diff --git a/api/include/mk_media.h b/api/include/mk_media.h
index 87b8836d..8b7b5974 100755
--- a/api/include/mk_media.h
+++ b/api/include/mk_media.h
@@ -54,7 +54,7 @@ API_EXPORT void API_CALL mk_media_init_video(mk_media ctx, int track_id, int wid
 /**
  * 添加音频轨道
  * @param ctx 对象指针
- * @param track_id  2:CodecAAC/3:CodecG711A/4:CodecG711U
+ * @param track_id  2:CodecAAC/3:CodecG711A/4:CodecG711U/5:OPUS
  * @param channel 通道数
  * @param sample_bit 采样位数，只支持16
  * @param sample_rate 采样率
@@ -95,7 +95,7 @@ API_EXPORT void API_CALL mk_media_input_h265(mk_media ctx, void *data, int len,
  * @param data 不包含adts头的单帧AAC数据
  * @param len 单帧AAC数据字节数
  * @param dts 时间戳，毫秒
- * @param adts adts头
+ * @param adts adts头，可以为null
  */
 API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, uint32_t dts, void *adts);
 
@@ -109,13 +109,13 @@ API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, u
 API_EXPORT void API_CALL mk_media_input_pcm(mk_media ctx, void *data, int len, uint32_t pts);
 
 /**
- * 输入单帧G711音频
+ * 输入单帧OPUS/G711音频帧
  * @param ctx 对象指针
- * @param data 单帧G711数据
- * @param len 单帧G711数据字节数
+ * @param data 单帧音频数据
+ * @param len  单帧音频数据字节数
  * @param dts 时间戳，毫秒
  */
-API_EXPORT void API_CALL mk_media_input_g711(mk_media ctx, void* data, int len, uint32_t dts);
+API_EXPORT void API_CALL mk_media_input_audio(mk_media ctx, void* data, int len, uint32_t dts);
 
 /**
  * MediaSource.close()回调事件
diff --git a/api/include/mk_player.h b/api/include/mk_player.h
index 342bf80a..555116a5 100755
--- a/api/include/mk_player.h
+++ b/api/include/mk_player.h
@@ -31,7 +31,7 @@ typedef void(API_CALL *on_mk_play_event)(void *user_data,int err_code,const char
  * 收到音视频数据回调
  * @param user_data 用户数据指针
  * @param track_type 0：视频，1：音频
- * @param codec_id 0：H264，1：H265，2：AAC 3.G711A 4.G711U
+ * @param codec_id 0：H264，1：H265，2：AAC 3.G711A 4.G711U 5.OPUS
  * @param data 数据指针
  * @param len 数据长度
  * @param dts 解码时间戳，单位毫秒
diff --git a/api/source/mk_media.cpp b/api/source/mk_media.cpp
index bad5bf51..73f7b07b 100755
--- a/api/source/mk_media.cpp
+++ b/api/source/mk_media.cpp
@@ -188,8 +188,8 @@ API_EXPORT void API_CALL mk_media_input_pcm(mk_media ctx, void *data , int len,
 #endif //ENABLE_FAAC
 }
 
-API_EXPORT void API_CALL mk_media_input_g711(mk_media ctx, void* data, int len, uint32_t dts){
+API_EXPORT void API_CALL mk_media_input_audio(mk_media ctx, void* data, int len, uint32_t dts){
     assert(ctx && data && len > 0);
     MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
-    (*obj)->getChannel()->inputG711((char*)data, len, dts);
+    (*obj)->getChannel()->inputAudio((char*)data, len, dts);
 }
diff --git a/src/Common/Device.cpp b/src/Common/Device.cpp
index 37a0056b..0231600f 100644
--- a/src/Common/Device.cpp
+++ b/src/Common/Device.cpp
@@ -12,22 +12,16 @@
 #include "Util/logger.h"
 #include "Util/base64.h"
 #include "Extension/AAC.h"
+#include "Extension/Opus.h"
 #include "Extension/G711.h"
 #include "Extension/H264.h"
 #include "Extension/H265.h"
-
 using namespace toolkit;
 
 namespace mediakit {
 
-DevChannel::DevChannel(const string &vhost,
-                       const string &app,
-                       const string &stream_id,
-                       float duration,
-                       bool enable_rtsp,
-                       bool enable_rtmp,
-                       bool enable_hls,
-                       bool enable_mp4) :
+DevChannel::DevChannel(const string &vhost, const string &app, const string &stream_id, float duration,
+                       bool enable_rtsp, bool enable_rtmp, bool enable_hls, bool enable_mp4) :
         MultiMediaSourceMuxer(vhost, app, stream_id, duration, enable_rtsp, enable_rtmp, enable_hls, enable_mp4) {}
 
 DevChannel::~DevChannel() {}
@@ -109,11 +103,12 @@ void DevChannel::inputH265(const char *data, int len, uint32_t dts, uint32_t pts
     inputFrame(frame);
 }
 
-class AACFrameCacheAble : public AACFrameNoCacheAble{
+class FrameAutoDelete : public FrameFromPtr{
 public:
     template <typename ... ARGS>
-    AACFrameCacheAble(ARGS && ...args) : AACFrameNoCacheAble(std::forward<ARGS>(args)...){};
-    virtual ~AACFrameCacheAble() {
+    FrameAutoDelete(ARGS && ...args) : FrameFromPtr(std::forward<ARGS>(args)...){}
+
+    ~FrameAutoDelete() override {
         delete [] _ptr;
     };
 
@@ -123,31 +118,32 @@ public:
 };
 
 void DevChannel::inputAAC(const char *data_without_adts, int len, uint32_t dts, const char *adts_header){
-    if(dts == 0){
-        dts = (uint32_t)_aTicker[1].elapsedTime();
+    if (dts == 0) {
+        dts = (uint32_t) _aTicker[1].elapsedTime();
     }
 
-    if(adts_header){
-        if(adts_header + 7 == data_without_adts){
+    if (adts_header) {
+        if (adts_header + ADTS_HEADER_LEN == data_without_adts) {
             //adts头和帧在一起
-            inputFrame(std::make_shared<AACFrameNoCacheAble>((char *)data_without_adts - 7, len + 7, dts, 0, 7));
-        }else{
+            inputFrame(std::make_shared<FrameFromPtr>(_audio->codecId, (char *) data_without_adts - ADTS_HEADER_LEN, len + ADTS_HEADER_LEN, dts, 0, ADTS_HEADER_LEN));
+        } else {
             //adts头和帧不在一起
-            char *dataWithAdts = new char[len + 7];
-            memcpy(dataWithAdts, adts_header, 7);
-            memcpy(dataWithAdts + 7 , data_without_adts , len);
-            inputFrame(std::make_shared<AACFrameCacheAble>(dataWithAdts, len + 7, dts, 0, 7));
+            char *data_with_adts = new char[len + ADTS_HEADER_LEN];
+            memcpy(data_with_adts, adts_header, ADTS_HEADER_LEN);
+            memcpy(data_with_adts + ADTS_HEADER_LEN, data_without_adts, len);
+            inputFrame(std::make_shared<FrameAutoDelete>(_audio->codecId, data_with_adts, len + ADTS_HEADER_LEN, dts, 0, ADTS_HEADER_LEN));
         }
+    } else {
+        //没有adts头
+        inputFrame(std::make_shared<FrameFromPtr>(_audio->codecId, (char *) data_without_adts, len, dts, 0, 0));
     }
 }
 
-void DevChannel::inputG711(const char *data, int len, uint32_t dts){
+void DevChannel::inputAudio(const char *data, int len, uint32_t dts){
     if (dts == 0) {
-        dts = (uint32_t)_aTicker[1].elapsedTime();
+        dts = (uint32_t) _aTicker[1].elapsedTime();
     }
-    auto frame = std::make_shared<G711FrameNoCacheAble>((char*)data, len, dts, 0);
-    frame->setCodec(_audio->codecId);
-    inputFrame(frame);
+    inputFrame(std::make_shared<FrameFromPtr>(_audio->codecId, (char *) data, len, dts, 0));
 }
 
 void DevChannel::initVideo(const VideoInfo &info) {
@@ -165,6 +161,7 @@ void DevChannel::initAudio(const AudioInfo &info) {
         case CodecAAC : addTrack(std::make_shared<AACTrack>()); break;
         case CodecG711A :
         case CodecG711U : addTrack(std::make_shared<G711Track>(info.codecId, info.iSampleRate, info.iChannel, info.iSampleBit)); break;
+        case CodecOpus : addTrack(std::make_shared<OpusTrack>()); break;
         default: WarnL << "不支持该类型的音频编码类型:" << info.codecId; break;
     }
 }
diff --git a/src/Common/Device.h b/src/Common/Device.h
index a2129d98..dbff5424 100644
--- a/src/Common/Device.h
+++ b/src/Common/Device.h
@@ -17,11 +17,9 @@
 #include "Util/util.h"
 #include "Util/TimeTicker.h"
 #include "Common/MultiMediaSourceMuxer.h"
-
 using namespace std;
 using namespace toolkit;
 
