aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/client/ClientModel.cpp34
-rw-r--r--src/client/ClientModel.hpp16
-rw-r--r--src/client/ClientObject.cpp5
-rw-r--r--src/client/ClientObject.hpp4
-rw-r--r--src/engine/Controller.cpp150
-rw-r--r--src/engine/Engine.cpp8
-rw-r--r--src/engine/Updates.cpp6
-rw-r--r--src/engine/machina/Controller.hpp19
-rw-r--r--src/engine/machina/Model.hpp44
-rw-r--r--src/engine/machina/types.hpp6
-rw-r--r--src/engine/wscript4
-rw-r--r--src/gui/MachinaCanvas.cpp21
-rw-r--r--src/gui/main.cpp14
13 files changed, 207 insertions, 124 deletions
diff --git a/src/client/ClientModel.cpp b/src/client/ClientModel.cpp
index 17054d4..3a8770f 100644
--- a/src/client/ClientModel.cpp
+++ b/src/client/ClientModel.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -31,13 +31,31 @@ ClientModel::find(uint64_t id)
}
}
+SPtr<const ClientObject>
+ClientModel::find(uint64_t id) const
+{
+ SPtr<ClientObject> key(new ClientObjectKey(id));
+ Objects::const_iterator i = _objects.find(key);
+ if (i != _objects.end()) {
+ return *i;
+ } else {
+ return SPtr<ClientObject>();
+ }
+}
+
void
-ClientModel::new_object(SPtr<ClientObject> object)
+ClientModel::new_object(uint64_t id, const Properties& properties)
{
- Objects::iterator i = _objects.find(object);
+ SPtr<ClientObject> key(new ClientObjectKey(id));
+ Objects::iterator i = _objects.find(key);
if (i == _objects.end()) {
+ SPtr<ClientObject> object(new ClientObject(id, properties));
_objects.insert(object);
signal_new_object.emit(object);
+ } else {
+ for (const auto& p : properties) {
+ (*i)->set(p.first, p.second);
+ }
}
}
@@ -56,7 +74,7 @@ ClientModel::erase_object(uint64_t id)
}
void
-ClientModel::property(uint64_t id, URIInt key, const Atom& value)
+ClientModel::set(uint64_t id, URIInt key, const Atom& value)
{
SPtr<ClientObject> object = find(id);
if (object) {
@@ -64,5 +82,13 @@ ClientModel::property(uint64_t id, URIInt key, const Atom& value)
}
}
+const Atom&
+ClientModel::get(uint64_t id, URIInt key) const
+{
+ static const Atom null_atom;
+ SPtr<const ClientObject> object = find(id);
+ return object ? object->get(key) : null_atom;
+}
+
}
}
diff --git a/src/client/ClientModel.hpp b/src/client/ClientModel.hpp
index 6840c11..e65fb93 100644
--- a/src/client/ClientModel.hpp
+++ b/src/client/ClientModel.hpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -21,6 +21,8 @@
#include <sigc++/sigc++.h>
+#include "machina/Model.hpp"
+
#include "ClientObject.hpp"
namespace Raul {
@@ -30,14 +32,18 @@ class Atom;
namespace machina {
namespace client {
-class ClientModel
+class ClientModel : public Model
{
public:
- void new_object(SPtr<ClientObject> object);
+ void new_object(uint64_t id, const Properties& properties);
+
void erase_object(uint64_t id);
- void property(uint64_t id, URIInt key, const Atom& value);
- SPtr<ClientObject> find(uint64_t id);
+ SPtr<ClientObject> find(uint64_t id);
+ SPtr<const ClientObject> find(uint64_t id) const;
+
+ void set(uint64_t id, URIInt key, const Atom& value);
+ const Atom& get(uint64_t id, URIInt key) const;
sigc::signal< void, SPtr<ClientObject> > signal_new_object;
sigc::signal< void, SPtr<ClientObject> > signal_erase_object;
diff --git a/src/client/ClientObject.cpp b/src/client/ClientObject.cpp
index 9481d10..20b50a2 100644
--- a/src/client/ClientObject.cpp
+++ b/src/client/ClientObject.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -21,9 +21,10 @@
namespace machina {
namespace client {
-ClientObject::ClientObject(uint64_t id)
+ClientObject::ClientObject(uint64_t id, const Properties& properties)
: _id(id)
, _view(NULL)
+ , _properties(properties)
{}
