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-rw-r--r--modules/generic/Makefile15
-rw-r--r--modules/generic/README2
-rw-r--r--modules/generic/pdp_convert.c104
-rw-r--r--modules/generic/pdp_del.c193
-rw-r--r--modules/generic/pdp_description.c98
-rw-r--r--modules/generic/pdp_inspect.c124
-rw-r--r--modules/generic/pdp_loop.c296
-rw-r--r--modules/generic/pdp_rawin.c299
-rw-r--r--modules/generic/pdp_rawout.c320
-rw-r--r--modules/generic/pdp_reg.c170
-rw-r--r--modules/generic/pdp_route.c146
-rw-r--r--modules/generic/pdp_snap.c120
-rw-r--r--modules/generic/pdp_trigger.c192
-rw-r--r--modules/generic/pdp_udp_receive.c203
-rw-r--r--modules/generic/pdp_udp_send.c336
15 files changed, 2618 insertions, 0 deletions
diff --git a/modules/generic/Makefile b/modules/generic/Makefile
new file mode 100644
index 0000000..035f970
--- /dev/null
+++ b/modules/generic/Makefile
@@ -0,0 +1,15 @@
+current: all_modules
+
+include ../../Makefile.config
+
+PDP_MOD = pdp_reg.o pdp_del.o pdp_snap.o pdp_trigger.o \
+ pdp_route.o pdp_inspect.o pdp_loop.o pdp_description.o pdp_convert.o \
+ pdp_udp_send.o pdp_udp_receive.o pdp_rawin.o pdp_rawout.o
+
+# build generic modules
+all_modules: $(PDP_MOD)
+
+clean:
+ rm -f *~
+ rm -f *.o
+
diff --git a/modules/generic/README b/modules/generic/README
new file mode 100644
index 0000000..2c8bff0
--- /dev/null
+++ b/modules/generic/README
@@ -0,0 +1,2 @@
+This directory contains generic packet processors (i.e. containers).
+Should work with any packet type.
diff --git a/modules/generic/pdp_convert.c b/modules/generic/pdp_convert.c
new file mode 100644
index 0000000..cc7dd8c
--- /dev/null
+++ b/modules/generic/pdp_convert.c
@@ -0,0 +1,104 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+
+
+typedef struct pdp_convert_struct
+{
+ t_object x_obj;
+ t_symbol *x_type_mask;
+ t_outlet *x_outlet0;
+ int x_packet0;
+
+} t_pdp_convert;
+
+
+
+static void pdp_convert_type_mask(t_pdp_convert *x, t_symbol *s)
+{
+ x->x_type_mask = s;
+}
+
+static void pdp_convert_input_0(t_pdp_convert *x, t_symbol *s, t_floatarg f)
+{
+ int p = (int)f;
+ int passes, i;
+
+ if (s== gensym("register_ro")){
+ pdp_packet_mark_unused(x->x_packet0);
+ if (x->x_type_mask->s_name[0])
+ x->x_packet0 = pdp_packet_convert_ro(p, pdp_gensym(x->x_type_mask->s_name));
+ else
+ x->x_packet0 = pdp_packet_copy_ro(p);
+ }
+
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0)){
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet0);
+ }
+}
+
+
+t_class *pdp_convert_class;
+
+
+
+void pdp_convert_free(t_pdp_convert *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+void *pdp_convert_new(t_symbol *s)
+{
+ t_pdp_convert *x = (t_pdp_convert *)pd_new(pdp_convert_class);
+
+ x->x_type_mask = s;
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_packet0 = -1;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_convert_setup(void)
+{
+
+
+ pdp_convert_class = class_new(gensym("pdp_convert"), (t_newmethod)pdp_convert_new,
+ (t_method)pdp_convert_free, sizeof(t_pdp_convert), 0, A_DEFSYMBOL, A_NULL);
+
+
+ class_addmethod(pdp_convert_class, (t_method)pdp_convert_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addsymbol(pdp_convert_class, (t_method)pdp_convert_type_mask);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_del.c b/modules/generic/pdp_del.c
new file mode 100644
index 0000000..4b51023
--- /dev/null
+++ b/modules/generic/pdp_del.c
@@ -0,0 +1,193 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+
+
+typedef struct pdp_del_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ t_outlet **x_outlet;
+
+ int *x_packet;
+ int x_order;
+ int x_head;
+ int x_delay;
+} t_pdp_del;
+
+
+
+
+
+static void pdp_del_input_0(t_pdp_del *x, t_symbol *s, t_floatarg f)
+{
+ int in;
+ int out;
+ int packet;
+
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+ /* if this is a process message, start the processing + propagate stuff to outputs */
+
+ if (s == gensym("register_ro")){
+ in = (x->x_head % x->x_order);
+ //post("pdp_del: marking unused packed id=%d on loc %d", x->x_packet[0], in);
+ pdp_packet_mark_unused(x->x_packet[in]);
+ packet = pdp_packet_copy_ro((int)f);
+
+
+ // TODO TODO TODO !!!!
+
+ //pdp_packet_print_debug((int)f);
+
+
+
+
+ x->x_packet[in] = packet;
+ //post("pdp_del: writing packed id=%d on loc %d", packet, in);
+ }
+ else if (s == gensym("process")){
+ out = (((x->x_head + x->x_delay)) % x->x_order);
+ packet = x->x_packet[out];
+ pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet[out]);
+
+/*
+ if (-1 != packet){
+ //post("pdp_del: packet %d has id %d", out, packet);
+ pdp_packet_mark_unused(packet);
+ outlet_pdp(x->x_outlet0, packet);
+ x->x_packet[out] = -1;
+ }
+
+
+ else {
+ //post("pdp_del: packet %d is empty", out);
+ }
+*/
+
+ x->x_head = (x->x_head + x->x_order - 1) % x->x_order;
+ }
+
+
+}
+
+
+
+
+
+static void pdp_del_delay(t_pdp_del *x, t_floatarg fdel)
+{
+ int del = (int)fdel;
+ if (del < 0) del = 0;
+ if (del >= x->x_order) del = x->x_order - 1;
+
+ x->x_delay = del;
+
+}
+
+static void pdp_del_reset(t_pdp_del *x)
+{
+ int i;
+ for (i=0; i<x->x_order; i++) {
+ pdp_packet_mark_unused(x->x_packet[i]);
+ x->x_packet[i] = -1;
+ }
+ x->x_head = 0;
+
+}
+
+static void pdp_del_debug(t_pdp_del *x)
+{
+ int i;
+ post ("order %d", x->x_order);
+ post ("delay %d", x->x_delay);
+ post ("head %d", x->x_head);
+ for (i=0; i<x->x_order; i++) {
+ post("%d ", x->x_packet[i]);
+ }
+}
+
+static void pdp_del_free(t_pdp_del *x)
+{
+ pdp_del_reset(x);
+ pdp_dealloc (x->x_packet);
+}
+
+t_class *pdp_del_class;
+
+
+
+void *pdp_del_new(t_floatarg forder, t_floatarg fdel)
+{
+ int order = (int)forder;
+ int del;
+ int logorder;
+ int i;
+ t_pdp_del *x = (t_pdp_del *)pd_new(pdp_del_class);
+
+ del = order;
+ order++;
+
+ if (del < 0) del = 0;
+ if (order <= 2) order = 2;
+
+ //post("pdp_del: order = %d", order);
+
+ x->x_order = order;
+ x->x_packet = (int *)pdp_alloc(sizeof(int)*order);
+ for(i=0; i<order; i++) x->x_packet[i] = -1;
+ x->x_delay = del;
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("delay"));
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_del_setup(void)
+{
+
+
+ pdp_del_class = class_new(gensym("pdp_del"), (t_newmethod)pdp_del_new,
