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.
25 #include <sigc++/bind.h>
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"
54 A bug in OS X's cmath that causes isnan() and isinf() to be
55 "undeclared". the following works around that
58 #if defined(__APPLE__) && defined(__MACH__)
59 extern "C" int isnan (double);
60 extern "C" int isinf (double);
63 #define BLOCK_PROCESS_CALLBACK() Glib::Mutex::Lock em (_session.engine().process_lock())
66 using namespace ARDOUR;
69 const string IO::state_node_name = "IO";
70 bool IO::connecting_legal = false;
71 sigc::signal<int> IO::ConnectingLegal;
72 sigc::signal<void,ChanCount> IO::PortCountChanged;
74 /** @param default_type The type of port that will be created by ensure_io
75 * and friends if no type is explicitly requested (to avoid breakage).
77 IO::IO (Session& s, const string& name, Direction dir, DataType default_type)
78 : SessionObject (s, name)
80 , _default_type (default_type)
83 pending_state_node = 0;
87 IO::IO (Session& s, const XMLNode& node, DataType dt)
88 : SessionObject(s, "unnamed io")
93 pending_state_node = 0;
95 set_state (node, Stateful::loading_state_version);
101 Glib::Mutex::Lock lm (io_lock);
103 BLOCK_PROCESS_CALLBACK ();
105 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
106 _session.engine().unregister_port (*i);
111 IO::silence (nframes_t nframes)
113 /* io_lock, not taken: function must be called from Session::process() calltree */
115 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
116 i->get_buffer(nframes).silence (nframes);
121 IO::check_bundles_connected ()
123 check_bundles (_bundles_connected, ports());
127 IO::check_bundles (std::vector<UserBundleInfo>& list, const PortSet& ports)
129 std::vector<UserBundleInfo> new_list;
131 for (std::vector<UserBundleInfo>::iterator i = list.begin(); i != list.end(); ++i) {
133 uint32_t const N = i->bundle->nchannels ();
135 if (_ports.num_ports (default_type()) < N) {
141 for (uint32_t j = 0; j < N; ++j) {
142 /* Every port on bundle channel j must be connected to our input j */
143 Bundle::PortList const pl = i->bundle->channel_ports (j);
144 for (uint32_t k = 0; k < pl.size(); ++k) {
145 if (ports.port(j)->connected_to (pl[k]) == false) {
157 new_list.push_back (*i);
159 i->changed.disconnect ();
168 IO::disconnect (Port* our_port, string other_port, void* src)
170 if (other_port.length() == 0 || our_port == 0) {
175 BLOCK_PROCESS_CALLBACK ();
178 Glib::Mutex::Lock lm (io_lock);
180 /* check that our_port is really one of ours */
182 if ( ! _ports.contains(our_port)) {
186 /* disconnect it from the source */
188 if (our_port->disconnect (other_port)) {
189 error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
193 check_bundles_connected ();
197 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
198 _session.set_dirty ();
204 IO::connect (Port* our_port, string other_port, void* src)
206 if (other_port.length() == 0 || our_port == 0) {
211 BLOCK_PROCESS_CALLBACK ();
214 Glib::Mutex::Lock lm (io_lock);
216 /* check that our_port is really one of ours */
218 if ( ! _ports.contains(our_port) ) {
222 /* connect it to the source */
224 if (our_port->connect (other_port)) {
230 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
231 _session.set_dirty ();
236 IO::remove_port (Port* port, void* src)
238 IOChange change (NoChange);
241 BLOCK_PROCESS_CALLBACK ();
245 Glib::Mutex::Lock lm (io_lock);
247 if (_ports.remove(port)) {
248 change = IOChange (change|ConfigurationChanged);
250 if (port->connected()) {
251 change = IOChange (change|ConnectionsChanged);
254 _session.engine().unregister_port (*port);
255 check_bundles_connected ();
259 PortCountChanged (n_ports()); /* EMIT SIGNAL */
262 if (change & ConfigurationChanged) {
266 if (change != NoChange) {
267 changed (change, src);
268 _session.set_dirty ();
275 /** Add an output port.
277 * @param destination Name of input port to connect new port to.
278 * @param src Source for emitted ConfigurationChanged signal.