ClientObject::ClientObject(const ClientObject& copy, uint64_t id)
diff --git a/src/client/ClientObject.hpp b/src/client/ClientObject.hpp
index cf00a2b..6520b11 100644
--- a/src/client/ClientObject.hpp
+++ b/src/client/ClientObject.hpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -30,7 +30,7 @@ namespace client {
class ClientObject
{
public:
- explicit ClientObject(uint64_t id);
+ explicit ClientObject(uint64_t id, const Properties& properties={});
ClientObject(const ClientObject& copy, uint64_t id);
inline uint64_t id() const { return _id; }
diff --git a/src/engine/Controller.cpp b/src/engine/Controller.cpp
index 8c27503..8f9e1a2 100644
--- a/src/engine/Controller.cpp
+++ b/src/engine/Controller.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -14,12 +14,9 @@
along with Machina. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "client/ClientModel.hpp"
-#include "client/ClientObject.hpp"
#include "machina/Controller.hpp"
#include "machina/Engine.hpp"
#include "machina/Machine.hpp"
-#include "machina/Machine.hpp"
#include "machina/Updates.hpp"
#include "Edge.hpp"
@@ -27,26 +24,32 @@
namespace machina {
-Controller::Controller(SPtr<Engine> engine,
- client::ClientModel& client_model)
+Controller::Controller(SPtr<Engine> engine,
+ Model& model)
: _engine(engine)
- , _client_model(client_model)
+ , _model(model)
, _updates(new Raul::RingBuffer(4096))
{
_engine->driver()->set_update_sink(_updates);
}
uint64_t
-Controller::create(const client::ClientObject& properties)
+Controller::create(const Properties& properties)
{
- TimeDuration dur(
- _engine->machine()->time().unit(),
- properties.get(URIs::instance().machina_duration).get<float>());
+ std::map<URIInt, Atom>::const_iterator d = properties.find(
+ URIs::instance().machina_duration);
+
+ double duration = 0.0;
+ if (d != properties.end()) {
+ duration = d->second.get<float>();
+ } else {
+ std::cerr << "warning: new object has no duration" << std::endl;
+ }
+
+ TimeDuration dur(_engine->machine()->time().unit(), duration);
SPtr<Node> node(new Node(dur));
- SPtr<client::ClientObject> obj(
- new client::ClientObject(properties, node->id()));
_objects.insert(node);
- _client_model.new_object(obj);
+ _model.new_object(node->id(), properties);
_engine->machine()->add_node(node);
return node->id();
}
@@ -54,59 +57,55 @@ Controller::create(const client::ClientObject& properties)
void
Controller::announce(SPtr<Machine> machine)
{
+ if (!machine) {
+ return;
+ }
+
Forge& forge = _engine->forge();
+ // Announce nodes
for (const auto& n : machine->nodes()) {
- // Find or create a new client object if necessary
- SPtr<client::ClientObject> obj = _client_model.find(n->id());
- if (!obj) {
- obj = SPtr<client::ClientObject>(new client::ClientObject(n->id()));
- obj->set(URIs::instance().rdf_type,
- forge.make_urid(URIs::instance().machina_Node));
- obj->set(URIs::instance().machina_duration,
- forge.make(float(n->duration().to_double())));
- if (n->is_initial()) {
- obj->set(URIs::instance().machina_initial, forge.make(true));
- }
-
- SPtr<MidiAction> midi_action = dynamic_ptr_cast<MidiAction>(
- n->enter_action());
- if (midi_action) {
- SPtr<client::ClientObject> action = _client_model.find(
- midi_action->id());
- if (!action) {
- action = SPtr<client::ClientObject>(
- new client::ClientObject(midi_action->id()));
- action->set(URIs::instance().machina_note_number,
- forge.make((int32_t)midi_action->event()[1]));
- _client_model.new_object(action);
- }
- obj->set(URIs::instance().machina_enter_action,
- forge.make(int32_t(n->enter_action()->id())));
- }
+ Properties properties {
+ { URIs::instance().rdf_type,
