diff options
Diffstat (limited to 'src/server/InputPort.hpp')
| -rw-r--r-- | src/server/InputPort.hpp | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/src/server/InputPort.hpp b/src/server/InputPort.hpp deleted file mode 100644 index 708f7ea2..00000000 --- a/src/server/InputPort.hpp +++ /dev/null @@ -1,128 +0,0 @@ -/* - 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 |