Update of /cvsroot/pure-data/externals/pdp/modules/generic In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv6756/modules/generic
Added Files: Makefile README pdp_convert.c pdp_del.c pdp_description.c pdp_inspect.c pdp_loop.c pdp_rawin.c pdp_rawout.c pdp_reg.c pdp_route.c pdp_snap.c pdp_trigger.c pdp_udp_receive.c pdp_udp_send.c Log Message: checking in pdp 0.12.4 from http://zwizwa.fartit.com/pd/pdp/pdp-0.12.4.tar.gz
--- NEW FILE: pdp_convert.c --- /* * 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
--- NEW FILE: pdp_udp_receive.c --- /* * 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
--- NEW FILE: pdp_loop.c --- /* * 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
--- NEW FILE: Makefile --- 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
--- NEW FILE: pdp_udp_send.c --- /* * 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
--- NEW FILE: pdp_rawin.c --- /* * 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
--- NEW FILE: pdp_del.c --- /* * 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
--- NEW FILE: pdp_description.c --- /* * 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
--- NEW FILE: pdp_snap.c --- /* * 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
--- NEW FILE: pdp_trigger.c --- /* * 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
--- NEW FILE: pdp_inspect.c --- /* * 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
--- NEW FILE: README --- This directory contains generic packet processors (i.e. containers). Should work with any packet type.
--- NEW FILE: pdp_rawout.c --- /* * 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
--- NEW FILE: pdp_route.c --- /* * 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
--- NEW FILE: pdp_reg.c --- /* * 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