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author | David Robillard <d@drobilla.net> | 2009-06-03 00:56:34 +0000 |
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committer | David Robillard <d@drobilla.net> | 2009-06-03 00:56:34 +0000 |
commit | 952d0c985dd511050ba17f4e293faf01d7885dad (patch) | |
tree | 482c0bbd38f3afb058a2a4c4d984c13a842b9073 /src/engine/events/CreatePort.cpp | |
parent | 6fa626aa20ca44e17713d947d60ec661ba44f0f5 (diff) | |
download | ingen-952d0c985dd511050ba17f4e293faf01d7885dad.tar.gz ingen-952d0c985dd511050ba17f4e293faf01d7885dad.tar.bz2 ingen-952d0c985dd511050ba17f4e293faf01d7885dad.zip |
Chop "Event" from event source file names.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2066 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/events/CreatePort.cpp')
-rw-r--r-- | src/engine/events/CreatePort.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/engine/events/CreatePort.cpp b/src/engine/events/CreatePort.cpp new file mode 100644 index 00000000..e12cdea2 --- /dev/null +++ b/src/engine/events/CreatePort.cpp @@ -0,0 +1,181 @@ +/* This file is part of Ingen. + * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net> + * + * 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 "raul/Array.hpp" +#include "raul/Atom.hpp" +#include "raul/List.hpp" +#include "raul/Maid.hpp" +#include "raul/Path.hpp" +#include "Responder.hpp" +#include "CreatePort.hpp" +#include "PatchImpl.hpp" +#include "PluginImpl.hpp" +#include "Engine.hpp" +#include "PatchImpl.hpp" +#include "QueuedEventSource.hpp" +#include "EngineStore.hpp" +#include "ClientBroadcaster.hpp" +#include "PortImpl.hpp" +#include "AudioDriver.hpp" +#include "MidiDriver.hpp" +#include "OSCDriver.hpp" +#include "DuplexPort.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { + +using namespace Shared; + + +CreatePortEvent::CreatePortEvent( + Engine& engine, + SharedPtr<Responder> responder, + SampleCount timestamp, + const Raul::Path& path, + const Raul::URI& type, + bool is_output, + QueuedEventSource* source, + const Resource::Properties& properties) + : QueuedEvent(engine, responder, timestamp, true, source) + , _error(NO_ERROR) + , _path(path) + , _type(type) + , _is_output(is_output) + , _data_type(type) + , _patch(NULL) + , _patch_port(NULL) + , _driver_port(NULL) + , _properties(properties) +{ + /* This is blocking because of the two different sets of Patch ports, the array used in the + * audio thread (inherited from NodeBase), and the arrays used in the pre processor thread. + * If two add port events arrive in the same cycle and the second pre processes before the + * first executes, bad things happen (ports are lost). + * + * TODO: fix this using RCU? + */ + + if (_data_type == DataType::UNKNOWN) { + cerr << "[CreatePortEvent] Unknown port type " << type << endl; + _error = UNKNOWN_TYPE; + } +} + + +void +CreatePortEvent::pre_process() +{ + if (_error == UNKNOWN_TYPE || _engine.engine_store()->find_object(_path)) { + QueuedEvent::pre_process(); + return; + } + + _patch = _engine.engine_store()->find_patch(_path.parent()); + + if (_patch != NULL) { + assert(_patch->path() == _path.parent()); + + size_t buffer_size = 1; + if (_type.str() != "ingen:Float") + buffer_size = _engine.audio_driver()->buffer_size(); + + const uint32_t old_num_ports = _patch->num_ports(); + + _patch_port = _patch->create_port(_path.name(), _data_type, buffer_size, _is_output); + _patch_port->set_property("rdf:instanceOf", Atom(Atom::URI, _patch_port->meta_uri().str())); + _patch_port->meta().properties().insert(_properties.begin(), _properties.end()); + + if (_patch_port) { + + if (_is_output) + _patch->add_output(new Raul::List<PortImpl*>::Node(_patch_port)); + else + _patch->add_input(new Raul::List<PortImpl*>::Node(_patch_port)); + + if (_patch->external_ports()) + _ports_array = new Raul::Array<PortImpl*>(old_num_ports + 1, *_patch->external_ports()); + else + _ports_array = new Raul::Array<PortImpl*>(old_num_ports + 1, NULL); + + _ports_array->at(_patch->num_ports()-1) = _patch_port; + _engine.engine_store()->add(_patch_port); + + if (!_patch->parent()) { + if (_type.str() == "lv2:AudioPort") { + _driver_port = _engine.audio_driver()->create_port( + dynamic_cast<DuplexPort*>(_patch_port)); + } else if (_type.str() == "lv2ev:EventPort") { + _driver_port = _engine.midi_driver()->create_port( + dynamic_cast<DuplexPort*>(_patch_port)); + } + } + + assert(_ports_array->size() == _patch->num_ports()); + + } else { + _error = CREATION_FAILED; + } + } + QueuedEvent::pre_process(); +} + + +void +CreatePortEvent::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + if (_patch_port) { + _engine.maid()->push(_patch->external_ports()); + _patch->external_ports(_ports_array); + } + + if (_driver_port) { + if (_type.str() == "lv2:AudioPort") { + _engine.audio_driver()->add_port(_driver_port); + } else if (_type.str() == "lv2ev:EventPort") { + _engine.midi_driver()->add_port(_driver_port); + } + } +} + + +void +CreatePortEvent::post_process() +{ + string msg; + switch (_error) { + case NO_ERROR: + _responder->respond_ok(); + _engine.broadcaster()->send_object(_patch_port, true); + break; + case UNKNOWN_TYPE: + msg = string("Could not create port ") + _path.str() + " (Unknown type)"; + _responder->respond_error(msg); + break; + case CREATION_FAILED: + msg = string("Could not create port ") + _path.str() + " (Creation failed)"; + _responder->respond_error(msg); + break; + } +} + + +} // namespace Ingen + |