MediaPusher: 抽象精简代码

src/Pusher/PusherBase.cpp

@@ -30,22 +30,22 @@ PusherBase::Ptr PusherBase::createPusher(const EventPoller::Ptr &poller,
     string prefix = FindField(strUrl.data(), NULL, "://");
 
     if (strcasecmp("rtsps",prefix.data()) == 0) {
-        return PusherBase::Ptr(new TcpClientWithSSL<RtspPusher>(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
+        return PusherBase::Ptr(new TcpClientWithSSL<RtspPusherImp>(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
     }
 
     if (strcasecmp("rtsp",prefix.data()) == 0) {
-        return PusherBase::Ptr(new RtspPusher(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
+        return PusherBase::Ptr(new RtspPusherImp(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
     }
 
     if (strcasecmp("rtmps",prefix.data()) == 0) {
-        return PusherBase::Ptr(new TcpClientWithSSL<RtmpPusher>(poller,dynamic_pointer_cast<RtmpMediaSource>(src)),releasePusher);
+        return PusherBase::Ptr(new TcpClientWithSSL<RtmpPusherImp>(poller,dynamic_pointer_cast<RtmpMediaSource>(src)),releasePusher);
     }
 
     if (strcasecmp("rtmp",prefix.data()) == 0) {
-        return PusherBase::Ptr(new RtmpPusher(poller,dynamic_pointer_cast<RtmpMediaSource>(src)),releasePusher);
+        return PusherBase::Ptr(new RtmpPusherImp(poller,dynamic_pointer_cast<RtmpMediaSource>(src)),releasePusher);
     }
 
-    return PusherBase::Ptr(new RtspPusher(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
+    return PusherBase::Ptr(new RtspPusherImp(poller,dynamic_pointer_cast<RtspMediaSource>(src)),releasePusher);
 }
 
 PusherBase::PusherBase() {

src/Pusher/PusherBase.h

@@ -38,12 +38,12 @@ public:
      * 开始推流
      * @param strUrl 视频url，支持rtsp/rtmp
      */
-    virtual void publish(const string &strUrl) = 0;
+    virtual void publish(const string &strUrl) {};
 
     /**
      * 中断推流
      */
-    virtual void teardown() = 0;
+    virtual void teardown() {};
 
     /**
      * 摄像推流结果回调
@@ -54,6 +54,10 @@ public:
      * 设置断开回调
      */
     virtual void setOnShutdown(const Event &cb) = 0;
+
+protected:
+    virtual void onShutdown(const SockException &ex) = 0;
+    virtual void onPublishResult(const SockException &ex) = 0;
 };
 
 template<typename Parent, typename Delegate>
@@ -67,21 +71,21 @@ public:
 
     /**
      * 开始推流
-     * @param strUrl 推流url，支持rtsp/rtmp
+     * @param url 推流url，支持rtsp/rtmp
      */
-    void publish(const string &strUrl) override {
-        if (_delegate) {
-            _delegate->publish(strUrl);
-        }
+    void publish(const string &url) override {
+        return _delegate ? _delegate->publish(url) : Parent::publish(url);
     }
 
     /**
      * 中断推流
      */
     void teardown() override {
-        if (_delegate) {
-            _delegate->teardown();
-        }
+        return _delegate ? _delegate->teardown() : Parent::teardown();
+    }
+
+    std::shared_ptr<SockInfo> getSockInfo() const {
+        return dynamic_pointer_cast<SockInfo>(_delegate);
     }
 
     /**
@@ -104,8 +108,19 @@ public:
         _on_shutdown = cb;
     }
 
-    std::shared_ptr<SockInfo> getSockInfo() const {
-        return dynamic_pointer_cast<SockInfo>(_delegate);
+protected:
+    void onShutdown(const SockException &ex) override {
+        if (_on_shutdown) {
+            _on_shutdown(ex);
+            _on_shutdown = nullptr;
+        }
+    }
+
+    void onPublishResult(const SockException &ex) override {
+        if (_on_publish) {
+            _on_publish(ex);
+            _on_publish = nullptr;
+        }
     }
 
 protected:

src/Rtmp/RtmpPusher.cpp

@@ -46,7 +46,7 @@ void RtmpPusher::teardown() {
     }
 }
 
-void RtmpPusher::onPublishResult(const SockException &ex, bool handshake_done) {
+void RtmpPusher::onPublishResult_l(const SockException &ex, bool handshake_done) {
     DebugL << ex.what();
     if (ex.getErrCode() == Err_shutdown) {
         //主动shutdown的，不触发回调
@@ -55,14 +55,10 @@ void RtmpPusher::onPublishResult(const SockException &ex, bool handshake_done) {
     if (!handshake_done) {
         //播放结果回调
         _publish_timer.reset();
-        if (_on_published) {
-            _on_published(ex);
-        }
+        onPublishResult(ex);
     } else {
         //播放成功后异常断开回调
-        if (_on_shutdown) {
-            _on_shutdown(ex);
-        }
+        onShutdown(ex);
     }
 
