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.
27 #include <glibmm/thread.h>
29 #include "pbd/xml++.h"
30 #include "pbd/replace_all.h"
31 #include "pbd/unknown_type.h"
32 #include "pbd/enumwriter.h"
34 #include "ardour/audioengine.h"
35 #include "ardour/buffer.h"
36 #include "ardour/io.h"
37 #include "ardour/route.h"
38 #include "ardour/port.h"
39 #include "ardour/audio_port.h"
40 #include "ardour/midi_port.h"
41 #include "ardour/session.h"
42 #include "ardour/cycle_timer.h"
43 #include "ardour/buffer_set.h"
44 #include "ardour/meter.h"
45 #include "ardour/amp.h"
46 #include "ardour/user_bundle.h"
53 A bug in OS X's cmath that causes isnan() and isinf() to be
54 "undeclared". the following works around that
57 #if defined(__APPLE__) && defined(__MACH__)
58 extern "C" int isnan (double);
59 extern "C" int isinf (double);
62 #define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (_session.engine().process_lock())
65 using namespace ARDOUR;
68 const string IO::state_node_name = "IO";
69 bool IO::connecting_legal = false;
70 PBD::Signal0<int> IO::ConnectingLegal;
71 PBD::Signal1<void,ChanCount> IO::PortCountChanged;
73 /** @param default_type The type of port that will be created by ensure_io
74 * and friends if no type is explicitly requested (to avoid breakage).
76 IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
77 : SessionObject (s, name)
79 , _default_type (default_type)
82 pending_state_node = 0;
86 IO::IO (Session& s, const XMLNode& node, DataType dt)
87 : SessionObject(s, "unnamed io")
92 pending_state_node = 0;
94 set_state (node, Stateful::loading_state_version);
100 Glib::Mutex::Lock lm (io_lock);
102 BLOCK_PROCESS_CALLBACK ();
104 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
105 _session.engine().unregister_port (*i);
110 IO::silence (nframes_t nframes)
112 /* io_lock, not taken: function must be called from Session::process() calltree */
114 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
115 i->get_buffer(nframes).silence (nframes);
120 IO::check_bundles_connected ()
122 check_bundles (_bundles_connected, ports());
126 IO::check_bundles (std::vector<UserBundleInfo*>& list, const PortSet& ports)
128 std::vector<UserBundleInfo*> new_list;
130 for (std::vector<UserBundleInfo*>::iterator i = list.begin(); i != list.end(); ++i) {
132 uint32_t const N = (*i)->bundle->nchannels ();
134 if (_ports.num_ports (default_type()) < N) {
140 for (uint32_t j = 0; j < N; ++j) {
141 /* Every port on bundle channel j must be connected to our input j */
142 Bundle::PortList const pl = (*i)->bundle->channel_ports (j);
143 for (uint32_t k = 0; k < pl.size(); ++k) {
144 if (ports.port(j)->connected_to (pl[k]) == false) {
156 new_list.push_back (*i);
167 IO::disconnect (Port* our_port, string other_port, void* src)
169 if (other_port.length() == 0 || our_port == 0) {
174 BLOCK_PROCESS_CALLBACK ();
177 Glib::Mutex::Lock lm (io_lock);
179 /* check that our_port is really one of ours */
181 if ( ! _ports.contains(our_port)) {
185 /* disconnect it from the source */
187 if (our_port->disconnect (other_port)) {
188 error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
192 check_bundles_connected ();
196 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
197 _session.set_dirty ();
203 IO::connect (Port* our_port, string other_port, void* src)
205 if (other_port.length() == 0 || our_port == 0) {
210 BLOCK_PROCESS_CALLBACK ();
213 Glib::Mutex::Lock lm (io_lock);
215 /* check that our_port is really one of ours */
217 if ( ! _ports.contains(our_port) ) {
221 /* connect it to the source */
223 if (our_port->connect (other_port)) {
229 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
230 _session.set_dirty ();
235 IO::remove_port (Port* port, void* src)
237 IOChange change (NoChange);
240 BLOCK_PROCESS_CALLBACK ();
244 Glib::Mutex::Lock lm (io_lock);
246 if (_ports.remove(port)) {
247 change = IOChange (change|ConfigurationChanged);
249 if (port->connected()) {
250 change = IOChange (change|ConnectionsChanged);
253 _session.engine().unregister_port (*port);
254 check_bundles_connected ();
258 PortCountChanged (n_ports()); /* EMIT SIGNAL */
261 if (change & ConfigurationChanged) {
265 if (change != NoChange) {
266 changed (change, src);
267 _session.set_dirty ();
274 /** Add an output port.