+ (t_method)pdp_del_free, sizeof(t_pdp_del), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_del_class, (t_method)pdp_del_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_del_class, (t_method)pdp_del_delay, gensym("delay"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_del_class, (t_method)pdp_del_reset, gensym("reset"), A_NULL);
+
+ class_addmethod(pdp_del_class, (t_method)pdp_del_debug, gensym("_debug"), A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_description.c b/modules/generic/pdp_description.c
new file mode 100644
index 0000000..4f2ff13
--- /dev/null
+++ b/modules/generic/pdp_description.c
@@ -0,0 +1,98 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+
+
+
+typedef struct pdp_description_struct
+{
+ t_object x_obj;
+ t_outlet *x_outlet;
+
+} t_pdp_description;
+
+
+
+
+static void pdp_description_input_pdp(t_pdp_description *x, t_symbol *s, t_floatarg f)
+{
+ int p = (int)f;
+ t_symbol *rro = S_REGISTER_RO;
+
+ if (rro == s){
+ outlet_symbol(x->x_outlet, gensym(pdp_packet_get_description(p)->s_name));
+ }
+}
+
+static void pdp_description_input_dpd(t_pdp_description *x, t_symbol *s, t_floatarg f)
+{
+ int p = (int)f;
+ t_symbol *ins = S_INSPECT;
+
+ if (ins == s){
+ outlet_symbol(x->x_outlet, gensym(pdp_packet_get_description(p)->s_name));
+ }
+}
+
+
+static void pdp_description_free(t_pdp_description *x)
+{
+
+}
+
+t_class *pdp_description_class;
+
+
+
+static void *pdp_description_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_pdp_description *x = (t_pdp_description *)pd_new(pdp_description_class);
+
+ x->x_outlet = outlet_new(&x->x_obj, &s_symbol);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_description_setup(void)
+{
+
+
+ pdp_description_class = class_new(gensym("pdp_description"), (t_newmethod)pdp_description_new,
+ (t_method)pdp_description_free, sizeof(t_pdp_description), 0, A_NULL);
+
+ class_addmethod(pdp_description_class, (t_method)pdp_description_input_pdp, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_description_class, (t_method)pdp_description_input_dpd, gensym("dpd"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_inspect.c b/modules/generic/pdp_inspect.c
new file mode 100644
index 0000000..b669475
--- /dev/null
+++ b/modules/generic/pdp_inspect.c
@@ -0,0 +1,124 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+
+/* adapted from the pd trigger object */
+
+#define TR_BANG 0
+#define TR_FLOAT 1
+#define TR_SYMBOL 2
+#define TR_POINTER 3
+#define TR_LIST 4
+#define TR_ANYTHING 5
+#define TR_PDP 6
+
+/*
+
+$$$TODO: emplement so that it behaves like the standard trigger object
+
+i.e. [trigger bang pdp pdp bang pdp]
+
+register_ro and register_rw messages pass right trough,
+since they're not action events, only configure events.
+a bang is made equivalent to a process event.
+
+*/
+
+typedef struct pdp_inspect_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet;
+
+} t_pdp_inspect;
+
+
+
+
+static void pdp_inspect_input_0(t_pdp_inspect *x, t_symbol *s, t_floatarg f)
+{
+ t_atom atom[2];
+ t_symbol *pdp = gensym("pdp");
+ t_symbol *prc = gensym("process");
+ t_symbol *rro = gensym("register_ro");
+ int i;
+
+
+ /* if there is a reg_ro, shortcut the right outlet */
+ if (s == rro){
+ SETSYMBOL(atom+0, s);
+ SETFLOAT(atom+1, f);
+ outlet_anything(x->x_outlet, pdp, 2, atom);
+ SETSYMBOL(atom+0, prc);
+ outlet_anything(x->x_outlet, pdp, 1, atom);
+ }
+
+
+}
+
+
+
+static void pdp_inspect_free(t_pdp_inspect *x)
+{
+
+}
+
+t_class *pdp_inspect_class;
+
+
+
+static void *pdp_inspect_new(void)
+{
+ t_pdp_inspect *x = (t_pdp_inspect *)pd_new(pdp_inspect_class);
+
+
+ x->x_outlet = outlet_new(&x->x_obj, &s_anything);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_inspect_setup(void)
+{
+
+
+ pdp_inspect_class = class_new(gensym("pdp_inspect_ro"), (t_newmethod)pdp_inspect_new,
+ (t_method)pdp_inspect_free, sizeof(t_pdp_inspect), 0, A_GIMME, A_NULL);
+
+ class_addcreator((t_newmethod)pdp_inspect_new, gensym("pdp_t"), A_GIMME, 0);
+
+ class_addmethod(pdp_inspect_class, (t_method)pdp_inspect_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_loop.c b/modules/generic/pdp_loop.c
new file mode 100644
index 0000000..259eb8f
--- /dev/null
+++ b/modules/generic/pdp_loop.c
@@ -0,0 +1,296 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+/*
+
+ pdp_loop: a looping packet delay line
+ messages:
+ record x: start recording at position x (default = 0)
+ stop: stop recording
+ float: output packet at position
+ bang: output next packet
+ rewind: rewind
+ loop: set looping mode
+
+*/
+
+
+#include "pdp.h"
+#include "pdp_internals.h"
+
+
+typedef struct pdp_loop_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+ t_outlet *x_outlet1;
+
+ int *x_packet;
+ int x_order; /* size of the packet loop */
+ int x_play_head; /* next position to play back */
+ int x_record_head; /* next position to record to */
+
+ int x_loop;
+ int x_recording_frames; /* nb frames left to record */
+ //int x_recording_shot; /* single frame recording is on */
+} t_pdp_loop;
+
+
+
+
+
+static void pdp_loop_input_0(t_pdp_loop *x, t_symbol *s, t_floatarg f)
+{
+ int in;
+ int out;
+ int packet;
+
+
+ /* if recording is off, ignore packet */
+ if ((!x->x_recording_frames)) return;
+
+ /* store a packet on register ro */
+ if (s == gensym("register_ro")){
+
+ /* delete old & store new */
+ in = x->x_record_head; //% x->x_order;
+ pdp_packet_mark_unused(x->x_packet[in]);
+ packet = pdp_packet_copy_ro((int)f);
+ x->x_packet[in] = packet;
+
+ /* advance head & decrease record counter */
+ x->x_recording_frames--;
+ x->x_record_head++;
+
+ /* turn off recording if we are at the end */
+ if (x->x_record_head == x->x_order) x->x_recording_frames = 0;
+ }
+}
+
+
+static void pdp_loop_bang(t_pdp_loop *x){
+ int out;
+ int packet;
+
+ out = x->x_play_head;
+
+ /* don't play if we're at the end of the sequence and looping is disabled */
+ if ((!x->x_loop) && (out >= x->x_order)) return;
+
+ /* wrap index */
+ out %= x->x_order;
+
+ /* output the current packet */
+ packet = x->x_packet[out];
+ outlet_float(x->x_outlet1, (float)out); // output location
+ if (-1 != packet) outlet_pdp(x->x_outlet0, packet); // output packet
+
+ /* advance playback head */
+ x->x_play_head++;
+
+}
+
+
+
+
+
+
+static void pdp_loop_reset(t_pdp_loop *x)
+{
+ int i;
+ for (i=0; i<x->x_order; i++) {
+ pdp_packet_mark_unused(x->x_packet[i]);
