From 87db64f5f958465c74d139b6eda8909c535e7208 Mon Sep 17 00:00:00 2001
From: Edouard Dupin <edouard.dupin@parrot.com>
Date: Wed, 25 Jul 2012 12:31:27 +0200
Subject: [PATCH] basic audio generation

---
 jni/appl/Gui/MainWindows.cpp | 246 ++++++++++++++++++++----
 jni/appl/Gui/MainWindows.h   |   1 -
 jni/appl/generator.cpp       | 351 ++++++++++++++++++++++++++++++++---
 jni/appl/generator.h         |  66 +++++++
 jni/appl/init.cpp            |   8 +-
 5 files changed, 614 insertions(+), 58 deletions(-)

diff --git a/jni/appl/Gui/MainWindows.cpp b/jni/appl/Gui/MainWindows.cpp
index 25e32f4..25a53ac 100644
--- a/jni/appl/Gui/MainWindows.cpp
+++ b/jni/appl/Gui/MainWindows.cpp
@@ -48,6 +48,18 @@
 #undef __class__
 #define __class__	"MainWindows"
 
+static const char* const l_applEventPlay = "appl-play";
+static const char* const l_applEventBlit = "appl-Blit";
+static const char* const l_applEventJump = "appl-Jump";
+static const char* const l_applEventHit = "appl-Hit";
+static const char* const l_applEventPowerUp = "appl-PowerUp";
+static const char* const l_applEventExplosion = "appl-Explosion";
+static const char* const l_applEventLaser = "appl-Laser";
+static const char* const l_applEventPick = "appl-Pick";
+static const char* const l_applEventRandom = "appl-Random";
+static const char* const l_applEventMutant = "appl-Mutant";
+
+
 MainWindows::MainWindows(void)
 {
 	APPL_DEBUG("CREATE WINDOWS ... ");
@@ -69,25 +81,42 @@ MainWindows::MainWindows(void)
 			
 			mySizerVert2 = new ewol::SizerVert();
 			mySizerHori->SubWidgetAdd(mySizerVert2);
+				myButton = new ewol::Button("Play");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventPlay);
+				mySizerVert2->SubWidgetAdd(myButton);
+				
 				mySpacer = new ewol::Spacer();
 				mySpacer->SetExpendY(true);
 				mySizerVert2->SubWidgetAdd(mySpacer);
 				
-				myButton = new ewol::Button("BLIP/SELECT");
+				myButton = new ewol::Button("Blip/Select");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventBlit);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("JUMP");
+				myButton = new ewol::Button("Jump");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventJump);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("HIT/HURT");
+				myButton = new ewol::Button("Hit/Hurt");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventHit);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("POWER UP");
+				myButton = new ewol::Button("Power up");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventPowerUp);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("EXPLOSION");
+				myButton = new ewol::Button("Explosion");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventExplosion);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("LASER/SHOOT");
+				myButton = new ewol::Button("Laser/Shoot");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventLaser);
 				mySizerVert2->SubWidgetAdd(myButton);
-				myButton = new ewol::Button("PICKUP/COIN");
+				myButton = new ewol::Button("Pick up/Coin");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventPick);
 				mySizerVert2->SubWidgetAdd(myButton);
 				
+				myButton = new ewol::Button("Random");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventRandom);
+				mySizerVert2->SubWidgetAdd(myButton);
+				myButton = new ewol::Button("Mutant");
+				myButton->RegisterOnEvent(this, ewolEventButtonPressed,  l_applEventMutant);
+				mySizerVert2->SubWidgetAdd(myButton);
 				
