Rename interpretor to interpreter.
[Faustine.git] / interpreter / preprocessor / faust-0.9.47mr3 / architecture / unsupported-arch / oss-wx.cpp
diff --git a/interpreter/preprocessor/faust-0.9.47mr3/architecture/unsupported-arch/oss-wx.cpp b/interpreter/preprocessor/faust-0.9.47mr3/architecture/unsupported-arch/oss-wx.cpp
new file mode 100644 (file)
index 0000000..c56aef5
--- /dev/null
@@ -0,0 +1,974 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <limits.h>
+#include <math.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/soundcard.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <assert.h>
+#include <pthread.h> 
+#include <sys/wait.h>
+#include <list>
+#include <vector>
+#include <stack>
+
+#include "wx/wx.h"
+#include "wx/statbox.h"
+#include "wx/notebook.h"
+#include "wx/spinctrl.h"
+
+// g++ -O3 -lm `wx-config --cflags --libs` ex2.cpp
+
+using namespace std ;
+       
+#ifdef __GNUC__
+
+//-------------------------------------------------------------------
+// Generic min and max using gcc extensions
+//-------------------------------------------------------------------
+
+#define max(x,y) ((x)>?(y))
+#define min(x,y) ((x)<?(y))
+
+//abs(x) should be already predefined
+
+#else
+
+//-------------------------------------------------------------------
+// Generic min and max using c++ inline
+//-------------------------------------------------------------------
+
+inline int             max (unsigned int a, unsigned int b) { return (a>b) ? a : b; }
+inline int             max (int a, int b)                      { return (a>b) ? a : b; }
+
+inline long    max (long a, long b)            { return (a>b) ? a : b; }
+inline long    max (int a, long b)             { return (a>b) ? a : b; }
+inline long    max (long a, int b)             { return (a>b) ? a : b; }
+
+inline float   max (float a, float b)          { return (a>b) ? a : b; }
+inline float   max (int a, float b)            { return (a>b) ? a : b; }
+inline float   max (float a, int b)            { return (a>b) ? a : b; }
+inline float   max (long a, float b)           { return (a>b) ? a : b; }
+inline float   max (float a, long b)           { return (a>b) ? a : b; }
+
+inline double  max (double a, double b)        { return (a>b) ? a : b; }
+inline double  max (int a, double b)           { return (a>b) ? a : b; }
+inline double  max (double a, int b)           { return (a>b) ? a : b; }
+inline double  max (long a, double b)          { return (a>b) ? a : b; }
+inline double  max (double a, long b)          { return (a>b) ? a : b; }
+inline double  max (float a, double b)         { return (a>b) ? a : b; }
+inline double  max (double a, float b)         { return (a>b) ? a : b; }
+
+
+inline int             min (int a, int b)                      { return (a<b) ? a : b; }
+
+inline long    min (long a, long b)            { return (a<b) ? a : b; }
+inline long    min (int a, long b)             { return (a<b) ? a : b; }
+inline long    min (long a, int b)             { return (a<b) ? a : b; }
+
+inline float   min (float a, float b)          { return (a<b) ? a : b; }
+inline float   min (int a, float b)            { return (a<b) ? a : b; }
+inline float   min (float a, int b)            { return (a<b) ? a : b; }
+inline float   min (long a, float b)           { return (a<b) ? a : b; }
+inline float   min (float a, long b)           { return (a<b) ? a : b; }
+
+inline double  min (double a, double b)        { return (a<b) ? a : b; }
+inline double  min (int a, double b)           { return (a<b) ? a : b; }
+inline double  min (double a, int b)           { return (a<b) ? a : b; }
+inline double  min (long a, double b)          { return (a<b) ? a : b; }
+inline double  min (double a, long b)          { return (a<b) ? a : b; }
+inline double  min (float a, double b)         { return (a<b) ? a : b; }
+inline double  min (double a, float b)         { return (a<b) ? a : b; }
+               
+#endif
+
+// abs is now predefined
+//template<typename T> T abs (T a)                     { return (a<T(0)) ? -a : a; }
+
+
+inline int             lsr (int x, int n)                      { return int(((unsigned int)x) >> n); }
+
+inline int             int2pow2 (int x)        { int r=0; while ((1<<r)<x) r++; return r; }
+
+
+void setRealtimePriority ()
+{
+        struct passwd *         pw;
+        int                     err;
+        uid_t                   uid;
+        struct sched_param      param;  
+        
+        uid = getuid ();
+        pw = getpwnam ("root");
+        setuid (pw->pw_uid); 
+        param.sched_priority = 50; /* 0 to 99  */
+        err = sched_setscheduler(0, SCHED_RR,  &param); 
+        setuid (uid);
