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Diffstat (limited to 'src/libs/engine/events/CreatePortEvent.cpp')
| -rw-r--r-- | src/libs/engine/events/CreatePortEvent.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/libs/engine/events/CreatePortEvent.cpp b/src/libs/engine/events/CreatePortEvent.cpp new file mode 100644 index 00000000..b8bc75e6 --- /dev/null +++ b/src/libs/engine/events/CreatePortEvent.cpp @@ -0,0 +1,175 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 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/Path.hpp> +#include <raul/Array.hpp> +#include <raul/List.hpp> +#include <raul/Maid.hpp> +#include "Responder.hpp" +#include "CreatePortEvent.hpp" +#include "Patch.hpp" +#include "Tree.hpp" +#include "Plugin.hpp" +#include "Engine.hpp" +#include "Patch.hpp" +#include "QueuedEventSource.hpp" +#include "ObjectStore.hpp" +#include "ClientBroadcaster.hpp" +#include "Port.hpp" +#include "AudioDriver.hpp" +#include "MidiDriver.hpp" +#include "OSCDriver.hpp" +#include "DuplexPort.hpp" + +namespace Ingen { + + +CreatePortEvent::CreatePortEvent(Engine& engine, + SharedPtr<Responder> responder, + SampleCount timestamp, + const string& path, + const string& type, + bool is_output, + QueuedEventSource* source) +: QueuedEvent(engine, responder, timestamp, true, source), + _path(path), + _type(type), + _is_output(is_output), + _data_type(DataType::UNKNOWN), + _patch(NULL), + _patch_port(NULL), + _driver_port(NULL) +{ + /* 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). + * + * FIXME: fix this using RCU + */ + + string type_str; + if (type == "ingen:control" || type == "ingen:audio") + _data_type = DataType::FLOAT; + else if (type == "ingen:midi") + _data_type = DataType::MIDI; + else if (type == "ingen:osc") + _data_type = DataType::OSC; +} + + +void +CreatePortEvent::pre_process() +{ + if (_engine.object_store()->find_object(_path) != NULL) { + QueuedEvent::pre_process(); + return; + } + + // FIXME: this is just a mess :/ + + _patch = _engine.object_store()->find_patch(_path.parent()); + + if (_patch != NULL) { + assert(_patch->path() == _path.parent()); + + size_t buffer_size = 1; + if (_type != "ingen:control") + 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); + + if (_patch_port) { + + if (_is_output) + _patch->add_output(new Raul::ListNode<Port*>(_patch_port)); + else + _patch->add_input(new Raul::ListNode<Port*>(_patch_port)); + + if (_patch->external_ports()) + _ports_array = new Raul::Array<Port*>(old_num_ports + 1, *_patch->external_ports()); + else + _ports_array = new Raul::Array<Port*>(old_num_ports + 1, NULL); + + + _ports_array->at(_patch->num_ports()-1) = _patch_port; + //_patch_port->add_to_store(_engine.object_store()); + _engine.object_store()->add(_patch_port); + + if (!_patch->parent()) { + if (_type == "ingen:audio") + _driver_port = _engine.audio_driver()->create_port( + dynamic_cast<DuplexPort*>(_patch_port)); + else if (_type == "ingen:midi") + _driver_port = _engine.midi_driver()->create_port( + dynamic_cast<DuplexPort*>(_patch_port)); + else if (_type == "ingen:osc" && _engine.osc_driver()) + _driver_port = _engine.osc_driver()->create_port( + dynamic_cast<DuplexPort*>(_patch_port)); + } + + assert(_ports_array->size() == _patch->num_ports()); + + } + } + QueuedEvent::pre_process(); +} + + +void +CreatePortEvent::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + if (_patch_port) { + + _engine.maid()->push(_patch->external_ports()); + //_patch->add_port(_port); + + _patch->external_ports(_ports_array); + } + + if (_driver_port) + if (_type == "ingen:audio") + _engine.audio_driver()->add_port(_driver_port); + else if (_type == "ingen:midi") + _engine.midi_driver()->add_port(_driver_port); + else if (_type == "ingen:osc") + cerr << "OSC DRIVER PORT" << endl; + + if (_source) + _source->unblock(); +} + + +void +CreatePortEvent::post_process() +{ + if (!_patch_port) { + const string msg = string("Could not create port - ").append(_path); + _responder->respond_error(msg); + } else { + _responder->respond_ok(); + _engine.broadcaster()->send_port(_patch_port); + } +} + + +} // namespace Ingen + |