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 Glib::Mutex::Lock lm (io_lock);
169 /* check that our_port is really one of ours */
171 if ( ! _ports.contains(our_port)) {
175 /* disconnect it from the source */
177 if (our_port->disconnect (other_port)) {
178 error << string_compose(_("IO: cannot disconnect port %1 from %2"), our_port->name(), other_port) << endmsg;
182 check_bundles_connected ();
185 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
187 _session.set_dirty ();
192 /** Caller must hold process lock */
194 IO::connect (Port* our_port, string other_port, void* src)
196 if (other_port.length() == 0 || our_port == 0) {
201 Glib::Mutex::Lock lm (io_lock);
203 /* check that our_port is really one of ours */
205 if ( ! _ports.contains(our_port) ) {
209 /* connect it to the source */
211 if (our_port->connect (other_port)) {
216 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
217 _session.set_dirty ();
222 IO::remove_port (Port* port, void* src)
224 ChanCount before = _ports.count ();
225 ChanCount after = before;
226 after.set (port->type(), after.get (port->type()) - 1);
228 bool const r = PortCountChanging (after); /* EMIT SIGNAL */
236 BLOCK_PROCESS_CALLBACK ();
239 Glib::Mutex::Lock lm (io_lock);
241 if (_ports.remove(port)) {
242 change.type = IOChange::Type (change.type | IOChange::ConfigurationChanged);
243 change.before = before;
244 change.after = _ports.count ();
246 if (port->connected()) {
247 change.type = IOChange::Type (change.type | IOChange::ConnectionsChanged);
250 _session.engine().unregister_port (*port);
251 check_bundles_connected ();
255 PortCountChanged (n_ports()); /* EMIT SIGNAL */
257 if (change.type != IOChange::NoChange) {
258 changed (change, src);
259 _session.set_dirty ();
263 if (change.type & IOChange::ConfigurationChanged) {
267 if (change.type == IOChange::NoChange) {
276 * @param destination Name of 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;
292 BLOCK_PROCESS_CALLBACK ();
296 Glib::Mutex::Lock lm (io_lock);
298 /* Create a new port */
300 string portname = build_legal_port_name (type);
302 if (_direction == Input) {
303 if ((our_port = _session.engine().register_input_port (type, portname)) == 0) {
304 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
308 if ((our_port = _session.engine().register_output_port (type, portname)) == 0) {
309 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
314 change.before = _ports.count ();
315 _ports.add (our_port);
318 PortCountChanged (n_ports()); /* EMIT SIGNAL */
320 // pan_changed (src); /* EMIT SIGNAL */
321 change.type = IOChange::ConfigurationChanged;
322 change.after = _ports.count ();
323 changed (change, src); /* EMIT SIGNAL */
326 if (destination.length()) {
327 if (our_port->connect (destination)) {
333 _session.set_dirty ();
339 IO::disconnect (void* src)
342 Glib::Mutex::Lock lm (io_lock);
344 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
345 i->disconnect_all ();
348 check_bundles_connected ();
351 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
356 /** Caller must hold process lock */
358 IO::ensure_ports_locked (ChanCount count, bool clear, void* /*src*/)
360 assert (!AudioEngine::instance()->process_lock().trylock());
363 bool changed = false;
365 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
367 const size_t n = count.get(*t);
369 /* remove unused ports */
370 for (size_t i = n_ports().get(*t); i > n; --i) {
371 port = _ports.port(*t, i-1);
375 _session.engine().unregister_port (*port);
380 /* create any necessary new ports */
381 while (n_ports().get(*t) < n) {
383 string portname = build_legal_port_name (*t);
387 if (_direction == Input) {
388 if ((port = _session.engine().register_input_port (*t, portname)) == 0) {
389 error << string_compose(_("IO: cannot register input port %1"), portname) << endmsg;
393 if ((port = _session.engine().register_output_port (*t, portname)) == 0) {
394 error << string_compose(_("IO: cannot register output port %1"), portname) << endmsg;