276 * @param destination Name of input port to connect new port to.
277 * @param src Source for emitted ConfigurationChanged signal.
278 * @param type Data type of port. Default value (NIL) will use this IO's default type.
281 IO::add_port (string destination, void* src, DataType type)
285 if (type == DataType::NIL) {
286 type = _default_type;
290 BLOCK_PROCESS_CALLBACK ();
294 Glib::Mutex::Lock lm (io_lock);
296 /* Create a new output port */
298 string portname = build_legal_port_name (type);
300 if (_direction == Input) {
301 if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
302 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
306 if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
307 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
312 _ports.add (our_port);
315 PortCountChanged (n_ports()); /* EMIT SIGNAL */
318 if (destination.length()) {
319 if (our_port->connect (destination)) {
324 // pan_changed (src); /* EMIT SIGNAL */
325 changed (ConfigurationChanged, src); /* EMIT SIGNAL */
327 _session.set_dirty ();
333 IO::disconnect (void* src)
336 BLOCK_PROCESS_CALLBACK ();
339 Glib::Mutex::Lock lm (io_lock);
341 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
342 i->disconnect_all ();
345 check_bundles_connected ();
349 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
355 IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
358 bool changed = false;
360 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
362 const size_t n = count.get(*t);
364 /* remove unused ports */
365 for (size_t i = n_ports().get(*t); i > n; --i) {
366 port = _ports.port(*t, i-1);
370 _session.engine().unregister_port (*port);
375 /* create any necessary new ports */
376 while (n_ports().get(*t) < n) {
378 string portname = build_legal_port_name (*t);
382 if (_direction == Input) {
383 if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
384 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
388 if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
389 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
395 catch (AudioEngine::PortRegistrationFailure& err) {
397 throw AudioEngine::PortRegistrationFailure();
406 check_bundles_connected ();
407 PortCountChanged (n_ports()); /* EMIT SIGNAL */
408 _session.set_dirty ();
412 /* disconnect all existing ports so that we get a fresh start */
413 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
414 i->disconnect_all ();
423 IO::ensure_ports (ChanCount count, bool clear, bool lockit, void* src)
425 bool changed = false;
427 if (count == n_ports() && !clear) {
432 BLOCK_PROCESS_CALLBACK ();
433 Glib::Mutex::Lock im (io_lock);
434 changed = ensure_ports_locked (count, clear, src);
436 changed = ensure_ports_locked (count, clear, src);
440 this->changed (ConfigurationChanged, src); /* EMIT SIGNAL */
442 _session.set_dirty ();
449 IO::ensure_io (ChanCount count, bool clear, void* src)
451 return ensure_ports (count, clear, true, src);
461 IO::state (bool /*full_state*/)
463 XMLNode* node = new XMLNode (state_node_name);
466 vector<string>::iterator ci;
468 LocaleGuard lg (X_("POSIX"));
469 Glib::Mutex::Lock lm (io_lock);
471 node->add_property("name", _name);
472 id().print (buf, sizeof (buf));
473 node->add_property("id", buf);
474 node->add_property ("direction", enum_2_string (_direction));
475 node->add_property ("default-type", _default_type.to_string());
477 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
478 XMLNode* n = new XMLNode ("Bundle");
479 n->add_property ("name", (*i)->bundle->name ());
480 node->add_child_nocopy (*n);
483 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
485 vector<string> connections;
487 XMLNode* pnode = new XMLNode (X_("Port"));
488 pnode->add_property (X_("type"), i->type().to_string());
489 pnode->add_property (X_("name"), i->name());
491 if (i->get_connections (connections)) {
493 for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
495 /* if its a connection to our own port,
496 return only the port name, not the
497 whole thing. this allows connections
498 to be re-established even when our
499 client name is different.
