diff --git a/data/Font/FreeSerif.ttf b/data/Font/FreeSerif.ttf
new file mode 100644
index 0000000..b8906f5
Binary files /dev/null and b/data/Font/FreeSerif.ttf differ
diff --git a/data/Font/FreeSerifBold.ttf b/data/Font/FreeSerifBold.ttf
new file mode 100644
index 0000000..59a7a90
Binary files /dev/null and b/data/Font/FreeSerifBold.ttf differ
diff --git a/data/Font/FreeSerifBoldItalic.ttf b/data/Font/FreeSerifBoldItalic.ttf
new file mode 100644
index 0000000..c187d0e
Binary files /dev/null and b/data/Font/FreeSerifBoldItalic.ttf differ
diff --git a/data/Font/FreeSerifItalic.ttf b/data/Font/FreeSerifItalic.ttf
new file mode 100644
index 0000000..7367418
Binary files /dev/null and b/data/Font/FreeSerifItalic.ttf differ
diff --git a/data/menu.ogg b/data/menu.ogg
new file mode 100644
index 0000000..1f318ce
Binary files /dev/null and b/data/menu.ogg differ
diff --git a/data/menu.wav b/data/menu.wav
new file mode 100644
index 0000000..61ee3d1
Binary files /dev/null and b/data/menu.wav differ
diff --git a/eaudiofx/base/GeneratorFile.cpp b/eaudiofx/base/GeneratorFile.cpp
index 8e91cba..44e52e9 100644
--- a/eaudiofx/base/GeneratorFile.cpp
+++ b/eaudiofx/base/GeneratorFile.cpp
@@ -44,6 +44,7 @@ int32_t eaudiofx::GeneratorFile::pull(double _currentTime, int32_t _request, flo
 	buffer->setProperty(_request);
 	uint8_t* data = buffer->getData();
 	if (m_file == NULL) {
+		EAUDIOFX_ERROR("Buffer output error ==> !!ERROR!!");
 		return eaudiofx::ERR_FAIL;
 	}
 	int64_t nbRead = m_file->fileRead(data, sizeof(uint8_t), _request);
@@ -53,7 +54,7 @@ int32_t eaudiofx::GeneratorFile::pull(double _currentTime, int32_t _request, flo
 
 
 int32_t eaudiofx::GeneratorFile::init(void) {
-	m_file = new etk::FSNode("./menu.wav");
+	m_file = new etk::FSNode("DATA:menu.wav");
 	if (m_file == NULL) {
 		EAUDIOFX_ERROR("Can not allocate the input file ...");
 		return eaudiofx::ERR_FAIL;
@@ -72,8 +73,12 @@ int32_t eaudiofx::GeneratorFile::unInit(void) {
 	}
 	if (m_file->fileClose() == false) {
 		EAUDIOFX_ERROR("Can not close the input file ...");
+		delete(m_file);
+		m_file = NULL;
 		return eaudiofx::ERR_FAIL;
 	}
+	delete(m_file);
+	m_file = NULL;
 	return eaudiofx::ERR_NONE;
 }
 