400 catch (AudioEngine::PortRegistrationFailure& err) {
411 check_bundles_connected ();
412 PortCountChanged (n_ports()); /* EMIT SIGNAL */
413 _session.set_dirty ();
417 /* disconnect all existing ports so that we get a fresh start */
418 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
419 i->disconnect_all ();
426 /** Caller must hold process lock */
428 IO::ensure_ports (ChanCount count, bool clear, void* src)
430 assert (!AudioEngine::instance()->process_lock().trylock());
432 bool changed = false;
434 if (count == n_ports() && !clear) {
440 change.before = _ports.count ();
443 Glib::Mutex::Lock im (io_lock);
444 changed = ensure_ports_locked (count, clear, src);
448 change.after = _ports.count ();
449 change.type = IOChange::ConfigurationChanged;
450 this->changed (change, src); /* EMIT SIGNAL */
452 _session.set_dirty ();
458 /** Caller must hold process lock */
460 IO::ensure_io (ChanCount count, bool clear, void* src)
462 assert (!AudioEngine::instance()->process_lock().trylock());
464 return ensure_ports (count, clear, src);
474 IO::state (bool /*full_state*/)
476 XMLNode* node = new XMLNode (state_node_name);
479 vector<string>::iterator ci;
481 LocaleGuard lg (X_("POSIX"));
482 Glib::Mutex::Lock lm (io_lock);
484 node->add_property("name", _name);
485 id().print (buf, sizeof (buf));
486 node->add_property("id", buf);
487 node->add_property ("direction", enum_2_string (_direction));
488 node->add_property ("default-type", _default_type.to_string());
490 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
491 XMLNode* n = new XMLNode ("Bundle");
492 n->add_property ("name", (*i)->bundle->name ());
493 node->add_child_nocopy (*n);
496 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
498 vector<string> connections;
500 XMLNode* pnode = new XMLNode (X_("Port"));
501 pnode->add_property (X_("type"), i->type().to_string());
502 pnode->add_property (X_("name"), i->name());
504 if (i->get_connections (connections)) {
506 for (n = 0, ci = connections.begin(); ci != connections.end(); ++ci, ++n) {
508 /* if its a connection to our own port,
509 return only the port name, not the
510 whole thing. this allows connections
511 to be re-established even when our
512 client name is different.
515 XMLNode* cnode = new XMLNode (X_("Connection"));
517 cnode->add_property (X_("other"), _session.engine().make_port_name_relative (*ci));
518 pnode->add_child_nocopy (*cnode);
522 node->add_child_nocopy (*pnode);
529 IO::set_state (const XMLNode& node, int version)
531 /* callers for version < 3000 need to call set_state_2X directly, as A3 IOs
532 * are input OR output, not both, so the direction needs to be specified
535 assert (version >= 3000);
537 const XMLProperty* prop;
538 XMLNodeConstIterator iter;
539 LocaleGuard lg (X_("POSIX"));
541 /* force use of non-localized representation of decimal point,
542 since we use it a lot in XML files and so forth.
545 if (node.name() != state_node_name) {
546 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
550 if ((prop = node.property ("name")) != 0) {
551 set_name (prop->value());
554 if ((prop = node.property (X_("default-type"))) != 0) {
555 _default_type = DataType(prop->value());
556 assert(_default_type != DataType::NIL);
559 if ((prop = node.property ("id")) != 0) {
560 _id = prop->value ();
563 if ((prop = node.property ("direction")) != 0) {
564 _direction = (Direction) string_2_enum (prop->value(), _direction);
567 if (create_ports (node, version)) {
571 if (connecting_legal) {
573 if (make_connections (node, version, false)) {
579 pending_state_node = new XMLNode (node);
580 pending_state_node_version = version;
581 pending_state_node_in = false;
582 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
590 IO::set_state_2X (const XMLNode& node, int version, bool in)
592 const XMLProperty* prop;
593 XMLNodeConstIterator iter;
594 LocaleGuard lg (X_("POSIX"));
596 /* force use of non-localized representation of decimal point,
597 since we use it a lot in XML files and so forth.
