2 Copyright (C) 2000-2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <glibmm/thread.h>
30 #include "pbd/xml++.h"
31 #include "pbd/replace_all.h"
32 #include "pbd/unknown_type.h"
33 #include "pbd/enumwriter.h"
35 #include "ardour/audioengine.h"
36 #include "ardour/buffer.h"
37 #include "ardour/io.h"
38 #include "ardour/route.h"
39 #include "ardour/port.h"
40 #include "ardour/audio_port.h"
41 #include "ardour/midi_port.h"
42 #include "ardour/session.h"
43 #include "ardour/cycle_timer.h"
44 #include "ardour/buffer_set.h"
45 #include "ardour/meter.h"
46 #include "ardour/amp.h"
47 #include "ardour/user_bundle.h"
51 #define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (AudioEngine::instance()->process_lock())
54 using namespace ARDOUR;
57 const string IO::state_node_name = "IO";
58 bool IO::connecting_legal = false;
59 PBD::Signal0<int> IO::ConnectingLegal;
60 PBD::Signal1<void,ChanCount> IO::PortCountChanged;
62 /** @param default_type The type of port that will be created by ensure_io
63 * and friends if no type is explicitly requested (to avoid breakage).
65 IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
66 : SessionObject (s, name)
68 , _default_type (default_type)
71 pending_state_node = 0;
75 IO::IO (Session& s, const XMLNode& node, DataType dt)
76 : SessionObject(s, "unnamed io")
81 pending_state_node = 0;
83 set_state (node, Stateful::loading_state_version);
89 Glib::Mutex::Lock lm (io_lock);
91 BLOCK_PROCESS_CALLBACK ();
93 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
94 _session.engine().unregister_port (*i);
99 IO::silence (nframes_t nframes)
101 /* io_lock, not taken: function must be called from Session::process() calltree */
103 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
104 i->get_buffer(nframes).silence (nframes);
109 IO::check_bundles_connected ()
111 check_bundles (_bundles_connected, ports());
114 /** Check the bundles in list to see which are connected to a given PortSet,
115 * and update list with those that are connected such that every port on every
116 * bundle channel x is connected to port x in ports.
119 IO::check_bundles (std::vector<UserBundleInfo*>& list, const PortSet& ports)
121 std::vector<UserBundleInfo*> new_list;
123 for (std::vector<UserBundleInfo*>::iterator i = list.begin(); i != list.end(); ++i) {
125 uint32_t const N = (*i)->bundle->nchannels().n_total();
127 if (_ports.num_ports() < N) {
133 for (uint32_t j = 0; j < N; ++j) {
134 /* Every port on bundle channel j must be connected to our input j */
135 Bundle::PortList const pl = (*i)->bundle->channel_ports (j);
136 for (uint32_t k = 0; k < pl.size(); ++k) {
137 if (ports.port(j)->connected_to (pl[k]) == false) {
149 new_list.push_back (*i);
160 IO::disconnect (Port* our_port, string other_port, void* src)
162 if (other_port.length() == 0 || our_port == 0) {
167 BLOCK_PROCESS_CALLBACK ();
170 Glib::Mutex::Lock lm (io_lock);
172 /* check that our_port is really one of ours */
174 if ( ! _ports.contains(our_port)) {
178 /* disconnect it from the source */
180 if (our_port->disconnect (other_port)) {
181 error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
185 check_bundles_connected ();
189 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
190 _session.set_dirty ();
196 IO::connect (Port* our_port, string other_port, void* src)
198 if (other_port.length() == 0 || our_port == 0) {
203 BLOCK_PROCESS_CALLBACK ();
206 Glib::Mutex::Lock lm (io_lock);
208 /* check that our_port is really one of ours */
210 if ( ! _ports.contains(our_port) ) {
214 /* connect it to the source */
216 if (our_port->connect (other_port)) {
222 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
223 _session.set_dirty ();
228 IO::remove_port (Port* port, void* src)
230 IOChange change (NoChange);
233 BLOCK_PROCESS_CALLBACK ();
237 Glib::Mutex::Lock lm (io_lock);
239 if (_ports.remove(port)) {
240 change = IOChange (change|ConfigurationChanged);
242 if (port->connected()) {
243 change = IOChange (change|ConnectionsChanged);
246 _session.engine().unregister_port (*port);
247 check_bundles_connected ();
251 PortCountChanged (n_ports()); /* EMIT SIGNAL */
254 if (change & ConfigurationChanged) {
258 if (change != NoChange) {
259 changed (change, src);
260 _session.set_dirty ();
267 /** Add an output port.
