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-rwxr-xr-xharmonizer.c132
-rwxr-xr-xtest-harmonizer2.pd1160
-rwxr-xr-xvoicing_analyzer.c117
3 files changed, 773 insertions, 636 deletions
diff --git a/harmonizer.c b/harmonizer.c
index 27afb8f..2912291 100755
--- a/harmonizer.c
+++ b/harmonizer.c
@@ -73,13 +73,15 @@ typedef struct _harmonizer
{
t_object x_obj; // myself
// genotypes
- int population[MAX_POPULATION][VOICES];
- int current_voices[VOICES];
+ //int population[MAX_POPULATION][VOICES];
+ //int current_voices[VOICES];
+ int *population[MAX_POPULATION];
+ int *current_voices;
chord_abs_t current_chord;
chord_abs_t target_chord;
int target_notes[POSSIBLE_NOTES];
t_outlet *l_out;
-
+ int voices;
float wideness;
int center_note;
float i_like_parallelism;
@@ -235,7 +237,7 @@ void harmonizer_init_pop(t_harmonizer *x)
double rnd;
for (i=0; i<MAX_POPULATION; i++)
{
- for (j=0; j<VOICES; j++)
+ for (j=0; j<x->voices; j++)
{
/*
// totally randome version
@@ -285,11 +287,28 @@ void harmonizer_init_pop(t_harmonizer *x)
}
}
+void harmonizer_allocate(t_harmonizer *x)
+{
+ int i;
+ for (i=0; i<MAX_POPULATION; i++)
+ {
+ x->population[i] = malloc(sizeof(int)*x->voices);
+ }
+ x->current_voices = malloc(sizeof(int)*x->voices);
+
+}
void harmonizer_free(t_harmonizer *x)
{
// freebytes(x->buf_strum1, sizeof(x->buf_strum1));
// freebytes(x->buf_strum2, sizeof(x->buf_strum2));
+
+ int i;
+ for (i=0; i<MAX_POPULATION; i++)
+ {
+ free(x->population[i]);
+ }
+ free(x->current_voices);
}
// here i evaluate this voicing
@@ -299,20 +318,34 @@ int fitness(t_harmonizer *x, int *candidate)
float wideness, ftmp;
short int chord_notes[4];
short int chord_notes_ok[4];
- short int transitions[VOICES];
- short int directions[VOICES];
+ //short int transitions[VOICES];
+ short int *transitions;
+ //short int directions[VOICES];
+ short int *directions;
// intervals between voices
// for parallel and hidden 5ths
// voices spacing etc..
- short int intervals[VOICES][VOICES];
- short int notes[VOICES];
+ //short int intervals[VOICES][VOICES];
+ short int **intervals;
+ //short int notes[VOICES];
+ short int *notes;
res=50; // starting fitness
if (DEBUG_VERBOSE)
post("evaluating fitness of %i %i %i %i", candidate[0], candidate[1], candidate[2], candidate[3]);
+ // allocate arrays
+ transitions = malloc(sizeof(short int)*x->voices);
+ directions = malloc(sizeof(short int)*x->voices);
+ notes = malloc(sizeof(short int)*x->voices);
+ intervals = malloc(sizeof(short int *) * x->voices);
+ for (i=0; i<x->voices; i++)
+ {
+ intervals[i] = malloc(sizeof(short int) * x->voices);
+ }
+
// shared objects
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
notes[i]=candidate[i];
transitions[i] = candidate[i] - x->current_voices[i];
@@ -324,16 +357,16 @@ int fitness(t_harmonizer *x, int *candidate)
post("directions[%i]=%i", i, directions[i]);
}
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
- for (j=i+1; j<VOICES; j++)
+ for (j=i+1; j<x->voices; j++)
{
intervals[i][j] = (candidate[i]-candidate[j])%12 ;
if (DEBUG_VERBOSE)
post("intervals[%i][%i]=%i", i, j, intervals[i][j]);
}
}
- SGLIB_ARRAY_SINGLE_QUICK_SORT(short int, notes, VOICES, SGLIB_NUMERIC_COMPARATOR)
+ SGLIB_ARRAY_SINGLE_QUICK_SORT(short int, notes, x->voices, SGLIB_NUMERIC_COMPARATOR)
// all same direction?
if ( directions[0]==directions[1] &&
@@ -348,9 +381,9 @@ int fitness(t_harmonizer *x, int *candidate)
// parallel 5ths or octaves? (if yes return 0)
// how?
// hidden 8ths nor 5ths ?