502 XMLNode* cnode = new XMLNode (X_("Connection"));
504 cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
505 pnode->add_child_nocopy (*cnode);
509 node->add_child_nocopy (*pnode);
516 IO::set_state (const XMLNode& node, int version)
518 /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
519 * are input OR output, not both, so the direction needs to be specified
522 assert (version >= 3000);
524 const XMLProperty* prop;
525 XMLNodeConstIterator iter;
526 LocaleGuard lg (X_("POSIX"));
528 /* force use of non-localized representation of decimal point,
529 since we use it a lot in XML files and so forth.
532 if (node.name() != state_node_name) {
533 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
537 if ((prop = node.property ("name")) != 0) {
538 set_name (prop->value());
541 if ((prop = node.property (X_("default-type"))) != 0) {
542 _default_type = DataType(prop->value());
543 assert(_default_type != DataType::NIL);
546 if ((prop = node.property ("id")) != 0) {
547 _id = prop->value ();
550 if ((prop = node.property ("direction")) != 0) {
551 _direction = (Direction) string_2_enum (prop->value(), _direction);
554 if (create_ports (node, version)) {
558 if (connecting_legal) {
560 if (make_connections (node, version, false)) {
566 pending_state_node = new XMLNode (node);
567 pending_state_node_version = version;
568 pending_state_node_in = false;
569 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
577 IO::set_state_2X (const XMLNode& node, int version, bool in)
579 const XMLProperty* prop;
580 XMLNodeConstIterator iter;
581 LocaleGuard lg (X_("POSIX"));
583 /* force use of non-localized representation of decimal point,
584 since we use it a lot in XML files and so forth.
587 if (node.name() != state_node_name) {
588 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
592 if ((prop = node.property ("name")) != 0) {
593 set_name (prop->value());
596 if ((prop = node.property (X_("default-type"))) != 0) {
597 _default_type = DataType(prop->value());
598 assert(_default_type != DataType::NIL);
601 if ((prop = node.property ("id")) != 0) {
602 _id = prop->value ();
605 _direction = in ? Input : Output;
607 if (create_ports (node, version)) {
611 if (connecting_legal) {
613 if (make_connections_2X (node, version, in)) {
619 pending_state_node = new XMLNode (node);
620 pending_state_node_version = version;
621 pending_state_node_in = in;
622 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
629 IO::connecting_became_legal ()
633 assert (pending_state_node);
635 connection_legal_c.disconnect ();
637 ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
639 delete pending_state_node;
640 pending_state_node = 0;
645 boost::shared_ptr<Bundle>
646 IO::find_possible_bundle (const string &desired_name)
648 static const string digits = "0123456789";
649 const string &default_name = (_direction == Input ? _("in") : _("out"));
650 const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
652 boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
655 int bundle_number, mask;
656 string possible_name;
658 string::size_type last_non_digit_pos;
660 error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
663 // find numeric suffix of desired name
666 last_non_digit_pos = desired_name.find_last_not_of(digits);
668 if (last_non_digit_pos != string::npos) {
670 s << desired_name.substr(last_non_digit_pos);
674 // see if it's a stereo connection e.g. "in 3+4"
676 if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
677 string::size_type left_last_non_digit_pos;
679 left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
681 if (left_last_non_digit_pos != string::npos) {
682 int left_bundle_number = 0;
684 s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
685 s >> left_bundle_number;
687 if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
698 // find highest set bit
700 while ((mask <= bundle_number) && (mask <<= 1)) {}
702 // "wrap" bundle number into largest possible power of 2
707 if (bundle_number & mask) {
708 bundle_number &= ~mask;
711 s << default_name << " " << bundle_number + 1;
714 s << "+" << bundle_number + 2;
717 possible_name = s.str();
719 if ((c = _session.bundle_by_name (possible_name)) != 0) {
726 info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
729 error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
740 IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
742 XMLProperty const * prop;