 			mySizerVert2 = new ewol::SizerVert();
 			mySizerHori->SubWidgetAdd(mySizerVert2);
@@ -98,37 +127,67 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("HP FILTER CUTOFF SWEEP");
+					myLabel = new ewol::Label("HP filter cutoff sweep");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("HP FILTER CUTOFF");
+					myLabel = new ewol::Label("HP filter cutoff");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 					
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("LP FILTER RESONANCE");
+					myLabel = new ewol::Label("LP filter resonance");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 					
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("LP FILTER CUTOFF SWEEP");
+					myLabel = new ewol::Label("LP filter cutoff sweep");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 					
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("LP FILTER CUTOFF");
+					myLabel = new ewol::Label("LP filter cutoff");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 					
 				mySpacer = new ewol::Spacer();
@@ -137,16 +196,28 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("PHASER SWEEP");
+					myLabel = new ewol::Label("Phaser sweep");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("PHASER OFFSET");
+					myLabel = new ewol::Label("Phaser offset");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				
@@ -156,9 +227,15 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("REPEAT SPEED");
+					myLabel = new ewol::Label("Repeat speed");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				
@@ -168,16 +245,28 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("DUTY SWEEP");
+					myLabel = new ewol::Label("Duty sweep");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("SQUARE DUTY");
+					myLabel = new ewol::Label("Square duty");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySpacer = new ewol::Spacer();
@@ -186,16 +275,28 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("CHANGE SPEED");
+					myLabel = new ewol::Label("Change speed");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("CHANGE AMOUNT");
+					myLabel = new ewol::Label("Change amount");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 	
 	
@@ -206,44 +307,80 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("VIBRATO SPEED");
+					myLabel = new ewol::Label("Vibrato speed");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("VIBRATO DEPTH");
+					myLabel = new ewol::Label("Vibrato depth");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("DELTA SLIDE");
+					myLabel = new ewol::Label("Delta slide");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("SLIDE");
+					myLabel = new ewol::Label("Slide");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("MIN FREQUENCY");
+					myLabel = new ewol::Label("Min frequency");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("START FREQUENCY");
+					myLabel = new ewol::Label("Start frequency");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySpacer = new ewol::Spacer();
@@ -252,30 +389,54 @@ MainWindows::MainWindows(void)
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("DECAY TIME");
+					myLabel = new ewol::Label("Decay time");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("SUSTAIN PUNCH");
+					myLabel = new ewol::Label("Sustain punch");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("SUSTAIN TIME");
+					myLabel = new ewol::Label("Sustain time");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 				mySizerHori2 = new ewol::SizerHori();
 				mySizerVert2->SubWidgetAdd(mySizerHori2);
-					myLabel = new ewol::Label("ATTACK TIME");
+					myLabel = new ewol::Label("Attack time");
 					mySizerHori2->SubWidgetAdd(myLabel);
+					mySpacer = new ewol::Spacer();
+					mySpacer->SetExpendX(true);
+					mySizerHori2->SubWidgetAdd(mySpacer);
 					mySlider = new ewol::Slider();
+					mySlider->SetMinSize(300);
+					mySlider->SetMin(0);
+					mySlider->SetMax(100);
 					mySizerHori2->SubWidgetAdd(mySlider);
 				
 		mySizerHori = new ewol::SizerHori();
@@ -293,11 +454,6 @@ MainWindows::MainWindows(void)
 				(void)myMenu->Add(idMenuFile, "Save",         "icon/Save.svg", ednMsgGuiSave, "current");
 				(void)myMenu->Add(idMenuFile, "Save As ...",  "", ednMsgGuiSaveAs);
 				*/
-			
-			m_widgetLabelFileName = new ewol::Label("FileName");
-			m_widgetLabelFileName->SetExpendX(true);
-			m_widgetLabelFileName->SetFillY(true);
-			mySizerHori->SubWidgetAdd(m_widgetLabelFileName);
 		
