，如01 Low Complexity(LC)--- AACLC
-    unsigned int sf_index;           //4 uimsbf  表示使用的采样率下标
-    unsigned int private_bit;        //1 bslbf
-    unsigned int channel_configuration;  //3 uimsbf  表示声道数
-    unsigned int original;               //1 bslbf
-    unsigned int home;                   //1 bslbf
-    //下面的为改变的参数即每一帧都不同
-    unsigned int copyright_identification_bit;   //1 bslbf
-    unsigned int copyright_identification_start; //1 bslbf
-    unsigned int aac_frame_length; // 13 bslbf  一个ADTS帧的长度包括ADTS头和raw data block
-    unsigned int adts_buffer_fullness;           //11 bslbf     0x7FF 说明是码率可变的码流
-//no_raw_data_blocks_in_frame 表示ADTS帧中有number_of_raw_data_blocks_in_frame + 1个AAC原始帧.
-//所以说number_of_raw_data_blocks_in_frame == 0
-//表示说ADTS帧中有一个AAC数据块并不是说没有。(一个AAC原始帧包含一段时间内1024个采样及相关数据)
-    unsigned int no_raw_data_blocks_in_frame;    //2 uimsfb
-    unsigned char buffer[2 * 1024 + 7];
-    uint32_t timeStamp;
-    uint32_t iPrefixSize = 7;
 };

-class AACFrameNoCacheAble : public FrameNoCacheAble {
+class AACFrameNoCacheAble : public FrameFromPtr {
 public:
    typedef std::shared_ptr<AACFrameNoCacheAble> Ptr;

-    AACFrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts,uint32_t pts = 0,int prefixeSize = 7){
+    AACFrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts,uint32_t pts = 0,int prefix_size = ADTS_HEADER_LEN){
        _ptr = ptr;
        _size = size;
        _dts = dts;
-        _prefixSize = prefixeSize;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackAudio;
+        _prefix_size = prefix_size;
    }

    CodecId getCodecId() const override{
@ -120,7 +56,6 @@ public:
    }
 };

-
 /**
 * aac音频通道
 */
@ -136,44 +71,25 @@ public:

    /**
     * 构造aac类型的媒体
-     * @param aac_cfg aac两个字节的配置信息
+     * @param aac_cfg aac配置信息
     */
    AACTrack(const string &aac_cfg){
+        setAacCfg(aac_cfg);
+    }
+
+    /**
+     * 设置aac 配置信息
+     */
+    void setAacCfg(const string &aac_cfg){
        if (aac_cfg.size() < 2) {
            throw std::invalid_argument("adts配置必须最少2个字节");
        }
-        _cfg = aac_cfg.substr(0,2);
+        _cfg = aac_cfg;
        onReady();
    }

    /**
-     * 构造aac类型的媒体
-     * @param adts_header adts头，7个字节
-     * @param adts_header_len adts头长度，不少于7个字节
-     */
-    AACTrack(const char *adts_header,int adts_header_len = 7){
-        if(adts_header_len < 7){
-            throw std::invalid_argument("adts头必须不少于7个字节");
-        }
-        _cfg = makeAdtsConfig((uint8_t*)adts_header);
-        onReady();
-    }
-
-    /**
-     * 构造aac类型的媒体
-     * @param aac_frame_with_adts 带adts头的aac帧
-     */
-    AACTrack(const Frame::Ptr &aac_frame_with_adts){
-        if(aac_frame_with_adts->getCodecId() != CodecAAC || aac_frame_with_adts->prefixSize() < 7){
-            throw std::invalid_argument("必须输入带adts头的aac帧");
-        }
-        _cfg = makeAdtsConfig((uint8_t*)aac_frame_with_adts->data());
-        onReady();
-    }
-
-    /**
-     * 获取aac两个字节的配置
-     * @return
+     * 获取aac 配置信息
     */
    const string &getAacCfg() const{
        return _cfg;
@ -181,7 +97,6 @@ public:

    /**
     * 返回编码类型
-     * @return
     */
    CodecId getCodecId() const override{
        return CodecAAC;
@ -189,30 +104,27 @@ public:

    /**
     * 在获取aac_cfg前是无效的Track
-     * @return
     */
    bool ready() override {
        return !_cfg.empty();
    }

-
    /**
     * 返回音频采样率
-    * @return
     */
    int getAudioSampleRate() const override{
        return _sampleRate;
    }
+
    /**
     * 返回音频采样位数，一般为16或8
-     * @return
     */
    int getAudioSampleBit() const override{
        return _sampleBit;
    }
+
    /**
     * 返回音频通道数
-     * @return
     */
    int getAudioChannel() const override{
        return _channel;
@ -225,9 +137,9 @@ public:
    void inputFrame(const Frame::Ptr &frame) override{
        if (_cfg.empty()) {
            //未获取到aac_cfg信息
-            if (frame->prefixSize() >= 7) {
+            if (frame->prefixSize()) {
                //7个字节的adts头
-                _cfg = makeAdtsConfig((uint8_t *)(frame->data()));
+                _cfg = makeAacConfig((uint8_t *) (frame->data()), frame->prefixSize());
                onReady();
            } else {
                WarnL << "无法获取adts头!";
@ -243,10 +155,9 @@ private:
        if (_cfg.size() < 2) {
            return;
        }
-        AACFrame aacFrame;
-        makeAdtsHeader(_cfg,aacFrame);
-        getAACInfo(aacFrame,_sampleRate,_channel);
+        parseAacConfig(_cfg, _sampleRate, _channel);
    }
+
    Track::Ptr clone() override {
        return std::make_shared<std::remove_reference<decltype(*this)>::type >(*this);
    }
@ -260,43 +171,42 @@ private:
    int _channel = 0;
 };

-
 /**
 * aac类型SDP
 */
 class AACSdp : public Sdp {
 public:
-
    /**
-     *
+     * 构造函数
     * @param aac_cfg aac两个字节的配置描述
     * @param sample_rate 音频采样率
-     * @param playload_type rtp playload type 默认98
+     * @param payload_type rtp payload type 默认98
     * @param bitrate 比特率
     */
    AACSdp(const string &aac_cfg,
           int sample_rate,
-           int playload_type = 98,
-           int bitrate = 128) : Sdp(sample_rate,playload_type){
-        _printer << "m=audio 0 RTP/AVP " << playload_type << "\r\n";
+           int channels,
+           int payload_type = 98,
+           int bitrate = 128) : Sdp(sample_rate,payload_type){
+        _printer << "m=audio 0 RTP/AVP " << payload_type << "\r\n";
        _printer << "b=AS:" << bitrate << "\r\n";
-        _printer << "a=rtpmap:" << playload_type << " MPEG4-GENERIC/" << sample_rate << "\r\n";
+        _printer << "a=rtpmap:" << payload_type << " MPEG4-GENERIC/" << sample_rate << "/" << channels << "\r\n";

-        char configStr[32] = {0};
-        snprintf(configStr, sizeof(configStr), "%02X%02X", (uint8_t)aac_cfg[0], (uint8_t)aac_cfg[1]);
-        _printer << "a=fmtp:" << playload_type << " streamtype=5;profile-level-id=1;mode=AAC-hbr;"
-                 << "sizelength=13;indexlength=3;indexdeltalength=3;config="
-                 << configStr << "\r\n";
-        _printer << "a=control:trackID=" << getTrackType() << "\r\n";
+        string configStr;
+        char buf[4] = {0};
+        for(auto &ch : aac_cfg){
+            snprintf(buf, sizeof(buf), "%02X", (uint8_t)ch);
+            configStr.append(buf);
+        }
+        _printer << "a=fmtp:" << payload_type << " streamtype=5;profile-level-id=1;mode=AAC-hbr;"
+                 << "sizelength=13;indexlength=3;indexdeltalength=3;config=" << configStr << "\r\n";
+        _printer << "a=control:trackID=" << (int)TrackAudio << "\r\n";
    }

    string getSdp() const override {
        return _printer;
    }

-    TrackType getTrackType() const override {
-        return TrackAudio;
-    }
    CodecId getCodecId() const override {
        return CodecAAC;
    }
@ -305,6 +215,4 @@ private:
 };

 }//namespace mediakit
-
-
 #endif //ZLMEDIAKIT_AAC_H
--- a/src/Extension/AACRtmp.cpp
+++ b/src/Extension/AACRtmp.cpp
@ -13,18 +13,6 @@

 namespace mediakit{

-AACRtmpDecoder::AACRtmpDecoder() {
-    _adts = obtainFrame();
-}
-
-AACFrame::Ptr AACRtmpDecoder::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<AACFrame>::obtainObj();
-    frame->aac_frame_length = 7;
-    frame->iPrefixSize = 7;
-    return frame;
-}
-
 static string getAacCfg(const RtmpPacket &thiz) {
    string ret;
    if (thiz.getMediaType() != FLV_CODEC_AAC) {
@ -37,11 +25,11 @@ static string getAacCfg(const RtmpPacket &thiz) {
        WarnL << "bad aac cfg!";
        return ret;
    }
-    ret = thiz.strBuf.substr(2, 2);
+    ret = thiz.strBuf.substr(2);
    return ret;
 }

-bool AACRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool key_pos) {
+bool AACRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool) {
    if (pkt->isCfgFrame()) {
        _aac_cfg = getAacCfg(*pkt);
        return false;
@ -52,26 +40,28 @@ bool AACRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool key_pos) {
    return false;
 }

-void AACRtmpDecoder::onGetAAC(const char* pcData, int iLen, uint32_t ui32TimeStamp) {
-    if(iLen + 7 > sizeof(_adts->buffer)){
-        WarnL << "Illegal adts data, exceeding the length limit.";
-        return;
+void AACRtmpDecoder::onGetAAC(const char* data, int len, uint32_t stamp) {
+    auto frame = ResourcePoolHelper<AACFrame>::obtainObj();
+
+    //生成adts头
+    char adts_header[32] = {0};
+    auto size = dumpAacConfig(_aac_cfg, len, (uint8_t *) adts_header, sizeof(adts_header));
+    if (size > 0) {
+        frame->_buffer.assign(adts_header, size);
+        frame->_prefix_size = size;
+    } else {
+        frame->_buffer.clear();
+        frame->_prefix_size = 0;
    }
-    //写adts结构头
-    makeAdtsHeader(_aac_cfg,*_adts);

-    //拷贝aac负载
-    memcpy(_adts->buffer + 7, pcData, iLen);
-    _adts->aac_frame_length = 7 + iLen;
-    _adts->timeStamp = ui32TimeStamp;
-
-    //adts结构头转成头7个字节
-    writeAdtsHeader(*_adts, _adts->buffer);
+    //追加负载数据
+    frame->_buffer.append(data, len);
+    frame->_dts = stamp;

    //写入环形缓存
-    RtmpCodec::inputFrame(_adts);
-    _adts = obtainFrame();
+    RtmpCodec::inputFrame(frame);
 }
+
 /////////////////////////////////////////////////////////////////////////////////////

 AACRtmpEncoder::AACRtmpEncoder(const Track::Ptr &track) {
@ -91,9 +81,9 @@ void AACRtmpEncoder::makeConfigPacket() {

 void AACRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
    if (_aac_cfg.empty()) {
-        if (frame->prefixSize() >= 7) {
+        if (frame->prefixSize()) {
            //包含adts头,从adts头获取aac配置信息
-            _aac_cfg = makeAdtsConfig((uint8_t *)(frame->data()));
+            _aac_cfg = makeAacConfig((uint8_t *) (frame->data()), frame->prefixSize());
        }
        makeConfigPacket();
    }
--- a/src/Extension/AACRtmp.h
+++ b/src/Extension/AACRtmp.h
@ -23,7 +23,7 @@ class AACRtmpDecoder : public RtmpCodec , public ResourcePoolHelper<AACFrame> {
 public:
    typedef std::shared_ptr<AACRtmpDecoder> Ptr;

-    AACRtmpDecoder();
+    AACRtmpDecoder() {}
    ~AACRtmpDecoder() {}

    /**
@ -33,19 +33,14 @@ public:
     */
    bool inputRtmp(const RtmpPacket::Ptr &Rtmp, bool key_pos = false) override;

-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
    CodecId getCodecId() const override{
        return CodecAAC;
    }

-protected:
-    void onGetAAC(const char* pcData, int iLen, uint32_t ui32TimeStamp);
-    AACFrame::Ptr obtainFrame();
-protected:
-    AACFrame::Ptr _adts;
+private:
+    void onGetAAC(const char *data, int len, uint32_t stamp);
+
+private:
    string _aac_cfg;
 };

@ -76,11 +71,14 @@ public:
     * 生成config包
     */
    void makeConfigPacket() override;
+
 private:
    void makeAudioConfigPkt();
+
 private:
    uint8_t _audio_flv_flags;
    AACTrack::Ptr _track;
+    string _aac_cfg;
 };

 }//namespace mediakit
--- a/src/Extension/AACRtp.cpp
+++ b/src/Extension/AACRtp.cpp
@ -9,19 +9,19 @@
 */

 #include "AACRtp.h"
-#define ADTS_HEADER_LEN 7
+#define AAC_MAX_FRAME_SIZE (2 * 1024)

 namespace mediakit{

 AACRtpEncoder::AACRtpEncoder(uint32_t ui32Ssrc,
                             uint32_t ui32MtuSize,
                             uint32_t ui32SampleRate,
-                             uint8_t ui8PlayloadType,
+                             uint8_t ui8PayloadType,
                             uint8_t ui8Interleaved) :
        RtpInfo(ui32Ssrc,
                ui32MtuSize,
                ui32SampleRate,
-                ui8PlayloadType,
+                ui8PayloadType,
                ui8Interleaved){
 }

@ -68,20 +68,18 @@ AACRtpDecoder::AACRtpDecoder(const Track::Ptr &track){
    } else {
        _aac_cfg = aacTrack->getAacCfg();
    }
-    _adts = obtainFrame();
+    _frame = obtainFrame();
 }
+
 AACRtpDecoder::AACRtpDecoder() {
-    _adts = obtainFrame();
+    _frame = obtainFrame();
 }

 AACFrame::Ptr AACRtpDecoder::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<AACFrame>::obtainObj();
-    frame->aac_frame_length = ADTS_HEADER_LEN;
-    frame->iPrefixSize = ADTS_HEADER_LEN;
-    if(frame->syncword == 0 && !_aac_cfg.empty()) {
-        makeAdtsHeader(_aac_cfg,*frame);
-    }
+    frame->_prefix_size = 0;
+    frame->_buffer.clear();
    return frame;
 }

@ -96,20 +94,18 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
    //忽略Au-Header区
    ptr += 2 + au_header_count * 2;

-    static const uint32_t max_size = sizeof(AACFrame::buffer) - ADTS_HEADER_LEN;
    while (ptr < end) {
        auto size = (uint32_t) (end - ptr);
-        if(size > max_size){
-            size = max_size;
+        if (size > AAC_MAX_FRAME_SIZE) {
+            size = AAC_MAX_FRAME_SIZE;
        }
-        if (_adts->aac_frame_length + size > sizeof(AACFrame::buffer)) {
+        if (_frame->size() + size > AAC_MAX_FRAME_SIZE) {
            //数据太多了，先清空
            flushData();
        }
        //追加aac数据
-        memcpy(_adts->buffer + _adts->aac_frame_length, ptr, size);
-        _adts->aac_frame_length += size;
-        _adts->timeStamp = rtppack->timeStamp;
+        _frame->_buffer.append((char *) ptr, size);
+        _frame->_dts = rtppack->timeStamp;
        ptr += size;
    }

@ -120,15 +116,22 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
    return false;
 }

-
 void AACRtpDecoder::flushData() {
-    if(_adts->aac_frame_length == ADTS_HEADER_LEN){
+    if (_frame->_buffer.empty()) {
        //没有有效数据
        return;
    }
-    writeAdtsHeader(*_adts, _adts->buffer);
-    RtpCodec::inputFrame(_adts);
-    _adts = obtainFrame();
+
+    //插入adts头
+    char adts_header[32] = {0};
+    auto size = dumpAacConfig(_aac_cfg, _frame->_buffer.size(), (uint8_t *) adts_header, sizeof(adts_header));
+    if (size > 0) {
+        //插入adts头
+        _frame->_buffer.insert(0, adts_header, size);
+        _frame->_prefix_size = size;
+    }
+    RtpCodec::inputFrame(_frame);
+    _frame = obtainFrame();
 }


--- a/src/Extension/AACRtp.h
+++ b/src/Extension/AACRtp.h
@ -31,19 +31,19 @@ public:
     */
    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;

-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
    CodecId getCodecId() const override {
        return CodecAAC;
    }
+
 protected:
    AACRtpDecoder();
+
 private:
    AACFrame::Ptr obtainFrame();
    void flushData();
+
 private:
-    AACFrame::Ptr _adts;
+    AACFrame::Ptr _frame;
    string _aac_cfg;
 };

@ -59,13 +59,13 @@ public:
     * @param ui32Ssrc ssrc
     * @param ui32MtuSize mtu 大小
     * @param ui32SampleRate 采样率
-     * @param ui8PlayloadType pt类型
+     * @param ui8PayloadType pt类型
     * @param ui8Interleaved rtsp interleaved 值
     */
    AACRtpEncoder(uint32_t ui32Ssrc,
                  uint32_t ui32MtuSize,
                  uint32_t ui32SampleRate,
-                  uint8_t ui8PlayloadType = 97,
+                  uint8_t ui8PayloadType = 97,
                  uint8_t ui8Interleaved = TrackAudio * 2);
    ~AACRtpEncoder() {}

@ -74,8 +74,10 @@ public:
     * @param frame 带dats头的aac数据
     */
    void inputFrame(const Frame::Ptr &frame) override;
+
 private:
    void makeAACRtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
+
 private:
    unsigned char _aucSectionBuf[1600];
 };
--- a/src/Extension/Factory.cpp
+++ b/src/Extension/Factory.cpp
@ -33,17 +33,12 @@ Track::Ptr Factory::getTrackBySdp(const SdpTrack::Ptr &track) {
            return nullptr;
        }
        string aac_cfg;
-
-        unsigned int cfg1;
-        sscanf(aac_cfg_str.substr(0, 2).data(), "%02X", &cfg1);
-        cfg1 &= 0x00FF;
-        aac_cfg.push_back(cfg1);
-
-        unsigned int cfg2;
-        sscanf(aac_cfg_str.substr(2, 2).data(), "%02X", &cfg2);
-        cfg2 &= 0x00FF;
-        aac_cfg.push_back(cfg2);
-
+        for(int i = 0 ; i < aac_cfg_str.size() / 2 ; ++i ){
+            unsigned int cfg;
+            sscanf(aac_cfg_str.substr(i * 2, 2).data(), "%02X", &cfg);
+            cfg &= 0x00FF;
+            aac_cfg.push_back((char)cfg);
+        }
        return std::make_shared<AACTrack>(aac_cfg);
    }

@ -115,7 +110,7 @@ RtpCodec::Ptr Factory::getRtpEncoderBySdp(const Sdp::Ptr &sdp) {
    }
    auto mtu = (sdp->getTrackType() == TrackVideo ? video_mtu : audio_mtu);
    auto sample_rate = sdp->getSampleRate();
-    auto pt = sdp->getPlayloadType();
+    auto pt = sdp->getPayloadType();
    auto interleaved = sdp->getTrackType() * 2;
    auto codec_id = sdp->getCodecId();
    switch (codec_id){
@ -221,13 +216,27 @@ Track::Ptr Factory::getAudioTrackByAmf(const AMFValue& amf, int sample_rate, int
    return getTrackByCodecId(codecId, sample_rate, channels, sample_bit);
 }

-RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track) {
+RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track, bool is_encode) {
    switch (track->getCodecId()){
        case CodecH264 : return std::make_shared<H264RtmpEncoder>(track);
        case CodecAAC : return std::make_shared<AACRtmpEncoder>(track);
        case CodecH265 : return std::make_shared<H265RtmpEncoder>(track);
        case CodecG711A :
-        case CodecG711U : return std::make_shared<G711RtmpEncoder>(track);
+        case CodecG711U : {
+            auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
+            if (is_encode && (audio_track->getAudioSampleRate() != 8000 ||
+                              audio_track->getAudioChannel() != 1 ||
+                              audio_track->getAudioSampleBit() != 16)) {
+                //rtmp对g711只支持8000/1/16规格，但是ZLMediaKit可以解析其他规格的G711
+                WarnL << "RTMP只支持8000/1/16规格的G711,目前规格是:"
+                      << audio_track->getAudioSampleRate() << "/"
+                      << audio_track->getAudioChannel() << "/"
+                      << audio_track->getAudioSampleBit()
+                      << ",该音频已被忽略";
+                return nullptr;
+            }
+            return std::make_shared<G711RtmpEncoder>(track);
+        }
        default : WarnL << "暂不支持该CodecId:" << track->getCodecName(); return nullptr;
    }
 }
--- a/src/Extension/Factory.h
+++ b/src/Extension/Factory.h
@ -59,8 +59,9 @@ public:
    /**
     * 根据Track获取Rtmp的编解码器
     * @param track 媒体描述对象
+     * @param is_encode 是否为编码器还是解码器
     */
-    static RtmpCodec::Ptr getRtmpCodecByTrack(const Track::Ptr &track);
+    static RtmpCodec::Ptr getRtmpCodecByTrack(const Track::Ptr &track, bool is_encode);

    /**
     * 根据codecId获取rtmp的codec描述
--- a/src/Extension/Frame.cpp
+++ b/src/Extension/Frame.cpp
@ -15,6 +15,59 @@ using namespace toolkit;

 namespace mediakit{

+/**
+ * 该对象的功能是把一个不可缓存的帧转换成可缓存的帧
+ */
+class FrameCacheAble : public FrameFromPtr {
+public:
+    typedef std::shared_ptr<FrameCacheAble> Ptr;
+
+    FrameCacheAble(const Frame::Ptr &frame){
+        if(frame->cacheAble()){
+            _frame = frame;
+            _ptr = frame->data();
+        }else{
+            _buffer = std::make_shared<BufferRaw>();
+            _buffer->assign(frame->data(),frame->size());
+            _ptr = _buffer->data();
+        }
+        _size = frame->size();
+        _dts = frame->dts();
+        _pts = frame->pts();
+        _prefix_size = frame->prefixSize();
+        _codecid = frame->getCodecId();
+        _key = frame->keyFrame();
+        _config = frame->configFrame();
+    }
+
+    virtual ~FrameCacheAble() = default;
+
+    /**
+     * 可以被缓存
+     */
+    bool cacheAble() const override {
+        return true;
+    }
+
+    CodecId getCodecId() const override{
+        return _codecid;
+    }
+
+    bool keyFrame() const override{
+        return _key;
+    }
+
+    bool configFrame() const override{
+        return _config;
+    }
+private:
+    Frame::Ptr _frame;
+    BufferRaw::Ptr _buffer;
+    CodecId _codecid;
+    bool _key;
+    bool _config;
+};
+
 Frame::Ptr Frame::getCacheAbleFrame(const Frame::Ptr &frame){
    if(frame->cacheAble()){
        return frame;
@ -23,17 +76,35 @@ Frame::Ptr Frame::getCacheAbleFrame(const Frame::Ptr &frame){
 }