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
- for (j=i+1; j<VOICES; j++)
+ for (j=i+1; j<x->voices; j++)
{
if (intervals[i][j]==7 || intervals[i][j]==0)
{
@@ -370,16 +403,16 @@ int fitness(t_harmonizer *x, int *candidate)
// TODO: use notes[]
// are voices average centered?
tmp=0;
- for (i=1; i<VOICES; i++)
+ for (i=1; i<x->voices; i++)
{
tmp+=notes[i];
if (DEBUG_VERBOSE)
post("average note is %i at passage %i", tmp, i);
}
// this is the average note
- tmp = tmp/(VOICES-1);
+ tmp = tmp/(x->voices-1);
if (DEBUG_VERBOSE)
- post("average note is %i after division by (VOICES-1)", tmp);
+ post("average note is %i after division by (x->voices-1)", tmp);
// tmp = abs((LOWER_POSSIBLE_NOTE + NOTES_RANGE)*2/3 - tmp); // how much average is far from 72
tmp = abs(x->center_note - tmp); // how much average is far from desired center note
res += 30;
@@ -406,7 +439,7 @@ int fitness(t_harmonizer *x, int *candidate)
//res+=50;
if (DEBUG_VERBOSE)
post("res before transitions %i", res);
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
if (DEBUG_VERBOSE)
post("transitions[%i] = %i",i, transitions[i]);
@@ -445,7 +478,7 @@ int fitness(t_harmonizer *x, int *candidate)
chord_notes[i] = (x->target_notes[i]) % 12;
chord_notes_ok[i] = 0;
}
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
tmp = notes[i] % 12;
for (j=0; j<4; j++)
@@ -472,11 +505,11 @@ int fitness(t_harmonizer *x, int *candidate)
{
res -= 2^chord_notes_ok[j];
}
- res += 2*VOICES;
+ res += 2*x->voices;
// penalize too many basses
tmp = 0;
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
if (notes[i]<48)
tmp++;
@@ -492,7 +525,7 @@ int fitness(t_harmonizer *x, int *candidate)
// now wideness
min = notes[0];
- max = notes[VOICES-1];
+ max = notes[x->voices-1];
distance = max - min;
wideness = (float) (((float)distance) / ((float)12));
ftmp = fabs(wideness - x->wideness);
@@ -501,6 +534,16 @@ int fitness(t_harmonizer *x, int *candidate)
if (DEBUG_VERBOSE)
post("fitness is %i", res);
+ // free memory
+ free(transitions);
+ free(directions);
+ free(notes);
+ for (i=0; i<x->voices; i++)
+ {
+ free(intervals[i]);
+ }
+ free(intervals);
+
return res;
}
@@ -510,18 +553,18 @@ void new_genotype(t_harmonizer *x, int *mammy, int *daddy, int *kid)
double rnd;
// crossover
rnd = rand()/((double)RAND_MAX + 1);
- split = rnd * VOICES;
+ split = rnd * x->voices;
for (i=0; i<split; i++)
{
kid[i]=mammy[i];
}
- for (i=split; i<VOICES; i++)
+ for (i=split; i<x->voices; i++)
{
kid[i]=daddy[i];
}
// mutation
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
rnd = rand()/((double)RAND_MAX + 1);
if (rnd < DEF_PROB_MUTATION)
@@ -545,7 +588,11 @@ void generate_voicing(t_harmonizer *x)
fitness_list_element fitness_evaluations[MAX_POPULATION];
int i, generation, mum, dad, winner;
double rnd;
- t_atom lista[VOICES];
+ //t_atom lista[VOICES];
+ t_atom *lista;
+
+ lista = malloc(sizeof(t_atom)*x->voices);
+
// inizialize tables of notes
build_possible_notes_table(x);
// inizialize population
@@ -591,7 +638,7 @@ void generate_voicing(t_harmonizer *x)
if (DEBUG)
post("winner fitness = %i", fitness_evaluations[MAX_POPULATION-1].fitness);
- for (i=0;i<VOICES;i++)
+ for (i=0;i<x->voices;i++)
{
SETFLOAT(lista+i, x->population[winner][i]);
}
@@ -599,8 +646,9 @@ void generate_voicing(t_harmonizer *x)
// send output array to outlet
outlet_anything(x->l_out,
gensym("list") ,
- VOICES,
+ x->voices,
lista);
+ free(lista);
}
// if i want another voicing i can send a bang
@@ -613,13 +661,13 @@ void set_current_voices(t_harmonizer *x, t_symbol *sl, int argc, t_atom *argv)
{
int i=0;
- if (argc<VOICES)
+ if (argc<x->voices)
{
error("insufficient notes sent!");
return;
}
// fill input array with actual data sent to inlet
- for (i=0;i<VOICES;i++)
+ for (i=0;i<x->voices;i++)
{
x->current_voices[i] = atom_getint(argv++);
}
