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-rw-r--r--puredata/pdp_base.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/puredata/pdp_base.c b/puredata/pdp_base.c
deleted file mode 100644
index 194134e..0000000
--- a/puredata/pdp_base.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * Pure Data Packet base class implementation.
- * 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 file contains the pdp base class object.
- This is really nothing more than an attempt to stay away from c++
- as far as possible, while having some kind of base class functionality
- for pdp (tucking away the communication & thread protocol).
-
-*/
-
-#include "pdp_base.h"
-#include <stdarg.h>
-
-
-static void pdp_base_debug(t_pdp_base *b, t_floatarg f)
-{
- int i;
- post("debug");
- post("inlets: %d", b->b_inlets);
- post("\tpacket\tnext_packet");
- for (i=0; i<b->b_inlets; i++)
- post("\t%d\t%d", b->b_packet[i], b->b_packet_next[i]);
- //post("outlets: %d", b->b_inlets);
-}
-
-static void pdp_base_thread(t_pdp_base *b, t_floatarg f)
-{
- int i = (int)f;
- if ((i == 0) || (i == 1)) b->b_thread_enabled = i;
-}
-
-static void pdp_base_process(t_pdp_base *b)
-{
-
- if (b->b_process_method)
- (*b->b_process_method)(b);
-}
-
-/* this method is called after the thread has finished processing */
-static void pdp_base_postprocess(t_pdp_base *b)
-{
- /* call the derived class postproc callback if there is any */
- if (b->b_postproc_method)
- (*b->b_postproc_method)(b);
-
- /* unregister (mark unused) packet and propagate if packet is valid */
- if (b->b_outlet[0])
- pdp_pass_if_valid(b->b_outlet[0], &b->b_packet[0]);
-}
-
-
-/* move the passive packets in place */
-void pdp_base_movepassive(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- int i;
-
- /* if a cold packet was received in the meantime
- swap it in, else keep the old one */
- for (i=1; i<b->b_inlets; i++){
- pdp_replace_if_valid(&b->b_packet[i], &b->b_packet_next[i]);
- }
-
-
-}
-
-/* the standard bang method */
-void pdp_base_bang(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- int i;
-
- /* if pdp thread is still processing, do nothing */
- if (-1 != b->b_queue_id) return;
-
- /* move packets in place */
- pdp_base_movepassive(x);
-
-
- /* if there is a preproc method defined, call it inside
- the pd thread. (mainly for allocations) */
- if (b->b_preproc_method)
- (*b->b_preproc_method)(b);
-
- /* check if we need to use pdp queue */
- if (b->b_thread_enabled){
-
- /* add the process method and callback to the process queue */
- pdp_procqueue_add(b->b_q, b, pdp_base_process, pdp_base_postprocess, &b->b_queue_id);
- }
- else{
- /* call both methods directly */
- pdp_base_process(b);
- pdp_base_postprocess(b);
- }
-}
-
-/* hot packet input handler */
-void pdp_base_input_hot(t_pdp_base *b, t_symbol *s, t_floatarg f)
-{
-
- int p = (int)f;
-
- /* dont register if active inlet is disabled */
- if (!b->b_active_inlet_enabled) return;
-
- /* register the packet (readonly or read/write)
- or drop it if we have an active packet
- if type template is not null, packet will be converted */
-
-
- if (b->b_active_inlet_readonly){
- if (s == S_REGISTER_RO){
- if (b->b_type_template[0]){
- pdp_packet_convert_ro_or_drop(&b->b_packet[0], p, b->b_type_template[0]);
- }
- else{
- pdp_packet_copy_ro_or_drop(&b->b_packet[0], p);
- }
- }
- }
- else{
- if (s == S_REGISTER_RW) {
- if (b->b_type_template[0]){
- pdp_packet_convert_rw_or_drop(&b->b_packet[0], p, b->b_type_template[0]);
- }
- else{
- pdp_packet_copy_rw_or_drop(&b->b_packet[0], p);
- }
- }
- }
-
- /* start processing if there is an active packet to process
- and the processing method is not active */
-
- if ((s == S_PROCESS) && (-1 != b->b_packet[0]) && (-1 == b->b_queue_id)){
- pdp_base_bang(b);
- }
- //if ((pdp_sym_prc() == s) && (-1 != b->b_packet[0]) && (!b->b_dropped)) pdp_base_bang(b);
-
-}
-
-/* cold packet input handlers */
-void pdp_base_input_cold(t_pdp_base *b, t_symbol *s, int ac, t_atom *av)
-{
-
- int p;
- int i;
- char msg[] = "pdp1";
- char *c;
-
- int inlet;
-
- //post("pdp_base_input_cold: got packet");
-
- /* do cheap tests first */
- if (ac != 2) return;
- if (av[0].a_type != A_SYMBOL) return;
- if (av[0].a_w.w_symbol != S_REGISTER_RO) return;
- if (av[1].a_type != A_FLOAT) return;
- p = (int)av[1].a_w.w_float;
-
-
- /* check if it's a pdp message
- and determine inlet */
- for (i=1; i<MAX_NB_PDP_BASE_INLETS; i++){
- if (s == gensym(msg)){
- inlet = i;
- goto found;
- }
- else{
- msg[3]++;
- }
- }
- return;
-
-
- found:
-
- /* store the packet and trow away
- the old one, if there is any */