+ x->x_packet[i] = -1;
+ }
+ x->x_play_head = 0;
+ x->x_record_head = 0;
+
+}
+
+static void pdp_loop_record(t_pdp_loop *x, t_floatarg fstart, t_floatarg fdur)
+{
+ int istart = (int)fstart;
+ int idur = (int)fdur;
+ istart %= x->x_order;
+ if (istart<0) istart+= x->x_order;
+ if (idur <= 0) idur = x->x_order - istart;
+
+ x->x_record_head = istart;
+ x->x_recording_frames = idur;
+}
+
+static void pdp_loop_store(t_pdp_loop *x, t_floatarg f)
+{
+ int i = (int)f;
+ i %= x->x_order;
+ if (i<0) i+= x->x_order;
+
+ x->x_record_head = i;
+ x->x_recording_frames = 1;
+}
+
+static void pdp_loop_seek(t_pdp_loop *x, t_floatarg f)
+{
+ int i = (int)f;
+ i %= x->x_order;
+ if (i<0) i+= x->x_order;
+
+ x->x_play_head = i;
+}
+
+static void pdp_loop_seek_hot(t_pdp_loop *x, t_floatarg f)
+{
+ pdp_loop_seek(x, f);
+ pdp_loop_bang(x);
+}
+
+
+static void pdp_loop_stop(t_pdp_loop *x)
+{
+ x->x_recording_frames = 0;
+}
+
+static void pdp_loop_loop(t_pdp_loop *x, t_floatarg f)
+{
+ if (f == 0.0f) x->x_loop = 0;
+ if (f == 1.0f) x->x_loop = 1;
+
+}
+static void pdp_loop_free(t_pdp_loop *x)
+{
+ pdp_loop_reset(x);
+ pdp_dealloc (x->x_packet);
+}
+
+static int pdp_loop_realsize(float f)
+{
+ int order = (int)f;
+ if (order <= 2) order = 2;
+ return order;
+}
+
+
+static void pdp_loop_resize(t_pdp_loop *x, t_floatarg f)
+{
+ int i;
+ int order = pdp_loop_realsize(f);
+ int *newloop;
+
+ /* if size didn't change, do nothing */
+ if (x->x_order == order) return;
+
+ /* create new array */
+ newloop = (int *)pdp_alloc(sizeof(int) * order);
+
+
+ /* extend it */
+ if (x->x_order < order){
+
+ /* copy old packets */
+ for (i=0; i<x->x_order; i++) newloop[i] = x->x_packet[i];
+
+ /* loop extend the rest */
+ for (i=x->x_order; i<order; i++) newloop[i] = pdp_packet_copy_ro(x->x_packet[i % x->x_order]);
+
+ }
+
+ /* or shrink it */
+ else {
+ /* copy part of old packets */
+ for (i=0; i<order; i++) newloop[i] = x->x_packet[i];
+
+ /* delete the other part of old packets */
+ for (i=order; i<x->x_order; i++) pdp_packet_mark_unused(x->x_packet[i]);
+
+ /* adjust heads */
+ x->x_play_head %= order;
+ x->x_record_head %= order;
+
+ }
+
+ /* delete old line & store new */
+ pdp_dealloc (x->x_packet);
+ x->x_packet = newloop;
+ x->x_order = order;
+
+
+}
+
+
+t_class *pdp_loop_class;
+
+
+
+void *pdp_loop_new(t_floatarg f)
+{
+ int i;
+ int order = pdp_loop_realsize(f);
+ t_pdp_loop *x = (t_pdp_loop *)pd_new(pdp_loop_class);
+
+ x->x_order = order;
+ x->x_packet = (int *)pdp_alloc(sizeof(int)*order);
+ for(i=0; i<order; i++) x->x_packet[i] = -1;
+
+ x->x_play_head = 0;
+ x->x_record_head = 0;
+ x->x_recording_frames = 0;
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("seek"));
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_outlet1 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_loop = 1;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_loop_setup(void)
+{
+
+
+ pdp_loop_class = class_new(gensym("pdp_loop"), (t_newmethod)pdp_loop_new,
+ (t_method)pdp_loop_free, sizeof(t_pdp_loop), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_record, gensym("record"), A_DEFFLOAT, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_store, gensym("store"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_reset, gensym("reset"), A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_bang, gensym("bang"), A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_stop, gensym("stop"), A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_seek, gensym("seek"), A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_resize, gensym("size"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_loop_class, (t_method)pdp_loop_loop, gensym("loop"), A_FLOAT, A_NULL);
+ class_addfloat(pdp_loop_class, (t_method)pdp_loop_seek_hot);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_rawin.c b/modules/generic/pdp_rawin.c
new file mode 100644
index 0000000..28ef8fb
--- /dev/null
+++ b/modules/generic/pdp_rawin.c
@@ -0,0 +1,299 @@
+/*
+ * Pure Data Packet module. packet forth console
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <time.h>
+#include <fcntl.h>
+#include "pdp_pd.h"
+#include "pdp_debug.h"
+#include "pdp_list.h"
+#include "pdp_comm.h"
+#include "pdp_post.h"
+#include "pdp_packet.h"
+
+
+#define PERIOD 1.0f
+#define D if (1)
+
+
+
+
+/* raw input from a unix pipe */
+
+typedef struct rawin_struct
+{
+ /* pd */
+ t_object x_obj;
+ t_outlet *x_outlet;
+ t_outlet *x_sync_outlet;
+ t_clock *x_clock;
+
+ /* comm */
+ t_pdp_list *x_queue; // packet queue
+
+ /* thread */
+ pthread_mutex_t x_mut;
+ pthread_attr_t x_attr;
+ pthread_t x_thread;
+
+ /* sync */
+ int x_giveup; // 1-> terminate reader thread
+ int x_active; // 1-> reader thread is launched
+ int x_done; // 1-> reader thread has exited
+
+ /* config */
+ t_symbol *x_pipe;
+ t_pdp_symbol *x_type;
+
+} t_rawin;
+
+
+static inline void lock(t_rawin *x){pthread_mutex_lock(&x->x_mut);}
+static inline void unlock(t_rawin *x){pthread_mutex_unlock(&x->x_mut);}
+
+static void rawin_close(t_rawin *x);
+static void tick(t_rawin *x)
+{
+ /* send all packets in queue to outlet */
+ lock(x);
+ while (x->x_queue->elements){
+ outlet_pdp_atom(x->x_outlet, x->x_queue->first);
+ pdp_list_pop(x->x_queue); // pop stale reference
+ }
+ unlock(x);
+ clock_delay(x->x_clock, PERIOD);
+
+ /* check if thread is done */
+ if (x->x_done) rawin_close(x);
+
+}
+
+static void move_current_to_queue(t_rawin *x, int packet)
+{
+ lock(x);
+ pdp_list_add_back(x->x_queue, a_packet, (t_pdp_word)packet);
+ unlock(x);
+}
+
+static void *rawin_thread(void *y)
+{
+ int pipe;
+ int packet = -1;
+ t_rawin *x = (t_rawin *)y;
+ int period_sec;
+ int period_usec;
+
+
+ //D pdp_post("pipe: %s", x->x_pipe->s_name);
+ //D pdp_post("type: %s", x->x_type->s_name);
+
+ /* open pipe */
+ if (-1 == (pipe = open(x->x_pipe->s_name, O_RDONLY|O_NONBLOCK))){
+ perror(x->x_pipe->s_name);
+ goto exit;
+ }
+
+ /* main loop (packets) */
+ while(1){
+ void *data = 0;
+ int left = -1;
+
+ /* create packet */
+ if (-1 != packet){
+ pdp_post("WARNING: deleting stale packet");
+ pdp_packet_mark_unused(packet);
+ }
+ packet = pdp_factory_newpacket(x->x_type);
+ if (-1 == packet){
+ pdp_post("ERROR: can't create packet. type = %s", x->x_type->s_name);
+ goto exit;
+ }
+
+ /* fill packet */