-
 #ifdef ENABLE_FAAC
 #include "Codec/AACEncoder.h"
 #endif //ENABLE_FAAC
@@ -55,16 +53,10 @@ class DevChannel  : public MultiMediaSourceMuxer{
 public:
     typedef std::shared_ptr<DevChannel> Ptr;
     //fDuration<=0为直播，否则为点播
-    DevChannel(const string &vhost,
-               const string &app,
-               const string &stream_id,
-               float duration = 0,
-               bool enable_rtsp = true,
-               bool enable_rtmp = true,
-               bool enable_hls = true,
-               bool enable_mp4 = false);
+    DevChannel(const string &vhost, const string &app, const string &stream_id, float duration = 0,
+               bool enable_rtsp = true, bool enable_rtmp = true, bool enable_hls = true, bool enable_mp4 = false);
 
-    virtual ~DevChannel();
+    ~DevChannel() override ;
 
     /**
      * 初始化视频Track
@@ -108,12 +100,12 @@ public:
     void inputAAC(const char *data_without_adts, int len, uint32_t dts, const char *adts_header);
 
     /**
-     * G711音频帧
+     * 输入OPUS/G711音频帧
      * @param data 音频帧
      * @param len 帧数据长度
      * @param dts 时间戳，单位毫秒
      */
-    void inputG711(const char* data, int len, uint32_t dts);
+    void inputAudio(const char *data, int len, uint32_t dts);
 
 #ifdef ENABLE_X264
     /**
diff --git a/src/Extension/AAC.h b/src/Extension/AAC.h
index aa9dbb1e..21fa4322 100644
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@@ -21,41 +21,6 @@ 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 FrameImp {
-public:
-    typedef std::shared_ptr<AACFrame> Ptr;
-    AACFrame(){
-        _codecid = CodecAAC;
-    }
-};
-
-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 prefix_size = ADTS_HEADER_LEN){
-        _ptr = ptr;
-        _size = size;
-        _dts = dts;
-        _prefix_size = prefix_size;
-    }
-
-    CodecId getCodecId() const override{
-        return CodecAAC;
-    }
-
-    bool keyFrame() const override {
-        return false;
-    }
-
-    bool configFrame() const override{
-        return false;
-    }
-};
-
 /**
  * aac音频通道
  */
diff --git a/src/Extension/AACRtmp.cpp b/src/Extension/AACRtmp.cpp
index c2e5de6c..30e60e02 100644
--- a/src/Extension/AACRtmp.cpp
+++ b/src/Extension/AACRtmp.cpp
@@ -43,7 +43,9 @@ bool AACRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &pkt, bool) {
 }
 
 void AACRtmpDecoder::onGetAAC(const char* data, int len, uint32_t stamp) {
-    auto frame = ResourcePoolHelper<AACFrame>::obtainObj();
+    auto frame = ResourcePoolHelper<FrameImp>::obtainObj();
+    frame->_codec_id = CodecAAC;
+
     //生成adts头
     char adts_header[32] = {0};
     auto size = dumpAacConfig(_aac_cfg, len, (uint8_t *) adts_header, sizeof(adts_header));
diff --git a/src/Extension/AACRtmp.h b/src/Extension/AACRtmp.h
index dc7f0d62..2e4ef271 100644
--- a/src/Extension/AACRtmp.h
+++ b/src/Extension/AACRtmp.h
@@ -19,7 +19,7 @@ namespace mediakit{
 /**
  * aac Rtmp转adts类
  */
-class AACRtmpDecoder : public RtmpCodec , public ResourcePoolHelper<AACFrame> {
+class AACRtmpDecoder : public RtmpCodec , public ResourcePoolHelper<FrameImp> {
 public:
     typedef std::shared_ptr<AACRtmpDecoder> Ptr;
 
diff --git a/src/Extension/AACRtp.cpp b/src/Extension/AACRtp.cpp
index 0140e277..8790cfeb 100644
--- a/src/Extension/AACRtp.cpp
+++ b/src/Extension/AACRtp.cpp
@@ -67,19 +67,19 @@ AACRtpDecoder::AACRtpDecoder(const Track::Ptr &track) {
     } else {
         _aac_cfg = aacTrack->getAacCfg();
     }
-    _frame = obtainFrame();
+    obtainFrame();
 }
 
 AACRtpDecoder::AACRtpDecoder() {
-    _frame = obtainFrame();
+    obtainFrame();
 }
 
-AACFrame::Ptr AACRtpDecoder::obtainFrame() {
+void 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->_prefix_size = 0;
-    frame->_buffer.clear();
-    return frame;
+    _frame = ResourcePoolHelper<FrameImp>::obtainObj();
+    _frame->_prefix_size = 0;
+    _frame->_buffer.clear();
+    _frame->_codec_id = CodecAAC;
 }
 
 bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
@@ -143,11 +143,7 @@ void AACRtpDecoder::flushData() {
         _frame->_prefix_size = size;
     }
     RtpCodec::inputFrame(_frame);
-    _frame = obtainFrame();
+    obtainFrame();
 }
 
-
-}//namespace mediakit
-
-
-
+}//namespace mediakit
\ No newline at end of file
diff --git a/src/Extension/AACRtp.h b/src/Extension/AACRtp.h
index fb9442a4..7e284c8e 100644
--- a/src/Extension/AACRtp.h
+++ b/src/Extension/AACRtp.h
@@ -17,7 +17,7 @@ namespace mediakit{
 /**
  * aac rtp转adts类
  */
-class AACRtpDecoder : public RtpCodec , public ResourcePoolHelper<AACFrame> {
+class AACRtpDecoder : public RtpCodec , public ResourcePoolHelper<FrameImp> {
 public:
     typedef std::shared_ptr<AACRtpDecoder> Ptr;
 
@@ -39,11 +39,11 @@ protected:
     AACRtpDecoder();
 
 private:
-    AACFrame::Ptr obtainFrame();
+    void obtainFrame();
     void flushData();
 