 #define SWITCH_CASE(codec_id) case codec_id : return #codec_id
-const char *CodecInfo::getCodecName() {
-    switch (getCodecId()) {
+const char *getCodecName(CodecId codecId) {
+    switch (codecId) {
        SWITCH_CASE(CodecH264);
        SWITCH_CASE(CodecH265);
        SWITCH_CASE(CodecAAC);
        SWITCH_CASE(CodecG711A);
        SWITCH_CASE(CodecG711U);
-        default:
-            return "unknown codec";
+        SWITCH_CASE(CodecOpus);
+        default : return "unknown codec";
    }
 }

+TrackType getTrackType(CodecId codecId){
+    switch (codecId){
+        case CodecH264:
+        case CodecH265: return TrackVideo;
+        case CodecAAC:
+        case CodecG711A:
+        case CodecG711U:
+        case CodecOpus: return TrackAudio;
+        default: return TrackInvalid;
+    }
+}
+
+const char *CodecInfo::getCodecName() {
+    return mediakit::getCodecName(getCodecId());
+}
+
+TrackType CodecInfo::getTrackType() {
+    return mediakit::getTrackType(getCodecId());
+}
 }//namespace mediakit
-
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@ -28,6 +28,7 @@ typedef enum {
    CodecAAC,
    CodecG711A,
    CodecG711U,
+    CodecOpus,
    CodecMax = 0x7FFF
 } CodecId;

@ -39,6 +40,16 @@ typedef enum {
    TrackMax = 3
 } TrackType;

+/**
+ * 获取编码器名称
+ */
+const char *getCodecName(CodecId codecId);
+
+/**
+ * 获取音视频类型
+ */
+TrackType getTrackType(CodecId codecId);
+
 /**
 * 编码信息的抽象接口
 */
@ -49,11 +60,6 @@ public:
    CodecInfo(){}
    virtual ~CodecInfo(){}

-    /**
-     * 获取音视频类型
-     */
-    virtual TrackType getTrackType() const  = 0;
-
    /**
     * 获取编解码器类型
     */
@ -61,9 +67,13 @@ public:

    /**
     * 获取编码器名称
-     * @return 编码器名称
     */
    const char *getCodecName();
+
+    /**
+     * 获取音视频类型
+     */
+    TrackType getTrackType();
 };

 /**
@ -76,15 +86,11 @@ public:

    /**
     * 返回解码时间戳，单位毫秒
-     * @return
     */
    virtual uint32_t dts() const = 0;

-
-
    /**
     * 返回显示时间戳，单位毫秒
-     * @return
     */
    virtual uint32_t pts() const {
        return dts();
@ -98,13 +104,11 @@ public:

    /**
     * 返回是否为关键帧
-     * @return
     */
    virtual bool keyFrame() const = 0;

    /**
     * 是否为配置帧，譬如sps pps vps
-     * @return
     */
    virtual bool configFrame() const = 0;

@ -115,14 +119,77 @@ public:

    /**
     * 返回可缓存的frame
-     * @return
     */
    static Ptr getCacheAbleFrame(const Ptr &frame);
 };

+class FrameImp : public Frame {
+public:
+    typedef std::shared_ptr<FrameImp> Ptr;
+
+    char *data() const override{
+        return (char *)_buffer.data();
+    }
+
+    uint32_t size() const override {
+        return _buffer.size();
+    }
+
+    uint32_t dts() const override {
+        return _dts;
+    }
+
+    uint32_t pts() const override{
+        return _pts ? _pts : _dts;
+    }
+
+    uint32_t prefixSize() const override{
+        return _prefix_size;
+    }
+
+    CodecId getCodecId() const override{
+        return _codecid;
+    }
+
+    bool keyFrame() const override {
+        return false;
+    }
+
+    bool configFrame() const override{
+        return false;
+    }
+
+public:
+    CodecId _codecid = CodecInvalid;
+    string _buffer;
+    uint32_t _dts = 0;
+    uint32_t _pts = 0;
+    uint32_t _prefix_size = 0;
+};
+
+/**
+ * 一个Frame类中可以有多个帧，他们通过 0x 00 00 01 分隔
+ * ZLMediaKit会先把这种复合帧split成单个帧然后再处理
+ * 一个复合帧可以通过无内存拷贝的方式切割成多个子Frame
+ * 提供该类的目的是切割复合帧时防止内存拷贝，提高性能
+ */
+template<typename Parent>
+class FrameInternal : public Parent{
+public:
+    typedef std::shared_ptr<FrameInternal> Ptr;
+    FrameInternal(const Frame::Ptr &parent_frame, char *ptr, uint32_t size, int prefix_size)
+            : Parent(ptr, size, parent_frame->dts(), parent_frame->pts(), prefix_size) {
+        _parent_frame = parent_frame;
+    }
+    bool cacheAble() const override {
+        return _parent_frame->cacheAble();
+    }
+private:
+    Frame::Ptr _parent_frame;
+};
+
 /**
 * 循环池辅助类
- * @tparam T
 */
 template <typename T>
 class ResourcePoolHelper{
@ -140,17 +207,16 @@ private:
 };

 /**
- * 写帧接口的抽闲接口
+ * 写帧接口的抽象接口类
 */
 class FrameWriterInterface {
 public:
    typedef std::shared_ptr<FrameWriterInterface> Ptr;
-
    FrameWriterInterface(){}
    virtual ~FrameWriterInterface(){}
+
    /**
     * 写入帧数据
-    * @param frame 帧
     */
    virtual void inputFrame(const Frame::Ptr &frame) = 0;
 };
@ -165,15 +231,15 @@ public:

    /**
     * inputFrame后触发onWriteFrame回调
-     * @param cb
     */
    FrameWriterInterfaceHelper(const onWriteFrame& cb){
        _writeCallback = cb;
    }
+
    virtual ~FrameWriterInterfaceHelper(){}
+
    /**
     * 写入帧数据
-    * @param frame 帧
     */
    void inputFrame(const Frame::Ptr &frame) override {
        _writeCallback(frame);
@ -182,7 +248,6 @@ private:
    onWriteFrame _writeCallback;
 };

-
 /**
 * 支持代理转发的帧环形缓存
 */
@ -193,6 +258,9 @@ public:
    FrameDispatcher(){}
    virtual ~FrameDispatcher(){}

+    /**
+     * 添加代理
+     */
    void addDelegate(const FrameWriterInterface::Ptr &delegate){
        //_delegates_write可能多线程同时操作
        lock_guard<mutex> lck(_mtx);
@ -200,7 +268,10 @@ public:
        _need_update = true;
    }

-    void delDelegate(void *ptr){
+    /**
+     * 删除代理
+     */
+    void delDelegate(FrameWriterInterface *ptr){
        //_delegates_write可能多线程同时操作
        lock_guard<mutex> lck(_mtx);
        _delegates_write.erase(ptr);
@ -208,8 +279,7 @@ public:
    }

    /**
-     * 写入帧数据
-     * @param frame 帧
+     * 写入帧并派发
     */
    void inputFrame(const Frame::Ptr &frame) override{
        if(_need_update){
@ -223,7 +293,13 @@ public:
        for(auto &pr : _delegates_read){
            pr.second->inputFrame(frame);
        }
+    }

+    /**
+     * 返回代理个数
+     */
+    int size() const {
+        return _delegates_write.size();
    }
 private:
    mutex _mtx;
@ -250,105 +326,23 @@ public:
    }

    uint32_t pts() const override{
-        if(_pts){
-            return _pts;
-        }
-        return dts();
+        return _pts ? _pts : dts();
    }

    uint32_t prefixSize() const override{
-        return _prefixSize;
+        return _prefix_size;
+    }
+
+    bool cacheAble() const override {
+        return false;
    }
 protected:
    char *_ptr;
    uint32_t _size;
    uint32_t _dts;
    uint32_t _pts = 0;
-    uint32_t _prefixSize;
+    uint32_t _prefix_size;
 };

-/**
- * 不可缓存的帧，在DevChannel类中有用到。
- * 该帧类型用于防止内存拷贝，直接使用指针传递数据
- * 在大多数情况下，ZLMediaKit是同步对帧数据进行使用和处理的
- * 所以提供此类型的帧很有必要，但是有时又无法避免缓存帧做后续处理
- * 所以可以通过Frame::getCacheAbleFrame方法拷贝一个可缓存的帧
- */
-class FrameNoCacheAble : public FrameFromPtr{
-public:
-    typedef std::shared_ptr<FrameNoCacheAble> Ptr;
-
-    /**
-     * 该帧不可缓存
-     * @return
-     */
-    bool cacheAble() const override {
-        return false;
-    }
-};
-
-/**
- * 该对象的功能是把一个不可缓存的帧转换成可缓存的帧
- * @see FrameNoCacheAble
- */
-class FrameCacheAble : public FrameFromPtr {
-public:
-    typedef std::shared_ptr<FrameCacheAble> Ptr;
-
-    FrameCacheAble(const Frame::Ptr &frame){
-        if(frame->cacheAble()){
-            _frame = frame;
-            _ptr = frame->data();
-        }else{
-            _buffer = std::make_shared<BufferRaw>();
-            _buffer->assign(frame->data(),frame->size());
-            _ptr = _buffer->data();
-        }
-        _size = frame->size();
-        _dts = frame->dts();
-        _pts = frame->pts();
-        _prefixSize = frame->prefixSize();
-        _trackType = frame->getTrackType();
-        _codec = frame->getCodecId();
-        _key = frame->keyFrame();
-        _config = frame->configFrame();
-    }
-
-    virtual ~FrameCacheAble() = default;
-
-    /**
-     * 可以被缓存
-     * @return
-     */
-    bool cacheAble() const override {
-        return true;
-    }
-
-    TrackType getTrackType() const override{
-        return _trackType;
-    }
-
-    CodecId getCodecId() const override{
-        return _codec;
-    }
-
-    bool keyFrame() const override{
-        return _key;
-    }
-
-    bool configFrame() const override{
-        return _config;
-    }
-private:
-    Frame::Ptr _frame;
-    BufferRaw::Ptr _buffer;
-    TrackType _trackType;
-    CodecId _codec;
-    bool _key;
-    bool _config;
-};
-
-
 }//namespace mediakit
-
 #endif //ZLMEDIAKIT_FRAME_H
--- a/src/Extension/G711.h
+++ b/src/Extension/G711.h
@ -19,76 +19,28 @@ namespace mediakit{
 /**
 * G711帧
 */
-class G711Frame : public Frame {
+class G711Frame : public FrameImp {
 public:
-    typedef std::shared_ptr<G711Frame> Ptr;
-
-    char *data() const override{
-        return (char *)buffer.data();
+    G711Frame(){
+        _codecid = CodecG711A;
    }
-
-    uint32_t size() const override {
-        return buffer.size();
-    }
-
-    uint32_t dts() const override {
-        return timeStamp;
-    }
-
-    uint32_t prefixSize() const override{
-        return 0;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
-    CodecId getCodecId() const override{
-        return _codecId;
-    }
-
-    bool keyFrame() const override {
-        return false;
-    }
-
-    bool configFrame() const override{
-        return false;
-    }
-public:
-    CodecId _codecId = CodecG711A;
-    string buffer;
-    uint32_t timeStamp;
 };

-class G711FrameNoCacheAble : public FrameNoCacheAble {
+class G711FrameNoCacheAble : public FrameFromPtr {
 public:
    typedef std::shared_ptr<G711FrameNoCacheAble> Ptr;

-    //兼容通用接口
-    G711FrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts, uint32_t pts = 0,int prefixeSize = 0){
+    G711FrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts, uint32_t pts = 0,int prefix_size = 0){
        _ptr = ptr;
        _size = size;
        _dts = dts;
-        _prefixSize = prefixeSize;
+        _prefix_size = prefix_size;
    }

-    //兼容通用接口
    void setCodec(CodecId codecId){
        _codecId = codecId;
    }

-    G711FrameNoCacheAble(CodecId codecId, char *ptr,uint32_t size,uint32_t dts,int prefixeSize = 0){
-        _codecId = codecId;
-        _ptr = ptr;
-        _size = size;
-        _dts = dts;
-        _prefixSize = prefixeSize;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
    CodecId getCodecId() const override{
        return _codecId;
    }
@ -108,67 +60,18 @@ private:
 /**
 * G711音频通道
 */
-class G711Track : public AudioTrack{
+class G711Track : public AudioTrackImp{
 public:
    typedef std::shared_ptr<G711Track> Ptr;
-
-    /**
-     * G711A G711U
-     */
-    G711Track(CodecId codecId,int sample_rate, int channels, int sample_bit){
-        _codecid = codecId;
-        _sample_rate = sample_rate;
-        _channels = channels;
-        _sample_bit = sample_bit;
-    }
-
-    /**
-     * 返回编码类型
-     */
-    CodecId getCodecId() const override{
-        return _codecid;
-    }
-
-    /**
-     * 是否已经初始化
-     */
-    bool ready() override {
-        return true;
-    }
-
-    /**
-     * 返回音频采样率
-     */
-    int getAudioSampleRate() const override{
-        return _sample_rate;
-    }
-
-    /**
-     * 返回音频采样位数，一般为16或8
-     */
-    int getAudioSampleBit() const override{
-        return _sample_bit;
-    }
-
-    /**
-     * 返回音频通道数
-     */
-    int getAudioChannel() const override{
-        return _channels;
-    }
+    G711Track(CodecId codecId,int sample_rate, int channels, int sample_bit) : AudioTrackImp(codecId,sample_rate,channels,sample_bit){}

 private:
+    //克隆该Track
    Track::Ptr clone() override {
        return std::make_shared<std::remove_reference<decltype(*this)>::type >(*this);
    }
-
    //生成sdp
    Sdp::Ptr getSdp() override ;
-private:
-    CodecId _codecid;
-    int _sample_rate;
-    int _channels;
-    int _sample_bit;
 };

 /**
@ -180,37 +83,30 @@ public:
     * G711采样率固定为8000
     * @param codecId G711A G711U
     * @param sample_rate 音频采样率
-     * @param playload_type rtp playload
+     * @param payload_type rtp payload
     * @param bitrate 比特率
     */
    G711Sdp(CodecId codecId,
            int sample_rate,
            int channels,
-            int playload_type = 98,
-            int bitrate = 128) : Sdp(sample_rate,playload_type), _codecId(codecId){
-        _printer << "m=audio 0 RTP/AVP " << playload_type << "\r\n";
-        _printer << "a=rtpmap:" << playload_type << (codecId == CodecG711A ? " PCMA/" : " PCMU/") << sample_rate  << "/" << channels << "\r\n";
-        _printer << "a=control:trackID=" << getTrackType() << "\r\n";
+            int payload_type = 98,
+            int bitrate = 128) : Sdp(sample_rate,payload_type), _codecId(codecId){
+        _printer << "m=audio 0 RTP/AVP " << payload_type << "\r\n";
+        _printer << "a=rtpmap:" << payload_type << (codecId == CodecG711A ? " PCMA/" : " PCMU/") << sample_rate  << "/" << channels << "\r\n";
+        _printer << "a=control:trackID=" << (int)TrackAudio << "\r\n";
    }

    string getSdp() const override {
        return _printer;
    }

-    TrackType getTrackType() const override {
-        return TrackAudio;
-    }
-
    CodecId getCodecId() const override {
        return _codecId;
    }
-
 private:
    _StrPrinter _printer;
    CodecId _codecId;
 };

 }//namespace mediakit
-
-
-#endif //ZLMEDIAKIT_AAC_H
+#endif //ZLMEDIAKIT_G711_H
--- a/src/Extension/G711Rtmp.cpp
+++ b/src/Extension/G711Rtmp.cpp
@ -20,15 +20,15 @@ G711RtmpDecoder::G711RtmpDecoder(CodecId codecId) {
 G711Frame::Ptr G711RtmpDecoder::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<G711Frame>::obtainObj();
-    frame->buffer.clear();
-    frame->_codecId = _codecId;
+    frame->_buffer.clear();
+    frame->_codecid = _codecId;
    return frame;
 }

 bool G711RtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool) {
    //拷贝G711负载
-    _frame->buffer.assign(pkt->strBuf.data() + 1, pkt->strBuf.size() - 1);
-    _frame->timeStamp = pkt->timeStamp;
+    _frame->_buffer.assign(pkt->strBuf.data() + 1, pkt->strBuf.size() - 1);
+    _frame->_dts = pkt->timeStamp;
    //写入环形缓存
    RtmpCodec::inputFrame(_frame);
    _frame = obtainFrame();
--- a/src/Extension/G711Rtmp.h
+++ b/src/Extension/G711Rtmp.h
@ -33,10 +33,6 @@ public:
     */
    bool inputRtmp(const RtmpPacket::Ptr &Rtmp, bool key_pos = false) override;

-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
    CodecId getCodecId() const override{
        return _codecId;
    }
--- a/src/Extension/G711Rtp.cpp
+++ b/src/Extension/G711Rtp.cpp
@ -20,9 +20,9 @@ G711RtpDecoder::G711RtpDecoder(const Track::Ptr &track){
 G711Frame::Ptr G711RtpDecoder::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<G711Frame>::obtainObj();
-    frame->buffer.clear();
-    frame->_codecId = _codecid;
-    frame->timeStamp = 0;
+    frame->_buffer.clear();
+    frame->_codecid = _codecid;
+    frame->_dts = 0;
    return frame;
 }

@ -32,17 +32,17 @@ bool G711RtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool) {
    // 获取rtp数据
    const char *rtp_packet_buf = rtppack->data() + rtppack->offset;

-    if (rtppack->timeStamp != _frame->timeStamp) {
+    if (rtppack->timeStamp != _frame->_dts) {
        //时间戳变更，清空上一帧
        onGetG711(_frame);
    }

    //追加数据
-    _frame->buffer.append(rtp_packet_buf, length);
+    _frame->_buffer.append(rtp_packet_buf, length);
    //赋值时间戳
-    _frame->timeStamp = rtppack->timeStamp;
+    _frame->_dts = rtppack->timeStamp;

-    if (rtppack->mark || _frame->buffer.size() > 10 * 1024) {
+    if (rtppack->mark || _frame->_buffer.size() > 10 * 1024) {
        //标记为mark时，或者内存快溢出时，我们认为这是该帧最后一个包
        onGetG711(_frame);
    }
@ -50,7 +50,7 @@ bool G711RtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool) {
 }

 void G711RtpDecoder::onGetG711(const G711Frame::Ptr &frame) {
-    if(!frame->buffer.empty()){
+    if(!frame->_buffer.empty()){
        //写入环形缓存
        RtpCodec::inputFrame(frame);
        _frame = obtainFrame();
@ -62,12 +62,12 @@ void G711RtpDecoder::onGetG711(const G711Frame::Ptr &frame) {
 G711RtpEncoder::G711RtpEncoder(uint32_t ui32Ssrc,
                               uint32_t ui32MtuSize,
                               uint32_t ui32SampleRate,
-                               uint8_t ui8PlayloadType,
+                               uint8_t ui8PayloadType,
                               uint8_t ui8Interleaved) :
        RtpInfo(ui32Ssrc,
                ui32MtuSize,
                ui32SampleRate,
-                ui8PlayloadType,
+                ui8PayloadType,
                ui8Interleaved) {
 }

@ -96,6 +96,3 @@ void G711RtpEncoder::makeG711Rtp(const void *data, unsigned int len, bool mark,
 }

 }//namespace mediakit
-
-
-
--- a/src/Extension/G711Rtp.h
+++ b/src/Extension/G711Rtp.h
@ -31,10 +31,6 @@ public:
     */
    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;

-    TrackType getTrackType() const override{
-        return TrackAudio;
-    }
-
    CodecId getCodecId() const override{
        return _codecid;
    }
@ -62,13 +58,13 @@ public:
     * @param ui32Ssrc ssrc
     * @param ui32MtuSize mtu 大小
     * @param ui32SampleRate 采样率
-     * @param ui8PlayloadType pt类型
+     * @param ui8PayloadType pt类型
     * @param ui8Interleaved rtsp interleaved 值
     */
    G711RtpEncoder(uint32_t ui32Ssrc,
                   uint32_t ui32MtuSize,
                   uint32_t ui32SampleRate,
-                   uint8_t ui8PlayloadType = 0,
+                   uint8_t ui8PayloadType = 0,
                   uint8_t ui8Interleaved = TrackAudio * 2);
    ~G711RtpEncoder() {}

--- a/src/Extension/H264.cpp
+++ b/src/Extension/H264.cpp
@ -44,34 +44,77 @@ const char *memfind(const char *buf, int len, const char *subbuf, int sublen) {
    return NULL;
 }

-void splitH264(const char *ptr, int len, const std::function<void(const char *, int)> &cb) {
-    auto nal = ptr;
+void splitH264(const char *ptr, int len, int prefix, const std::function<void(const char *, int, int)> &cb) {
+    auto start = ptr + prefix;
    auto end = ptr + len;
+    int next_prefix;
    while (true) {
-        auto next_nal = memfind(nal + 3,end - nal - 3,"\x0\x0\x1",3);
-        if(next_nal){
-            if(*(next_nal - 1) == 0x00){
-                next_nal -= 1;
+        auto next_start = memfind(start, end - start, "\x00\x00\x01", 3);
+        if (next_start) {
+            //找到下一帧
+            if (*(next_start - 1) == 0x00) {
+                //这个是00 00 00 01开头
+                next_start -= 1;
+                next_prefix = 4;
+            } else {
+                //这个是00 00 01开头
+                next_prefix = 3;
            }
-            cb(nal,next_nal - nal);
-            nal = next_nal;
+            //记得加上本帧prefix长度
+            cb(start - prefix, next_start - start + prefix, prefix);
+            //搜索下一帧末尾的起始位置
+            start = next_start + next_prefix;
+            //记录下一帧的prefix长度
+            prefix = next_prefix;
            continue;
        }
-        cb(nal,end - nal);
+        //未找到下一帧,这是最后一帧
+        cb(start - prefix, end - start + prefix, prefix);
        break;
    }
 }

+int prefixSize(const char *ptr, int len){
+    if (len < 4) {
+        return 0;
+    }
+
+    if (ptr[0] != 0x00 || ptr[1] != 0x00) {
+        //不是0x00 00开头
+        return 0;
+    }
+
+    if (ptr[2] == 0x00 && ptr[3] == 0x01) {
+        //是0x00 00 00 01
+        return 4;
+    }
+
+    if (ptr[2] == 0x01) {
+        //是0x00 00 01
+        return 3;
+    }
+    return 0;
+}
+
 #if 0
 //splitH264函数测试程序
 static onceToken s_token([](){
+    {
        char buf[] = "\x00\x00\x00\x01\x12\x23\x34\x45\x56"
-                 "\x00\x00\x00\x01\x12\x23\x34\x45\x56"
-                 "\x00\x00\x00\x01\x12\x23\x34\x45\x56"
+                     "\x00\x00\x00\x01\x23\x34\x45\x56"
+                     "\x00\x00\x00\x01x34\x45\x56"
                     "\x00\x00\x01\x12\x23\x34\x45\x56";
-    splitH264(buf, sizeof(buf) - 1, [](const char *ptr, int len){
-        cout << hexdump(ptr, len) << endl;
+        splitH264(buf, sizeof(buf) - 1, 4, [](const char *ptr, int len, int prefix) {
+            cout << prefix << " " << hexdump(ptr, len) << endl;
        });
+    }
+
+    {
+        char buf[] = "\x00\x00\x00\x01\x12\x23\x34\x45\x56";
+        splitH264(buf, sizeof(buf) - 1, 4, [](const char *ptr, int len, int prefix) {
+            cout << prefix << " " << hexdump(ptr, len) << endl;
+        });
+    }
 });
 #endif //0