 	// Generic event ...
 	//RegisterMultiCast(ednMsgGuiSaveAs);
@@ -324,7 +480,27 @@ const char *const ednEventPopUpFileSaveAs   = "edn-mainWindows-saveAsSelected";
 void MainWindows::OnReceiveMessage(ewol::EObject * CallerObject, const char * eventId, etk::UString data)
 {
 	ewol::Windows::OnReceiveMessage(CallerObject, eventId, data);
-	
+	if (eventId == l_applEventPlay) {
+		generator::PlaySample();
+	} else if (eventId == l_applEventBlit) {
+		generator::GenerateBasicBlipSelect();
+	} else if (eventId == l_applEventJump) {
+		generator::GenerateBasicJump();
+	} else if (eventId == l_applEventHit) {
+		generator::GenerateBasicHitHurt();
+	} else if (eventId == l_applEventPowerUp) {
+		generator::GenerateBasicPowerUp();
+	} else if (eventId == l_applEventExplosion) {
+		generator::GenerateBasicExplosion();
+	} else if (eventId == l_applEventLaser) {
+		generator::GenerateBasicLaserShoot();
+	} else if (eventId == l_applEventPick) {
+		generator::GenerateBasicPickUpCoin();
+	} else if (eventId == l_applEventRandom) {
+		generator::GenerateBasicRandom();
+	} else if (eventId == l_applEventMutant) {
+		generator::GenerateBasicMutate();
+	}
 	return;
 }
 
diff --git a/jni/appl/Gui/MainWindows.h b/jni/appl/Gui/MainWindows.h
index 211e75c..b8e89a0 100644
--- a/jni/appl/Gui/MainWindows.h
+++ b/jni/appl/Gui/MainWindows.h
@@ -34,7 +34,6 @@ class MainWindows : public ewol::Windows
 {
 	private:
 		int32_t m_currentSavingAsIdBuffer;
-		ewol::Label* m_widgetLabelFileName;
 	public:
 		// Constructeur
 		MainWindows(void);
diff --git a/jni/appl/generator.cpp b/jni/appl/generator.cpp
index 8ad25be..b69937c 100644
--- a/jni/appl/generator.cpp
+++ b/jni/appl/generator.cpp
@@ -343,7 +343,7 @@ void ResetSample(bool restart)
 	}
 }
 
-void PlaySample()
+void generator::PlaySample(void)
 {
 	ResetSample(false);
 	playing_sample=true;
@@ -534,24 +534,24 @@ void SynthSample(int length, float* buffer, FILE* file)
 
 
 //lets use SDL in stead
-static void SDLAudioCallback(int16_t *stream, int32_t len)
+void generator::GenerateAudio(int16_t * bufferInterlace, int32_t nbSample, int32_t nbChannels)
 {
 	if (playing_sample) {
-		float fbuf[len];
-		memset(fbuf, 0, sizeof(int32_t));
-		SynthSample(len, fbuf, NULL);
-		while (len--) {
-			float f = fbuf[len];
+		float fbuf[nbSample];
+		memset(fbuf, 0, sizeof(float));
+		SynthSample(nbSample, fbuf, NULL);
+		while (nbSample--) {
+			float f = fbuf[nbSample];
 			if (f < -1.0) {
 				f = -1.0;
 			}
 			if (f > 1.0) {
 				f = 1.0;
 			}
-			stream[len] = (int16_t)(f * 32767);
+			for (int32_t iii=0; iii<nbChannels; iii++) {
+				bufferInterlace[nbSample*nbChannels+iii] = (int16_t)(f * 32767);
+			}
 		}
-	} else {
-		memset(stream, 0, len*sizeof(int16_t));
 	}
 }
 
@@ -594,7 +594,7 @@ bool ExportWAV(char* filename)
 	file_sampleswritten=0;
 	filesample=0.0f;
 	fileacc=0;
-	PlaySample();
+	generator::PlaySample();
 	while(playing_sample) {
 		SynthSample(256, NULL, foutput);
 	}
@@ -615,7 +615,7 @@ bool ExportWAV(char* filename)
 
 
 // pickup/coin
-void GenerateBasicPickUpCoin(void)
+void generator::GenerateBasicPickUpCoin(void)
 {
 	ResetParams();
 	p_base_freq=0.4f+frnd(0.5f);
@@ -631,7 +631,7 @@ void GenerateBasicPickUpCoin(void)
 }
 