+        if (err != -1) {
+                printf("OK : Running with realtime priority\n");
+        } else {
+                printf("Warning : running with non-realtime priority\n");
+        }
+        
+}
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                              VECTOR INTRINSICS
+
+*******************************************************************************
+*******************************************************************************/
+
+
+<<includeIntrinsic>>
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                               AUDIO INTERFACE
+
+*******************************************************************************
+*******************************************************************************/
+
+enum { kRead = 1, kWrite = 2, kReadWrite = 3 };
+
+// AudioParam : a convenient class to pass parameters to the AudioInterface
+struct AudioParam
+{
+       const char*     fDeviceName;                                    
+       int                     fSamplingFrequency;
+       int                     fRWMode;
+       int                     fSampleFormat;
+       int                     fFramesPerBuffer; 
+       
+       AudioParam() : 
+               fDeviceName("/dev/dsp"),
+               fSamplingFrequency(44100),
+               fRWMode(kReadWrite),
+               fSampleFormat(AFMT_S16_LE),
+               fFramesPerBuffer(512)
+       {}
+       
+       AudioParam&     device(const char * n)  { fDeviceName = n;                      return *this; }
+       AudioParam&     frequency(int f)                { fSamplingFrequency = f;       return *this; }
+       AudioParam&     mode(int m)                             { fRWMode = m;                          return *this; }
+       AudioParam&     format(int f)                   { fSampleFormat = f;            return *this; }
+       AudioParam&     buffering(int fpb)              { fFramesPerBuffer = fpb;       return *this; }
+};
+
+class AudioInterface 
+{
+ private :
+       AudioParam      fParam;
+       int                     fOutputDevice ;         
+       int                     fInputDevice ;                  
+       int                     fNumOfOutputChannels;
+       int                     fNumOfInputChannels;
+       int                     fInputBufferSize;
+       short*          fInputBuffer;
+       int                     fOutputBufferSize;
+       short*          fOutputBuffer;
+       
+
+ public :
+       const char*     getDeviceName()                         { return fParam.fDeviceName;    }
+       int             getSamplingFrequency()                  { return fParam.fSamplingFrequency;     }
+       int             getRWMode()                                             { return fParam.fRWMode;                }
+       int             getSampleFormat()                               { return fParam.fSampleFormat;          }
+       int             getFramesPerBuffer()                    { return fParam.fFramesPerBuffer;       }
+       
+       int             getNumOutputs()                                 { return fNumOfOutputChannels;  }
+       int             getNumInputs()                                  { return fNumOfInputChannels;   }
+       int             getInputBufferSize()                    { return fInputBufferSize;              }
+       int             getOutputBufferSize()                   { return fOutputBufferSize;     }
+
+       
+       AudioInterface(const AudioParam& ap = AudioParam()) : fParam(ap)
+       {
+               fOutputDevice                   = -1;
+               fInputDevice                    = -1;
+               fNumOfOutputChannels    = 0;
+               fNumOfInputChannels             = 0;
+               fInputBufferSize                = 0;
+               fInputBuffer                    = 0;
+               fOutputBufferSize               = 0;
+               fOutputBuffer                   = 0;
+       }
+
+
+       void openInputAudioDev ()
+       {
+               int     err = 0;
+
+               assert( (fInputDevice = ::open(fParam.fDeviceName, O_RDONLY, 0))                > 0); 
+               assert( ioctl(fInputDevice, SNDCTL_DSP_SETFMT, &fParam.fSampleFormat)           != -1); 
+               assert( ioctl(fInputDevice, SNDCTL_DSP_CHANNELS, &fNumOfInputChannels) != -1);
+               assert( ioctl(fInputDevice, SNDCTL_DSP_SPEED, &fParam.fSamplingFrequency)       != -1);
+
+               int gFragFormat = (1 << 16) + int2pow2(fParam.fFramesPerBuffer * 2 * fNumOfInputChannels);      
+               assert( ioctl(fInputDevice, SNDCTL_DSP_SETFRAGMENT, &gFragFormat)               != -1); 