--- a/src/Extension/H264.h
+++ b/src/Extension/H264.h
@ -20,12 +20,12 @@ using namespace toolkit;
 namespace mediakit{

 bool getAVCInfo(const string &strSps,int &iVideoWidth, int &iVideoHeight, float  &iVideoFps);
-void splitH264(const char *ptr, int len, const std::function<void(const char *, int)> &cb);
-
+void splitH264(const char *ptr, int len, int prefix, const std::function<void(const char *, int, int)> &cb);
+int prefixSize(const char *ptr, int len);
 /**
 * 264帧类
 */
-class H264Frame : public Frame {
+class H264Frame : public FrameImp {
 public:
    typedef std::shared_ptr<H264Frame> Ptr;

@ -36,30 +36,8 @@ public:
        NAL_SEI = 6,
    } NalType;

-    char *data() const override{
-        return (char *)_buffer.data();
-    }
-    uint32_t size() const override {
-        return _buffer.size();
-    }
-    uint32_t dts() const override {
-        return _dts;
-    }
-
-    uint32_t pts() const override {
-        return _pts ? _pts : _dts;
-    }
-
-    uint32_t prefixSize() const override{
-        return _prefix_size;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackVideo;
-    }
-
-    CodecId getCodecId() const override{
-        return CodecH264;
+    H264Frame(){
+        _codecid = CodecH264;
    }

    bool keyFrame() const override {
@ -69,39 +47,27 @@ public:
    bool configFrame() const override{
        switch(H264_TYPE(_buffer[_prefix_size]) ){
            case H264Frame::NAL_SPS:
-            case H264Frame::NAL_PPS:
-                return true;
-            default:
-                return false;
+            case H264Frame::NAL_PPS:return true;
+            default:return false;
        }
    }
-public:
-    uint32_t _dts = 0;
-    uint32_t _pts = 0;
-    uint32_t _prefix_size = 4;
-    string _buffer;
 };

-
 /**
 * 防止内存拷贝的H264类
 * 用户可以通过该类型快速把一个指针无拷贝的包装成Frame类
 * 该类型在DevChannel中有使用
 */
-class H264FrameNoCacheAble : public FrameNoCacheAble {
+class H264FrameNoCacheAble : public FrameFromPtr {
 public:
    typedef std::shared_ptr<H264FrameNoCacheAble> Ptr;

-    H264FrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts , uint32_t pts ,int prefixeSize = 4){
+    H264FrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts , uint32_t pts ,int prefix_size = 4){
        _ptr = ptr;
        _size = size;
        _dts = dts;
        _pts = pts;
-        _prefixSize = prefixeSize;
-    }
-
-    TrackType getTrackType() const override{
-        return TrackVideo;
+        _prefix_size = prefix_size;
    }

    CodecId getCodecId() const override{
@ -109,43 +75,18 @@ public:
    }

    bool keyFrame() const override {
-        return H264_TYPE(_ptr[_prefixSize]) == H264Frame::NAL_IDR;
+        return H264_TYPE(_ptr[_prefix_size]) == H264Frame::NAL_IDR;
    }

    bool configFrame() const override{
-        switch(H264_TYPE(_ptr[_prefixSize])){
+        switch(H264_TYPE(_ptr[_prefix_size])){
            case H264Frame::NAL_SPS:
-            case H264Frame::NAL_PPS:
-                return true;
-            default:
-                return false;
+            case H264Frame::NAL_PPS:return true;
+            default:return false;
        }
    }
 };

-/**
- * 一个H264Frame类中可以有多个帧，他们通过 0x 00 00 01 分隔
- * ZLMediaKit会先把这种复合帧split成单个帧然后再处理
- * 一个复合帧可以通过无内存拷贝的方式切割成多个H264FrameSubFrame
- * 提供该类的目的是切换复合帧时防止内存拷贝，提高性能
- */
-template<typename Parent>
-class FrameInternal : public Parent{
-public:
-    typedef std::shared_ptr<FrameInternal> Ptr;
-    FrameInternal(const Frame::Ptr &parent_frame,
-                  char *ptr,
-                  uint32_t size,
-                  int prefixeSize) : Parent(ptr,size,parent_frame->dts(),parent_frame->pts(),prefixeSize){
-        _parent_frame = parent_frame;
-    }
-    bool cacheAble() const override {
-        return _parent_frame->cacheAble();
-    }
-private:
-    Frame::Ptr _parent_frame;
-};
-
 typedef FrameInternal<H264FrameNoCacheAble> H264FrameInternal;

 /**
@ -243,24 +184,9 @@ public:
        int type = H264_TYPE(*((uint8_t *)frame->data() + frame->prefixSize()));
        if(type == H264Frame::NAL_SPS || type == H264Frame::NAL_SEI){
            //有些设备会把SPS PPS IDR帧当做一个帧打包，所以我们要split一下
-            bool  first_frame = true;
-            splitH264(frame->data() + frame->prefixSize(),
-                      frame->size() - frame->prefixSize(),
-                      [&](const char *ptr, int len){
-                          if(first_frame){
-                              H264FrameInternal::Ptr sub_frame = std::make_shared<H264FrameInternal>(frame,
-                                                                                                     frame->data(),
-                                                                                                     len + frame->prefixSize(),
-                                                                                                     frame->prefixSize());
+            splitH264(frame->data(), frame->size(), frame->prefixSize(), [&](const char *ptr, int len, int prefix) {
+                H264FrameInternal::Ptr sub_frame = std::make_shared<H264FrameInternal>(frame, (char *)ptr, len, prefix);
                inputFrame_l(sub_frame);
-                              first_frame = false;
-                          }else{
-                              H264FrameInternal::Ptr sub_frame = std::make_shared<H264FrameInternal>(frame,
-                                                                                                     (char *)ptr,
-                                                                                                     len ,
-                                                                                                     3);
-                              inputFrame_l(sub_frame);
-                          }
            });
        } else{
            inputFrame_l(frame);
@ -302,6 +228,11 @@ private:
            }
                break;

+            case H264Frame::NAL_SEI:{
+                //忽略SEI
+                break;
+            }
+
            default:
                VideoTrack::inputFrame(frame);
                break;
@ -349,29 +280,27 @@ private:
    bool _last_frame_is_idr = false;
 };

-
 /**
 * h264类型sdp
 */
 class H264Sdp : public Sdp {
 public:
-
    /**
     *
     * @param sps 264 sps,不带0x00000001头
     * @param pps 264 pps,不带0x00000001头
-     * @param playload_type  rtp playload type 默认96
+     * @param payload_type  rtp payload type 默认96
     * @param bitrate 比特率
     */
    H264Sdp(const string &strSPS,
            const string &strPPS,
-            int playload_type = 96,
-            int bitrate = 4000) : Sdp(90000,playload_type) {
+            int payload_type = 96,
+            int bitrate = 4000) : Sdp(90000,payload_type) {
        //视频通道
-        _printer << "m=video 0 RTP/AVP " << playload_type << "\r\n";
+        _printer << "m=video 0 RTP/AVP " << payload_type << "\r\n";
        _printer << "b=AS:" << bitrate << "\r\n";
-        _printer << "a=rtpmap:" << playload_type << " H264/" << 90000 << "\r\n";
-        _printer << "a=fmtp:" << playload_type << " packetization-mode=1; profile-level-id=";
+        _printer << "a=rtpmap:" << payload_type << " H264/" << 90000 << "\r\n";
+        _printer << "a=fmtp:" << payload_type << " packetization-mode=1; profile-level-id=";

        char strTemp[100];
        uint32_t profile_level_id = 0;
@ -390,17 +319,13 @@ public:
        memset(strTemp, 0, 100);
        av_base64_encode(strTemp, 100, (uint8_t *) strPPS.data(), strPPS.size());
        _printer << strTemp << "\r\n";
-        _printer << "a=control:trackID=" << getTrackType() << "\r\n";
+        _printer << "a=control:trackID=" << (int)TrackVideo << "\r\n";
    }

    string getSdp() const override {
        return _printer;
    }

-    TrackType getTrackType() const override {
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override {
        return CodecH264;
    }
@ -408,8 +333,5 @@ private:
    _StrPrinter _printer;
 };

-
 }//namespace mediakit
-
-
 #endif //ZLMEDIAKIT_H264_H
--- a/src/Extension/H264Rtmp.h
+++ b/src/Extension/H264Rtmp.h
@ -36,10 +36,6 @@ public:
     */
    bool inputRtmp(const RtmpPacket::Ptr &rtmp, bool key_pos = true) override;

-    TrackType getTrackType() const override{
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override{
        return CodecH264;
    }
--- a/src/Extension/H264Rtp.cpp
+++ b/src/Extension/H264Rtp.cpp
@ -157,7 +157,7 @@ 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();
-                WarnL << "rtp sequence不连续: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
+                WarnL << "rtp丢包: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
                return false;
            }

@ -204,12 +204,12 @@ void H264RtpDecoder::onGetH264(const H264Frame::Ptr &frame) {
 H264RtpEncoder::H264RtpEncoder(uint32_t ui32Ssrc,
                               uint32_t ui32MtuSize,
                               uint32_t ui32SampleRate,
-                               uint8_t ui8PlayloadType,
+                               uint8_t ui8PayloadType,
                               uint8_t ui8Interleaved) :
        RtpInfo(ui32Ssrc,
                ui32MtuSize,
                ui32SampleRate,
-                ui8PlayloadType,
+                ui8PayloadType,
                ui8Interleaved) {
 }

--- a/src/Extension/H264Rtp.h
+++ b/src/Extension/H264Rtp.h
@ -38,10 +38,6 @@ public:
     */
    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override;

-    TrackType getTrackType() const override{
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override{
        return CodecH264;
    }
@ -66,13 +62,13 @@ public:
     * @param ui32Ssrc ssrc
     * @param ui32MtuSize mtu大小
     * @param ui32SampleRate 采样率，强制为90000
-     * @param ui8PlayloadType pt类型
+     * @param ui8PayloadType pt类型
     * @param ui8Interleaved rtsp interleaved
     */
    H264RtpEncoder(uint32_t ui32Ssrc,
                   uint32_t ui32MtuSize = 1400,
                   uint32_t ui32SampleRate = 90000,
-                   uint8_t ui8PlayloadType = 96,
+                   uint8_t ui8PayloadType = 96,
                   uint8_t ui8Interleaved = TrackVideo * 2);
    ~H264RtpEncoder() {}

--- a/src/Extension/H265.h
+++ b/src/Extension/H265.h
@ -25,7 +25,7 @@ bool getHEVCInfo(const string &strVps, const string &strSps, int &iVideoWidth, i
 /**
 * 265帧类
 */
-class H265Frame : public Frame {
+class H265Frame : public FrameImp {
 public:
    typedef std::shared_ptr<H265Frame> Ptr;

@ -60,32 +60,8 @@ public:
        NAL_SEI_SUFFIX = 40,
    } NaleType;

-    char *data() const override {
-        return (char *) _buffer.data();
-    }
-
-    uint32_t size() const override {
-        return _buffer.size();
-    }
-
-    uint32_t dts() const override {
-        return _dts;
-    }
-
-    uint32_t pts() const override {
-        return _pts ? _pts : _dts;
-    }
-
-    uint32_t prefixSize() const override {
-        return _prefix_size;
-    }
-
-    TrackType getTrackType() const override {
-        return TrackVideo;
-    }
-
-    CodecId getCodecId() const override {
-        return CodecH265;
+    H265Frame(){
+        _codecid = CodecH265;
    }

    bool keyFrame() const override {
@ -96,39 +72,26 @@ public:
        switch(H265_TYPE(_buffer[_prefix_size])){
            case H265Frame::NAL_VPS:
            case H265Frame::NAL_SPS:
-            case H265Frame::NAL_PPS:
-                return true;
-            default:
-                return false;
+            case H265Frame::NAL_PPS : return true;
+            default : return false;
        }
    }

    static bool isKeyFrame(int type) {
        return type >= NAL_BLA_W_LP && type <= NAL_RSV_IRAP_VCL23;
    }
-
-public:
-    uint32_t _dts = 0;
-    uint32_t _pts = 0;
-    uint32_t _prefix_size = 4;
-    string _buffer;
 };

-
-class H265FrameNoCacheAble : public FrameNoCacheAble {
+class H265FrameNoCacheAble : public FrameFromPtr {
 public:
    typedef std::shared_ptr<H265FrameNoCacheAble> Ptr;

-    H265FrameNoCacheAble(char *ptr, uint32_t size, uint32_t dts,uint32_t pts, int prefixeSize = 4) {
+    H265FrameNoCacheAble(char *ptr, uint32_t size, uint32_t dts,uint32_t pts, int prefix_size = 4) {
        _ptr = ptr;
        _size = size;
        _dts = dts;
        _pts = pts;
-        _prefixSize = prefixeSize;
-    }
-
-    TrackType getTrackType() const override {
-        return TrackVideo;
+        _prefix_size = prefix_size;
    }

    CodecId getCodecId() const override {
@ -136,17 +99,15 @@ public:
    }

    bool keyFrame() const override {
-        return H265Frame::isKeyFrame(H265_TYPE(((uint8_t *) _ptr)[_prefixSize]));
+        return H265Frame::isKeyFrame(H265_TYPE(((uint8_t *) _ptr)[_prefix_size]));
    }

    bool configFrame() const override{
-        switch(H265_TYPE(((uint8_t *) _ptr)[_prefixSize])){
+        switch(H265_TYPE(((uint8_t *) _ptr)[_prefix_size])){
            case H265Frame::NAL_VPS:
            case H265Frame::NAL_SPS:
-            case H265Frame::NAL_PPS:
-                return true;
-            default:
-                return false;
+            case H265Frame::NAL_PPS:return true;
+            default:return false;
        }
    }
 };
@ -184,7 +145,6 @@ public:

    /**
     * 返回不带0x00 00 00 01头的vps
-     * @return
     */
    const string &getVps() const {
        return _vps;
@ -192,7 +152,6 @@ public:

    /**
     * 返回不带0x00 00 00 01头的sps
-     * @return
     */
    const string &getSps() const {
        return _sps;
@ -200,7 +159,6 @@ public:

    /**
     * 返回不带0x00 00 00 01头的pps
-     * @return
     */
    const string &getPps() const {
        return _pps;
@ -212,7 +170,6 @@ public:

    /**
     * 返回视频高度
-     * @return
     */
    int getVideoHeight() const override{
        return _height ;
@ -220,7 +177,6 @@ public:

    /**
     * 返回视频宽度
-     * @return
     */
    int getVideoWidth() const override{
        return _width;
@ -228,7 +184,6 @@ public:

    /**
     * 返回视频fps
-     * @return
     */
    float getVideoFps() const override{
        return _fps;
@ -238,32 +193,16 @@ public:
        return !_vps.empty() && !_sps.empty() && !_pps.empty();
    }

-
    /**
     * 输入数据帧,并获取sps pps
     * @param frame 数据帧
     */
    void inputFrame(const Frame::Ptr &frame) override{
        int type = H265_TYPE(*((uint8_t *)frame->data() + frame->prefixSize()));
-        if(frame->configFrame()){
-            bool  first_frame = true;
-            splitH264(frame->data() + frame->prefixSize(),
-                  frame->size() - frame->prefixSize(),
-                  [&](const char *ptr, int len){
-                      if(first_frame){
-                          H265FrameInternal::Ptr sub_frame = std::make_shared<H265FrameInternal>(frame,
-                                                                                                 frame->data(),
-                                                                                                 len + frame->prefixSize(),
-                                                                                                 frame->prefixSize());
+        if(frame->configFrame() || type == H265Frame::NAL_SEI_PREFIX){
+            splitH264(frame->data(), frame->size(), frame->prefixSize(), [&](const char *ptr, int len, int prefix){
+                H265FrameInternal::Ptr sub_frame = std::make_shared<H265FrameInternal>(frame, (char*)ptr, len, prefix);
                inputFrame_l(sub_frame);
-                          first_frame = false;
-                      }else{
-                          H265FrameInternal::Ptr sub_frame = std::make_shared<H265FrameInternal>(frame,
-                                                                                                 (char *)ptr,
-                                                                                                 len ,
-                                                                                                 3);
-                          inputFrame_l(sub_frame);
-                      }
            });
        } else {
            inputFrame_l(frame);
@ -367,47 +306,41 @@ private:
    bool _last_frame_is_idr = false;
 };

-
 /**
 * h265类型sdp
 */
 class H265Sdp : public Sdp {
 public:
-
    /**
-     *
+     * 构造函数
     * @param sps 265 sps,不带0x00000001头
     * @param pps 265 pps,不带0x00000001头
-     * @param playload_type  rtp playload type 默认96
+     * @param payload_type  rtp payload type 默认96
     * @param bitrate 比特率
     */
    H265Sdp(const string &strVPS,
            const string &strSPS,
            const string &strPPS,
-            int playload_type = 96,
-            int bitrate = 4000) : Sdp(90000,playload_type) {
+            int payload_type = 96,
+            int bitrate = 4000) : Sdp(90000,payload_type) {
        //视频通道
-        _printer << "m=video 0 RTP/AVP " << playload_type << "\r\n";
+        _printer << "m=video 0 RTP/AVP " << payload_type << "\r\n";
        _printer << "b=AS:" << bitrate << "\r\n";
-        _printer << "a=rtpmap:" << playload_type << " H265/" << 90000 << "\r\n";
-        _printer << "a=fmtp:" << playload_type << " ";
+        _printer << "a=rtpmap:" << payload_type << " H265/" << 90000 << "\r\n";
+        _printer << "a=fmtp:" << payload_type << " ";
        _printer << "sprop-vps=";
        _printer << encodeBase64(strVPS) << "; ";
        _printer << "sprop-sps=";
        _printer << encodeBase64(strSPS) << "; ";
        _printer << "sprop-pps=";
        _printer << encodeBase64(strPPS) << "\r\n";
-        _printer << "a=control:trackID=" << getTrackType() << "\r\n";
+        _printer << "a=control:trackID=" << (int)TrackVideo << "\r\n";
    }

    string getSdp() const override {
        return _printer;
    }

-    TrackType getTrackType() const override {
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override {
        return CodecH265;
    }
@ -415,9 +348,5 @@ private:
    _StrPrinter _printer;
 };

-
-    
 }//namespace mediakit
-
-
 #endif //ZLMEDIAKIT_H265_H
--- a/src/Extension/H265Rtmp.h
+++ b/src/Extension/H265Rtmp.h
@ -36,10 +36,6 @@ public:
     */
    bool inputRtmp(const RtmpPacket::Ptr &rtmp, bool key_pos = true) override;

-    TrackType getTrackType() const override{
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override{
        return CodecH265;
    }
--- a/src/Extension/H265Rtp.cpp
+++ b/src/Extension/H265Rtp.cpp
@ -96,7 +96,7 @@ 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();
-                WarnL << "rtp sequence不连续: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
+                WarnL << "rtp丢包: " << rtppack->sequence << " != " << _lastSeq << " + 1,该帧被废弃";
                return false;
            }

@ -140,12 +140,12 @@ void H265RtpDecoder::onGetH265(const H265Frame::Ptr &frame) {
 H265RtpEncoder::H265RtpEncoder(uint32_t ui32Ssrc,
                               uint32_t ui32MtuSize,
                               uint32_t ui32SampleRate,
-                               uint8_t ui8PlayloadType,
+                               uint8_t ui8PayloadType,
                               uint8_t ui8Interleaved) :
        RtpInfo(ui32Ssrc,
                ui32MtuSize,
                ui32SampleRate,
-                ui8PlayloadType,
+                ui8PayloadType,
                ui8Interleaved) {
 }

--- a/src/Extension/H265Rtp.h
+++ b/src/Extension/H265Rtp.h
@ -39,10 +39,6 @@ public:
     */
    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = true) override;

-    TrackType getTrackType() const override{
-        return TrackVideo;
-    }
-
    CodecId getCodecId() const override{
        return CodecH265;
    }
@ -67,13 +63,13 @@ public:
     * @param ui32Ssrc ssrc
     * @param ui32MtuSize mtu大小
     * @param ui32SampleRate 采样率，强制为90000
-     * @param ui8PlayloadType pt类型
+     * @param ui8PayloadType pt类型
     * @param ui8Interleaved rtsp interleaved
     */
    H265RtpEncoder(uint32_t ui32Ssrc,
                   uint32_t ui32MtuSize = 1400,
                   uint32_t ui32SampleRate = 90000,
-                   uint8_t ui8PlayloadType = 96,
+                   uint8_t ui8PayloadType = 96,
                   uint8_t ui8Interleaved = TrackVideo * 2);
    ~H265RtpEncoder() {}

--- a/src/Extension/Opus.cpp
+++ b/src/Extension/Opus.cpp
@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "Opus.h"
+
+namespace mediakit{
+
+Sdp::Ptr OpusTrack::getSdp() {
+    if(!ready()){
+        WarnL << getCodecName() << " Track未准备好";
+        return nullptr;
+    }
+    return std::make_shared<OpusSdp>(getAudioSampleRate(), getAudioChannel());
+}
+
+}//namespace mediakit
--- a/src/Extension/Opus.h
+++ b/src/Extension/Opus.h
@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef ZLMEDIAKIT_OPUS_H
+#define ZLMEDIAKIT_OPUS_H
+
+#include "Frame.h"
+#include "Track.h"
+
+namespace mediakit{
+
+/**
+ * Opus帧
+ */
+class OpusFrame : public FrameImp {
+public:
+    typedef std::shared_ptr<OpusFrame> Ptr;
+
+    OpusFrame(){
+        _codecid = CodecOpus;
+    }
+};
+
+/**
+ * 不可缓存的Opus帧
+ */
+class OpusFrameNoCacheAble : public FrameFromPtr {
+public:
+    typedef std::shared_ptr<OpusFrameNoCacheAble> Ptr;
+
+    OpusFrameNoCacheAble(char *ptr,uint32_t size,uint32_t dts, uint32_t pts = 0,int prefix_size = 0){
+        _ptr = ptr;
+        _size = size;
+        _dts = dts;
+        _prefix_size = prefix_size;
+    }
+
+    CodecId getCodecId() const override{
+        return CodecOpus;
+    }
+
+    bool keyFrame() const override {
+        return false;
+    }
+
+    bool configFrame() const override{
+        return false;
+    }
+};
+
+/**
+ * Opus帧音频通道
+ */
+class OpusTrack : public AudioTrackImp{
+public:
+    typedef std::shared_ptr<OpusTrack> Ptr;
+    OpusTrack(int sample_rate, int channels, int sample_bit) : AudioTrackImp(CodecOpus,sample_rate,channels,sample_bit){}
+
+private:
+    //克隆该Track
+    Track::Ptr clone() override {
+        return std::make_shared<std::remove_reference<decltype(*this)>::type >(*this);
+    }
+    //生成sdp
+    Sdp::Ptr getSdp() override ;
+};
+
+/**
+ * Opus类型SDP
+ */
+class OpusSdp : public Sdp {
+public:
+    /**
+     * 构造opus sdp
+     * @param sample_rate 音频采样率
+     * @param payload_type rtp payload
+     * @param bitrate 比特率
+     */
+    OpusSdp(int sample_rate,
+            int channels,
+            int payload_type = 98,
+            int bitrate = 128) : Sdp(sample_rate,payload_type){
+        _printer << "m=audio 0 RTP/AVP " << payload_type << "\r\n";
+        _printer << "a=rtpmap:" << payload_type << " opus/" << sample_rate  << "/" << channels << "\r\n";
+        _printer << "a=control:trackID=" << (int)TrackAudio << "\r\n";
+    }
+
+    string getSdp() const override {
+        return _printer;
+    }
+
+    CodecId getCodecId() const override {
+        return CodecOpus;
+    }
+private:
+    _StrPrinter _printer;
+};
+
+}//namespace mediakit
+#endif //ZLMEDIAKIT_OPUS_H
--- a/src/Extension/Track.h
+++ b/src/Extension/Track.h
@ -65,8 +65,6 @@ class VideoTrack : public Track {
 public:
    typedef std::shared_ptr<VideoTrack> Ptr;

