Demuxer/Player: 修改解复用与播放器底层逻辑，确保触发播放成功回调时不丢帧

src/Common/MediaSink.cpp

@@ -181,7 +181,7 @@ void MediaSink::emitAllTrackReady() {
 void MediaSink::onAllTrackReady_l() {
     //是否添加静音音频
     GET_CONFIG(bool, addMuteAudio, General::kAddMuteAudio);
-    if (addMuteAudio && !_track_map[TrackAudio]) {
+    if (addMuteAudio && _track_map.find(TrackAudio) == _track_map.end()) {
         addMuteAudioTrack();
     }
     onAllTrackReady();
@@ -253,11 +253,12 @@ bool MuteAudioMaker::inputFrame(const Frame::Ptr &frame) {
 }
 
 bool MediaSink::addMuteAudioTrack() {
-    if (getTrack(TrackAudio, false)) {
+    if (_track_map.find(TrackAudio) != _track_map.end()) {
         WarnL << "audio track already existed";
         return false;
     }
-    if (addTrack(std::make_shared<AACTrack>())) {
+
+    if (MediaSink::addTrack(std::make_shared<AACTrack>(makeAacConfig(MUTE_ADTS_DATA, ADTS_HEADER_LEN)))) {
         _mute_audio_maker = std::make_shared<MuteAudioMaker>();
         _mute_audio_maker->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
             return inputFrame(frame);

src/Common/config.cpp

@@ -305,7 +305,6 @@ const string kRtspPwdIsMD5 = "rtsp_pwd_md5";
 const string kTimeoutMS = "protocol_timeout_ms";
 const string kMediaTimeoutMS = "media_timeout_ms";
 const string kBeatIntervalMS = "beat_interval_ms";
-const string kMaxAnalysisMS = "max_analysis_ms";
 const string kBenchmarkMode = "benchmark_mode";
 }
 

src/Common/config.h

@@ -329,8 +329,6 @@ extern const string kTimeoutMS;
 extern const string kMediaTimeoutMS;
 //rtsp/rtmp心跳时间,默认5000毫秒
 extern const string kBeatIntervalMS;
-//Track编码格式探测最大时间，单位毫秒，默认2000
-extern const string kMaxAnalysisMS;
 //是否为性能测试模式，性能测试模式开启后不会解析rtp或rtmp包
 extern const string kBenchmarkMode;
 }

src/Player/MediaPlayer.cpp

@@ -20,9 +20,6 @@ MediaPlayer::MediaPlayer(const EventPoller::Ptr &poller) {
     _poller = poller ? poller : EventPollerPool::Instance().getPoller();
 }
 
-MediaPlayer::~MediaPlayer() {
-}
-
 static void setOnCreateSocket_l(const std::shared_ptr<PlayerBase> &delegate, const Socket::onCreateSocket &cb){
     auto helper = dynamic_pointer_cast<SocketHelper>(delegate);
     if (helper) {
@@ -41,10 +38,10 @@ void MediaPlayer::play(const string &url) {
     _delegate = PlayerBase::createPlayer(_poller, url);
     assert(_delegate);
     setOnCreateSocket_l(_delegate, _on_create_socket);
-    _delegate->setOnShutdown(_shutdownCB);
+    _delegate->setOnShutdown(_on_shutdown);
-    _delegate->setOnPlayResult(_playResultCB);
+    _delegate->setOnPlayResult(_on_play_result);
-    _delegate->setOnResume(_resumeCB);
+    _delegate->setOnResume(_on_resume);
-    _delegate->setMediaSource(_pMediaSrc);
+    _delegate->setMediaSource(_media_src);
     _delegate->mINI::operator=(*this);
     _delegate->play(url);
 }
@@ -58,23 +55,4 @@ void MediaPlayer::setOnCreateSocket(Socket::onCreateSocket cb){
     _on_create_socket = std::move(cb);
 }
 
-void MediaPlayer::pause(bool pause) {
-    if (_delegate) {
-        _delegate->pause(pause);
-    }
-}
-
-void MediaPlayer::speed(float speed) {
-    if (_delegate) {
-        _delegate->speed(speed);
-    }
-}
-
-void MediaPlayer::teardown() {
-    if (_delegate) {
-        _delegate->teardown();
-    }
-}
-
-
 } /* namespace mediakit */

src/Player/MediaPlayer.h

@@ -21,16 +21,14 @@ using namespace toolkit;
 
 namespace mediakit {
 
-class MediaPlayer : public PlayerImp<PlayerBase,PlayerBase> {
+class MediaPlayer : public PlayerImp<PlayerBase, PlayerBase> {
 public:
-    typedef std::shared_ptr<MediaPlayer> Ptr;
+    using Ptr = std::shared_ptr<MediaPlayer>;
 
     MediaPlayer(const EventPoller::Ptr &poller = nullptr);
-    virtual ~MediaPlayer();
+    ~MediaPlayer() override = default;
+
     void play(const string &url) override;
-    void pause(bool pause) override;
-    void speed(float speed) override;
-    void teardown() override;
     EventPoller::Ptr getPoller();
     void setOnCreateSocket(Socket::onCreateSocket cb);
 

src/Player/PlayerBase.cpp

@@ -13,13 +13,14 @@
 #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 &url_in) {
+PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller, const string &url_in) {
-    static auto releasePlayer = [](PlayerBase *ptr){
+    static auto releasePlayer = [](PlayerBase *ptr) {
-        onceToken token(nullptr,[&](){
+        onceToken token(nullptr, [&]() {
             delete ptr;
         });
         ptr->teardown();
@@ -32,98 +33,91 @@ PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const st
         url = url.substr(0, pos);
     }
 