+ data = pdp_packet_data(packet);
+ left = pdp_packet_data_size(packet);
+ // D pdp_post("packet %d, data %x, size %d", packet, data, left);
+
+ /* inner loop: pipe reads */
+ while(left){
+
+ fd_set inset;
+ struct timeval tv = {0,10000};
+
+ /* check if we need to stop */
+ if (x->x_giveup){
+ pdp_packet_mark_unused(packet);
+ goto close;
+ }
+ /* select, with timeout */
+ FD_ZERO(&inset);
+ FD_SET(pipe, &inset);
+ if (-1 == select(pipe+1, &inset, NULL,NULL, &tv)){
+ pdp_post("select error");
+ goto close;
+ }
+
+ /* if ready, read, else retry */
+ if (FD_ISSET(pipe, &inset)){
+ int bytes = read(pipe, data, left);
+ if (!bytes){
+ /* if no bytes are read, pipe is closed */
+ goto close;
+ }
+ data += bytes;
+ left -= bytes;
+ }
+ }
+
+ /* move to queue */
+ move_current_to_queue(x, packet);
+ packet = -1;
+
+
+
+ }
+
+ close:
+ /* close pipe */
+ close(pipe);
+
+
+ exit:
+ x->x_done = 1;
+ return 0;
+}
+
+
+
+static void rawin_type(t_rawin *x, t_symbol *type)
+{
+ x->x_type = pdp_gensym(type->s_name);
+}
+
+static void rawin_open(t_rawin *x, t_symbol *pipe)
+{
+ /* save pipe name if not empty */
+ if (pipe->s_name[0]) {x->x_pipe = pipe;}
+
+ if (x->x_active) {
+ pdp_post("already open");
+ return;
+ }
+ /* start thread */
+ x->x_giveup = 0;
+ x->x_done = 0;
+ pthread_create(&x->x_thread, &x->x_attr, rawin_thread , x);
+ x->x_active = 1;
+}
+
+static void rawin_close(t_rawin *x)
+{
+
+ if (!x->x_active) return;
+
+ /* stop thread: set giveup + wait */
+ x->x_giveup = 1;
+ pthread_join(x->x_thread, NULL);
+ x->x_active = 0;
+
+ /* notify */
+ outlet_bang(x->x_sync_outlet);
+ pdp_post("connection to %s closed", x->x_pipe->s_name);
+
+
+
+
+
+}
+
+static void rawin_free(t_rawin *x)
+{
+ rawin_close(x);
+ clock_free(x->x_clock);
+ pdp_tree_strip_packets(x->x_queue);
+ pdp_tree_free(x->x_queue);
+}
+
+t_class *rawin_class;
+
+
+static void *rawin_new(t_symbol *pipe, t_symbol *type)
+{
+ t_rawin *x;
+
+ pdp_post("%s %s", pipe->s_name, type->s_name);
+
+ /* allocate & init */
+ x = (t_rawin *)pd_new(rawin_class);
+ x->x_outlet = outlet_new(&x->x_obj, &s_anything);
+ x->x_sync_outlet = outlet_new(&x->x_obj, &s_anything);
+ x->x_clock = clock_new(x, (t_method)tick);
+ x->x_queue = pdp_list_new(0);
+ x->x_active = 0;
+ x->x_giveup = 0;
+ x->x_done = 0;
+ x->x_type = pdp_gensym("image/YCrCb/320x240"); //default
+ x->x_pipe = gensym("/tmp/pdpraw"); // default
+ pthread_attr_init(&x->x_attr);
+ pthread_mutex_init(&x->x_mut, NULL);
+ clock_delay(x->x_clock, PERIOD);
+
+ /* args */
+ rawin_type(x, type);
+ if (pipe->s_name[0]) x->x_pipe = pipe;
+
+ return (void *)x;
+
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_rawin_setup(void)
+{
+ int i;
+
+ /* create a standard pd class: [pdp_rawin pipe type] */
+ rawin_class = class_new(gensym("pdp_rawin"), (t_newmethod)rawin_new,
+ (t_method)rawin_free, sizeof(t_rawin), 0, A_DEFSYMBOL, A_DEFSYMBOL, A_NULL);
+
+ /* add global message handler */
+ class_addmethod(rawin_class, (t_method)rawin_type, gensym("type"), A_SYMBOL, A_NULL);
+ class_addmethod(rawin_class, (t_method)rawin_open, gensym("open"), A_DEFSYMBOL, A_NULL);
+ class_addmethod(rawin_class, (t_method)rawin_close, gensym("close"), A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_rawout.c b/modules/generic/pdp_rawout.c
new file mode 100644
index 0000000..e1e9edf
--- /dev/null
+++ b/modules/generic/pdp_rawout.c
@@ -0,0 +1,320 @@
+/*
+ * Pure Data Packet module. packet forth console
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <time.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <signal.h>
+#include "pdp_pd.h"
+#include "pdp_debug.h"
+#include "pdp_list.h"
+#include "pdp_comm.h"
+#include "pdp_post.h"
+#include "pdp_packet.h"
+
+
+#define D if (1)
+#define MAX_QUEUESIZE 4
+#define PIPE_BLOCKSIZE 4096
+
+
+
+
+/* raw input from a unix pipe */
+
+typedef struct rawout_struct
+{
+ /* pd */
+ t_object x_obj;
+ //t_outlet *x_outlet;
+ t_outlet *x_sync_outlet;
+
+ /* comm */
+ t_pdp_list *x_queue; // packet queue
+
+ /* thread */
+ pthread_mutex_t x_mut;
+ pthread_attr_t x_attr;
+ pthread_t x_thread;
+
+ /* sync */
+ int x_giveup; // 1-> terminate writer thread
+ int x_active; // 1-> writer thread is launched
+ int x_done; // 1-> writer thread has exited
+
+ /* config */
+ t_symbol *x_pipe;
+ t_pdp_symbol *x_type;
+
+} t_rawout;
+
+
+static inline void lock(t_rawout *x){pthread_mutex_lock(&x->x_mut);}
+static inline void unlock(t_rawout *x){pthread_mutex_unlock(&x->x_mut);}
+
+static void rawout_close(t_rawout *x);
+static void pdp_in(t_rawout *x, t_symbol *s, t_float f)
+{
+ /* save packet to pdp queue, if size is smaller than maxsize */
+ if (s == S_REGISTER_RO){
+ if (x->x_queue->elements < MAX_QUEUESIZE){
+ int p = (int)f;
+ p = pdp_packet_copy_ro(p);
+ if (p != -1){
+ lock(x);
+ pdp_list_add_back(x->x_queue, a_packet, (t_pdp_word)p);
+ unlock(x);
+ }
+ }
+ else {
+ pdp_post("pdp_rawout: dropping packet: (queue full)", MAX_QUEUESIZE);
+ }
+
+ }
+
+ /* check if thread is done */
+ if (x->x_done) rawout_close(x);
+
+}
+
+
+
+static void *rawout_thread(void *y)
+{
+ int pipe;
+ int packet = -1;
+ t_rawout *x = (t_rawout *)y;
+ int period_sec;
+ int period_usec;
+ sigset_t sigvec; /* signal handling */
+
+ /* ignore pipe signal */
+ sigemptyset(&sigvec);
+ sigaddset(&sigvec,SIGPIPE);
+ pthread_sigmask(SIG_BLOCK, &sigvec, 0);
+
+ //D pdp_post("pipe: %s", x->x_pipe->s_name);
+ //D pdp_post("type: %s", x->x_type->s_name);
+
+ /* open pipe */
+ if (-1 == (pipe = open(x->x_pipe->s_name, O_WRONLY|O_NONBLOCK))){
+ perror(x->x_pipe->s_name);
+ goto exit;
+ }
+
+ /* main loop (packets) */
+ while(1){
+ void *data = 0;
+ int left = -1;
+
+ /* try again if queue is empty */
+ if (!x->x_queue->elements){
+ /* check if we need to stop */
+ if (x->x_giveup){
+ goto close;
+ }
+ else {
+ usleep(1000.0f); // sleep before polling again
+ continue;
+ }
+ }
+ /* get packet from queue */
+ lock(x);
+ packet = pdp_list_pop(x->x_queue).w_packet;
+ unlock(x);
+
+ /* send packet */
+ data = pdp_packet_data(packet);
+ left = pdp_packet_data_size(packet);
+
+ /* inner loop: pipe reads */
+ while(left){
+
+ fd_set outset;
+ struct timeval tv = {0,10000};
+
+ /* check if we need to stop */
+ if (x->x_giveup){
+ pdp_packet_mark_unused(packet);
+ goto close;
+ }
+
+ /* select, with timeout */