 
-void GenerateBasicLaserShoot(void)
+void generator::GenerateBasicLaserShoot(void)
 {
 	ResetParams();
 	wave_type=rnd(2);
@@ -673,7 +673,7 @@ void GenerateBasicLaserShoot(void)
 }
 
 
-void GenerateBasicExplosion(void)
+void generator::GenerateBasicExplosion(void)
 {
 	ResetParams();
 	wave_type=3;
@@ -711,7 +711,7 @@ void GenerateBasicExplosion(void)
 }
 
 
-void GenerateBasicPowerUp(void)
+void generator::GenerateBasicPowerUp(void)
 {
 	ResetParams();
 	if(rnd(1)) {
@@ -738,7 +738,7 @@ void GenerateBasicPowerUp(void)
 }
 
 
-void GenerateBasicHitHurt(void)
+void generator::GenerateBasicHitHurt(void)
 {
 	ResetParams();
 	wave_type=rnd(2);
@@ -760,7 +760,7 @@ void GenerateBasicHitHurt(void)
 }
 
 
-void GenerateBasicJump(void)
+void generator::GenerateBasicJump(void)
 {
 	ResetParams();
 	wave_type=0;
@@ -780,7 +780,7 @@ void GenerateBasicJump(void)
 }
 
 
-void GenerateBasicBlipSelect(void)
+void generator::GenerateBasicBlipSelect(void)
 {
 	ResetParams();
 	wave_type=rnd(1);
@@ -795,7 +795,7 @@ void GenerateBasicBlipSelect(void)
 	PlaySample();
 }
 
-void GenerateBasicRandom(void)
+void generator::GenerateBasicRandom(void)
 {
 	p_base_freq=pow(frnd(2.0f)-1.0f, 2.0f);
 	if(rnd(1)) {
@@ -840,7 +840,7 @@ void GenerateBasicRandom(void)
 }
 
 
-void GenerateBasicMutate(void)
+void generator::GenerateBasicMutate(void)
 {
 	if(rnd(1)) p_base_freq+=frnd(0.1f)-0.05f;
 //		if(rnd(1)) p_freq_limit+=frnd(0.1f)-0.05f;
@@ -867,4 +867,313 @@ void GenerateBasicMutate(void)
 	if(rnd(1)) p_arp_mod+=frnd(0.1f)-0.05f;
 	