600 if (node.name() != state_node_name) {
601 error << string_compose(_("incorrect XML node \"%1\" passed to IO object"), node.name()) << endmsg;
605 if ((prop = node.property ("name")) != 0) {
606 set_name (prop->value());
609 if ((prop = node.property (X_("default-type"))) != 0) {
610 _default_type = DataType(prop->value());
611 assert(_default_type != DataType::NIL);
614 if ((prop = node.property ("id")) != 0) {
615 _id = prop->value ();
618 _direction = in ? Input : Output;
620 if (create_ports (node, version)) {
624 if (connecting_legal) {
626 if (make_connections_2X (node, version, in)) {
632 pending_state_node = new XMLNode (node);
633 pending_state_node_version = version;
634 pending_state_node_in = in;
635 ConnectingLegal.connect_same_thread (connection_legal_c, boost::bind (&IO::connecting_became_legal, this));
642 IO::connecting_became_legal ()
646 assert (pending_state_node);
648 connection_legal_c.disconnect ();
650 ret = make_connections (*pending_state_node, pending_state_node_version, pending_state_node_in);
652 delete pending_state_node;
653 pending_state_node = 0;
658 boost::shared_ptr<Bundle>
659 IO::find_possible_bundle (const string &desired_name)
661 static const string digits = "0123456789";
662 const string &default_name = (_direction == Input ? _("in") : _("out"));
663 const string &bundle_type_name = (_direction == Input ? _("input") : _("output"));
665 boost::shared_ptr<Bundle> c = _session.bundle_by_name (desired_name);
668 int bundle_number, mask;
669 string possible_name;
671 string::size_type last_non_digit_pos;
673 error << string_compose(_("Unknown bundle \"%1\" listed for %2 of %3"), desired_name, bundle_type_name, _name)
676 // find numeric suffix of desired name
679 last_non_digit_pos = desired_name.find_last_not_of(digits);
681 if (last_non_digit_pos != string::npos) {
683 s << desired_name.substr(last_non_digit_pos);
687 // see if it's a stereo connection e.g. "in 3+4"
689 if (last_non_digit_pos > 1 && desired_name[last_non_digit_pos] == '+') {
690 string::size_type left_last_non_digit_pos;
692 left_last_non_digit_pos = desired_name.find_last_not_of(digits, last_non_digit_pos-1);
694 if (left_last_non_digit_pos != string::npos) {
695 int left_bundle_number = 0;
697 s << desired_name.substr(left_last_non_digit_pos, last_non_digit_pos-1);
698 s >> left_bundle_number;
700 if (left_bundle_number > 0 && left_bundle_number + 1 == bundle_number) {
711 // find highest set bit
713 while ((mask <= bundle_number) && (mask <<= 1)) {}
715 // "wrap" bundle number into largest possible power of 2
720 if (bundle_number & mask) {
721 bundle_number &= ~mask;
724 s << default_name << " " << bundle_number + 1;
727 s << "+" << bundle_number + 2;
730 possible_name = s.str();
732 if ((c = _session.bundle_by_name (possible_name)) != 0) {
739 info << string_compose (_("Bundle %1 was not available - \"%2\" used instead"), desired_name, possible_name)
742 error << string_compose(_("No %1 bundles available as a replacement"), bundle_type_name)
753 IO::get_port_counts_2X (XMLNode const & node, int /*version*/, ChanCount& n, boost::shared_ptr<Bundle>& /*c*/)
755 XMLProperty const * prop;
756 XMLNodeList children = node.children ();
758 uint32_t n_audio = 0;
760 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
762 if ((prop = node.property ("inputs")) != 0 && _direction == Input) {
763 n_audio = count (prop->value().begin(), prop->value().end(), '{');
764 } else if ((prop = node.property ("input-connection")) != 0 && _direction == Input) {
766 } else if ((prop = node.property ("outputs")) != 0 && _direction == Output) {
767 n_audio = count (prop->value().begin(), prop->value().end(), '{');
768 } else if ((prop = node.property ("output-connection")) != 0 && _direction == Output) {
774 cnt.set_audio (n_audio);
775 n = ChanCount::max (n, cnt);
781 IO::get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c)
783 if (version < 3000) {
784 return get_port_counts_2X (node, version, n, c);
787 XMLProperty const * prop;
788 XMLNodeConstIterator iter;
789 uint32_t n_audio = 0;
795 if ((prop = node.property ("connection")) != 0) {