 private:
-    AACFrame::Ptr _frame;
+    FrameImp::Ptr _frame;
     string _aac_cfg;
     uint32_t _last_dts = 0;
 };
diff --git a/src/Extension/CommonRtmp.cpp b/src/Extension/CommonRtmp.cpp
new file mode 100644
index 00000000..db6bcbfd
--- /dev/null
+++ b/src/Extension/CommonRtmp.cpp
@@ -0,0 +1,67 @@
+/*
+ * 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 "CommonRtmp.h"
+
+namespace mediakit{
+
+CommonRtmpDecoder::CommonRtmpDecoder(CodecId codec) {
+    _codec = codec;
+    obtainFrame();
+}
+
+CodecId CommonRtmpDecoder::getCodecId() const {
+    return _codec;
+}
+
+void CommonRtmpDecoder::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
+    _frame = ResourcePoolHelper<FrameImp>::obtainObj();
+    _frame->_buffer.clear();
+    _frame->_codec_id = _codec;
+    _frame->_prefix_size = 0;
+}
+
+bool CommonRtmpDecoder::inputRtmp(const RtmpPacket::Ptr &rtmp, bool) {
+    //拷贝负载
+    _frame->_buffer.assign(rtmp->strBuf.data() + 1, rtmp->strBuf.size() - 1);
+    _frame->_dts = rtmp->timeStamp;
+    //写入环形缓存
+    RtmpCodec::inputFrame(_frame);
+    //创建下一帧
+    obtainFrame();
+    return false;
+}
+
+/////////////////////////////////////////////////////////////////////////////////////
+
+CommonRtmpEncoder::CommonRtmpEncoder(const Track::Ptr &track) : CommonRtmpDecoder(track->getCodecId()) {
+    _audio_flv_flags = getAudioRtmpFlags(track);
+}
+
+void CommonRtmpEncoder::inputFrame(const Frame::Ptr &frame) {
+    if (!_audio_flv_flags) {
+        return;
+    }
+    RtmpPacket::Ptr rtmp = ResourcePoolHelper<RtmpPacket>::obtainObj();
+    rtmp->strBuf.clear();
+    //header
+    rtmp->strBuf.push_back(_audio_flv_flags);
+    //data
+    rtmp->strBuf.append(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
+    rtmp->bodySize = rtmp->strBuf.size();
+    rtmp->chunkId = CHUNK_AUDIO;
+    rtmp->streamId = STREAM_MEDIA;
+    rtmp->timeStamp = frame->dts();
+    rtmp->typeId = MSG_AUDIO;
+    RtmpCodec::inputRtmp(rtmp, false);
+}
+
+}//namespace mediakit
\ No newline at end of file
diff --git a/src/Extension/CommonRtmp.h b/src/Extension/CommonRtmp.h
new file mode 100644
index 00000000..6624a474
--- /dev/null
+++ b/src/Extension/CommonRtmp.h
@@ -0,0 +1,74 @@
+/*
+ * 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_COMMONRTMP_H
+#define ZLMEDIAKIT_COMMONRTMP_H
+
+#include "Frame.h"
+#include "Rtmp/RtmpCodec.h"
+
+namespace mediakit{
+
+/**
+ * 通用 rtmp解码类
+ */
+class CommonRtmpDecoder : public RtmpCodec , public ResourcePoolHelper<FrameImp> {
+public:
+    typedef std::shared_ptr<CommonRtmpDecoder> Ptr;
+
+    ~CommonRtmpDecoder() override {}
+
+    /**
+     * 构造函数
+     * @param codec 编码id
+     */
+    CommonRtmpDecoder(CodecId codec);
+
+    /**
+     * 返回编码类型ID
+     */
+    CodecId getCodecId() const override;
+
+    /**
+     * 输入Rtmp并解码
+     * @param rtmp Rtmp数据包
+     * @param key_pos 此参数内部强制转换为false,请忽略之
+     */
+    bool inputRtmp(const RtmpPacket::Ptr &rtmp, bool key_pos = false) override;
+
+private:
+    void obtainFrame();
+
+private:
+    CodecId _codec;
+    FrameImp::Ptr _frame;
+};
+
+/**
+ * 通用 rtmp编码类
+ */
+class CommonRtmpEncoder : public CommonRtmpDecoder , public ResourcePoolHelper<RtmpPacket> {
+public:
+    typedef std::shared_ptr<CommonRtmpEncoder> Ptr;
+
+    CommonRtmpEncoder(const Track::Ptr &track);
+    ~CommonRtmpEncoder() override{}
+
+    /**
+     * 输入帧数据
+     */
+    void inputFrame(const Frame::Ptr &frame) override;
+
+private:
+    uint8_t _audio_flv_flags = 0;
+};
+
+}//namespace mediakit
+#endif //ZLMEDIAKIT_COMMONRTMP_H
diff --git a/src/Extension/CommonRtp.cpp b/src/Extension/CommonRtp.cpp
new file mode 100644
index 00000000..243b96c9
--- /dev/null
+++ b/src/Extension/CommonRtp.cpp
@@ -0,0 +1,87 @@
+/*
+ * 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 "CommonRtp.h"
+
+#define MAX_FRAME_SIZE 2 * 1024
+
+CommonRtpDecoder::CommonRtpDecoder(CodecId codec){
+    _codec = codec;
+    obtainFrame();
+}
+
+CodecId CommonRtpDecoder::getCodecId() const {
+    return _codec;
+}
+
+void CommonRtpDecoder::obtainFrame() {
+    _frame = ResourcePoolHelper<FrameImp>::obtainObj();
+    _frame->_buffer.clear();
+    _frame->_prefix_size = 0;
+    _frame->_dts = 0;
+    _frame->_codec_id = _codec;
+}
+
+bool CommonRtpDecoder::inputRtp(const RtpPacket::Ptr &rtp, bool){
+    auto payload = rtp->data() + rtp->offset;
+    auto size = rtp->size() - rtp->offset;
+    if (size <= 0) {
+        //无实际负载
+        return false;
+    }
+
+    if (_frame->_dts != rtp->timeStamp || _frame->_buffer.size() > MAX_FRAME_SIZE) {
+        //时间戳发生变化或者缓存超过MAX_FRAME_SIZE，则清空上帧数据
+        if (!_frame->_buffer.empty()) {
+            //有有效帧，则输出
+            RtpCodec::inputFrame(_frame);
+        }
+
+        //新的一帧数据
+        obtainFrame();
+        _frame->_dts = rtp->timeStamp;
+        _drop_flag = false;
+    } else if (_last_seq != 0 && _last_seq + (uint16_t) 1 != rtp->sequence) {
+        //时间戳未发生变化，但是seq却不连续，说明中间rtp丢包了，那么整帧应该废弃
+        WarnL << "rtp丢包:" << _last_seq << " -> " << rtp->sequence;
+        _drop_flag = true;
+        _frame->_buffer.clear();
+    }
+
+    if (!_drop_flag) {
+        _frame->_buffer.append(payload, size);
+    }
+
+    _last_seq = rtp->sequence;
+    return false;
+}
+
+////////////////////////////////////////////////////////////////
+
+CommonRtpEncoder::CommonRtpEncoder(CodecId codec, uint32_t ssrc, uint32_t mtu_size,
+                                   uint32_t sample_rate,  uint8_t payload_type, uint8_t interleaved)
+        : CommonRtpDecoder(codec), RtpInfo(ssrc, mtu_size, sample_rate, payload_type, interleaved) {
+}
+
+void CommonRtpEncoder::inputFrame(const Frame::Ptr &frame){
+    GET_CONFIG(uint32_t, cycleMS, Rtp::kCycleMS);
+    auto stamp = frame->dts() % cycleMS;
+    auto ptr = frame->data() + frame->prefixSize();
+    auto len = frame->size() - frame->prefixSize();
+    auto remain_size = len;
+    const auto max_rtp_size = _ui32MtuSize - 20;
+
+    while (remain_size > 0) {
+        auto rtp_size = remain_size > max_rtp_size ? max_rtp_size : remain_size;
+        RtpCodec::inputRtp(makeRtp(getTrackType(), ptr, rtp_size, false, stamp), false);
+        ptr += rtp_size;
+        remain_size -= rtp_size;
+    }
+}
\ No newline at end of file
diff --git a/src/Extension/CommonRtp.h b/src/Extension/CommonRtp.h
new file mode 100644
index 00000000..22c89ad1
--- /dev/null
+++ b/src/Extension/CommonRtp.h
@@ -0,0 +1,83 @@
+/*
+ * 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_COMMONRTP_H
+#define ZLMEDIAKIT_COMMONRTP_H
+
+#include "Frame.h"
+#include "Rtsp/RtpCodec.h"
+
+namespace mediakit{
+
+/**
+ * 通用 rtp解码类
+ */
+class CommonRtpDecoder : public RtpCodec, public ResourcePoolHelper<FrameImp> {
+public:
+    typedef std::shared_ptr <CommonRtpDecoder> Ptr;
+
+    ~CommonRtpDecoder() override {}
+
+    /**
+     * 构造函数
+     * @param codec 编码id
+     */
+    CommonRtpDecoder(CodecId codec);
+
+    /**
+     * 返回编码类型ID
+     */
+    CodecId getCodecId() const override;
+
+    /**
+     * 输入rtp并解码
+     * @param rtp rtp数据包
+     * @param key_pos 此参数内部强制转换为false,请忽略之
+     */
+    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
+
+private:
+    void obtainFrame();
+
+private:
+    CodecId _codec;
+    FrameImp::Ptr _frame;
+    uint16_t _last_seq = 0;
+    bool _drop_flag = false;
+};
+
+/**
+ * 通用 rtp编码类
+ */
+class CommonRtpEncoder : public CommonRtpDecoder, public RtpInfo {
+public:
+    typedef std::shared_ptr <CommonRtpEncoder> Ptr;
+
+    ~CommonRtpEncoder() override {}
+
+    /**
+     * 构造函数
+     * @param codec 编码类型
+     * @param ssrc ssrc
+     * @param mtu_size mtu 大小
+     * @param sample_rate 采样率
+     * @param payload_type pt类型
+     * @param interleaved rtsp interleaved 值
+     */
+    CommonRtpEncoder(CodecId codec, uint32_t ssrc, uint32_t mtu_size, uint32_t sample_rate, uint8_t payload_type, uint8_t interleaved);
+
+    /**
+     * 输入帧数据并编码成rtp
+     */
+    void inputFrame(const Frame::Ptr &frame) override;
+};
+
+}//namespace mediakit
+#endif //ZLMEDIAKIT_COMMONRTP_H
diff --git a/src/Extension/Factory.cpp b/src/Extension/Factory.cpp
index 92771f38..fba7109b 100644
--- a/src/Extension/Factory.cpp
+++ b/src/Extension/Factory.cpp
@@ -13,11 +13,13 @@
 #include "H264Rtmp.h"
 #include "H265Rtmp.h"
 #include "AACRtmp.h"
-#include "G711Rtmp.h"
+#include "CommonRtmp.h"
 #include "H264Rtp.h"
 #include "AACRtp.h"
-#include "G711Rtp.h"
 #include "H265Rtp.h"
+#include "CommonRtp.h"
+#include "Opus.h"
+#include "G711.h"
 #include "Common/Parser.h"
 
 namespace mediakit{
@@ -42,6 +44,10 @@ Track::Ptr Factory::getTrackBySdp(const SdpTrack::Ptr &track) {
         return std::make_shared<AACTrack>(aac_cfg);
     }
 