279 * @param type Data type of port. Default value (NIL) will use this IO's default type.
282 IO::add_port (string destination, void* src, DataType type)
286 if (type == DataType::NIL) {
287 type = _default_type;
291 BLOCK_PROCESS_CALLBACK ();
295 Glib::Mutex::Lock lm (io_lock);
297 /* Create a new output port */
299 string portname = build_legal_port_name (type);
301 if (_direction == Input) {
302 if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
303 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
307 if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
308 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
313 _ports.add (our_port);
316 PortCountChanged (n_ports()); /* EMIT SIGNAL */
319 if (destination.length()) {
320 if (our_port->connect (destination)) {
325 // pan_changed (src); /* EMIT SIGNAL */
326 changed (ConfigurationChanged, src); /* EMIT SIGNAL */
328 _session.set_dirty ();
334 IO::disconnect (void* src)
337 BLOCK_PROCESS_CALLBACK ();
340 Glib::Mutex::Lock lm (io_lock);
342 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
343 i->disconnect_all ();
346 check_bundles_connected ();
350 changed (ConnectionsChanged, src); /* EMIT SIGNAL */
356 IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
359 bool changed = false;
361 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
363 const size_t n = count.get(*t);
365 /* remove unused ports */
366 for (size_t i = n_ports().get(*t); i > n; --i) {
367 port = _ports.port(*t, i-1);
371 _session.engine().unregister_port (*port);
376 /* create any necessary new ports */
377 while (n_ports().get(*t) < n) {
379 string portname = build_legal_port_name (*t);
383 if (_direction == Input) {
384 if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
385 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
389 if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
390 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
396 catch (AudioEngine::PortRegistrationFailure& err) {
398 throw AudioEngine::PortRegistrationFailure();
407 check_bundles_connected ();
408 PortCountChanged (n_ports()); /* EMIT SIGNAL */
409 _session.set_dirty ();
413 /* disconnect all existing ports so that we get a fresh start */
414 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
415 i->disconnect_all ();
424 IO::ensure_ports (ChanCount count, bool clear, bool lockit, void* src)
426 bool changed = false;
428 if (count == n_ports() && !clear) {
433 BLOCK_PROCESS_CALLBACK ();
434 Glib::Mutex::Lock im (io_lock);
435 changed = ensure_ports_locked (count, clear, src);
437 changed = ensure_ports_locked (count, clear, src);
441 this->changed (ConfigurationChanged, src); /* EMIT SIGNAL */
443 _session.set_dirty ();
450 IO::ensure_io (ChanCount count, bool clear, void* src)
452 return ensure_ports (count, clear, true, src);
462 IO::state (bool /*full_state*/)
464 XMLNode* node = new XMLNode (state_node_name);
467 vector<string>::iterator ci;
469 LocaleGuard lg (X_("POSIX"));
470 Glib::Mutex::Lock lm (io_lock);
472 node->add_property("name", _name);
473 id().print (buf, sizeof (buf));
474 node->add_property("id", buf);
475 node->add_property ("direction", enum_2_string (_direction));
476 node->add_property ("default-type", _default_type.to_string());
478 for (std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
479 XMLNode* n = new XMLNode ("Bundle");
480 n->add_property ("name", i->bundle->name ());
481 node->add_child_nocopy (*n);
484 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
486 vector<string> connections;
488 XMLNode* pnode = new XMLNode (X_("Port"));
489 pnode->add_property (X_("type"), i->type().to_string());
490 pnode->add_property (X_("name"), i->name());
492 if (i->get_connections (connections)) {
494 for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
496 /* if its a connection to our own port,
497 return only the port name, not the
498 whole thing. this allows connections
499 to be re-established even when our
500 client name is different.
503 XMLNode* cnode = new XMLNode (X_("Connection"));
505 cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
506 pnode->add_child_nocopy (*cnode);
510 node->add_child_nocopy (*pnode);
517 IO::set_state (const XMLNode& node, int version)
519 /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
520 * are input OR output, not both, so the direction needs to be specified
523 assert (version >= 3000);
525 const XMLProperty* prop;
526 XMLNodeConstIterator iter;
527 LocaleGuard lg (X_("POSIX"));
529 /* force use of non-localized representation of decimal point,
530 since we use it a lot in XML files and so forth.