-    if (strcasecmp("rtsps",prefix.data()) == 0) {
+    if (strcasecmp("rtsps", prefix.data()) == 0) {
-        return PlayerBase::Ptr(new TcpClientWithSSL<RtspPlayerImp>(poller),releasePlayer);
+        return PlayerBase::Ptr(new TcpClientWithSSL<RtspPlayerImp>(poller), releasePlayer);
     }
 
-    if (strcasecmp("rtsp",prefix.data()) == 0) {
+    if (strcasecmp("rtsp", prefix.data()) == 0) {
-        return PlayerBase::Ptr(new RtspPlayerImp(poller),releasePlayer);
+        return PlayerBase::Ptr(new RtspPlayerImp(poller), releasePlayer);
     }
 
-    if (strcasecmp("rtmps",prefix.data()) == 0) {
+    if (strcasecmp("rtmps", prefix.data()) == 0) {
-        return PlayerBase::Ptr(new TcpClientWithSSL<RtmpPlayerImp>(poller),releasePlayer);
+        return PlayerBase::Ptr(new TcpClientWithSSL<RtmpPlayerImp>(poller), releasePlayer);
     }
 
-    if (strcasecmp("rtmp",prefix.data()) == 0) {
+    if (strcasecmp("rtmp", prefix.data()) == 0) {
-        return PlayerBase::Ptr(new RtmpPlayerImp(poller),releasePlayer);
+        return PlayerBase::Ptr(new RtmpPlayerImp(poller), releasePlayer);
     }
 
-    if ((strcasecmp("http",prefix.data()) == 0 || strcasecmp("https",prefix.data()) == 0) && end_with(url, ".m3u8")) {
+    if ((strcasecmp("http", prefix.data()) == 0 || strcasecmp("https", prefix.data()) == 0) && end_with(url, ".m3u8")) {
-        return PlayerBase::Ptr(new HlsPlayerImp(poller),releasePlayer);
+        return PlayerBase::Ptr(new HlsPlayerImp(poller), releasePlayer);
     }
 
-    return PlayerBase::Ptr(new RtspPlayerImp(poller),releasePlayer);
+    return PlayerBase::Ptr(new RtspPlayerImp(poller), releasePlayer);
 }
 
 PlayerBase::PlayerBase() {
     this->mINI::operator[](kTimeoutMS) = 10000;
     this->mINI::operator[](kMediaTimeoutMS) = 5000;
     this->mINI::operator[](kBeatIntervalMS) = 5000;
-    this->mINI::operator[](kMaxAnalysisMS) = 5000;
 }
 
 ///////////////////////////Demuxer//////////////////////////////
-bool Demuxer::isInited(int analysisMs) {
-    if(analysisMs && _ticker.createdTime() > (uint64_t)analysisMs){
-        //analysisMs毫秒后强制初始化完毕
-        return true;
-    }
-    if (_videoTrack && !_videoTrack->ready()) {
-        //视频未准备好
-        return false;
-    }
-    if (_audioTrack && !_audioTrack->ready()) {
-        //音频未准备好
-        return false;
-    }
-    return true;
-}
 
-vector<Track::Ptr> Demuxer::getTracks(bool trackReady) const {
+bool Demuxer::addTrack(const Track::Ptr &track) {
-    vector<Track::Ptr> ret;
+    auto ret = MediaSink::addTrack(track);
-    if(_videoTrack){
+    if (ret) {
-        if(trackReady){
+        track->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
-            if(_videoTrack->ready()){
+            return inputFrame(frame);
-                ret.emplace_back(_videoTrack);
+        }));
-            }
-        }else{
-            ret.emplace_back(_videoTrack);
-        }
-    }
-    if(_audioTrack){
-        if(trackReady){
-            if(_audioTrack->ready()){
-                ret.emplace_back(_audioTrack);
-            }
-        }else{
-            ret.emplace_back(_audioTrack);
-        }
     }
     return ret;
 }
 
-float Demuxer::getDuration() const {
-    return _fDuration;
-}
-
-bool Demuxer::addTrack(const Track::Ptr &track){
-    return _listener ? _listener->addTrack(track) : false;
-}
-
-void Demuxer::addTrackCompleted(){
-    if(_listener){
-        _listener->addTrackCompleted();
-    }
-}
-
-void Demuxer::resetTracks() {
-    if (_listener) {
-        _listener->resetTracks();
-    }
-}
-
 void Demuxer::setTrackListener(TrackListener *listener) {
     _listener = listener;
 }
 
+bool Demuxer::onTrackReady(const Track::Ptr &track) {
+    _tracks[track->getTrackType()] = track->clone();
+    return true;
+}
+
+void Demuxer::onAllTrackReady() {
+    if (!_listener) {
+        return;
+    }
+    for (auto &track : _tracks) {
+        if (track) {
+            _listener->addTrack(track);
+        }
+    }
+    _listener->addTrackCompleted();
+}
+
+bool Demuxer::onTrackFrame(const Frame::Ptr &frame) {
+    return _tracks[frame->getTrackType()]->inputFrame(frame);
+}
+
+void Demuxer::resetTracks() {
+    MediaSink::resetTracks();
+    for (auto &track : _tracks) {
+        track = nullptr;
+    }
+    if (_listener) {
+        _listener->resetTracks();
+    }
+}
+
+vector<Track::Ptr> Demuxer::getTracks(bool ready) const {
+    vector<Track::Ptr> ret;
+    for (auto &track : _tracks) {
+        if (!track || (ready && !track->ready())) {
+            continue;
+        }
+        ret.emplace_back(track);
+    }
+    return ret;
+}
+
 } /* namespace mediakit */

src/Player/PlayerBase.h

@@ -22,292 +22,242 @@
 #include "Common/MediaSink.h"
 #include "Extension/Frame.h"
 #include "Extension/Track.h"
+
 using namespace toolkit;
 
 namespace mediakit {
 
-class DemuxerBase : public TrackSource{
+class PlayerBase : public TrackSource, public mINI {
 public:
-    typedef std::shared_ptr<DemuxerBase> Ptr;
+    using Ptr = std::shared_ptr<PlayerBase>;
+    using Event = std::function<void(const SockException &ex)>;
 