+    if (strcasecmp(track->_codec.data(), "opus") == 0) {
+        return std::make_shared<OpusTrack>();
+    }
+
     if (strcasecmp(track->_codec.data(), "PCMA") == 0) {
         return std::make_shared<G711Track>(CodecG711A, track->_samplerate, track->_channel, 16);
     }
@@ -114,11 +120,12 @@ RtpCodec::Ptr Factory::getRtpEncoderBySdp(const Sdp::Ptr &sdp) {
     auto interleaved = sdp->getTrackType() * 2;
     auto codec_id = sdp->getCodecId();
     switch (codec_id){
-        case CodecH264 : return std::make_shared<H264RtpEncoder>(ssrc,mtu,sample_rate,pt,interleaved);
-        case CodecH265 : return std::make_shared<H265RtpEncoder>(ssrc,mtu,sample_rate,pt,interleaved);
-        case CodecAAC : return std::make_shared<AACRtpEncoder>(ssrc,mtu,sample_rate,pt,interleaved);
+        case CodecH264 : return std::make_shared<H264RtpEncoder>(ssrc, mtu, sample_rate, pt, interleaved);
+        case CodecH265 : return std::make_shared<H265RtpEncoder>(ssrc, mtu, sample_rate, pt, interleaved);
+        case CodecAAC : return std::make_shared<AACRtpEncoder>(ssrc, mtu, sample_rate, pt, interleaved);
+        case CodecOpus :
         case CodecG711A :
-        case CodecG711U : return std::make_shared<G711RtpEncoder>(codec_id, ssrc, mtu, sample_rate, pt, interleaved);
+        case CodecG711U : return std::make_shared<CommonRtpEncoder>(codec_id, ssrc, mtu, sample_rate, pt, interleaved);
         default : WarnL << "暂不支持该CodecId:" << codec_id; return nullptr;
     }
 }
@@ -128,8 +135,9 @@ RtpCodec::Ptr Factory::getRtpDecoderByTrack(const Track::Ptr &track) {
         case CodecH264 : return std::make_shared<H264RtpDecoder>();
         case CodecH265 : return std::make_shared<H265RtpDecoder>();
         case CodecAAC : return std::make_shared<AACRtpDecoder>(track->clone());
+        case CodecOpus :
         case CodecG711A :
-        case CodecG711U : return std::make_shared<G711RtpDecoder>(track->getCodecId());
+        case CodecG711U : return std::make_shared<CommonRtpDecoder>(track->getCodecId());
         default : WarnL << "暂不支持该CodecId:" << track->getCodecName(); return nullptr;
     }
 }
@@ -137,40 +145,35 @@ RtpCodec::Ptr Factory::getRtpDecoderByTrack(const Track::Ptr &track) {
 /////////////////////////////rtmp相关///////////////////////////////////////////
 
 static CodecId getVideoCodecIdByAmf(const AMFValue &val){
-    if (val.type() == AMF_STRING){
+    if (val.type() == AMF_STRING) {
         auto str = val.as_string();
-        if(str == "avc1"){
+        if (str == "avc1") {
             return CodecH264;
         }
-        if(str == "mp4a"){
-            return CodecAAC;
-        }
-        if(str == "hev1" || str == "hvc1"){
+        if (str == "hev1" || str == "hvc1") {
             return CodecH265;
         }
-        WarnL << "暂不支持该Amf:" << str;
+        WarnL << "暂不支持该视频Amf:" << str;
         return CodecInvalid;
     }
 
-    if (val.type() != AMF_NULL){
+    if (val.type() != AMF_NULL) {
         auto type_id = val.as_integer();
-        switch (type_id){
-            case FLV_CODEC_H264: return CodecH264;
-            case FLV_CODEC_AAC: return CodecAAC;
-            case FLV_CODEC_H265: return CodecH265;
-            default : WarnL << "暂不支持该Amf:" << type_id; return CodecInvalid;
+        switch (type_id) {
+            case FLV_CODEC_H264 : return CodecH264;
+            case FLV_CODEC_H265 : return CodecH265;
+            default : WarnL << "暂不支持该视频Amf:" << type_id; return CodecInvalid;
         }
     }
-
     return CodecInvalid;
 }
 
-
 Track::Ptr getTrackByCodecId(CodecId codecId, int sample_rate = 0, int channels = 0, int sample_bit = 0) {
     switch (codecId){
         case CodecH264 : return std::make_shared<H264Track>();
         case CodecH265 : return std::make_shared<H265Track>();
         case CodecAAC : return std::make_shared<AACTrack>();
+        case CodecOpus: return std::make_shared<OpusTrack>();
         case CodecG711A :
         case CodecG711U : return (sample_rate && channels && sample_bit) ? std::make_shared<G711Track>(codecId, sample_rate, channels, sample_bit) : nullptr;
         default : WarnL << "暂不支持该CodecId:" << codecId; return nullptr;
@@ -191,7 +194,7 @@ static CodecId getAudioCodecIdByAmf(const AMFValue &val) {
         if (str == "mp4a") {
             return CodecAAC;
         }
-        WarnL << "暂不支持该Amf:" << str;
+        WarnL << "暂不支持该音频Amf:" << str;
         return CodecInvalid;
     }
 
@@ -201,7 +204,8 @@ static CodecId getAudioCodecIdByAmf(const AMFValue &val) {
             case FLV_CODEC_AAC : return CodecAAC;
             case FLV_CODEC_G711A : return CodecG711A;
             case FLV_CODEC_G711U : return CodecG711U;
-            default : WarnL << "暂不支持该Amf:" << type_id; return CodecInvalid;
+            case FLV_CODEC_OPUS : return CodecOpus;
+            default : WarnL << "暂不支持该音频Amf:" << type_id; return CodecInvalid;
         }
     }
 
@@ -221,6 +225,7 @@ RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track, bool is_enc
         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 CodecOpus : return std::make_shared<CommonRtmpEncoder>(track);
         case CodecG711A :
         case CodecG711U : {
             auto audio_track = dynamic_pointer_cast<AudioTrack>(track);
@@ -235,7 +240,7 @@ RtmpCodec::Ptr Factory::getRtmpCodecByTrack(const Track::Ptr &track, bool is_enc
                       << ",该音频已被忽略";
                 return nullptr;
             }
-            return std::make_shared<G711RtmpEncoder>(track);
+            return std::make_shared<CommonRtmpEncoder>(track);
         }
         default : WarnL << "暂不支持该CodecId:" << track->getCodecName(); return nullptr;
     }
@@ -248,6 +253,7 @@ AMFValue Factory::getAmfByCodecId(CodecId codecId) {
         case CodecH265: return AMFValue(FLV_CODEC_H265);
         case CodecG711A: return AMFValue(FLV_CODEC_G711A);
         case CodecG711U: return AMFValue(FLV_CODEC_G711U);
+        case CodecOpus: return AMFValue(FLV_CODEC_OPUS);
         default: return AMFValue(AMF_NULL);
     }
 }
diff --git a/src/Extension/Frame.cpp b/src/Extension/Frame.cpp
index 1a5f8fd3..ec8a3608 100644
--- a/src/Extension/Frame.cpp
+++ b/src/Extension/Frame.cpp
@@ -35,12 +35,12 @@ public:
         _dts = frame->dts();
         _pts = frame->pts();
         _prefix_size = frame->prefixSize();
-        _codecid = frame->getCodecId();
+        _codec_id = frame->getCodecId();
         _key = frame->keyFrame();
         _config = frame->configFrame();
     }
 
-    virtual ~FrameCacheAble() = default;
+    ~FrameCacheAble() override = default;
 
     /**
      * 可以被缓存
@@ -49,10 +49,6 @@ public:
         return true;
     }
 
-    CodecId getCodecId() const override{
-        return _codecid;
-    }
-
     bool keyFrame() const override{
         return _key;
     }
@@ -60,10 +56,10 @@ public:
     bool configFrame() const override{
         return _config;
     }
+
 private:
     Frame::Ptr _frame;
     BufferRaw::Ptr _buffer;
-    CodecId _codecid;
     bool _key;
     bool _config;
 };
diff --git a/src/Extension/Frame.h b/src/Extension/Frame.h
index 5b34654b..6066d370 100644
--- a/src/Extension/Frame.h
+++ b/src/Extension/Frame.h
@@ -148,7 +148,7 @@ public:
     }
 