269 * @param destination Name of input port to connect new port to.
270 * @param src Source for emitted ConfigurationChanged signal.
271 * @param type Data type of port. Default value (NIL) will use this IO's default type.
274 IO::add_port (string destination, void* src, DataType type)
278 if (type == DataType::NIL) {
279 type = _default_type;
283 BLOCK_PROCESS_CALLBACK ();
287 Glib::Mutex::Lock lm (io_lock);
289 /* Create a new output port */
291 string portname = build_legal_port_name (type);
293 if (_direction == Input) {
294 if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
295 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
299 if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
300 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
305 _ports.add (our_port);
308 PortCountChanged (n_ports()); /* EMIT SIGNAL */
311 if (destination.length()) {
312 if (our_port->connect (destination)) {
317 // pan_changed (src); /* EMIT SIGNAL */
318 changed (ConfigurationChanged, src); /* EMIT SIGNAL */
320 _session.set_dirty ();
326 IO::disconnect (void* src)
329 BLOCK_PROCESS_CALLBACK ();
332 Glib::Mutex::Lock lm (io_lock);
334 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
335 i->disconnect_all ();
338 check_bundles_connected ();
342 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
348 IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
351 bool changed = false;
353 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
355 const size_t n = count.get(*t);
357 /* remove unused ports */
358 for (size_t i = n_ports().get(*t); i > n; --i) {
359 port = _ports.port(*t, i-1);
363 _session.engine().unregister_port (*port);
368 /* create any necessary new ports */
369 while (n_ports().get(*t) < n) {
371 string portname = build_legal_port_name (*t);
375 if (_direction == Input) {
376 if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
377 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
381 if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
382 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
388 catch (AudioEngine::PortRegistrationFailure& err) {
399 check_bundles_connected ();
400 PortCountChanged (n_ports()); /* EMIT SIGNAL */
401 _session.set_dirty ();
405 /* disconnect all existing ports so that we get a fresh start */
406 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
407 i->disconnect_all ();
416 IO::ensure_ports (ChanCount count, bool clear, bool lockit, void* src)
418 bool changed = false;
420 if (count == n_ports() && !clear) {
425 BLOCK_PROCESS_CALLBACK ();
426 Glib::Mutex::Lock im (io_lock);
427 changed = ensure_ports_locked (count, clear, src);
429 changed = ensure_ports_locked (count, clear, src);
433 this->changed (ConfigurationChanged, src); /* EMIT SIGNAL */
435 _session.set_dirty ();
442 IO::ensure_io (ChanCount count, bool clear, void* src)
444 return ensure_ports (count, clear, true, src);
454 IO::state (bool /*full_state*/)
456 XMLNode* node = new XMLNode (state_node_name);
459 vector<string>::iterator ci;
461 LocaleGuard lg (X_("POSIX"));
462 Glib::Mutex::Lock lm (io_lock);
464 node->add_property("name", _name);
465 id().print (buf, sizeof (buf));
466 node->add_property("id", buf);
467 node->add_property ("direction", enum_2_string (_direction));
468 node->add_property ("default-type", _default_type.to_string());
470 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
471 XMLNode* n = new XMLNode ("Bundle");
472 n->add_property ("name", (*i)->bundle->name ());
473 node->add_child_nocopy (*n);
476 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
478 vector<string> connections;
480 XMLNode* pnode = new XMLNode (X_("Port"));
481 pnode->add_property (X_("type"), i->type().to_string());
482 pnode->add_property (X_("name"), i->name());
484 if (i->get_connections (connections)) {
486 for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
488 /* if its a connection to our own port,
489 return only the port name, not the
490 whole thing. this allows connections
491 to be re-established even when our
492 client name is different.