533 if (node.name() != state_node_name) {
534 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
538 if ((prop = node.property ("name")) != 0) {
539 set_name (prop->value());
542 if ((prop = node.property (X_("default-type"))) != 0) {
543 _default_type = DataType(prop->value());
544 assert(_default_type != DataType::NIL);
547 if ((prop = node.property ("id")) != 0) {
548 _id = prop->value ();
551 if ((prop = node.property ("direction")) != 0) {
552 _direction = (Direction) string_2_enum (prop->value(), _direction);
555 if (create_ports (node, version)) {
559 if (connecting_legal) {
561 if (make_connections (node, version, false)) {
567 pending_state_node = new XMLNode (node);
568 pending_state_node_version = version;
569 pending_state_node_in = false;
570 connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal));
578 IO::set_state_2X (const XMLNode& node, int version, bool in)
580 const XMLProperty* prop;
581 XMLNodeConstIterator iter;
582 LocaleGuard lg (X_("POSIX"));
584 /* force use of non-localized representation of decimal point,
585 since we use it a lot in XML files and so forth.
588 if (node.name() != state_node_name) {
589 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
593 if ((prop = node.property ("name")) != 0) {
594 set_name (prop->value());
597 if ((prop = node.property (X_("default-type"))) != 0) {
598 _default_type = DataType(prop->value());
599 assert(_default_type != DataType::NIL);
602 if ((prop = node.property ("id")) != 0) {
603 _id = prop->value ();
606 _direction = in ? Input : Output;
608 if (create_ports (node, version)) {
612 if (connecting_legal) {
614 if (make_connections_2X (node, version, in)) {
620 pending_state_node = new XMLNode (node);
621 pending_state_node_version = version;
622 pending_state_node_in = in;
623 connection_legal_c = ConnectingLegal.connect (mem_fun (*this, &IO::connecting_became_legal));
630 IO::connecting_became_legal ()
634 assert (pending_state_node);
636 connection_legal_c.disconnect ();
638 ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
640 delete pending_state_node;
641 pending_state_node = 0;
646 boost::shared_ptr<Bundle>
647 IO::find_possible_bundle (const string &desired_name)
649 static const string digits = "0123456789";
650 const string &default_name = (_direction == Input ? _("in") : _("out"));
651 const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
653 boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
656 int bundle_number, mask;
657 string possible_name;
659 string::size_type last_non_digit_pos;
661 error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
664 // find numeric suffix of desired name
667 last_non_digit_pos = desired_name.find_last_not_of(digits);
669 if (last_non_digit_pos != string::npos) {
671 s << desired_name.substr(last_non_digit_pos);
675 // see if it's a stereo connection e.g. "in 3+4"
677 if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
678 int left_bundle_number = 0;
679 string::size_type left_last_non_digit_pos;
681 left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
683 if (left_last_non_digit_pos != string::npos) {
685 s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
686 s >> left_bundle_number;
688 if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
699 // find highest set bit
701 while ((mask <= bundle_number) && (mask <<= 1)) {}
703 // "wrap" bundle number into largest possible power of 2
708 if (bundle_number & mask) {
709 bundle_number &= ~mask;
712 s << default_name << " " << bundle_number + 1;
715 s << "+" << bundle_number + 2;
718 possible_name = s.str();
720 if ((c = _session.bundle_by_name (possible_name)) != 0) {
727 info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
730 error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
741 IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
743 XMLProperty const * prop;
744 XMLNodeList children = node.children ();
746 uint32_t n_audio = 0;
748 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
750 if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
751 n_audio = count (prop->value().begin(), prop->value().end(), '{');
752 } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
753 n_audio = count (prop->value().begin(), prop->value().end(), '{');
758 cnt.set_audio (n_audio);
759 n = ChanCount::max (n, cnt);
765 IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
767 if (version < 3000) {
768 return get_port_counts_2X (node, version, n, c);
771 XMLProperty const * prop;
772 XMLNodeConstIterator iter;
773 uint32_t n_audio = 0;