797 if ((c = find_possible_bundle (prop->value())) != 0) {
798 n = ChanCount::max (n, c->nchannels());
803 for (iter = node.children().begin(); iter != node.children().end(); ++iter) {
805 if ((*iter)->name() == X_("Bundle")) {
806 if ((c = find_possible_bundle (prop->value())) != 0) {
807 n = ChanCount::max (n, c->nchannels());
814 if ((*iter)->name() == X_("Port")) {
815 prop = (*iter)->property (X_("type"));
821 if (prop->value() == X_("audio")) {
822 cnt.set_audio (++n_audio);
823 } else if (prop->value() == X_("midi")) {
824 cnt.set_midi (++n_midi);
829 n = ChanCount::max (n, cnt);
834 IO::create_ports (const XMLNode& node, int version)
837 boost::shared_ptr<Bundle> c;
839 get_port_counts (node, version, n, c);
842 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
844 if (ensure_ports (n, true, this)) {
845 error << string_compose(_("%1: cannot create I/O ports"), _name) << endmsg;
856 IO::make_connections (const XMLNode& node, int version, bool in)
858 if (version < 3000) {
859 return make_connections_2X (node, version, in);
862 const XMLProperty* prop;
864 for (XMLNodeConstIterator i = node.children().begin(); i != node.children().end(); ++i) {
866 if ((*i)->name() == "Bundle") {
867 XMLProperty const * prop = (*i)->property ("name");
869 boost::shared_ptr<Bundle> b = find_possible_bundle (prop->value());
871 connect_ports_to_bundle (b, this);
878 if ((*i)->name() == "Port") {
880 prop = (*i)->property (X_("name"));
886 Port* p = port_by_name (prop->value());
889 for (XMLNodeConstIterator c = (*i)->children().begin(); c != (*i)->children().end(); ++c) {
891 XMLNode* cnode = (*c);
893 if (cnode->name() != X_("Connection")) {
897 if ((prop = cnode->property (X_("other"))) == 0) {
902 p->connect (prop->value());
914 IO::make_connections_2X (const XMLNode& node, int /*version*/, bool in)
916 const XMLProperty* prop;
918 /* XXX: bundles ("connections" as was) */
920 if ((prop = node.property ("inputs")) != 0 && in) {
922 string::size_type ostart = 0;
923 string::size_type start = 0;
924 string::size_type end = 0;
927 vector<string> ports;
929 string const str = prop->value ();
931 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
934 if ((end = str.find_first_of ('}', start)) == string::npos) {
935 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
939 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
940 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
947 for (int x = 0; x < n; ++x) {
948 /* XXX: this is a bit of a hack; need to check if it's always valid */
949 string::size_type const p = ports[x].find ("/out");
950 if (p != string::npos) {
951 ports[x].replace (p, 4, "/audio_out");
953 nth(i)->connect (ports[x]);
963 if ((prop = node.property ("outputs")) != 0 && !in) {
965 string::size_type ostart = 0;
966 string::size_type start = 0;
967 string::size_type end = 0;
970 vector<string> ports;
972 string const str = prop->value ();
974 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
977 if ((end = str.find_first_of ('}', start)) == string::npos) {
978 error << string_compose(_("IO: badly formed string in XML node for outputs \"%1\""), str) << endmsg;
982 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
983 error << string_compose(_("IO: bad output string in XML node \"%1\""), str) << endmsg;
989 for (int x = 0; x < n; ++x) {
990 /* XXX: this is a bit of a hack; need to check if it's always valid */
991 string::size_type const p = ports[x].find ("/in");
992 if (p != string::npos) {
993 ports[x].replace (p, 3, "/audio_in");
995 nth(i)->connect (ports[x]);
1008 IO::set_ports (const string& str)
1010 vector<string> ports;
1015 if ((nports = count (str.begin(), str.end(), '{')) == 0) {
1020 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
1022 // FIXME: audio-only
1023 if (ensure_ports (ChanCount(DataType::AUDIO, nports), true, this)) {
1028 string::size_type start, end, ostart;
1035 while ((start = str.find_first_of ('{', ostart)) != string::npos) {
1038 if ((end = str.find_first_of ('}', start)) == string::npos) {
