-Refactoring Looper into LooperClip

src/avtk/avtk_clip_selector.h

@@ -27,7 +27,6 @@
 
 #include <string>
 
-#include "../looper.hxx"
 #include "../gclipselectoraction.hxx"
 
 #include "../worker.hxx"
@@ -126,8 +125,9 @@ class ClipSelector : public Fl_Button
     /** converts the Looper::State into the UI represnted ClipSelector state.
      * It puts some of the data into clips[], and stores unique state into the class.
     **/
-    void setState( int clipNum, Looper::State s )
+    void setState( int clipNum, int )
     {
+      /*
       switch(s)
       {
         case Looper::STATE_PLAYING:
@@ -162,6 +162,7 @@ class ClipSelector : public Fl_Button
             printf("clipSelector setState() clip %i = CLIP_QUEUED\n", clipNum);
             break;
       }
+      */
       redraw();
     }
     
@@ -353,13 +354,16 @@ class ClipSelector : public Fl_Button
               }
               else if ( strcmp(m->label(), "Record") == 0 )
               {
+                /*
                 //recordingClip = clipNum;
                 EventLooperState e = EventLooperState( ID, clipNum, Looper::STATE_RECORD_QUEUED);
                 writeToDspRingbuffer( &e );
+                */
               }
             }
             else
             {
+              /*
               // decide action to take based on current state of clip
               if ( clips[clipNum].queued() )
               {
@@ -384,7 +388,7 @@ class ClipSelector : public Fl_Button
               {
                 playingClip = -1;
               }
-              */
+              *
               else if ( clips[clipNum].loaded() )
               {
                 EventLooperState e = EventLooperState( ID, clipNum, Looper::STATE_PLAY_QUEUED);
@@ -400,6 +404,7 @@ class ClipSelector : public Fl_Button
               {
                 printf("avtk clipSelector handle click: no state triggered");
               }
+              */
               
               /*
               switch( clips[clipNum].state )

src/config.hxx

@@ -4,5 +4,7 @@
 
 #define NTRACKS 8
 
+#define MAX_BUFFER_SIZE 1024
+
 #endif // LUPPP_CONFIG_H
 

src/event.hxx

@@ -111,9 +111,10 @@ class EventLooperState : public EventBase
     
     int track;
     int scene;
-    Looper::State state;
+    //Looper::State state;
+    
     EventLooperState(){}
-    EventLooperState(int t, int sc, Looper::State s) : track(t), scene(sc), state(s){}
+    //EventLooperState(int t, int sc, Looper::State s) : track(t), scene(sc), state(s){}
 };
 
 class EventLooperProgress : public EventBase

src/eventhandlerdsp.cxx

@@ -55,7 +55,7 @@ void handleDspEvents()
           if ( availableRead >= sizeof(EventLooperState) ) {
             EventLooperState ev;
             jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventLooperState) );
-            jack->setLooperState( ev.track, ev.scene, ev.state );
+            //jack->setLooperState( ev.track, ev.scene, ev.state );
           } break; }
         case Event::LOOPER_LOOP_LENGTH: {
           if ( availableRead >= sizeof(EventLooperLoopLength) ) {

src/eventhandlergui.cxx

@@ -50,13 +50,13 @@ void handleGuiEvents()
           if ( availableRead >= sizeof(EventLooperState) ) {
             EventLooperState ev;
             jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperState) );
-            gui->getTrack(ev.track)->getClipSelector()->setState(ev.scene, ev.state);
+            //gui->getTrack(ev.track)->getClipSelector()->setState(ev.scene, ev.state);
             //jack->setLooperState( ev.track, ev.state );
           } break; }
         case Event::LOOPER_LOOP_LENGTH: {
           if ( availableRead >= sizeof(EventLooperLoopLength) ) {
-            EventLooperLoopLength ev;
-            jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperLoopLength) );
+            //EventLooperLoopLength ev;
+            //jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventLooperLoopLength) );
             //jack->setLooperLoopLength( ev.track, ev.scale );
           } break; }
         case Event::LOOPER_PROGRESS: {

src/gtrack.cxx

@@ -9,6 +9,7 @@ extern void luppp_tooltip(std::string s);
 
 void gtrack_button_callback(Fl_Widget *w, void *data)
 {
+  /*
   int track = 0;
   if ( data )
     track = *(int*)data;
@@ -59,4 +60,5 @@ void gtrack_button_callback(Fl_Widget *w, void *data)
   {
     cout << __FILE__ << __LINE__ << " Error: unknown command string" << endl;
   }
+  */
 }

src/jack.hxx

@@ -39,14 +39,16 @@ class Jack
     int getBuffersize();
     int getSamplerate();
     