779 if ((prop = node.property ("connection")) != 0) {
781 if ((c = find_possible_bundle (prop->value())) != 0) {
782 n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
787 for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
789 if ((*iter)->name() == X_("Bundle")) {
790 if ((c = find_possible_bundle (prop->value())) != 0) {
791 n = ChanCount::max (n, ChanCount(c->type(), c->nchannels()));
798 if ((*iter)->name() == X_("Port")) {
799 prop = (*iter)->property (X_("type"));
805 if (prop->value() == X_("audio")) {
806 cnt.set_audio (++n_audio);
807 } else if (prop->value() == X_("midi")) {
808 cnt.set_midi (++n_midi);
813 n = ChanCount::max (n, cnt);
818 IO::create_ports (const XMLNode& node, int version)
821 boost::shared_ptr<Bundle> c;
823 get_port_counts (node, version, n, c);
825 if (ensure_ports (n, true, true, this)) {
826 error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
836 IO::make_connections (const XMLNode& node, int version, bool in)
838 if (version < 3000) {
839 return make_connections_2X (node, version, in);
842 const XMLProperty* prop;
844 for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
846 if ((*i)->name() == "Bundle") {
847 XMLProperty const * prop = (*i)->property ("name");
849 boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
851 connect_ports_to_bundle (b, this);
858 if ((*i)->name() == "Port") {
860 prop = (*i)->property (X_("name"));
866 Port* p = port_by_name (prop->value());
869 for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
871 XMLNode* cnode = (*c);
873 if (cnode->name() != X_("Connection")) {
877 if ((prop = cnode->property (X_("other"))) == 0) {
882 p->connect (prop->value());
894 IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
896 const XMLProperty* prop;
898 /* XXX: bundles ("connections" as was) */
900 if ((prop = node.property ("inputs")) != 0 && in) {
902 string::size_type ostart = 0;
903 string::size_type start = 0;
904 string::size_type end = 0;
907 vector<string> ports;
909 string const str = prop->value ();
911 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
914 if ((end = str.find_first_of ('}', start)) == string::npos) {
915 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
919 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
920 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
927 for (int x = 0; x < n; ++x) {
928 /* XXX: this is a bit of a hack; need to check if it's always valid */
929 string::size_type const p = ports[x].find ("/out");
930 if (p != string::npos) {
931 ports[x].replace (p, 4, "/audio_out");
933 nth(i)->connect (ports[x]);
943 if ((prop = node.property ("outputs")) != 0 && !in) {
945 string::size_type ostart = 0;
946 string::size_type start = 0;
947 string::size_type end = 0;
950 vector<string> ports;
952 string const str = prop->value ();
954 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
957 if ((end = str.find_first_of ('}', start)) == string::npos) {
958 error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
962 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
963 error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
969 for (int x = 0; x < n; ++x) {
970 /* XXX: this is a bit of a hack; need to check if it's always valid */
971 string::size_type const p = ports[x].find ("/in");
972 if (p != string::npos) {
973 ports[x].replace (p, 3, "/audio_in");
975 nth(i)->connect (ports[x]);
988 IO::set_ports (const string& str)
990 vector<string> ports;
995 if ((nports = count (str.begin(), str.end(), '{')) == 0) {
1000 if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, true, this)) {
1004 string::size_type start, end, ostart;
1011 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
1014 if ((end = str.find_first_of ('}', start)) == string::npos) {
1015 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
1019 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
1020 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
1026 for (int x = 0; x < n; ++x) {
1027 connect (nth (i), ports[x], this);
1039 IO::parse_io_string (const string& str, vector<string>& ports)
1041 string::size_type pos, opos;
1043 if (str.length() == 0) {
1052 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1053 ports.push_back (str.substr (opos, pos - opos));
1057 if (opos < str.length()) {
1058 ports.push_back (str.substr(opos));
1061 return ports.size();
1065 IO::parse_gain_string (const string& str, vector<string>& ports)
1067 string::size_type pos, opos;
1073 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1074 ports.push_back (str.substr (opos, pos - opos));