-    /**
+    static Ptr createPlayer(const EventPoller::Ptr &poller, const string &strUrl);
-     * 获取节目总时长，单位秒
-     * @return
-     */
-    virtual float getDuration() const { return 0;}
-
-    /**
-     * 是否初始化完毕，完毕后方可调用getTrack方法
-     * @param analysisMs 数据流最大分析时间 单位毫秒
-     * @return
-     */
-    virtual bool isInited(int analysisMs) { return true; }
-};
-
-
-class PlayerBase : public DemuxerBase, public mINI{
-public:
-    typedef std::shared_ptr<PlayerBase> Ptr;
-    static Ptr createPlayer(const EventPoller::Ptr &poller,const string &strUrl);
 
     PlayerBase();
-    virtual ~PlayerBase(){}
+    ~PlayerBase() override = default;
 
     /**
      * 开始播放
-     * @param strUrl 视频url，支持rtsp/rtmp
+     * @param url 视频url，支持rtsp/rtmp
      */
-    virtual void play(const string &strUrl) {}
+    virtual void play(const string &url) {};
 
     /**
      * 暂停或恢复
-     * @param bPause
+     * @param flag true:暂停，false:恢复
      */
-    virtual void pause(bool bPause) {}
+    virtual void pause(bool flag) {};
+
+    /**
+     * 获取节目总时长，单位秒
+     */
+    virtual float getDuration() const { return 0; };
 
     /**
      * 倍数播放
      * @param speed 1.0 2.0 0.5
      */
-    virtual void speed(float speed) {}
+    virtual void speed(float speed) {};
 
     /**
      * 中断播放
      */
-    virtual void teardown() {}
+    virtual void teardown() {};
-
-    /**
-     * 设置异常中断回调
-     * @param cb
-     */
-    virtual void setOnShutdown( const function<void(const SockException &)> &cb) {}
-
-    /**
-     * 设置播放结果回调
-     * @param cb
-     */
-    virtual void setOnPlayResult( const function<void(const SockException &ex)> &cb) {}
-
-    /**
-     * 设置播放恢复回调
-     * @param cb
-     */
-    virtual void setOnResume( const function<void()> &cb) {}
 
     /**
      * 获取播放进度，取值 0.0 ~ 1.0
-     * @return
      */
-    virtual float getProgress() const { return 0;}
+    virtual float getProgress() const { return 0; };
 
     /**
      * 获取播放进度pos，取值 相对开始时间增量 单位秒
-     * @return
      */
-    virtual uint32_t getProgressPos() const { return 0; }
+    virtual uint32_t getProgressPos() const { return 0; };
 
     /**
      * 拖动进度条
-     * @param fProgress 进度，取值 0.0 ~ 1.0
+     * @param progress 进度，取值 0.0 ~ 1.0
      */
-    virtual void seekTo(float fProgress) {}
+    virtual void seekTo(float progress) {};
 
     /**
      * 拖动进度条
-     * @param seekPos 进度，取值 相对于开始时间的增量 单位秒
+     * @param pos 进度，取值 相对于开始时间的增量 单位秒
      */
-    virtual void seekTo(uint32_t seekPos) {}
+    virtual void seekTo(uint32_t pos) {};
-
-    /**
-     * 设置一个MediaSource，直接生产rtsp/rtmp代理
-     * @param src
-     */
-    virtual void setMediaSource(const MediaSource::Ptr & src) {}
 
     /**
      * 获取丢包率，只支持rtsp
-     * @param trackType 音频或视频，TrackInvalid时为总丢包率
+     * @param type 音频或视频，TrackInvalid时为总丢包率
-     * @return
      */
-    virtual float getPacketLossRate(TrackType trackType) const {return 0; }
+    virtual float getPacketLossRate(TrackType type) const { return 0; };
 
     /**
      * 获取所有track
      */
-    vector<Track::Ptr> getTracks(bool trackReady = true) const override{
+    vector<Track::Ptr> getTracks(bool ready = true) const override { return vector<Track::Ptr>(); };
-        return vector<Track::Ptr>();
+
-    }
-protected:
-    virtual void onShutdown(const SockException &ex) {}
-    virtual void onPlayResult(const SockException &ex) {}
     /**
-     * 暂停后恢复播放时间
+     * 设置一个MediaSource，直接生产rtsp/rtmp代理
      */
-    virtual void onResume(){};
+    virtual void setMediaSource(const MediaSource::Ptr &src) = 0;
+
+    /**
+     * 设置异常中断回调
+     */
+    virtual void setOnShutdown(const Event &cb) = 0;
+
+    /**
+     * 设置播放结果回调
+     */
+    virtual void setOnPlayResult(const Event &cb) = 0;
+
+    /**
+     * 设置播放恢复回调
+     */
+    virtual void setOnResume(const function<void()> &cb) = 0;
+
+protected:
+    virtual void onResume() = 0;
+    virtual void onShutdown(const SockException &ex) = 0;
+    virtual void onPlayResult(const SockException &ex) = 0;
 };
 
