working on th midi-part

svn path=/trunk/externals/iem/mediasettings/; revision=14722

1 files changed, 336 insertions, 88 deletions

diff --git a/midisettings.c b/midisettings.c
index b6bf728..bc3c0a5 100644
--- a/midisettings.c
+++ b/midisettings.c
@@ -17,64 +17,67 @@
 #include "m_pd.h"
 #include "s_stuff.h"
 #include <stdio.h>
+#include <string.h>
 
 #define MAXNDEV 20
 #define DEVDESCSIZE 80
+
 #ifndef MAXMIDIINDEV
 # define MAXMIDIINDEV 4
 #endif
 #ifndef MAXMIDIOUTDEV
 # define MAXMIDIOUTDEV 4
 #endif
+
 extern int sys_midiapi;
 static t_class *midisettings_class;
 
-typedef struct _as_apis {
+static t_symbol*s_pdsym=NULL;
+
+typedef struct _as_drivers {
   t_symbol*name;
   int      id;
 
-  struct _as_apis *next;
-} t_as_apis;
+  struct _as_drivers *next;
+} t_as_drivers;
 
 
-t_as_apis*as_findapi(t_as_apis*apis, const t_symbol*name) {
-  while(apis) {
-    if(name==apis->name)return apis;
-    apis=apis->next;
+t_as_drivers*as_finddriver(t_as_drivers*drivers, const t_symbol*name) {
+  while(drivers) {
+    if(name==drivers->name)return drivers;
+    drivers=drivers->next;
   }
   return NULL;
 }
 
-t_as_apis*as_findapiid(t_as_apis*apis, const int id) {
-  while(apis) {
-    if(id==apis->id)return apis;
-    apis=apis->next;
+t_as_drivers*as_finddriverid(t_as_drivers*drivers, const int id) {
+  while(drivers) {
+    if(id==drivers->id)return drivers;
+    drivers=drivers->next;
   }
   return NULL;
 }
 
-t_as_apis*as_addapi(t_as_apis*apis, t_symbol*name, int id, int overwrite) {
-  t_as_apis*api=as_findapi(apis, name);
+t_as_drivers*as_adddriver(t_as_drivers*drivers, t_symbol*name, int id, int overwrite) {
+  t_as_drivers*driver=as_finddriver(drivers, name);
 
-  if(api) {
+  if(driver) {
     if(overwrite) {
-      api->name=name;
-      api->id  =id;
+      driver->name=name;
+      driver->id  =id;
     }
-    return apis;
+    return drivers;
   }
 
-  api=(t_as_apis*)getbytes(sizeof(t_as_apis));
-  api->name=name;
-  api->id=id;
-  api->next=apis;
+  driver=(t_as_drivers*)getbytes(sizeof(t_as_drivers));
+  driver->name=name;
+  driver->id=id;
+  driver->next=drivers;
 
-  return api;
+  return driver;
 }
 
-t_as_apis*as_apiparse(t_as_apis*apis, const char*buf) {
-  t_as_apis*api=apis;
-
+t_as_drivers*as_driverparse(t_as_drivers*drivers, const char*buf) {
   int start=-1;
   int stop =-1;
 
@@ -93,14 +96,14 @@ t_as_apis*as_apiparse(t_as_apis*apis, const char*buf) {
       stop=index;
 
       if(start>=0 && start<stop) {
-        char apiname[MAXPDSTRING];
-        int  apiid;
+        char drivername[MAXPDSTRING];
+        int  driverid;
         int length=stop-start;
         if(length>=MAXPDSTRING)length=MAXPDSTRING-1;
         snprintf(substring, length, "%s", buf+start+1);
         
-        if(2==sscanf(substring, "%s %d", apiname, &apiid)) {
-          apis=as_addapi(apis, gensym(apiname), apiid, 0);
+        if(2==sscanf(substring, "%s %d", drivername, &driverid)) {
+          drivers=as_adddriver(drivers, gensym(drivername), driverid, 0);
         } else {
           post("unparseable: '%s'", substring);
         }
@@ -110,34 +113,86 @@ t_as_apis*as_apiparse(t_as_apis*apis, const char*buf) {
     }
   }
 
-  return apis;
+  return drivers;
 }
 
-static t_as_apis*APIS=NULL;
+static t_as_drivers*DRIVERS=NULL;
 