+
+               fInputBufferSize = 0;
+               assert( ioctl(fInputDevice, SNDCTL_DSP_GETBLKSIZE, &fInputBufferSize)  != -1);
+               assert( fInputBufferSize == fParam.fFramesPerBuffer * 2 * fNumOfInputChannels );
+
+               fInputBuffer = (short*) calloc(fInputBufferSize, 1);
+       }
+
+
+       void openOutputAudioDev ()
+       {
+               int     err = 0;
+
+               assert( (fOutputDevice = ::open(fParam.fDeviceName, O_WRONLY, 0))               >  0);  
+               assert( ioctl(fOutputDevice, SNDCTL_DSP_SETFMT, &fParam.fSampleFormat)          != -1); 
+               assert( ioctl(fOutputDevice, SNDCTL_DSP_CHANNELS,&fNumOfOutputChannels)!= -1);
+               assert( ioctl(fOutputDevice, SNDCTL_DSP_SPEED, &fParam.fSamplingFrequency)      != -1);
+
+               int gFragFormat = (1 << 16) + int2pow2(fParam.fFramesPerBuffer * 2 * fNumOfOutputChannels);     
+               assert( ioctl(fOutputDevice, SNDCTL_DSP_SETFRAGMENT, &gFragFormat)      != -1); 
+
+               fOutputBufferSize = 0;
+               assert( ioctl(fOutputDevice, SNDCTL_DSP_GETBLKSIZE, &fOutputBufferSize) != -1);
+               assert( fOutputBufferSize == fParam.fFramesPerBuffer * 2 * fNumOfOutputChannels );
+
+               fOutputBuffer = (short*)calloc(fOutputBufferSize, 1);
+       }
+
+
+       void open()
+       {
+               if (fParam.fRWMode & kRead) openInputAudioDev();
+               if (fParam.fRWMode & kWrite) openOutputAudioDev();
+       }
+
+
+       void close()
+       {
+               if (fParam.fRWMode & kRead) ::close(fOutputDevice);
+               if (fParam.fRWMode & kWrite) ::close(fInputDevice);
+       }
+
+
+       
+       //----------------------------------------------------------------
+       //  allocChanGroup() : allocate a group of audio buffers
+       //              chan[]  : is an array of buffer pointers
+       //              n               : is the number of buffers to allocate
+       //              len     : is the length of each buffer
+       //----------------------------------------------------------------
+       
+       void allocChanGroup(float* chan[], int n, int len)
+       {
+               for (int c = 0; c < n; c++) {
+                       chan[c] = (float*) calloc (len, sizeof(float));
+               }
+       }
+
+       
+       //----------------------------------------------------------------
+       //  info() : print information on the audio device
+       //----------------------------------------------------------------
+
+       void info()
+       {
+               audio_buf_info  info;
+               int                             err = 0;
+               int                     cap;
+               printf("Audio Interface Description :\n");
+               printf("Sampling Frequency : %d, Sample Format : %d, Mode : %d\n", getSamplingFrequency(), getSampleFormat(), getRWMode());
+               
+               if (getRWMode() & kWrite) {
+                       assert( ioctl(fOutputDevice, SNDCTL_DSP_GETOSPACE, &info) != -1);
+                       printf("output space info: fragments=%d, fragstotal=%d, fragsize=%d, bytes=%d\n", info.fragments, info.fragstotal,
+                               info.fragsize, info.bytes);
+               
+                       assert( ioctl(fOutputDevice,SNDCTL_DSP_GETCAPS, &cap) != -1); 
+                       printf("Output capabilities - %d channels : ", fNumOfOutputChannels);
+       
+                       if (cap &  DSP_CAP_DUPLEX)      printf(" DSP_CAP_DUPLEX");
+                       if (cap &  DSP_CAP_REALTIME) printf(" DSP_CAP_REALTIME");
+                       if (cap &  DSP_CAP_DUPLEX)      printf(" DSP_CAP_DUPLEX");
+                       if (cap &  DSP_CAP_BATCH)       printf(" DSP_CAP_BATCH");
+                       if (cap &  DSP_CAP_COPROC)      printf(" DSP_CAP_COPROC");
+                       if (cap &  DSP_CAP_TRIGGER) printf(" DSP_CAP_TRIGGER");
+                       if (cap &  DSP_CAP_MMAP)        printf(" DSP_CAP_MMAP");
+                       if (cap &  DSP_CAP_MULTI)       printf(" DSP_CAP_MULTI");
+                       if (cap &  DSP_CAP_BIND)        printf(" DSP_CAP_BIND");
+                       printf("\n");
+                       printf("Output block size = %d\n", fOutputBufferSize);
+               }       
+
+               
+               if (getRWMode() & kRead) {
+                       assert( ioctl(fInputDevice, SNDCTL_DSP_GETISPACE, &info) != -1);
+                       printf("input space info: fragments=%d, fragstotal=%d, fragsize=%d, bytes=%d\n", info.fragments, info.fragstotal,