495 XMLNode* cnode = new XMLNode (X_("Connection"));
497 cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
498 pnode->add_child_nocopy (*cnode);
502 node->add_child_nocopy (*pnode);
509 IO::set_state (const XMLNode& node, int version)
511 /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
512 * are input OR output, not both, so the direction needs to be specified
515 assert (version >= 3000);
517 const XMLProperty* prop;
518 XMLNodeConstIterator iter;
519 LocaleGuard lg (X_("POSIX"));
521 /* force use of non-localized representation of decimal point,
522 since we use it a lot in XML files and so forth.
525 if (node.name() != state_node_name) {
526 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
530 if ((prop = node.property ("name")) != 0) {
531 set_name (prop->value());
534 if ((prop = node.property (X_("default-type"))) != 0) {
535 _default_type = DataType(prop->value());
536 assert(_default_type != DataType::NIL);
539 if ((prop = node.property ("id")) != 0) {
540 _id = prop->value ();
543 if ((prop = node.property ("direction")) != 0) {
544 _direction = (Direction) string_2_enum (prop->value(), _direction);
547 if (create_ports (node, version)) {
551 if (connecting_legal) {
553 if (make_connections (node, version, false)) {
559 pending_state_node = new XMLNode (node);
560 pending_state_node_version = version;
561 pending_state_node_in = false;
562 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
570 IO::set_state_2X (const XMLNode& node, int version, bool in)
572 const XMLProperty* prop;
573 XMLNodeConstIterator iter;
574 LocaleGuard lg (X_("POSIX"));
576 /* force use of non-localized representation of decimal point,
577 since we use it a lot in XML files and so forth.
580 if (node.name() != state_node_name) {
581 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
585 if ((prop = node.property ("name")) != 0) {
586 set_name (prop->value());
589 if ((prop = node.property (X_("default-type"))) != 0) {
590 _default_type = DataType(prop->value());
591 assert(_default_type != DataType::NIL);
594 if ((prop = node.property ("id")) != 0) {
595 _id = prop->value ();
598 _direction = in ? Input : Output;
600 if (create_ports (node, version)) {
604 if (connecting_legal) {
606 if (make_connections_2X (node, version, in)) {
612 pending_state_node = new XMLNode (node);
613 pending_state_node_version = version;
614 pending_state_node_in = in;
615 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
622 IO::connecting_became_legal ()
626 assert (pending_state_node);
628 connection_legal_c.disconnect ();
630 ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
632 delete pending_state_node;
633 pending_state_node = 0;
638 boost::shared_ptr<Bundle>
639 IO::find_possible_bundle (const string &desired_name)
641 static const string digits = "0123456789";
642 const string &default_name = (_direction == Input ? _("in") : _("out"));
643 const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
645 boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
648 int bundle_number, mask;
649 string possible_name;
651 string::size_type last_non_digit_pos;
653 error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
656 // find numeric suffix of desired name
659 last_non_digit_pos = desired_name.find_last_not_of(digits);
661 if (last_non_digit_pos != string::npos) {
663 s << desired_name.substr(last_non_digit_pos);
667 // see if it's a stereo connection e.g. "in 3+4"
669 if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
670 string::size_type left_last_non_digit_pos;
672 left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
674 if (left_last_non_digit_pos != string::npos) {
675 int left_bundle_number = 0;
677 s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
678 s >> left_bundle_number;
680 if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
691 // find highest set bit
693 while ((mask <= bundle_number) && (mask <<= 1)) {}
695 // "wrap" bundle number into largest possible power of 2
700 if (bundle_number & mask) {
701 bundle_number &= ~mask;
704 s << default_name << " " << bundle_number + 1;
707 s << "+" << bundle_number + 2;
710 possible_name = s.str();
712 if ((c = _session.bundle_by_name (possible_name)) != 0) {
719 info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
722 error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