743 XMLNodeList children = node.children ();
745 uint32_t n_audio = 0;
747 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
749 if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
750 n_audio = count (prop->value().begin(), prop->value().end(), '{');
751 } else if ((prop = node.property ("input-connection")) != 0 && _direction == Input) {
753 } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
754 n_audio = count (prop->value().begin(), prop->value().end(), '{');
755 } else if ((prop = node.property ("output-connection")) != 0 && _direction == Output) {
761 cnt.set_audio (n_audio);
762 n = ChanCount::max (n, cnt);
768 IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
770 if (version < 3000) {
771 return get_port_counts_2X (node, version, n, c);
774 XMLProperty const * prop;
775 XMLNodeConstIterator iter;
776 uint32_t n_audio = 0;
782 if ((prop = node.property ("connection")) != 0) {
784 if ((c = find_possible_bundle (prop->value())) != 0) {
785 n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
790 for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
792 if ((*iter)->name() == X_("Bundle")) {
793 if ((c = find_possible_bundle (prop->value())) != 0) {
794 n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
801 if ((*iter)->name() == X_("Port")) {
802 prop = (*iter)->property (X_("type"));
808 if (prop->value() == X_("audio")) {
809 cnt.set_audio (++n_audio);
810 } else if (prop->value() == X_("midi")) {
811 cnt.set_midi (++n_midi);
816 n = ChanCount::max (n, cnt);
821 IO::create_ports (const XMLNode& node, int version)
824 boost::shared_ptr<Bundle> c;
826 get_port_counts (node, version, n, c);
828 if (ensure_ports (n, true, true, this)) {
829 error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
839 IO::make_connections (const XMLNode& node, int version, bool in)
841 if (version < 3000) {
842 return make_connections_2X (node, version, in);
845 const XMLProperty* prop;
847 for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
849 if ((*i)->name() == "Bundle") {
850 XMLProperty const * prop = (*i)->property ("name");
852 boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
854 connect_ports_to_bundle (b, this);
861 if ((*i)->name() == "Port") {
863 prop = (*i)->property (X_("name"));
869 Port* p = port_by_name (prop->value());
872 for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
874 XMLNode* cnode = (*c);
876 if (cnode->name() != X_("Connection")) {
880 if ((prop = cnode->property (X_("other"))) == 0) {
885 p->connect (prop->value());
897 IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
899 const XMLProperty* prop;
901 /* XXX: bundles ("connections" as was) */
903 if ((prop = node.property ("inputs")) != 0 && in) {
905 string::size_type ostart = 0;
906 string::size_type start = 0;
907 string::size_type end = 0;
910 vector<string> ports;
912 string const str = prop->value ();
914 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
917 if ((end = str.find_first_of ('}', start)) == string::npos) {
918 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
922 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
923 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
930 for (int x = 0; x < n; ++x) {
931 /* XXX: this is a bit of a hack; need to check if it's always valid */
932 string::size_type const p = ports[x].find ("/out");
933 if (p != string::npos) {
934 ports[x].replace (p, 4, "/audio_out");
936 nth(i)->connect (ports[x]);
946 if ((prop = node.property ("outputs")) != 0 && !in) {
948 string::size_type ostart = 0;
949 string::size_type start = 0;
950 string::size_type end = 0;
953 vector<string> ports;
955 string const str = prop->value ();
957 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
960 if ((end = str.find_first_of ('}', start)) == string::npos) {
961 error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
965 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
966 error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
972 for (int x = 0; x < n; ++x) {
973 /* XXX: this is a bit of a hack; need to check if it's always valid */
974 string::size_type const p = ports[x].find ("/in");
975 if (p != string::npos) {
976 ports[x].replace (p, 3, "/audio_in");
978 nth(i)->connect (ports[x]);
991 IO::set_ports (const string& str)
993 vector<string> ports;
998 if ((nports = count (str.begin(), str.end(), '{')) == 0) {
1002 // FIXME: audio-only