-
- pdp_packet_copy_ro_or_drop(&b->b_packet_next[inlet], p);
-}
-
-
-void pdp_base_set_process_method(void *x, t_pdp_method m)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_process_method = m;
-}
-
-void pdp_base_set_preproc_method(void *x, t_pdp_method m)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_preproc_method = m;
-}
-
-
-void pdp_base_set_postproc_method(void *x, t_pdp_method m)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_postproc_method = m;
-}
-
-
-void pdp_base_queue_wait(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- pdp_procqueue_wait(b->b_q);
-}
-
-void pdp_base_set_queue(void *x, t_pdp_procqueue *q)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- pdp_base_queue_wait(x);
- b->b_q = q;
-}
-
-t_pdp_procqueue *pdp_base_get_queue(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- return b->b_q;
-}
-
-void pdp_base_setup(t_class *c)
-{
-
- /* add pdp base class methods */
- class_addmethod(c, (t_method)pdp_base_thread, gensym("thread"), A_FLOAT, A_NULL);
- class_addmethod(c, (t_method)pdp_base_debug, gensym("debug"), A_NULL);
-
- /* hot packet handler */
- class_addmethod(c, (t_method)pdp_base_input_hot, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
-
- /* cold packet handler */
- class_addanything(c, (t_method)pdp_base_input_cold);
-}
-
-/* pdp base instance constructor */
-void pdp_base_init(void *x)
-{
- int i;
- t_pdp_base *b = (t_pdp_base *)x;
-
- b->b_channel_mask = -1;
-
- for(i=0; i<MAX_NB_PDP_BASE_INLETS; i++){
- b->b_packet[i] = -1;
- b->b_packet_next[i] = -1;
- b->b_type_template[i] = 0;
- }
-
- b->b_queue_id = -1;
- //b->b_dropped = 0;
- b->b_process_method = 0;
- b->b_preproc_method = 0;
- b->b_inlets = 1;
- b->b_outlets = 0;
- b->b_active_inlet_enabled = 1;
- b->b_active_inlet_readonly = 0;
- b->b_thread_enabled = 1;
-
- // default queue is pdp queue
- b->b_q = pdp_queue_get_queue();
-
-}
-
-/* base instance destructor */
-void pdp_base_free(void *x)
-{
- int i;
- t_pdp_base *b = (t_pdp_base *)x;
- /* remove process method from queue before deleting data */
- pdp_procqueue_finish(b->b_q, b->b_queue_id);
-
- /* delete stuff */
- for(i=0; i<MAX_NB_PDP_BASE_INLETS; i++){
- pdp_packet_mark_unused(b->b_packet[i]);
- pdp_packet_mark_unused(b->b_packet_next[i]);
- }
-
-}
-
-void pdp_base_readonly_active_inlet(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_active_inlet_readonly = 1;
-}
-
-void pdp_base_disable_active_inlet(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_active_inlet_enabled = 0;
-}
-
-
-/* add an inlet */
-void pdp_base_add_pdp_inlet(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- char s[] = "pdp0";
- s[3] += b->b_inlets;
-
- if (b->b_inlets < MAX_NB_PDP_BASE_INLETS){
- inlet_new(&b->x_obj, &b->x_obj.ob_pd, gensym("pdp"), gensym(s));
- b->b_inlets++;
- }
- else {
- post("pdp_base_add_pdp_inlet: only %d pdp inlets allowed. ignoring.", MAX_NB_PDP_BASE_INLETS);
- }
-}
-
-
-/* add an outlet: only one allowed */
-t_outlet *pdp_base_add_pdp_outlet(void *x)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- t_outlet *outlet = outlet_new(&b->x_obj, &s_anything);
-
-
- if (b->b_outlets < MAX_NB_PDP_BASE_OUTLETS){
- b->b_outlet[b->b_outlets] = outlet;
- b->b_outlets++;
- }
-
- return outlet;
-
-}
-
-void pdp_base_set_packet(void *x, int inlet, int packet)
-{
- t_pdp_base *b = (t_pdp_base *)x;
-
- if (inlet < b->b_inlets){
- //post("%d %d", b->b_packet[inlet], b->b_packet_next[inlet]);
- pdp_packet_mark_unused(b->b_packet[inlet]);
- b->b_packet[inlet] = packet;
- }
-}
-
-
-int pdp_base_get_packet(void *x, int inlet)
-{
- t_pdp_base *b = (t_pdp_base *)x;
-
- if (inlet < b->b_inlets){
- //post("%d %d", b->b_packet[inlet], b->b_packet_next[inlet]);
- return (b->b_packet[inlet]);
- }
-
- return -1;
-}
-
-int pdp_base_move_packet(void *x, int inlet)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- int p;
-
- if (inlet < b->b_inlets){
- p = b->b_packet[inlet];
- b->b_packet[inlet] = -1;
- return (p);
- }
-
- return -1;
-}
-
-
-
-t_object *pdp_base_get_object(void *x)
-{
- return (t_object *)x;
-}
-
-void pdp_base_add_gen_inlet(void *x, t_symbol *from, t_symbol *to)
-{
- t_object *o = (t_object *)x;
- inlet_new(o, &o->ob_pd, from, to);
-}
-
-void pdp_base_disable_thread(void *x)
-{
-
- t_pdp_base *b = (t_pdp_base *)x;
- b->b_thread_enabled = 0;
-}
-
-void pdp_base_set_type_template(void *x, int inlet, t_pdp_symbol *type_template)
-{
- t_pdp_base *b = (t_pdp_base *)x;
- if (inlet < b->b_inlets){
- b->b_type_template[inlet] = type_template;
- }
-}
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