interpreter/preprocessor/faust-0.9.47mr3/architecture/q.cpp

   1 /************************************************************************
   2  ************************************************************************
   3     FAUST Architecture File
   4         Copyright (C) 2006-2011 Albert Graef <Dr.Graef@t-online.de>
   5     ---------------------------------------------------------------------
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU Lesser General Public License as
   8         published by the Free Software Foundation; either version 2.1 of the
   9         License, or (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU Lesser General Public License for more details.
  15
  16     You should have received a copy of the GNU Lesser General Public
  17         License along with the GNU C Library; if not, write to the Free
  18         Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19         02111-1307 USA.
  20  ************************************************************************
  21  ************************************************************************/
  22
  23 /* Q architecture file. Derived from minimal.cpp included in the Faust
  24    distribution. Please note that this is to be compiled as a shared library,
  25    which is then loaded dynamically by Q's faust module. */
  26
  27 #include <stdlib.h>
  28 #include <math.h>
  29
  30 struct Meta
  31 {
  32     void declare (const char* key, const char* value) { }
  33 };
  34
  35 //-------------------------------------------------------------------
  36 // Generic min and max using c++ inline
  37 //-------------------------------------------------------------------
  38
  39 inline int              max (unsigned int a, unsigned int b) { return (a>b) ? a : b; }
  40 inline int              max (int a, int b)                      { return (a>b) ? a : b; }
  41
  42 inline long     max (long a, long b)            { return (a>b) ? a : b; }
  43 inline long     max (int a, long b)             { return (a>b) ? a : b; }
  44 inline long     max (long a, int b)             { return (a>b) ? a : b; }
  45
  46 inline float    max (float a, float b)          { return (a>b) ? a : b; }
  47 inline float    max (int a, float b)            { return (a>b) ? a : b; }
  48 inline float    max (float a, int b)            { return (a>b) ? a : b; }
  49 inline float    max (long a, float b)           { return (a>b) ? a : b; }
  50 inline float    max (float a, long b)           { return (a>b) ? a : b; }
  51
  52 inline double   max (double a, double b)        { return (a>b) ? a : b; }
  53 inline double   max (int a, double b)           { return (a>b) ? a : b; }
  54 inline double   max (double a, int b)           { return (a>b) ? a : b; }
  55 inline double   max (long a, double b)          { return (a>b) ? a : b; }
  56 inline double   max (double a, long b)          { return (a>b) ? a : b; }
  57 inline double   max (float a, double b)         { return (a>b) ? a : b; }
  58 inline double   max (double a, float b)         { return (a>b) ? a : b; }
  59
  60
  61 inline int              min (int a, int b)                      { return (a<b) ? a : b; }
  62
  63 inline long     min (long a, long b)            { return (a<b) ? a : b; }
  64 inline long     min (int a, long b)             { return (a<b) ? a : b; }
  65 inline long     min (long a, int b)             { return (a<b) ? a : b; }
  66
  67 inline float    min (float a, float b)          { return (a<b) ? a : b; }
  68 inline float    min (int a, float b)            { return (a<b) ? a : b; }
  69 inline float    min (float a, int b)            { return (a<b) ? a : b; }
  70 inline float    min (long a, float b)           { return (a<b) ? a : b; }
  71 inline float    min (float a, long b)           { return (a<b) ? a : b; }
  72