1078 if (opos < str.length()) {
1079 ports.push_back (str.substr(opos));
1082 return ports.size();
1086 IO::set_name (const string& requested_name)
1088 string name = requested_name;
1090 if (name == _name) {
1094 /* replace all colons in the name. i wish we didn't have to do this */
1096 if (replace_all (name, ":", "-")) {
1097 warning << _("you cannot use colons to name objects with I/O connections") << endmsg;
1100 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1101 string current_name = i->name();
1102 current_name.replace (current_name.find (_name), _name.length(), name);
1103 i->set_name (current_name);
1106 bool const r = SessionObject::set_name (name);
1114 IO::set_port_latency (nframes_t nframes)
1116 Glib::Mutex::Lock lm (io_lock);
1118 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1119 i->set_latency (nframes);
1124 IO::latency () const
1126 nframes_t max_latency;
1131 /* io lock not taken - must be protected by other means */
1133 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1134 if ((latency = i->total_latency ()) > max_latency) {
1135 max_latency = latency;
1143 IO::update_port_total_latencies ()
1145 /* io_lock, not taken: function must be called from Session::process() calltree */
1147 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1148 _session.engine().update_total_latency (*i);
1153 IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
1156 BLOCK_PROCESS_CALLBACK ();
1157 Glib::Mutex::Lock lm2 (io_lock);
1159 c->connect (_bundle, _session.engine());
1161 /* If this is a UserBundle, make a note of what we've done */
1163 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1166 /* See if we already know about this one */
1167 std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin();
1168 while (i != _bundles_connected.end() && i->bundle != ub) {
1172 if (i == _bundles_connected.end()) {
1173 /* We don't, so make a note */
1174 _bundles_connected.push_back (UserBundleInfo (this, ub));
1179 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1184 IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
1187 BLOCK_PROCESS_CALLBACK ();
1188 Glib::Mutex::Lock lm2 (io_lock);
1190 c->disconnect (_bundle, _session.engine());
1192 /* If this is a UserBundle, make a note of what we've done */
1194 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1197 std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin();
1198 while (i != _bundles_connected.end() && i->bundle != ub) {
1202 if (i != _bundles_connected.end()) {
1203 _bundles_connected.erase (i);
1208 changed (IOChange (ConfigurationChanged|ConnectionsChanged), src); /* EMIT SIGNAL */
1214 IO::disable_connecting ()
1216 connecting_legal = false;
1221 IO::enable_connecting ()
1223 connecting_legal = true;
1224 return ConnectingLegal ();
1228 IO::bundle_changed (Bundle::Change /*c*/)
1231 // connect_input_ports_to_bundle (_input_bundle, this);
1236 IO::build_legal_port_name (DataType type)
1238 const int name_size = jack_port_name_size();
1242 if (type == DataType::AUDIO) {
1243 suffix = _("audio");
1244 } else if (type == DataType::MIDI) {
1247 throw unknown_type();
1250 /* note that if "in" or "out" are translated it will break a session
1251 across locale switches because a port's connection list will
1252 show (old) translated names, but the current port name will
1253 use the (new) translated name.
1256 if (_direction == Input) {
1257 suffix += X_("_in");
1259 suffix += X_("_out");
1262 // allow up to 4 digits for the output port number, plus the slash, suffix and extra space
1264 limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
1266 char buf1[name_size+1];
1267 char buf2[name_size+1];
1269 snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.c_str(), suffix.c_str());
1271 int port_number = find_port_hole (buf1);
1272 snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
1274 return string (buf2);
1278 IO::find_port_hole (const char* base)
1280 /* CALLER MUST HOLD IO LOCK */
1284 if (_ports.empty()) {
1288 /* we only allow up to 4 characters for the port number
1291 for (n = 1; n < 9999; ++n) {
1292 char buf[jack_port_name_size()];
1293 PortSet::iterator i = _ports.begin();
1295 snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
1297 for ( ; i != _ports.end(); ++i) {
1298 if (i->name() == buf) {
1303 if (i == _ports.end()) {
1312 IO::audio(uint32_t n) const
1314 return _ports.nth_audio_port (n);
1319 IO::midi(uint32_t n) const
1321 return _ports.nth_midi_port (n);
1325 * Setup bundles that describe our inputs and outputs. Also creates bundles if necessary.