+                               info.fragsize, info.bytes);
+
+
+                       assert( ioctl(fInputDevice,SNDCTL_DSP_GETCAPS, &cap) != -1); 
+                       printf("Input capabilities - %d channels : ", fNumOfInputChannels);
+                       if (cap &  DSP_CAP_DUPLEX)      printf(" DSP_CAP_DUPLEX");
+                       if (cap &  DSP_CAP_REALTIME) printf(" DSP_CAP_REALTIME");
+                       if (cap &  DSP_CAP_DUPLEX)      printf(" DSP_CAP_DUPLEX");
+                       if (cap &  DSP_CAP_BATCH)       printf(" DSP_CAP_BATCH");
+                       if (cap &  DSP_CAP_COPROC)      printf(" DSP_CAP_COPROC");
+                       if (cap &  DSP_CAP_TRIGGER) printf(" DSP_CAP_TRIGGER");
+                       if (cap &  DSP_CAP_MMAP)        printf(" DSP_CAP_MMAP");
+                       if (cap &  DSP_CAP_MULTI)       printf(" DSP_CAP_MULTI");
+                       if (cap &  DSP_CAP_BIND)        printf(" DSP_CAP_BIND");
+                       printf("\n");
+                       printf("Input block size = %d\n", fInputBufferSize);
+               }
+       }
+
+
+       //----------------------------------------------------------------
+       //  read() : read 
+       //----------------------------------------------------------------
+
+       bool read(int frames, float* channel[])
+       {
+               int     bytes = frames * 2 * fNumOfInputChannels; assert(bytes <= fInputBufferSize);
+               int             count = ::read(fInputDevice, fInputBuffer, bytes);
+               assert (bytes == count);
+
+               for (int s = 0; s < frames; s++) {
+                       for (int c = 0; c < fNumOfInputChannels; c++) {
+                               channel[c][s] = float(fInputBuffer[c + s*fNumOfInputChannels])*(1.0/float(SHRT_MAX));
+                       }
+               }
+               return bytes == count;
+       }       
+
+
+       bool write(int frames, float* channel[])
+       {
+               int     bytes = frames * 2 * fNumOfOutputChannels; assert(bytes <= fOutputBufferSize);
+
+               for (int f = 0; f < frames; f++) {
+                       for (int c = 0; c < fNumOfOutputChannels; c++) {
+                               float x = channel[c][f];
+                               fOutputBuffer[c + f*fNumOfOutputChannels] = short( max(min(x,1.0),-1.0) * float(SHRT_MAX) ) ;
+                       }
+               }
+
+               int count = ::write(fOutputDevice, fOutputBuffer, bytes);
+               assert (bytes == count);
+
+               return bytes == count;
+       } 
+
+
+       
+};
+
+
+
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                               USER INTERFACE
+
+*******************************************************************************
+*******************************************************************************/
+
+class UI
+{
+       bool    fStopped;
+public:
+               
+       UI() : fStopped(false) {}
+       virtual ~UI() {}
+       
+       virtual void addButton(char* label, float* zone) = 0;
+       virtual void addToggleButton(char* label, float* zone) = 0;
+       virtual void addCheckButton(char* label, float* zone) = 0;
+       virtual void addVerticalSlider(char* label, float* zone, float init, float min, float max, float step) = 0;
+       virtual void addHorizontalSlider(char* label, float* zone, float init, float min, float max, float step) = 0;
+       virtual void addNumEntry(char* label, float* zone, float init, float min, float max, float step) = 0;
+       
+       virtual void openFrameBox(char* label) = 0;
+       virtual void openTabBox(char* label) = 0;
+       virtual void openHorizontalBox(char* label) = 0;
+       virtual void openVerticalBox(char* label) = 0;
+       virtual void closeBox() = 0;
+       
+       virtual void run() {};
+       
+       void stop()             { fStopped = true; }
+       bool stopped()  { return fStopped; }
+};
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                               DSP
+
+*******************************************************************************
+*******************************************************************************/
+
+
+//---------------------------------------------------
+// tableaux de buffers initialis�s par allocChannels
+//---------------------------------------------------
+
+float*         gInChannel[256];
+float*         gOutChannel[256];
+
+void allocChannels (int size, int numInChan, int numOutChan) 
+{
+       
+       assert (numInChan < 256);
+       assert (numOutChan < 256);
+       
+       