-static t_symbol*as_getapiname(const int id) {
-  t_as_apis*api=as_findapiid(APIS, id);
-  if(api) {
-    return api->name;
+static t_symbol*as_getdrivername(const int id) {
+  t_as_drivers*driver=as_finddriverid(DRIVERS, id);
+  if(driver) {
+    return driver->name;
   } else {
     return gensym("<unknown>");
   }
 }
 
-static int as_getapiid(const t_symbol*id) {
-  t_as_apis*api=as_findapi(APIS, id);
-  if(api) {
-    return api->id;
+static int as_getdriverid(const t_symbol*id) {
+  t_as_drivers*driver=as_finddriver(DRIVERS, id);
+  if(driver) {
+    return driver->id;
   }
   return -1; /* unknown */
 }
 
+
+
+typedef struct _as_params {
+  int indev[MAXMIDIINDEV], outdev[MAXMIDIOUTDEV];
+  int inchannels, outchannels;
+} t_as_params;
+static void as_params_print(t_as_params*parms) {
+  int i=0;
+  post("\n=================================<");
+
+  for(i=0; i<MAXMIDIINDEV; i++) {
+    post("indev[%d]: %d", i, parms->indev[i]);
+  }
+  for(i=0; i<MAXMIDIOUTDEV; i++) {
+    post("outdev[%d]: %d", i, parms->outdev[i]);
+  }
+
+  post("alsamidi: %d %d", parms->inchannels, parms->outchannels);
+
+  post(">=================================\n");
+
+}
+static void as_params_get(t_as_params*parms) {
+  int i=0;
+  memset(parms, 0, sizeof(t_as_params));
+
+  sys_get_midi_params(&parms->inchannels, parms->indev,
+                      &parms->outchannels, parms->outdev);
+#if 0
+  for(i=parms->naudioindev; i<MAXAUDIOINDEV; i++) {
+    parms->audioindev[i]=0;
+    parms->chindev[i]=0;
+  }
+  for(i=parms->naudiooutdev; i<MAXAUDIOOUTDEV; i++) {
+    parms->audiooutdev[i]=0;
+    parms->choutdev[i]=0;
+  }
+#endif
+
+  as_params_print(parms);
+}
+
+
+
+
+
 typedef struct _midisettings
 {
   t_object x_obj;
   t_outlet*x_info;
+
+  t_as_params x_params;
 } t_midisettings;
 
+static void midisettings_params_init(t_midisettings*x) {
+  as_params_get(&x->x_params);
+}
+
 
 static void midisettings_listdevices(t_midisettings *x)
 {
@@ -152,8 +207,8 @@ static void midisettings_listdevices(t_midisettings *x)
                      (char*)outdevlist, &outdevs, 
                      MAXNDEV, DEVDESCSIZE);
 
-  SETSYMBOL (atoms+0, gensym("api"));
-  SETSYMBOL (atoms+1, as_getapiname(sys_midiapi));
+  SETSYMBOL (atoms+0, gensym("driver"));
+  SETSYMBOL (atoms+1, as_getdrivername(sys_midiapi));
   outlet_anything(x->x_info, gensym("device"), 2, atoms);
 
   SETSYMBOL(atoms+0, gensym("in"));
@@ -185,30 +240,27 @@ static void midisettings_listparams(t_midisettings *x) {
   int i;
   t_atom atoms[4];
 
-  int nmidiindev=1, midiindev[MAXMIDIINDEV];
-  int nmidioutdev, midioutdev[MAXMIDIOUTDEV];
-  sys_get_midi_params(&nmidiindev, midiindev, 
-                      &nmidioutdev, midioutdev);
-  
+  midisettings_params_init(x);
+
   SETSYMBOL(atoms+0, gensym("in"));
 
   SETSYMBOL(atoms+1, gensym("devices"));
-  SETFLOAT (atoms+2, (t_float)nmidiindev);
+  SETFLOAT (atoms+2, (t_float)x->x_params.inchannels);
   outlet_anything(x->x_info, gensym("params"), 3, atoms);
 
-  for(i=0; i<nmidiindev; i++) {
-    SETFLOAT (atoms+1, (t_float)midiindev[i]);
+  for(i=0; i<x->x_params.inchannels; i++) {
+    SETFLOAT (atoms+1, (t_float)x->x_params.indev[i]);
     outlet_anything(x->x_info, gensym("params"), 2, atoms);
   }
 
