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Diffstat (limited to 'src/server/internals/Trigger.hpp')
-rw-r--r-- | src/server/internals/Trigger.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/server/internals/Trigger.hpp b/src/server/internals/Trigger.hpp new file mode 100644 index 00000000..92b85345 --- /dev/null +++ b/src/server/internals/Trigger.hpp @@ -0,0 +1,77 @@ +/* This file is part of Ingen. + * Copyright 2007-2011 David 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 + */ + +#ifndef INGEN_INTERNALS_TRIGGER_HPP +#define INGEN_INTERNALS_TRIGGER_HPP + +#include <string> +#include "NodeImpl.hpp" + +namespace Ingen { +namespace Server { + +class InputPort; +class OutputPort; +class InternalPlugin; + +namespace Internals { + +/** MIDI trigger input node. + * + * Just has a gate, for drums etc. A control port is used to select + * which note number is responded to. + * + * Note that this node is always monophonic, the poly parameter is ignored. + * (Should that change?) + * + * \ingroup engine + */ +class TriggerNode : public NodeImpl +{ +public: + TriggerNode( + InternalPlugin* plugin, + BufferFactory& bufs, + const std::string& path, + bool polyphonic, + PatchImpl* parent, + SampleRate srate); + + void process(ProcessContext& context); + + void note_on(ProcessContext& context, uint8_t note_num, uint8_t velocity, FrameTime time); + void note_off(ProcessContext& context, uint8_t note_num, FrameTime time); + + void learn() { _learning = true; } + + static InternalPlugin* internal_plugin(Shared::LV2URIMap& uris); + +private: + bool _learning; + + InputPort* _midi_in_port; + InputPort* _note_port; + OutputPort* _gate_port; + OutputPort* _trig_port; + OutputPort* _vel_port; +}; + +} // namespace Server +} // namespace Ingen +} // namespace Internals + +#endif // INGEN_INTERNALS_TRIGGER_HPP |