+       for (int i = 0; i < numInChan; i++) {
+               gInChannel[i] = (float*) calloc (size, sizeof(float));
+               for (int j = 0; j < size; j++) {
+                       gInChannel[i][j] = 0.0;
+               }
+       }
+       
+       for (int i = 0; i < numOutChan; i++) {
+               gOutChannel[i] = (float*) calloc (size, sizeof(float));
+               for (int j = 0; j < size; j++) {
+                       gOutChannel[i][j] = 0.0;
+               }
+       }
+}
+
+
+
+//----------------------------------------------------------------
+//  d�finition du processeur de signal
+//----------------------------------------------------------------
+                       
+class dsp {
+ protected:
+       int fSamplingFreq;
+ public:
+       dsp() {}
+       virtual int getNumInputs()                                                                              = 0;
+       virtual int getNumOutputs()                                                                     = 0;
+       virtual void buildUserInterface(UI* interface)                                  = 0;
+       virtual void init(int samplingRate)                                                     = 0;
+       virtual void compute(int len, float** inputs, float** outputs)  = 0;
+};
+               
+               
+<<includeclass>>
+               
+                               
+mydsp  DSP;
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                       WXWINDOWS USER INTERFACE
+
+*******************************************************************************
+*******************************************************************************/
+
+
+// les modes d'insertion
+
+#define kNormalState 0
+#define kNotebookState 1
+#define kAutoPageState 2
+
+#define kProp 0
+#define kBorder 5
+#define kFlag wxALL|wxGROW
+
+       
+// faustButton : a wxButton for FAUST. 
+class faustButton : public wxButton
+{
+       float*  fZone;
+  public :
+       faustButton(wxWindow* parent, const wxString& label, float* zone)
+                       : wxButton(parent, -1, label, wxPoint(-1, -1)), fZone(zone)
+       { 
+               *fZone = 0.0;
+       }
+  
+       void clickdown (wxCommandEvent& ev)     { *fZone = 1.0; /*printf("click down : zone (at %p) = %f\n", fZone, *fZone);*/ ev.Skip();}
+       void clickup (wxCommandEvent& ev)       { *fZone = 0.0; /*printf("click up : zone (at %p) = %f\n", fZone, *fZone);*/ ev.Skip(); }
+       
+ private:
+       DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(faustButton, wxButton)
+   EVT_LEFT_DOWN(faustButton::clickdown)
+   EVT_LEFT_UP(faustButton::clickup)
+END_EVENT_TABLE()
+               
+       
+class faustCheckBox : public wxCheckBox
+{
+       float*  fZone;
+  public :
+       faustCheckBox(wxWindow* parent, const wxString& label, float* zone)
+                       : wxCheckBox(parent, -1, label, wxPoint(-1, -1)), fZone(zone)
+       { 
+               *fZone = 0.0;
+       }
+  
+       void toggle (wxCommandEvent& ev)        { 
+               *fZone = (ev.IsChecked()) ? 1.0 : 0.0; 
+               //printf("toogle : zone (at %p) = %f\n", fZone, *fZone); 
+       }
+       
+ private:
+       DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(faustCheckBox, wxCheckBox)
+    EVT_CHECKBOX(-1, faustCheckBox::toggle)
+END_EVENT_TABLE()
+               
+       
+class faustHorizontalSlider : public wxSlider
+{
+       float   fStep;
+       float*  fZone;
+  public :
+       faustHorizontalSlider(wxWindow* parent, float* zone, float init , float min, float max, float step)
+                       : wxSlider(parent, -1, int(init/step), int(min/step), int(max/step), wxDefaultPosition, wxSize(120,30), wxSL_HORIZONTAL), fStep(step), fZone(zone)
+       { 
+               *fZone = init;
+       }
+  
+       void update (wxCommandEvent& ev)        { 
+               *fZone = GetValue()*fStep; 
+               //printf("horizontal slider update : zone (at %p) = %f\n", fZone, *fZone); 
+       }
+       
+ private:
+       DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(faustHorizontalSlider, wxSlider)
+       EVT_SLIDER (-1, faustHorizontalSlider::update)
+END_EVENT_TABLE()
+               
+       
+class faustVerticalSlider : public wxSlider
+{
+       float   fStep;
+       float*  fZone;
+  public :
+       faustVerticalSlider(wxWindow* parent, float* zone, float init , float min, float max, float step)
+                       : wxSlider(parent, -1, int((max+min-init)/step), int(min/step), int(max/step), wxDefaultPosition, wxSize(30,120), wxSL_VERTICAL), fStep(step), fZone(zone)
+       { 
+               *fZone = init;