1003 if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, true, this)) {
1007 string::size_type start, end, ostart;
1014 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
1017 if ((end = str.find_first_of ('}', start)) == string::npos) {
1018 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
1022 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
1023 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
1029 for (int x = 0; x < n; ++x) {
1030 connect (nth (i), ports[x], this);
1042 IO::parse_io_string (const string& str, vector<string>& ports)
1044 string::size_type pos, opos;
1046 if (str.length() == 0) {
1055 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1056 ports.push_back (str.substr (opos, pos - opos));
1060 if (opos < str.length()) {
1061 ports.push_back (str.substr(opos));
1064 return ports.size();
1068 IO::parse_gain_string (const string& str, vector<string>& ports)
1070 string::size_type pos, opos;
1076 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1077 ports.push_back (str.substr (opos, pos - opos));
1081 if (opos < str.length()) {
1082 ports.push_back (str.substr(opos));
1085 return ports.size();
1089 IO::set_name (const string& requested_name)
1091 string name = requested_name;
1093 if (_name == name) {
1097 /* replace all colons in the name. i wish we didn't have to do this */
1099 if (replace_all (name, ":", "-")) {
1100 warning << _("you cannot use colons to name objects with I/O connections") << endmsg;
1103 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1104 string current_name = i->name();
1105 current_name.replace (current_name.find (_name), _name.val().length(), name);
1106 i->set_name (current_name);
1109 bool const r = SessionObject::set_name (name);
1117 IO::set_port_latency (nframes_t nframes)
1119 Glib::Mutex::Lock lm (io_lock);
1121 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1122 i->set_latency (nframes);
1127 IO::latency () const
1129 nframes_t max_latency;
1134 /* io lock not taken - must be protected by other means */
1136 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1137 if ((latency = i->total_latency ()) > max_latency) {
1138 max_latency = latency;
1146 IO::update_port_total_latencies ()
1148 /* io_lock, not taken: function must be called from Session::process() calltree */
1150 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1151 _session.engine().update_total_latency (*i);
1156 IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
1159 BLOCK_PROCESS_CALLBACK ();
1160 Glib::Mutex::Lock lm2 (io_lock);
1162 c->connect (_bundle, _session.engine());
1164 /* If this is a UserBundle, make a note of what we've done */
1166 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1169 /* See if we already know about this one */
1170 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1171 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1175 if (i == _bundles_connected.end()) {
1176 /* We don't, so make a note */
1177 _bundles_connected.push_back (new UserBundleInfo (this, ub));
1182 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1187 IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
1190 BLOCK_PROCESS_CALLBACK ();
1191 Glib::Mutex::Lock lm2 (io_lock);
1193 c->disconnect (_bundle, _session.engine());
1195 /* If this is a UserBundle, make a note of what we've done */
1197 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1200 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1201 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1205 if (i != _bundles_connected.end()) {
1207 _bundles_connected.erase (i);
1212 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1218 IO::disable_connecting ()
1220 connecting_legal = false;
1225 IO::enable_connecting ()
1227 connecting_legal = true;
1228 boost::optional<int> r = ConnectingLegal ();
1229 return r.get_value_or (0);
1233 IO::bundle_changed (Bundle::Change /*c*/)
1236 // connect_input_ports_to_bundle (_input_bundle, this);
1241 IO::build_legal_port_name (DataType type)
1243 const int name_size = jack_port_name_size();
1247 if (type == DataType::AUDIO) {
1248 suffix = _("audio");
1249 } else if (type == DataType::MIDI) {
1252 throw unknown_type();
1255 /* note that if "in" or "out" are translated it will break a session
1256 across locale switches because a port's connection list will
1257 show (old) translated names, but the current port name will
1258 use the (new) translated name.
