diff --git a/audio/ess/LoadedFile.cpp b/audio/ess/LoadedFile.cpp
index 75d4718..72a8e2d 100644
--- a/audio/ess/LoadedFile.cpp
+++ b/audio/ess/LoadedFile.cpp
@@ -53,7 +53,7 @@ audio::ess::LoadedFile::LoadedFile(const std::string& _fileName, int8_t _nbChanR
 			#if defined(__TARGET_OS__Android)
 				pthread_create(&m_thread, nullptr, &audio::ess::LoadedFile::threadCallback, this);
 			#else
-				m_thread = std::make_shared<std::thread>(&audio::ess::LoadedFile::threadCall, this);
+				m_thread = ememory::makeShared<std::thread>(&audio::ess::LoadedFile::threadCall, this);
 				if (m_thread == nullptr) {
 					EWOLSA_ERROR("Can not create thread ...");
 					return;
diff --git a/audio/ess/LoadedFile.h b/audio/ess/LoadedFile.h
index 51678f9..cc673a8 100644
--- a/audio/ess/LoadedFile.h
+++ b/audio/ess/LoadedFile.h
@@ -7,6 +7,7 @@
 
 #include <etk/types.h>
 #include <thread>
+#include <ememory/memory.h>
 
 namespace audio {
 	namespace ess {
@@ -21,7 +22,7 @@ namespace audio {
 				#if defined(__TARGET_OS__Android)
 					pthread_t m_thread;
 				#else
-					std::shared_ptr<std::thread> m_thread;
+					ememory::SharedPtr<std::thread> m_thread;
 				#endif
 			public:
 				LoadedFile(const std::string& _fileName, int8_t _nbChanRequested=1);
diff --git a/audio/ess/effects.cpp b/audio/ess/effects.cpp
index fff2e99..a633b04 100644
--- a/audio/ess/effects.cpp
+++ b/audio/ess/effects.cpp
@@ -12,7 +12,7 @@
 #include <audio/ess/decWav.h>
 #include <math.h>
 
-audio::ess::Effects::Effects(const std::shared_ptr<audio::river::Manager>& _manager) :
+audio::ess::Effects::Effects(const ememory::SharedPtr<audio::river::Manager>& _manager) :
   m_manager(_manager) {
 	std::unique_lock<std::mutex> lock(m_mutex);
 	//Set stereo output:
@@ -51,7 +51,7 @@ audio::ess::Effects::~Effects() {
 }
 
 
-static bool playData(const std::shared_ptr<audio::ess::LoadedFile>& _file, int32_t& _position, int16_t* _bufferInterlace, int32_t _nbSample) {
+static bool playData(const ememory::SharedPtr<audio::ess::LoadedFile>& _file, int32_t& _position, int16_t* _bufferInterlace, int32_t _nbSample) {
 	if (    _file == nullptr
 	     || _file->m_data.size() == 0) {
 		return true;
@@ -59,7 +59,7 @@ static bool playData(const std::shared_ptr<audio::ess::LoadedFile>& _file, int32
 	int32_t processTimeMax = std::min(_nbSample, _file->m_nbSamples - _position);
 	processTimeMax = std::max(0, processTimeMax);
 	int16_t * pointer = _bufferInterlace;
-	int16_t * newData = &_file->m_data[_position];
+	const int16_t * newData = &_file->m_data[_position];
 	//EWOLSA_DEBUG("AUDIO : Play slot... nb sample : " << processTimeMax << " playTime=" <<m_playTime << " nbCannels=" << nbChannels);
 	for (int32_t iii=0; iii<processTimeMax; iii++) {
 		int32_t tmppp = int32_t(*_bufferInterlace) + int32_t(*newData);
@@ -99,7 +99,7 @@ void audio::ess::Effects::onDataNeeded(void* _data,
 