     CodecId getCodecId() const override{
-        return _codecid;
+        return _codec_id;
     }
 
     bool keyFrame() const override {
@@ -160,7 +160,7 @@ public:
     }
 
 public:
-    CodecId _codecid = CodecInvalid;
+    CodecId _codec_id = CodecInvalid;
     string _buffer;
     uint32_t _dts = 0;
     uint32_t _pts = 0;
@@ -314,9 +314,19 @@ private:
 class FrameFromPtr : public Frame{
 public:
     typedef std::shared_ptr<FrameFromPtr> Ptr;
+    FrameFromPtr(CodecId codec_id, char *ptr, uint32_t size, uint32_t dts, uint32_t pts = 0, int prefix_size = 0){
+        _codec_id = codec_id;
+        _ptr = ptr;
+        _size = size;
+        _dts = dts;
+        _pts = pts;
+        _prefix_size = prefix_size;
+    }
+
     char *data() const override{
         return _ptr;
     }
+
     uint32_t size() const override {
         return _size;
     }
@@ -336,12 +346,29 @@ public:
     bool cacheAble() const override {
         return false;
     }
+
+    CodecId getCodecId() const override{
+        return _codec_id;
+    }
+
+    bool keyFrame() const override {
+        return false;
+    }
+
+    bool configFrame() const override{
+        return false;
+    }
+
+protected:
+    FrameFromPtr() {}
+
 protected:
     char *_ptr;
     uint32_t _size;
     uint32_t _dts;
     uint32_t _pts = 0;
     uint32_t _prefix_size;
+    CodecId _codec_id = CodecInvalid;
 };
 
 }//namespace mediakit
diff --git a/src/Extension/G711.h b/src/Extension/G711.h
index 04e11b6a..72273831 100644
--- a/src/Extension/G711.h
+++ b/src/Extension/G711.h
@@ -16,47 +16,6 @@
 
 namespace mediakit{
 
-/**
- * G711帧
- */
-class G711Frame : public FrameImp {
-public:
-    G711Frame(){
-        _codecid = CodecG711A;
-    }
-};
-
-class G711FrameNoCacheAble : public FrameFromPtr {
-public:
-    typedef std::shared_ptr<G711FrameNoCacheAble> Ptr;
-
-    G711FrameNoCacheAble(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;
-    }
-
-    void setCodec(CodecId codecId){
-        _codecId = codecId;
-    }
-
-    CodecId getCodecId() const override{
-        return _codecId;
-    }
-
-    bool keyFrame() const override {
-        return false;
-    }
-
-    bool configFrame() const override{
-        return false;
-    }
-
-private:
-    CodecId _codecId;
-};
-
 /**
  * G711音频通道
  */
diff --git a/src/Extension/G711Rtmp.cpp b/src/Extension/G711Rtmp.cpp
deleted file mode 100644
index 7ffca2f0..00000000
--- a/src/Extension/G711Rtmp.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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 "G711Rtmp.h"
-
-namespace mediakit{
-
-G711RtmpDecoder::G711RtmpDecoder(CodecId codecId) {
-    _frame = obtainFrame();
-    _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;
-    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->_dts = pkt->timeStamp;
-    //写入环形缓存
-    RtmpCodec::inputFrame(_frame);
-    _frame = obtainFrame();
-    return false;
-}
-
-/////////////////////////////////////////////////////////////////////////////////////
-
-G711RtmpEncoder::G711RtmpEncoder(const Track::Ptr &track) : G711RtmpDecoder(track->getCodecId()) {
-    _audio_flv_flags = getAudioRtmpFlags(track);
-}
-
-void G711RtmpEncoder::inputFrame(const Frame::Ptr &frame) {
-    if(!_audio_flv_flags){
-        return;
-    }
-    RtmpPacket::Ptr rtmpPkt = ResourcePoolHelper<RtmpPacket>::obtainObj();
-    rtmpPkt->strBuf.clear();
-    //header
-    rtmpPkt->strBuf.push_back(_audio_flv_flags);
-
-    //g711 data
-    rtmpPkt->strBuf.append(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
-    rtmpPkt->bodySize = rtmpPkt->strBuf.size();
-    rtmpPkt->chunkId = CHUNK_AUDIO;
-    rtmpPkt->streamId = STREAM_MEDIA;
-    rtmpPkt->timeStamp = frame->dts();
-    rtmpPkt->typeId = MSG_AUDIO;
-    RtmpCodec::inputRtmp(rtmpPkt, false);
-}
-
-}//namespace mediakit
\ No newline at end of file
diff --git a/src/Extension/G711Rtmp.h b/src/Extension/G711Rtmp.h
deleted file mode 100644
index c2fea41b..00000000
--- a/src/Extension/G711Rtmp.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * 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_G711RTMPCODEC_H
-#define ZLMEDIAKIT_G711RTMPCODEC_H
-
-#include "Rtmp/RtmpCodec.h"
-#include "Extension/Track.h"
-#include "Extension/G711.h"
-
-namespace mediakit{
-/**
- * G711 Rtmp转G711 Frame类
- */
-class G711RtmpDecoder : public RtmpCodec , public ResourcePoolHelper<G711Frame> {
-public:
-    typedef std::shared_ptr<G711RtmpDecoder> Ptr;
-
-    G711RtmpDecoder(CodecId codecId);
-    ~G711RtmpDecoder() {}
-
-    /**
-     * 输入Rtmp并解码
-     * @param Rtmp Rtmp数据包
-     * @param key_pos 此参数内部强制转换为false,请忽略之
-     */
-    bool inputRtmp(const RtmpPacket::Ptr &Rtmp, bool key_pos = false) override;
-
-    CodecId getCodecId() const override{
-        return _codecId;
-    }
-private:
-    G711Frame::Ptr obtainFrame();
-private:
-    G711Frame::Ptr _frame;
-    CodecId _codecId;
-};
-
-/**
- * G711 RTMP打包类
- */
-class G711RtmpEncoder : public G711RtmpDecoder ,  public ResourcePoolHelper<RtmpPacket> {
-public:
-    typedef std::shared_ptr<G711RtmpEncoder> Ptr;
-
-    G711RtmpEncoder(const Track::Ptr &track);
-    ~G711RtmpEncoder() {}
-
-    /**
-     * 输入G711 数据
-     */
-    void inputFrame(const Frame::Ptr &frame) override;
-private:
-    uint8_t _audio_flv_flags = 0;
-};
-
-}//namespace mediakit
-
-#endif //ZLMEDIAKIT_G711RTMPCODEC_H
diff --git a/src/Extension/G711Rtp.cpp b/src/Extension/G711Rtp.cpp
deleted file mode 100644
index 48238db5..00000000
--- a/src/Extension/G711Rtp.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-/*
- * 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 "G711Rtp.h"
-
-namespace mediakit{
-
-G711RtpDecoder::G711RtpDecoder(CodecId codecid){
-    _codecid = codecid;
-    _frame = obtainFrame();
-}
-
-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->_dts = 0;
-    return frame;
-}
-
-bool G711RtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool) {
-    // 获取rtp数据长度
-    int length = rtppack->size() - rtppack->offset;
-    // 获取rtp数据
-    const char *rtp_packet_buf = rtppack->data() + rtppack->offset;
-
-    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);
-    //赋值时间戳
-    _frame->_dts = rtppack->timeStamp;
-
-    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);
-    }
-    return false;
-}
-
-void G711RtpDecoder::onGetG711(const G711Frame::Ptr &frame) {
-    if(!frame->_buffer.empty()){
-        //写入环形缓存
-        RtpCodec::inputFrame(frame);
-        _frame = obtainFrame();
-    }
-}
-
-/////////////////////////////////////////////////////////////////////////////////////
-
-G711RtpEncoder::G711RtpEncoder(CodecId codecid, uint32_t ui32Ssrc, uint32_t ui32MtuSize,
-                               uint32_t ui32SampleRate, uint8_t ui8PayloadType, uint8_t ui8Interleaved) :
-                               G711RtpDecoder(codecid),
-                               RtpInfo(ui32Ssrc, ui32MtuSize, ui32SampleRate, ui8PayloadType, ui8Interleaved) {
-}
-
-void G711RtpEncoder::inputFrame(const Frame::Ptr &frame) {
-    GET_CONFIG(uint32_t, cycleMS, Rtp::kCycleMS);
-    auto uiStamp = frame->dts();
-    auto pcData = frame->data() + frame->prefixSize();
-    auto iLen = frame->size() - frame->prefixSize();
-
-    uiStamp %= cycleMS;
-    char *ptr = (char *) pcData;
-    int iSize = iLen;
-    while (iSize > 0) {
-        if (iSize <= _ui32MtuSize - 20) {
-            makeG711Rtp(ptr, iSize, true, uiStamp);
-            break;
-        }
-        makeG711Rtp(ptr, _ui32MtuSize - 20, false, uiStamp);
-        ptr += (_ui32MtuSize - 20);
-        iSize -= (_ui32MtuSize - 20);
-    }
-}
-
-void G711RtpEncoder::makeG711Rtp(const void *data, unsigned int len, bool mark, uint32_t uiStamp) {
-    RtpCodec::inputRtp(makeRtp(getTrackType(), data, len, mark, uiStamp), false);
-}
-
-}//namespace mediakit
diff --git a/src/Extension/G711Rtp.h b/src/Extension/G711Rtp.h
deleted file mode 100644
index aca08e6d..00000000
--- a/src/Extension/G711Rtp.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * 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_G711RTPCODEC_H
-#define ZLMEDIAKIT_G711RTPCODEC_H
-#include "Rtsp/RtpCodec.h"
-#include "Extension/G711.h"
-namespace mediakit{
-
-/**
- * rtp转G711类
- */
-class G711RtpDecoder : public RtpCodec , public ResourcePoolHelper<G711Frame> {
-public:
-    typedef std::shared_ptr<G711RtpDecoder> Ptr;
-
-    G711RtpDecoder(CodecId codecid);
-    ~G711RtpDecoder() {}
-
-    /**
-     * 输入rtp并解码
-     * @param rtp rtp数据包
-     * @param key_pos 此参数内部强制转换为false,请忽略之
-     */
-    bool inputRtp(const RtpPacket::Ptr &rtp, bool key_pos = false) override;
-
-    CodecId getCodecId() const override{
-        return _codecid;
-    }
-
-private:
-    void onGetG711(const G711Frame::Ptr &frame);
-    G711Frame::Ptr obtainFrame();
-
-private:
-    G711Frame::Ptr _frame;
-    CodecId _codecid;
-};
-
-/**
- * g711 转rtp类
- */
-class G711RtpEncoder : public G711RtpDecoder , public RtpInfo {
-public:
-    typedef std::shared_ptr<G711RtpEncoder> Ptr;
-
-    /**
-     * @param ui32Ssrc ssrc
-     * @param ui32MtuSize mtu 大小
-     * @param ui32SampleRate 采样率
-     * @param ui8PayloadType pt类型
-     * @param ui8Interleaved rtsp interleaved 值
-     */
-    G711RtpEncoder(CodecId codecid,
-                   uint32_t ui32Ssrc,
-                   uint32_t ui32MtuSize,
-                   uint32_t ui32SampleRate,
-                   uint8_t ui8PayloadType = 0,
-                   uint8_t ui8Interleaved = TrackAudio * 2);
-    ~G711RtpEncoder() {}
-
-    /**
-     * @param frame g711数据
-     */
-    void inputFrame(const Frame::Ptr &frame) override;
-private:
-    void makeG711Rtp(const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
-};
-
-}//namespace mediakit
-
-#endif //ZLMEDIAKIT_G711RTPCODEC_H
diff --git a/src/Extension/H264.h b/src/Extension/H264.h
index a7fca526..34b8dffb 100644
--- a/src/Extension/H264.h
+++ b/src/Extension/H264.h
@@ -37,7 +37,7 @@ public:
     } NalType;
 