1329 IO::setup_bundles ()
1334 _bundle.reset (new Bundle (_direction == Input));
1337 _bundle->suspend_signals ();
1339 _bundle->set_type (default_type ());
1341 _bundle->remove_channels ();
1343 if (_direction == Input) {
1344 snprintf(buf, sizeof (buf), _("%s in"), _name.c_str());
1346 snprintf(buf, sizeof (buf), _("%s out"), _name.c_str());
1348 _bundle->set_name (buf);
1349 uint32_t const ni = _ports.num_ports();
1350 for (uint32_t i = 0; i < ni; ++i) {
1351 _bundle->add_channel (bundle_channel_name (i, ni));
1352 _bundle->set_port (i, _session.engine().make_port_name_non_relative (_ports.port(i)->name()));
1355 _bundle->resume_signals ();
1358 /** @return Bundles connected to our ports */
1360 IO::bundles_connected ()
1365 for (std::vector<UserBundleInfo>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
1366 bundles.push_back (i->bundle);
1369 /* Session bundles */
1370 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
1371 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
1372 if ((*i)->connected_to (_bundle, _session.engine())) {
1373 bundles.push_back (*i);
1379 boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
1381 if (_direction == Input) {
1382 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1383 if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
1384 bundles.push_back ((*i)->output()->bundle());
1388 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1389 if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
1390 bundles.push_back ((*i)->input()->bundle());
1399 IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
1402 changed = b->Changed.connect (
1403 sigc::mem_fun (*io, &IO::bundle_changed)
1408 IO::bundle_channel_name (uint32_t c, uint32_t n) const
1416 return c == 0 ? _("L") : _("R");
1418 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1426 IO::name_from_state (const XMLNode& node)
1428 const XMLProperty* prop;
1430 if ((prop = node.property ("name")) != 0) {
1431 return prop->value();
1438 IO::set_name_in_state (XMLNode& node, const string& new_name)
1440 const XMLProperty* prop;
1442 if ((prop = node.property ("name")) != 0) {
1443 node.add_property ("name", new_name);
1448 IO::connected_to (boost::shared_ptr<const IO> other) const
1451 /* do we have any connections at all? */
1453 for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
1454 if (p->connected()) {
1462 assert (_direction != other->direction());
1465 uint32_t no = n_ports().n_total();
1466 uint32_t ni = other->n_ports ().n_total();
1468 for (i = 0; i < no; ++i) {
1469 for (j = 0; j < ni; ++j) {
1470 if (nth(i)->connected_to (other->nth(j)->name())) {
1480 IO::process_input (boost::shared_ptr<Processor> proc, sframes_t start_frame, sframes_t end_frame, nframes_t nframes)
1484 /* don't read the data into new buffers - just use the port buffers directly */
1486 bufs.attach_buffers (_ports, nframes, 0);
1487 proc->run (bufs, start_frame, end_frame, nframes);
1491 IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
1493 assert(bufs.available() >= _ports.count());
1495 if (_ports.count() == ChanCount::ZERO) {
1499 bufs.set_count (_ports.count());
1501 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1502 PortSet::iterator i = _ports.begin(*t);
1503 BufferSet::iterator b = bufs.begin(*t);
1505 for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
1506 if (b == bufs.end(*t)) {
1511 for ( ; i != _ports.end(*t); ++i, ++b) {
1512 Buffer& bb (i->get_buffer (nframes));
1513 b->read_from (bb, nframes);
1519 IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
1521 // Copy any buffers 1:1 to outputs
1523 PortSet::iterator o = _ports.begin(type);
1524 BufferSet::iterator i = bufs.begin(type);
1525 BufferSet::iterator prev = i;
1527 while (i != bufs.end(type) && o != _ports.end (type)) {
1528 Buffer& port_buffer (o->get_buffer (nframes));
1529 port_buffer.read_from (*i, nframes, offset);
1535 // Copy last buffer to any extra outputs
1537 while (o != _ports.end(type)) {
1538 Buffer& port_buffer (o->get_buffer (nframes));
1539 port_buffer.read_from (*prev, nframes, offset);
1545 IO::port_by_name (const std::string& str) const
1547 /* to be called only from ::set_state() - no locking */
1549 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1553 if (p.name() == str) {
1554 return const_cast<Port*>(&p);