   SETSYMBOL(atoms+0, gensym("out"));
 
   SETSYMBOL(atoms+1, gensym("devices"));
-  SETFLOAT (atoms+2, (t_float)nmidioutdev);
+  SETFLOAT (atoms+2, (t_float)x->x_params.outchannels);
   outlet_anything(x->x_info, gensym("params"), 3, atoms);
 
-  for(i=0; i<nmidioutdev; i++) {
-    SETFLOAT (atoms+1, (t_float)midioutdev[i]);
+  for(i=0; i<x->x_params.outchannels; i++) {
+    SETFLOAT (atoms+1, (t_float)x->x_params.outdev[i]);
     outlet_anything(x->x_info, gensym("params"), 2, atoms);
   }
 }
@@ -220,7 +272,7 @@ static void midisettings_set(t_midisettings *x,
                              t_symbol*s, 
                              int argc, t_atom*argv) {
 /*
-     "pd audio-dialog ..."
+     "pd midi-dialog ..."
      #00: indev[0]
      #01: indev[1]
      #02: indev[2]
@@ -242,52 +294,207 @@ static void midisettings_set(t_midisettings *x,
 
 
 
-static void midisettings_testdevices(t_midisettings *x)
-{
-  int i;
 
-  char indevlist[MAXNDEV][DEVDESCSIZE], outdevlist[MAXNDEV][DEVDESCSIZE];
-  int indevs = 0, outdevs = 0;
- 
-  sys_get_midi_devs((char*)indevlist, &indevs, (char*)outdevlist, &outdevs, MAXNDEV, DEVDESCSIZE);
+static void midisettings_params_apply(t_midisettings*x) {
+/*
+     "pd midi-dialog ..."
+     #00: indev[0]
+     #01: indev[1]
+     #02: indev[2]
+     #03: indev[3]
+     #04: outdev[0]
+     #05: outdev[1]
+     #06: outdev[2]
+     #07: outdev[3]
+     #08: alsadevin
+     #09: alsadevout
+*/
 
-  post("%d midi indevs", indevs);
-  for(i=0; i<indevs; i++)
-    post("\t#%02d: %s", i, indevlist[i]);
+  int alsamidi=0;
 
-  post("%d midi outdevs", outdevs);
-  for(i=0; i<outdevs; i++)
-    post("\t#%02d: %s", i, outdevlist[i]);
+  t_atom argv [MAXMIDIINDEV+MAXMIDIOUTDEV+2];
+  int    argc= MAXMIDIINDEV+MAXMIDIOUTDEV+2;
+
+  int i=0;
+
+  as_params_print(&x->x_params);
+
+
+  for(i=0; i<MAXMIDIINDEV; i++) {
+    SETFLOAT(argv+i+0*MAXMIDIINDEV, (t_float)(alsamidi?0:x->x_params.indev[i]));
+  }
+  for(i=0; i<MAXMIDIOUTDEV; i++) {
+    SETFLOAT(argv+i+1*MAXMIDIINDEV, (t_float)(alsamidi?0:x->x_params.outdev[i]));
+  }
 
-  endpost();
-  int nmidiindev, midiindev[MAXMIDIINDEV];
-  int nmidioutdev, midioutdev[MAXMIDIOUTDEV];
-  sys_get_midi_params(&nmidiindev, midiindev,
-                       &nmidioutdev, midioutdev);
   