-    TrackType getTrackType() const override { return TrackVideo;};
-
    /**
     * 返回视频高度
     * @return
@ -93,8 +91,6 @@ class AudioTrack : public Track {
 public:
    typedef std::shared_ptr<AudioTrack> Ptr;

-    TrackType getTrackType() const override { return TrackAudio;};
-
    /**
     * 返回音频采样率
     * @return
@ -114,6 +110,64 @@ public:
    virtual int getAudioChannel() const {return 0;};
 };

+class AudioTrackImp : public AudioTrack{
+public:
+    typedef std::shared_ptr<AudioTrackImp> Ptr;
+
+    /**
+     * 构造函数
+     * @param codecId 编码类型
+     * @param sample_rate 采样率(HZ)
+     * @param channels 通道数
+     * @param sample_bit 采样位数，一般为16
+     */
+    AudioTrackImp(CodecId codecId,int sample_rate, int channels, int sample_bit){
+        _codecid = codecId;
+        _sample_rate = sample_rate;
+        _channels = channels;
+        _sample_bit = sample_bit;
+    }
+
+    /**
+     * 返回编码类型
+     */
+    CodecId getCodecId() const override{
+        return _codecid;
+    }
+
+    /**
+     * 是否已经初始化
+     */
+    bool ready() override {
+        return true;
+    }
+
+    /**
+     * 返回音频采样率
+     */
+    int getAudioSampleRate() const override{
+        return _sample_rate;
+    }
+
+    /**
+     * 返回音频采样位数，一般为16或8
+     */
+    int getAudioSampleBit() const override{
+        return _sample_bit;
+    }
+
+    /**
+     * 返回音频通道数
+     */
+    int getAudioChannel() const override{
+        return _channels;
+    }
+private:
+    CodecId _codecid;
+    int _sample_rate;
+    int _channels;
+    int _sample_bit;
+};

 class TrackSource{
 public:
@ -123,7 +177,6 @@ public:
    /**
     * 获取全部的Track
     * @param trackReady 是否获取全部已经准备好的Track
-     * @return
     */
    virtual vector<Track::Ptr> getTracks(bool trackReady = true) const = 0;

@ -131,7 +184,6 @@ public:
     * 获取特定Track
     * @param type track类型
     * @param trackReady 是否获取全部已经准备好的Track
-     * @return
     */
    Track::Ptr getTrack(TrackType type , bool trackReady = true) const {
        auto tracks = getTracks(trackReady);
@ -145,5 +197,4 @@ public:
 };

 }//namespace mediakit
-
 #endif //ZLMEDIAKIT_TRACK_H
--- a/src/Http/HlsParser.cpp
+++ b/src/Http/HlsParser.cpp
@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <cstdlib>
+#include "HlsParser.h"
+#include "Util/util.h"
+#include "Common/Parser.h"
+using namespace toolkit;
+namespace mediakit {
+
+bool HlsParser::parse(const string &http_url, const string &m3u8) {
+    float extinf_dur = 0;
+    ts_segment segment;
+    map<int, ts_segment> ts_map;
+    _total_dur = 0;
+    _is_live = true;
+    _is_m3u8_inner = false;
+    int index = 0;
+
+    auto lines = split(m3u8, "\n");
+    for (auto &line : lines) {
+        trim(line);
+        if (line.size() < 2) {
+            continue;
+        }
+
+        if ((_is_m3u8_inner || extinf_dur != 0) && line[0] != '#') {
+            segment.duration = extinf_dur;
+            if (line.find("http://") == 0 || line.find("https://") == 0) {
+                segment.url = line;
+            } else {
+                if (line.find("/") == 0) {
+                    segment.url = http_url.substr(0, http_url.find("/", 8)) + line;
+                } else {
+                    segment.url = http_url.substr(0, http_url.rfind("/") + 1) + line;
+                }
+            }
+            if (!_is_m3u8_inner) {
+                //ts按照先后顺序排序
+                ts_map.emplace(index++, segment);
+            } else {
+                //子m3u8按照带宽排序
+                ts_map.emplace(segment.bandwidth, segment);
+            }
+            extinf_dur = 0;
+            continue;
+        }
+
+        _is_m3u8_inner = false;
+        if (line.find("#EXTINF:") == 0) {
+            sscanf(line.data(), "#EXTINF:%f,", &extinf_dur);
+            _total_dur += extinf_dur;
+            continue;
+        }
+        static const string s_stream_inf = "#EXT-X-STREAM-INF:";
+        if (line.find(s_stream_inf) == 0) {
+            _is_m3u8_inner = true;
+            auto key_val = Parser::parseArgs(line.substr(s_stream_inf.size()), ",", "=");
+            segment.program_id = atoi(key_val["PROGRAM-ID"].data());
+            segment.bandwidth = atoi(key_val["BANDWIDTH"].data());
+            sscanf(key_val["RESOLUTION"].data(), "%dx%d", &segment.width, &segment.height);
+            continue;
+        }
+
+        if (line == "#EXTM3U") {
+            _is_m3u8 = true;
+            continue;
+        }
+
+        if (line.find("#EXT-X-ALLOW-CACHE:") == 0) {
+            _allow_cache = (line.find(":YES") != string::npos);
+            continue;
+        }
+
+        if (line.find("#EXT-X-VERSION:") == 0) {
+            sscanf(line.data(), "#EXT-X-VERSION:%d", &_version);
+            continue;
+        }
+
+        if (line.find("#EXT-X-TARGETDURATION:") == 0) {
+            sscanf(line.data(), "#EXT-X-TARGETDURATION:%d", &_target_dur);
+            continue;
+        }
+
+        if (line.find("#EXT-X-MEDIA-SEQUENCE:") == 0) {
+            sscanf(line.data(), "#EXT-X-MEDIA-SEQUENCE:%lld", &_sequence);
+            continue;
+        }
+
+        if (line.find("#EXT-X-ENDLIST") == 0) {
+            //点播
+            _is_live = false;
+            continue;
+        }
+        continue;
+    }
+
+    if (_is_m3u8) {
+        onParsed(_is_m3u8_inner, _sequence, ts_map);
+    }
+    return _is_m3u8;
+}
+
+bool HlsParser::isM3u8() const {
+    return _is_m3u8;
+}
+
+bool HlsParser::isLive() const{
+    return _is_live;
+}
+
+bool HlsParser::allowCache() const {
+    return _allow_cache;
+}
+
+int HlsParser::getVersion() const {
+    return _version;
+}
+
+int HlsParser::getTargetDur() const {
+    return _target_dur;
+}
+
+int HlsParser::getSequence() const {
+    return _sequence;
+}
+
+bool HlsParser::isM3u8Inner() const {
+    return _is_m3u8_inner;
+}
+
+}//namespace mediakit
--- a/src/Http/HlsParser.h
+++ b/src/Http/HlsParser.h
@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef HTTP_HLSPARSER_H
+#define HTTP_HLSPARSER_H
+
+#include <string>
+#include <list>
+#include <map>
+using namespace std;
+namespace mediakit {
+
+typedef struct{
+    //url地址
+    string url;
+    //ts切片长度
+    float duration;
+
+    //////内嵌m3u8//////
+    //节目id
+    int program_id;
+    //带宽
+    int bandwidth;
+    //宽度
+    int width;
+    //高度
+    int height;
+} ts_segment;
+
+class HlsParser {
+public:
+    HlsParser(){}
+    ~HlsParser(){}
+    bool parse(const string &http_url,const string &m3u8);
+
+    /**
+     * 是否存在#EXTM3U字段，是否为m3u8文件
+     */
+    bool isM3u8() const;
+
+    /**
+     * #EXT-X-ALLOW-CACHE值，是否允许cache
+     */
+    bool allowCache() const;
+
+    /**
+     * 是否存在#EXT-X-ENDLIST字段，是否为直播
+     */
+    bool isLive() const ;
+
+    /**
+     * #EXT-X-VERSION值，版本号
+     */
+    int getVersion() const;
+
+    /**
+     * #EXT-X-TARGETDURATION字段值
+     */
+    int getTargetDur() const;
+
+    /**
+     * #EXT-X-MEDIA-SEQUENCE字段值，该m3u8序号
+     */
+    int getSequence() const;
+
+    /**
+     * 内部是否含有子m3u8
+     */
+    bool isM3u8Inner() const;
+
+protected:
+    //解析出ts文件地址回调
+    virtual void onParsed(bool is_m3u8_inner,int64_t sequence,const map<int,ts_segment> &ts_list) {};
+
+private:
+    bool _is_m3u8 = false;
+    bool _allow_cache = false;
+    bool _is_live = true;
+    int _version = 0;
+    int _target_dur = 0;
+    float _total_dur = 0;
+    int64_t _sequence = 0;
+    //每部是否有m3u8
+    bool _is_m3u8_inner = false;
+};
+
+}//namespace mediakit
+#endif //HTTP_HLSPARSER_H
--- a/src/Http/HlsPlayer.cpp
+++ b/src/Http/HlsPlayer.cpp
@ -0,0 +1,317 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "HlsPlayer.h"
+namespace mediakit {
+
+HlsPlayer::HlsPlayer(const EventPoller::Ptr &poller){
+    _segment.setOnSegment([this](const char *data, uint64_t len) { onPacket(data, len); });
+    _poller = poller ? poller : EventPollerPool::Instance().getPoller();
+}
+
+HlsPlayer::~HlsPlayer() {}
+
+void HlsPlayer::play(const string &strUrl) {
+    _m3u8_list.emplace_back(strUrl);
+    play_l();
+}
+
+void HlsPlayer::play_l(){
+    if (_m3u8_list.empty()) {
+        teardown_l(SockException(Err_shutdown, "所有hls url都尝试播放失败!"));
+        return;
+    }
+    float playTimeOutSec = (*this)[Client::kTimeoutMS].as<int>() / 1000.0;
+    setMethod("GET");
+    if(!(*this)[kNetAdapter].empty()) {
+        setNetAdapter((*this)[kNetAdapter]);
+    }
+    sendRequest(_m3u8_list.back(), playTimeOutSec);
+}
+
+void HlsPlayer::teardown_l(const SockException &ex){
+    _timer.reset();
+    _timer_ts.reset();
+    _http_ts_player.reset();
+    shutdown(ex);
+}
+
+void HlsPlayer::teardown() {
+    teardown_l(SockException(Err_shutdown,"teardown"));
+}
+
+void HlsPlayer::playNextTs(bool force){
+    if (_ts_list.empty()) {
+        //播放列表为空，那么立即重新下载m3u8文件
+        _timer.reset();
+        play_l();
+        return;
+    }
+    if (!force && _http_ts_player && _http_ts_player->alive()) {
+        //播放器目前还存活，正在下载中
+        return;
+    }
+    auto ts_duration = _ts_list.front().duration * 1000;
+    weak_ptr<HlsPlayer> weakSelf = dynamic_pointer_cast<HlsPlayer>(shared_from_this());
+    std::shared_ptr<Ticker> ticker(new Ticker);
+
+    _http_ts_player = std::make_shared<HttpTSPlayer>(getPoller(), false);
+    _http_ts_player->setOnDisconnect([weakSelf, ticker, ts_duration](const SockException &err) {
+        auto strongSelf = weakSelf.lock();
+        if (!strongSelf) {
+            return;
+        }
+        auto delay = ts_duration - 500 - ticker->elapsedTime();
+        if (delay <= 0) {
+            //播放这个ts切片花费了太长时间，我们立即下一个切片的播放
+            strongSelf->playNextTs(true);
+        } else {
+            //下一个切片慢点播放
+            strongSelf->_timer_ts.reset(new Timer(delay / 1000.0, [weakSelf, delay]() {
+                auto strongSelf = weakSelf.lock();
+                if (!strongSelf) {
+                    return false;
+                }
+                strongSelf->playNextTs(true);
+                return false;
+            }, strongSelf->getPoller()));
+        }
+    });
+    _http_ts_player->setOnPacket([weakSelf](const char *data, uint64_t len) {
+        auto strongSelf = weakSelf.lock();
+        if (!strongSelf) {
+            return;
+        }
+        //收到ts包
+        strongSelf->onPacket_l(data, len);
+    });
+
+    _http_ts_player->setMethod("GET");
+    if(!(*this)[kNetAdapter].empty()) {
+        _http_ts_player->setNetAdapter((*this)[Client::kNetAdapter]);
+    }
+    _http_ts_player->sendRequest(_ts_list.front().url, 2 * _ts_list.front().duration);
+    _ts_list.pop_front();
+}
+
+void HlsPlayer::onParsed(bool is_m3u8_inner,int64_t sequence,const map<int,ts_segment> &ts_map){
+    if (!is_m3u8_inner) {
+        //这是ts播放列表
+        if (_last_sequence == sequence) {
+            return;
+        }
+        _last_sequence = sequence;
+        for (auto &pr : ts_map) {
+            auto &ts = pr.second;
+            if (_ts_url_cache.emplace(ts.url).second) {
+                //该ts未重复
+                _ts_list.emplace_back(ts);
+                //按时间排序
+                _ts_url_sort.emplace_back(ts.url);
+            }
+        }
+        if (_ts_url_sort.size() > 2 * ts_map.size()) {
+            //去除防重列表中过多的数据
+            _ts_url_cache.erase(_ts_url_sort.front());
+            _ts_url_sort.pop_front();
+        }
+        playNextTs();
+    } else {
+        //这是m3u8列表,我们播放最高清的子hls
+        if (ts_map.empty()) {
+            teardown_l(SockException(Err_shutdown, StrPrinter << "empty sub hls list:" + getUrl()));
+            return;
+        }
+        _timer.reset();
+
+        weak_ptr<HlsPlayer> weakSelf = dynamic_pointer_cast<HlsPlayer>(shared_from_this());
+        auto url = ts_map.rbegin()->second.url;
+        getPoller()->async([weakSelf, url]() {
+            auto strongSelf = weakSelf.lock();
+            if (strongSelf) {
+                strongSelf->play(url);
+            }
+        }, false);
+    }
+}
+
+int64_t HlsPlayer::onResponseHeader(const string &status, const HttpClient::HttpHeader &headers) {
+    if (status != "200" && status != "206") {
+        //失败
+        teardown_l(SockException(Err_shutdown, StrPrinter << "bad http status code:" + status));
+        return 0;
+    }
+    auto contet_type = const_cast< HttpClient::HttpHeader &>(headers)["Content-Type"];
+    _is_m3u8 = (contet_type.find("application/vnd.apple.mpegurl") == 0);
+    return -1;
+}
+
+void HlsPlayer::onResponseBody(const char *buf, int64_t size, int64_t recvedSize, int64_t totalSize) {
+    if (recvedSize == size) {
+        //刚开始
+        _m3u8.clear();
+    }
+    _m3u8.append(buf, size);
+}
+
+void HlsPlayer::onResponseCompleted() {
+    if (HlsParser::parse(getUrl(), _m3u8)) {
+        playDelay();
+        if (_first) {
+            _first = false;
+            onPlayResult(SockException(Err_success, "play success"));
+        }
+    } else {
+        teardown_l(SockException(Err_shutdown, "解析m3u8文件失败"));
+    }
+}
+
+float HlsPlayer::delaySecond(){
+    if (HlsParser::isM3u8() && HlsParser::getTargetDur() > 0) {
+        return HlsParser::getTargetDur();
+    }
+    return 1;
+}
+
+void HlsPlayer::onDisconnect(const SockException &ex) {
+    if (_first) {
+        //第一次失败，则播放失败
+        _first = false;
+        onPlayResult(ex);
+        return;
+    }
+
+    //主动shutdown
+    if (ex.getErrCode() == Err_shutdown) {
+        if (_m3u8_list.size() <= 1) {
+            //全部url都播放失败
+            onShutdown(ex);
+        } else {
+            _m3u8_list.pop_back();
+            //还有上一级url可以重试播放
+            play_l();
+        }
+        return;
+    }
+
+    //eof等，之后播放失败，那么重试播放m3u8
+    playDelay();
+}
+
+bool HlsPlayer::onRedirectUrl(const string &url,bool temporary) {
+    _m3u8_list.emplace_back(url);
+    return true;
+}
+
+void HlsPlayer::playDelay(){
+    weak_ptr<HlsPlayer> weakSelf = dynamic_pointer_cast<HlsPlayer>(shared_from_this());
+    _timer.reset(new Timer(delaySecond(), [weakSelf]() {
+        auto strongSelf = weakSelf.lock();
+        if (strongSelf) {
+            strongSelf->play_l();
+        }
+        return false;
+    }, getPoller()));
+}
+
+void HlsPlayer::onPacket_l(const char *data, uint64_t len){
+    _segment.input(data,len);
+}
+
+//////////////////////////////////////////////////////////////////////////
+
+HlsPlayerImp::HlsPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<HlsPlayer, PlayerBase>(poller) {
+
+}
+
+void HlsPlayerImp::setOnPacket(const TSSegment::onSegment &cb){
+    _on_ts = cb;
+}
+
+void HlsPlayerImp::onPacket(const char *data,uint64_t len) {
+    if (_on_ts) {
+        _on_ts(data, len);
+    }
+
+    if (!_decoder) {
+        _decoder = DecoderImp::createDecoder(DecoderImp::decoder_ts, this);
+    }
+
+    if (_decoder) {
+        _decoder->input((uint8_t *) data, len);
+    }
+}
+
+void HlsPlayerImp::onAllTrackReady() {
+    PlayerImp<HlsPlayer, PlayerBase>::onPlayResult(SockException(Err_success,"play hls success"));
+}
+
+void HlsPlayerImp::onPlayResult(const SockException &ex) {
+    if(ex){
+        PlayerImp<HlsPlayer, PlayerBase>::onPlayResult(ex);
+    }else{
+        _stamp[TrackAudio].syncTo(_stamp[TrackVideo]);
+        _ticker.resetTime();
+        weak_ptr<HlsPlayerImp> weakSelf = dynamic_pointer_cast<HlsPlayerImp>(shared_from_this());
+        //每50毫秒执行一次
+        _timer = std::make_shared<Timer>(0.05, [weakSelf]() {
+            auto strongSelf = weakSelf.lock();
+            if (!strongSelf) {
+                return false;
+            }
+            strongSelf->onTick();
+            return true;
+        }, getPoller());
+    }
+}
+
+void HlsPlayerImp::onShutdown(const SockException &ex) {
+    PlayerImp<HlsPlayer, PlayerBase>::onShutdown(ex);
+    _timer = nullptr;
+}
+
+vector<Track::Ptr> HlsPlayerImp::getTracks(bool trackReady) const {
+    return MediaSink::getTracks(trackReady);
+}
+
+void HlsPlayerImp::inputFrame(const Frame::Ptr &frame) {
+    //计算相对时间戳
+    int64_t dts, pts;
+    _stamp[frame->getTrackType()].revise(frame->dts(), frame->pts(), dts, pts);
+    //根据时间戳缓存frame
+    _frame_cache.emplace(dts, Frame::getCacheAbleFrame(frame));
+
+    while (!_frame_cache.empty()) {
+        if (_frame_cache.rbegin()->first - _frame_cache.begin()->first > 30 * 1000) {
+            //缓存超过30秒，强制消费掉
+            MediaSink::inputFrame(_frame_cache.begin()->second);
+            _frame_cache.erase(_frame_cache.begin());
+            continue;
+        }
+        //缓存小于30秒
+        break;
+    }
+}
+
+void HlsPlayerImp::onTick() {
+    auto it = _frame_cache.begin();
+    while (it != _frame_cache.end()) {
+        if (it->first > _ticker.elapsedTime()) {
+            //这些帧还未到时间播放
+            break;
+        }
+        //消费掉已经到期的帧
+        MediaSink::inputFrame(it->second);
+        it = _frame_cache.erase(it);
+    }
+}
+
+
+}//namespace mediakit
--- a/src/Http/HlsPlayer.h
+++ b/src/Http/HlsPlayer.h
@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef HTTP_HLSPLAYER_H
+#define HTTP_HLSPLAYER_H
+
+#include <unordered_set>
+#include "Util/util.h"
+#include "Poller/Timer.h"
+#include "Http/HttpDownloader.h"
+#include "Player/MediaPlayer.h"
+#include "HlsParser.h"
+#include "HttpTSPlayer.h"
+#include "Rtp/Decoder.h"
+#include "Rtp/TSDecoder.h"
+
+using namespace toolkit;
+namespace mediakit {
+
+class HlsPlayer : public  HttpClientImp , public PlayerBase , public HlsParser{
+public:
+    HlsPlayer(const EventPoller::Ptr &poller);
+    ~HlsPlayer() override;
+
+    /**
+     * 开始播放
+     * @param strUrl
+     */
+    void play(const string &strUrl) override;
+
+    /**
+     * 停止播放
+     */
+    void teardown() override;
+
+protected:
+    /**
+     * 收到ts包
+     * @param data ts数据负载
+     * @param len ts包长度
+     */
+    virtual void onPacket(const char *data, uint64_t len) = 0;
+
+private:
+    /**
+     * 解析m3u8成功
+     * @param is_m3u8_inner 是否为m3u8列表
+     * @param sequence ts列表seq
+     * @param ts_map ts列表或m3u8列表
+     */
+    void onParsed(bool is_m3u8_inner,int64_t sequence,const map<int,ts_segment> &ts_map) override;
+    /**
+     * 收到http回复头
+     * @param status 状态码，譬如:200 OK
+     * @param headers http头
+     * @return 返回后续content的长度；-1:后续数据全是content；>=0:固定长度content
+     *          需要指出的是，在http头中带有Content-Length字段时，该返回值无效
+     */
+    int64_t onResponseHeader(const string &status,const HttpHeader &headers) override;
+    /**
+     * 收到http conten数据
+     * @param buf 数据指针
+     * @param size 数据大小
+     * @param recvedSize 已收数据大小(包含本次数据大小),当其等于totalSize时将触发onResponseCompleted回调
+     * @param totalSize 总数据大小
+     */
+    void onResponseBody(const char *buf,int64_t size,int64_t recvedSize,int64_t totalSize) override;
+
+    /**
+     * 接收http回复完毕,
+     */
+    void onResponseCompleted() override;
+
+    /**
+     * http链接断开回调
+     * @param ex 断开原因
+     */
+    void onDisconnect(const SockException &ex) override;
+
+    /**
+     * 重定向事件
+     * @param url 重定向url
+     * @param temporary 是否为临时重定向
+     * @return 是否继续
+     */
+    bool onRedirectUrl(const string &url,bool temporary) override;
+
+private:
+    void playDelay();
+    float delaySecond();
+    void playNextTs(bool force = false);
+    void teardown_l(const SockException &ex);
+    void play_l();
+    void onPacket_l(const char *data, uint64_t len);
+
+private:
+    struct UrlComp {
+        //url忽略？后面的参数
+        bool operator()(const string& __x, const string& __y) const {
+            return split(__x,"?")[0] < split(__y,"?")[0];
+        }
+    };
+
+private:
+    bool _is_m3u8 = false;
+    bool _first = true;
+    int64_t _last_sequence = -1;
+    string _m3u8;
+    Timer::Ptr _timer;
+    Timer::Ptr _timer_ts;
+    list<ts_segment> _ts_list;
+    list<string> _ts_url_sort;
+    list<string> _m3u8_list;
+    set<string, UrlComp> _ts_url_cache;
+    HttpTSPlayer::Ptr _http_ts_player;
+    TSSegment _segment;
+};
+
+class HlsPlayerImp : public PlayerImp<HlsPlayer, PlayerBase> , public MediaSink{
+public:
+    typedef std::shared_ptr<HlsPlayerImp> Ptr;
+    HlsPlayerImp(const EventPoller::Ptr &poller = nullptr);
+    ~HlsPlayerImp() override {};
+    void setOnPacket(const TSSegment::onSegment &cb);
+
+private:
+    void onPacket(const char *data, uint64_t len) override;
+    void onAllTrackReady() override;
+    void onPlayResult(const SockException &ex) override;
+    vector<Track::Ptr> getTracks(bool trackReady = true) const override;
+    void inputFrame(const Frame::Ptr &frame) override;
+    void onShutdown(const SockException &ex) override;
+    void onTick();
+private:
+    TSSegment::onSegment _on_ts;
+    DecoderImp::Ptr _decoder;
+    multimap<int64_t, Frame::Ptr> _frame_cache;
+    Timer::Ptr _timer;
+    Ticker _ticker;
+    Stamp _stamp[2];
+};
+
+}//namespace mediakit 
+#endif //HTTP_HLSPLAYER_H
--- a/src/Http/HttpClient.h
+++ b/src/Http/HttpClient.h
@ -48,8 +48,7 @@ public:
    }
 };

