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#include "m_pd.h"
/*
typedef struct _param_inlet2
{
t_object x_obj;
t_param *p_owner;
} t_param_inlet2;
*/
struct putget {
t_symbol* name;
t_sample a[64];
t_sample b[64];
t_sample* w;
t_sample* r;
int writers;
//int written;
int users;
struct putget* next;
struct putget* previous;
t_clock* clock;
int armed;
};
struct putget* PUTGETS;
// This should be triggered by the clock
static void putget_swap(struct putget* pg) {
//post("clock");
t_sample* temp = pg->r;
pg->r = pg->w;
pg->w = temp;
int i;
t_sample* samples = pg->w;
for (i=0;i<64;i++) {
*samples++ = 0;
}
pg->armed = 0;
//if (pg == NULL) post("ouc");
//pg->written = 0;
}
static struct putget* putget_register(t_symbol* name, int is_writer) {
struct putget* new_putget;
is_writer = is_writer ? 1 : 0;
struct putget* pg = PUTGETS;
if ( pg != NULL) {
// Search for previous putget
while( pg ) {
if ( pg->name == name) {
//#ifdef PARAMDEBUG
// post("Found put/get with same name");
//#endif
pg->writers = pg->writers + is_writer;
pg->users = pg->users + 1;
return pg;
}
if ( pg->next == NULL ) break;
pg = pg->next;
}
}
//post("Appending new put/get");
// Append new putget
new_putget = getbytes(sizeof(*new_putget));
new_putget->name = name;
new_putget->writers = is_writer;
new_putget->users = 1;
new_putget->armed = 0;
new_putget->clock = clock_new(new_putget, (t_method)putget_swap);
new_putget->r = new_putget->a;
new_putget->w = new_putget->b;
new_putget->previous = pg;
if ( pg) {
pg->next = new_putget;
} else {
PUTGETS = new_putget;
}
return new_putget;
}
static void putget_unregister(struct putget* pg, int is_writer) {
//post("Trying to remove %s",pg->name->s_name);
if ( is_writer) pg->writers = pg->writers - 1;
pg->users = pg->users - 1;
if ( pg->users <= 0) {
//post("Removing last put/get of this name");
if (pg->previous) {
pg->previous->next = pg->next;
if (pg->next) pg->next->previous = pg->previous;
} else {
PUTGETS = pg->next;
if ( pg->next != NULL) pg->next->previous = NULL;
}
clock_free(pg->clock);
freebytes(pg, sizeof *(pg) );
}
}
static void putget_arm(struct putget* pg) {
if (!pg->armed) {
pg->armed = 1;
clock_delay(pg->clock, 0);
}
}
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