1039 error << string_compose(_("IO: badly formed string in XML node for inputs \"%1\""), str) << endmsg;
1043 if ((n = parse_io_string (str.substr (start, end - start), ports)) < 0) {
1044 error << string_compose(_("bad input string in XML node \"%1\""), str) << endmsg;
1050 for (int x = 0; x < n; ++x) {
1051 connect (nth (i), ports[x], this);
1063 IO::parse_io_string (const string& str, vector<string>& ports)
1065 string::size_type pos, opos;
1067 if (str.length() == 0) {
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::parse_gain_string (const string& str, vector<string>& ports)
1091 string::size_type pos, opos;
1097 while ((pos = str.find_first_of (',', opos)) != string::npos) {
1098 ports.push_back (str.substr (opos, pos - opos));
1102 if (opos < str.length()) {
1103 ports.push_back (str.substr(opos));
1106 return ports.size();
1110 IO::set_name (const string& requested_name)
1112 string name = requested_name;
1114 if (_name == name) {
1118 /* replace all colons in the name. i wish we didn't have to do this */
1120 replace_all (name, ":", "-");
1122 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1123 string current_name = i->name();
1124 current_name.replace (current_name.find (_name), _name.val().length(), name);
1125 i->set_name (current_name);
1128 bool const r = SessionObject::set_name (name);
1136 IO::set_port_latency (nframes_t nframes)
1138 Glib::Mutex::Lock lm (io_lock);
1140 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1141 i->set_latency (nframes);
1146 IO::latency () const
1148 nframes_t max_latency;
1153 /* io lock not taken - must be protected by other means */
1155 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1156 if ((latency = i->total_latency ()) > max_latency) {
1157 max_latency = latency;
1165 IO::update_port_total_latencies ()
1167 /* io_lock, not taken: function must be called from Session::process() calltree */
1169 for (PortSet::iterator i = _ports.begin(); i != _ports.end(); ++i) {
1170 _session.engine().update_total_latency (*i);
1175 IO::connect_ports_to_bundle (boost::shared_ptr<Bundle> c, void* src)
1177 BLOCK_PROCESS_CALLBACK ();
1180 Glib::Mutex::Lock lm2 (io_lock);
1182 c->connect (_bundle, _session.engine());
1184 /* If this is a UserBundle, make a note of what we've done */
1186 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1189 /* See if we already know about this one */
1190 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1191 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1195 if (i == _bundles_connected.end()) {
1196 /* We don't, so make a note */
1197 _bundles_connected.push_back (new UserBundleInfo (this, ub));
1202 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
1207 IO::disconnect_ports_from_bundle (boost::shared_ptr<Bundle> c, void* src)
1209 BLOCK_PROCESS_CALLBACK ();
1212 Glib::Mutex::Lock lm2 (io_lock);
1214 c->disconnect (_bundle, _session.engine());
1216 /* If this is a UserBundle, make a note of what we've done */
1218 boost::shared_ptr<UserBundle> ub = boost::dynamic_pointer_cast<UserBundle> (c);
1221 std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin();
1222 while (i != _bundles_connected.end() && (*i)->bundle != ub) {
1226 if (i != _bundles_connected.end()) {
1228 _bundles_connected.erase (i);
1233 changed (IOChange (IOChange::ConnectionsChanged), src); /* EMIT SIGNAL */
1239 IO::disable_connecting ()
1241 connecting_legal = false;
1246 IO::enable_connecting ()
1248 connecting_legal = true;
1249 boost::optional<int> r = ConnectingLegal ();
1250 return r.get_value_or (0);
1254 IO::bundle_changed (Bundle::Change /*c*/)
1257 // connect_input_ports_to_bundle (_input_bundle, this);
1262 IO::build_legal_port_name (DataType type)
1264 const int name_size = jack_port_name_size();
1268 if (type == DataType::AUDIO) {
1269 suffix = _("audio");
1270 } else if (type == DataType::MIDI) {
1273 throw unknown_type();
1276 /* note that if "in" or "out" are translated it will break a session
1277 across locale switches because a port's connection list will
1278 show (old) translated names, but the current port name will
1279 use the (new) translated name.