733 IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
735 XMLProperty const * prop;
736 XMLNodeList children = node.children ();
738 uint32_t n_audio = 0;
740 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
742 if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
743 n_audio = count (prop->value().begin(), prop->value().end(), '{');
744 } else if ((prop = node.property ("input-connection")) != 0 && _direction == Input) {
746 } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
747 n_audio = count (prop->value().begin(), prop->value().end(), '{');
748 } else if ((prop = node.property ("output-connection")) != 0 && _direction == Output) {
754 cnt.set_audio (n_audio);
755 n = ChanCount::max (n, cnt);
761 IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
763 if (version < 3000) {
764 return get_port_counts_2X (node, version, n, c);
767 XMLProperty const * prop;
768 XMLNodeConstIterator iter;
769 uint32_t n_audio = 0;
775 if ((prop = node.property ("connection")) != 0) {
777 if ((c = find_possible_bundle (prop->value())) != 0) {
778 n = ChanCount::max (n, c->nchannels());
783 for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
785 if ((*iter)->name() == X_("Bundle")) {
786 if ((c = find_possible_bundle (prop->value())) != 0) {
787 n = ChanCount::max (n, c->nchannels());
794 if ((*iter)->name() == X_("Port")) {
795 prop = (*iter)->property (X_("type"));
801 if (prop->value() == X_("audio")) {
802 cnt.set_audio (++n_audio);
803 } else if (prop->value() == X_("midi")) {
804 cnt.set_midi (++n_midi);
809 n = ChanCount::max (n, cnt);
814 IO::create_ports (const XMLNode& node, int version)
817 boost::shared_ptr<Bundle> c;
819 get_port_counts (node, version, n, c);
821 if (ensure_ports (n, true, true, this)) {
822 error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
832 IO::make_connections (const XMLNode& node, int version, bool in)
834 if (version < 3000) {
835 return make_connections_2X (node, version, in);
838 const XMLProperty* prop;
840 for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
842 if ((*i)->name() == "Bundle") {
843 XMLProperty const * prop = (*i)->property ("name");
845 boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
847 connect_ports_to_bundle (b, this);
854 if ((*i)->name() == "Port") {
856 prop = (*i)->property (X_("name"));
862 Port* p = port_by_name (prop->value());
865 for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
867 XMLNode* cnode = (*c);
869 if (cnode->name() != X_("Connection")) {
873 if ((prop = cnode->property (X_("other"))) == 0) {
878 p->connect (prop->value());
890 IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
892 const XMLProperty* prop;
894 /* XXX: bundles ("connections" as was) */
896 if ((prop = node.property ("inputs")) != 0 && in) {
898 string::size_type ostart = 0;
899 string::size_type start = 0;
900 string::size_type end = 0;
903 vector<string> ports;
905 string const str = prop->value ();
907 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
910 if ((end = str.find_first_of ('}', start)) == string::npos) {
911 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
915 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
916 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
923 for (int x = 0; x < n; ++x) {
924 /* XXX: this is a bit of a hack; need to check if it's always valid */
925 string::size_type const p = ports[x].find ("/out");
926 if (p != string::npos) {
927 ports[x].replace (p, 4, "/audio_out");
929 nth(i)->connect (ports[x]);
939 if ((prop = node.property ("outputs")) != 0 && !in) {
941 string::size_type ostart = 0;
942 string::size_type start = 0;
943 string::size_type end = 0;
946 vector<string> ports;
948 string const str = prop->value ();
950 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
953 if ((end = str.find_first_of ('}', start)) == string::npos) {
954 error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
958 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
959 error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
965 for (int x = 0; x < n; ++x) {
966 /* XXX: this is a bit of a hack; need to check if it's always valid */
967 string::size_type const p = ports[x].find ("/in");
968 if (p != string::npos) {
969 ports[x].replace (p, 3, "/audio_in");
971 nth(i)->connect (ports[x]);
984 IO::set_ports (const string& str)
986 vector<string> ports;