diff --git a/eaudiofx/base/GeneratorSignal.cpp b/eaudiofx/base/GeneratorSignal.cpp
index df9d5f2..979ad79 100644
--- a/eaudiofx/base/GeneratorSignal.cpp
+++ b/eaudiofx/base/GeneratorSignal.cpp
@@ -42,7 +42,6 @@ int32_t eaudiofx::GeneratorSignal::pull(double _currentTime, int32_t _request, f
 	//request outpuffer needed size :
 	buffer->setProperty(48000, 2, _request);
 	float* data = buffer->getData();
-	
 	for (int32_t iii=0; iii<_request; ++iii) {
 		for (int32_t jjj=0; jjj<2; ++jjj) {
 			*data++ = cos(m_phase)*0.5f;
diff --git a/eaudiofx/base/ReceiverRtAudio.cpp b/eaudiofx/base/ReceiverRtAudio.cpp
index 513da71..b79fa02 100644
--- a/eaudiofx/base/ReceiverRtAudio.cpp
+++ b/eaudiofx/base/ReceiverRtAudio.cpp
@@ -38,10 +38,16 @@ int32_t eaudiofx::ReceiverRtAudio::needData(float* _outputBuffer,
                                             size_t _nBufferFrames,
                                             double _streamTime,
                                             airtaudio::streamStatus _status) {
+	if (m_processStarted == false) {
+		for (int32_t iii=0; iii<_nBufferFrames*2; ++iii) {
+			_outputBuffer[iii] = 0;
+		}
+		return 0;
+	}
 	// Request block input:
 	int32_t ret = eaudiofx::Block::pull(_streamTime, _nBufferFrames, (float)_nBufferFrames/48000.0f);
 	if (ret != eaudiofx::ERR_NONE) {
-		EAUDIOFX_ERROR("wan not get data ...");
+		EAUDIOFX_ERROR("can not get data ...");
 		return -1;
 	}
 	auto it = m_io.find("in");
@@ -56,7 +62,8 @@ int32_t eaudiofx::ReceiverRtAudio::needData(float* _outputBuffer,
 	}
 	float* data = buffer->getData();
 	for (int32_t iii=0; iii<_nBufferFrames*2; ++iii) {
-		_outputBuffer[iii] = data[iii]*0.05f;
+		_outputBuffer[iii] = data[iii]*0.5f;
+		//EAUDIOFX_ERROR("write : " << data[iii]);
 	}
 	/*
 	FILE* plopppp = fopen("plopout.raw", "a");
@@ -69,7 +76,8 @@ int32_t eaudiofx::ReceiverRtAudio::needData(float* _outputBuffer,
 
 
 
-eaudiofx::ReceiverRtAudio::ReceiverRtAudio(void) {
+eaudiofx::ReceiverRtAudio::ReceiverRtAudio(void) :
+  m_processStarted(false) {
 	setLive(true);
 	// set output :
 	m_io.insert(
@@ -85,18 +93,19 @@ eaudiofx::ReceiverRtAudio::ReceiverRtAudio(void) {
 
 
 int32_t eaudiofx::ReceiverRtAudio::init(void) {
+	EAUDIOFX_DEBUG("Intanciat AirTAudio Interface ...");
 	m_dac.instanciate();
-	EAUDIOFX_DEBUG("Create RTAudio generator ...");
+	EAUDIOFX_DEBUG("Create RTAudio receiver ...");
 	if ( m_dac.getDeviceCount() < 1 ) {
 		EAUDIOFX_ERROR("No audio devices found!");
-		exit( 0 );
+		return eaudiofx::ERR_FAIL;
 	}
 	EAUDIOFX_DEBUG("nb devices :" << m_dac.getDeviceCount() << " default device ID : " << m_dac.getDefaultOutputDevice());
 	m_parameters.deviceId = m_dac.getDefaultOutputDevice();
 	m_parameters.nChannels = 2;
 	m_parameters.firstChannel = 0;
 	unsigned int bufferFrames = 256;
-	EAUDIOFX_DEBUG("OPEN Stream ...");
+	EAUDIOFX_DEBUG("init Stream ...");
 	// TODO : Check return error
 	m_dac.openStream(&m_parameters, NULL, airtaudio::FLOAT32, 48000, &bufferFrames, &rtAudioCallBack, (void *)this);
 	// TODO : Check return error
@@ -106,7 +115,7 @@ int32_t eaudiofx::ReceiverRtAudio::init(void) {
 };
 
 int32_t eaudiofx::ReceiverRtAudio::unInit(void) {
-	EAUDIOFX_DEBUG("STOP Stream ...");
+	EAUDIOFX_DEBUG("un-init Stream ...");
 	// Stop the stream
 	m_dac.stopStream();
 	// TODO : Check return error
@@ -117,4 +126,15 @@ int32_t eaudiofx::ReceiverRtAudio::unInit(void) {
 	return eaudiofx::ERR_NONE;
 };
 