-class HttpClient : public TcpClient , public HttpRequestSplitter
-{
+class HttpClient : public TcpClient , public HttpRequestSplitter{
 public:
    typedef StrCaseMap HttpHeader;
    typedef std::shared_ptr<HttpClient> Ptr;
--- a/src/Http/HttpClientImp.h
+++ b/src/Http/HttpClientImp.h
@ -13,9 +13,7 @@

 #include "HttpClient.h"
 #include "Util/SSLBox.h"
-
 using namespace toolkit;
-
 namespace mediakit {

 class HttpClientImp: public TcpClientWithSSL<HttpClient> {
@ -28,5 +26,4 @@ protected:
 };

 } /* namespace mediakit */
-
 #endif /* SRC_HTTP_HTTPCLIENTIMP_H_ */
--- a/src/Http/HttpSession.cpp
+++ b/src/Http/HttpSession.cpp
@ -188,7 +188,23 @@ bool HttpSession::checkLiveFlvStream(const function<void()> &cb){
    bool bClose = !strcasecmp(_parser["Connection"].data(),"close");

    weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
-    MediaSource::findAsync(_mediaInfo,weakSelf.lock(),[weakSelf,bClose,this,cb](const MediaSource::Ptr &src){
+
+    //鉴权结果回调
+    auto onRes = [cb, weakSelf, bClose](const string &err){
+        auto strongSelf = weakSelf.lock();
+        if (!strongSelf) {
+            //本对象已经销毁
+            return;
+        }
+
+        if(!err.empty()){
+            //播放鉴权失败
+            strongSelf->sendResponse("401 Unauthorized", bClose, nullptr, KeyValue(), std::make_shared<HttpStringBody>(err));
+            return;
+        }
+
+        //异步查找rtmp流
+        MediaSource::findAsync(strongSelf->_mediaInfo, strongSelf, [weakSelf, bClose, cb](const MediaSource::Ptr &src) {
            auto strongSelf = weakSelf.lock();
            if (!strongSelf) {
                //本对象已经销毁
@ -197,56 +213,40 @@ bool HttpSession::checkLiveFlvStream(const function<void()> &cb){
            auto rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(src);
            if (!rtmp_src) {
                //未找到该流
-            sendNotFound(bClose);
-            return;
-        }
-        //找到流了
-        auto onRes = [this,rtmp_src,cb](const string &err){
-            bool authSuccess = err.empty();
-            if(!authSuccess){
-                sendResponse("401 Unauthorized", true, nullptr, KeyValue(), std::make_shared<HttpStringBody>(err));
+                strongSelf->sendNotFound(bClose);
                return;
            }

            if (!cb) {
                //找到rtmp源，发送http头，负载后续发送
-                sendResponse("200 OK", false, "video/x-flv",KeyValue(),nullptr,true);
+                strongSelf->sendResponse("200 OK", false, "video/x-flv", KeyValue(), nullptr, true);
            } else {
+                //自定义发送http头
                cb();
            }

            //http-flv直播牺牲延时提升发送性能
-            setSocketFlags();
-
-            try{
-                start(getPoller(),rtmp_src);
-                _is_flv_stream = true;
-            }catch (std::exception &ex){
-                //该rtmp源不存在
-                shutdown(SockException(Err_shutdown,"rtmp mediasource released"));
-            }
+            strongSelf->setSocketFlags();
+            strongSelf->start(strongSelf->getPoller(), rtmp_src);
+            strongSelf->_is_flv_stream = true;
+        });
    };

-        weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
    Broadcast::AuthInvoker invoker = [weakSelf, onRes](const string &err) {
        auto strongSelf = weakSelf.lock();
        if (!strongSelf) {
            return;
        }
-            strongSelf->async([weakSelf,onRes,err](){
-                auto strongSelf = weakSelf.lock();
-                if(!strongSelf){
-                    return;
-                }
+        strongSelf->async([onRes, err]() {
            onRes(err);
        });
    };
+
    auto flag = NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaPlayed, _mediaInfo, invoker, static_cast<SockInfo &>(*this));
    if (!flag) {
        //该事件无人监听,默认不鉴权
        onRes("");
    }
-    });
    return true;
 }

--- a/src/Http/HttpTSPlayer.cpp
+++ b/src/Http/HttpTSPlayer.cpp
@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "HttpTSPlayer.h"
+namespace mediakit {
+
+HttpTSPlayer::HttpTSPlayer(const EventPoller::Ptr &poller, bool split_ts){
+    _segment.setOnSegment([this](const char *data, uint64_t len) { onPacket(data, len); });
+    _poller = poller ? poller : EventPollerPool::Instance().getPoller();
+    _split_ts = split_ts;
+}
+
+HttpTSPlayer::~HttpTSPlayer() {}
+
+int64_t HttpTSPlayer::onResponseHeader(const string &status, const HttpClient::HttpHeader &headers) {
+    if (status != "200" && status != "206") {
+        //http状态码不符合预期
+        shutdown(SockException(Err_other, StrPrinter << "bad http status code:" + status));
+        return 0;
+    }
+    auto contet_type = const_cast< HttpClient::HttpHeader &>(headers)["Content-Type"];
+    if (contet_type.find("video/mp2t") == 0 || contet_type.find("video/mpeg") == 0) {
+        _is_ts_content = true;
+    }
+
+    //后续是不定长content
+    return -1;
+}
+
+void HttpTSPlayer::onResponseBody(const char *buf, int64_t size, int64_t recvedSize, int64_t totalSize) {
+    if (recvedSize == size) {
+        //开始接收数据
+        if (buf[0] == TS_SYNC_BYTE) {
+            //这是ts头
+            _is_first_packet_ts = true;
+        } else {
+            WarnL << "可能不是http-ts流";
+        }
+    }
+
+    if (_split_ts) {
+        _segment.input(buf, size);
+    } else {
+        onPacket(buf, size);
+    }
+}
+
+void HttpTSPlayer::onResponseCompleted() {
+    //接收完毕
+    shutdown(SockException(Err_success, "play completed"));
+}
+
+void HttpTSPlayer::onDisconnect(const SockException &ex) {
+    if (_on_disconnect) {
+        _on_disconnect(ex);
+        _on_disconnect = nullptr;
+    }
+}
+
+void HttpTSPlayer::onPacket(const char *data, uint64_t len) {
+    if (_on_segment) {
+        _on_segment(data, len);
+    }
+}
+
+void HttpTSPlayer::setOnDisconnect(const HttpTSPlayer::onShutdown &cb) {
+    _on_disconnect = cb;
+}
+
+void HttpTSPlayer::setOnPacket(const TSSegment::onSegment &cb) {
+    _on_segment = cb;
+}
+
+}//namespace mediakit
--- a/src/Http/HttpTSPlayer.h
+++ b/src/Http/HttpTSPlayer.h
@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2020 The ZLMediaKit project authors. All Rights Reserved.
+ *
+ * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
+ *
+ * Use of this source code is governed by MIT license that can be found in the
+ * LICENSE file in the root of the source tree. All contributing project authors
+ * may be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef HTTP_HTTPTSPLAYER_H
+#define HTTP_HTTPTSPLAYER_H
+
+#include "Http/HttpDownloader.h"
+#include "Player/MediaPlayer.h"
+#include "Rtp/TSDecoder.h"
+using namespace toolkit;
+namespace mediakit {
+
+//http-ts播发器，未实现ts解复用
+class HttpTSPlayer : public HttpClientImp{
+public:
+    typedef function<void(const SockException &)> onShutdown;
+    typedef std::shared_ptr<HttpTSPlayer> Ptr;
+
+    HttpTSPlayer(const EventPoller::Ptr &poller = nullptr, bool split_ts = true);
+    ~HttpTSPlayer() override ;
+
+    //设置异常断开回调
+    void setOnDisconnect(const onShutdown &cb);
+    //设置接收ts包回调
+    void setOnPacket(const TSSegment::onSegment &cb);
+
+protected:
+    ///HttpClient override///
+    int64_t onResponseHeader(const string &status,const HttpHeader &headers) override;
+    void onResponseBody(const char *buf,int64_t size,int64_t recvedSize,int64_t totalSize) override;
+    void onResponseCompleted() override;
+    void onDisconnect(const SockException &ex) override ;
+
+    //收到ts包
+    virtual void onPacket(const char *data, uint64_t len);
+
+private:
+    //是否为mpegts负载
+    bool _is_ts_content = false;
+    //第一个包是否为ts包
+    bool _is_first_packet_ts = false;
+    //是否判断是否是ts并split
+    bool _split_ts;
+    TSSegment _segment;
+    onShutdown _on_disconnect;
+    TSSegment::onSegment _on_segment;
+};
+
+}//namespace mediakit
+#endif //HTTP_HTTPTSPLAYER_H
--- a/src/Http/WebSocketClient.h
+++ b/src/Http/WebSocketClient.h
@ -94,6 +94,20 @@ public:
        _onRecv = nullptr;
        sendRequest(http_url,fTimeOutSec);
    }
+
+    void closeWsClient(){
+        if(!_onRecv){
+            //未连接
+            return;
+        }
+        WebSocketHeader header;
+        header._fin = true;
+        header._reserved = 0;
+        header._opcode = CLOSE;
+        //客户端需要加密
+        header._mask_flag = true;
+        WebSocketSplitter::encode(header, nullptr);
+    }
 protected:
    //HttpClientImp override

@ -110,7 +124,8 @@ protected:
            if(Sec_WebSocket_Accept == const_cast<HttpHeader &>(headers)["Sec-WebSocket-Accept"]){
                //success
                onWebSocketException(SockException());
-                return 0;
+                //后续全是websocket负载数据
+                return -1;
            }
            shutdown(SockException(Err_shutdown,StrPrinter << "Sec-WebSocket-Accept mismatch"));
            return 0;
@ -125,6 +140,16 @@ protected:
     */
    void onResponseCompleted() override {}

+    /**
+     * 接收websocket负载数据
+     */
+    void onResponseBody(const char *buf,int64_t size,int64_t recvedSize,int64_t totalSize) override{
+        if(_onRecv){
+            //完成websocket握手后，拦截websocket数据并解析
+            _onRecv(buf, size);
+        }
+    };
+
    //TcpClient override

    /**
@ -167,20 +192,6 @@ protected:
        HttpClientImp::onConnect(ex);
    }

-    /**
-     * tcp收到数据
-     * @param pBuf
-     */
-    void onRecv(const Buffer::Ptr &pBuf) override{
-        if(_onRecv){
-            //完成websocket握手后，拦截websocket数据并解析
-            _onRecv(pBuf);
-        }else{
-            //websocket握手数据
-            HttpClientImp::onRecv(pBuf);
-        }
-    }
-
    /**
     * tcp连接断开
     * @param ex
@ -193,7 +204,7 @@ protected:
    //WebSocketSplitter override

    /**
-     * 收到一个webSocket数据包包头，后续将继续触发onWebSocketDecodePlayload回调
+     * 收到一个webSocket数据包包头，后续将继续触发onWebSocketDecodePayload回调
     * @param header 数据包头
     */
    void onWebSocketDecodeHeader(const WebSocketHeader &header) override{
@ -205,9 +216,9 @@ protected:
     * @param header 数据包包头
     * @param ptr 负载数据指针
     * @param len 负载数据长度
-     * @param recved 已接收数据长度(包含本次数据长度)，等于header._playload_len时则接受完毕
+     * @param recved 已接收数据长度(包含本次数据长度)，等于header._payload_len时则接受完毕
     */
-    void onWebSocketDecodePlayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) override{
+    void onWebSocketDecodePayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) override{
        _payload.append((char *)ptr,len);
    }

@ -285,9 +296,9 @@ private:
            //触发连接成功事件
            _delegate.onConnect(ex);
            //拦截websocket数据接收
-            _onRecv = [this](const Buffer::Ptr &pBuf){
+            _onRecv = [this](const char *data, int len){
                //解析websocket数据包
-                this->WebSocketSplitter::decode((uint8_t*)pBuf->data(),pBuf->size());
+                this->WebSocketSplitter::decode((uint8_t *)data, len);
            };
            return;
        }
@ -306,7 +317,7 @@ private:

 private:
    string _Sec_WebSocket_Key;
-    function<void(const Buffer::Ptr &pBuf)> _onRecv;
+    function<void(const char *data, int len)> _onRecv;
    ClientTypeImp<ClientType,DataType> &_delegate;
    string _payload;
 };
@ -328,7 +339,9 @@ public:
    WebSocketClient(ArgsType &&...args) : ClientTypeImp<ClientType,DataType>(std::forward<ArgsType>(args)...){
        _wsClient.reset(new HttpWsClient<ClientType,DataType>(*this));
    }
-    ~WebSocketClient() override {}
+    ~WebSocketClient() override {
+        _wsClient->closeWsClient();
+    }

    /**
     * 重载startConnect方法，
--- a/src/Http/WebSocketSession.h
+++ b/src/Http/WebSocketSession.h
@ -161,7 +161,7 @@ protected:
     * @param len
     * @param recved
     */
-    void onWebSocketDecodePlayload(const WebSocketHeader &packet,const uint8_t *ptr,uint64_t len,uint64_t recved) override {
+    void onWebSocketDecodePayload(const WebSocketHeader &packet,const uint8_t *ptr,uint64_t len,uint64_t recved) override {
        _remian_data.append((char *)ptr,len);
    }

@ -205,7 +205,7 @@ protected:
    * @param buffer
    */
    void onWebSocketEncodeData(const Buffer::Ptr &buffer) override{
-        SocketHelper::send(buffer);
+        HttpSessionType::send(buffer);
    }
 private:
    string _remian_data;
--- a/src/Http/WebSocketSplitter.cpp
+++ b/src/Http/WebSocketSplitter.cpp
@ -72,16 +72,16 @@ begin_decode:

        CHECK_LEN(1);
        _mask_flag = (*ptr & 0x80) >> 7;
-        _playload_len = (*ptr & 0x7F);
+        _payload_len = (*ptr & 0x7F);
        ptr += 1;

-        if (_playload_len == 126) {
+        if (_payload_len == 126) {
            CHECK_LEN(2);
-            _playload_len = (*ptr << 8) | *(ptr + 1);
+            _payload_len = (*ptr << 8) | *(ptr + 1);
            ptr += 2;
-        } else if (_playload_len == 127) {
+        } else if (_payload_len == 127) {
            CHECK_LEN(8);
-            _playload_len = ((uint64_t) ptr[0] << (8 * 7)) |
+            _payload_len = ((uint64_t) ptr[0] << (8 * 7)) |
                            ((uint64_t) ptr[1] << (8 * 6)) |
                            ((uint64_t) ptr[2] << (8 * 5)) |
                            ((uint64_t) ptr[3] << (8 * 4)) |
@ -98,9 +98,9 @@ begin_decode:
        }
        _got_header = true;
        _mask_offset = 0;
-        _playload_offset = 0;
+        _payload_offset = 0;
        onWebSocketDecodeHeader(*this);
-        if(_playload_len == 0){
+        if(_payload_len == 0){
            onWebSocketDecodeComplete(*this);
        }
    }
@ -109,19 +109,19 @@ begin_decode:

    uint64_t remain = len - (ptr - data);
    if(remain > 0){
-        uint64_t playload_slice_len = remain;
-        if(playload_slice_len + _playload_offset > _playload_len){
-            playload_slice_len = _playload_len - _playload_offset;
+        uint64_t payload_slice_len = remain;
+        if(payload_slice_len + _payload_offset > _payload_len){
+            payload_slice_len = _payload_len - _payload_offset;
        }
-        _playload_offset += playload_slice_len;
-        onPlayloadData(ptr,playload_slice_len);
+        _payload_offset += payload_slice_len;
+        onPayloadData(ptr, payload_slice_len);

-        if(_playload_offset == _playload_len){
+        if(_payload_offset == _payload_len){
            onWebSocketDecodeComplete(*this);

            //这是下一个包
-            remain -= playload_slice_len;
-            ptr += playload_slice_len;
+            remain -= payload_slice_len;
+            ptr += payload_slice_len;
            _got_header = false;

            if(remain > 0){
@ -138,14 +138,14 @@ begin_decode:
    _remain_data.clear();
 }

-void WebSocketSplitter::onPlayloadData(uint8_t *ptr, uint64_t len) {
+void WebSocketSplitter::onPayloadData(uint8_t *data, uint64_t len) {
    if(_mask_flag){
-        for(int i = 0; i < len ; ++i,++ptr){
-            *(ptr) ^= _mask[(i + _mask_offset) % 4];
+        for(int i = 0; i < len ; ++i,++data){
+            *(data) ^= _mask[(i + _mask_offset) % 4];
        }
        _mask_offset = (_mask_offset + len) % 4;
    }
-    onWebSocketDecodePlayload(*this, _mask_flag ? ptr - len : ptr, len, _playload_offset);
+    onWebSocketDecodePayload(*this, _mask_flag ? data - len : data, len, _payload_offset);
 }

 void WebSocketSplitter::encode(const WebSocketHeader &header,const Buffer::Ptr &buffer) {
--- a/src/Http/WebSocketSplitter.h
+++ b/src/Http/WebSocketSplitter.h
@ -44,14 +44,19 @@ public:
        CONTROL_RSVF = 0xF
    } Type;
 public:
-    WebSocketHeader() : _mask(4){}
+    WebSocketHeader() : _mask(4){
+        //获取_mask内部buffer的内存地址，该内存是malloc开辟的，地址为随机
+        uint64_t ptr = (uint64_t)(&_mask[0]);
+        //根据内存地址设置掩码随机数
+        _mask.assign((uint8_t*)(&ptr), (uint8_t*)(&ptr) + 4);
+    }
    virtual ~WebSocketHeader(){}
 public:
    bool _fin;
    uint8_t _reserved;
    Type _opcode;
    bool _mask_flag;
-    uint64_t _playload_len;
+    uint64_t _payload_len;
    vector<uint8_t > _mask;
 };

@ -62,7 +67,7 @@ public:

    /**
     * 输入数据以便解包webSocket数据以及处理粘包问题
-     * 可能触发onWebSocketDecodeHeader和onWebSocketDecodePlayload回调
+     * 可能触发onWebSocketDecodeHeader和onWebSocketDecodePayload回调
     * @param data 需要解包的数据，可能是不完整的包或多个包
     * @param len 数据长度
     */
@ -77,7 +82,7 @@ public:
    void encode(const WebSocketHeader &header,const Buffer::Ptr &buffer);
 protected:
    /**
-     * 收到一个webSocket数据包包头，后续将继续触发onWebSocketDecodePlayload回调
+     * 收到一个webSocket数据包包头，后续将继续触发onWebSocketDecodePayload回调
     * @param header 数据包头
     */
    virtual void onWebSocketDecodeHeader(const WebSocketHeader &header) {};
@ -87,9 +92,9 @@ protected:
     * @param header 数据包包头
     * @param ptr 负载数据指针
     * @param len 负载数据长度
-     * @param recved 已接收数据长度(包含本次数据长度)，等于header._playload_len时则接受完毕
+     * @param recved 已接收数据长度(包含本次数据长度)，等于header._payload_len时则接受完毕
     */
-    virtual void onWebSocketDecodePlayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) {};
+    virtual void onWebSocketDecodePayload(const WebSocketHeader &header, const uint8_t *ptr, uint64_t len, uint64_t recved) {};


    /**
@ -105,12 +110,12 @@ protected:
     */
    virtual void onWebSocketEncodeData(const Buffer::Ptr &buffer){};
 private:
-    void onPlayloadData(uint8_t *data,uint64_t len);
+    void onPayloadData(uint8_t *data, uint64_t len);
 private:
    string _remain_data;
    int _mask_offset = 0;
    bool _got_header = false;
-    uint64_t _playload_offset = 0;
+    uint64_t _payload_offset = 0;
 };

 } /* namespace mediakit */
--- a/src/Player/PlayerBase.cpp
+++ b/src/Player/PlayerBase.cpp
@ -12,18 +12,31 @@
 #include "PlayerBase.h"
 #include "Rtsp/RtspPlayerImp.h"
 #include "Rtmp/RtmpPlayerImp.h"
+#include "Http/HlsPlayer.h"
 using namespace toolkit;

 namespace mediakit {

-PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const string &strUrl) {
+//字符串是否以xx结尾
+static bool end_of(const string &str, const string &substr){
+    auto pos = str.rfind(substr);
+    return pos != string::npos && pos == str.size() - substr.size();
+}
+
+PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const string &url_in) {
    static auto releasePlayer = [](PlayerBase *ptr){
        onceToken token(nullptr,[&](){
            delete  ptr;
        });
        ptr->teardown();
    };
-    string prefix = FindField(strUrl.data(), NULL, "://");
+    string url = url_in;
+    string prefix = FindField(url.data(), NULL, "://");
+    auto pos = url.find('?');
+    if (pos != string::npos) {
+        //去除？后面的字符串
+        url = url.substr(0, pos);
+    }

    if (strcasecmp("rtsps",prefix.data()) == 0) {
        return PlayerBase::Ptr(new TcpClientWithSSL<RtspPlayerImp>(poller),releasePlayer);
@ -41,6 +54,10 @@ PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const st
        return PlayerBase::Ptr(new RtmpPlayerImp(poller),releasePlayer);
    }