991 if ((nports = count (str.begin(), str.end(), '{')) == 0) {
996 if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, true, this)) {
1000 string::size_type start, end, ostart;
1007 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
1010 if ((end = str.find_first_of ('}', start)) == string::npos) {
1011 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
1015 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
1016 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
1022 for (int x = 0; x < n; ++x) {
1023 connect (nth (i), ports[x], this);
1035 IO::parse_io_string (const string& str, vector<string>& ports)
1037 string::size_type pos, opos;
1039 if (str.length() == 0) {
1048 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1049 ports.push_back (str.substr (opos, pos - opos));
1053 if (opos < str.length()) {
1054 ports.push_back (str.substr(opos));
1057 return ports.size();
1061 IO::parse_gain_string (const string& str, vector<string>& ports)
1063 string::size_type pos, opos;
1069 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1070 ports.push_back (str.substr (opos, pos - opos));
1074 if (opos < str.length()) {
1075 ports.push_back (str.substr(opos));
1078 return ports.size();
1082 IO::set_name (const string& requested_name)
1084 string name = requested_name;
1086 if (_name == name) {
1090 /* replace all colons in the name. i wish we didn't have to do this */
1092 replace_all (name, ":", "-");
1094 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1095 string current_name = i->name();
1096 current_name.replace (current_name.find (_name), _name.val().length(), name);
1097 i->set_name (current_name);
1100 bool const r = SessionObject::set_name (name);
1108 IO::set_port_latency (nframes_t nframes)
1110 Glib::Mutex::Lock lm (io_lock);
1112 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1113 i->set_latency (nframes);
1118 IO::latency () const
1120 nframes_t max_latency;
1125 /* io lock not taken - must be protected by other means */
1127 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1128 if ((latency = i->total_latency ()) > max_latency) {
1129 max_latency = latency;
1137 IO::update_port_total_latencies ()
1139 /* io_lock, not taken: function must be called from Session::process() calltree */
1141 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1142 _session.engine().update_total_latency (*i);
1147 IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
1150 BLOCK_PROCESS_CALLBACK ();
1151 Glib::Mutex::Lock lm2 (io_lock);
1153 c->connect (_bundle, _session.engine());
1155 /* If this is a UserBundle, make a note of what we've done */
1157 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1160 /* See if we already know about this one */
1161 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1162 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1166 if (i == _bundles_connected.end()) {
1167 /* We don't, so make a note */
1168 _bundles_connected.push_back (new UserBundleInfo (this, ub));
1173 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1178 IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
1181 BLOCK_PROCESS_CALLBACK ();
1182 Glib::Mutex::Lock lm2 (io_lock);
1184 c->disconnect (_bundle, _session.engine());
1186 /* If this is a UserBundle, make a note of what we've done */
1188 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1191 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1192 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1196 if (i != _bundles_connected.end()) {
1198 _bundles_connected.erase (i);
1203 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1209 IO::disable_connecting ()
1211 connecting_legal = false;
1216 IO::enable_connecting ()
1218 connecting_legal = true;
1219 boost::optional<int> r = ConnectingLegal ();
1220 return r.get_value_or (0);
1224 IO::bundle_changed (Bundle::Change /*c*/)
1227 // connect_input_ports_to_bundle (_input_bundle, this);
1232 IO::build_legal_port_name (DataType type)
1234 const int name_size = jack_port_name_size();
1238 if (type == DataType::AUDIO) {
1239 suffix = _("audio");
1240 } else if (type == DataType::MIDI) {
1243 throw unknown_type();
1246 /* note that if "in" or "out" are translated it will break a session
1247 across locale switches because a port's connection list will
1248 show (old) translated names, but the current port name will
1249 use the (new) translated name.