1282 if (_direction == Input) {
1283 suffix += X_("_in");
1285 suffix += X_("_out");
1288 // allow up to 4 digits for the output port number, plus the slash, suffix and extra space
1290 limit = name_size - _session.engine().client_name().length() - (suffix.length() + 5);
1292 char buf1[name_size+1];
1293 char buf2[name_size+1];
1295 snprintf (buf1, name_size+1, ("%.*s/%s"), limit, _name.val().c_str(), suffix.c_str());
1297 int port_number = find_port_hole (buf1);
1298 snprintf (buf2, name_size+1, "%s %d", buf1, port_number);
1300 return string (buf2);
1304 IO::find_port_hole (const char* base)
1306 /* CALLER MUST HOLD IO LOCK */
1310 if (_ports.empty()) {
1314 /* we only allow up to 4 characters for the port number
1317 for (n = 1; n < 9999; ++n) {
1318 char buf[jack_port_name_size()];
1319 PortSet::iterator i = _ports.begin();
1321 snprintf (buf, jack_port_name_size(), _("%s %u"), base, n);
1323 for ( ; i != _ports.end(); ++i) {
1324 if (i->name() == buf) {
1329 if (i == _ports.end()) {
1338 IO::audio(uint32_t n) const
1340 return _ports.nth_audio_port (n);
1345 IO::midi(uint32_t n) const
1347 return _ports.nth_midi_port (n);
1351 * Setup a bundle that describe our inputs or outputs. Also creates the bundle if necessary.
1360 _bundle.reset (new Bundle (_direction == Input));
1363 _bundle->suspend_signals ();
1365 _bundle->remove_channels ();
1367 if (_direction == Input) {
1368 snprintf(buf, sizeof (buf), _("%s in"), _name.val().c_str());
1370 snprintf(buf, sizeof (buf), _("%s out"), _name.val().c_str());
1372 _bundle->set_name (buf);
1375 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
1377 uint32_t const N = _ports.count().get (*i);
1378 for (uint32_t j = 0; j < N; ++j) {
1379 _bundle->add_channel (bundle_channel_name (j, N, *i), *i);
1380 _bundle->set_port (c, _session.engine().make_port_name_non_relative (_ports.port(*i, j)->name()));
1386 _bundle->resume_signals ();
1389 /** @return Bundles connected to our ports */
1391 IO::bundles_connected ()
1396 for (std::vector<UserBundleInfo*>::iterator i = _bundles_connected.begin(); i != _bundles_connected.end(); ++i) {
1397 bundles.push_back ((*i)->bundle);
1400 /* Session bundles */
1401 boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
1402 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
1403 if ((*i)->connected_to (_bundle, _session.engine())) {
1404 bundles.push_back (*i);
1410 boost::shared_ptr<ARDOUR::RouteList> r = _session.get_routes ();
1412 if (_direction == Input) {
1413 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1414 if ((*i)->output()->bundle()->connected_to (_bundle, _session.engine())) {
1415 bundles.push_back ((*i)->output()->bundle());
1419 for (ARDOUR::RouteList::iterator i = r->begin(); i != r->end(); ++i) {
1420 if ((*i)->input()->bundle()->connected_to (_bundle, _session.engine())) {
1421 bundles.push_back ((*i)->input()->bundle());
1430 IO::UserBundleInfo::UserBundleInfo (IO* io, boost::shared_ptr<UserBundle> b)
1433 b->Changed.connect_same_thread (changed, boost::bind (&IO::bundle_changed, io, _1));