-template<typename Parent,typename Delegate>
+template<typename Parent, typename Delegate>
 class PlayerImp : public Parent {
 public:
-    typedef std::shared_ptr<PlayerImp> Ptr;
+    using Ptr = std::shared_ptr<PlayerImp>;
 
     template<typename ...ArgsType>
-    PlayerImp(ArgsType &&...args):Parent(std::forward<ArgsType>(args)...) {}
+    PlayerImp(ArgsType &&...args) : Parent(std::forward<ArgsType>(args)...) {}
-    virtual ~PlayerImp() {}
+    ~PlayerImp() override = default;
 
-    void setOnShutdown(const function<void(const SockException &)> &cb) override {
+    void play(const string &url) override {
-        if (_delegate) {
+        return _delegate ? _delegate->play(url) : Parent::play(url);
-            _delegate->setOnShutdown(cb);
-        }
-        _shutdownCB = cb;
     }
 
-    void setOnPlayResult(const function<void(const SockException &ex)> &cb) override {
+    void pause(bool flag) override {
-        if (_delegate) {
+        return _delegate ? _delegate->pause(flag) : Parent::pause(flag);
-            _delegate->setOnPlayResult(cb);
-        }
-        _playResultCB = cb;
     }
 
-    void setOnResume(const function<void()> &cb) override {
+    void speed(float speed) override {
-        if (_delegate) {
+        return _delegate ? _delegate->speed(speed) : Parent::speed(speed);
-            _delegate->setOnResume(cb);
-        }
-        _resumeCB = cb;
     }
 
-    bool isInited(int analysisMs) override {
+    void teardown() override {
-        if (_delegate) {
+        return _delegate ? _delegate->teardown() : Parent::teardown();
-            return _delegate->isInited(analysisMs);
     }
-        return Parent::isInited(analysisMs);
+
+    float getPacketLossRate(TrackType type) const override {
+        return _delegate ? _delegate->getPacketLossRate(type) : Parent::getPacketLossRate(type);
     }
 
     float getDuration() const override {
-        if (_delegate) {
+        return _delegate ? _delegate->getDuration() : Parent::getDuration();
-            return _delegate->getDuration();
-        }
-        return Parent::getDuration();
     }
 
     float getProgress() const override {
-        if (_delegate) {
+        return _delegate ? _delegate->getProgress() : Parent::getProgress();
-            return _delegate->getProgress();
-        }
-        return Parent::getProgress();
     }
 
     uint32_t getProgressPos() const override {
-        if (_delegate) {
+        return _delegate ? _delegate->getProgressPos() : Parent::getProgressPos();
-            return _delegate->getProgressPos();
-        }
-        return Parent::getProgressPos();
     }
 
-    void seekTo(float fProgress) override {
+    void seekTo(float progress) override {
-        if (_delegate) {
+        return _delegate ? _delegate->seekTo(progress) : Parent::seekTo(progress);
-            return _delegate->seekTo(fProgress);
-        }
-        return Parent::seekTo(fProgress);
     }
 
-    void seekTo(uint32_t seekPos) override {
+    void seekTo(uint32_t pos) override {
-        if (_delegate) {
+        return _delegate ? _delegate->seekTo(pos) : Parent::seekTo(pos);
-            return _delegate->seekTo(seekPos);
-        }
-        return Parent::seekTo(seekPos);
     }
 
-    void setMediaSource(const MediaSource::Ptr &src) override {
+    vector<Track::Ptr> getTracks(bool ready = true) const override {
-        if (_delegate) {
+        return _delegate ? _delegate->getTracks(ready) : Parent::getTracks(ready);
-            _delegate->setMediaSource(src);
-        }
-        _pMediaSrc = src;
-    }
-
-    vector<Track::Ptr> getTracks(bool trackReady = true) const override {
-        if (_delegate) {
-            return _delegate->getTracks(trackReady);
-        }
-        return Parent::getTracks(trackReady);
     }
 
     std::shared_ptr<SockInfo> getSockInfo() const {
         return dynamic_pointer_cast<SockInfo>(_delegate);
     }
 
+    void setMediaSource(const MediaSource::Ptr &src) override {
+        if (_delegate) {
+            _delegate->setMediaSource(src);
+        }
+        _media_src = src;
+    }
+
+    void setOnShutdown(const function<void(const SockException &)> &cb) override {
+        if (_delegate) {
+            _delegate->setOnShutdown(cb);
+        }
+        _on_shutdown = cb;
+    }
+
+    void setOnPlayResult(const function<void(const SockException &ex)> &cb) override {
+        if (_delegate) {
+            _delegate->setOnPlayResult(cb);
+        }
+        _on_play_result = cb;
+    }
+
+    void setOnResume(const function<void()> &cb) override {
+        if (_delegate) {
+            _delegate->setOnResume(cb);
+        }
+        _on_resume = cb;
+    }
+
 protected:
     void onShutdown(const SockException &ex) override {
-        if (_shutdownCB) {
+        if (_on_shutdown) {
-            _shutdownCB(ex);
+            _on_shutdown(ex);
-            _shutdownCB = nullptr;
+            _on_shutdown = nullptr;
         }
     }
 
     void onPlayResult(const SockException &ex) override {
-        if(_playResultCB) {
+        if (_on_play_result) {
-            _playResultCB(ex);
+            _on_play_result(ex);
-            _playResultCB = nullptr;
+            _on_play_result = nullptr;
         }
     }
 