+       }
+  
+       void update (wxCommandEvent& ev)        { 
+               *fZone = (GetMin()+GetMax()-GetValue())*fStep; 
+               //printf("vertical slider update : zone (at %p) = %f\n", fZone, *fZone); 
+       }
+       
+ private:
+       DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(faustVerticalSlider, wxSlider)
+       EVT_SLIDER (-1, faustVerticalSlider::update)
+END_EVENT_TABLE()
+
+               
+//--------------------------------
+// faustSpinCtrl* b = new faustSpinCtrl(topPanel(), zone, init, min, max, step);
+//                     wxSpinCtrl* b = new wxSpinCtrl( topPanel(), -1, "", wxPoint(200, 160), wxSize(80, -1) );
+//             b->SetRange(int(min),int(max));
+//             b->SetValue(int(init));         
+               
+       
+class faustSpinCtrl : public wxSpinCtrl
+{
+       float   fStep;
+       float*  fZone;
+  public :
+       faustSpinCtrl(wxWindow* parent, float* zone, float init , float min, float max, float step)
+                       : wxSpinCtrl(parent), fStep(step), fZone(zone)
+       { 
+               SetRange(int(min),int(max));
+               SetValue(int(init));
+               *fZone = init;
+       }
+       
+       void update (wxCommandEvent& ev)        { *fZone = GetValue(); printf("spin ctrl update : zone (at %p) = %f\n", fZone, *fZone); }
+       
+ private:
+       DECLARE_EVENT_TABLE()
+};
+
+BEGIN_EVENT_TABLE(faustSpinCtrl, wxSlider)
+       EVT_SPINCTRL (-1, faustSpinCtrl::update)
+END_EVENT_TABLE()
+
+               
+               
+class WXUI : public UI // user interface
+{
+
+       class State 
+       {
+               int                     const fType;
+               wxWindow*       const fPanel;
+               wxSizer*        const fSizer;
+
+        public:
+               State (int t, wxWindow* p, wxSizer* z) : fType(t), fPanel(p), fSizer(z) {}
+               int                     type()  const { return fType; }
+               wxWindow*       panel() const { return fPanel; }
+               wxSizer*        sizer() const { return fSizer; }
+       };
+       
+       stack<State>            lState;
+       wxFrame*                        frame;
+       wxSizer*                        fSizer;
+       
+       // gestion de l'etat courant du constructeur
+       
+       void push (int t, wxWindow* p, wxSizer* z)      
+       { 
+               printf("push %d of %d, %p, %p\n", lState.size(), t, p, z);
+               lState.push(State(t,p,z)); 
+       }
+       
+       int                     topType()       { return lState.top().type();   }
+       wxWindow*       topPanel()      { return lState.top().panel();  }
+       wxSizer*        topSizer()      { return lState.top().sizer();  }
+       
+       void pop ()                                                                     
+       { 
+               printf("pop %d", lState.size()-1);
+               lState.pop();                   
+               printf(" ok\n");
+       }
+                 
+       void openAutoPage(char* label)
+       {
+               if (topType() == kNotebookState) {      
+                                       
+                       if (!label) label = "";
+               
+               wxNotebook*     nb      = (wxNotebook*) topPanel();
+               wxPanel*        p       = new wxPanel( nb, -1 );
+               wxBoxSizer*     z       = new wxBoxSizer( wxVERTICAL );
+                       
+               nb->AddPage(p, label);
+               p->SetAutoLayout(TRUE);
+               p->SetSizer(z);
+                       
+                       push(kAutoPageState, p, z);
+               }
+       }
+       
+       void closeAutoPage()
+       {
+               if (topType() == kAutoPageState) pop(); 
+       }
+       
+       void openOrientedBox(char* label, int orientation) 
+       {
+               openAutoPage(label);
+               
+               wxSizer* z = (label == 0)       ? new wxBoxSizer(orientation) 
+                                                                       : new wxStaticBoxSizer(new wxStaticBox(topPanel(), -1, label), orientation);
+               
+               topSizer()->Add(z, 1, kFlag, kBorder);
+               push(kNormalState, topPanel(), z);
+       }
+       
+ public:
+       
+
+       WXUI(){}
+       
+       virtual ~WXUI() {}
+       
+       void openFrame(wxFrame* f) 
+       {
+               frame = f;
+               fSizer = new wxBoxSizer(wxVERTICAL);
+               frame->SetSizer(fSizer);
+               push(kNormalState, frame, fSizer);
+       }
+               
+       wxFrame* closeFrame()
+       {