+    if ((strcasecmp("http",prefix.data()) == 0 || strcasecmp("https",prefix.data()) == 0) && end_of(url, ".m3u8")) {
+        return PlayerBase::Ptr(new HlsPlayerImp(poller),releasePlayer);
+    }
+
    return PlayerBase::Ptr(new RtspPlayerImp(poller),releasePlayer);
 }

--- a/src/Record/HlsMaker.cpp
+++ b/src/Record/HlsMaker.cpp
@ -13,8 +13,6 @@ namespace mediakit {

 HlsMaker::HlsMaker(float seg_duration, uint32_t seg_number) {
    //最小允许设置为0，0个切片代表点播
-    seg_number = MAX(0,seg_number);
-    seg_duration = MAX(1,seg_duration);
    _seg_number = seg_number;
    _seg_duration = seg_duration;
 }
@ -34,6 +32,8 @@ void HlsMaker::makeIndexFile(bool eof) {
        }
    }

+    auto sequence =  _seg_number ? (_file_index > _seg_number ? _file_index - _seg_number : 0LL) : 0LL;
+
    string m3u8;
    snprintf(file_content,sizeof(file_content),
          "#EXTM3U\n"
@ -42,7 +42,7 @@ void HlsMaker::makeIndexFile(bool eof) {
          "#EXT-X-TARGETDURATION:%u\n"
          "#EXT-X-MEDIA-SEQUENCE:%llu\n",
          (maxSegmentDuration + 999) / 1000,
-          _seg_number ? _file_index : 0);
+          sequence);

    m3u8.assign(file_content);

--- a/src/Record/MP4.cpp
+++ b/src/Record/MP4.cpp
@ -1,4 +1,4 @@
-/*
+/*
 * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
--- a/src/Record/MP4.h
+++ b/src/Record/MP4.h
@ -1,4 +1,4 @@
-/*
+/*
 * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
--- a/src/Record/MP4Demuxer.cpp
+++ b/src/Record/MP4Demuxer.cpp
@ -1,4 +1,4 @@
-/*
+/*
 * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
--- a/src/Record/MP4Demuxer.h
+++ b/src/Record/MP4Demuxer.h
@ -1,4 +1,4 @@
-/*
+/*
 * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
 *
 * This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
--- a/src/Record/MP4Muxer.cpp
+++ b/src/Record/MP4Muxer.cpp
@ -122,27 +122,68 @@ void MP4Muxer::inputFrame(const Frame::Ptr &frame) {
    }
 }

+static uint8_t getObject(CodecId codecId){
+    switch (codecId){
+        case CodecG711A : return MOV_OBJECT_G711a;
+        case CodecG711U : return MOV_OBJECT_G711u;
+        case CodecOpus : return MOV_OBJECT_OPUS;
+        case CodecAAC : return MOV_OBJECT_AAC;
+        case CodecH264 : return MOV_OBJECT_H264;
+        case CodecH265 : return MOV_OBJECT_HEVC;
+        default : return 0;
+    }
+}
+
+void MP4Muxer::stampSync(){
+    if(_codec_to_trackid.size() < 2){
+        return;
+    }
+
+    Stamp *audio = nullptr, *video = nullptr;
+    for(auto &pr : _codec_to_trackid){
+        switch (getTrackType((CodecId) pr.first)){
+            case TrackAudio : audio = &pr.second.stamp; break;
+            case TrackVideo : video = &pr.second.stamp; break;
+            default : break;
+        }
+    }
+
+    if(audio && video){
+        //音频时间戳同步于视频，因为音频时间戳被修改后不影响播放
+        audio->syncTo(*video);
+    }
+}
+
 void MP4Muxer::addTrack(const Track::Ptr &track) {
+    auto mp4_object = getObject(track->getCodecId());
+    if (!mp4_object) {
+        WarnL << "MP4录制不支持该编码格式:" << track->getCodecName();
+        return;
+    }
+
+    if (!track->ready()) {
+        WarnL << "Track[" << track->getCodecName() << "]未就绪";
+        return;
+    }
+
    switch (track->getCodecId()) {
        case CodecG711A:
-        case CodecG711U: {
-            auto audio_track = dynamic_pointer_cast<G711Track>(track);
+        case CodecG711U:
+        case CodecOpus: {
+            auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
            if (!audio_track) {
-                WarnL << "不是G711 Track";
-                return;
-            }
-            if (!audio_track->ready()) {
-                WarnL << "G711 Track未就绪";
+                WarnL << "不是音频Track:" << track->getCodecName();
                return;
            }
+
            auto track_id = mov_writer_add_audio(_mov_writter.get(),
-                                                 track->getCodecId() == CodecG711A ? MOV_OBJECT_G711a : MOV_OBJECT_G711u,
+                                                 mp4_object,
                                                 audio_track->getAudioChannel(),
                                                 audio_track->getAudioSampleBit() * audio_track->getAudioChannel(),
                                                 audio_track->getAudioSampleRate(),
                                                 nullptr, 0);
            if (track_id < 0) {
-                WarnL << "添加G711 Track失败:" << track_id;
+                WarnL << "添加Track[" << track->getCodecName() << "]失败:" << track_id;
                return;
            }
            _codec_to_trackid[track->getCodecId()].track_id = track_id;
@ -155,16 +196,14 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
                WarnL << "不是AAC Track";
                return;
            }
-            if(!audio_track->ready()){
-                WarnL << "AAC Track未就绪";
-                return;
-            }
+
            auto track_id = mov_writer_add_audio(_mov_writter.get(),
-                                                 MOV_OBJECT_AAC,
+                                                 mp4_object,
                                                 audio_track->getAudioChannel(),
                                                 audio_track->getAudioSampleBit() * audio_track->getAudioChannel(),
                                                 audio_track->getAudioSampleRate(),
-                                                 audio_track->getAacCfg().data(), 2);
+                                                 audio_track->getAacCfg().data(),
+                                                 audio_track->getAacCfg().size());
            if(track_id < 0){
                WarnL << "添加AAC Track失败:" << track_id;
                return;
@ -178,10 +217,6 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
                WarnL << "不是H264 Track";
                return;
            }
-            if(!h264_track->ready()){
-                WarnL << "H264 Track未就绪";
-                return;
-            }

            struct mpeg4_avc_t avc = {0};
            string sps_pps = string("\x00\x00\x00\x01", 4) + h264_track->getSps() +
@ -196,7 +231,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
            }

            auto track_id = mov_writer_add_video(_mov_writter.get(),
-                                                 MOV_OBJECT_H264,
+                                                 mp4_object,
                                                 h264_track->getVideoWidth(),
                                                 h264_track->getVideoHeight(),
                                                 extra_data,
@ -216,10 +251,6 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
                WarnL << "不是H265 Track";
                return;
            }
-            if(!h265_track->ready()){
-                WarnL << "H265 Track未就绪";
-                return;
-            }

            struct mpeg4_hevc_t hevc = {0};
            string vps_sps_pps = string("\x00\x00\x00\x01", 4) + h265_track->getVps() +
@ -235,7 +266,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
            }

            auto track_id = mov_writer_add_video(_mov_writter.get(),
-                                                 MOV_OBJECT_HEVC,
+                                                 mp4_object,
                                                 h265_track->getVideoWidth(),
                                                 h265_track->getVideoHeight(),
                                                 extra_data,
@ -248,10 +279,12 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
            _have_video = true;
        }
            break;
-        default:
-            WarnL << "MP4录制不支持该编码格式:" << track->getCodecName();
-            break;
+
+        default: WarnL << "MP4录制不支持该编码格式:" << track->getCodecName(); break;
    }
+
+    //尝试音视频同步
+    stampSync();
 }

 }//namespace mediakit
--- a/src/Record/MP4Muxer.h
+++ b/src/Record/MP4Muxer.h
@ -45,6 +45,7 @@ public:
 private:
    void openMP4();
    void closeMP4();
+    void stampSync();

 private:
    struct track_info {
--- a/src/Record/Recorder.cpp
+++ b/src/Record/Recorder.cpp
@ -80,11 +80,11 @@ std::shared_ptr<MediaSinkInterface> Recorder::createRecorder(type type, const st
 }

 static MediaSource::Ptr getMediaSource(const string &vhost, const string &app, const string &stream_id){
-    auto src = MediaSource::find(RTMP_SCHEMA, vhost, app, stream_id, false);
+    auto src = MediaSource::find(RTMP_SCHEMA, vhost, app, stream_id);
    if(src){
        return src;
    }
-    return MediaSource::find(RTSP_SCHEMA, vhost, app, stream_id, false);
+    return MediaSource::find(RTSP_SCHEMA, vhost, app, stream_id);
 }

 bool Recorder::isRecording(type type, const string &vhost, const string &app, const string &stream_id){
--- a/src/Record/TsMuxer.cpp
+++ b/src/Record/TsMuxer.cpp
@ -23,6 +23,26 @@ TsMuxer::~TsMuxer() {
    uninit();
 }

+void TsMuxer::stampSync(){
+    if(_codec_to_trackid.size() < 2){
+        return;
+    }
+
+    Stamp *audio = nullptr, *video = nullptr;
+    for(auto &pr : _codec_to_trackid){
+        switch (getTrackType((CodecId) pr.first)){
+            case TrackAudio : audio = &pr.second.stamp; break;
+            case TrackVideo : video = &pr.second.stamp; break;
+            default : break;
+        }
+    }
+
+    if(audio && video){
+        //音频时间戳同步于视频，因为音频时间戳被修改后不影响播放
+        audio->syncTo(*video);
+    }
+}
+
 void TsMuxer::addTrack(const Track::Ptr &track) {
    switch (track->getCodecId()) {
        case CodecH264: {
@ -52,9 +72,11 @@ void TsMuxer::addTrack(const Track::Ptr &track) {
            break;
        }

-        default:
-            break;
+        default: WarnL << "mpeg-ts 不支持该编码格式,已忽略:" << track->getCodecName(); break;
    }
+
+    //尝试音视频同步
+    stampSync();
 }

 void TsMuxer::inputFrame(const Frame::Ptr &frame) {
--- a/src/Record/TsMuxer.h
+++ b/src/Record/TsMuxer.h
@ -17,28 +17,50 @@
 #include "Util/File.h"
 #include "Common/MediaSink.h"
 #include "Common/Stamp.h"
-
 using namespace toolkit;
-
 namespace mediakit {

+//该类用于产生MPEG-TS
 class TsMuxer : public MediaSinkInterface {
 public:
    TsMuxer();
    virtual ~TsMuxer();
+
+    /**
+     * 添加音视频轨道
+     */
    void addTrack(const Track::Ptr &track) override;
+
+    /**
+     * 重置音视频轨道
+     */
    void resetTracks() override;
+
+    /**
+     * 输入帧数据
+     */
    void inputFrame(const Frame::Ptr &frame) override;
+
 protected:
+    /**
+     * 输出mpegts数据回调
+     * @param packet mpegts数据
+     * @param bytes mpegts数据长度
+     * @param timestamp 时间戳，单位毫秒
+     * @param is_idr_fast_packet 是否为关键帧的第一个TS包，用于确保ts切片第一帧为关键帧
+     */
    virtual void onTs(const void *packet, int bytes,uint32_t timestamp,bool is_idr_fast_packet) = 0;
+
 private:
    void init();
    void uninit();
+    //音视频时间戳同步用
+    void stampSync();
+
 private:
    void *_context = nullptr;
-    char *_tsbuf[188];
+    char _tsbuf[188];
    uint32_t _timestamp = 0;
-
    struct track_info {
        int track_id = -1;
        Stamp stamp;
--- a/src/Rtmp/FlvMuxer.cpp
+++ b/src/Rtmp/FlvMuxer.cpp
@ -50,6 +50,9 @@ void FlvMuxer::start(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &
        }
        strongSelf->onDetach();
    });
+
+    //音频同步于视频
+    _stamp[0].syncTo(_stamp[1]);
    _ring_reader->setReadCB([weakSelf](const RtmpMediaSource::RingDataType &pkt){
        auto strongSelf = weakSelf.lock();
        if(!strongSelf){
@ -164,7 +167,7 @@ void FlvMuxer::stop() {

 ///////////////////////////////////////////////////////FlvRecorder/////////////////////////////////////////////////////
 void FlvRecorder::startRecord(const EventPoller::Ptr &poller,const string &vhost, const string &app, const string &stream,const string &file_path) {
-    startRecord(poller,dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,vhost,app,stream,false)),file_path);
+    startRecord(poller,dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,vhost,app,stream)),file_path);
 }

 void FlvRecorder::startRecord(const EventPoller::Ptr &poller,const RtmpMediaSource::Ptr &media, const string &file_path) {
--- a/src/Rtmp/Rtmp.cpp
+++ b/src/Rtmp/Rtmp.cpp
@ -100,4 +100,23 @@ uint8_t getAudioRtmpFlags(const Track::Ptr &track){
 }


+void Metadata::addTrack(AMFValue &metadata, const Track::Ptr &track) {
+    Metadata::Ptr new_metadata;
+    switch (track->getTrackType()) {
+        case TrackVideo: {
+            new_metadata = std::make_shared<VideoMeta>(dynamic_pointer_cast<VideoTrack>(track));
+        }
+            break;
+        case TrackAudio: {
+            new_metadata = std::make_shared<AudioMeta>(dynamic_pointer_cast<AudioTrack>(track));
+        }
+            break;
+        default:
+            return;
+    }
+
+    new_metadata->getMetadata().object_for_each([&](const std::string &key, const AMFValue &value) {
+        metadata.set(key, value);
+    });
+}
 }//namespace mediakit
--- a/src/Rtmp/Rtmp.h
+++ b/src/Rtmp/Rtmp.h
@ -220,6 +220,8 @@ public:
    const AMFValue &getMetadata() const{
        return _metadata;
    }
+
+    static void addTrack(AMFValue &metadata, const Track::Ptr &track);
 protected:
    AMFValue _metadata;
 };
@ -242,18 +244,6 @@ public:
        }
    }

-    /**
-     * 返回音频或视频类型
-     * @return
-     */
-    TrackType getTrackType() const override {
-        return TrackTitle;
-    }
-
-    /**
-     * 返回编码器id
-     * @return
-     */
    CodecId getCodecId() const override{
        return CodecInvalid;
    }
@ -266,18 +256,6 @@ public:
    VideoMeta(const VideoTrack::Ptr &video,int datarate = 5000);
    virtual ~VideoMeta(){}

-    /**
-     * 返回音频或视频类型
-     * @return
-     */
-    TrackType getTrackType() const override {
-        return TrackVideo;
-    }
-
-    /**
-     * 返回编码器id
-     * @return
-     */
    CodecId getCodecId() const override{
        return _codecId;
    }
@ -285,7 +263,6 @@ private:
    CodecId _codecId;
 };

-
 class AudioMeta : public Metadata{
 public:
    typedef std::shared_ptr<AudioMeta> Ptr;
@ -294,18 +271,6 @@ public:

    virtual ~AudioMeta(){}

-    /**
-     * 返回音频或视频类型
-     * @return
-     */
-    TrackType getTrackType() const override {
-        return TrackAudio;
-    }
-
-    /**
-     * 返回编码器id
-     * @return
-     */
    CodecId getCodecId() const override{
        return _codecId;
    }
@ -317,7 +282,4 @@ private:
 uint8_t getAudioRtmpFlags(const Track::Ptr &track);

 }//namespace mediakit
-
-
-
-#endif
+#endif//__rtmp_h
--- a/src/Rtmp/RtmpDemuxer.cpp
+++ b/src/Rtmp/RtmpDemuxer.cpp
@ -13,60 +13,56 @@

 namespace mediakit {

-void RtmpDemuxer::loadMetaData(const AMFValue &val){
+bool RtmpDemuxer::loadMetaData(const AMFValue &val){
+    bool ret = false;
    try {
        int audiosamplerate = 0;
        int audiochannels = 0;
        int audiosamplesize = 0;
        const AMFValue *audiocodecid = nullptr;
        const AMFValue *videocodecid = nullptr;
-
        val.object_for_each([&](const string &key, const AMFValue &val) {
            if (key == "duration") {
                _fDuration = val.as_number();
                return;
            }
-
            if (key == "audiosamplerate") {
                audiosamplerate = val.as_integer();
                return;
            }
-
            if (key == "audiosamplesize") {
                audiosamplesize = val.as_integer();
                return;
            }
-
            if (key == "stereo") {
                audiochannels = val.as_boolean() ? 2 : 1;
                return;
            }
-
            if (key == "videocodecid") {
                //找到视频
                videocodecid = &val;
                return;
            }
-
            if (key == "audiocodecid") {
                //找到音频
                audiocodecid = &val;
                return;
            }
        });
-
        if (videocodecid) {
            //有视频
+            ret = true;
            makeVideoTrack(*videocodecid);
        }
-
        if (audiocodecid) {
            //有音频
+            ret = true;
            makeAudioTrack(*audiocodecid, audiosamplerate, audiochannels, audiosamplesize);
        }
    } catch (std::exception &ex) {
        WarnL << ex.what();
    }
+    return ret;
 }

 bool RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
@ -105,12 +101,11 @@ void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec) {
    _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
    if (_videoTrack) {
        //生成rtmpCodec对象以便解码rtmp
-        _videoRtmpDecoder = Factory::getRtmpCodecByTrack(_videoTrack);
+        _videoRtmpDecoder = Factory::getRtmpCodecByTrack(_videoTrack, false);
        if (_videoRtmpDecoder) {
            //设置rtmp解码器代理，生成的frame写入该Track
            _videoRtmpDecoder->addDelegate(_videoTrack);
            onAddTrack(_videoTrack);
-            _tryedGetVideoTrack = true;
        } else {
            //找不到相应的rtmp解码器，该track无效
            _videoTrack.reset();
@ -123,12 +118,11 @@ void RtmpDemuxer::makeAudioTrack(const AMFValue &audioCodec,int sample_rate, int
    _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec, sample_rate, channels, sample_bit));
    if (_audioTrack) {
        //生成rtmpCodec对象以便解码rtmp
-        _audioRtmpDecoder = Factory::getRtmpCodecByTrack(_audioTrack);
+        _audioRtmpDecoder = Factory::getRtmpCodecByTrack(_audioTrack, false);
        if (_audioRtmpDecoder) {
            //设置rtmp解码器代理，生成的frame写入该Track
            _audioRtmpDecoder->addDelegate(_audioTrack);
            onAddTrack(_audioTrack);
-            _tryedGetAudioTrack = true;
        } else {
            //找不到相应的rtmp解码器，该track无效
            _audioTrack.reset();
--- a/src/Rtmp/RtmpDemuxer.h
+++ b/src/Rtmp/RtmpDemuxer.h
@ -30,7 +30,7 @@ public:
    RtmpDemuxer() = default;
    virtual ~RtmpDemuxer() = default;

-    void loadMetaData(const AMFValue &metadata);
+    bool loadMetaData(const AMFValue &metadata);

    /**
     * 开始解复用
--- a/src/Rtmp/RtmpMediaSource.h
+++ b/src/Rtmp/RtmpMediaSource.h
@ -33,9 +33,6 @@ using namespace toolkit;
 #define RTMP_GOP_SIZE 512
 namespace mediakit {

-typedef VideoPacketCache<RtmpPacket> RtmpVideoCache;
-typedef AudioPacketCache<RtmpPacket> RtmpAudioCache;
-
 /**
 * rtmp媒体源的数据抽象
 * rtmp有关键的三要素，分别是metadata、config帧，普通帧
@ -43,7 +40,7 @@ typedef AudioPacketCache<RtmpPacket> RtmpAudioCache;
 * 只要生成了这三要素，那么要实现rtmp推流、rtmp服务器就很简单了
 * rtmp推拉流协议中，先传递metadata，然后传递config帧，然后一直传递普通帧
 */
-class RtmpMediaSource : public MediaSource, public RingDelegate<RtmpPacket::Ptr>, public RtmpVideoCache, public RtmpAudioCache{
+class RtmpMediaSource : public MediaSource, public RingDelegate<RtmpPacket::Ptr>, public PacketCache<RtmpPacket>{
 public:
    typedef std::shared_ptr<RtmpMediaSource> Ptr;
    typedef std::shared_ptr<List<RtmpPacket::Ptr> > RingDataType;
@ -110,6 +107,14 @@ public:
        }
    }

+    /**
+     * 更新metadata
+     */
+    void updateMetaData(const AMFValue &metadata) {
+        lock_guard<recursive_mutex> lock(_mtx);
+        _metadata = metadata;
+    }
+
    /**
     * 输入rtmp包
     * @param pkt rtmp包
@ -149,12 +154,7 @@ public:
                regist();
            }
        }
-
-        if(pkt->typeId == MSG_VIDEO){
-            RtmpVideoCache::inputVideo(pkt, key);
-        }else{
-            RtmpAudioCache::inputAudio(pkt);
-        }
+        PacketCache<RtmpPacket>::inputPacket(pkt->typeId == MSG_VIDEO, pkt, key);
    }

    /**
@ -175,21 +175,13 @@ public:
 private:

    /**
-    * 批量flush时间戳相同的视频rtmp包时触发该函数
-    * @param rtmp_list 时间戳相同的rtmp包列表
+    * 批量flush rtmp包时触发该函数
+    * @param rtmp_list rtmp包列表
    * @param key_pos 是否包含关键帧
    */
-    void onFlushVideo(std::shared_ptr<List<RtmpPacket::Ptr> > &rtmp_list, bool key_pos) override {
-        _ring->write(rtmp_list, key_pos);
-    }
-
-    /**
-     * 批量flush一定数量的音频rtmp包时触发该函数
-     * @param rtmp_list rtmp包列表
-     */
-    void onFlushAudio(std::shared_ptr<List<RtmpPacket::Ptr> > &rtmp_list) override{
-        //只有音频的话，就不存在gop缓存的意义
-        _ring->write(rtmp_list, !_have_video);
+    void onFlush(std::shared_ptr<List<RtmpPacket::Ptr> > &rtmp_list, bool key_pos) override {
+        //如果不存在视频，那么就没有存在GOP缓存的意义，所以is_key一直为true确保一直清空GOP缓存
+        _ring->write(rtmp_list, _have_video ? key_pos : true);
    }

    /**
--- a/src/Rtmp/RtmpMediaSourceImp.h
+++ b/src/Rtmp/RtmpMediaSourceImp.h
@ -49,7 +49,11 @@ public:
     * 设置metadata
     */
    void setMetaData(const AMFValue &metadata) override{
-        _demuxer->loadMetaData(metadata);
+        if(!_demuxer->loadMetaData(metadata)){
+            //该metadata无效，需要重新生成
+            _metadata = metadata;
+            _recreate_metadata = true;
+        }
        RtmpMediaSource::setMetaData(metadata);
    }

@ -146,11 +150,22 @@ public:
    void onAllTrackReady() override{
        setTrackSource(_muxer);
        _all_track_ready = true;
+
+        if (_recreate_metadata) {
+            //更新metadata
+            for (auto &track : _muxer->getTracks()) {
+                Metadata::addTrack(_metadata, track);
            }
+            RtmpMediaSource::updateMetaData(_metadata);
+        }
+    }
+
 private:
    RtmpDemuxer::Ptr _demuxer;
    MultiMediaSourceMuxer::Ptr _muxer;
+    AMFValue _metadata;
    bool _all_track_ready = false;
+    bool _recreate_metadata = false;
 };
 } /* namespace mediakit */