 	PlaySample();
-}
\ No newline at end of file
+}
+
+
+
+
+void generator::SetWaveType(int32_t newVal)
+{
+	wave_type = newVal;
+}
+
+int32_t generator::GetWaveType(void)
+{
+	return wave_type;
+}
+
+void generator::SetBaseFreq(float newVal)
+{
+	p_base_freq = newVal;
+}
+
+float generator::GetBaseFreq(void)
+{
+	return p_base_freq;
+}
+
+void generator::SetFreqLimit(float newVal)
+{
+	p_freq_limit = newVal;
+}
+
+float generator::GetFreqLimit(void)
+{
+	return p_freq_limit;
+}
+
+
+void generator::SetFreqRamp(float newVal)
+{
+	p_freq_ramp = newVal;
+}
+
+float generator::GetFreqRamp(void)
+{
+	return p_freq_ramp;
+}
+
+
+void generator::SetFreqDRamp(float newVal)
+{
+	p_freq_dramp = newVal;
+}
+
+float generator::GetFreqDRamp(void)
+{
+	return p_freq_dramp;
+}
+
+
+void generator::SetDuty(float newVal)
+{
+	p_duty = newVal;
+}
+
+float generator::GetDuty(void)
+{
+	return p_duty;
+}
+
+
+void generator::SetDutyRamp(float newVal)
+{
+	p_duty_ramp = newVal;
+}
+
+float generator::GetDutyRamp(void)
+{
+	return p_duty_ramp;
+}
+
+
+
+void generator::SetVibStrength(float newVal)
+{
+	p_vib_strength = newVal;
+}
+
+float generator::GetVibStrength(void)
+{
+	return p_vib_strength;
+}
+
+
+void generator::SetVibSpeed(float newVal)
+{
+	p_vib_speed = newVal;
+}
+
+float generator::GetVibSpeed(void)
+{
+	return p_vib_speed;
+}
+
+
+void generator::SetVibDelay(float newVal)
+{
+	p_vib_delay = newVal;
+}
+
+float generator::GetVibDelay(void)
+{
+	return p_vib_delay;
+}
+
+
+
+void generator::SetEnvAttack(float newVal)
+{
+	p_env_attack = newVal;
+}
+
+float generator::GetEnvAttack(void)
+{
+	return p_env_attack;
+}
+
+
+void generator::SetEnvSustain(float newVal)
+{
+	p_env_sustain = newVal;
+}
+
+float generator::GetEnvSustain(void)
+{
+	return p_env_sustain;
+}
+
+
+void generator::SetEnvDecay(float newVal)
+{
+	p_env_decay = newVal;
+}
+
+float generator::GetEnvDecay(void)
+{
+	return p_env_decay;
+}
+
+
+void generator::SetEnvPunch(float newVal)
+{
+	p_env_punch = newVal;
+}
+
+float generator::GetEnvPunch(void)
+{
+	return p_env_punch;
+}
+
+
+
+void generator::SetFilterOn(bool newVal)
+{
+	filter_on = newVal;
+}
+
+bool generator::GetFilterOn(void)
+{
+	return filter_on;
+}
+
+
+void generator::SetLPFResonance(float newVal)
+{
+	p_lpf_resonance = newVal;
+}
+
+float generator::GetLPFResonance(void)
+{
+	return p_lpf_resonance;
+}
+
+
+void generator::SetLPFFreq(float newVal)
+{
+	p_lpf_freq = newVal;
+}
+
+float generator::GetLPFFreq(void)
+{
+	return p_lpf_freq;
+}
+
+
+void generator::SetLPFRamp(float newVal)
+{
+	p_lpf_ramp = newVal;
+}
+
+float generator::GetLPFRamp(void)
+{
+	return p_lpf_ramp;
+}
+
+
+void generator::SetHPFFreq(float newVal)
+{
+	p_hpf_freq = newVal;
+}
+
+float generator::GetHPFFreq(void)
+{
+	return p_hpf_freq;
+}
+
+
+void generator::SetHPFRamp(float newVal)
+{
+	p_hpf_ramp = newVal;
+}
+
+float generator::GetHPFRamp(void)
+{
+	return p_hpf_ramp;
+}
+
+
+
+void generator::SetPhaseOffset(float newVal)
+{
+	p_pha_offset = newVal;
+}
+
+float generator::GetPhaseOffset(void)
+{
+	return p_pha_offset;
+}
+
+
+void generator::SetPhaseRamp(float newVal)
+{
+	p_pha_ramp = newVal;
+}
+
+float generator::GetPhaseRamp(void)
+{
+	return p_pha_ramp;
+}
+
+
+
+void generator::SetRepeatSpeed(float newVal)
+{
+	p_repeat_speed = newVal;
+}
+
+float generator::GetRepeatSpeed(void)
+{
+	return p_repeat_speed;
+}
+
+
+
+void generator::SetArpSpeed(float newVal)
+{
+	p_arp_speed = newVal;
+}
+
+float generator::GetArpSpeed(void)
+{
+	return p_arp_speed;
+}
+
+
+void generator::SetArpMod(float newVal)
+{
+	p_arp_mod = newVal;
+}
+
+float generator::GetArpMod(void)
+{
+	return p_arp_mod;
+}
+
+
+void generator::SetMasterVolume(float newVal)
+{
+	master_vol = newVal;
+}
+
+float generator::GetMasterVolume(void)
+{
+	return master_vol;
+}
+
+
+void generator::SetSoundVolume(float newVal)
+{
+	sound_vol = newVal;
+}
+
+float generator::GetSoundVolume(void)
+{
+	return sound_vol;
+}
+
+
+
+
+
+
diff --git a/jni/appl/generator.h b/jni/appl/generator.h
index 1adee55..322fab9 100644
--- a/jni/appl/generator.h
+++ b/jni/appl/generator.h
@@ -27,7 +27,73 @@
 #define __GENERATOR_H__
 
 namespace generator {
+	void PlaySample(void);
 	