+ forge.make_urid(URIs::instance().machina_Node) },
+ { URIs::instance().machina_duration,
+ forge.make(float(n->duration().to_double())) } };
+ if (n->is_initial()) {
+ properties.insert({ URIs::instance().machina_initial,
+ forge.make(true) });
}
+
+ SPtr<MidiAction> midi_action = dynamic_ptr_cast<MidiAction>(
+ n->enter_action());
+ if (midi_action) {
+ Properties action_properties {
+ { URIs::instance().machina_note_number,
+ forge.make((int32_t)midi_action->event()[1]) } };
+
+ _model.new_object(midi_action->id(), action_properties);
+ properties.insert({ URIs::instance().machina_enter_action,
+ forge.make(int32_t(n->enter_action()->id())) });
+ }
+
_objects.insert(n);
- _client_model.new_object(obj);
+ _model.new_object(n->id(), properties);
}
+ // Announce edges
for (const auto& n : machine->nodes()) {
for (const auto& e : n->edges()) {
- SPtr<client::ClientObject> eobj = _client_model.find(e->id());
- if (!eobj) {
- eobj = SPtr<client::ClientObject>(
- new client::ClientObject(e->id()));
- eobj->set(URIs::instance().rdf_type,
- forge.make_urid(URIs::instance().machina_Edge));
- eobj->set(URIs::instance().machina_probability,
- forge.make(e->probability()));
- eobj->set(URIs::instance().machina_tail_id,
- forge.make((int32_t)n->id()));
- eobj->set(URIs::instance().machina_head_id,
- forge.make((int32_t)e->head()->id()));
- }
+ const Properties properties {
+ { URIs::instance().rdf_type,
+ forge.make_urid(URIs::instance().machina_Edge) },
+ { URIs::instance().machina_probability,
+ forge.make(e->probability()) },
+ { URIs::instance().machina_tail_id,
+ forge.make((int32_t)n->id()) },
+ { URIs::instance().machina_head_id,
+ forge.make((int32_t)e->head()->id()) } };
_objects.insert(e);
- _client_model.new_object(eobj);
+ _model.new_object(e->id(), properties);
}
}
}
@@ -142,7 +141,7 @@ Controller::set_property(uint64_t object_id,
SPtr<Stateful> object = find(object_id);
if (object) {
object->set(key, value);
- _client_model.property(object_id, key, value);
+ _model.set(object_id, key, value);
}
}
@@ -152,20 +151,30 @@ Controller::connect(uint64_t tail_id, uint64_t head_id)
SPtr<Node> tail = dynamic_ptr_cast<Node>(find(tail_id));
SPtr<Node> head = dynamic_ptr_cast<Node>(find(head_id));
+ if (!tail) {
+ std::cerr << "error: tail node " << tail_id << " not found" << std::endl;
+ return 0;
+ } else if (!head) {
+ std::cerr << "error: head node " << head_id << " not found" << std::endl;
+ return 0;
+ }
+
SPtr<Edge> edge(new Edge(tail, head));
tail->add_edge(edge);
_objects.insert(edge);
Forge& forge = _engine->forge();
- SPtr<client::ClientObject> obj(new client::ClientObject(edge->id()));
- obj->set(URIs::instance().rdf_type,
- forge.make_urid(URIs::instance().machina_Edge));
- obj->set(URIs::instance().machina_probability, forge.make(1.0f));
- obj->set(URIs::instance().machina_tail_id, forge.make((int32_t)tail->id()));
- obj->set(URIs::instance().machina_head_id, forge.make((int32_t)head->id()));
+ const Properties properties = {
+ { URIs::instance().rdf_type,
+ forge.make_urid(URIs::instance().machina_Edge) },
+ { URIs::instance().machina_probability, forge.make(1.0f) },
+ { URIs::instance().machina_tail_id,
+ forge.make((int32_t)tail->id()) },
+ { URIs::instance().machina_head_id,
+ forge.make((int32_t)head->id()) } };
- _client_model.new_object(obj);
+ _model.new_object(edge->id(), properties);
return edge->id();
}
@@ -178,7 +187,7 @@ Controller::disconnect(uint64_t tail_id, uint64_t head_id)
SPtr<Edge> edge = tail->remove_edge_to(head);
if (edge) {
- _client_model.erase_object(edge->id());
+ _model.erase_object(edge->id());
} else {