--- a/src/Rtmp/RtmpMuxer.cpp
+++ b/src/Rtmp/RtmpMuxer.cpp
@ -23,47 +23,9 @@ RtmpMuxer::RtmpMuxer(const TitleMeta::Ptr &title) {
 }

 void RtmpMuxer::addTrack(const Track::Ptr &track) {
-    //根据track生产metadata
-    Metadata::Ptr metadata;
-    switch (track->getTrackType()){
-        case TrackVideo:{
-            metadata = std::make_shared<VideoMeta>(dynamic_pointer_cast<VideoTrack>(track));
-        }
-            break;
-        case TrackAudio:{
-            metadata = std::make_shared<AudioMeta>(dynamic_pointer_cast<AudioTrack>(track));
-        }
-            break;
-        default:
-            return;
-
-    }
-
-    switch (track->getCodecId()){
-        case CodecG711A:
-        case CodecG711U:{
-            auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
-            if(!audio_track){
-                return;
-            }
-            if (audio_track->getAudioSampleRate() != 8000 ||
-                audio_track->getAudioChannel() != 1 ||
-                audio_track->getAudioSampleBit() != 16) {
-                WarnL << "RTMP只支持8000/1/16规格的G711,目前规格是:"
-                      << audio_track->getAudioSampleRate() << "/"
-                      << audio_track->getAudioChannel() << "/"
-                      << audio_track->getAudioSampleBit()
-                      << ",该音频已被忽略";
-                return;
-            }
-            break;
-        }
-        default : break;
-    }
-
    auto &encoder = _encoder[track->getTrackType()];
    //生成rtmp编码器,克隆该Track，防止循环引用
-    encoder = Factory::getRtmpCodecByTrack(track->clone());
+    encoder = Factory::getRtmpCodecByTrack(track->clone(), true);
    if (!encoder) {
        return;
    }
@ -71,10 +33,8 @@ void RtmpMuxer::addTrack(const Track::Ptr &track) {
    //设置rtmp输出环形缓存
    encoder->setRtmpRing(_rtmpRing);

-    //添加其metadata
-    metadata->getMetadata().object_for_each([&](const std::string &key, const AMFValue &value){
-        _metadata.set(key,value);
-    });
+    //添加metadata
+    Metadata::addTrack(_metadata,track);
 }

 void RtmpMuxer::inputFrame(const Frame::Ptr &frame) {
--- a/src/Rtmp/RtmpSession.cpp
+++ b/src/Rtmp/RtmpSession.cpp
@ -130,8 +130,7 @@ void RtmpSession::onCmd_publish(AMFDecoder &dec) {
        auto src = dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,
                                                                           _mediaInfo._vhost,
                                                                           _mediaInfo._app,
-                                                                           _mediaInfo._streamid,
-                                                                           false));
+                                                                           _mediaInfo._streamid));
        bool authSuccess = err.empty();
        bool ok = (!src && !_pPublisherSrc && authSuccess);
        AMFValue status(AMF_OBJECT);
@ -158,6 +157,12 @@ void RtmpSession::onCmd_publish(AMFDecoder &dec) {
        setSocketFlags();
    };

+    if(_mediaInfo._app.empty() || _mediaInfo._streamid.empty()){
+        //不允许莫名其妙的推流url
+        onRes("rtmp推流url非法", false, false, false);
+        return;
+    }
+
    Broadcast::PublishAuthInvoker invoker = [weakSelf,onRes,pToken](const string &err,bool enableRtxp,bool enableHls,bool enableMP4){
        auto strongSelf = weakSelf.lock();
        if(!strongSelf){
@ -266,6 +271,8 @@ void RtmpSession::sendPlayResponse(const string &err,const RtmpMediaSource::Ptr
        onSendMedia(pkt);
    });

+    //音频同步于视频
+    _stamp[0].syncTo(_stamp[1]);
    _pRingReader = src->getRing()->attach(getPoller());
    weak_ptr<RtmpSession> weakSelf = dynamic_pointer_cast<RtmpSession>(shared_from_this());
    _pRingReader->setReadCB([weakSelf](const RtmpMediaSource::RingDataType &pkt) {
--- a/src/Rtmp/amf.cpp
+++ b/src/Rtmp/amf.cpp
@ -44,6 +44,7 @@ inline void AMFValue::destroy() {
        break;
    }
 }
+
 inline void AMFValue::init() {
    switch (_type) {
    case AMF_OBJECT:
@ -60,14 +61,13 @@ inline void AMFValue::init() {
    default:
        break;
    }
-
 }
+
 AMFValue::AMFValue(AMFType type) :
        _type(type) {
    init();
 }

-
 AMFValue::~AMFValue() {
    destroy();
 }
@ -78,7 +78,6 @@ AMFValue::AMFValue(const char *s) :
    *_value.string = s;
 }

-
 AMFValue::AMFValue(const std::string &s) :
        _type(AMF_STRING) {
    init();
@ -108,15 +107,7 @@ AMFValue::AMFValue(const AMFValue &from) :
    *this = from;
 }

-AMFValue::AMFValue(AMFValue &&from) {
-    *this = std::forward<AMFValue>(from);
-}
-
 AMFValue& AMFValue::operator = (const AMFValue &from) {
-    return *this = const_cast<AMFValue &&>(from);
-
-}
-AMFValue& AMFValue::operator =(AMFValue &&from) {
    destroy();
    _type = from._type;
    init();
@ -144,7 +135,6 @@ AMFValue& AMFValue::operator =(AMFValue &&from) {
        break;
    }
    return *this;
-
 }

 void AMFValue::clear() {
@ -236,7 +226,6 @@ string AMFValue::to_string() const{
    }
 }

-
 const AMFValue& AMFValue::operator[](const char *str) const {
    if (_type != AMF_OBJECT && _type != AMF_ECMA_ARRAY) {
        throw std::runtime_error("AMF not a object");
@ -338,6 +327,7 @@ AMFEncoder & AMFEncoder::operator <<(const char *s) {
    }
    return *this;
 }
+
 AMFEncoder & AMFEncoder::operator <<(const std::string &s) {
    if (!s.empty()) {
        buf += char(AMF0_STRING);
@ -349,18 +339,22 @@ AMFEncoder & AMFEncoder::operator <<(const std::string &s) {
    }
    return *this;
 }
+
 AMFEncoder & AMFEncoder::operator <<(std::nullptr_t) {
    buf += char(AMF0_NULL);
    return *this;
 }
+
 AMFEncoder & AMFEncoder::write_undefined() {
    buf += char(AMF0_UNDEFINED);
    return *this;

 }
+
 AMFEncoder & AMFEncoder::operator <<(const int n){
    return (*this) << (double)n;
 }
+
 AMFEncoder & AMFEncoder::operator <<(const double n) {
    buf += char(AMF0_NUMBER);
    uint64_t encoded = 0;
--- a/src/Rtmp/amf.h
+++ b/src/Rtmp/amf.h
@ -40,6 +40,7 @@ public:
    typedef std::map<std::string, AMFValue> mapType;
    typedef std::vector<AMFValue> arrayType;

+    ~AMFValue();
    AMFValue(AMFType type = AMF_NULL);
    AMFValue(const char *s);
    AMFValue(const std::string &s);
@ -47,10 +48,7 @@ public:
    AMFValue(int i);
    AMFValue(bool b);
    AMFValue(const AMFValue &from);
-    AMFValue(AMFValue &&from);
    AMFValue &operator = (const AMFValue &from);
-    AMFValue &operator =(AMFValue &&from);
-    ~AMFValue();

    void clear();
    AMFType type() const ;
--- a/src/Rtp/Decoder.cpp
+++ b/src/Rtp/Decoder.cpp
@ -8,18 +8,211 @@
 * may be found in the AUTHORS file in the root of the source tree.
 */

-#if defined(ENABLE_RTPPROXY)
 #include "Decoder.h"
 #include "PSDecoder.h"
 #include "TSDecoder.h"
+#include "Extension/H264.h"
+#include "Extension/H265.h"
+#include "Extension/AAC.h"
+#include "Extension/G711.h"
+
+#if defined(ENABLE_RTPPROXY) || defined(ENABLE_HLS)
+#include "mpeg-ts-proto.h"
+#endif
+
 namespace mediakit {
-Decoder::Ptr Decoder::createDecoder(Decoder::Type type) {
+static Decoder::Ptr createDecoder_l(DecoderImp::Type type) {
    switch (type){
-        case decoder_ps : return std::make_shared<PSDecoder>();
-        case decoder_ts : return std::make_shared<TSDecoder>();
+        case DecoderImp::decoder_ps:
+#ifdef ENABLE_RTPPROXY
+            return std::make_shared<PSDecoder>();
+#else
+            WarnL << "创建ps解复用器失败，请打开ENABLE_RTPPROXY然后重新编译";
+            return nullptr;
+#endif//ENABLE_RTPPROXY
+
+        case DecoderImp::decoder_ts:
+#ifdef ENABLE_HLS
+            return std::make_shared<TSDecoder>();
+#else
+            WarnL << "创建mpegts解复用器失败，请打开ENABLE_HLS然后重新编译";
+            return nullptr;
+#endif//ENABLE_HLS
+
        default: return nullptr;
    }
 }

+/////////////////////////////////////////////////////////////
+
+DecoderImp::Ptr DecoderImp::createDecoder(Type type, MediaSinkInterface *sink){
+    auto decoder =  createDecoder_l(type);
+    if(!decoder){
+        return nullptr;
+    }
+    return DecoderImp::Ptr(new DecoderImp(decoder, sink));
+}
+
+int DecoderImp::input(const uint8_t *data, int bytes){
+    return _decoder->input(data, bytes);
+}
+
+DecoderImp::DecoderImp(const Decoder::Ptr &decoder, MediaSinkInterface *sink){
+    _decoder = decoder;
+    _sink = sink;
+    _decoder->setOnDecode([this](int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes){
+        onDecode(stream,codecid,flags,pts,dts,data,bytes);
+    });
+}
+
+#if defined(ENABLE_RTPPROXY) || defined(ENABLE_HLS)
+#define SWITCH_CASE(codec_id) case codec_id : return #codec_id
+static const char *getCodecName(int codec_id) {
+    switch (codec_id) {
+        SWITCH_CASE(PSI_STREAM_MPEG1);
+        SWITCH_CASE(PSI_STREAM_MPEG2);
+        SWITCH_CASE(PSI_STREAM_AUDIO_MPEG1);
+        SWITCH_CASE(PSI_STREAM_MP3);
+        SWITCH_CASE(PSI_STREAM_AAC);
+        SWITCH_CASE(PSI_STREAM_MPEG4);
+        SWITCH_CASE(PSI_STREAM_MPEG4_AAC_LATM);
+        SWITCH_CASE(PSI_STREAM_H264);
+        SWITCH_CASE(PSI_STREAM_MPEG4_AAC);
+        SWITCH_CASE(PSI_STREAM_H265);
+        SWITCH_CASE(PSI_STREAM_AUDIO_AC3);
+        SWITCH_CASE(PSI_STREAM_AUDIO_EAC3);
+        SWITCH_CASE(PSI_STREAM_AUDIO_DTS);
+        SWITCH_CASE(PSI_STREAM_VIDEO_DIRAC);
+        SWITCH_CASE(PSI_STREAM_VIDEO_VC1);
+        SWITCH_CASE(PSI_STREAM_VIDEO_SVAC);
+        SWITCH_CASE(PSI_STREAM_AUDIO_SVAC);
+        SWITCH_CASE(PSI_STREAM_AUDIO_G711A);
+        SWITCH_CASE(PSI_STREAM_AUDIO_G711U);
+        SWITCH_CASE(PSI_STREAM_AUDIO_G722);
+        SWITCH_CASE(PSI_STREAM_AUDIO_G723);
+        SWITCH_CASE(PSI_STREAM_AUDIO_G729);
+        default : return "unknown codec";
+    }
+}
+
+void FrameMerger::inputFrame(const Frame::Ptr &frame,const function<void(uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer)> &cb){
+    if (!_frameCached.empty() && _frameCached.back()->dts() != frame->dts()) {
+        Frame::Ptr back = _frameCached.back();
+        Buffer::Ptr merged_frame = back;
+        if(_frameCached.size() != 1){
+            string merged;
+            _frameCached.for_each([&](const Frame::Ptr &frame){
+                merged.append(frame->data(),frame->size());
+            });
+            merged_frame = std::make_shared<BufferString>(std::move(merged));
+        }
+        cb(back->dts(),back->pts(),merged_frame);
+        _frameCached.clear();
+    }
+    _frameCached.emplace_back(Frame::getCacheAbleFrame(frame));
+}
+
+void DecoderImp::onDecode(int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes) {
+    pts /= 90;
+    dts /= 90;
+
+    switch (codecid) {
+        case PSI_STREAM_H264: {
+            if (!_codecid_video) {
+                //获取到视频
+                _codecid_video = codecid;
+                InfoL<< "got video track: H264";
+                auto track = std::make_shared<H264Track>();
+                onTrack(track);
+            }
+
+            if (codecid != _codecid_video) {
+                WarnL<< "video track change to H264 from codecid:" << getCodecName(_codecid_video);
+                return;
+            }
+
+            auto frame = std::make_shared<H264FrameNoCacheAble>((char *) data, bytes, dts, pts,0);
+            _merger.inputFrame(frame,[this](uint32_t dts, uint32_t pts, const Buffer::Ptr &buffer) {
+                onFrame(std::make_shared<H264FrameNoCacheAble>(buffer->data(), buffer->size(), dts, pts, prefixSize(buffer->data(), buffer->size())));
+            });
+            break;
+        }
+
+        case PSI_STREAM_H265: {
+            if (!_codecid_video) {
+                //获取到视频
+                _codecid_video = codecid;
+                InfoL<< "got video track: H265";
+                auto track = std::make_shared<H265Track>();
+                onTrack(track);
+            }
+            if (codecid != _codecid_video) {
+                WarnL<< "video track change to H265 from codecid:" << getCodecName(_codecid_video);
+                return;
+            }
+            auto frame = std::make_shared<H265FrameNoCacheAble>((char *) data, bytes, dts, pts, 0);
+            _merger.inputFrame(frame,[this](uint32_t dts, uint32_t pts, const Buffer::Ptr &buffer) {
+                onFrame(std::make_shared<H265FrameNoCacheAble>(buffer->data(), buffer->size(), dts, pts, prefixSize(buffer->data(), buffer->size())));
+            });
+            break;
+        }
+
+        case PSI_STREAM_AAC: {
+            if (!_codecid_audio) {
+                //获取到音频
+                _codecid_audio = codecid;
+                InfoL<< "got audio track: AAC";
+                auto track = std::make_shared<AACTrack>();
+                onTrack(track);
+            }
+
+            if (codecid != _codecid_audio) {
+                WarnL<< "audio track change to AAC from codecid:" << getCodecName(_codecid_audio);
+                return;
+            }
+            onFrame(std::make_shared<AACFrameNoCacheAble>((char *) data, bytes, dts, 0, 7));
+            break;
+        }
+
+        case PSI_STREAM_AUDIO_G711A:
+        case PSI_STREAM_AUDIO_G711U: {
+            auto codec = codecid  == PSI_STREAM_AUDIO_G711A ? CodecG711A : CodecG711U;
+            if (!_codecid_audio) {
+                //获取到音频
+                _codecid_audio = codecid;
+                InfoL<< "got audio track: G711";
+                //G711传统只支持 8000/1/16的规格，FFmpeg貌似做了扩展，但是这里不管它了
+                auto track = std::make_shared<G711Track>(codec, 8000, 1, 16);
+                onTrack(track);
+            }
+
+            if (codecid != _codecid_audio) {
+                WarnL<< "audio track change to G711 from codecid:" << getCodecName(_codecid_audio);
+                return;
+            }
+            auto frame = std::make_shared<G711FrameNoCacheAble>((char *) data, bytes, dts);
+            frame->setCodec(codec);
+            onFrame(frame);
+            break;
+        }
+        default:
+            if(codecid != 0){
+                WarnL<< "unsupported codec type:" << getCodecName(codecid) << " " << (int)codecid;
+            }
+            break;
+    }
+}
+#else
+void DecoderImp::onDecode(int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes) {}
+#endif
+
+void DecoderImp::onTrack(const Track::Ptr &track) {
+    _sink->addTrack(track);
+}
+
+void DecoderImp::onFrame(const Frame::Ptr &frame) {
+    _sink->inputFrame(frame);
+}
+
 }//namespace mediakit
-#endif//defined(ENABLE_RTPPROXY)
+
--- a/src/Rtp/Decoder.h
+++ b/src/Rtp/Decoder.h
@ -11,31 +11,66 @@
 #ifndef ZLMEDIAKIT_DECODER_H
 #define ZLMEDIAKIT_DECODER_H

-#if defined(ENABLE_RTPPROXY)
 #include <stdint.h>
 #include <memory>
 #include <functional>
 #include "Decoder.h"
+#include "Common/MediaSink.h"
+
 using namespace std;
 namespace mediakit {

 class Decoder {
 public:
    typedef std::shared_ptr<Decoder> Ptr;
-    typedef enum {
-        decoder_ts = 0,
-        decoder_ps
-    }Type;
-
    typedef std::function<void(int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes)> onDecode;
    virtual int input(const uint8_t *data, int bytes) = 0;
    virtual void setOnDecode(const onDecode &decode) = 0;
-    static Ptr createDecoder(Type type);
 protected:
    Decoder() = default;
    virtual ~Decoder() = default;
 };

+/**
+ * 合并一些时间戳相同的frame
+ */
+class FrameMerger {
+public:
+    FrameMerger() = default;
+    ~FrameMerger() = default;
+    void inputFrame(const Frame::Ptr &frame,const function<void(uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer)> &cb);
+private:
+    List<Frame::Ptr> _frameCached;
+};
+
+class DecoderImp{
+public:
+    typedef enum {
+        decoder_ts = 0,
+        decoder_ps
+    }Type;
+
+    typedef std::shared_ptr<DecoderImp> Ptr;
+    ~DecoderImp() = default;
+
+    static Ptr createDecoder(Type type, MediaSinkInterface *sink);
+    int input(const uint8_t *data, int bytes);
+
+protected:
+    void onTrack(const Track::Ptr &track);
+    void onFrame(const Frame::Ptr &frame);
+
+private:
+    DecoderImp(const Decoder::Ptr &decoder, MediaSinkInterface *sink);
+    void onDecode(int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes);
+
+private:
+    Decoder::Ptr _decoder;
+    MediaSinkInterface *_sink;
+    FrameMerger _merger;
+    int _codecid_video = 0;
+    int _codecid_audio = 0;
+};
+
 }//namespace mediakit
-#endif//defined(ENABLE_RTPPROXY)
 #endif //ZLMEDIAKIT_DECODER_H
--- a/src/Rtp/RtpDecoder.cpp
+++ b/src/Rtp/RtpDecoder.cpp
@ -16,8 +16,9 @@ using namespace toolkit;

 namespace mediakit{

-RtpDecoder::RtpDecoder() {
+RtpDecoder::RtpDecoder(const char *codec) {
    _buffer = std::make_shared<BufferRaw>();
+    _codec = codec;
 }

 RtpDecoder::~RtpDecoder() {
@ -46,7 +47,7 @@ void RtpDecoder::decodeRtp(const void *data, int bytes) {

        uint8_t rtp_type = 0x7F & ((uint8_t *) data)[1];
        InfoL << "rtp type:" << (int) rtp_type;
-        _rtp_decoder = rtp_payload_decode_create(rtp_type, "MP2P", &s_func, this);
+        _rtp_decoder = rtp_payload_decode_create(rtp_type, _codec.data(), &s_func, this);
        if (!_rtp_decoder) {
            WarnL << "unsupported rtp type:" << (int) rtp_type << ",size:" << bytes << ",hexdump" << hexdump(data, bytes > 16 ? 16 : bytes);
        }
--- a/src/Rtp/RtpDecoder.h
+++ b/src/Rtp/RtpDecoder.h
@ -19,14 +19,15 @@ namespace mediakit{

 class RtpDecoder {
 public:
-    RtpDecoder();
+    RtpDecoder(const char *codec = "MP2P");
    virtual ~RtpDecoder();
-protected:
    void decodeRtp(const void *data, int bytes);
+protected:
    virtual void onRtpDecode(const uint8_t *packet, int bytes, uint32_t timestamp, int flags) = 0;
 private:
    void *_rtp_decoder = nullptr;
    BufferRaw::Ptr _buffer;
+    string _codec;
 };

 }//namespace mediakit
--- a/src/Rtp/RtpProcess.cpp
+++ b/src/Rtp/RtpProcess.cpp
@ -9,44 +9,13 @@
 */

 #if defined(ENABLE_RTPPROXY)
-#include "mpeg-ts-proto.h"
 #include "RtpProcess.h"
 #include "Util/File.h"
-#include "Extension/H265.h"
-#include "Extension/AAC.h"
-#include "Extension/G711.h"
+#include "Http/HttpTSPlayer.h"
 #define RTP_APP_NAME "rtp"

 namespace mediakit{

-/**
-* 合并一些时间戳相同的frame
-*/
-class FrameMerger {
-public:
-    FrameMerger() = default;
-    virtual ~FrameMerger() = default;
-
-    void inputFrame(const Frame::Ptr &frame,const function<void(uint32_t dts,uint32_t pts,const Buffer::Ptr &buffer)> &cb){
-        if (!_frameCached.empty() && _frameCached.back()->dts() != frame->dts()) {
-            Frame::Ptr back = _frameCached.back();
-            Buffer::Ptr merged_frame = back;
-            if(_frameCached.size() != 1){
-                string merged;
-                _frameCached.for_each([&](const Frame::Ptr &frame){
-                    merged.append(frame->data(),frame->size());
-                });
-                merged_frame = std::make_shared<BufferString>(std::move(merged));
-            }
-            cb(back->dts(),back->pts(),merged_frame);
-            _frameCached.clear();
-        }
-        _frameCached.emplace_back(Frame::getCacheAbleFrame(frame));
-    }
-private:
-    List<Frame::Ptr> _frameCached;
-};
-
 string printSSRC(uint32_t ui32Ssrc) {
    char tmp[9] = { 0 };
    ui32Ssrc = htonl(ui32Ssrc);
@ -101,7 +70,6 @@ RtpProcess::RtpProcess(uint32_t ssrc) {
            });
        }
    }
-    _merger = std::make_shared<FrameMerger>();
 }

 RtpProcess::~RtpProcess() {
@ -147,7 +115,6 @@ bool RtpProcess::inputRtp(const Socket::Ptr &sock, const char *data, int data_le
    }

    _total_bytes += data_len;
-    _last_rtp_time.resetTime();
    bool ret = handleOneRtp(0,_track,(unsigned char *)data,data_len);
    if(dts_out){
        *dts_out = _dts;
@ -157,12 +124,12 @@ bool RtpProcess::inputRtp(const Socket::Ptr &sock, const char *data, int data_le