     H264Frame(){
-        _codecid = CodecH264;
+        _codec_id = CodecH264;
     }
 
     bool keyFrame() const override {
diff --git a/src/Extension/H265.h b/src/Extension/H265.h
index 5279908b..94d934e8 100644
--- a/src/Extension/H265.h
+++ b/src/Extension/H265.h
@@ -61,7 +61,7 @@ public:
     } NaleType;
 
     H265Frame(){
-        _codecid = CodecH265;
+        _codec_id = CodecH265;
     }
 
     bool keyFrame() const override {
diff --git a/src/Extension/Opus.h b/src/Extension/Opus.h
index 0a6e56d3..144afb77 100644
--- a/src/Extension/Opus.h
+++ b/src/Extension/Opus.h
@@ -16,52 +16,13 @@
 
 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){}
+    OpusTrack() : AudioTrackImp(CodecOpus,48000,2,16){}
 
 private:
     //克隆该Track
diff --git a/src/Player/PlayerProxy.cpp b/src/Player/PlayerProxy.cpp
index 6b726228..571a0019 100644
--- a/src/Player/PlayerProxy.cpp
+++ b/src/Player/PlayerProxy.cpp
@@ -46,31 +46,25 @@ static uint8_t s_mute_adts[] = {0xff, 0xf1, 0x6c, 0x40, 0x2d, 0x3f, 0xfc, 0x00,
 #define MUTE_ADTS_DATA_LEN sizeof(s_mute_adts)
 #define MUTE_ADTS_DATA_MS 130
 
-PlayerProxy::PlayerProxy(const string &strVhost,
-                         const string &strApp,
-                         const string &strSrc,
-                         bool bEnableRtsp,
-                         bool bEnableRtmp,
-                         bool bEnableHls,
-                         bool bEnableMp4,
-                         int iRetryCount,
-                         const EventPoller::Ptr &poller) : MediaPlayer(poller){
-    _strVhost = strVhost;
-    _strApp = strApp;
-    _strSrc = strSrc;
-    _bEnableRtsp = bEnableRtsp;
-    _bEnableRtmp = bEnableRtmp;
-    _bEnableHls = bEnableHls;
-    _bEnableMp4 = bEnableMp4;
-    _iRetryCount = iRetryCount;
+PlayerProxy::PlayerProxy(const string &vhost, const string &app, const string &stream_id,
+                         bool enable_rtsp, bool enable_rtmp, bool enable_hls, bool enable_mp4,
+                         int retry_count, const EventPoller::Ptr &poller) : MediaPlayer(poller){
+    _vhost = vhost;
+    _app = app;
+    _stream_id = stream_id;
+    _enable_rtsp = enable_rtsp;
+    _enable_rtmp = enable_rtmp;
+    _enable_hls = enable_hls;
+    _enable_mp4 = enable_mp4;
+    _retry_count = retry_count;
 }
 
 void PlayerProxy::setPlayCallbackOnce(const function<void(const SockException &ex)> &cb){
-    _playCB = cb;
+    _on_play = cb;
 }
 
 void PlayerProxy::setOnClose(const function<void()> &cb){
-    _onClose = cb;
+    _on_close = cb;
 }
 
 void PlayerProxy::play(const string &strUrlTmp) {
@@ -82,16 +76,16 @@ void PlayerProxy::play(const string &strUrlTmp) {
             return;
         }
 
-        if(strongSelf->_playCB) {
-            strongSelf->_playCB(err);
-            strongSelf->_playCB = nullptr;
+        if(strongSelf->_on_play) {
+            strongSelf->_on_play(err);
+            strongSelf->_on_play = nullptr;
         }
 
         if(!err) {
             // 播放成功
             *piFailedCnt = 0;//连续播放失败次数清0
             strongSelf->onPlaySuccess();
-        }else if(*piFailedCnt < strongSelf->_iRetryCount || strongSelf->_iRetryCount < 0) {
+        }else if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
             // 播放失败，延时重试播放
             strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
         }
@@ -101,21 +95,21 @@ void PlayerProxy::play(const string &strUrlTmp) {
         if(!strongSelf) {
             return;
         }
-        if(strongSelf->_mediaMuxer) {
+        if(strongSelf->_muxer) {
             auto tracks = strongSelf->getTracks(false);
             for (auto & track : tracks){
-                track->delDelegate(strongSelf->_mediaMuxer.get());
+                track->delDelegate(strongSelf->_muxer.get());
             }
 
             GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
             if (resetWhenRePlay) {
-                strongSelf->_mediaMuxer.reset();
+                strongSelf->_muxer.reset();
             } else {
-                strongSelf->_mediaMuxer->resetTracks();
+                strongSelf->_muxer->resetTracks();
             }
         }
         //播放异常中断，延时重试播放
-        if(*piFailedCnt < strongSelf->_iRetryCount || strongSelf->_iRetryCount < 0) {
+        if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
             strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
         }
     });
@@ -125,13 +119,14 @@ void PlayerProxy::play(const string &strUrlTmp) {
     if(dynamic_pointer_cast<RtspPlayer>(_delegate)){
         //rtsp拉流
         GET_CONFIG(bool,directProxy,Rtsp::kDirectProxy);
-        if(directProxy && _bEnableRtsp){
-            mediaSource = std::make_shared<RtspMediaSource>(_strVhost,_strApp,_strSrc);
+        if(directProxy && _enable_rtsp){
+            mediaSource = std::make_shared<RtspMediaSource>(_vhost, _app, _stream_id);
         }
     } else if(dynamic_pointer_cast<RtmpPlayer>(_delegate)){
         //rtmp拉流
-        if(_bEnableRtmp){
-            mediaSource = std::make_shared<RtmpMediaSource>(_strVhost,_strApp,_strSrc);
+        if(_enable_rtmp){
+            //rtmp强制直接代理
+            mediaSource = std::make_shared<RtmpMediaSource>(_vhost, _app, _stream_id);
         }
     }
     if(mediaSource){
@@ -143,6 +138,7 @@ void PlayerProxy::play(const string &strUrlTmp) {
 PlayerProxy::~PlayerProxy() {
     _timer.reset();
 }
+
 void PlayerProxy::rePlay(const string &strUrl,int iFailedCnt){
     auto iDelay = MAX(2 * 1000, MIN(iFailedCnt * 3000, 60*1000));
     weak_ptr<PlayerProxy> weakSelf = shared_from_this();
@@ -164,16 +160,17 @@ bool PlayerProxy::close(MediaSource &sender,bool force) {
     }
 