1252 if (_direction == Input) {
1253 suffix += X_("_in");
1255 suffix += X_("_out");
1258 // allow up to 4 digits for the output port number, plus the slash, suffix and extra space
1260 limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
1262 char buf1[name_size+1];
1263 char buf2[name_size+1];
1265 snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.val().c_str(), suffix.c_str());
1267 int port_number = find_port_hole (buf1);
1268 snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
1270 return string (buf2);
1274 IO::find_port_hole (const char* base)
1276 /* CALLER MUST HOLD IO LOCK */
1280 if (_ports.empty()) {
1284 /* we only allow up to 4 characters for the port number
1287 for (n = 1; n < 9999; ++n) {
1288 char buf[jack_port_name_size()];
1289 PortSet::iterator i = _ports.begin();
1291 snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
1293 for ( ; i != _ports.end(); ++i) {
1294 if (i->name() == buf) {
1299 if (i == _ports.end()) {
1308 IO::audio(uint32_t n) const
1310 return _ports.nth_audio_port (n);
1315 IO::midi(uint32_t n) const
1317 return _ports.nth_midi_port (n);
1321 * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
1330 _bundle.reset (new Bundle (_direction == Input));
1333 _bundle->suspend_signals ();
1335 _bundle->remove_channels ();
1337 if (_direction == Input) {
1338 snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
1340 snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
1342 _bundle->set_name (buf);
1343 uint32_t const ni = _ports.num_ports();
1344 for (uint32_t i = 0; i < ni; ++i) {
1345 _bundle->add_channel (bundle_channel_name (i, ni), _ports.port(i)->type());
1346 _bundle->set_port (i, _session.engine().make_port_name_non_relative (_ports.port(i)->name()));
1349 _bundle->resume_signals ();
1352 /** @return Bundles connected to our ports */
1354 IO::bundles_connected ()
1359 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
1360 bundles.push_back ((*i)->bundle);
1363 /* Session bundles */
1364 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
1365 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
1366 if ((*i)->connected_to (_bundle, _session.engine())) {
1367 bundles.push_back (*i);
1373 boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
1375 if (_direction == Input) {
1376 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1377 if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
1378 bundles.push_back ((*i)->output()->bundle());
1382 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1383 if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
1384 bundles.push_back ((*i)->input()->bundle());
1393 IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
1396 b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
1400 IO::bundle_channel_name (uint32_t c, uint32_t n) const
1408 return c == 0 ? _("L") : _("R");
1410 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1418 IO::name_from_state (const XMLNode& node)
1420 const XMLProperty* prop;
1422 if ((prop = node.property ("name")) != 0) {
1423 return prop->value();
1430 IO::set_name_in_state (XMLNode& node, const string& new_name)
1432 const XMLProperty* prop;
1434 if ((prop = node.property ("name")) != 0) {
1435 node.add_property ("name", new_name);
1440 IO::connected () const
1442 /* do we have any connections at all? */
1444 for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
1445 if (p->connected()) {
1454 IO::connected_to (boost::shared_ptr<const IO> other) const
1457 return connected ();
1460 assert (_direction != other->direction());
1463 uint32_t no = n_ports().n_total();
1464 uint32_t ni = other->n_ports ().n_total();
1466 for (i = 0; i < no; ++i) {
1467 for (j = 0; j < ni; ++j) {
1468 if (nth(i)->connected_to (other->nth(j)->name())) {
1478 IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
1482 /* don't read the data into new buffers - just use the port buffers directly */
1484 bufs.attach_buffers (_ports, nframes, 0);
1485 proc->run (bufs, start_frame, end_frame, nframes, true);
1489 IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
1491 assert(bufs.available() >= _ports.count());
1493 if (_ports.count() == ChanCount::ZERO) {
1497 bufs.set_count (_ports.count());
1499 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1500 PortSet::iterator i = _ports.begin(*t);
1501 BufferSet::iterator b = bufs.begin(*t);
1503 for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
1504 if (b == bufs.end(*t)) {
1509 for ( ; i != _ports.end(*t); ++i, ++b) {
1510 Buffer& bb (i->get_buffer (nframes));
1511 b->read_from (bb, nframes);
1517 IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
1519 // Copy any buffers 1:1 to outputs
1521 PortSet::iterator o = _ports.begin(type);
1522 BufferSet::iterator i = bufs.begin(type);
1523 BufferSet::iterator prev = i;
1525 while (i != bufs.end(type) && o != _ports.end (type)) {
1526 Buffer& port_buffer (o->get_buffer (nframes));
1527 port_buffer.read_from (*i, nframes, offset);
1533 // Copy last buffer to any extra outputs
1535 while (o != _ports.end(type)) {
1536 Buffer& port_buffer (o->get_buffer (nframes));
1537 port_buffer.read_from (*prev, nframes, offset);
1543 IO::port_by_name (const std::string& str) const
1545 /* to be called only from ::set_state() - no locking */
1547 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1551 if (p.name() == str) {
1552 return const_cast<Port*>(&p);
1560 IO::physically_connected () const
1562 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1563 if (i->physically_connected()) {