@@ -680,14 +728,28 @@ void set_small_intervals(t_harmonizer *x, t_floatarg f)
x->small_intervals = newval;
}
+void set_voices(t_harmonizer *x, t_floatarg f)
+{
+ int newval = (int) f;
+ if (newval<1)
+ {
+ error("number of voices must be > 0 !");
+ return;
+ }
+ x->voices = newval;
+ harmonizer_free(x);
+ harmonizer_allocate(x);
+}
+
void print_help(t_harmonizer *x)
{
post("");
post("harmonizer is an external that builds voicing");
- post("takes chords name and outputs a list of %i midi notes", VOICES);
+ post("takes chords name and outputs a list of midi notes");
post("available commands:");
post("current symbol: sets the current chord name (which chordwe are in)");
post("target symbol: sets the target chord name (which chord we want to go to)");
+ post("voices: sets the number of voices");
post("wideness float: now many octaves wide should the next chord be? must be > than 0");
post("set_center_note int: sets the desired center chord note, min 24 max 100");
post("i_like_parallelism float: do I want parallelism? from -1 (I don't want them) to 1 (I like them), 0 means I don't care, default = -1");
@@ -714,6 +776,12 @@ void *harmonizer_new(t_symbol *s, int argc, t_atom *argv)
x->wideness = DEF_WIDENESS;
x->i_like_parallelism = -1; // by default we don't like them!
x->small_intervals = 1; //by default we want small intervals
+ x->voices = VOICES;
+ if (argc>0)
+ {
+ x->voices = atom_getintarg(0, argc, argv);
+ }
+ harmonizer_allocate(x);
return (x);
}
@@ -731,6 +799,8 @@ void harmonizer_setup(void)
class_addmethod(harmonizer_class, (t_method)set_center_note, gensym("center_note"), A_DEFFLOAT, 0);
class_addmethod(harmonizer_class, (t_method)set_i_like_parallelism, gensym("i_like_parallelism"), A_DEFFLOAT, 0);
class_addmethod(harmonizer_class, (t_method)set_small_intervals, gensym("small_intervals"), A_DEFFLOAT, 0);
+ // set number of voices
+ class_addmethod(harmonizer_class, (t_method)set_voices, gensym("voices"), A_DEFFLOAT, 0);
}
diff --git a/test-harmonizer2.pd b/test-harmonizer2.pd
index a3bf592..099e127 100755
--- a/test-harmonizer2.pd
+++ b/test-harmonizer2.pd
@@ -1,575 +1,585 @@
-#N canvas 194 23 939 711 10;
-#X symbolatom 157 205 18 0 0 2 next_chord - -;
-#N canvas 39 349 535 332 readme 0;
-#X text 59 31 howto populate the graph: play the chord \, when the
-output of [chord] is ok bang the "add" message. bang it each time you
-change chord \, it will store the transitions;
-#X text 56 120 howto ask for the next chord: play the chord \, bang
-the "set" message \, this will set the current chord without adding
-it to the graph's memory \, now bang the next 1 message. this chord_graph
-will respond with the chord you played most of the times after the
-current chord. you can send "next x" where x is from 0 to 1 \, 0 =
-max novelty \, 1= min novelty;
-#X text 56 259 you can save graph state sending the write message;
-#X restore 607 47 pd readme;
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-#X msg 158 283 target \$1;
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--1;
-#X obj 157 261 symbol;
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-#X obj 355 262 int 60;
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-#X obj 494 259 int 76;
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--1 -1;
-#X msg 127 132 set \$1;
-#N canvas 0 22 714 424 midi 0;
-#X obj 141 253 outlet;
-#X obj 271 31 notein;
-#X obj 271 66 chord 59;
-#X msg 175 149 add \$1;
-#X obj 175 121 symbol;
-#X obj 176 94 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
--1;
-#X obj 248 163 symbol;
-#X obj 249 136 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
--1;
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-#X connect 1 0 2 0;
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-;
-#X obj 763 183 tabwrite vol;