 //判断是否为ts负载
 static inline bool checkTS(const uint8_t *packet, int bytes){
-    return bytes % 188 == 0 && packet[0] == 0x47;
+    return bytes % TS_PACKET_SIZE == 0 && packet[0] == TS_SYNC_BYTE;
 }

 void RtpProcess::onRtpSorted(const RtpPacket::Ptr &rtp, int) {
-    if(rtp->sequence != _sequence + 1 && rtp->sequence != 0){
-        WarnP(this) << rtp->sequence << " != " << _sequence << "+1";
+    if(rtp->sequence != _sequence + 1 && _sequence != 0){
+        WarnP(this) << "rtp丢包:" << rtp->sequence << " != " << _sequence << "+1" << ",公网环境下请使用tcp方式推流";
    }
    _sequence = rtp->sequence;
    if(_save_file_rtp){
@ -184,152 +151,35 @@ void RtpProcess::onRtpDecode(const uint8_t *packet, int bytes, uint32_t timestam
        if (checkTS(packet, bytes)) {
            //猜测是ts负载
            InfoP(this) << "judged to be TS";
-            _decoder = Decoder::createDecoder(Decoder::decoder_ts);
+            _decoder = DecoderImp::createDecoder(DecoderImp::decoder_ts, this);
        } else {
            //猜测是ps负载
            InfoP(this) << "judged to be PS";
-            _decoder = Decoder::createDecoder(Decoder::decoder_ps);
+            _decoder = DecoderImp::createDecoder(DecoderImp::decoder_ps, this);
        }
-        _decoder->setOnDecode([this](int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes){
-            onDecode(stream,codecid,flags,pts,dts,data,bytes);
-        });
    }

+    if (_decoder) {
        auto ret = _decoder->input((uint8_t *) packet, bytes);
        if (ret != bytes) {
            WarnP(this) << ret << " != " << bytes << " " << flags;
        }
    }
-
-#define SWITCH_CASE(codec_id) case codec_id : return #codec_id
-static const char *getCodecName(int codec_id) {
-    switch (codec_id) {
-        SWITCH_CASE(PSI_STREAM_MPEG1);
-        SWITCH_CASE(PSI_STREAM_MPEG2);
-        SWITCH_CASE(PSI_STREAM_AUDIO_MPEG1);
-        SWITCH_CASE(PSI_STREAM_MP3);
-        SWITCH_CASE(PSI_STREAM_AAC);
-        SWITCH_CASE(PSI_STREAM_MPEG4);
-        SWITCH_CASE(PSI_STREAM_MPEG4_AAC_LATM);
-        SWITCH_CASE(PSI_STREAM_H264);
-        SWITCH_CASE(PSI_STREAM_MPEG4_AAC);
-        SWITCH_CASE(PSI_STREAM_H265);
-        SWITCH_CASE(PSI_STREAM_AUDIO_AC3);
-        SWITCH_CASE(PSI_STREAM_AUDIO_EAC3);
-        SWITCH_CASE(PSI_STREAM_AUDIO_DTS);
-        SWITCH_CASE(PSI_STREAM_VIDEO_DIRAC);
-        SWITCH_CASE(PSI_STREAM_VIDEO_VC1);
-        SWITCH_CASE(PSI_STREAM_VIDEO_SVAC);
-        SWITCH_CASE(PSI_STREAM_AUDIO_SVAC);
-        SWITCH_CASE(PSI_STREAM_AUDIO_G711A);
-        SWITCH_CASE(PSI_STREAM_AUDIO_G711U);
-        SWITCH_CASE(PSI_STREAM_AUDIO_G722);
-        SWITCH_CASE(PSI_STREAM_AUDIO_G723);
-        SWITCH_CASE(PSI_STREAM_AUDIO_G729);
-        default : return "unknown codec";
-    }
 }

-void RtpProcess::onDecode(int stream,int codecid,int flags,int64_t pts,int64_t dts,const void *data,int bytes) {
-    pts /= 90;
-    dts /= 90;
-    _stamps[codecid].revise(dts,pts,dts,pts,false);
+void  RtpProcess::inputFrame(const Frame::Ptr &frame){
+    _last_rtp_time.resetTime();
+    _dts = frame->dts();
+    if (_save_file_video && frame->getTrackType() == TrackVideo) {
+        fwrite((uint8_t *) frame->data(), frame->size(), 1, _save_file_video.get());
+    }
+    _muxer->inputFrame(frame);
+}

-    switch (codecid) {
-        case PSI_STREAM_H264: {
-            _dts = dts;
-            if (!_codecid_video) {
-                //获取到视频
-                _codecid_video = codecid;
-                InfoP(this) << "got video track: H264";
-                auto track = std::make_shared<H264Track>();
+void  RtpProcess::addTrack(const Track::Ptr & track){
    _muxer->addTrack(track);
 }

-            if (codecid != _codecid_video) {
-                WarnP(this) << "video track change to H264 from codecid:" << getCodecName(_codecid_video);
-                return;
-            }
-
-            if(_save_file_video){
-                fwrite((uint8_t *)data,bytes, 1, _save_file_video.get());
-            }
-            auto frame = std::make_shared<H264FrameNoCacheAble>((char *) data, bytes, dts, pts,0);
-            _merger->inputFrame(frame,[this](uint32_t dts, uint32_t pts, const Buffer::Ptr &buffer) {
-                _muxer->inputFrame(std::make_shared<H264FrameNoCacheAble>(buffer->data(), buffer->size(), dts, pts,4));
-            });
-            break;
-        }
-
-        case PSI_STREAM_H265: {
-            _dts = dts;
-            if (!_codecid_video) {
-                //获取到视频
-                _codecid_video = codecid;
-                InfoP(this) << "got video track: H265";
-                auto track = std::make_shared<H265Track>();
-                _muxer->addTrack(track);
-            }
-            if (codecid != _codecid_video) {
-                WarnP(this) << "video track change to H265 from codecid:" << getCodecName(_codecid_video);
-                return;
-            }
-            if(_save_file_video){
-                fwrite((uint8_t *)data,bytes, 1, _save_file_video.get());
-            }
-            auto frame = std::make_shared<H265FrameNoCacheAble>((char *) data, bytes, dts, pts, 0);
-            _merger->inputFrame(frame,[this](uint32_t dts, uint32_t pts, const Buffer::Ptr &buffer) {
-                _muxer->inputFrame(std::make_shared<H265FrameNoCacheAble>(buffer->data(), buffer->size(), dts, pts, 4));
-            });
-            break;
-        }
-
-        case PSI_STREAM_AAC: {
-            _dts = dts;
-            if (!_codecid_audio) {
-                //获取到音频
-                _codecid_audio = codecid;
-                InfoP(this) << "got audio track: AAC";
-                auto track = std::make_shared<AACTrack>();
-                _muxer->addTrack(track);
-            }
-
-            if (codecid != _codecid_audio) {
-                WarnP(this) << "audio track change to AAC from codecid:" << getCodecName(_codecid_audio);
-                return;
-            }
-            _muxer->inputFrame(std::make_shared<AACFrameNoCacheAble>((char *) data, bytes, dts, 0, 7));
-            break;
-        }
-
-        case PSI_STREAM_AUDIO_G711A:
-        case PSI_STREAM_AUDIO_G711U: {
-            _dts = dts;
-            auto codec = codecid  == PSI_STREAM_AUDIO_G711A ? CodecG711A : CodecG711U;
-            if (!_codecid_audio) {
-                //获取到音频
-                _codecid_audio = codecid;
-                InfoP(this) << "got audio track: G711";
-                //G711传统只支持 8000/1/16的规格，FFmpeg貌似做了扩展，但是这里不管它了
-                auto track = std::make_shared<G711Track>(codec, 8000, 1, 16);
-                _muxer->addTrack(track);
-            }
-
-            if (codecid != _codecid_audio) {
-                WarnP(this) << "audio track change to G711 from codecid:" << getCodecName(_codecid_audio);
-                return;
-            }
-            _muxer->inputFrame(std::make_shared<G711FrameNoCacheAble>(codec, (char *) data, bytes, dts));
-            break;
-        }
-        default:
-            if(codecid != 0){
-                WarnP(this) << "unsupported codec type:" << getCodecName(codecid) << " " << (int)codecid;
-            }
-            return;
-    }
-}
-
 bool RtpProcess::alive() {
    GET_CONFIG(int,timeoutSec,RtpProxy::kTimeoutSec)
    if(_last_rtp_time.elapsedTime() / 1000 < timeoutSec){
@ -412,6 +262,5 @@ void RtpProcess::emitOnPublish() {
    }
 }

-
 }//namespace mediakit
 #endif//defined(ENABLE_RTPPROXY)
--- a/src/Rtp/RtpProcess.h
+++ b/src/Rtp/RtpProcess.h
@ -23,8 +23,7 @@ using namespace mediakit;
 namespace mediakit{

 string printSSRC(uint32_t ui32Ssrc);
-class FrameMerger;
-class RtpProcess : public RtpReceiver , public RtpDecoder, public SockInfo, public std::enable_shared_from_this<RtpProcess>{
+class RtpProcess : public RtpReceiver , public RtpDecoder, public SockInfo, public MediaSinkInterface, public std::enable_shared_from_this<RtpProcess>{
 public:
    typedef std::shared_ptr<RtpProcess> Ptr;
    RtpProcess(uint32_t ssrc);
@ -44,7 +43,9 @@ public:
 protected:
    void onRtpSorted(const RtpPacket::Ptr &rtp, int track_index) override ;
    void onRtpDecode(const uint8_t *packet, int bytes, uint32_t timestamp, int flags) override;
-    void onDecode(int stream,int codecid,int flags,int64_t pts,int64_t dts, const void *data,int bytes);
+    void inputFrame(const Frame::Ptr &frame) override;
+    void addTrack(const Track::Ptr & track) override;
+    void resetTracks() override {};

 private:
    void emitOnPublish();
@ -57,14 +58,10 @@ private:
    SdpTrack::Ptr _track;
    struct sockaddr *_addr = nullptr;
    uint16_t _sequence = 0;
-    int _codecid_video = 0;
-    int _codecid_audio = 0;
    MultiMediaSourceMuxer::Ptr _muxer;
-    std::shared_ptr<FrameMerger> _merger;
    Ticker _last_rtp_time;
-    unordered_map<int,Stamp> _stamps;
    uint32_t _dts = 0;
-    Decoder::Ptr _decoder;
+    DecoderImp::Ptr _decoder;
    std::weak_ptr<MediaSourceEvent> _listener;
    MediaInfo _media_info;
    uint64_t _total_bytes = 0;
--- a/src/Rtp/TSDecoder.cpp
+++ b/src/Rtp/TSDecoder.cpp
@ -8,34 +8,38 @@
 * may be found in the AUTHORS file in the root of the source tree.
 */

-#if defined(ENABLE_RTPPROXY)
-#include "mpeg-ts.h"
 #include "TSDecoder.h"
-#define TS_PACKET_SIZE 188
 namespace mediakit {

+bool TSSegment::isTSPacket(const char *data, int len){
+    return len == TS_PACKET_SIZE && ((uint8_t*)data)[0] == TS_SYNC_BYTE;
+}
+
 void TSSegment::setOnSegment(const TSSegment::onSegment &cb) {
    _onSegment = cb;
 }

 int64_t TSSegment::onRecvHeader(const char *data, uint64_t len) {
+    if (!isTSPacket(data, len)) {
+        WarnL << "不是ts包:" << (int) (data[0]) << " " << len;
+        return 0;
+    }
    _onSegment(data, len);
    return 0;
 }

 const char *TSSegment::onSearchPacketTail(const char *data, int len) {
    if (len < _size + 1) {
-        if (len == _size && ((uint8_t *) data)[0] == 0x47) {
+        if (len == _size && ((uint8_t *) data)[0] == TS_SYNC_BYTE) {
            return data + _size;
        }
        return nullptr;
    }
    //下一个包头
-    if (((uint8_t *) data)[_size] == 0x47) {
+    if (((uint8_t *) data)[_size] == TS_SYNC_BYTE) {
        return data + _size;
    }
-
-    auto pos = memchr(data + _size, 0x47, len - _size);
+    auto pos = memchr(data + _size, TS_SYNC_BYTE, len - _size);
    if (pos) {
        return (char *) pos;
    }
@ -44,12 +48,10 @@ const char *TSSegment::onSearchPacketTail(const char *data, int len) {

 ////////////////////////////////////////////////////////////////

-TSDecoder::TSDecoder() : _ts_segment(TS_PACKET_SIZE) {
+#if defined(ENABLE_HLS)
+#include "mpeg-ts.h"
+TSDecoder::TSDecoder() : _ts_segment() {
    _ts_segment.setOnSegment([this](const char *data,uint64_t len){
-        if(((uint8_t*)data)[0] != 0x47 || len != TS_PACKET_SIZE ){
-            WarnL << "不是ts包:" << (int)(data[0]) << " " << len;
-            return;
-        }
        ts_demuxer_input(_demuxer_ctx,(uint8_t*)data,len);
    });
    _demuxer_ctx = ts_demuxer_create([](void* param, int program, int stream, int codecid, int flags, int64_t pts, int64_t dts, const void* data, size_t bytes){
@ -66,7 +68,7 @@ TSDecoder::~TSDecoder() {
 }

 int TSDecoder::input(const uint8_t *data, int bytes) {
-    if(bytes == TS_PACKET_SIZE && ((uint8_t*)data)[0] == 0x47){
+    if (TSSegment::isTSPacket((char *)data, bytes)) {
        return ts_demuxer_input(_demuxer_ctx, (uint8_t *) data, bytes);
    }
    _ts_segment.input((char*)data,bytes);
@ -76,6 +78,6 @@ int TSDecoder::input(const uint8_t *data, int bytes) {
 void TSDecoder::setOnDecode(const Decoder::onDecode &decode) {
    _on_decode = decode;
 }
+#endif//defined(ENABLE_HLS)

 }//namespace mediakit
-#endif//defined(ENABLE_RTPPROXY)
--- a/src/Rtp/TSDecoder.h
+++ b/src/Rtp/TSDecoder.h
@ -11,7 +11,6 @@
 #ifndef ZLMEDIAKIT_TSDECODER_H
 #define ZLMEDIAKIT_TSDECODER_H

-#if defined(ENABLE_RTPPROXY)
 #include "Util/logger.h"
 #include "Http/HttpRequestSplitter.h"
 #include "Decoder.h"
@ -19,13 +18,17 @@
 using namespace toolkit;
 namespace mediakit {

-//ts包拆分器
+#define TS_PACKET_SIZE		188
+#define TS_SYNC_BYTE        0x47
+
+//TS包分割器，用于split一个一个的ts包
 class TSSegment : public HttpRequestSplitter {
 public:
    typedef std::function<void(const char *data,uint64_t len)> onSegment;
-    TSSegment(int size = 188) : _size(size){}
+    TSSegment(int size = TS_PACKET_SIZE) : _size(size){}
    ~TSSegment(){}
    void setOnSegment(const onSegment &cb);
+    static bool isTSPacket(const char *data, int len);
 protected:
    int64_t onRecvHeader(const char *data, uint64_t len) override ;
    const char *onSearchPacketTail(const char *data, int len) override ;
@ -34,6 +37,7 @@ private:
    onSegment _onSegment;
 };

+#if defined(ENABLE_HLS)
 //ts解析器
 class TSDecoder : public Decoder {
 public:
@ -46,7 +50,7 @@ private:
    struct ts_demuxer_t* _demuxer_ctx = nullptr;
    onDecode _on_decode;
 };
+#endif//defined(ENABLE_HLS)

 }//namespace mediakit
-#endif//defined(ENABLE_RTPPROXY)
 #endif //ZLMEDIAKIT_TSDECODER_H
--- a/src/Rtp/UdpRecver.cpp
+++ b/src/Rtp/UdpRecver.cpp
@ -17,8 +17,10 @@ UdpRecver::UdpRecver() {
 }

 UdpRecver::~UdpRecver() {
+    if(_sock){
        _sock->setOnRead(nullptr);
    }
+}

 bool UdpRecver::initSock(uint16_t local_port,const char *local_ip) {
    _sock.reset(new Socket(nullptr, false));
--- a/src/Rtsp/RtpCodec.cpp
+++ b/src/Rtsp/RtpCodec.cpp
@ -28,18 +28,18 @@ RtpPacket::Ptr RtpInfo::makeRtp(TrackType type, const void* data, unsigned int l
    pucRtp[2] = ui16RtpLen >> 8;
    pucRtp[3] = ui16RtpLen & 0x00FF;
    pucRtp[4] = 0x80;
-    pucRtp[5] = (mark << 7) | _ui8PlayloadType;
+    pucRtp[5] = (mark << 7) | _ui8PayloadType;
    memcpy(&pucRtp[6], &sq, 2);
    memcpy(&pucRtp[8], &ts, 4);
    //ssrc
    memcpy(&pucRtp[12], &sc, 4);

    if(data){
-        //playload
+        //payload
        memcpy(&pucRtp[16], data, len);
    }

-    rtppkt->PT = _ui8PlayloadType;
+    rtppkt->PT = _ui8PayloadType;
    rtppkt->interleaved = _ui8Interleaved;
    rtppkt->mark = mark;
    rtppkt->sequence = _ui16Sequence;
--- a/src/Rtsp/RtpCodec.h
+++ b/src/Rtsp/RtpCodec.h
@ -66,7 +66,7 @@ public:
    RtpInfo(uint32_t ui32Ssrc,
            uint32_t ui32MtuSize,
            uint32_t ui32SampleRate,
-            uint8_t ui8PlayloadType,
+            uint8_t ui8PayloadType,
            uint8_t ui8Interleaved) {
        if(ui32Ssrc == 0){
            ui32Ssrc = ((uint64_t)this) & 0xFFFFFFFF;
@ -74,7 +74,7 @@ public:
        _ui32Ssrc = ui32Ssrc;
        _ui32SampleRate = ui32SampleRate;
        _ui32MtuSize = ui32MtuSize;
-        _ui8PlayloadType = ui8PlayloadType;
+        _ui8PayloadType = ui8PayloadType;
        _ui8Interleaved = ui8Interleaved;
    }

@ -84,8 +84,8 @@ public:
        return _ui8Interleaved;
    }

-    int getPlayloadType() const {
-        return _ui8PlayloadType;
+    int getPayloadType() const {
+        return _ui8PayloadType;
    }

    int getSampleRate() const {
@ -110,7 +110,7 @@ protected:
    uint32_t _ui32Ssrc;
    uint32_t _ui32SampleRate;
    uint32_t _ui32MtuSize;
-    uint8_t _ui8PlayloadType;
+    uint8_t _ui8PayloadType;
    uint8_t _ui8Interleaved;
    uint16_t _ui16Sequence = 0;
    uint32_t _ui32TimeStamp = 0;
--- a/src/Rtsp/RtpMultiCaster.cpp
+++ b/src/Rtsp/RtpMultiCaster.cpp
@ -81,6 +81,7 @@ RtpMultiCaster::~RtpMultiCaster() {
    _pReader->setDetachCB(nullptr);
    DebugL;
 }
+
 RtpMultiCaster::RtpMultiCaster(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream) {
    auto src = dynamic_pointer_cast<RtspMediaSource>(MediaSource::find(RTSP_SCHEMA,strVhost,strApp, strStream));
    if(!src){
--- a/src/Rtsp/RtpReceiver.cpp
+++ b/src/Rtsp/RtpReceiver.cpp
@ -34,11 +34,11 @@ bool RtpReceiver::handleOneRtp(int track_index,SdpTrack::Ptr &track, unsigned ch
    }

    uint8_t padding = 0;
-    if (rtp_raw_ptr[0] & 0x40) {
+    if (rtp_raw_ptr[0] & 0x20) {
        //获取padding大小
        padding = rtp_raw_ptr[rtp_raw_len - 1];
        //移除padding flag
-        rtp_raw_ptr[0] &= ~0x40;
+        rtp_raw_ptr[0] &= ~0x20;
        //移除padding字节
        rtp_raw_len -= padding;
    }
--- a/src/Rtsp/Rtsp.cpp
+++ b/src/Rtsp/Rtsp.cpp
@ -365,5 +365,43 @@ bool RtspUrl::setup(bool isSSL, const string &strUrl, const string &strUser, con
    return true;
 }

-}//namespace mediakit
+std::pair<Socket::Ptr, Socket::Ptr> makeSockPair_l(const EventPoller::Ptr &poller, const string &local_ip){
+    auto pSockRtp = std::make_shared<Socket>(poller);
+    if (!pSockRtp->bindUdpSock(0, local_ip.data())) {
+        //分配端口失败
+        throw runtime_error("open udp socket failed");
+    }

+    //是否是偶数
+    bool even_numbers = pSockRtp->get_local_port() % 2 == 0;
+    auto pSockRtcp = std::make_shared<Socket>(poller);
+    if (!pSockRtcp->bindUdpSock(pSockRtp->get_local_port() + (even_numbers ? 1 : -1), local_ip.data())) {
+        //分配端口失败
+        throw runtime_error("open udp socket failed");
+    }
+
+    if (!even_numbers) {
+        //如果rtp端口不是偶数，那么与rtcp端口互换，目的是兼容一些要求严格的播放器或服务器
+        Socket::Ptr tmp = pSockRtp;
+        pSockRtp = pSockRtcp;
+        pSockRtcp = tmp;
+    }
+
+    return std::make_pair(pSockRtp, pSockRtcp);
+}
+
+std::pair<Socket::Ptr, Socket::Ptr> makeSockPair(const EventPoller::Ptr &poller, const string &local_ip){
+    int try_count = 0;
+    while (true) {
+        try {
+            return makeSockPair_l(poller, local_ip);
+        } catch (...) {
+            if (++try_count == 3) {
+                throw;
+            }
+            WarnL << "open udp socket failed, retry: " << try_count;
+        }
+    }
+}
+
+}//namespace mediakit
--- a/src/Rtsp/Rtsp.h
+++ b/src/Rtsp/Rtsp.h
@ -188,11 +188,11 @@ public:
    /**
     * 构造sdp
     * @param sample_rate 采样率
-     * @param playload_type pt类型
+     * @param payload_type pt类型
     */
-    Sdp(uint32_t sample_rate, uint8_t playload_type){
+    Sdp(uint32_t sample_rate, uint8_t payload_type){
        _sample_rate = sample_rate;
-        _playload_type = playload_type;
+        _payload_type = payload_type;
    }

    virtual ~Sdp(){}
@ -207,8 +207,8 @@ public:
     * 获取pt
     * @return
     */
-    uint8_t getPlayloadType() const{
-        return _playload_type;
+    uint8_t getPayloadType() const{
+        return _payload_type;
    }

    /**
@ -219,7 +219,7 @@ public:
        return _sample_rate;
    }
 private:
-    uint8_t _playload_type;
+    uint8_t _payload_type;
    uint32_t _sample_rate;
 };

@ -263,18 +263,7 @@ public:
    string getSdp() const override {
        return _printer;
    }
-    /**
-     * 返回音频或视频类型
-     * @return
-     */
-    TrackType getTrackType() const override {
-        return TrackTitle;
-    }

-    /**
-     * 返回编码器id
-     * @return
-     */
    CodecId getCodecId() const override{
        return CodecInvalid;
    }
@ -282,6 +271,7 @@ private:
    _StrPrinter _printer;
 };

-} //namespace mediakit
+std::pair<Socket::Ptr, Socket::Ptr> makeSockPair(const EventPoller::Ptr &poller, const string &local_ip);

+} //namespace mediakit
 #endif //RTSP_RTSP_H_
--- a/Show More
+++ b/Show More