-    void onResume() override{
+    void onResume() override {
-        if(_resumeCB){
+        if (_on_resume) {
-            _resumeCB();
+            _on_resume();
         }
     }
+
 protected:
-    function<void(const SockException &ex)> _shutdownCB;
+    function<void()> _on_resume;
-    function<void(const SockException &ex)> _playResultCB;
+    PlayerBase::Event _on_shutdown;
-    function<void()> _resumeCB;
+    PlayerBase::Event _on_play_result;
+    MediaSource::Ptr _media_src;
     std::shared_ptr<Delegate> _delegate;
-    MediaSource::Ptr _pMediaSrc;
 };
 
-class Demuxer : public PlayerBase, public TrackListener{
+class Demuxer : protected MediaSink {
 public:
     Demuxer() = default;
     ~Demuxer() override = default;
 
-    /**
-     * 返回是否完成初始化完毕
-     * 在构造RtspDemuxer对象时有些rtsp的sdp不包含sps pps信息
-     * 所以要等待接收到到sps的rtp包后才能完成
-     *
-     * 在构造RtmpDemuxer对象时是无法获取sps pps aac_cfg等这些信息，
-     * 所以要调用inputRtmp后才会获取到这些信息，这时才初始化成功
-     * @param analysisMs 数据流最大分析时间 单位毫秒
-     * @return
-     */
-    bool isInited(int analysisMs) override;
-
-    /**
-     * 获取所有Track
-     * @return 所有Track
-     */
-    vector<Track::Ptr> getTracks(bool trackReady = true) const override;
-
-    /**
-     * 获取节目总时长
-     * @return 节目总时长,单位秒
-     */
-    float getDuration() const override;
-
     /**
      * 设置track监听器
      */
     void setTrackListener(TrackListener *listener);
+    vector<Track::Ptr> getTracks(bool ready = true) const override;
 
 protected:
-    bool addTrack(const Track::Ptr &track) override;
+    bool addTrack(const Track::Ptr & track) override;
-    void addTrackCompleted() override;
     void resetTracks() override;
+    bool onTrackReady(const Track::Ptr & track) override;
+    void onAllTrackReady() override;
+    bool onTrackFrame(const Frame::Ptr &frame) override;
 
-protected:
+private:
-    float _fDuration = 0;
+    Track::Ptr _tracks[TrackMax];
-    Ticker _ticker;
-    AudioTrack::Ptr _audioTrack;
-    VideoTrack::Ptr _videoTrack;
     TrackListener *_listener = nullptr;
 };
 

src/Player/PlayerProxy.cpp

@@ -160,7 +160,7 @@ bool PlayerProxy::close(MediaSource &sender, bool force) {
 }
 
 int PlayerProxy::totalReaderCount() {
-    return (_muxer ? _muxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
+    return (_muxer ? _muxer->totalReaderCount() : 0) + (_media_src ? _media_src->readerCount() : 0);
 }
 
 int PlayerProxy::totalReaderCount(MediaSource &sender) {
@@ -181,12 +181,12 @@ std::shared_ptr<SockInfo> PlayerProxy::getOriginSock(MediaSource &sender) const
 
 void PlayerProxy::onPlaySuccess() {
     GET_CONFIG(bool, resetWhenRePlay, General::kResetWhenRePlay);
-    if (dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc)) {
+    if (dynamic_pointer_cast<RtspMediaSource>(_media_src)) {
         //rtsp拉流代理
         if (resetWhenRePlay || !_muxer) {
             _muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), false, true, _enable_hls, _enable_mp4));
         }
-    } else if (dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc)) {
+    } else if (dynamic_pointer_cast<RtmpMediaSource>(_media_src)) {
         //rtmp拉流代理
         if (resetWhenRePlay || !_muxer) {
             _muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), true, false, _enable_hls, _enable_mp4));
@@ -218,9 +218,9 @@ void PlayerProxy::onPlaySuccess() {
     //添加完毕所有track，防止单track情况下最大等待3秒
     _muxer->addTrackCompleted();
 
-    if (_pMediaSrc) {
+    if (_media_src) {
         //让_muxer对象拦截一部分事件(比如说录像相关事件)
-        _pMediaSrc->setListener(_muxer);
+        _media_src->setListener(_muxer);
     }
 }
 

src/Rtmp/RtmpDemuxer.cpp

@@ -25,7 +25,7 @@ bool RtmpDemuxer::loadMetaData(const AMFValue &val){
         const AMFValue *videocodecid = nullptr;
         val.object_for_each([&](const string &key, const AMFValue &val) {
             if (key == "duration") {
-                _fDuration = (float)val.as_number();
+                _duration = (float)val.as_number();
                 return;
             }
             if (key == "audiosamplerate") {
@@ -80,6 +80,10 @@ bool RtmpDemuxer::loadMetaData(const AMFValue &val){
     return ret;
 }
 
+float RtmpDemuxer::getDuration() const {
+    return _duration;
+}
+
 void RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
     switch (pkt->type_id) {
         case MSG_VIDEO: {
@@ -111,41 +115,42 @@ void RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
 
 void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec, int bit_rate) {
     //生成Track对象
-    _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
+    _video_track = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
-    if (_videoTrack) {
+    if (!_video_track) {
-        _videoTrack->setBitRate(bit_rate);
+        return;
+    }
     //生成rtmpCodec对象以便解码rtmp
-        _video_rtmp_decoder = Factory::getRtmpCodecByTrack(_videoTrack, false);
+    _video_rtmp_decoder = Factory::getRtmpCodecByTrack(_video_track, false);
-        if (_video_rtmp_decoder) {
+    if (!_video_rtmp_decoder) {
-            //设置rtmp解码器代理，生成的frame写入该Track
-            _video_rtmp_decoder->addDelegate(_videoTrack);
-            addTrack(_videoTrack);
-            _try_get_video_track = true;
-        } else {
         //找不到相应的rtmp解码器，该track无效
-            _videoTrack.reset();
+        _video_track.reset();
-        }
+        return;
     }
+    _video_track->setBitRate(bit_rate);
+    //设置rtmp解码器代理，生成的frame写入该Track
+    _video_rtmp_decoder->addDelegate(_video_track);
+    addTrack(_video_track);
+    _try_get_video_track = true;
 }
 
