diff --git a/audio/blockEngine/Thread.cpp b/audio/blockEngine/Thread.cpp
index f782edd..5848b8b 100644
--- a/audio/blockEngine/Thread.cpp
+++ b/audio/blockEngine/Thread.cpp
@@ -84,7 +84,7 @@ int32_t audio::blockEngine::Thread::start() {
 		return audio::blockEngine::ERR_FAIL;
 	}
 	m_state = audio::blockEngine::statusCreating;
-	m_thread = std::make_shared<ethread::Thread>(audio::blockEngine::Thread::genericThreadCall, reinterpret_cast<void*>(this));
+	m_thread = ememory::makeShared<ethread::Thread>([&]() { threadCall();});
 	// no else ==> the thread is started corectly... (we think)
 	return audio::blockEngine::ERR_NONE;
 }
@@ -142,15 +142,6 @@ bool audio::blockEngine::Thread::stateStop() {
 	return false;
 }
 
-void audio::blockEngine::Thread::genericThreadCall(void* _data) {
-	audio::blockEngine::Thread * self = reinterpret_cast<audio::blockEngine::Thread*>(_data);
-	if (self != nullptr) {
-		self->threadCall();
-	} else {
-		ABE_ERROR("can not start th ethraead ...");
-	}
-}
-
 void audio::blockEngine::Thread::threadCall() {
 	bool autoKill = false;
 	// Endless loop.
diff --git a/audio/blockEngine/Thread.hpp b/audio/blockEngine/Thread.hpp
index ecf6654..56e8b0c 100644
--- a/audio/blockEngine/Thread.hpp
+++ b/audio/blockEngine/Thread.hpp
@@ -7,6 +7,7 @@
 
 #include <ethread/Thread.hpp>
 #include <ethread/Mutex.hpp>
+#include <ememory/memory.hpp>
 #include <etk/os/Fifo.hpp>
 #include <audio/blockEngine/core/audio.hpp>
 
@@ -24,10 +25,8 @@ namespace audio {
 			statusDie, //!< the thread is diing or dead
 		};
 		class Thread {
-			private:
-				static void genericThreadCall(void * data);
 			protected:
-				std::shared_ptr<ethread::Thread> m_thread;
+				ememory::SharedPtr<ethread::Thread> m_thread;
 				ethread::Mutex m_interfaceMutex;
 				int32_t m_flags;
 			public:
diff --git a/audio/blockEngine/base/ReceiverRiver.cpp b/audio/blockEngine/base/ReceiverRiver.cpp
index c4bb490..0f477d6 100644
--- a/audio/blockEngine/base/ReceiverRiver.cpp
+++ b/audio/blockEngine/base/ReceiverRiver.cpp
@@ -65,14 +65,14 @@ int32_t audio::blockEngine::ReceiverRiver::algoInit() {
 		return audio::blockEngine::ERR_FAIL;
 	}
 	// set callback mode ...
-	m_interface->setOutputCallback(std::bind(&ReceiverRiver::onDataNeeded,
-	                                           this,
-	                                           std::placeholders::_1,
-	                                           std::placeholders::_2,
-	                                           std::placeholders::_3,
-	                                           std::placeholders::_4,
-	                                           std::placeholders::_5,
-	                                           std::placeholders::_6));
+	m_interface->setOutputCallback([&](void* _data,
+	                                   const audio::Time& _time,
+	                                   size_t _nbChunk,
+	                                   enum audio::format _format,
+	                                   uint32_t _frequency,
+	                                   const etk::Vector<audio::channel>& _map) {
+	                                   	onDataNeeded(_data, _time, _nbChunk, _format, _frequency, _map);
+	                                   });
 	m_interface->start();
 	return audio::blockEngine::ERR_NONE;
 };