+ FD_ZERO(&outset);
+ FD_SET(pipe, &outset);
+ if (-1 == select(pipe+1, NULL, &outset, NULL, &tv)){
+ pdp_post("select error");
+ goto close;
+ }
+
+ /* if ready, read, else retry */
+ if (FD_ISSET(pipe, &outset)){
+ int bytes = write(pipe, data, left);
+ /* handle errors */
+ if (bytes <= 0){
+ perror(x->x_pipe->s_name);
+ if (bytes != EAGAIN) goto close;
+ }
+ /* or update pointers */
+ else{
+ data += bytes;
+ left -= bytes;
+ //pdp_post("left %d", left);
+ }
+ }
+ else {
+ //pdp_post("retrying write");
+ }
+ }
+
+ /* discard packet */
+ pdp_packet_mark_unused(packet);
+
+
+ }
+
+ close:
+ /* close pipe */
+ close(pipe);
+
+
+ exit:
+ x->x_done = 1;
+ return 0;
+}
+
+
+
+static void rawout_type(t_rawout *x, t_symbol *type)
+{
+ x->x_type = pdp_gensym(type->s_name);
+}
+
+static void rawout_open(t_rawout *x, t_symbol *pipe)
+{
+ /* save pipe name if not empty */
+ if (pipe->s_name[0]) {x->x_pipe = pipe;}
+
+ if (x->x_active) {
+ pdp_post("already open");
+ return;
+ }
+ /* start thread */
+ x->x_giveup = 0;
+ x->x_done = 0;
+ pthread_create(&x->x_thread, &x->x_attr, rawout_thread , x);
+ x->x_active = 1;
+}
+
+static void rawout_close(t_rawout *x)
+{
+
+ if (!x->x_active) return;
+
+ /* stop thread: set giveup + wait */
+ x->x_giveup = 1;
+ pthread_join(x->x_thread, NULL);
+ x->x_active = 0;
+
+ /* notify */
+ outlet_bang(x->x_sync_outlet);
+ pdp_post("connection to %s closed", x->x_pipe->s_name);
+
+
+
+
+
+}
+
+static void rawout_free(t_rawout *x)
+{
+ rawout_close(x);
+ pdp_tree_strip_packets(x->x_queue);
+ pdp_tree_free(x->x_queue);
+}
+
+t_class *rawout_class;
+
+
+static void *rawout_new(t_symbol *pipe, t_symbol *type)
+{
+ t_rawout *x;
+
+ pdp_post("%s %s", pipe->s_name, type->s_name);
+
+ /* allocate & init */
+ x = (t_rawout *)pd_new(rawout_class);
+ //x->x_outlet = outlet_new(&x->x_obj, &s_anything);
+ x->x_sync_outlet = outlet_new(&x->x_obj, &s_anything);
+ x->x_queue = pdp_list_new(0);
+ x->x_active = 0;
+ x->x_giveup = 0;
+ x->x_done = 0;
+ x->x_type = pdp_gensym("image/YCrCb/320x240"); //default
+ x->x_pipe = gensym("/tmp/pdpraw"); // default
+ pthread_attr_init(&x->x_attr);
+ pthread_mutex_init(&x->x_mut, NULL);
+
+ /* args */
+ rawout_type(x, type);
+ if (pipe->s_name[0]) x->x_pipe = pipe;
+
+ return (void *)x;
+
+}
+
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_rawout_setup(void)
+{
+ int i;
+
+ /* create a standard pd class: [pdp_rawout pipe type] */
+ rawout_class = class_new(gensym("pdp_rawout"), (t_newmethod)rawout_new,
+ (t_method)rawout_free, sizeof(t_rawout), 0, A_DEFSYMBOL, A_DEFSYMBOL, A_NULL);
+
+ /* add global message handler */
+ class_addmethod(rawout_class, (t_method)pdp_in,
+ gensym("pdp"), A_SYMBOL, A_FLOAT, A_NULL);
+
+ class_addmethod(rawout_class, (t_method)rawout_type, gensym("type"), A_SYMBOL, A_NULL);
+ class_addmethod(rawout_class, (t_method)rawout_open, gensym("open"), A_DEFSYMBOL, A_NULL);
+ class_addmethod(rawout_class, (t_method)rawout_close, gensym("close"), A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_reg.c b/modules/generic/pdp_reg.c
new file mode 100644
index 0000000..2ad15a6
--- /dev/null
+++ b/modules/generic/pdp_reg.c
@@ -0,0 +1,170 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_png.h"
+#include "pdp_internals.h"
+
+
+typedef struct pdp_reg_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ int x_packet0;
+
+} t_pdp_reg;
+
+
+static void pdp_reg_load_png(t_pdp_reg *x, t_symbol *s)
+{
+ int packet;
+ //post("sym: %s", s->s_name);
+ packet = pdp_packet_bitmap_from_png_file(s->s_name);
+ if (-1 == packet){
+ post("pdp_reg: error loading png file %s", s->s_name);
+ }
+ else{
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = packet;
+ }
+
+}
+
+static void pdp_reg_save_png(t_pdp_reg *x, t_symbol *s)
+{
+ int newpacket = pdp_packet_convert_ro(x->x_packet0, pdp_gensym("bitmap/*/*"));
+
+ if (-1 == newpacket){
+ post("pdp_reg: nothing to save");
+ return;
+ }
+
+ if (!(pdp_packet_bitmap_save_png_file(newpacket, s->s_name))){
+ post("pdp_reg: error saving png file %s", s->s_name);
+ }
+
+ pdp_packet_mark_unused(newpacket);
+
+}
+
+
+static void pdp_reg_bang(t_pdp_reg *x)
+{
+
+ if (-1 != x->x_packet0) outlet_pdp(x->x_outlet0, x->x_packet0);
+
+}
+
+
+
+static void pdp_reg_input_0(t_pdp_reg *x, t_symbol *s, t_floatarg f)
+{
+
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+
+ /* if this is a process message, start the processing + propagate stuff to outputs */
+
+ if (s == gensym("register_ro")){
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_copy_ro((int)f);
+ //post("in0ro: requested %d, got %d", (int)f, x->x_packet0);
+ }
+ else if (s == gensym("process")){
+ pdp_reg_bang(x);
+
+ }
+
+
+}
+
+
+static void pdp_reg_input_1(t_pdp_reg *x, t_symbol *s, t_floatarg f)
+{
+
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+
+ /* if this is a process message, start the processing + propagate stuff to outputs */
+
+ if (s == gensym("register_ro")){
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_copy_ro((int)f);
+ //post("in0ro: requested %d, got %d", (int)f, x->x_packet0);
+ }
+
+}
+
+
+
+static void pdp_reg_free(t_pdp_reg *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_reg_class;
+
+
+
+void *pdp_reg_new(void)
+{
+ t_pdp_reg *x = (t_pdp_reg *)pd_new(pdp_reg_class);
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1"));
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_reg_setup(void)
+{
+
+
+ pdp_reg_class = class_new(gensym("pdp_reg"), (t_newmethod)pdp_reg_new,
+ (t_method)pdp_reg_free, sizeof(t_pdp_reg), 0, A_NULL);
+
+
+ class_addmethod(pdp_reg_class, (t_method)pdp_reg_bang, gensym("bang"), A_NULL);
+
+ class_addmethod(pdp_reg_class, (t_method)pdp_reg_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_reg_class, (t_method)pdp_reg_input_1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_reg_class, (t_method)pdp_reg_save_png, gensym("save_png"), A_SYMBOL, A_NULL);
+ class_addmethod(pdp_reg_class, (t_method)pdp_reg_load_png, gensym("load_png"), A_SYMBOL, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_route.c b/modules/generic/pdp_route.c
new file mode 100644
index 0000000..c410d1f
--- /dev/null
+++ b/modules/generic/pdp_route.c
@@ -0,0 +1,146 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_internals.h"
+
+// dynamic ????