 void RtmpDemuxer::makeAudioTrack(const AMFValue &audioCodec,int sample_rate, int channels, int sample_bit, int bit_rate) {
     //生成Track对象
-    _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec, sample_rate, channels, sample_bit));
+    _audio_track = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec, sample_rate, channels, sample_bit));
-    if (_audioTrack) {
+    if (!_audio_track) {
-        _audioTrack->setBitRate(bit_rate);
+        return;
+    }
     //生成rtmpCodec对象以便解码rtmp
-        _audio_rtmp_decoder = Factory::getRtmpCodecByTrack(_audioTrack, false);
+    _audio_rtmp_decoder = Factory::getRtmpCodecByTrack(_audio_track, false);
-        if (_audio_rtmp_decoder) {
+    if (!_audio_rtmp_decoder) {
-            //设置rtmp解码器代理，生成的frame写入该Track
-            _audio_rtmp_decoder->addDelegate(_audioTrack);
-            addTrack(_audioTrack);
-            _try_get_audio_track = true;
-        } else {
         //找不到相应的rtmp解码器，该track无效
-            _audioTrack.reset();
+        _audio_track.reset();
-        }
+        return;
     }
+    _audio_track->setBitRate(bit_rate);
+    //设置rtmp解码器代理，生成的frame写入该Track
+    _audio_rtmp_decoder->addDelegate(_audio_track);
+    addTrack(_audio_track);
+    _try_get_audio_track = true;
 }
 
-
 } /* namespace mediakit */

src/Rtmp/RtmpDemuxer.h

@@ -23,9 +23,9 @@ using namespace toolkit;
 
 namespace mediakit {
 
-class RtmpDemuxer : public Demuxer{
+class RtmpDemuxer : public Demuxer {
 public:
-    typedef std::shared_ptr<RtmpDemuxer> Ptr;
+    using Ptr = std::shared_ptr<RtmpDemuxer>;
 
     RtmpDemuxer() = default;
     ~RtmpDemuxer() override = default;
@@ -38,6 +38,12 @@ public:
      */
     void inputRtmp(const RtmpPacket::Ptr &pkt);
 
+    /**
+     * 获取节目总时长
+     * @return 节目总时长,单位秒
+     */
+    float getDuration() const;
+
 private:
     void makeVideoTrack(const AMFValue &val, int bit_rate);
     void makeAudioTrack(const AMFValue &val, int sample_rate, int channels, int sample_bit, int bit_rate);
@@ -45,6 +51,9 @@ private:
 private:
     bool _try_get_video_track = false;
     bool _try_get_audio_track = false;
+    float _duration = 0;
+    AudioTrack::Ptr _audio_track;
+    VideoTrack::Ptr _video_track;
     RtmpCodec::Ptr _audio_rtmp_decoder;
     RtmpCodec::Ptr _video_rtmp_decoder;
 };

src/Rtmp/RtmpPlayerImp.h

@@ -24,11 +24,12 @@ using namespace mediakit::Client;
 
 namespace mediakit {
 
-class RtmpPlayerImp: public PlayerImp<RtmpPlayer,RtmpDemuxer> {
+class RtmpPlayerImp: public PlayerImp<RtmpPlayer,PlayerBase>, private TrackListener {
 public:
-    typedef std::shared_ptr<RtmpPlayerImp> Ptr;
+    using Ptr = std::shared_ptr<RtmpPlayerImp>;
+    using Super = PlayerImp<RtmpPlayer,PlayerBase>;
 
-    RtmpPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtmpPlayer, RtmpDemuxer>(poller) {};
+    RtmpPlayerImp(const EventPoller::Ptr &poller) : Super(poller) {};
 
     ~RtmpPlayerImp() override {
         DebugL << endl;
@@ -51,42 +52,59 @@ public:
         seekToMilliSecond(pos);
     }
 
-    void play(const string &strUrl) override {
+    float getDuration() const override {
-        PlayerImp<RtmpPlayer, RtmpDemuxer>::play(strUrl);
+        return _demuxer ? _demuxer->getDuration() : 0;
+    }
+
+    vector<Track::Ptr> getTracks(bool ready = true) const override {
+        return _demuxer ? _demuxer->getTracks(ready) : Super::getTracks(ready);
     }
 
 private:
     //派生类回调函数
     bool onCheckMeta(const AMFValue &val) override {
-        _rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc);
+        onCheckMeta_l(val);
-        if (_rtmp_src) {
-            _rtmp_src->setMetaData(val);
-            _set_meta_data = true;
-        }
-        _delegate.reset(new RtmpDemuxer);
-        _delegate->loadMetaData(val);
         return true;
     }
 
     void onMediaData(RtmpPacket::Ptr chunkData) override {
-        if (!_delegate) {
+        if (!_demuxer) {
-            //这个流没有metadata
+            //有些rtmp流没metadata
-            _delegate.reset(new RtmpDemuxer());
+            onCheckMeta_l(TitleMeta().getMetadata());
         }
-        _delegate->inputRtmp(chunkData);
+        _demuxer->inputRtmp(chunkData);
-
         if (_rtmp_src) {
-            if (!_set_meta_data && !chunkData->isCfgFrame()) {
-                _set_meta_data = true;
-                _rtmp_src->setMetaData(TitleMeta().getMetadata());
-            }
             _rtmp_src->onWrite(std::move(chunkData));
         }
     }
 