     //通知其停止推流
-    weak_ptr<PlayerProxy> weakSlef = dynamic_pointer_cast<PlayerProxy>(shared_from_this());
-    getPoller()->async_first([weakSlef]() {
-        auto stronSelf = weakSlef.lock();
-        if (stronSelf) {
-            stronSelf->_mediaMuxer.reset();
-            stronSelf->setMediaSouce(nullptr);
-            stronSelf->teardown();
-            if(stronSelf->_onClose){
-                stronSelf->_onClose();
-            }
+    weak_ptr<PlayerProxy> weakSelf = dynamic_pointer_cast<PlayerProxy>(shared_from_this());
+    getPoller()->async_first([weakSelf]() {
+        auto strongSelf = weakSelf.lock();
+        if (!strongSelf) {
+            return;
+        }
+        strongSelf->_muxer.reset();
+        strongSelf->setMediaSouce(nullptr);
+        strongSelf->teardown();
+        if (strongSelf->_on_close) {
+            strongSelf->_on_close();
         }
     });
     WarnL << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
@@ -181,7 +178,7 @@ bool PlayerProxy::close(MediaSource &sender,bool force) {
 }
 
 int PlayerProxy::totalReaderCount(){
-    return (_mediaMuxer ? _mediaMuxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
+    return (_muxer ? _muxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
 }
 
 int PlayerProxy::totalReaderCount(MediaSource &sender) {
@@ -193,88 +190,89 @@ public:
     typedef std::shared_ptr<MuteAudioMaker> Ptr;
 
     MuteAudioMaker(){};
-    virtual ~MuteAudioMaker(){}
+    ~MuteAudioMaker() override {}
+
     void inputFrame(const Frame::Ptr &frame) override {
         if(frame->getTrackType() == TrackVideo){
-            auto iAudioIndex = frame->dts() / MUTE_ADTS_DATA_MS;
-            if(_iAudioIndex != iAudioIndex){
-                _iAudioIndex = iAudioIndex;
-                auto aacFrame = std::make_shared<AACFrameCacheAble>((char *)MUTE_ADTS_DATA, MUTE_ADTS_DATA_LEN, _iAudioIndex * MUTE_ADTS_DATA_MS, 0);
+            auto audio_idx = frame->dts() / MUTE_ADTS_DATA_MS;
+            if(_audio_idx != audio_idx){
+                _audio_idx = audio_idx;
+                auto aacFrame = std::make_shared<FrameFromStaticPtr>(CodecAAC, (char *)MUTE_ADTS_DATA, MUTE_ADTS_DATA_LEN, _audio_idx * MUTE_ADTS_DATA_MS);
                 FrameDispatcher::inputFrame(aacFrame);
             }
         }
     }
 
 private:
-    class AACFrameCacheAble : public AACFrameNoCacheAble{
+    class FrameFromStaticPtr : public FrameFromPtr{
     public:
         template <typename ... ARGS>
-        AACFrameCacheAble(ARGS && ...args) : AACFrameNoCacheAble(std::forward<ARGS>(args)...){};
-        virtual ~AACFrameCacheAble() = default;
+        FrameFromStaticPtr(ARGS && ...args) : FrameFromPtr(std::forward<ARGS>(args)...) {};
+        ~FrameFromStaticPtr() override = default;
 
         bool cacheAble() const override {
             return true;
         }
     };
+
 private:
-    int _iAudioIndex = 0;
+    int _audio_idx = 0;
 };
 
 void PlayerProxy::onPlaySuccess() {
     GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
     if (dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc)) {
         //rtsp拉流代理
-        if (resetWhenRePlay || !_mediaMuxer) {
-            _mediaMuxer.reset(new MultiMediaSourceMuxer(_strVhost, _strApp, _strSrc, getDuration(), false, _bEnableRtmp, _bEnableHls, _bEnableMp4));
+        if (resetWhenRePlay || !_muxer) {
+            _muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), false, _enable_rtmp, _enable_hls, _enable_mp4));
         }
     } else if (dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc)) {
         //rtmp拉流代理
-        if (resetWhenRePlay || !_mediaMuxer) {
-            _mediaMuxer.reset(new MultiMediaSourceMuxer(_strVhost, _strApp, _strSrc, getDuration(), _bEnableRtsp, false, _bEnableHls, _bEnableMp4));
+        if (resetWhenRePlay || !_muxer) {
+            _muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, false, _enable_hls, _enable_mp4));
         }
     } else {
         //其他拉流代理
-        if (resetWhenRePlay || !_mediaMuxer) {
-            _mediaMuxer.reset(new MultiMediaSourceMuxer(_strVhost, _strApp, _strSrc, getDuration(), _bEnableRtsp, _bEnableRtmp, _bEnableHls, _bEnableMp4));
+        if (resetWhenRePlay || !_muxer) {
+            _muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, _enable_rtmp, _enable_hls, _enable_mp4));
         }
     }
-    _mediaMuxer->setMediaListener(shared_from_this());
+    _muxer->setMediaListener(shared_from_this());
 
-    auto videoTrack = getTrack(TrackVideo,false);
-    if(videoTrack){
+    auto videoTrack = getTrack(TrackVideo, false);
+    if (videoTrack) {
         //添加视频
-        _mediaMuxer->addTrack(videoTrack);
+        _muxer->addTrack(videoTrack);
         //视频数据写入_mediaMuxer
-        videoTrack->addDelegate(_mediaMuxer);
+        videoTrack->addDelegate(_muxer);
     }
 
     //是否添加静音音频
-    GET_CONFIG(bool,addMuteAudio,General::kAddMuteAudio);
+    GET_CONFIG(bool, addMuteAudio, General::kAddMuteAudio);
 
     auto audioTrack = getTrack(TrackAudio, false);
-    if(audioTrack){
+    if (audioTrack) {
         //添加音频
-        _mediaMuxer->addTrack(audioTrack);
+        _muxer->addTrack(audioTrack);
         //音频数据写入_mediaMuxer
-        audioTrack->addDelegate(_mediaMuxer);
-    }else if(addMuteAudio && videoTrack){
+        audioTrack->addDelegate(_muxer);
+    } else if (addMuteAudio && videoTrack) {
         //没有音频信息，产生一个静音音频
         MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
         //videoTrack把数据写入MuteAudioMaker
         videoTrack->addDelegate(audioMaker);
         //添加一个静音Track至_mediaMuxer
-        _mediaMuxer->addTrack(std::make_shared<AACTrack>());
+        _muxer->addTrack(std::make_shared<AACTrack>());
         //MuteAudioMaker生成静音音频然后写入_mediaMuxer；
-        audioMaker->addDelegate(_mediaMuxer);
+        audioMaker->addDelegate(_muxer);
     }
 
     //添加完毕所有track，防止单track情况下最大等待3秒
-    _mediaMuxer->addTrackCompleted();
+    _muxer->addTrackCompleted();
 
-    if(_pMediaSrc){
-        _pMediaSrc->setTrackSource(_mediaMuxer);
+    if (_pMediaSrc) {
+        _pMediaSrc->setTrackSource(_muxer);
     }
 }
 
-
 } /* namespace mediakit */
diff --git a/src/Player/PlayerProxy.h b/src/Player/PlayerProxy.h
index 4437a68a..999786f4 100644
--- a/src/Player/PlayerProxy.h
+++ b/src/Player/PlayerProxy.h
@@ -15,32 +15,22 @@
 #include "Common/Device.h"
 #include "Player/MediaPlayer.h"
 #include "Util/TimeTicker.h"
-
 using namespace std;
 using namespace toolkit;
 
-
 namespace mediakit {
 
-class PlayerProxy :public MediaPlayer,
-                   public std::enable_shared_from_this<PlayerProxy> ,
-                   public MediaSourceEvent{
+class PlayerProxy : public MediaPlayer, public MediaSourceEvent, public std::enable_shared_from_this<PlayerProxy> {
 public:
     typedef std::shared_ptr<PlayerProxy> Ptr;
 