+int32_t eaudiofx::ReceiverRtAudio::start(void) {
+	EAUDIOFX_DEBUG("Start stream ...");
+	m_processStarted = true;
+	return eaudiofx::ERR_NONE;
+};
+
+int32_t eaudiofx::ReceiverRtAudio::stop(void) {
+	EAUDIOFX_DEBUG("Stop Stream ...");
+	m_processStarted = false;
+	return eaudiofx::ERR_NONE;
+};
 
diff --git a/eaudiofx/base/ReceiverRtAudio.h b/eaudiofx/base/ReceiverRtAudio.h
index 1b0fe84..6a119cf 100644
--- a/eaudiofx/base/ReceiverRtAudio.h
+++ b/eaudiofx/base/ReceiverRtAudio.h
@@ -32,6 +32,11 @@ namespace eaudiofx {
 		public: // herieted function :
 			virtual int32_t init(void);
 			virtual int32_t unInit(void);
+		private:
+			bool m_processStarted;
+		public:
+			virtual int32_t start(void);
+			virtual int32_t stop(void);
 		protected:
 			airtaudio::Interface m_dac;
 			airtaudio::StreamParameters m_parameters;
diff --git a/eaudiofx/core/Block.cpp b/eaudiofx/core/Block.cpp
index 434af81..d72e0a4 100644
--- a/eaudiofx/core/Block.cpp
+++ b/eaudiofx/core/Block.cpp
@@ -41,8 +41,10 @@ eaudiofx::Block::~Block(void) {
 
 int32_t eaudiofx::Block::pull(double _currentTime, int32_t _request, float _timeout) {
 	int32_t ret = eaudiofx::ERR_NONE;
+	//EAUDIOFX_DEBUG("Pull request for " << m_io.size() << " IO(s)");
 	for (auto &it : m_io) {
 		if (it.second.m_buffer == NULL) {
+			EAUDIOFX_DEBUG("    ==> null buffer");
 			continue;
 		}
 		if (    it.second.m_type != eaudiofx::Block::ioInput
diff --git a/eaudiofx/core/Block.h b/eaudiofx/core/Block.h
index 12d4e6a..e4df8a2 100644
--- a/eaudiofx/core/Block.h
+++ b/eaudiofx/core/Block.h
@@ -119,6 +119,12 @@ namespace eaudiofx {
 			virtual int32_t unInit(void) {
 				return eaudiofx::ERR_NONE;
 			};
+			virtual int32_t start(void) {
+				return eaudiofx::ERR_NONE;
+			};
+			virtual int32_t stop(void) {
+				return eaudiofx::ERR_NONE;
+			};
 			/**
 			 * @brief Call by downstream to request some data
 			 * @param[in] _currentTime Current stream time (in second)
diff --git a/eaudiofx/core/BlockDecoder.cpp b/eaudiofx/core/BlockDecoder.cpp
index 1630e67..6625955 100644
--- a/eaudiofx/core/BlockDecoder.cpp
+++ b/eaudiofx/core/BlockDecoder.cpp
@@ -37,7 +37,6 @@ eaudiofx::BlockDecoder::BlockDecoder(void) :
 }
 