+    void onPlayResult(const SockException &ex) override {
+        if (ex) {
+            Super::onPlayResult(ex);
+            return;
+        }
+    }
+
+    bool addTrack(const Track::Ptr &track) override { return true; }
+
+    void addTrackCompleted() override {
+        Super::onPlayResult(SockException(Err_success, "play success"));
+    }
+
 private:
+    void onCheckMeta_l(const AMFValue &val) {
+        _rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(_media_src);
+        if (_rtmp_src) {
+            _rtmp_src->setMetaData(val);
+        }
+        _demuxer = std::make_shared<RtmpDemuxer>();
+        _demuxer->setTrackListener(this);
+        _demuxer->loadMetaData(val);
+    }
+
+private:
+    RtmpDemuxer::Ptr _demuxer;
     RtmpMediaSource::Ptr _rtmp_src;
-    bool _set_meta_data = false;
 };
 
 

src/Rtsp/RtspDemuxer.cpp

@@ -18,13 +18,13 @@ using namespace std;
 
 namespace mediakit {
 
-void RtspDemuxer::loadSdp(const string &sdp){
+void RtspDemuxer::loadSdp(const string &sdp) {
     loadSdp(SdpParser(sdp));
 }
 
 void RtspDemuxer::loadSdp(const SdpParser &attr) {
     auto tracks = attr.getAvailableTrack();
-    for (auto &track : tracks){
+    for (auto &track : tracks) {
         switch (track->_type) {
             case TrackVideo: {
                 makeVideoTrack(track);
@@ -42,31 +42,35 @@ void RtspDemuxer::loadSdp(const SdpParser &attr) {
     addTrackCompleted();
 
     auto titleTrack = attr.getTrack(TrackTitle);
-    if(titleTrack){
+    if (titleTrack) {
-        _fDuration = titleTrack->_duration;
+        _duration = titleTrack->_duration;
     }
 }
-bool RtspDemuxer::inputRtp(const RtpPacket::Ptr & rtp) {
+
+float RtspDemuxer::getDuration() const {
+    return _duration;
+}
+
+bool RtspDemuxer::inputRtp(const RtpPacket::Ptr &rtp) {
     switch (rtp->type) {
-    case TrackVideo:{
+        case TrackVideo: {
-        if(_videoRtpDecoder){
+            if (_videoRtpDecoder) {
                 return _videoRtpDecoder->inputRtp(rtp, true);
             }
             return false;
         }
-    case TrackAudio:{
+        case TrackAudio: {
-        if(_audioRtpDecoder){
+            if (_audioRtpDecoder) {
                 _audioRtpDecoder->inputRtp(rtp, false);
                 return false;
             }
             return false;
         }
-    default:
+        default: return false;
-        return false;
     }
 }
 
-static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track){
+static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track) {
     if (!sdp->_b.empty()) {
         int data_rate = 0;
         sscanf(sdp->_b.data(), "AS:%d", &data_rate);
@@ -78,38 +82,40 @@ static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track){
 
 void RtspDemuxer::makeAudioTrack(const SdpTrack::Ptr &audio) {
     //生成Track对象
-    _audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getTrackBySdp(audio));
+    _audio_track = dynamic_pointer_cast<AudioTrack>(Factory::getTrackBySdp(audio));
-    if(_audioTrack){
+    if (!_audio_track) {
-        setBitRate(audio, _audioTrack);
+        return;
+    }
+    setBitRate(audio, _audio_track);
     //生成RtpCodec对象以便解码rtp
-        _audioRtpDecoder = Factory::getRtpDecoderByTrack(_audioTrack);
+    _audioRtpDecoder = Factory::getRtpDecoderByTrack(_audio_track);
-        if(_audioRtpDecoder){
+    if (!_audioRtpDecoder) {
-            //设置rtp解码器代理，生成的frame写入该Track
-            _audioRtpDecoder->addDelegate(_audioTrack);
-            addTrack(_audioTrack);
-        } else{
         //找不到相应的rtp解码器，该track无效
-            _audioTrack.reset();
+        _audio_track.reset();
-        }
+        return;
     }
+    //设置rtp解码器代理，生成的frame写入该Track
+    _audioRtpDecoder->addDelegate(_audio_track);
+    addTrack(_audio_track);
 }
 
 void RtspDemuxer::makeVideoTrack(const SdpTrack::Ptr &video) {
     //生成Track对象
-    _videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getTrackBySdp(video));
+    _video_track = dynamic_pointer_cast<VideoTrack>(Factory::getTrackBySdp(video));
-    if(_videoTrack){
+    if (!_video_track) {
-        setBitRate(video, _videoTrack);
+        return;
+    }
+    setBitRate(video, _video_track);
     //生成RtpCodec对象以便解码rtp
-        _videoRtpDecoder = Factory::getRtpDecoderByTrack(_videoTrack);
+    _videoRtpDecoder = Factory::getRtpDecoderByTrack(_video_track);
-        if(_videoRtpDecoder){
+    if (!_videoRtpDecoder) {
-            //设置rtp解码器代理，生成的frame写入该Track
-            _videoRtpDecoder->addDelegate(_videoTrack);
-            addTrack(_videoTrack);
-        }else{
         //找不到相应的rtp解码器，该track无效
-            _videoTrack.reset();
+        _video_track.reset();
-        }
+        return;
     }
+    //设置rtp解码器代理，生成的frame写入该Track
+    _videoRtpDecoder->addDelegate(_video_track);
+    addTrack(_video_track);
 }
 