std::cerr << "Edge not found" << std::endl;
}
@@ -198,7 +207,7 @@ Controller::erase(uint64_t id)
_engine->machine()->remove_node(node);
}
- _client_model.erase_object((*i)->id());
+ _model.erase_object((*i)->id());
_objects.erase(i);
}
@@ -212,14 +221,7 @@ Controller::process_updates()
Atom value;
for (uint32_t i = 0; i < read_space; ) {
i += read_set(_updates, &subject, &key, &value);
- SPtr<client::ClientObject> obj = _client_model.find(subject);
- if (obj) {
- obj->set(key, value);
- } else {
- SPtr<client::ClientObject> obj(new client::ClientObject(subject));
- obj->set(key, value);
- _client_model.new_object(obj);
- }
+ _model.set(subject, key, value);
}
}
diff --git a/src/engine/Engine.cpp b/src/engine/Engine.cpp
index 7eeafa4..969b7cc 100644
--- a/src/engine/Engine.cpp
+++ b/src/engine/Engine.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -41,13 +41,15 @@ Engine::new_driver(Forge& forge,
const std::string& name,
SPtr<Machine> machine)
{
-#ifdef HAVE_JACK
if (name == "jack") {
+#ifdef HAVE_JACK
JackDriver* driver = new JackDriver(forge, machine);
driver->attach("machina");
return SPtr<Driver>(driver);
- }
+#else
+ return SPtr<Driver>();
#endif
+ }
if (name == "smf") {
return SPtr<Driver>(new SMFDriver(forge, machine->time().unit()));
}
diff --git a/src/engine/Updates.cpp b/src/engine/Updates.cpp
index 3193d41..846bf8d 100644
--- a/src/engine/Updates.cpp
+++ b/src/engine/Updates.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -44,7 +44,7 @@ read_set(SPtr<Raul::RingBuffer> buf,
URIInt* key,
Atom* value)
{
- uint32_t update_type;
+ uint32_t update_type = 0;
buf->read(sizeof(update_type), &update_type);
if (update_type != UPDATE_SET) {
return 0;
@@ -53,7 +53,7 @@ read_set(SPtr<Raul::RingBuffer> buf,
buf->read(sizeof(*subject), subject);
buf->read(sizeof(*key), key);
- LV2_Atom atom;
+ LV2_Atom atom = { 0, 0 };
buf->read(sizeof(LV2_Atom), &atom);
*value = Atom(atom.size, atom.type, NULL);
buf->read(atom.size, value->get_body());
diff --git a/src/engine/machina/Controller.hpp b/src/engine/machina/Controller.hpp
index e745c9c..833b5b2 100644
--- a/src/engine/machina/Controller.hpp
+++ b/src/engine/machina/Controller.hpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -24,8 +24,9 @@
#include "raul/RingBuffer.hpp"
#include "raul/Maid.hpp"
-#include "machina/types.hpp"
+#include "machina/Model.hpp"
#include "machina/URIs.hpp"
+#include "machina/types.hpp"
#include "Stateful.hpp"
@@ -37,19 +38,13 @@ namespace machina {
class Engine;
class Machine;
-class Stateful;
-
-namespace client {
-class ClientModel;
-class ClientObject;
-}
class Controller
{
public:
- Controller(SPtr<Engine> engine, client::ClientModel& client_model);
+ Controller(SPtr<Engine> engine, Model& model);
- uint64_t create(const client::ClientObject& obj);
+ uint64_t create(const Properties& properties);
uint64_t connect(uint64_t tail_id, uint64_t head_id);
void set_property(uint64_t object_id, URIInt key, const Atom& value);
@@ -74,8 +69,8 @@ private:
typedef std::set<SPtr<Stateful>, StatefulComparator> Objects;
Objects _objects;
- SPtr<Engine> _engine;
- client::ClientModel& _client_model;
+ SPtr<Engine> _engine;
+ Model& _model;
SPtr<Raul::RingBuffer> _updates;
};
diff --git a/src/engine/machina/Model.hpp b/src/engine/machina/Model.hpp
new file mode 100644
index 0000000..32a332e
--- /dev/null
+++ b/src/engine/machina/Model.hpp
@@ -0,0 +1,44 @@
+/*
+ This file is part of Machina.
+ Copyright 2014 David Robillard <http://drobilla.net>
+
+ Machina is free software: you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation, either version 3 of the License, or any later version.