 void audio::ess::Effects::load(const std::string& _file, const std::string& _name) {
 	// load the file:
-	std::shared_ptr<audio::ess::LoadedFile> tmp = std::make_shared<audio::ess::LoadedFile>(_file, 2);
+	ememory::SharedPtr<audio::ess::LoadedFile> tmp = ememory::makeShared<audio::ess::LoadedFile>(_file, 2);
 	if (tmp == nullptr) {
 		EWOLSA_ERROR("can not load audio Effects = " << _file);
 		return;
@@ -113,7 +113,7 @@ void audio::ess::Effects::load(const std::string& _file, const std::string& _nam
 		}
 	}
 	if (-1 <= id) {
-		m_list.push_back(std::pair<std::string,std::shared_ptr<audio::ess::LoadedFile>>(_name,tmp));
+		m_list.push_back(std::pair<std::string,ememory::SharedPtr<audio::ess::LoadedFile>>(_name,tmp));
 	} else {
 		m_list[id].second = tmp;
 	}
@@ -126,7 +126,7 @@ int32_t audio::ess::Effects::getId(const std::string& _name) {
 			return iii;
 		}
 	}
-	m_list.push_back(std::pair<std::string,std::shared_ptr<audio::ess::LoadedFile>>(_name,nullptr));
+	m_list.push_back(std::pair<std::string,ememory::SharedPtr<audio::ess::LoadedFile>>(_name,nullptr));
 	EWOLSA_WARNING("Can not find element name : '" << _name << "' added it ... (empty) ");
 	return m_list.size()-1;
 }
@@ -138,7 +138,7 @@ void audio::ess::Effects::play(int32_t _id, const vec3& _pos) {
 		EWOLSA_ERROR(" Can not play element audio with ID=" << _id << " out of [0.." << m_list.size() << "[");
 		return;
 	}
-	m_playing.push_back(std::pair<std::shared_ptr<audio::ess::LoadedFile>, int32_t>(m_list[_id].second, 0));
+	m_playing.push_back(std::pair<ememory::SharedPtr<audio::ess::LoadedFile>, int32_t>(m_list[_id].second, 0));
 }
 
 void audio::ess::Effects::play(const std::string& _name, const vec3& _pos) {
diff --git a/audio/ess/effects.h b/audio/ess/effects.h
index f2353b2..cf381c7 100644
--- a/audio/ess/effects.h
+++ b/audio/ess/effects.h
@@ -17,10 +17,10 @@ namespace audio {
 		class Effects {
 			private:
 				mutable std::mutex m_mutex;
-				std::shared_ptr<audio::river::Manager> m_manager;
-				std::shared_ptr<audio::river::Interface> m_interface;
+				ememory::SharedPtr<audio::river::Manager> m_manager;
+				ememory::SharedPtr<audio::river::Interface> m_interface;
 			public:
-				Effects(const std::shared_ptr<audio::river::Manager>& _manager);
+				Effects(const ememory::SharedPtr<audio::river::Manager>& _manager);
 				~Effects();
 			private:
 				void onDataNeeded(void* _data,
@@ -29,8 +29,8 @@ namespace audio {
 				                  enum audio::format _format,
 				                  uint32_t _sampleRate,
 				                  const std::vector<audio::channel>& _map);
-				std::vector<std::pair<std::shared_ptr<audio::ess::LoadedFile>, int32_t>> m_playing; //!< current music read
-				std::vector<std::pair<std::string, std::shared_ptr<audio::ess::LoadedFile>>> m_list; //!< list of all effect loaded
+				std::vector<std::pair<ememory::SharedPtr<audio::ess::LoadedFile>, int32_t>> m_playing; //!< current music read
+				std::vector<std::pair<std::string, ememory::SharedPtr<audio::ess::LoadedFile>>> m_list; //!< list of all effect loaded
 			public:
 				void load(const std::string& _file, const std::string& _name);
 				int32_t getId(const std::string& _name);
diff --git a/audio/ess/ess.cpp b/audio/ess/ess.cpp
index 644a4ec..2f6ca9e 100644
--- a/audio/ess/ess.cpp
+++ b/audio/ess/ess.cpp
@@ -13,14 +13,14 @@
 #include <audio/ess/debug.h>
 #include <ejson/ejson.h>
 