1437 IO::bundle_channel_name (uint32_t c, uint32_t n, DataType t) const
1441 if (t == DataType::AUDIO) {
1447 return c == 0 ? _("L") : _("R");
1449 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1455 snprintf (buf, sizeof(buf), _("%d"), (c + 1));
1464 IO::name_from_state (const XMLNode& node)
1466 const XMLProperty* prop;
1468 if ((prop = node.property ("name")) != 0) {
1469 return prop->value();
1476 IO::set_name_in_state (XMLNode& node, const string& new_name)
1478 const XMLProperty* prop;
1480 if ((prop = node.property ("name")) != 0) {
1481 node.add_property ("name", new_name);
1486 IO::connected () const
1488 /* do we have any connections at all? */
1490 for (PortSet::const_iterator p = _ports.begin(); p != _ports.end(); ++p) {
1491 if (p->connected()) {
1500 IO::connected_to (boost::shared_ptr<const IO> other) const
1503 return connected ();
1506 assert (_direction != other->direction());
1509 uint32_t no = n_ports().n_total();
1510 uint32_t ni = other->n_ports ().n_total();
1512 for (i = 0; i < no; ++i) {
1513 for (j = 0; j < ni; ++j) {
1514 if (nth(i)->connected_to (other->nth(j)->name())) {
1524 IO::process_input (boost::shared_ptr<Processor> proc, framepos_t start_frame, framepos_t end_frame, nframes_t nframes)
1528 /* don't read the data into new buffers - just use the port buffers directly */
1530 bufs.attach_buffers (_ports, nframes, 0);
1531 proc->run (bufs, start_frame, end_frame, nframes, true);
1535 IO::collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset)
1537 assert(bufs.available() >= _ports.count());
1539 if (_ports.count() == ChanCount::ZERO) {
1543 bufs.set_count (_ports.count());
1545 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
1546 PortSet::iterator i = _ports.begin(*t);
1547 BufferSet::iterator b = bufs.begin(*t);
1549 for (uint32_t off = 0; off < offset.get(*t); ++off, ++b) {
1550 if (b == bufs.end(*t)) {
1555 for ( ; i != _ports.end(*t); ++i, ++b) {
1556 Buffer& bb (i->get_buffer (nframes));
1557 b->read_from (bb, nframes);
1563 IO::copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes, nframes_t offset)
1565 // Copy any buffers 1:1 to outputs
1567 PortSet::iterator o = _ports.begin(type);
1568 BufferSet::iterator i = bufs.begin(type);
1569 BufferSet::iterator prev = i;
1571 while (i != bufs.end(type) && o != _ports.end (type)) {
1572 Buffer& port_buffer (o->get_buffer (nframes));
1573 port_buffer.read_from (*i, nframes, offset);
1579 // Copy last buffer to any extra outputs
1581 while (o != _ports.end(type)) {
1582 Buffer& port_buffer (o->get_buffer (nframes));
1583 port_buffer.read_from (*prev, nframes, offset);
1589 IO::port_by_name (const std::string& str) const
1591 /* to be called only from ::set_state() - no locking */
1593 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1597 if (p.name() == str) {
1598 return const_cast<Port*>(&p);
1606 IO::physically_connected () const
1608 for (PortSet::const_iterator i = _ports.begin(); i != _ports.end(); ++i) {
1609 if (i->physically_connected()) {