1261 if (_direction == Input) {
1262 suffix += X_("_in");
1264 suffix += X_("_out");
1267 // allow up to 4 digits for the output port number, plus the slash, suffix and extra space
1269 limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
1271 char buf1[name_size+1];
1272 char buf2[name_size+1];
1274 snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.val().c_str(), suffix.c_str());
1276 int port_number = find_port_hole (buf1);
1277 snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
1279 return string (buf2);
1283 IO::find_port_hole (const char* base)
1285 /* CALLER MUST HOLD IO LOCK */
1289 if (_ports.empty()) {
1293 /* we only allow up to 4 characters for the port number
1296 for (n = 1; n < 9999; ++n) {
1297 char buf[jack_port_name_size()];
1298 PortSet::iterator i = _ports.begin();
1300 snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
1302 for ( ; i != _ports.end(); ++i) {
1303 if (i->name() == buf) {
1308 if (i == _ports.end()) {
1317 IO::audio(uint32_t n) const
1319 return _ports.nth_audio_port (n);
1324 IO::midi(uint32_t n) const
1326 return _ports.nth_midi_port (n);
1330 * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
1339 _bundle.reset (new Bundle (_direction == Input));
1342 _bundle->suspend_signals ();
1344 _bundle->set_type (default_type ());
1346 _bundle->remove_channels ();
1348 if (_direction == Input) {
1349 snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
1351 snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
1353 _bundle->set_name (buf);
1354 uint32_t const ni = _ports.num_ports();
1355 for (uint32_t i = 0; i < ni; ++i) {
1356 _bundle->add_channel (bundle_channel_name (i, ni));
1357 _bundle->set_port (i, _session.engine().make_port_name_non_relative (_ports.port(i)->name()));
1360 _bundle->resume_signals ();
1363 /** @return Bundles connected to our ports */
1365 IO::bundles_connected ()
1370 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
1371 bundles.push_back ((*i)->bundle);
1374 /* Session bundles */
1375 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
1376 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
1377 if ((*i)->connected_to (_bundle, _session.engine())) {
1378 bundles.push_back (*i);
1384 boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
1386 if (_direction == Input) {
1387 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1388 if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
1389 bundles.push_back ((*i)->output()->bundle());
1393 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1394 if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
1395 bundles.push_back ((*i)->input()->bundle());
1404 IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
1407 b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
1411 IO::bundle_channel_name (uint32_t c, uint32_t n) const
1419 return c == 0 ? _("L") : _("R");
1421 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1429 IO::name_from_state (const XMLNode& node)
1431 const XMLProperty* prop;
1433 if ((prop = node.property ("name")) != 0) {
1434 return prop->value();
1441 IO::set_name_in_state (XMLNode& node, const string& new_name)
1443 const XMLProperty* prop;
1445 if ((prop = node.property ("name")) != 0) {
1446 node.add_property ("name", new_name);
1451 IO::connected () const
1453 /* do we have any connections at all? */
1455 for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
1456 if (p->connected()) {
1465 IO::connected_to (boost::shared_ptr<const IO> other) const
1468 return connected ();
1471 assert (_direction != other->direction());
1474 uint32_t no = n_ports().n_total();
1475 uint32_t ni = other->n_ports ().n_total();
1477 for (i = 0; i < no; ++i) {
1478 for (j = 0; j < ni; ++j) {
1479 if (nth(i)->connected_to (other->nth(j)->name())) {
1489 IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
1493 /* don't read the data into new buffers - just use the port buffers directly */
1495 bufs.attach_buffers (_ports, nframes, 0);
1496 proc->run (bufs, start_frame, end_frame, nframes, true);
1500 IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
1502 assert(bufs.available() >= _ports.count());
1504 if (_ports.count() == ChanCount::ZERO) {
1508 bufs.set_count (_ports.count());
1510 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1511 PortSet::iterator i = _ports.begin(*t);
1512 BufferSet::iterator b = bufs.begin(*t);
1514 for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
1515 if (b == bufs.end(*t)) {
1520 for ( ; i != _ports.end(*t); ++i, ++b) {
1521 Buffer& bb (i->get_buffer (nframes));
1522 b->read_from (bb, nframes);
1528 IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
1530 // Copy any buffers 1:1 to outputs
1532 PortSet::iterator o = _ports.begin(type);
1533 BufferSet::iterator i = bufs.begin(type);
1534 BufferSet::iterator prev = i;
1536 while (i != bufs.end(type) && o != _ports.end (type)) {
1537 Buffer& port_buffer (o->get_buffer (nframes));
1538 port_buffer.read_from (*i, nframes, offset);
1544 // Copy last buffer to any extra outputs
1546 while (o != _ports.end(type)) {
1547 Buffer& port_buffer (o->get_buffer (nframes));
1548 port_buffer.read_from (*prev, nframes, offset);
1554 IO::port_by_name (const std::string& str) const
1556 /* to be called only from ::set_state() - no locking */
1558 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1562 if (p.name() == str) {
1563 return const_cast<Port*>(&p);