+#define PDP_ROUTE_MAX_NB_OUTLETS 100
+
+typedef struct pdp_route_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet[PDP_ROUTE_MAX_NB_OUTLETS];
+
+ int x_nb_outlets;
+ int x_route;
+ int x_route_next;
+
+
+} t_pdp_route;
+
+
+static void pdp_route_input_0(t_pdp_route *x, t_symbol *s, t_floatarg f)
+{
+ t_atom atom[2];
+ t_symbol *pdp = gensym("pdp");
+
+
+ /* trigger on register_ro */
+ if (s == gensym("register_ro")){
+ x->x_route = x->x_route_next;
+ }
+
+ /* propagate the pdp message */
+ SETSYMBOL(atom+0, s);
+ SETFLOAT(atom+1, f);
+ outlet_anything(x->x_outlet[x->x_route], pdp, 2, atom);
+
+}
+
+static void pdp_route_input_0_dpd(t_pdp_route *x, t_symbol *s, t_floatarg f)
+{
+
+ /* trigger on accumulate */
+ if (s == gensym("accumulate")){
+ x->x_route = x->x_route_next;
+ }
+
+ /* propagate the dpd message */
+ outlet_dpd(x->x_outlet[x->x_route], (int)f);
+
+}
+
+
+
+static void pdp_route_route(t_pdp_route *x, t_floatarg f)
+{
+ int route = (int)f;
+
+ if (route < 0) route = 0;
+ if (route >= x->x_nb_outlets) route = x->x_nb_outlets - 1;
+
+ x->x_route_next = route;
+
+}
+
+
+
+static void pdp_route_free(t_pdp_route *x)
+{
+
+}
+
+t_class *pdp_route_class;
+
+
+
+void *pdp_route_new(t_floatarg f)
+{
+ int nboutlets = (int)f;
+ int i;
+
+ t_pdp_route *x = (t_pdp_route *)pd_new(pdp_route_class);
+
+
+ if (nboutlets < 2) nboutlets = 2;
+ if (nboutlets >= PDP_ROUTE_MAX_NB_OUTLETS) nboutlets = PDP_ROUTE_MAX_NB_OUTLETS - 1;
+
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("route"));
+
+ x->x_nb_outlets = nboutlets;
+ x->x_route = 0;
+ x->x_route_next = 0;
+
+ for (i=0; i<nboutlets; i++)
+ x->x_outlet[i] = outlet_new(&x->x_obj, &s_anything);
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_route_setup(void)
+{
+
+
+ pdp_route_class = class_new(gensym("pdp_route"), (t_newmethod)pdp_route_new,
+ (t_method)pdp_route_free, sizeof(t_pdp_route), 0, A_DEFFLOAT, A_NULL);
+
+
+ class_addmethod(pdp_route_class, (t_method)pdp_route_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_route_class, (t_method)pdp_route_input_0_dpd, gensym("dpd"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_route_class, (t_method)pdp_route_route, gensym("route"), A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_snap.c b/modules/generic/pdp_snap.c
new file mode 100644
index 0000000..73ec26c
--- /dev/null
+++ b/modules/generic/pdp_snap.c
@@ -0,0 +1,120 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_internals.h"
+
+typedef struct pdp_snap_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_outlet *x_outlet0;
+
+ int x_packet0;
+ bool x_snapnext;
+
+} t_pdp_snap;
+
+
+static void pdp_snap_bang(t_pdp_snap *x)
+{
+
+ if (-1 != x->x_packet0)
+ outlet_pdp(x->x_outlet0, x->x_packet0);
+
+}
+
+
+
+
+static void pdp_snap_input_1(t_pdp_snap *x, t_symbol *s, t_floatarg f)
+{
+
+ /* if this is a register_ro message or register_rw message, register with packet factory */
+
+ /* if this is a process message, start the processing + propagate stuff to outputs */
+
+ if (s == gensym("register_ro")){
+ if(x->x_snapnext) {
+ pdp_packet_mark_unused(x->x_packet0);
+ x->x_packet0 = pdp_packet_copy_ro((int)f);
+ x->x_snapnext = false;
+ }
+ }
+
+}
+
+static void pdp_snap_snap(t_pdp_snap *x)
+{
+ x->x_snapnext = true;
+}
+
+static void pdp_snap_free(t_pdp_snap *x)
+{
+ pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_snap_class;
+
+
+
+void *pdp_snap_new(void)
+{
+ t_pdp_snap *x = (t_pdp_snap *)pd_new(pdp_snap_class);
+
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1"));
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet0 = -1;
+ x->x_snapnext = false;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_snap_setup(void)
+{
+
+
+ pdp_snap_class = class_new(gensym("pdp_snap"), (t_newmethod)pdp_snap_new,
+ (t_method)pdp_snap_free, sizeof(t_pdp_snap), 0, A_NULL);
+
+
+ class_addmethod(pdp_snap_class, (t_method)pdp_snap_bang, gensym("bang"), A_NULL);
+ class_addmethod(pdp_snap_class, (t_method)pdp_snap_snap, gensym("snap"), A_NULL);
+
+ class_addmethod(pdp_snap_class, (t_method)pdp_snap_input_1, gensym("pdp1"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_trigger.c b/modules/generic/pdp_trigger.c
new file mode 100644
index 0000000..597125c
--- /dev/null
+++ b/modules/generic/pdp_trigger.c
@@ -0,0 +1,192 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+#include "pdp_internals.h"
+
+/* adapted from the pd trigger object */
+
+#define TR_BANG 0
+#define TR_FLOAT 1
+#define TR_SYMBOL 2
+#define TR_POINTER 3
+#define TR_LIST 4
+#define TR_ANYTHING 5
+#define TR_PDP 6
+
+/*
+
+$$$TODO: emplement so that it behaves like the standard trigger object
+
+i.e. [trigger bang pdp pdp bang pdp]
+
+register_ro and register_rw messages pass right trough,
+since they're not action events, only configure events.
+a bang is made equivalent to a process event.
+
+*/
+
+typedef struct triggerout
+{
+ int u_type; /* outlet type from above */
+ t_outlet *u_outlet;
+} t_triggerout;
+
+
+typedef struct pdp_trigger_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ int x_n;
+ t_triggerout *x_vec;
+
+} t_pdp_trigger;
+
+
+
+
+static void pdp_trigger_input_pdp(t_pdp_trigger *x, t_symbol *s, t_floatarg f)
+{
+ t_atom atom[2];
+ t_symbol *pdp = S_PDP;
+ t_symbol *prc = S_PROCESS;
+ t_triggerout *u;
+ int i;
+
+ for (i = x->x_n, u = x->x_vec + i; u--, i--;){
+ /* trigger bang outlet only when a process event is recieved */
+ if ((u->u_type == TR_BANG) && (s == prc)){
+ outlet_bang(u->u_outlet);
+ }
+ /* just pass the message if it is a pdp outlet */
+ if ((u->u_type) == TR_PDP){
+ SETSYMBOL(atom+0, s);
+ SETFLOAT(atom+1, f);
+ if (s == prc) outlet_anything(u->u_outlet, pdp, 1, atom);
+ else outlet_anything(u->u_outlet, pdp, 2, atom);
+
+ }
+ }
+
+}
+
+static void pdp_trigger_input_dpd(t_pdp_trigger *x, t_symbol *s, t_floatarg f)
+{
+ t_atom atom[2];
+ t_symbol *dpd = S_DPD;
+ t_symbol *acc = S_ACCUMULATE;
+ t_triggerout *u;
+ int i;
+ int p = (int)f;
+
+ for (i = x->x_n, u = x->x_vec + i; u--, i--;){
+ /* trigger outlet only when an accumulate event is recieved */
+ if (s == acc){
+
+ /* output bang */
+ if (u->u_type == TR_BANG) outlet_bang(u->u_outlet);
+
+ /* output a complete dpd message if it is a pdp outlet */
+ if ((u->u_type) == TR_PDP){
+ outlet_dpd(u->u_outlet, p);
+ }
+ }
+ }
+
+}
+
+
+static void pdp_trigger_free(t_pdp_trigger *x)
+{
