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#include <string.h>
#ifndef __pdoctave_send_c_
#define __pdoctave_send_c_
#include "pdoctave.h" /* writing a command to octave */
#include "pdoctave_dataframe.h"
#include "m_pd.h"
static t_class *pdoctave_send_class;
typedef struct _PDOctaveSend_ PDOctaveSend;
struct _PDOctaveSend_
{
t_object x_obj;
SharedDataFrame *sdf;
char oct_command[150];
char *oct_name;
void *data;
};
static void *newPDOctaveSend (t_symbol *s, int argc, t_atom *argv)
{
PDOctaveSend *pdoctsnd_obj = (PDOctaveSend *)
pd_new (pdoctave_send_class);
t_symbol *name;
if (getPDOctaveInstances()<1) {
error("Octave not running, insert a 'pdoctave' object!!");
return 0;
}
if (argc>0)
name = atom_getsymbol(argv);
else
name = gensym ("pdm1");
if ((pdoctsnd_obj->sdf = newSharedDataFrame ())==0) {
error("pdoctave_send: failed to get shared memory");
return 0;
}
pdoctsnd_obj->data = 0;
pdoctsnd_obj->oct_name = name->s_name;
return ((void *) pdoctsnd_obj);
}
static void pDOctaveSendBang (PDOctaveSend *pdoctsnd_obj)
{
char *cmd;
strcpy(pdoctsnd_obj->oct_command, pdoctsnd_obj->oct_name);
cmd = pdoctsnd_obj->oct_command + strlen(pdoctsnd_obj->oct_name);
strcpy(cmd, "=read_shared_mem(");
cmd += 17;
sprintf(cmd, "%d", getSharedDataFrameId(pdoctsnd_obj->sdf));
cmd = cmd+strlen(cmd);
strcpy (cmd, ");\n");
writeToOctaveStdIN (pdoctsnd_obj->oct_command);
freeSharedData (pdoctsnd_obj->sdf, &(pdoctsnd_obj->data));
//removeSharedData (pdoctsnd_obj->sdf, &(pdoctsnd_obj->data));
}
static void copyFloats (float *f, t_atom *a, int n)
{
for (;n--;a++,f++)
*f = atom_getfloat(a);
}
static DatTyp pdSelectorClassify (char *selector)
{
DatTyp pdtyp;
if (!strcmp (selector, "matrix"))
pdtyp = MATRIX;
else if (!strcmp (selector, "float"))
pdtyp = FLOAT;
else if (!strcmp (selector, "list"))
pdtyp = LIST;
else if (!strcmp (selector, "symbol"))
pdtyp = SYMBOL;
else
pdtyp = UNKNOWN;
return pdtyp;
}
static void pDOctaveSend (PDOctaveSend *pdoctsnd_obj,
t_symbol *s, int argc, t_atom *argv)
{
DatTyp pdtyp;
SharedDataFrame *sdf;
char *selector = s->s_name;
t_symbol *symptr;
float *f;
char *c;
int count = argc;
pdtyp = pdSelectorClassify (selector);
sdf = pdoctsnd_obj->sdf;
//sleepUntilWriteUnBlocked (sdf, STD_USLEEP_TIME);
if ((sleepUntilWriteUnBlocked (sdf))==0) {
error("pdoctave_send: pd and octave scheduling error, restart pd");
return;
}
blockForWriting (sdf);
if (pdoctsnd_obj->data)
removeSharedData (sdf, &(pdoctsnd_obj->data));
if (pdtyp != SYMBOL) {
if (pdoctsnd_obj->data = newSharedData (sdf, argc, sizeof(float), pdtyp)) {
f = (float *) pdoctsnd_obj->data;
copyFloats (f, argv, argc);
}
else {
post("pdoctave_send: allocation of shared memory size %d bytes failed!",
sizeof(float) * argc);
return;
}
}
else {
symptr = atom_getsymbol (argv);
if (pdoctsnd_obj->data = newSharedData (sdf, strlen(symptr->s_name)+1, sizeof(char), pdtyp)) {
c = (char *) pdoctsnd_obj->data;
strcpy (c, symptr->s_name);
}
else {
post("pdoctave_send: allocation of shared memory size %d bytes failed!",
sizeof(char) * (strlen(symptr->s_name)+1));
return;
}
}
blockForReading (sdf);
freeSharedData (sdf, &(pdoctsnd_obj->data));
pDOctaveSendBang (pdoctsnd_obj);
if ((sleepUntilReadUnBlocked (sdf))==0) {
error("pdoctave_send: pd and octave scheduling error, restart pd");
return;
}
unBlockForWriting (sdf);
}
static void deletePDOctaveSend (PDOctaveSend *pdoctsnd_obj)
{
removeSharedData (pdoctsnd_obj->sdf, &(pdoctsnd_obj->data));
removeSharedDataFrame (&(pdoctsnd_obj->sdf));
}
void pdoctave_send_setup (void)
{
pdoctave_send_class = class_new
(gensym("pdoctave_send"),
(t_newmethod) newPDOctaveSend,
(t_method) deletePDOctaveSend,
sizeof (PDOctaveSend),
CLASS_DEFAULT, A_GIMME, 0);
class_addbang (pdoctave_send_class, (t_method) pDOctaveSendBang);
class_addanything (pdoctave_send_class, (t_method) pDOctaveSend);
post("pdoctave_send successfully loaded");
}
#endif
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