  73 inline double   min (double a, double b)        { return (a<b) ? a : b; }
  74 inline double   min (int a, double b)           { return (a<b) ? a : b; }
  75 inline double   min (double a, int b)           { return (a<b) ? a : b; }
  76 inline double   min (long a, double b)          { return (a<b) ? a : b; }
  77 inline double   min (double a, long b)          { return (a<b) ? a : b; }
  78 inline double   min (float a, double b)         { return (a<b) ? a : b; }
  79 inline double   min (double a, float b)         { return (a<b) ? a : b; }
  80
  81 // abs is now predefined
  82 //template<typename T> T abs (T a)                      { return (a<T(0)) ? -a : a; }
  83
  84
  85 inline int              lsr (int x, int n)                      { return int(((unsigned int)x) >> n); }
  86
  87 /******************************************************************************
  88 *******************************************************************************
  89
  90                                                                VECTOR INTRINSICS
  91
  92 *******************************************************************************
  93 *******************************************************************************/
  94
  95 //inline void *aligned_calloc(size_t nmemb, size_t size) { return (void*)((unsigned)(calloc((nmemb*size)+15,sizeof(char)))+15 & 0xfffffff0); }
  96 //inline void *aligned_calloc(size_t nmemb, size_t size) { return (void*)((size_t)(calloc((nmemb*size)+15,sizeof(char)))+15 & ~15); }
  97
  98 <<includeIntrinsic>>
  99
 100 /******************************************************************************
 101 *******************************************************************************
 102
 103                         ABSTRACT USER INTERFACE
 104
 105 *******************************************************************************
 106 *******************************************************************************/
 107
 108 class UI
 109 {
 110   bool  fStopped;
 111 public:
 112
 113   UI() : fStopped(false) {}
 114   virtual ~UI() {}
 115
 116   virtual void addButton(char* label, float* zone) = 0;
 117   virtual void addToggleButton(char* label, float* zone) = 0;
 118   virtual void addCheckButton(char* label, float* zone) = 0;
 119   virtual void addVerticalSlider(char* label, float* zone, float init, float min, float max, float step) = 0;
 120   virtual void addHorizontalSlider(char* label, float* zone, float init, float min, float max, float step) = 0;
 121   virtual void addNumEntry(char* label, float* zone, float init, float min, float max, float step) = 0;
 122
 123   virtual void addNumDisplay(char* label, float* zone, int precision) = 0;
 124   virtual void addTextDisplay(char* label, float* zone, char* names[], float min, float max) = 0;
 125   virtual void addHorizontalBargraph(char* label, float* zone, float min, float max) = 0;
 126   virtual void addVerticalBargraph(char* label, float* zone, float min, float max) = 0;
 127
 128   virtual void openFrameBox(char* label) = 0;
 129   virtual void openTabBox(char* label) = 0;
 130   virtual void openHorizontalBox(char* label) = 0;
 131   virtual void openVerticalBox(char* label) = 0;
 132   virtual void closeBox() = 0;
 133
 134   virtual void run() = 0;
 135
 136   void stop()   { fStopped = true; }
 137   bool stopped()        { return fStopped; }
 138
 139   virtual void declare(float* zone, const char* key, const char* value) {}
 140 };
 141
 142 /***************************************************************************
 143    Q UI interface
 144  ***************************************************************************/
 145
 146 enum ui_elem_type_t {
 147   UI_BUTTON, UI_TOGGLE_BUTTON, UI_CHECK_BUTTON,
 148   UI_V_SLIDER, UI_H_SLIDER, UI_NUM_ENTRY,
 149   UI_V_BARGRAPH, UI_H_BARGRAPH,
