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diff --git a/src/server/InputPort.hpp b/src/server/InputPort.hpp
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-/*
- This file is part of Ingen.
- Copyright 2007-2016 David Robillard <http://drobilla.net/>
-
- Ingen is free software: you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free
- Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
-
- You should have received a copy of the GNU Affero General Public License
- along with Ingen. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef INGEN_ENGINE_INPUTPORT_HPP
-#define INGEN_ENGINE_INPUTPORT_HPP
-
-#include <cassert>
-#include <cstdlib>
-
-#include <boost/intrusive/slist.hpp>
-
-#include "ingen/types.hpp"
-
-#include "ArcImpl.hpp"
-#include "PortImpl.hpp"
-
-namespace Ingen {
-namespace Server {
-
-class ArcImpl;
-class BlockImpl;
-class RunContext;
-
-/** An input port on a Block or Graph.
- *
- * All ports have a Buffer, but the actual contents (data) of that buffer may be
- * set directly to the incoming arc's buffer if there's only one inbound
- * arc, to eliminate the need to copy/mix.
- *
- * If a port has multiple arcs, they will be mixed down into the local
- * buffer and it will be used.
- *
- * \ingroup engine
- */
-class InputPort : public PortImpl
-{
-public:
- InputPort(BufferFactory& bufs,
- BlockImpl* parent,
- const Raul::Symbol& symbol,
- uint32_t index,
- uint32_t poly,
- PortType type,
- LV2_URID buffer_type,
- const Atom& value,
- size_t buffer_size = 0);
-
- typedef boost::intrusive::slist<ArcImpl,
- boost::intrusive::constant_time_size<true>
- > Arcs;
-
- /** Return the maximum polyphony of an output connected to this input. */
- virtual uint32_t max_tail_poly(RunContext& context) const;
-
- bool apply_poly(RunContext& context, uint32_t poly);
-
- /** Add an arc. Realtime safe.
- *
- * The buffer of this port will be set directly to the arc's buffer
- * if there is only one arc, since no copying/mixing needs to take place.
- *
- * setup_buffers() must be called later for the change to take effect.
- */
- void add_arc(RunContext& context, ArcImpl& c);
-
- /** Remove an arc. Realtime safe.
- *
- * setup_buffers() must be called later for the change to take effect.
- */
- void remove_arc(ArcImpl& arc);
-
- /** Like `get_buffers`, but for the pre-process thread.
- *
- * This uses the "current" number of arcs fromthe perspective of the
- * pre-process thread to allocate buffers for application of a
- * connection/disconnection/etc in the next process cycle.
- */
- bool pre_get_buffers(BufferFactory& bufs,
- MPtr<Voices>& voices,
- uint32_t poly) const;
-
- bool setup_buffers(RunContext& ctx, BufferFactory& bufs, uint32_t poly);
-
- /** Set up buffer pointers. */
- void pre_process(RunContext& context);
-
- /** Prepare buffer for access, mixing if necessary. */
- void pre_run(RunContext& context);
-
- /** Prepare buffer for next process cycle. */
- void post_process(RunContext& context);
-
- SampleCount next_value_offset(SampleCount offset, SampleCount end) const;
-
- size_t num_arcs() const { return _num_arcs; }
- void increment_num_arcs() { ++_num_arcs; }
- void decrement_num_arcs() { --_num_arcs; }
-
- bool direct_connect() const;
-
-protected:
- bool get_buffers(BufferFactory& bufs,
- PortImpl::GetFn get,
- const MPtr<Voices>& voices,
- uint32_t poly,
- size_t num_in_arcs) const;
-
- size_t _num_arcs; ///< Pre-process thread
- Arcs _arcs; ///< Audio thread
-};
-
-} // namespace Server
-} // namespace Ingen
-
-#endif // INGEN_ENGINE_INPUTPORT_HPP