 int32_t eaudiofx::BlockDecoder::pull(double _currentTime, int32_t _request, float _timeout) {
-	
 	auto itOut = m_io.find("out");
 	if (itOut == m_io.end()) {
 		EAUDIOFX_WARNING("request to pull data with no output !!!");
@@ -58,7 +57,7 @@ int32_t eaudiofx::BlockDecoder::pull(double _currentTime, int32_t _request, floa
 	bufferOut->setProperty(48000, 2, _request);
 	float* dataOut = bufferOut->getData();
 	int32_t offset = 0;
-	EAUDIOFX_DEBUG("Request data : " << (_request*2) );
+	//EAUDIOFX_DEBUG("Request data : " << (_request*2) );
 	while (1) {
 		int32_t nbSampleToCopy = etk_min(m_nbSampleIn, _request*2 - offset);
 		if (m_nbSampleIn > 0) {
@@ -73,12 +72,10 @@ int32_t eaudiofx::BlockDecoder::pull(double _currentTime, int32_t _request, floa
 				for (int32_t iii=0; iii < MAX_DATA_IN_BUFFER-nbSampleToCopy; ++iii) {
 					m_tmpBuffer[iii] = m_tmpBuffer[nbSampleToCopy+iii];
 				}
+			} else {
+				m_nbSampleIn = 0;
 			}
 			if (offset == _request*2) {
-				FILE* plopppp = fopen("plopDEC.raw", "a");
-				fwrite(dataOut, sizeof(float), _request*2, plopppp);
-				fflush(plopppp);
-				fclose(plopppp);
 				// putput have enought data
 				return eaudiofx::ERR_NONE;
 			}
@@ -117,7 +114,7 @@ int32_t eaudiofx::BlockDecoder::pull(double _currentTime, int32_t _request, floa
 				m_nbSampleIn++;
 			}
 		}
-		EAUDIOFX_DEBUG("internal FIFO : " << m_nbSampleIn );
+		//EAUDIOFX_DEBUG("internal FIFO : " << m_nbSampleIn );
 	}
 	return eaudiofx::ERR_NONE;
 }
diff --git a/eaudiofx/core/BlockMeta.cpp b/eaudiofx/core/BlockMeta.cpp
index b9e8a5b..29542de 100644
--- a/eaudiofx/core/BlockMeta.cpp
+++ b/eaudiofx/core/BlockMeta.cpp
@@ -151,3 +151,38 @@ int32_t eaudiofx::BlockMeta::unInit(void) {
 	return ret;
 };
 
+
+int32_t eaudiofx::BlockMeta::start(void) {
+	EAUDIOFX_INFO("[" << getUID() << "] Start Meta block : '" << getName() << "'");
+	int32_t ret = eaudiofx::ERR_NONE;
+	for (auto &it : m_list) {
+		if (it == NULL) {
+			continue;
+		}
+		if (it->start() != eaudiofx::ERR_NONE) {
+			ret = eaudiofx::ERR_FAIL;
+		}
+	}
+	if (ret != eaudiofx::ERR_NONE) {
+		EAUDIOFX_WARNING("Pb when start the Meta-block '" << getName() << "' ");
+	}
+	return ret;
+};
+
+int32_t eaudiofx::BlockMeta::stop(void) {
+	EAUDIOFX_INFO("[" << getUID() << "] Stop Meta block : '" << getName() << "'");
+	int32_t ret = eaudiofx::ERR_NONE;
+	for (auto &it : m_list) {
+		if (it == NULL) {
+			continue;
+		}
+		if (it->stop() != eaudiofx::ERR_NONE) {
+			ret = eaudiofx::ERR_FAIL;
+		}
+	}
+	if (ret != eaudiofx::ERR_NONE) {
+		EAUDIOFX_WARNING("Pb when stop the Meta-block '" << getName() << "' ");
+	}
+	return ret;
+};
+
diff --git a/eaudiofx/core/BlockMeta.h b/eaudiofx/core/BlockMeta.h
index 056e456..a6a746d 100644
--- a/eaudiofx/core/BlockMeta.h
+++ b/eaudiofx/core/BlockMeta.h
@@ -82,6 +82,8 @@ namespace eaudiofx {
 		public: // herited function
 			virtual int32_t init(void);
 			virtual int32_t unInit(void);
+			virtual int32_t start(void);
+			virtual int32_t stop(void);
 	};
 };
 
diff --git a/eaudiofx/core/BufferStream.cpp b/eaudiofx/core/BufferStream.cpp
index 8152f88..aa62a8f 100644
--- a/eaudiofx/core/BufferStream.cpp
+++ b/eaudiofx/core/BufferStream.cpp
@@ -34,8 +34,8 @@ void eaudiofx::BufferStream::resize(size_t _newSize) {
 		m_data = NULL;
 		m_allocated = 0;
 	}
-	EAUDIOFX_ERROR("Request allocate of " << _newSize << " samples");
-	m_data = new uint8_t[_newSize];
+	EAUDIOFX_ERROR("Request allocate of " << _newSize << " bytes");
+	m_data = new uint8_t[_newSize*2];
 	if (m_data == NULL) {
 		EAUDIOFX_ERROR("Can not allocate Buffer Audio");
 	} else {
diff --git a/eaudiofx/core/Processing.cpp b/eaudiofx/core/Processing.cpp
index 03f3166..5c6664a 100644
--- a/eaudiofx/core/Processing.cpp
+++ b/eaudiofx/core/Processing.cpp
@@ -17,11 +17,19 @@ int32_t eaudiofx::Processing::process(void) {
 