 150   UI_END_GROUP, UI_V_GROUP, UI_H_GROUP, UI_T_GROUP
 151 };
 152
 153 struct ui_elem_t {
 154   ui_elem_type_t type;
 155   char *label;
 156   float *zone;
 157   void *ref;
 158   float init, min, max, step;
 159 };
 160
 161 class QUI : public UI
 162 {
 163 public:
 164   int nelems;
 165   ui_elem_t *elems;
 166
 167   QUI();
 168   virtual ~QUI();
 169
 170 protected:
 171   void add_elem(ui_elem_type_t type, char *label = NULL);
 172   void add_elem(ui_elem_type_t type, char *label, float *zone);
 173   void add_elem(ui_elem_type_t type, char *label, float *zone,
 174                 float init, float min, float max, float step);
 175   void add_elem(ui_elem_type_t type, char *label, float *zone,
 176                 float min, float max);
 177
 178 public:
 179   virtual void addButton(char* label, float* zone);
 180   virtual void addToggleButton(char* label, float* zone);
 181   virtual void addCheckButton(char* label, float* zone);
 182   virtual void addVerticalSlider(char* label, float* zone, float init, float min, float max, float step);
 183   virtual void addHorizontalSlider(char* label, float* zone, float init, float min, float max, float step);
 184   virtual void addNumEntry(char* label, float* zone, float init, float min, float max, float step);
 185
 186   virtual void addNumDisplay(char* label, float* zone, int precision);
 187   virtual void addTextDisplay(char* label, float* zone, char* names[], float min, float max);
 188   virtual void addHorizontalBargraph(char* label, float* zone, float min, float max);
 189   virtual void addVerticalBargraph(char* label, float* zone, float min, float max);
 190
 191   virtual void openFrameBox(char* label);
 192   virtual void openTabBox(char* label);
 193   virtual void openHorizontalBox(char* label);
 194   virtual void openVerticalBox(char* label);
 195   virtual void closeBox();
 196
 197   virtual void run();
 198 };
 199
 200 QUI::QUI()
 201 {
 202   nelems = 0;
 203   elems = NULL;
 204 }
 205
 206 QUI::~QUI()
 207 {
 208   if (elems) free(elems);
 209 }
 210
 211 inline void QUI::add_elem(ui_elem_type_t type, char *label)
 212 {
 213   ui_elem_t *elems1 = (ui_elem_t*)realloc(elems, (nelems+1)*sizeof(ui_elem_t));
 214   if (elems1)
 215     elems = elems1;
 216   else
 217     return;
 218   elems[nelems].type = type;
 219   elems[nelems].label = label;
 220   elems[nelems].zone = NULL;
 221   elems[nelems].ref = NULL;
 222   elems[nelems].init = 0.0;
 223   elems[nelems].min = 0.0;
 224   elems[nelems].max = 0.0;
 225   elems[nelems].step = 0.0;
 226   nelems++;
 227 }
 228
 229 inline void QUI::add_elem(ui_elem_type_t type, char *label, float *zone)
 230 {
 231   ui_elem_t *elems1 = (ui_elem_t*)realloc(elems, (nelems+1)*sizeof(ui_elem_t));
 232   if (elems1)
 233     elems = elems1;
 234   else
 235     return;
 236   elems[nelems].type = type;
 237   elems[nelems].label = label;
 238   elems[nelems].zone = zone;
 239   elems[nelems].ref = NULL;
 240   elems[nelems].init = 0.0;
 241   elems[nelems].min = 0.0;
 242   elems[nelems].max = 0.0;
 243   elems[nelems].step = 0.0;
 244   nelems++;
 245 }
 246
 247 inline void QUI::add_elem(ui_elem_type_t type, char *label, float *zone,
 248                           float init, float min, float max, float step)
 249 {
 250   ui_elem_t *elems1 = (ui_elem_t*)realloc(elems, (nelems+1)*sizeof(ui_elem_t));
 251   if (elems1)
 252     elems = elems1;
 253   else
 254     return;
 255   elems[nelems].type = type;
 256   elems[nelems].label = label;
 257   elems[nelems].zone = zone;
 258   elems[nelems].ref = NULL;
 259   elems[nelems].init = init;
 260   elems[nelems].min = min;
 261   elems[nelems].max = max;
 262   elems[nelems].step = step;
 263   nelems++;
 264 }
 265
 266 inline void QUI::add_elem(ui_elem_type_t type, char *label, float *zone,
