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-rw-r--r--src/libs/engine/Engine.cpp44
-rw-r--r--src/libs/engine/Engine.h35
-rw-r--r--src/libs/engine/EventSource.h8
-rw-r--r--src/libs/engine/JackAudioDriver.cpp31
-rw-r--r--src/libs/engine/JackAudioDriver.h9
-rw-r--r--src/libs/engine/Makefile.am2
-rw-r--r--src/libs/engine/QueuedEngineInterface.cpp4
-rw-r--r--src/libs/engine/events.h1
-rw-r--r--src/libs/engine/events/ActivateEvent.cpp38
-rw-r--r--src/libs/engine/events/ActivateEvent.h40
10 files changed, 89 insertions, 123 deletions
diff --git a/src/libs/engine/Engine.cpp b/src/libs/engine/Engine.cpp
index 6cf50f52..56245534 100644
--- a/src/libs/engine/Engine.cpp
+++ b/src/libs/engine/Engine.cpp
@@ -14,6 +14,7 @@
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <cassert>
#include "Engine.h"
#include "config.h"
#include "tuning.h"
@@ -48,16 +49,8 @@ using std::cout; using std::cerr; using std::endl;
namespace Ingen {
-Engine::Engine(AudioDriver* audio_driver)
-: m_event_source(NULL),
- m_audio_driver( (audio_driver) ? audio_driver : new JackAudioDriver(*this) ),
-#ifdef HAVE_JACK_MIDI
- m_midi_driver(new JackMidiDriver(((JackAudioDriver*)m_audio_driver)->jack_client())),
-#elif HAVE_ALSA_MIDI
- m_midi_driver(new AlsaMidiDriver(m_audio_driver)),
-#else
- m_midi_driver(new DummyMidiDriver()),
-#endif
+Engine::Engine()
+: m_midi_driver(NULL),
m_maid(new Maid(maid_queue_size)),
m_post_processor(new PostProcessor(*m_maid, post_processor_queue_size)),
m_broadcaster(new ClientBroadcaster()),
@@ -88,7 +81,6 @@ Engine::~Engine()
delete m_broadcaster;
delete m_node_factory;
delete m_midi_driver;
- delete m_audio_driver;
delete m_maid;
@@ -105,7 +97,7 @@ Engine::~Engine()
template<>
Driver<MidiMessage>* Engine::driver<MidiMessage>() { return m_midi_driver; }
template<>
-Driver<Sample>* Engine::driver<Sample>() { return m_audio_driver; }
+Driver<Sample>* Engine::driver<Sample>() { return m_audio_driver.get(); }
int
@@ -147,12 +139,28 @@ Engine::main_iteration()
}
-void
-Engine::activate()
+bool
+Engine::activate(SharedPtr<AudioDriver> ad, SharedPtr<EventSource> es)
{
if (m_activated)
- return;
+ return false;
+
+ // Setup drivers
+ m_audio_driver = ad;
+#ifdef HAVE_JACK_MIDI
+ m_midi_driver = new JackMidiDriver(((JackAudioDriver*)m_audio_driver.get())->jack_client());
+#elif HAVE_ALSA_MIDI
+ m_midi_driver = new AlsaMidiDriver(m_audio_driver);
+#else
+ m_midi_driver = new DummyMidiDriver();
+#endif
+ // Set event source (FIXME: handle multiple sources)
+ m_event_source = es;
+
+ m_audio_driver->activate();
+ m_event_source->activate();
+
// Create root patch
CreatePatchEvent create_ev(*this, SharedPtr<Responder>(new Responder()), 0, "/", 1);
create_ev.pre_process();
@@ -173,6 +181,8 @@ Engine::activate()
m_post_processor->start();
m_activated = true;
+
+ return true;
}
@@ -199,6 +209,10 @@ Engine::deactivate()
m_post_processor->whip();
m_post_processor->stop();
+ m_audio_driver.reset();
+
+ m_event_source.reset();
+
m_activated = false;
}
diff --git a/src/libs/engine/Engine.h b/src/libs/engine/Engine.h
index f584ee6d..01aaa3a1 100644
--- a/src/libs/engine/Engine.h
+++ b/src/libs/engine/Engine.h
@@ -19,6 +19,7 @@
#include <cassert>
#include <boost/utility.hpp>
+#include <raul/SharedPtr.h>
template<typename T> class Queue;
class Maid;
@@ -41,17 +42,15 @@ template <typename T> class Driver;
/** The main class for the Engine.
*
- * With access to this you can find any object that's a part of the engine.
- * Access to this should be limited as possible, it basically exists so
- * there's something to pass Event constructors so they can access what
- * they need to perform their function.
+ * This is a (GoF) facade for the engine. Pointers to all components are
+ * available for more advanced control than this facade allows.