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-#X obj 758 141 + 0.8;
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diff --git a/voicing_analyzer.c b/voicing_analyzer.c
index 703b74f..abd7675 100755
--- a/voicing_analyzer.c
+++ b/voicing_analyzer.c
@@ -34,20 +34,35 @@ static t_class *voicing_analyzer_class;
typedef struct _voicing_analyzer
{
t_object x_obj; // myself
- int current_voices[VOICES];
- int previous_voices[VOICES];
+ //int current_voices[VOICES];
+ //int previous_voices[VOICES];
+ int *current_voices;
+ int *previous_voices;
t_outlet *small_intervals_out, *i_like_parallelism_out,
*center_note_out, *wideness_out;
-
+ int voices;
} t_voicing_analyzer;
void voicing_analyzer_free(t_voicing_analyzer *x)
{
+ free(x->current_voices);
+ free(x->previous_voices);
// freebytes(x->buf_strum1, sizeof(x->buf_strum1));
// freebytes(x->buf_strum2, sizeof(x->buf_strum2));
}
+void voicing_analyzer_allocate(t_voicing_analyzer *x)
+{
+ int i;
+ x->current_voices = malloc(sizeof(int)*x->voices);
+ x->previous_voices = malloc(sizeof(int)*x->voices);
+ for (i=0; i<x->voices; i++)
+ {
+ x->current_voices[i] = 60;
+ x->previous_voices[i] = 60;
+ }
+}
// here i evaluate this voicing
void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelism, int *center_note, float *small_intervals)
@@ -56,18 +71,32 @@ void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelis
int min,max, distance;
short int chord_notes[4];
short int chord_notes_ok[4];
- short int transitions[VOICES];
- short int directions[VOICES];
+ //short int transitions[VOICES];
+ short int *transitions;
+ //short int directions[VOICES];
+ short int *directions;
// intervals between voices
// for parallel and hidden 5ths
// voices spacing etc..
- short int intervals[VOICES][VOICES];
- short int notes[VOICES];
+ //short int intervals[VOICES][VOICES];
+ short int **intervals;
+ //short int notes[VOICES];
+ short int *notes;
res = 0; // starting fitness
tmp = 0;
+ // allocate arrays
+ transitions = malloc(sizeof(short int)*x->voices);
+ directions = malloc(sizeof(short int)*x->voices);
+ notes = malloc(sizeof(short int)*x->voices);
+ intervals = malloc(sizeof(short int *) * x->voices);
+ for (i=0; i<x->voices; i++)
+ {
+ intervals[i] = malloc(sizeof(short int) * x->voices);
+ }
+
// shared objects
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
notes[i]=x->current_voices[i];
transitions[i] = x->current_voices[i] - x->previous_voices[i];
@@ -79,16 +108,16 @@ void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelis
post("directions[%i]=%i", i, directions[i]);
}
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
- for (j=i+1; j<VOICES; j++)
+ for (j=i+1; j<x->voices; j++)
{
intervals[i][j] = (x->current_voices[i] - x->current_voices[j])%12 ;
if (DEBUG_VERBOSE)
post("intervals[%i][%i]=%i", i, j, intervals[i][j]);
}
}
- SGLIB_ARRAY_SINGLE_QUICK_SORT(short int, notes, VOICES, SGLIB_NUMERIC_COMPARATOR)
+ SGLIB_ARRAY_SINGLE_QUICK_SORT(short int, notes, x->voices, SGLIB_NUMERIC_COMPARATOR)
sameDirection = 0;
parallel8_5 = 0;
@@ -106,9 +135,9 @@ void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelis
// parallel 5ths or octaves? (if yes return 0)
// how?
// hidden 8ths nor 5ths ?
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
- for (j=i+1; j<VOICES; j++)
+ for (j=i+1; j<x->voices; j++)
{
if (intervals[i][j]==7 || intervals[i][j]==0)
{
@@ -128,24 +157,24 @@ void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelis
*i_like_parallelism = (float) -1;
*i_like_parallelism += sameDirection;
if (parallel8_5)
- *i_like_parallelism += (float) ( ((float)parallel8_5) / ((float)(VOICES*(VOICES-1))) );
+ *i_like_parallelism += (float) ( ((float)parallel8_5) / ((float)(x->voices*(x->voices - 1))) );
// is voice spacing uniform ?(except for the bass)
// TODO: use notes[]
// are voices average centered?