-std::shared_ptr<audio::river::Manager> g_audioManager;
-std::shared_ptr<audio::ess::Effects> g_effects;
-std::shared_ptr<audio::ess::Music> g_music;
+ememory::SharedPtr<audio::river::Manager> g_audioManager;
+ememory::SharedPtr<audio::ess::Effects> g_effects;
+ememory::SharedPtr<audio::ess::Music> g_music;
 
 void audio::ess::init() {
 	g_audioManager = audio::river::Manager::create("ewol-sound-set");
-	g_effects = std::make_shared<audio::ess::Effects>(g_audioManager);
-	g_music = std::make_shared<audio::ess::Music>(g_audioManager);
+	g_effects = ememory::makeShared<audio::ess::Effects>(g_audioManager);
+	g_music = ememory::makeShared<audio::ess::Music>(g_audioManager);
 }
 
 void audio::ess::unInit() {
diff --git a/audio/ess/music.cpp b/audio/ess/music.cpp
index 9315ac2..f3481a0 100644
--- a/audio/ess/music.cpp
+++ b/audio/ess/music.cpp
@@ -12,7 +12,7 @@
 #include <audio/ess/LoadedFile.h>
 #include <math.h>
 
-audio::ess::Music::Music(const std::shared_ptr<audio::river::Manager>& _manager) :
+audio::ess::Music::Music(const ememory::SharedPtr<audio::river::Manager>& _manager) :
   m_manager(_manager),
   m_position(0) {
 	std::unique_lock<std::mutex> lock(m_mutex);
@@ -97,13 +97,13 @@ void audio::ess::Music::load(const std::string& _file, const std::string& _name)
 	if (it != m_list.end()) {
 		return;
 	}
-	std::shared_ptr<audio::ess::LoadedFile> tmp = std::make_shared<audio::ess::LoadedFile>(_file, 2);
+	ememory::SharedPtr<audio::ess::LoadedFile> tmp = ememory::makeShared<audio::ess::LoadedFile>(_file, 2);
 	if (tmp == nullptr) {
 		EWOLSA_ERROR("can not load audio Music = " << _file);
 		return;
 	}
 	std::unique_lock<std::mutex> lock(m_mutex);
-	m_list.insert(std::pair<std::string,std::shared_ptr<audio::ess::LoadedFile>>(_name,tmp));
+	m_list.insert(std::pair<std::string,ememory::SharedPtr<audio::ess::LoadedFile>>(_name,tmp));
 }
 
 void audio::ess::Music::play(const std::string& _name) {
diff --git a/audio/ess/music.h b/audio/ess/music.h
index 5ce95bc..233023b 100644
--- a/audio/ess/music.h
+++ b/audio/ess/music.h
@@ -18,10 +18,10 @@ namespace audio {
 		class Music {
 			private:
 				mutable std::mutex m_mutex;
-				std::shared_ptr<audio::river::Manager> m_manager;
-				std::shared_ptr<audio::river::Interface> m_interface;
+				ememory::SharedPtr<audio::river::Manager> m_manager;
+				ememory::SharedPtr<audio::river::Interface> m_interface;
 			public:
-				Music(const std::shared_ptr<audio::river::Manager>& _manager);
+				Music(const ememory::SharedPtr<audio::river::Manager>& _manager);
 				~Music();
 			private:
 				void onDataNeeded(void* _data,
@@ -30,10 +30,10 @@ namespace audio {
 				                  enum audio::format _format,
 				                  uint32_t _sampleRate,
 				                  const std::vector<audio::channel>& _map);
-				std::shared_ptr<audio::ess::LoadedFile> m_current; //!< current music read
+				ememory::SharedPtr<audio::ess::LoadedFile> m_current; //!< current music read
 				int32_t m_position; //!< current position of music read
-				std::map<std::string, std::shared_ptr<audio::ess::LoadedFile> > m_list; //!< list of all music loaded
-				std::shared_ptr<audio::ess::LoadedFile> m_next; //!< next music to read
+				std::map<std::string, ememory::SharedPtr<audio::ess::LoadedFile> > m_list; //!< list of all music loaded
+				ememory::SharedPtr<audio::ess::LoadedFile> m_next; //!< next music to read
 			public:
 				void load(const std::string& _file, const std::string& _name);
 				void play(const std::string& _name);