-    //如果iRetryCount<0,则一直重试播放；否则重试iRetryCount次数
+    //如果retry_count<0,则一直重试播放；否则重试retry_count次数
     //默认一直重试
-    PlayerProxy(const string &strVhost,
-                const string &strApp,
-                const string &strSrc,
-                bool bEnableRtsp = true,
-                bool bEnableRtmp = true,
-                bool bEnableHls = true,
-                bool bEnableMp4 = false,
-                int iRetryCount = -1,
-                const EventPoller::Ptr &poller = nullptr);
+    PlayerProxy(const string &vhost, const string &app, const string &stream_id,
+                bool enable_rtsp = true, bool enable_rtmp = true, bool enable_hls = true, bool enable_mp4 = false,
+                int retry_count = -1, const EventPoller::Ptr &poller = nullptr);
 
-    virtual ~PlayerProxy();
+    ~PlayerProxy() override;
 
     /**
      * 设置play结果回调，只触发一次；在play执行之前有效
@@ -64,27 +54,28 @@ public:
      * 获取观看总人数
      */
     int totalReaderCount() ;
+
 private:
     //MediaSourceEvent override
     bool close(MediaSource &sender,bool force) override;
     int totalReaderCount(MediaSource &sender) override;
     void rePlay(const string &strUrl,int iFailedCnt);
     void onPlaySuccess();
+
 private:
-    bool _bEnableRtsp;
-    bool _bEnableRtmp;
-    bool _bEnableHls;
-    bool _bEnableMp4;
-    int _iRetryCount;
-    MultiMediaSourceMuxer::Ptr _mediaMuxer;
-    string _strVhost;
-    string _strApp;
-    string _strSrc;
+    bool _enable_rtsp;
+    bool _enable_rtmp;
+    bool _enable_hls;
+    bool _enable_mp4;
+    int _retry_count;
+    string _vhost;
+    string _app;
+    string _stream_id;
     Timer::Ptr _timer;
-    function<void(const SockException &ex)> _playCB;
-    function<void()> _onClose;
+    function<void()> _on_close;
+    function<void(const SockException &ex)> _on_play;
+    MultiMediaSourceMuxer::Ptr _muxer;
 };
 
 } /* namespace mediakit */
-
 #endif /* SRC_DEVICE_PLAYERPROXY_H_ */
diff --git a/src/Record/MP4Demuxer.cpp b/src/Record/MP4Demuxer.cpp
index 7b0fadd4..d77e1734 100644
--- a/src/Record/MP4Demuxer.cpp
+++ b/src/Record/MP4Demuxer.cpp
@@ -15,6 +15,7 @@
 #include "Extension/H264.h"
 #include "Extension/AAC.h"
 #include "Extension/G711.h"
+#include "Extension/Opus.h"
 using namespace toolkit;
 namespace mediakit {
 
@@ -119,14 +120,22 @@ void MP4Demuxer::onAudioTrack(uint32_t track_id, uint8_t object, int channel_cou
         case MOV_OBJECT_AAC:{
             auto audio = std::make_shared<AACTrack>(bytes > 0 ? string((char *)extra,bytes) : "");
             _track_to_codec.emplace(track_id, audio);
-        }
             break;
+        }
+
         case MOV_OBJECT_G711a:
         case MOV_OBJECT_G711u:{
             auto audio = std::make_shared<G711Track>(object == MOV_OBJECT_G711a ? CodecG711A : CodecG711U, sample_rate, channel_count, bit_per_sample / channel_count );
             _track_to_codec.emplace(track_id, audio);
-        }
             break;
+        }
+
+        case MOV_OBJECT_OPUS: {
+            auto audio = std::make_shared<OpusTrack>();
+            _track_to_codec.emplace(track_id, audio);
+            break;
+        }
+
         default:
             WarnL << "不支持该编码类型的MP4,已忽略:" << getObjectName(object);
             break;
@@ -196,6 +205,11 @@ public:
     FrameWrapper(const Buffer::Ptr &buf, int64_t pts, int64_t dts, int prefix) : Parent(buf->data(), buf->size(), dts, pts, prefix){
         _buf = buf;
     }
+
+    FrameWrapper(CodecId codec,const Buffer::Ptr &buf, int64_t pts, int64_t dts, int prefix) : Parent(codec, buf->data(), buf->size(), dts, pts, prefix){
+        _buf = buf;
+    }
+
     bool cacheAble() const override {
         return true;
     }
@@ -231,14 +245,11 @@ Frame::Ptr MP4Demuxer::makeFrame(uint32_t track_id, const Buffer::Ptr &buf, int6
             return std::make_shared<FrameWrapper<H265FrameNoCacheAble> >(buf, pts, dts, 4);
         }
 
-        case CodecAAC :
-            return std::make_shared<FrameWrapper<AACFrameNoCacheAble> >(buf, pts, dts, 0);
-
+        case CodecOpus:
+        case CodecAAC:
         case CodecG711A:
         case CodecG711U: {
-            auto frame = std::make_shared<FrameWrapper<G711FrameNoCacheAble> >(buf, pts, dts, 0);
-            frame->setCodec(codec);
-            return frame;
+            return std::make_shared<FrameWrapper<FrameFromPtr> >(codec, buf, pts, dts, 0);
         }
         default:
             return nullptr;
diff --git a/src/Rtmp/Rtmp.cpp b/src/Rtmp/Rtmp.cpp
index db0078f4..b7046163 100644
--- a/src/Rtmp/Rtmp.cpp
+++ b/src/Rtmp/Rtmp.cpp
@@ -58,6 +58,14 @@ uint8_t getAudioRtmpFlags(const Track::Ptr &track){
             switch (track->getCodecId()){
                 case CodecG711A : flvAudioType = FLV_CODEC_G711A; break;
                 case CodecG711U : flvAudioType = FLV_CODEC_G711U; break;
+                case CodecOpus : {
+                    flvAudioType = FLV_CODEC_OPUS;
+                    //opus不通过flags获取音频相关信息
+                    iSampleRate = 44100;
+                    iSampleBit = 16;
+                    iChannel = 2;
+                    break;
+                }
                 case CodecAAC : {
                     flvAudioType = FLV_CODEC_AAC;
                     //aac不通过flags获取音频相关信息
diff --git a/src/Rtmp/Rtmp.h b/src/Rtmp/Rtmp.h
index 3df5240e..ccf94b2d 100644
--- a/src/Rtmp/Rtmp.h
+++ b/src/Rtmp/Rtmp.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).
@@ -74,10 +74,12 @@ using namespace toolkit;
 
 #define FLV_CODEC_AAC 10
 #define FLV_CODEC_H264 7
+//金山扩展: https://github.com/ksvc/FFmpeg/wiki
 #define FLV_CODEC_H265 12
 #define FLV_CODEC_G711A 7
 #define FLV_CODEC_G711U 8
-
+//参考学而思网校: https://github.com/notedit/rtmp/commit/6e314ac5b29611431f8fb5468596b05815743c10
+#define FLV_CODEC_OPUS 13
 
 namespace mediakit {
 
diff --git a/src/Rtp/Decoder.cpp b/src/Rtp/Decoder.cpp
index 92402a95..3b86a64d 100644
--- a/src/Rtp/Decoder.cpp
+++ b/src/Rtp/Decoder.cpp
@@ -175,7 +175,7 @@ void DecoderImp::onDecode(int stream,int codecid,int flags,int64_t pts,int64_t d
                 WarnL<< "audio track change to AAC from codecid:" << getCodecName(_codecid_audio);
                 return;
             }
-            onFrame(std::make_shared<AACFrameNoCacheAble>((char *) data, bytes, dts, 0, 7));
+            onFrame(std::make_shared<FrameFromPtr>(CodecAAC, (char *) data, bytes, dts, 0, ADTS_HEADER_LEN));
             break;
         }
 
@@ -195,9 +195,7 @@ void DecoderImp::onDecode(int stream,int codecid,int flags,int64_t pts,int64_t d
                 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);
+            onFrame(std::make_shared<FrameFromPtr>(codec, (char *) data, bytes, dts));
             break;
         }
         default:
diff --git a/src/Rtsp/RtpCodec.h b/src/Rtsp/RtpCodec.h
index 16a6f88a..ef4bed35 100644
--- a/src/Rtsp/RtpCodec.h
+++ b/src/Rtsp/RtpCodec.h
@@ -106,6 +106,7 @@ public:
         return _ui32MtuSize;
     }
     RtpPacket::Ptr makeRtp(TrackType type,const void *pData, unsigned int uiLen, bool bMark, uint32_t uiStamp);
+
 protected:
     uint32_t _ui32Ssrc;
     uint32_t _ui32SampleRate;