+
+ Machina is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Machina. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef MACHINA_MODEL_HPP
+#define MACHINA_MODEL_HPP
+
+#include <stdint.h>
+
+#include <map>
+
+#include "machina/Atom.hpp"
+#include "machina/types.hpp"
+
+namespace machina {
+
+class Model
+{
+public:
+ virtual ~Model() {}
+
+ virtual void new_object(uint64_t id, const Properties& properties) = 0;
+
+ virtual void erase_object(uint64_t id) = 0;
+
+ virtual void set(uint64_t id, URIInt key, const Atom& value) = 0;
+ virtual const Atom& get(uint64_t id, URIInt key) const = 0;
+};
+
+} // namespace machina
+
+#endif // MACHINA_MODEL_HPP
diff --git a/src/engine/machina/types.hpp b/src/engine/machina/types.hpp
index fff2601..e9ac7d0 100644
--- a/src/engine/machina/types.hpp
+++ b/src/engine/machina/types.hpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -17,6 +17,7 @@
#ifndef MACHINA_TYPES_HPP
#define MACHINA_TYPES_HPP
+#include <map>
#include <memory>
#include "raul/RingBuffer.hpp"
@@ -27,6 +28,9 @@ typedef unsigned char byte;
typedef uint32_t URIInt;
+class Atom;
+typedef std::map<URIInt, Atom> Properties;
+
#if __cplusplus >= 201103L
template <class T>
using SPtr = std::shared_ptr<T>;
diff --git a/src/engine/wscript b/src/engine/wscript
index 80f03a4..e1fc1ab 100644
--- a/src/engine/wscript
+++ b/src/engine/wscript
@@ -23,7 +23,7 @@ def build(bld):
Updates.cpp
URIs.cpp
'''
- if bld.is_defined('HAVE_EUGENE'):
+ if bld.env.HAVE_EUGENE:
core_source += '''
Evolver.cpp
Problem.cpp
@@ -35,7 +35,7 @@ def build(bld):
obj.name = 'libmachina_engine'
obj.target = 'machina_engine'
core_libs = 'RAUL GLIBMM GTHREAD RAUL SERD SORD JACK LV2'
- if bld.is_defined('HAVE_EUGENE'):
+ if bld.env.HAVE_EUGENE:
core_libs += ' EUGENE '
autowaf.use_lib(bld, obj, core_libs)
diff --git a/src/gui/MachinaCanvas.cpp b/src/gui/MachinaCanvas.cpp
index 76c029c..f7292bf 100644
--- a/src/gui/MachinaCanvas.cpp
+++ b/src/gui/MachinaCanvas.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -182,14 +182,17 @@ MachinaCanvas::on_erase_object(SPtr<client::ClientObject> object)
void
MachinaCanvas::action_create_node(double x, double y)
{
- machina::client::ClientObject obj(0);
- obj.set(URIs::instance().rdf_type,
- _app->forge().make_urid(URIs::instance().machina_Node));
- obj.set(URIs::instance().machina_canvas_x, _app->forge().make((float)x));
- obj.set(URIs::instance().machina_canvas_y, _app->forge().make((float)y));
- obj.set(URIs::instance().machina_duration,
- _app->forge().make((float)_app->default_length()));
- _app->controller()->create(obj);
+ const Properties props = {
+ { URIs::instance().rdf_type,
+ _app->forge().make_urid(URIs::instance().machina_Node) },
+ { URIs::instance().machina_canvas_x,
+ _app->forge().make((float)x) },
+ { URIs::instance().machina_canvas_y,
+ _app->forge().make((float)y) },
+ { URIs::instance().machina_duration,
+ _app->forge().make((float)_app->default_length()) } };
+
+ _app->controller()->create(props);
}
void
diff --git a/src/gui/main.cpp b/src/gui/main.cpp
index 407258d..547966f 100644
--- a/src/gui/main.cpp
+++ b/src/gui/main.cpp
@@ -1,6 +1,6 @@
/*
This file is part of Machina.
- Copyright 2007-2013 David Robillard <http://drobilla.net>
+ Copyright 2007-2014 David Robillard <http://drobilla.net>
Machina is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
@@ -80,13 +80,13 @@ main(int argc, char** argv)
machine = SPtr<Machine>(new Machine(beats));
}
- std::string driver_name = "smf";
-#ifdef HAVE_JACK
- driver_name = "jack";
-#endif
+ // Create driver
+ SPtr<Driver> driver(Engine::new_driver(forge, "jack", machine));
+ if (!driver) {
+ cerr << "warning: Failed to create Jack driver, using SMF" << endl;
+ driver = SPtr<Driver>(Engine::new_driver(forge, "smf", machine));
+ }
- // Build engine
- SPtr<Driver> driver(Engine::new_driver(forge, driver_name, machine));
SPtr<Engine> engine(new Engine(forge, driver, rdf_world));
Gtk::Main app(argc, argv);