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
tmp+=notes[i];
if (DEBUG_VERBOSE)
post("average note is %i at passage %i", tmp, i);
}
// this is the average note
- *center_note = tmp/(VOICES);
+ *center_note = tmp/(x->voices);
// are intervals small?
tmp=0;
- for (i=0; i<VOICES; i++)
+ for (i=0; i<x->voices; i++)
{
// if (DEBUG_VERBOSE)
// post("transitions[%i] = %i",i, transitions[i]);
@@ -171,16 +200,24 @@ void analyze_it(t_voicing_analyzer *x, float *wideness, float *i_like_parallelis
res -= 3;
}
- *small_intervals = (float) (((float) res) / ((float) (5 * VOICES)));
+ *small_intervals = (float) (((float) res) / ((float) (5 * x->voices)));
// now wideness
min = notes[0];
- max = notes[VOICES-1];
+ max = notes[x->voices-1];
distance = max - min;
*wideness = (float) (((float)distance) / ((float)12));
-
+ // free memory
+ free(transitions);
+ free(directions);
+ free(notes);
+ for (i=0; i<x->voices; i++)
+ {
+ free(intervals[i]);
+ }
+ free(intervals);
}
typedef struct fitness_list_element_t
@@ -193,12 +230,12 @@ typedef struct fitness_list_element_t
void analyze_voicing(t_voicing_analyzer *x)
{
- t_atom lista[VOICES];
+ t_atom lista[4];
float small_intervals=0;
float i_like_parallelism=0;
float wideness=0;
int center_note=0;
-
+
analyze_it(x, &wideness, &i_like_parallelism, &center_note, &small_intervals);
// order is important!
@@ -214,13 +251,13 @@ void set_current_voices(t_voicing_analyzer *x, t_symbol *sl, int argc, t_atom *a
{
int i=0;
- if (argc<VOICES)
+ if (argc<x->voices)
{
error("insufficient notes sent!");
return;
}
// fill input array with actual data sent to inlet
- for (i=0;i<VOICES;i++)
+ for (i=0;i<x->voices;i++)
{
x->previous_voices[i] = x->current_voices[i];
x->current_voices[i] = atom_getint(argv++);
@@ -231,13 +268,31 @@ void set_current_voices(t_voicing_analyzer *x, t_symbol *sl, int argc, t_atom *a
}
+void set_voices(t_voicing_analyzer *x, t_floatarg f)
+{
+ int newval = (int) f;
+ if (newval<1)
+ {
+ error("number of voices must be > 0 !");
+ return;
+ }
+ x->voices = newval;
+ voicing_analyzer_free(x);
+ voicing_analyzer_allocate(x);
+}
void print_help(t_voicing_analyzer *x)
{
post("");
post("voicing_analyzer is an external that analyze voicing");
- post("takes as input %i midi notes", VOICES);
+ post("takes as input a list of midi notes");
+ post("and send out 4 values (from left to right):");
+ post("1)the center note of the chord (average value)");
+ post("2)wideness of the chord (how many octaves)");
+ post("3)small intervals were used? (-1=no, 1=yes)");
+ post("4)parallelism was used? (parallel octaves and fifths) (-1=no, 1=yes)");
post("available commands:");
+ post("voices: changes the number of expected notes");
post("this externalis part of the frank framework");
post("authors: davide morelli, david casals");
@@ -252,12 +307,12 @@ void *voicing_analyzer_new(t_symbol *s, int argc, t_atom *argv)
x->wideness_out = outlet_new(&x->x_obj, gensym("float"));
x->small_intervals_out = outlet_new(&x->x_obj, gensym("float"));
x->i_like_parallelism_out = outlet_new(&x->x_obj, gensym("float"));
-
- for (i=0;i<VOICES;i++)
+ x->voices = VOICES;
+ if (argc>0)
{
- x->previous_voices[i] = 0;
- x->current_voices[i] = 0;
+ x->voices = atom_getintarg(0, argc, argv);
}
+ voicing_analyzer_allocate(x);
return (x);
}
@@ -268,6 +323,8 @@ void voicing_analyzer_setup(void)
(t_method)voicing_analyzer_free, sizeof(t_voicing_analyzer), CLASS_DEFAULT, A_GIMME, 0);
class_addmethod(voicing_analyzer_class, (t_method)print_help, gensym("help"),0, 0);
class_addlist(voicing_analyzer_class, (t_method)set_current_voices);
-
+ // set number of voices
+ class_addmethod(voicing_analyzer_class, (t_method)set_voices, gensym("voices"), A_DEFFLOAT, 0);
+
}
generated by cgit v1.2.1 (git 2.18.0) at 2025-02-23 14:28:21 +0000