 int32_t eaudiofx::Processing::start(void) {
 	EAUDIOFX_INFO("Start Processing : '" << getName() << "'");
-	return init();
+	int32_t ret = init();
+	if (ret != eaudiofx::ERR_NONE) {
+		return ret;
+	}
+	return eaudiofx::BlockMeta::start();
 }
 
 int32_t eaudiofx::Processing::stop(void) {
 	EAUDIOFX_INFO("Stop Processing : '" << getName() << "'");
+	int32_t ret = eaudiofx::BlockMeta::stop();
+	if (ret != eaudiofx::ERR_NONE) {
+		return ret;
+	}
 	return unInit();
 }
 
diff --git a/lutin_eaudiofx_test.py b/lutin_eaudiofx_test.py
index 6865574..f4111f4 100644
--- a/lutin_eaudiofx_test.py
+++ b/lutin_eaudiofx_test.py
@@ -8,7 +8,7 @@ def get_desc():
 
 
 def create(target):
-	myModule = module.Module(__file__, 'eaudiofx_test', 'BINARY')
+	myModule = module.Module(__file__, 'eaudiofx_test', 'PACKAGE')
 	# basic GUI :
 	myModule.add_src_file([
 		'test/debug.cpp',
@@ -21,6 +21,24 @@ def create(target):
 	
 	myModule.add_export_path(tools.get_current_path(__file__))
 	
+	myModule.copy_folder("data/Font/Free*.ttf","fonts/")
+	myModule.copy_folder("data/menu*","")
+	
+	# set the package properties :
+	myModule.pkg_set("VERSION", "0.0.0")
+	myModule.pkg_set("COMPAGNY_TYPE", "org")
+	myModule.pkg_set("COMPAGNY_NAME", "Edouard DUPIN")
+	myModule.pkg_set("MAINTAINER", ["Mr DUPIN Edouard <yui.heero@gmail.com>"])
+	#if target.name=="MacOs":
+	#	myModule.pkg_set("ICON", tools.get_current_path(__file__) + "/../data/icon.icns")
+	#else:
+	#	myModule.pkg_set("ICON", tools.get_current_path(__file__) + "/../data/icon.png")
+	
+	myModule.pkg_set("SECTION", ["Test"])
+	myModule.pkg_set("PRIORITY", "optional")
+	myModule.pkg_set("DESCRIPTION", "Test tool of e-audio-FX")
+	myModule.pkg_set("NAME", "e-audio-FX test")
+	
 	# add the currrent module at the 
 	return myModule
 
diff --git a/test/Main.cpp b/test/Main.cpp
index 1b2283a..55c0c3a 100644
--- a/test/Main.cpp
+++ b/test/Main.cpp
@@ -38,8 +38,8 @@ bool APP_Init(ewol::Context& _context) {
 	_context.setSize(vec2(800, 600));
 	
 	// select internal data for font ...
-	_context.getFontDefault().setUseExternal(true);
-	_context.getFontDefault().set("FreeSerif;DejaVuSansMono", 19);
+	_context.getFontDefault().setUseExternal(false);
+	_context.getFontDefault().set("FreeSerif", 30);
 	
 	ewol::widget::Windows* basicWindows = new appl::Windows();
 	// create the specific windows
diff --git a/test/Windows.cpp b/test/Windows.cpp
index 822327e..033d364 100644
--- a/test/Windows.cpp
+++ b/test/Windows.cpp
@@ -96,7 +96,6 @@ void appl::Windows::onReceiveMessage(const ewol::object::Message& _msg) {
 			process->start();
 			return;
 		#else
-			
 			APPL_INFO("Play Requested ...");
 			process = new eaudiofx::Processing();
 			if (process == NULL) {