     if (ex) {
@@ -78,7 +74,7 @@ void RtmpPusher::publish(const string &url)  {
     _tc_url = string("rtmp://") + host_url + "/" + _app;
 
     if (!_app.size() || !_stream_id.size()) {
-        onPublishResult(SockException(Err_other, "rtmp url非法"), false);
+        onPublishResult_l(SockException(Err_other, "rtmp url非法"), false);
         return;
     }
     DebugL << host_url << " " << _app << " " << _stream_id;
@@ -99,7 +95,7 @@ void RtmpPusher::publish(const string &url)  {
         if (!strongSelf) {
             return false;
         }
-        strongSelf->onPublishResult(SockException(Err_timeout, "publish rtmp timeout"), false);
+        strongSelf->onPublishResult_l(SockException(Err_timeout, "publish rtmp timeout"), false);
         return false;
     }, getPoller()));
 
@@ -112,12 +108,12 @@ void RtmpPusher::publish(const string &url)  {
 
 void RtmpPusher::onErr(const SockException &ex){
     //定时器_pPublishTimer为空后表明握手结束了
-    onPublishResult(ex, !_publish_timer);
+    onPublishResult_l(ex, !_publish_timer);
 }
 
 void RtmpPusher::onConnect(const SockException &err){
     if (err) {
-        onPublishResult(err, false);
+        onPublishResult_l(err, false);
         return;
     }
     weak_ptr<RtmpPusher> weak_self = dynamic_pointer_cast<RtmpPusher>(shared_from_this());
@@ -138,7 +134,7 @@ void RtmpPusher::onRecv(const Buffer::Ptr &buf){
     } catch (exception &e) {
         SockException ex(Err_other, e.what());
         //定时器_pPublishTimer为空后表明握手结束了
-        onPublishResult(ex, !_publish_timer);
+        onPublishResult_l(ex, !_publish_timer);
     }
 }
 
@@ -226,10 +222,10 @@ inline void RtmpPusher::send_metaData(){
     _rtmp_reader->setDetachCB([weak_self]() {
         auto strong_self = weak_self.lock();
         if (strong_self) {
-            strong_self->onPublishResult(SockException(Err_other, "媒体源被释放"), !strong_self->_publish_timer);
+            strong_self->onPublishResult_l(SockException(Err_other, "媒体源被释放"), !strong_self->_publish_timer);
         }
     });
-    onPublishResult(SockException(Err_success, "success"), false);
+    onPublishResult_l(SockException(Err_success, "success"), false);
     //提升发送性能
     setSocketFlags();
 }

src/Rtmp/RtmpPusher.h

@@ -27,14 +27,6 @@ public:
     void publish(const string &url) override ;
     void teardown() override;
 
-    void setOnPublished(const Event &cb) override {
-        _on_published = cb;
-    }
-
-    void setOnShutdown(const Event &cb) override{
-        _on_shutdown = cb;
-    }
-
 protected:
     //for Tcpclient override
     void onRecv(const Buffer::Ptr &buf) override;
@@ -48,7 +40,7 @@ protected:
     }
 
 private:
-    void onPublishResult(const SockException &ex, bool handshake_done);
+    void onPublishResult_l(const SockException &ex, bool handshake_done);
 
     template<typename FUN>
     inline void addOnResultCB(const FUN &fun) {
@@ -81,16 +73,14 @@ private:
     deque<function<void(AMFValue &dec)> > _deque_on_status;
     unordered_map<int, function<void(AMFDecoder &dec)> > _map_on_result;
 
-    //事件监听
-    Event _on_shutdown;
-    Event _on_published;
-
     //推流超时定时器
     std::shared_ptr<Timer> _publish_timer;
     std::weak_ptr<RtmpMediaSource> _publish_src;
     RtmpMediaSource::RingType::RingReader::Ptr _rtmp_reader;
 };
 
+using RtmpPusherImp = PusherImp<RtmpPusher, PusherBase>;
+
 } /* namespace mediakit */
 
 #endif /* SRC_RTMP_RTMPPUSHER_H_ */

src/Rtsp/RtspPusher.cpp

@@ -57,7 +57,7 @@ void RtspPusher::teardown() {
 void RtspPusher::publish(const string &url_str) {
     RtspUrl url;
     if (!url.parse(url_str)) {
-        onPublishResult(SockException(Err_other, StrPrinter << "illegal rtsp url:" << url_str), false);
+        onPublishResult_l(SockException(Err_other, StrPrinter << "illegal rtsp url:" << url_str), false);
         return;
     }
 