+	void GenerateAudio(int16_t * bufferInterlace, int32_t nbSample, int32_t nbChannels);
+	void GenerateBasicPickUpCoin(void);
+	void GenerateBasicLaserShoot(void);
+	void GenerateBasicExplosion(void);
+	void GenerateBasicPowerUp(void);
+	void GenerateBasicHitHurt(void);
+	void GenerateBasicJump(void);
+	void GenerateBasicBlipSelect(void);
+	void GenerateBasicRandom(void);
+	void GenerateBasicMutate(void);
+	void    SetWaveType(int32_t newVal);
+	int32_t GetWaveType(void);
+	void  SetBaseFreq(float newVal);
+	float GetBaseFreq(void);
+	void  SetFreqLimit(float newVal);
+	float GetFreqLimit(void);
+	void  SetFreqRamp(float newVal);
+	float GetFreqRamp(void);
+	void  SetFreqDRamp(float newVal);
+	float GetFreqDRamp(void);
+	void  SetDuty(float newVal);
+	float GetDuty(void);
+	void  SetDutyRamp(float newVal);
+	float GetDutyRamp(void);
+	void  SetVibStrength(float newVal);
+	float GetVibStrength(void);
+	void  SetVibSpeed(float newVal);
+	float GetVibSpeed(void);
+	void  SetVibDelay(float newVal);
+	float GetVibDelay(void);
+	void  SetEnvAttack(float newVal);
+	float GetEnvAttack(void);
+	void  SetEnvSustain(float newVal);
+	float GetEnvSustain(void);
+	void  SetEnvDecay(float newVal);
+	float GetEnvDecay(void);
+	void  SetEnvPunch(float newVal);
+	float GetEnvPunch(void);
+	void  SetFilterOn(bool newVal);
+	bool  GetFilterOn(void);
+	void  SetLPFResonance(float newVal);
+	float GetLPFResonance(void);
+	void  SetLPFFreq(float newVal);
+	float GetLPFFreq(void);
+	void  SetLPFRamp(float newVal);
+	float GetLPFRamp(void);
+	void  SetHPFFreq(float newVal);
+	float GetHPFFreq(void);
+	void  SetHPFRamp(float newVal);
+	float GetHPFRamp(void);
+	void  SetPhaseOffset(float newVal);
+	float GetPhaseOffset(void);
+	void  SetPhaseRamp(float newVal);
+	float GetPhaseRamp(void);
+	void  SetRepeatSpeed(float newVal);
+	float GetRepeatSpeed(void);
+	void  SetArpSpeed(float newVal);
+	float GetArpSpeed(void);
+	void  SetArpMod(float newVal);
+	float GetArpMod(void);
+	void  SetMasterVolume(float newVal);
+	float GetMasterVolume(void);
+	void  SetSoundVolume(float newVal);
+	float GetSoundVolume(void);
+
 };
 
 #endif
diff --git a/jni/appl/init.cpp b/jni/appl/init.cpp
index c3ad8c3..8fa15ba 100644
--- a/jni/appl/init.cpp
+++ b/jni/appl/init.cpp
@@ -34,6 +34,8 @@
 #include <Gui/MainWindows.h>
 #include <unistd.h>
 #include <globalMsg.h>
+#include <ewol/Audio/audio.h>
+#include <appl/generator.h>
 
 MainWindows * basicWindows = NULL;
 
@@ -76,7 +78,11 @@ void APP_Init(void)
 	}
 	// create the specific windows
 	ewol::DisplayWindows(basicWindows);
-	
+	// set basic random sound
+	generator::GenerateBasicRandom();
+	// initialize output audio :
+	ewol::audio::Init();
+	ewol::audio::AddCallbackOutput(&generator::GenerateAudio);
 	// add files
 	APPL_INFO("show list of files : ");