添加媒体注册回调事件:#373

api/include/mk_media.h

@@ -12,6 +12,7 @@
 #define MK_MEDIA_H_
 
 #include "mk_common.h"
+#include "mk_events_objects.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -158,6 +159,22 @@ API_EXPORT void API_CALL mk_media_set_on_seek(mk_media ctx, on_mk_media_seek cb,
  */
 API_EXPORT int API_CALL mk_media_total_reader_count(mk_media ctx);
 
+/**
+ * 生成的MediaSource注册或注销事件
+ * @param user_data 设置回调时的用户数据指针
+ * @param sender 生成的MediaSource对象
+ * @param regist 1为注册事件，0为注销事件
+ */
+typedef void(API_CALL *on_mk_media_source_regist)(void *user_data, mk_media_source sender, int regist);
+
+/**
+ * 设置MediaSource注册或注销事件回调函数
+ * @param ctx 对象指针
+ * @param cb 回调指针
+ * @param user_data 用户数据指针
+ */
+API_EXPORT void API_CALL mk_media_set_on_regist(mk_media ctx, on_mk_media_source_regist cb, void *user_data);
+
 #ifdef __cplusplus
 }
 #endif

api/source/mk_media.cpp

@@ -42,6 +42,12 @@ public:
         _on_seek = cb;
         _on_seek_data = user_data;
     }
+
+    void setOnRegist(on_mk_media_source_regist cb, void *user_data){
+        _on_regist = cb;
+        _on_regist_data = user_data;
+    }
+
 protected:
     // 通知其停止推流
     bool close(MediaSource &sender,bool force) override{
@@ -70,12 +76,21 @@ protected:
     int totalReaderCount(MediaSource &sender) override{
         return _channel->totalReaderCount();
     }
+
+    void onRegist(MediaSource &sender, bool regist) override{
+        if (_on_regist) {
+            _on_regist(_on_regist_data, &sender, regist);
+        }
+    }
+
 private:
     DevChannel::Ptr _channel;
     on_mk_media_close _on_close = nullptr;
     on_mk_media_seek _on_seek = nullptr;
+    on_mk_media_source_regist _on_regist = nullptr;
     void *_on_seek_data;
     void *_on_close_data;
+    void *_on_regist_data;
 };
 
 API_EXPORT void API_CALL mk_media_set_on_close(mk_media ctx, on_mk_media_close cb, void *user_data){
@@ -90,6 +105,12 @@ API_EXPORT void API_CALL mk_media_set_on_seek(mk_media ctx, on_mk_media_seek cb,
     (*obj)->setOnSeek(cb, user_data);
 }
 
+API_EXPORT void API_CALL mk_media_set_on_regist(mk_media ctx, on_mk_media_source_regist cb, void *user_data){
+    assert(ctx);
+    MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;
+    (*obj)->setOnRegist(cb, user_data);
+}
+
 API_EXPORT int API_CALL mk_media_total_reader_count(mk_media ctx){
     assert(ctx);
     MediaHelper::Ptr *obj = (MediaHelper::Ptr *) ctx;

server/FFmpegSource.cpp

@@ -249,6 +249,13 @@ void FFmpegSource::onNoneReader(MediaSource &sender){
     MediaSourceEvent::onNoneReader(sender);
 }
 
+void FFmpegSource::onRegist(MediaSource &sender, bool regist){
+    auto listener = _listener.lock();
+    if(listener){
+        listener->onRegist(sender, regist);
+    }
+}
+
 void FFmpegSource::onGetMediaSource(const MediaSource::Ptr &src) {
     _listener = src->getListener();
     src->setListener(shared_from_this());

server/FFmpegSource.h

@@ -62,6 +62,7 @@ private:
     bool close(MediaSource &sender,bool force) override;
     int totalReaderCount(MediaSource &sender) override;
     void onNoneReader(MediaSource &sender) override;
+    void onRegist(MediaSource &sender, bool regist) override;
 
 private:
     Process _process;

src/Common/MediaSource.cpp

@@ -295,7 +295,7 @@ void MediaSource::regist() {
     //注册该源，注册后服务器才能找到该源
     {
         lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
-        g_mapMediaSrc[_strSchema][_strVhost][_strApp][_strId] =  shared_from_this();
+        g_mapMediaSrc[_strSchema][_strVhost][_strApp][_strId] = shared_from_this();
     }
     _StrPrinter codec_info;
     auto tracks = getTracks(true);
@@ -326,6 +326,11 @@ void MediaSource::regist() {
 
     InfoL << _strSchema << " " << _strVhost << " " << _strApp << " " << _strId << " " << codec_info;
     NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, true, *this);
+
+    auto listener = _listener.lock();
+    if (listener) {
+        listener->onRegist(*this, true);
+    }
 }
 
 //反注册该源
@@ -352,6 +357,11 @@ bool MediaSource::unregist() {
     if(ret){
         InfoL <<  _strSchema << " " << _strVhost << " " << _strApp << " " << _strId;
         NoticeCenter::Instance().emitEvent(Broadcast::kBroadcastMediaChanged, false, *this);
+
+        auto listener = _listener.lock();
+        if (listener) {
+            listener->onRegist(*this, false);
+        }
     }
     return ret;
 }

src/Common/MediaSource.h

@@ -55,6 +55,8 @@ public:
     virtual bool isRecording(MediaSource &sender, Recorder::type type) { return false; };
     // 通知无人观看
     virtual void onNoneReader(MediaSource &sender);
+    //流注册或注销事件
+    virtual void onRegist(MediaSource &sender, bool regist) {};
 
 private:
     Timer::Ptr _async_close_timer;

src/Common/MultiMediaSourceMuxer.cpp

@@ -287,6 +287,13 @@ void MultiMediaSourceMuxer::onNoneReader(MediaSource &sender){
     listener->onNoneReader(sender);
 }
 
+void MultiMediaSourceMuxer::onRegist(MediaSource &sender, bool regist){
+    auto listener = _listener.lock();
+    if (listener) {
+        listener->onRegist(sender, regist);
+    }
+}
+
 bool MultiMediaSourceMuxer::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path) {
     return _muxer->setupRecord(sender,type,start,custom_path);
 }

src/Common/MultiMediaSourceMuxer.h

@@ -137,6 +137,13 @@ public:
      */
     void onNoneReader(MediaSource &sender) override;
 
+    /**
+     * 媒体注册注销事件
+     * @param sender 触发者
+     * @param regist 是否为注册事件
+     */
+    void onRegist(MediaSource &sender, bool regist) override;
+
     /**
      * 设置录制状态
      * @param type 录制类型