*
* \ingroup engine
*/
class Engine : boost::noncopyable
{
public:
- Engine(AudioDriver* audio_driver = 0);
+ Engine();
~Engine();
int main();
@@ -61,15 +60,13 @@ public:
* Note that it will take some time. */
void quit() { m_quit_flag = true; }
- void activate();
+ bool activate(SharedPtr<AudioDriver> ad, SharedPtr<EventSource> es);
void deactivate();
bool activated() { return m_activated; }
- void set_event_source(EventSource* es) { m_event_source = es; }
-
- EventSource* event_source() const { return m_event_source; }
- AudioDriver* audio_driver() const { return m_audio_driver; }
+ EventSource* event_source() const { return m_event_source.get(); }
+ AudioDriver* audio_driver() const { return m_audio_driver.get(); }
MidiDriver* midi_driver() const { return m_midi_driver; }
Maid* maid() const { return m_maid; }
PostProcessor* post_processor() const { return m_post_processor; }
@@ -82,15 +79,15 @@ public:
template<typename T> Driver<T>* driver();
private:
- EventSource* m_event_source;
- AudioDriver* m_audio_driver;
- MidiDriver* m_midi_driver;
- Maid* m_maid;
- PostProcessor* m_post_processor;
- ClientBroadcaster* m_broadcaster;
- ObjectStore* m_object_store;
- NodeFactory* m_node_factory;
- LashDriver* m_lash_driver;
+ SharedPtr<EventSource> m_event_source;
+ SharedPtr<AudioDriver> m_audio_driver;
+ MidiDriver* m_midi_driver;
+ Maid* m_maid;
+ PostProcessor* m_post_processor;
+ ClientBroadcaster* m_broadcaster;
+ ObjectStore* m_object_store;
+ NodeFactory* m_node_factory;
+ LashDriver* m_lash_driver;
bool m_quit_flag;
bool m_activated;
diff --git a/src/libs/engine/EventSource.h b/src/libs/engine/EventSource.h
index d251cac5..cb78e4dd 100644
--- a/src/libs/engine/EventSource.h
+++ b/src/libs/engine/EventSource.h
@@ -44,7 +44,13 @@ public:
virtual ~EventSource() {}
- virtual void process(PostProcessor& dest, SampleCount nframes, FrameTime cycle_start, FrameTime cycle_end) = 0;
+ virtual void activate() = 0;
+ virtual void deactivate() = 0;
+
+ virtual void process(PostProcessor& dest,
+ SampleCount nframes,
+ FrameTime cycle_start,
+ FrameTime cycle_end) = 0;
protected:
EventSource() {}
diff --git a/src/libs/engine/JackAudioDriver.cpp b/src/libs/engine/JackAudioDriver.cpp
index 756cfd68..81f15a78 100644
--- a/src/libs/engine/JackAudioDriver.cpp
+++ b/src/libs/engine/JackAudioDriver.cpp
@@ -118,7 +118,9 @@ JackAudioPort::prepare_buffer(jack_nframes_t nframes)
//// JackAudioDriver ////
-JackAudioDriver::JackAudioDriver(Engine& engine, jack_client_t* jack_client)
+JackAudioDriver::JackAudioDriver(Engine& engine,
+ std::string server_name,
+ jack_client_t* jack_client)
: _engine(engine),
_client(jack_client),
_buffer_size(jack_client ? jack_get_buffer_size(jack_client) : 0),
@@ -128,11 +130,29 @@ JackAudioDriver::JackAudioDriver(Engine& engine, jack_client_t* jack_client)
_root_patch(NULL)
{
if (!_client) {
- _client = jack_client_new("Ingen");
- if (_client == NULL) {
+ // Try supplied server name
+ if (server_name != "") {
+ _client = jack_client_open("Ingen", JackServerName, NULL, server_name.c_str());
+ if (_client)
+ cerr << "[JackAudioDriver] Connected to JACK server '" <<
+ server_name << "'" << endl;
+ }
+
+ // Either server name not specified, or supplied server name does not exist
+ // Connect to default server
+ if (!_client) {
+ _client = jack_client_open("Ingen", JackNullOption, NULL);
+
+ if (_client)
+ cerr << "[JackAudioDriver] Connected to default JACK server." << endl;
+ }
+
+ // Still failed
+ if (!_client) {
cerr << "[JackAudioDriver] Unable to connect to Jack. Exiting." << endl;
exit(EXIT_FAILURE);
}
+
_buffer_size = jack_get_buffer_size(_client);
_sample_rate = jack_get_sample_rate(_client);
}
@@ -272,11 +292,14 @@ JackAudioDriver::_process_cb(jack_nframes_t nframes)
if (_engine.event_source())
_engine.event_source()->process(*_engine.post_processor(), nframes, start_of_last_cycle, start_of_current_cycle);
+ assert(_engine.midi_driver());
_engine.midi_driver()->prepare_block(start_of_last_cycle, start_of_current_cycle);
// Set buffers of patch ports to Jack port buffers (zero-copy processing)
- for (List<JackAudioPort*>::iterator i = _ports.begin(); i != _ports.end(); ++i)
+ for (List<JackAudioPort*>::iterator i = _ports.begin(); i != _ports.end(); ++i) {
+ assert(*i);