+ pdp_dealloc(x->x_vec);
+}
+
+t_class *pdp_trigger_class;
+
+
+
+static void *pdp_trigger_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_pdp_trigger *x = (t_pdp_trigger *)pd_new(pdp_trigger_class);
+ t_atom defarg[2], *ap;
+ t_triggerout *u;
+ int i;
+
+
+ if (!argc)
+ {
+ argv = defarg;
+ argc = 2;
+ SETSYMBOL(&defarg[0], gensym("pdp"));
+ SETSYMBOL(&defarg[1], gensym("bang"));
+ }
+
+ x->x_n = argc;
+ x->x_vec = pdp_alloc(argc * sizeof(*x->x_vec));
+
+ for (i = 0, ap = argv, u = x->x_vec; i < argc; u++, ap++, i++)
+ {
+ t_atomtype thistype = ap->a_type;
+ char c;
+ if (thistype == TR_SYMBOL) c = ap->a_w.w_symbol->s_name[0];
+ else c = 0;
+ if (c == 'p')
+ u->u_type = TR_PDP,
+ u->u_outlet = outlet_new(&x->x_obj, &s_anything);
+ else if (c == 'b')
+ u->u_type = TR_BANG, u->u_outlet = outlet_new(&x->x_obj, &s_bang);
+ else
+ {
+ pd_error(x, "pdp_trigger: %s: bad type", ap->a_w.w_symbol->s_name);
+ u->u_type = TR_BANG, u->u_outlet = outlet_new(&x->x_obj, &s_bang);
+ }
+ }
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_trigger_setup(void)
+{
+
+
+ pdp_trigger_class = class_new(gensym("pdp_trigger"), (t_newmethod)pdp_trigger_new,
+ (t_method)pdp_trigger_free, sizeof(t_pdp_trigger), 0, A_GIMME, A_NULL);
+
+ class_addcreator((t_newmethod)pdp_trigger_new, gensym("pdp_t"), A_GIMME, 0);
+
+ class_addmethod(pdp_trigger_class, (t_method)pdp_trigger_input_pdp, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_trigger_class, (t_method)pdp_trigger_input_dpd, gensym("dpd"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_udp_receive.c b/modules/generic/pdp_udp_receive.c
new file mode 100644
index 0000000..3d42466
--- /dev/null
+++ b/modules/generic/pdp_udp_receive.c
@@ -0,0 +1,203 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+/* this module sends receives an udp packet stream and converts to pdp packet */
+
+#include "pdp_net.h"
+#include "pdp.h"
+#include "pdp_resample.h"
+
+#define D if(0)
+
+typedef struct pdp_udp_receive_struct
+{
+
+ t_object x_obj;
+ t_float x_f;
+
+ /* receiver object */
+ t_pdp_udp_receiver *x_receiver;
+
+
+ /* thread vars */
+ pthread_attr_t x_attr;
+ pthread_t x_thread;
+ int x_exit_thread;
+
+ /* packet queue */
+ int x_index;
+ int x_packet[2];
+
+ /* polling clock */
+ t_clock *x_clock;
+ /* outlet */
+ t_outlet *x_outlet0;
+
+} t_pdp_udp_receive;
+
+
+static void clock_tick(t_pdp_udp_receive *x)
+{
+ /* poll for new packet */
+
+ pdp_pass_if_valid(x->x_outlet0, &x->x_packet[!x->x_index]);
+ clock_delay(x->x_clock, 1.0f);
+}
+
+
+
+
+static void *receive_thread(void *threaddata)
+{
+ t_pdp_udp_receive *x = (t_pdp_udp_receive *)threaddata;
+ t_pdp *pdp_header = 0;
+ void *pdp_data = 0;
+ int tmp_packet = -1;
+ char *type = 0;
+ unsigned int size = 0;
+
+ /* listen for packets */
+ while (!x->x_exit_thread){
+
+
+ switch(pdp_udp_receiver_receive(x->x_receiver, 100)){
+ case -1:
+ /* error */
+ goto exit;
+ case 0:
+ /* timeout */
+ continue;
+ case 1:
+ /* data ready */
+ break;
+ }
+
+ /* create a new packet */
+ type = pdp_udp_receiver_type(x->x_receiver);
+ tmp_packet = pdp_factory_newpacket(pdp_gensym(type));
+ pdp_header = pdp_packet_header(tmp_packet);
+ pdp_data = pdp_packet_data(tmp_packet);
+
+ /* check if we were able to create the pdp packet */
+ if (!(pdp_header && pdp_data)){
+ post("pdp_netreceive: can't create packet (type %s)", type);
+ pdp_udp_receiver_reset(x->x_receiver);
+ continue;
+ }
+
+ /* check size */
+ size = pdp_udp_receiver_size(x->x_receiver);
+ if ((pdp_header->size - PDP_HEADER_SIZE) != size){
+ pdp_packet_mark_unused(tmp_packet);
+ tmp_packet = -1;
+ post("pdp_netreceive: invalid packet size %d (pdp packet size = %d)",
+ size, pdp_header->size - PDP_HEADER_SIZE);
+ continue;
+ }
+
+ /* copy the data */
+ memcpy(pdp_data, pdp_udp_receiver_data(x->x_receiver), size);
+
+ /* copy the packet into queue */
+ x->x_index ^= 1;
+ pdp_packet_mark_unused(x->x_packet[x->x_index]);
+ x->x_packet[x->x_index] = tmp_packet;
+
+
+ }
+
+ exit:
+ post("thread exiting");
+ return 0;
+}
+
+
+static void pdp_udp_receive_free(t_pdp_udp_receive *x)
+{
+ int i;
+ void* retval;
+ x->x_exit_thread = 1; // wait for thread to finish
+ pthread_join(x->x_thread, &retval);
+
+ pdp_udp_receiver_free(x->x_receiver);
+
+ pdp_packet_mark_unused(x->x_packet[0]);
+ pdp_packet_mark_unused(x->x_packet[1]);
+
+}
+
+t_class *pdp_udp_receive_class;
+
+
+
+void *pdp_udp_receive_new(t_floatarg fport)
+{
+ int i;
+ int port;
+ struct hostent *hp;
+
+ t_pdp_udp_receive *x = (t_pdp_udp_receive *)pd_new(pdp_udp_receive_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_packet[0] = -1;
+ x->x_packet[1] = -1;
+ x->x_index = 0;
+
+ port = (fport == 0.0f) ? 7777 : fport;
+ x->x_receiver = pdp_udp_receiver_new(port);
+
+ /* setup thread stuff & create thread */
+ x->x_exit_thread = 0;
+ pthread_attr_init(&x->x_attr);
+ pthread_attr_setschedpolicy(&x->x_attr, SCHED_OTHER);
+ pthread_create(&x->x_thread, &x->x_attr, receive_thread, x);
+
+
+ /* setup the clock */
+ x->x_clock = clock_new(x, (t_method)clock_tick);
+ clock_delay(x->x_clock, 0);
+
+ post("pdp_netreceive: WARNING: experimental object");
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_udp_receive_setup(void)
+{
+
+
+ pdp_udp_receive_class = class_new(gensym("pdp_netreceive"), (t_newmethod)pdp_udp_receive_new,
+ (t_method)pdp_udp_receive_free, sizeof(t_pdp_udp_receive), 0, A_DEFFLOAT, A_NULL);
+
+
+}
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/modules/generic/pdp_udp_send.c b/modules/generic/pdp_udp_send.c
new file mode 100644
index 0000000..cb55ad1
--- /dev/null
+++ b/modules/generic/pdp_udp_send.c
@@ -0,0 +1,336 @@
+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+/* this module sends a pure packet out as an udp packet stream */
+
+#include "pdp_net.h"
+#include "pdp.h"
+#include "pdp_resample.h"
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <netdb.h>
+
+#define DD if(0) // print DROP debug info
+#define D if(0) // print extra connection debug info
+#define V if(0) // be verbose (parameter setting feedback)
+
+typedef struct pdp_udp_send_struct
+{
+
+ t_object x_obj;
+ t_float x_f;
+
+ /* sender object */
+ t_pdp_udp_sender *x_sender;
+
+ /* pthread vars */
+ pthread_mutex_t x_mut;
+ pthread_cond_t x_cond_data_ready;
+ pthread_cond_t x_cond_send_done;
+ pthread_t x_thread;
+ int x_exit_thread;
+
+ // drop info