 } /* namespace mediakit */

src/Rtsp/RtspDemuxer.h

@@ -21,7 +21,7 @@ using namespace toolkit;
 
 namespace mediakit {
 
-class RtspDemuxer : public Demuxer{
+class RtspDemuxer : public Demuxer {
 public:
     typedef std::shared_ptr<RtspDemuxer> Ptr;
     RtspDemuxer() = default;
@@ -38,11 +38,22 @@ public:
      * @return true 代表是i帧第一个rtp包
      */
     bool inputRtp(const RtpPacket::Ptr &rtp);
+
+    /**
+     * 获取节目总时长
+     * @return 节目总时长,单位秒
+     */
+    float getDuration() const;
+
 private:
     void makeAudioTrack(const SdpTrack::Ptr &audio);
     void makeVideoTrack(const SdpTrack::Ptr &video);
     void loadSdp(const SdpParser &parser);
+
 private:
+    float _duration = 0;
+    AudioTrack::Ptr _audio_track;
+    VideoTrack::Ptr _video_track;
     RtpCodec::Ptr _audioRtpDecoder;
     RtpCodec::Ptr _videoRtpDecoder;
 };

src/Rtsp/RtspPlayerImp.h

@@ -25,12 +25,14 @@ using namespace toolkit;
 
 namespace mediakit {
 
-class RtspPlayerImp : public PlayerImp<RtspPlayer,RtspDemuxer> {
+class RtspPlayerImp : public PlayerImp<RtspPlayer, PlayerBase> ,private TrackListener {
 public:
-    typedef std::shared_ptr<RtspPlayerImp> Ptr;
+    using Ptr = std::shared_ptr<RtspPlayerImp>;
+    using Super = PlayerImp<RtspPlayer, PlayerBase>;
 
-    RtspPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtspPlayer, RtspDemuxer>(poller) {}
+    RtspPlayerImp(const EventPoller::Ptr &poller) : Super(poller) {}
-    ~RtspPlayerImp() override{
+
+    ~RtspPlayerImp() override {
         DebugL << endl;
     }
 
@@ -39,7 +41,6 @@ public:
             return getProgressMilliSecond() / (getDuration() * 1000);
         }
         return PlayerBase::getProgress();
-
     }
 
     uint32_t getProgressPos() const override {
@@ -55,29 +56,33 @@ public:
     }
 
     void seekTo(uint32_t seekPos) override {
-        uint32_t pos = MAX(float(0), MIN(seekPos, getDuration()))*1000;
+        uint32_t pos = MAX(float(0), MIN(seekPos, getDuration())) * 1000;
         seekToMilliSecond(pos);
     }
 
+    float getDuration() const override {
+        return _demuxer ? _demuxer->getDuration() : 0;
+    }
+
+    vector<Track::Ptr> getTracks(bool ready = true) const override {
+        return _demuxer ? _demuxer->getTracks(ready) : Super::getTracks(ready);
+    }
+
 private:
     //派生类回调函数
     bool onCheckSDP(const string &sdp) override {
-        _rtsp_media_src = dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc);
+        _rtsp_media_src = dynamic_pointer_cast<RtspMediaSource>(_media_src);
         if (_rtsp_media_src) {
             _rtsp_media_src->setSdp(sdp);
         }
-        _delegate.reset(new RtspDemuxer);
+        _demuxer = std::make_shared<RtspDemuxer>();
-        _delegate->loadSdp(sdp);
+        _demuxer->setTrackListener(this);
+        _demuxer->loadSdp(sdp);
         return true;
     }
 
     void onRecvRTP(RtpPacket::Ptr rtp, const SdpTrack::Ptr &track) override {
-        _delegate->inputRtp(rtp);
+        _demuxer->inputRtp(rtp);
-        if (_max_analysis_ms && _delegate->isInited(_max_analysis_ms)) {
-            PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(SockException(Err_success, "play rtsp success"));
-            _max_analysis_ms = 0;
-        }
-
         if (_rtsp_media_src) {
             // rtsp直接代理是无法判断该rtp是否是I帧，所以GOP缓存基本是无效的
             // 为了减少内存使用，那么我们设置为一直关键帧以便清空GOP缓存
@@ -85,23 +90,21 @@ private:
         }
     }
 
-    //在RtspPlayer中触发onPlayResult事件只是代表收到play回复了，
-    //并不代表所有track初始化成功了(这跟rtmp播放器不一样)
-    //如果sdp里面信息不完整，只能尝试延后从rtp中恢复关键信息并初始化track
-    //如果超过这个时间还未获取成功，那么会强制触发onPlayResult事件(虽然此时有些track还未初始化成功)
     void onPlayResult(const SockException &ex) override {
-        //isInited判断条件：无超时
+        if (ex) {
-        if (ex || _delegate->isInited(0)) {
+            Super::onPlayResult(ex);
-            //已经初始化成功，说明sdp里面有完善的信息
+            return;
-            PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(ex);
-        } else {
-            //还没初始化成功，说明sdp里面信息不完善，还有一些track未初始化成功
-            _max_analysis_ms = (*this)[Client::kMaxAnalysisMS];
         }
     }
 
+    bool addTrack(const Track::Ptr &track) override { return true; }
+
+    void addTrackCompleted() override {
+        Super::onPlayResult(SockException(Err_success, "play success"));
+    }
+
 private:
-    int _max_analysis_ms = 0;
+    RtspDemuxer::Ptr _demuxer;
     RtspMediaSource::Ptr _rtsp_media_src;
 };