+    /*
     void setLooperState(int t, int sc, Looper::State s)
     {
       loopers.at(t)->setState(s);
       loopers.at(t)->setScene(sc);
     }
+    */
     void setLooperLoopLength(int t, float l)
     {
-      loopers.at(t)->setLoopLength(l);
+      //loopers.at(t)->setLoopLength(l);
     }
     Looper* getLooper(int t)
     {

src/looper.cxx

@@ -2,6 +2,8 @@
 
 #include "looper.hxx"
 
+#include "config.hxx"
+
 #include "jack.hxx"
 #include "audiobuffer.hxx"
 #include "eventhandler.hxx"
@@ -11,7 +13,6 @@ extern Jack* jack;
 
 Looper::Looper(int t) :
       track(t),
-      state(STATE_STOPPED),
       scene(0),
       fpb(120),
       gain(1.f),
@@ -25,36 +26,29 @@ Looper::Looper(int t) :
       uiUpdateCounter(44100/30)
 {
   // pre-zero the internal sample
-  for(int i = 0; i < 10; i++)
-  {
-    //memset( sample[int(i)][0], 0, SAMPLE_SIZE );
-  }
-  sample = &samples[0][0];
+  tmpRecordBuffer = (float*)malloc( sizeof(float) * MAX_BUFFER_SIZE );
+  memset( tmpRecordBuffer, 0, sizeof(float) * MAX_BUFFER_SIZE );
   
   printf("Looper ID %i\n" , track );
   
+  
   // init faust pitch shift variables
   fSamplingFreq = 44100;
   IOTA = 0;
-  
-  int bufferSize = 1024;
-  
-  for ( int i = 0; i < bufferSize; i++)
+  for ( int i = 0; i < MAX_BUFFER_SIZE; i++)
     tmpBuffer.push_back(0.f);
-  
   for (int i=0; i<65536; i++)
     fVec0[i] = 0;
-  
+  for (int i=0; i<2; i++)
+    fRec0[i] = 0;
   semitoneShift = 0.0f;
   windowSize = 1000;
   crossfadeSize = 1000;
-  
-  for (int i=0; i<2; i++)
-    fRec0[i] = 0;
 }
 
 void Looper::midi(unsigned char* data)
 {
+  /*
   if ( data[0] - 144 == track )
   {
     switch ( data[1] )
@@ -87,19 +81,18 @@ void Looper::midi(unsigned char* data)
         break;
     }
   }
-  
-  
+  */
 }
 
 void Looper::setScene( int sc )
 {
   // update Looper to play different scene
   scene = sc;
-  sample = samples[scene];
+  //sample = samples[scene];
 }
 
-void Looper::setState( State s)
-{
+//void Looper::setState( State s) {
+  /*
   // quantize recording to next bar event
   if ( state == STATE_RECORDING )
   {
@@ -107,10 +100,12 @@ void Looper::setState( State s)
   }
   state = s;
   updateControllers();
-}
+}  */
+
 
 void Looper::updateControllers()
 {
+  /*
   if (state == STATE_RECORD_QUEUED )
   {
     numBeats = 0;
@@ -147,10 +142,12 @@ void Looper::updateControllers()
     EventLooperProgress e(track, 0 );
     writeToGuiRingbuffer( &e );
   }
+  */
 }
 
 void Looper::setSample(int sc, AudioBuffer* ab)
 {
+  /*
   vector<float>& buf = ab->getData();
   if ( buf.size() > SAMPLE_SIZE )
   {
@@ -177,10 +174,12 @@ void Looper::setSample(int sc, AudioBuffer* ab)
     