-  post("%d midiindev (parms)", nmidiindev);
-  for(i=0; i<nmidiindev; i++) {
-    post("\t#%02d: %d %d", i, midiindev[i]);
+  SETFLOAT(argv+2*MAXMIDIINDEV+2*MAXMIDIOUTDEV+0,(t_float)(alsamidi?x->x_params.inchannels:0));
+  SETFLOAT(argv+2*MAXMIDIINDEV+2*MAXMIDIOUTDEV+1,(t_float)(alsamidi?x->x_params.outchannels:0));
+
+  if (s_pdsym->s_thing) typedmess(s_pdsym->s_thing, 
+				  gensym("midi-dialog"), 
+				  argc,
+				  argv);
+}
+
+
+/* find the beginning of the next parameter in the list */
+typedef enum {
+  PARAM_INPUT,
+  PARAM_OUTPUT,
+  PARAM_INVALID
+} t_paramtype;
+static t_paramtype midisettings_setparams_id(t_symbol*s) {
+  if(gensym("@input")==s) {
+    return PARAM_INPUT;
+  } else if(gensym("@output")==s) {
+    return PARAM_OUTPUT;
   }
-  post("%d midioutdev (parms)", nmidioutdev);
-  for(i=0; i<nmidioutdev; i++) {
-    post("\t#%02d: %d %d", i, midioutdev[i]);
+  return PARAM_INVALID;
+}
+
+/* find the beginning of the next parameter in the list */
+static int midisettings_setparams_next(int argc, t_atom*argv) {
+  int i=0;
+  for(i=0; i<argc; i++) {
+    if(A_SYMBOL==argv[i].a_type) {
+      t_symbol*s=atom_getsymbol(argv+i);
+      if('@'==s->s_name[0])
+	return i;
+    }
+  }
+  return i;
+}
+
+/* [<device> <channels>]* ... */
+static int midisettings_setparams_input(t_midisettings*x, int argc, t_atom*argv) {
+  int length=midisettings_setparams_next(argc, argv);
+  int i;
+  int numpairs=length/2;
+
+  if(length%2)return length;
+
+  if(numpairs>MAXMIDIINDEV)
+    numpairs=MAXMIDIINDEV;
+
+  for(i=0; i<numpairs; i++) {
+    int dev=0;
+    int ch=0;
+
+    if(A_FLOAT==argv[2*i+0].a_type) {
+      dev=atom_getint(argv);
+    } else if (A_SYMBOL==argv[2*i+0].a_type) {
+      // LATER: get the device-id from the device-name
+      continue;
+    } else {
+      continue;
+    }
+    ch=atom_getint(argv+2*i+1);
+
+    x->x_params.indev[i]=dev;
   }
+
+  return length;
 }
+
+static int midisettings_setparams_output(t_midisettings*x, int argc, t_atom*argv) {
+  int length=midisettings_setparams_next(argc, argv);
+  int i;
+  int numpairs=length/2;
+
+  if(length%2)return length;
+
+  if(numpairs>MAXMIDIOUTDEV)
+    numpairs=MAXMIDIOUTDEV;
+
+  for(i=0; i<numpairs; i++) {
+    int dev=0;
+    int ch=0;
+
+    if(A_FLOAT==argv[2*i+0].a_type) {
+      dev=atom_getint(argv);
+    } else if (A_SYMBOL==argv[2*i+0].a_type) {
+      // LATER: get the device-id from the device-name
+      continue;
+    } else {
+      continue;
+    }
+    ch=atom_getint(argv+2*i+1);
+
+    x->x_params.outdev[i]=dev;
+  }
+
+  return length;
+}
+
+static void midisettings_setparams(t_midisettings *x, t_symbol*s, int argc, t_atom*argv) {
+/*
+ * PLAN:
+ *   several messages that accumulate to a certain settings, and then "apply" them
+ *
+ * normal midi: list up to four devices (each direction)
+ * alsa   midi: choose number of ports (each direction)
+    
+*/
+  int apply=1;
+  int advance=0;
+  t_paramtype param=PARAM_INVALID;
+
+  advance=midisettings_setparams_next(argc, argv);
+  while((argc-=advance)>0) {
+    argv+=advance;
+    s=atom_getsymbol(argv);
+    param=midisettings_setparams_id(s);
+
+    argv++;
+    argc--;
+
+    switch(param) {
+    case PARAM_INPUT:
+      advance=midisettings_setparams_input(x, argc, argv);
+      break;
+    case PARAM_OUTPUT:
+      advance=midisettings_setparams_output(x, argc, argv);
+      break;
+    default:
+      pd_error(x, "unknown parameter"); postatom(1, argv);endpost();
+      break;
+    }
+
+    argc-=advance;
+    argv+=advance;
+    advance=midisettings_setparams_next(argc, argv);
+  }
+  if(apply) {
+    //    midisettings_params_apply(x);
+    midisettings_params_init (x); /* re-initialize to what we got */
+  }
+}
+
+
+
+
 /*
  */
-static void midisettings_listapis(t_midisettings *x)
+static void midisettings_listdrivers(t_midisettings *x)
 {
 
-  t_as_apis*api=NULL;
+  t_as_drivers*driver=NULL;
 