+               fSizer->Fit(frame);
+               fSizer->SetSizeHints(frame);
+               return frame;
+       }
+       
+       virtual void openHorizontalBox(char* label) {   openOrientedBox(label, wxHORIZONTAL); }
+       virtual void openVerticalBox(char* label)       {       openOrientedBox(label, wxVERTICAL); }
+       
+       virtual void openTabBox(char* label) 
+       {
+               openAutoPage(label);
+               
+       wxNotebook*                     nb      = new wxNotebook( topPanel(), -1 );
+       wxNotebookSizer*        z       = new wxNotebookSizer( nb );
+               
+               topSizer()->Add(z, 1, kFlag, kBorder);          
+               push(kNotebookState, nb, z);
+       }
+       
+       virtual void closeBox()
+       {
+               pop();
+               closeAutoPage();
+       }
+                               
+       //--------------------------------- les elements ------------------------------------------
+               
+       virtual void addButton(char* label, float* zone) 
+       {
+               openAutoPage(label);
+               faustButton* b = new faustButton(topPanel(), label, zone);
+               topSizer()->Add(b, kProp, kFlag, kBorder);
+               closeAutoPage();
+       }
+       
+       virtual void addCheckButton(char* label, float* zone)  
+       {
+               openAutoPage(label);
+               faustCheckBox* b = new faustCheckBox(topPanel(), label, zone);
+               topSizer()->Add(b, kProp, kFlag, kBorder);
+               closeAutoPage();
+       }
+                       
+       virtual void addVerticalSlider(char* label, float* zone, float init, float min, float max, float step) 
+       {
+               openAutoPage(label);
+               if (label) {
+                       wxSizer* z = new wxStaticBoxSizer(new wxStaticBox(topPanel(), -1, label), wxHORIZONTAL);
+                       topSizer()->Add(z, 1, kFlag, kBorder);
+                       faustVerticalSlider* b = new faustVerticalSlider(topPanel(), zone, init, min, max, step);
+                       b->SetToolTip(label);
+                       z->Add(b, 1, kFlag|wxALIGN_CENTER_VERTICAL, kBorder);
+               } else {
+                       faustVerticalSlider* b = new faustVerticalSlider(topPanel(), zone, init, min, max, step);
+                       topSizer()->Add(b, kProp, kFlag, kBorder);
+               }
+               closeAutoPage();
+       }
+       
+       virtual void addHorizontalSlider(char* label, float* zone, float init, float min, float max, float step) 
+       {
+               openAutoPage(label);
+               if (label) {
+                       wxSizer* z = new wxStaticBoxSizer(new wxStaticBox(topPanel(), -1, label), wxVERTICAL);
+                       topSizer()->Add(z, 1, kFlag, kBorder);
+                       faustHorizontalSlider* b = new faustHorizontalSlider(topPanel(), zone, init, min, max, step);
+                       b->SetToolTip(label);
+                       z->Add(b, 1, kFlag|wxALIGN_CENTER_HORIZONTAL, kBorder);
+               } else {
+                       faustHorizontalSlider* b = new faustHorizontalSlider(topPanel(), zone, init, min, max, step);
+                       topSizer()->Add(b, kProp, kFlag, kBorder);
+               }
+               closeAutoPage();
+       }
+       
+       virtual void addToggleButton(char* label, float* zone) {}       
+       virtual void addNumEntry(char* label, float* zone, float init, float min, float max, float step) 
+       {
+               openAutoPage(label);
+               if (label) {
+                       wxSizer* z = new wxStaticBoxSizer(new wxStaticBox(topPanel(), -1, label), wxVERTICAL);
+                       topSizer()->Add(z, 0, kFlag, kBorder);
+                       faustSpinCtrl* b = new faustSpinCtrl(topPanel(), zone, init, min, max, step);
+//                     wxSpinCtrl* b = new wxSpinCtrl( topPanel(), -1, "", wxPoint(200, 160), wxSize(80, -1) );
+//             b->SetRange(int(min),int(max));
+//             b->SetValue(int(init));
+                       b->SetToolTip(label);
+                       z->Add(b, 0, kFlag, kBorder);
+               } else {
+                       faustSpinCtrl* b = new faustSpinCtrl(topPanel(), zone, init, min, max, step);
+//                     wxSpinCtrl* b = new wxSpinCtrl( topPanel(), -1, "", wxPoint(200, 160), wxSize(80, -1) );
+//             b->SetRange(int(min),int(max));
+//             b->SetValue(int(init));
+                       topSizer()->Add(b, kProp, kFlag, kBorder);
+               }
+               closeAutoPage();
+       }