@@ -83,7 +83,7 @@ void RtspPusher::publish(const string &url_str) {
         if (!strong_self) {
             return false;
         }
-        strong_self->onPublishResult(SockException(Err_timeout, "publish rtsp timeout"), false);
+        strong_self->onPublishResult_l(SockException(Err_timeout, "publish rtsp timeout"), false);
         return false;
     }, getPoller()));
 
@@ -94,7 +94,7 @@ void RtspPusher::publish(const string &url_str) {
     startConnect(url._host, url._port, publish_timeout_sec);
 }
 
-void RtspPusher::onPublishResult(const SockException &ex, bool handshake_done) {
+void RtspPusher::onPublishResult_l(const SockException &ex, bool handshake_done) {
     DebugL << ex.what();
     if (ex.getErrCode() == Err_shutdown) {
         //主动shutdown的，不触发回调
@@ -103,14 +103,10 @@ void RtspPusher::onPublishResult(const SockException &ex, bool handshake_done) {
     if (!handshake_done) {
         //播放结果回调
         _publish_timer.reset();
-        if (_on_published) {
-            _on_published(ex);
-        }
+        onPublishResult(ex);
     } else {
         //播放成功后异常断开回调
-        if (_on_shutdown) {
-            _on_shutdown(ex);
-        }
+        onShutdown(ex);
     }
 
     if (ex) {
@@ -120,12 +116,12 @@ void RtspPusher::onPublishResult(const SockException &ex, bool handshake_done) {
 
 void RtspPusher::onErr(const SockException &ex) {
     //定时器_pPublishTimer为空后表明握手结束了
-    onPublishResult(ex, !_publish_timer);
+    onPublishResult_l(ex, !_publish_timer);
 }
 
 void RtspPusher::onConnect(const SockException &err) {
     if (err) {
-        onPublishResult(err, false);
+        onPublishResult_l(err, false);
         return;
     }
     sendAnnounce();
@@ -137,7 +133,7 @@ void RtspPusher::onRecv(const Buffer::Ptr &buf){
     } catch (exception &e) {
         SockException ex(Err_other, e.what());
         //定时器_pPublishTimer为空后表明握手结束了
-        onPublishResult(ex, !_publish_timer);
+        onPublishResult_l(ex, !_publish_timer);
     }
 }
 
@@ -465,7 +461,7 @@ void RtspPusher::sendRecord() {
         _rtsp_reader->setDetachCB([weak_self]() {
             auto strong_self = weak_self.lock();
             if (strong_self) {
-                strong_self->onPublishResult(SockException(Err_other, "媒体源被释放"), !strong_self->_publish_timer);
+                strong_self->onPublishResult_l(SockException(Err_other, "媒体源被释放"), !strong_self->_publish_timer);
             }
         });
         if (_rtp_type != Rtsp::RTP_TCP) {
@@ -479,7 +475,7 @@ void RtspPusher::sendRecord() {
                 return true;
             }, getPoller()));
         }
-        onPublishResult(SockException(Err_success, "success"), false);
+        onPublishResult_l(SockException(Err_success, "success"), false);
         //提升发送性能
         setSocketFlags();
     };

src/Rtsp/RtspPusher.h

@@ -36,14 +36,6 @@ public:
     void publish(const string &url) override;
     void teardown() override;
 
-    void setOnPublished(const Event &cb) override {
-        _on_published = cb;
-    }
-
-    void setOnShutdown(const Event & cb) override{
-        _on_shutdown = cb;
-    }
-
 protected:
     //for Tcpclient override
     void onRecv(const Buffer::Ptr &buf) override;
@@ -57,7 +49,7 @@ protected:
     virtual void onRtcpPacket(int track_idx, SdpTrack::Ptr &track, uint8_t *data, size_t len);
 
 private:
-    void onPublishResult(const SockException &ex, bool handshake_done);
+    void onPublishResult_l(const SockException &ex, bool handshake_done);
 
     void sendAnnounce();
     void sendSetup(unsigned int track_idx);
@@ -102,9 +94,6 @@ private:
     std::shared_ptr<Timer> _beat_timer;
     std::weak_ptr<RtspMediaSource> _push_src;
     RtspMediaSource::RingType::RingReader::Ptr _rtsp_reader;
-    //事件监听
-    Event _on_shutdown;
-    Event _on_published;
     function<void(const Parser&)> _on_res_func;
     ////////// rtcp ////////////////
     //rtcp发送时间,trackid idx 为数组下标
@@ -113,5 +102,7 @@ private:
     vector<RtcpContext::Ptr> _rtcp_context;
 };
 
+using RtspPusherImp = PusherImp<RtspPusher, PusherBase>;
+
 } /* namespace mediakit */
 #endif //ZLMEDIAKIT_RTSPPUSHER_H