(*i)->prepare_buffer(nframes);
+ }
// Run root patch
assert(_root_patch != NULL);
diff --git a/src/libs/engine/JackAudioDriver.h b/src/libs/engine/JackAudioDriver.h
index 3780c180..15651c26 100644
--- a/src/libs/engine/JackAudioDriver.h
+++ b/src/libs/engine/JackAudioDriver.h
@@ -72,7 +72,10 @@ private:
class JackAudioDriver : public AudioDriver
{
public:
- JackAudioDriver(Engine& engine, jack_client_t *jack_client = 0);
+ JackAudioDriver(Engine& engine,
+ std::string server_name = "",
+ jack_client_t* jack_client = 0);
+
~JackAudioDriver();
void activate();
@@ -136,23 +139,27 @@ private:
inline int JackAudioDriver::process_cb(jack_nframes_t nframes, void* jack_driver)
{
+ assert(jack_driver);
return ((JackAudioDriver*)jack_driver)->_process_cb(nframes);
}
inline void JackAudioDriver::shutdown_cb(void* jack_driver)
{
+ assert(jack_driver);
return ((JackAudioDriver*)jack_driver)->_shutdown_cb();
}
inline int JackAudioDriver::buffer_size_cb(jack_nframes_t nframes, void* jack_driver)
{
+ assert(jack_driver);
return ((JackAudioDriver*)jack_driver)->_buffer_size_cb(nframes);
}
inline int JackAudioDriver::sample_rate_cb(jack_nframes_t nframes, void* jack_driver)
{
+ assert(jack_driver);
return ((JackAudioDriver*)jack_driver)->_sample_rate_cb(nframes);
}
diff --git a/src/libs/engine/Makefile.am b/src/libs/engine/Makefile.am
index 0b12e524..3e4edf2c 100644
--- a/src/libs/engine/Makefile.am
+++ b/src/libs/engine/Makefile.am
@@ -93,8 +93,6 @@ libingen_la_SOURCES = \
events/UnregisterClientEvent.h \
events/UnregisterClientEvent.cpp \
events/PingQueuedEvent.h \
- events/ActivateEvent.h \
- events/ActivateEvent.cpp \
events/DeactivateEvent.h \
events/DeactivateEvent.cpp \
events/SetPortValueEvent.h \
diff --git a/src/libs/engine/QueuedEngineInterface.cpp b/src/libs/engine/QueuedEngineInterface.cpp
index 4628bdfd..ca6cf8cf 100644
--- a/src/libs/engine/QueuedEngineInterface.cpp
+++ b/src/libs/engine/QueuedEngineInterface.cpp
@@ -98,9 +98,9 @@ QueuedEngineInterface::load_plugins()
void
-QueuedEngineInterface::activate()
+QueuedEngineInterface::activate()
{
- push_queued(new ActivateEvent(*_engine.get(), _responder, now()));
+ push_queued(new PingQueuedEvent(*_engine.get(), _responder, now()));
}
diff --git a/src/libs/engine/events.h b/src/libs/engine/events.h
index 056c302d..73cd2ae8 100644
--- a/src/libs/engine/events.h
+++ b/src/libs/engine/events.h
@@ -19,7 +19,6 @@
#include "config.h"
-#include "ActivateEvent.h"
#include "DeactivateEvent.h"
#include "EnablePatchEvent.h"
#include "DisablePatchEvent.h"
diff --git a/src/libs/engine/events/ActivateEvent.cpp b/src/libs/engine/events/ActivateEvent.cpp
deleted file mode 100644
index 6c64f190..00000000
--- a/src/libs/engine/events/ActivateEvent.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
- *
- * Ingen 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 2 of the License, or (at your option) any later
- * version.
- *
- * Ingen 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 details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "ActivateEvent.h"
-#include "Responder.h"
-#include "Engine.h"
-
-namespace Ingen {
-
-
-ActivateEvent::ActivateEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp)
-: QueuedEvent(engine, responder, timestamp)
-{
- _engine.activate();
-}
-
-void
-ActivateEvent::post_process()
-{
- _responder->respond_ok();
-}
-
-
-} // namespace Ingen
-
diff --git a/src/libs/engine/events/ActivateEvent.h b/src/libs/engine/events/ActivateEvent.h
deleted file mode 100644
index 642859a7..00000000
--- a/src/libs/engine/events/ActivateEvent.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
- *
- * Ingen 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 2 of the License, or (at your option) any later
- * version.
- *
- * Ingen 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 details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef ACTIVATEEVENT_H
-#define ACTIVATEEVENT_H
-
-#include "QueuedEvent.h"
-
-namespace Ingen {
-
-
-/** Activates the engine.
- *
- * \ingroup engine
- */
-class ActivateEvent : public QueuedEvent
-{
-public:
- ActivateEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp);
-
- void post_process();
-};
-
-
-} // namespace Ingen
-
-#endif // ACTIVATEEVENT_H
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