+       virtual void openFrameBox(char* label) {}
+};
+
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                       WXWINDOWS APPLICATION
+                                                               
+*******************************************************************************
+*******************************************************************************/
+
+
+enum { ID_QUIT=1, ID_ABOUT };
+class MyApp : public wxApp
+{
+       virtual bool OnInit();
+};
+
+
+class MyFrame : public wxFrame
+{
+ public:
+       MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) 
+       : wxFrame(0, -1, title, pos, size)
+       {
+               wxMenu* m = new wxMenu;
+               m->Append(ID_ABOUT, "&About...");
+               m->AppendSeparator();
+               m->Append(ID_QUIT, "E&xit");
+               
+               wxMenuBar* b = new wxMenuBar;
+               b->Append(m, "&File");
+               SetMenuBar(b);
+               CreateStatusBar();
+               SetStatusText("hello...");
+       }
+       
+       void OnQuit(wxCommandEvent& event)
+       {
+               Close(TRUE);
+       }
+       
+       void OnAbout(wxCommandEvent& event)
+       {
+               wxMessageBox("message 1", "message 2", wxOK|wxICON_INFORMATION);
+       }
+
+ private:
+       DECLARE_EVENT_TABLE()
+};
+ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
+                EVT_MENU(ID_QUIT, MyFrame::OnQuit)
+                EVT_MENU(ID_ABOUT, MyFrame::OnAbout)
+ END_EVENT_TABLE()
+
+                
+
+IMPLEMENT_APP(MyApp)
+
+
+/******************************************************************************
+*******************************************************************************
+
+                                                               MAIN PLAY THREAD
+
+*******************************************************************************
+*******************************************************************************/
+       
+// Scan Command Line Arguments
+
+long lopt (char *argv[], char *name, long def) 
+{
+       int     i;
+       for (i=0; argv[i]; i++) if (!strcmp(argv[i], name)) return atoi(argv[i+1]);
+       return def;
+}
+       
+
+//-------------------------------------------------------------------------
+//                                                                     MAIN
+//-------------------------------------------------------------------------
+float*                 inChannel[256];
+float*                 outChannel[256];
+int                    fpb;
+
+pthread_t      soundthread;
+       
+void* run_sound(void* ptr)
+{
+       AudioInterface* audio = (AudioInterface*)ptr;
+       
+       setRealtimePriority();
+       // Sound processing loop
+       audio->write(fpb, outChannel);  
+       audio->write(fpb, outChannel);  
+       while (1) {
+               if ( !audio->write(fpb, outChannel)) printf("w");       
+               if ( !audio->read (fpb, inChannel)) printf("r");;       
+               DSP.compute(fpb, inChannel, outChannel);
+       }
+       
+       audio->close();
+       return 0;
+}
+
+bool MyApp::OnInit()
+{
+       // create and init the audio interface card
+       AudioInterface* audio = new AudioInterface(
+               AudioParam().frequency(lopt(argv, "--frequency", 44100)) 
+                                       .buffering(lopt(argv, "--buffer", 128))
+                                       //.mode( ((DSP.getNumInputs()>0)?kRead:0) | ((DSP.getNumOutputs()>0)?kWrite:0) )
+       );
+       audio->open();
+       audio->info();
+       
+       
+       
+       MyFrame* frame = new MyFrame(argv[0], wxPoint(50,50), wxSize(-1, -1));
+
+       wxMenu* m = new wxMenu;
+       m->Append(ID_ABOUT, "&About...");
+       m->AppendSeparator();
+       m->Append(ID_QUIT, "E&xit");
+               
+       wxMenuBar* b = new wxMenuBar;
+       b->Append(m, "&File");
+               
+       frame->SetMenuBar(b);
+       frame->CreateStatusBar();
+       frame->SetStatusText("hello...");
+                               
+       WXUI* ui = new WXUI();
+       ui->openFrame(frame);
+       DSP.buildUserInterface((UI*)ui);
+       ui->closeFrame();
+       
+       DSP.init(audio->getSamplingFrequency());
+       fpb = audio->getFramesPerBuffer();      
+       audio->allocChanGroup(inChannel,  max(audio->getNumInputs(),  DSP.getNumInputs()), fpb);
+       audio->allocChanGroup(outChannel, max(audio->getNumOutputs(), DSP.getNumOutputs()), fpb);
+       
+       frame->Show(TRUE);
+       SetTopWindow(frame);
+       
+       pthread_create(&soundthread, NULL, run_sound, audio);
+
+       return TRUE;
+}