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-rw-r--r--src/server/DuplexPort.hpp98
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diff --git a/src/server/DuplexPort.hpp b/src/server/DuplexPort.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_DUPLEXPORT_HPP
-#define INGEN_ENGINE_DUPLEXPORT_HPP
-
-#include <boost/intrusive/slist.hpp>
-
-#include "BufferRef.hpp"
-#include "InputPort.hpp"
-
-namespace Ingen {
-namespace Server {
-
-class BlockImpl;
-
-/** A duplex Port (both an input and output port on a Graph)
- *
- * This is used for Graph ports, since they need to appear as both an input and
- * an output port based on context. There are no actual duplex ports in Ingen,
- * a Port is either an Input or Output. This class only exists to allow Graph
- * outputs to appear as inputs from within that Graph, and vice versa.
- *
- * \ingroup engine
- */
-class DuplexPort : public InputPort
- , public boost::intrusive::slist_base_hook<> // In GraphImpl
-{
-public:
- DuplexPort(BufferFactory& bufs,
- GraphImpl* parent,
- const Raul::Symbol& symbol,
- uint32_t index,
- bool polyphonic,
- PortType type,
- LV2_URID buf_type,
- size_t buf_size,
- const Atom& value,
- bool is_output);
-
- virtual ~DuplexPort();
-
- DuplexPort* duplicate(Engine& engine,
- const Raul::Symbol& symbol,
- GraphImpl* parent);
-
- void inherit_neighbour(const PortImpl* port,
- Properties& remove,
- Properties& add);
-
- void on_property(const URI& uri, const Atom& value);
-
- uint32_t max_tail_poly(RunContext& context) const;
-
- bool prepare_poly(BufferFactory& bufs, uint32_t poly);
-
- bool apply_poly(RunContext& context, uint32_t poly);
-
- bool get_buffers(BufferFactory& bufs,
- PortImpl::GetFn get,
- const MPtr<Voices>& voices,
- uint32_t poly,
- size_t num_in_arcs) const;
-
- virtual void set_is_driver_port(BufferFactory& bufs);
-
- /** Set the external driver-provided buffer.
- *
- * This may only be called in the process thread, after an earlier call to
- * prepare_driver_buffer().
- */
- void set_driver_buffer(void* buf, uint32_t capacity);
-
- bool setup_buffers(RunContext& ctx, BufferFactory& bufs, uint32_t poly);
-
- void pre_process(RunContext& context);
- void post_process(RunContext& context);
-
- SampleCount next_value_offset(SampleCount offset, SampleCount end) const;
-};
-
-} // namespace Server
-} // namespace Ingen
-
-#endif // INGEN_ENGINE_DUPLEXPORT_HPP