     //memcpy( &sample[0], &buf[0], buf.size() ); // copy sample data to pre-allocated buffer
   }
+  */
 }
 
 void Looper::process(int nframes, Buffers* buffers)
 {
+  /*
   float* in  = buffers->audio[Buffers::MASTER_INPUT];
   
   // FIXME:
@@ -237,6 +236,7 @@ void Looper::process(int nframes, Buffers* buffers)
 
 void Looper::bar()
 {
+  /*
   int barTmpState = state;
   // queue stop recording -> stop recording, now calculate beats in loop
   if ( stopRecordOnBar )
@@ -290,32 +290,21 @@ void Looper::bar()
   {
     updateControllers();
   }
+  */
 }
 
 void Looper::beat()
 {
+  /*
   if (state == STATE_RECORDING || stopRecordOnBar )
   {
     numBeats++;
   }
   playedBeats++;
+  * 
+  */
 }
 
-void Looper::setLoopLength(float l)
-{
-  numBeats = l * 4;
-  
-  // smallest loop = 4 beats
-  if ( numBeats < 4 )
-    numBeats = 4;
-  
-  char buffer [50];
-  sprintf (buffer, "Looper %i loop lenght = %i", track, numBeats );
-  EventGuiPrint e( buffer );
-  writeToGuiRingbuffer( &e );
-}
-
-
 void Looper::pitchShift(int count, float* input, float* output)
 {
   float   fSlow0 = windowSize;

src/looper.hxx

@@ -9,8 +9,6 @@
 #include "audioprocessor.hxx"
 #include "observer/observer.hxx"
 
-#define SAMPLE_SIZE 44100*20
-
 class AudioBuffer;
 
 using namespace std;
@@ -28,26 +26,10 @@ using namespace std;
  * pre-allocated buffers while it is still quite simple.
  * 
  * Each clip has its properties like length and bars/beats, so the Looper knows
- * to dynamically stretch / process the audio appropriately.
+ * to dynamically stretch / process the audio appropriately. Controllers and the
+ * UI are updated from this data.
 **/
 class LooperClip
-{
-  public:
-    LooperClip()
-    {
-      buffer = 0;
-    }
-    
-    void setRequestedBuffer( AudioBuffer* ab )
-    {
-      
-    }
-  
-  private:
-    AudioBuffer* buffer;
-};
-
-class Looper : public Observer, public AudioProcessor
 {
   public:
     enum State {
@@ -59,6 +41,43 @@ class Looper : public Observer, public AudioProcessor
       STATE_STOP_QUEUED,
     };
     
+    LooperClip()
+    {
+      _loaded = false;
+      _buffer = 0;
+      _state  = STATE_STOPPED;
+    }
+    
+    void setRequestedBuffer( AudioBuffer* ab )
+    {
+      // here we copy the data from the existing buffer into the new one,
+      // and send the old one away to be deallocated.
+    }
+    
+    bool  loaded(){return _loaded;}
+    State state(){return _state;}
+    
+    // Set
+    void clipLength(int l){_clipLenght = l;}
+  
+  private:
+    bool _loaded;
+    State _state;
+    AudioBuffer* _buffer;
+    
+    // Clip Properties
+    int _clipLenght;
+};
+
+/** Looper
+ * The class which reads from LooperClips, and reads/ writes the data using the
+ * track buffer. Scene recording / playback is the essential functionality here.
+**/
+class Looper : public Observer, public AudioProcessor
+{
+  public:
+
+    
     Looper(int t);
     
     void setSample(int c, AudioBuffer* ab);
@@ -71,15 +90,15 @@ class Looper : public Observer, public AudioProcessor
     void setFpb(int f) { fpb = f; }
     
     void setScene( int sc );
-    void setState( State s);
-    void setLoopLength(float l);
+    //void setState( State s);
+    
     
     void updateControllers();
     void process(int nframes, Buffers* buffers);
   
   private:
     const int track;
-    State state;
+    //State state;
     int scene;
     
     int fpb;
@@ -91,7 +110,7 @@ class Looper : public Observer, public AudioProcessor
     int endPoint, lastWrittenSampleIndex;
     float playPoint;
     float* sample;
-    float samples[10][SAMPLE_SIZE];
+    float* tmpRecordBuffer;
     
     // Pitch Shifting
     void pitchShift(int count, float* input, float* output);