+ unsigned int x_drop;
+
+ t_outlet *x_outlet0;
+
+ // packet queue
+ int x_nb_packets;
+ int x_read_packet;
+ int x_write_packet;
+ int *x_packet;
+
+
+} t_pdp_udp_send;
+
+
+
+
+
+/* some synchro code */
+
+static int _wait_for_feeder(t_pdp_udp_send *x)
+{
+
+ /* only use locking when there is no data */
+ if (x->x_packet[x->x_read_packet] == -1){
+
+ /* signal sending is done */
+ pthread_mutex_lock(&x->x_mut);
+ pthread_cond_signal(&x->x_cond_send_done);
+
+ /* wait until there is an item in the queue */
+ while((x->x_packet[x->x_read_packet] == -1) && (!x->x_exit_thread)){
+ pthread_cond_wait(&x->x_cond_data_ready, &x->x_mut);
+ }
+ pthread_mutex_unlock(&x->x_mut);
+
+ /* check if we need to stop the thread */
+ if (x->x_exit_thread) return 0;
+
+ }
+
+ return !x->x_exit_thread;
+}
+
+static void _signal_sender(t_pdp_udp_send *x)
+{
+
+ pthread_mutex_lock(&x->x_mut);
+ pthread_cond_signal(&x->x_cond_data_ready);
+ pthread_mutex_unlock(&x->x_mut);
+}
+
+static void _wait_until_done(t_pdp_udp_send *x)
+{
+ pthread_mutex_lock(&x->x_mut);
+ while (x->x_packet[x->x_read_packet] != -1){
+ pthread_cond_wait(&x->x_cond_send_done, &x->x_mut);
+ }
+ pthread_mutex_unlock(&x->x_mut);
+}
+
+
+static void _remove_packet_from_queue(t_pdp_udp_send *x)
+{
+
+}
+
+
+
+
+
+static void *send_thread(void *threaddata)
+{
+ t_pdp_udp_send *x = (t_pdp_udp_send *)threaddata;
+
+ /* main thread loop */
+
+ /* get a pdp packet from queue */
+ /* send header packet and make sure it has arrived */
+ /* send a chunk burst */
+ /* send done packet and get the resend list */
+ /* repeat until send list is empty */
+
+ while (_wait_for_feeder(x)){
+ t_pdp *header;
+ void *data;
+
+ /* check if we have a valid pdp packet */
+ if ((!(header = pdp_packet_header(x->x_packet[x->x_read_packet])))
+ ||(!(data = pdp_packet_data(x->x_packet[x->x_read_packet])))
+ ||(0 == header->desc)) goto remove; /* nothing to transmit */
+
+ /* send it */
+ pdp_udp_sender_send(x->x_sender,
+ header->desc->s_name,
+ header->size - PDP_HEADER_SIZE, data);
+
+
+ remove:
+ /* remove packet from queue */
+ pdp_packet_mark_unused(x->x_packet[x->x_read_packet]);
+ x->x_packet[x->x_read_packet] = -1;
+ x->x_read_packet++;
+ x->x_read_packet %= x->x_nb_packets;
+
+ }
+ return 0;
+}
+
+
+static void pdp_udp_send_input_0(t_pdp_udp_send *x, t_symbol *s, t_floatarg f)
+{
+
+ int p = (int)f;
+ int my_p;
+ int transferred = 0;
+
+ if (s== gensym("register_ro")){
+
+
+ // check if packet can be stored in the queue
+ // this is possible if the current write location does not contain a packet
+
+ if (x->x_packet[x->x_write_packet] == -1){
+
+ // get the packet outside of the lock
+ my_p = pdp_packet_copy_ro(p);
+
+
+ // add to queue (do we really need to lock here?>
+ //pthread_mutex_lock(&x->x_mut); // LOCK
+ x->x_packet[x->x_write_packet] = my_p;
+ x->x_write_packet++;
+ x->x_write_packet %= x->x_nb_packets;
+ transferred = 1;
+ //pthread_mutex_unlock(&x->x_mut); // UNLOCK
+ }
+
+ // signal sender if transfer succeded
+ if (transferred) _signal_sender(x);
+
+ // else send a float indicating the number of drops so far
+ else{
+ x->x_drop++;
+ //outlet_float(x->x_outlet0, (float)x->x_drop);
+
+ DD post ("pdp_netsend: DROP: queue full");
+ }
+ }
+}
+
+
+
+/* some flow control hacks */
+
+static void pdp_udp_send_timeout(t_pdp_udp_send *x, float f)
+{
+ if (f < 0.0f) f = 0.0f;
+ pdp_udp_sender_timeout_us(x->x_sender, 1000.0f * f);
+}
+
+
+static void pdp_udp_send_sleepgrain(t_pdp_udp_send *x, float f)
+{
+ if (f < 0.0f) f = 0.0f;
+ pdp_udp_sender_sleepgrain_us(x->x_sender, 1000.0f * f);
+}
+
+static void pdp_udp_send_sleepperiod(t_pdp_udp_send *x, float f)
+{
+ if (f < 0.0f) f = 0.0f;
+ pdp_udp_sender_sleepperiod(x->x_sender, f);
+}
+
+
+static void pdp_udp_send_udpsize(t_pdp_udp_send *x, float f)
+{
+ if (f < 0.0f) f = 0.0f;
+ pdp_udp_sender_udp_packet_size(x->x_sender, f);
+}
+
+static void pdp_udp_send_connect(t_pdp_udp_send *x, t_symbol *shost, t_float fport)
+{
+ unsigned int port;
+ struct hostent *hp;
+
+ /* suspend until sending thread is finished */
+ _wait_until_done(x);
+
+ /* set target address */
+ port = (fport == 0.0f) ? 7777 : fport;
+ if (shost == gensym("")) shost = gensym("127.0.0.1");
+
+ /* connect */
+ pdp_udp_sender_connect(x->x_sender, shost->s_name, port);
+
+}
+
+
+static void pdp_udp_send_free(t_pdp_udp_send *x)
+{
+ int i;
+ void* retval;
+ _wait_until_done(x); // send all remaining packets
+ x->x_exit_thread = 1; // .. and wait for thread to finish
+ _signal_sender(x);
+ pthread_join(x->x_thread, &retval);
+
+ pdp_udp_sender_free(x->x_sender);
+
+
+ for (i=0; i<x->x_nb_packets; i++) pdp_packet_mark_unused(x->x_packet[i]);
+ pdp_dealloc(x->x_packet);
+
+}
+
+t_class *pdp_udp_send_class;
+
+
+
+void *pdp_udp_send_new(void)
+{
+ int i;
+ pthread_attr_t attr;
+
+ t_pdp_udp_send *x = (t_pdp_udp_send *)pd_new(pdp_udp_send_class);
+
+ x->x_sender = pdp_udp_sender_new();
+
+ //x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+
+ x->x_nb_packets = 4;
+ x->x_packet = malloc(sizeof(int)*x->x_nb_packets);
+ for (i=0; i<x->x_nb_packets; i++) x->x_packet[i] = -1;
+ x->x_read_packet = 0;
+ x->x_write_packet = 0;
+
+ x->x_drop = 0;
+
+
+
+ /* setup thread stuff & create thread */
+ x->x_exit_thread = 0;
+ pthread_mutex_init(&x->x_mut, NULL);
+ pthread_cond_init(&x->x_cond_data_ready, NULL);
+ pthread_cond_init(&x->x_cond_send_done, NULL);
+ pthread_attr_init(&attr);
+ //pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
+ pthread_create(&x->x_thread, &attr, send_thread, x);
+ post("pdp_netsend: WARNING: experimental object");
+
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_udp_send_setup(void)
+{
+
+ pdp_udp_send_class = class_new(gensym("pdp_netsend"), (t_newmethod)pdp_udp_send_new,
+ (t_method)pdp_udp_send_free, sizeof(t_pdp_udp_send), 0, A_NULL);
+
+
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_sleepgrain, gensym("sleepgrain"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_sleepperiod, gensym("sleepperiod"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_udpsize, gensym("udpsize"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_timeout, gensym("timeout"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_udp_send_class, (t_method)pdp_udp_send_connect, gensym("connect"), A_SYMBOL, A_FLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-14 05:07:22 +0000