 267                           float min, float max)
 268 {
 269   ui_elem_t *elems1 = (ui_elem_t*)realloc(elems, (nelems+1)*sizeof(ui_elem_t));
 270   if (elems1)
 271     elems = elems1;
 272   else
 273     return;
 274   elems[nelems].type = type;
 275   elems[nelems].label = label;
 276   elems[nelems].zone = zone;
 277   elems[nelems].ref = NULL;
 278   elems[nelems].init = 0.0;
 279   elems[nelems].min = min;
 280   elems[nelems].max = max;
 281   elems[nelems].step = 0.0;
 282   nelems++;
 283 }
 284
 285 void QUI::addButton(char* label, float* zone)
 286 { add_elem(UI_BUTTON, label, zone); }
 287 void QUI::addToggleButton(char* label, float* zone)
 288 { add_elem(UI_TOGGLE_BUTTON, label, zone); }
 289 void QUI::addCheckButton(char* label, float* zone)
 290 { add_elem(UI_CHECK_BUTTON, label, zone); }
 291 void QUI::addVerticalSlider(char* label, float* zone, float init, float min, float max, float step)
 292 { add_elem(UI_V_SLIDER, label, zone, init, min, max, step); }
 293 void QUI::addHorizontalSlider(char* label, float* zone, float init, float min, float max, float step)
 294 { add_elem(UI_H_SLIDER, label, zone, init, min, max, step); }
 295 void QUI::addNumEntry(char* label, float* zone, float init, float min, float max, float step)
 296 { add_elem(UI_NUM_ENTRY, label, zone, init, min, max, step); }
 297
 298 // FIXME: addNumDisplay and addTextDisplay not implemented in Faust yet?
 299 void QUI::addNumDisplay(char* label, float* zone, int precision) {}
 300 void QUI::addTextDisplay(char* label, float* zone, char* names[], float min, float max) {}
 301 void QUI::addHorizontalBargraph(char* label, float* zone, float min, float max)
 302 { add_elem(UI_H_BARGRAPH, label, zone, min, max); }
 303 void QUI::addVerticalBargraph(char* label, float* zone, float min, float max)
 304 { add_elem(UI_V_BARGRAPH, label, zone, min, max); }
 305
 306 void QUI::openFrameBox(char* label) {}
 307 void QUI::openTabBox(char* label)
 308 { add_elem(UI_T_GROUP, label); }
 309 void QUI::openHorizontalBox(char* label)
 310 { add_elem(UI_H_GROUP, label); }
 311 void QUI::openVerticalBox(char* label)
 312 { add_elem(UI_V_GROUP, label); }
 313 void QUI::closeBox()
 314 { add_elem(UI_END_GROUP); }
 315
 316 void QUI::run() {}
 317
 318 /******************************************************************************
 319 *******************************************************************************
 320
 321                             FAUST DSP
 322
 323 *******************************************************************************
 324 *******************************************************************************/
 325
 326
 327
 328 //----------------------------------------------------------------
 329 //  abstract definition of a signal processor
 330 //----------------------------------------------------------------
 331
 332 class dsp {
 333  protected:
 334         int fSamplingFreq;
 335  public:
 336         dsp() {}
 337         virtual ~dsp() {}
 338         virtual int getNumInputs() = 0;
 339         virtual int getNumOutputs() = 0;
 340         virtual void buildUserInterface(UI* interface) = 0;
 341         virtual void init(int samplingRate) = 0;
 342         virtual void compute(int len, float** inputs, float** outputs) = 0;
 343 };
 344
 345 //----------------------------------------------------------------------------
 346 //  FAUST generated signal processor
 347 //----------------------------------------------------------------------------
 348
 349
 350 <<includeclass>>
 351
 352 /* The class factory, used to create and destroy mydsp objects in the
 353    client. Implemented using C linkage to facilitate dlopen access. */
 354
 355 extern "C" dsp *newdsp()
 356 {
 357   mydsp *d = new mydsp();
 358   return d;
 359 }
 360
 361 extern "C" void deldsp(dsp* d)
 362 {
 363   delete d;
 364 }