-  for(api=APIS; api; api=api->next) {
+  for(driver=DRIVERS; driver; driver=driver->next) {
     t_atom ap[1];
-    SETSYMBOL(ap, api->name);
+    SETSYMBOL(ap, driver->name);
     outlet_anything(x->x_info, gensym("driver"), 1, ap);    
   }
 }
 
+static void midisettings_bang(t_midisettings *x) {
+  midisettings_listdrivers(x);
+  midisettings_listdevices(x);
+  midisettings_listparams(x);
+}
+
+
 static void midisettings_free(t_midisettings *x){
 
 }
@@ -301,18 +508,23 @@ static void *midisettings_new(void)
   char buf[MAXPDSTRING];
   sys_get_midi_apis(buf);
 
-  APIS=as_apiparse(APIS, buf);
+  midisettings_params_init (x); /* re-initialize to what we got */
 
-  //  sys_get_midi_apis(buf);
-  //  APIS=as_apiparse(APIS, buf);
+  DRIVERS=as_driverparse(DRIVERS, buf);
+
+  //  sys_get_midi_drivers(buf);
+  //  DRIVERS=as_driverparse(DRIVERS, buf);
 
 
   return (x);
 }
 
+static void midisettings_testdevices(t_midisettings *x);
 
 void midisettings_setup(void)
 {
+  s_pdsym=gensym("pd");
+
   post("midisettings: midi settings manager");
   post("          Copyright (C) 2010 IOhannes m zmoelnig");
   post("          for the IntegraLive project");
@@ -326,13 +538,49 @@ void midisettings_setup(void)
   midisettings_class = class_new(gensym("midisettings"), (t_newmethod)midisettings_new, (t_method)midisettings_free,
 			     sizeof(t_midisettings), 0, 0);
 
-  class_addbang(midisettings_class, (t_method)midisettings_listapis);
-  class_addmethod(midisettings_class, (t_method)midisettings_listapis, gensym("listapis"), A_NULL);
+  class_addbang(midisettings_class, (t_method)midisettings_bang);
+  class_addmethod(midisettings_class, (t_method)midisettings_listdrivers, gensym("listdrivers"), A_NULL);
   class_addmethod(midisettings_class, (t_method)midisettings_listdevices, gensym("listdevices"), A_NULL);
- class_addmethod(midisettings_class, (t_method)midisettings_listparams, gensym("listparams"), A_NULL);
+  class_addmethod(midisettings_class, (t_method)midisettings_listparams, gensym("listparams"), A_NULL);
 
 
-  class_addmethod(midisettings_class, (t_method)midisettings_testdevices, gensym("testdevices"), A_NULL);
 
+  class_addmethod(midisettings_class, (t_method)midisettings_setparams, gensym("params"), A_GIMME);
+
+  class_addmethod(midisettings_class, (t_method)midisettings_testdevices, gensym("testdevices"), A_NULL);
 }
 
+
+
+static void midisettings_testdevices(t_midisettings *x)
+{
+  int i;
+
+  char indevlist[MAXNDEV][DEVDESCSIZE], outdevlist[MAXNDEV][DEVDESCSIZE];
+  int indevs = 0, outdevs = 0;
+ 
+  sys_get_midi_devs((char*)indevlist, &indevs, (char*)outdevlist, &outdevs, MAXNDEV, DEVDESCSIZE);
+
+  post("%d midi indevs", indevs);
+  for(i=0; i<indevs; i++)
+    post("\t#%02d: %s", i, indevlist[i]);
+
+  post("%d midi outdevs", outdevs);
+  for(i=0; i<outdevs; i++)
+    post("\t#%02d: %s", i, outdevlist[i]);
+
+  endpost();
+  int nmidiindev, midiindev[MAXMIDIINDEV];
+  int nmidioutdev, midioutdev[MAXMIDIOUTDEV];
+  sys_get_midi_params(&nmidiindev, midiindev,
+                       &nmidioutdev, midioutdev);
+  
+  post("%d midiindev (parms)", nmidiindev);
+  for(i=0; i<nmidiindev; i++) {
+    post("\t#%02d: %d %d", i, midiindev[i]);
+  }
+  post("%d midioutdev (parms)", nmidioutdev);
+  for(i=0; i<nmidioutdev; i++) {
+    post("\t#%02d: %d %d", i, midioutdev[i]);
+  }
+}