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authorDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
committerDavid Robillard <d@drobilla.net>2008-09-30 16:50:21 +0000
commit93850c202de8b073a1ce1dd8bd246d407bce4e2f (patch)
tree6910b135bf4eff12de1af116cef73f6e9c107cd0 /src/libs/engine/PortImpl.hpp
parenta8bf5272d096de73507d2eab47f282c345f4ca8a (diff)
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Flatten ingen source directory heirarchy a bit.
git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@1551 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/PortImpl.hpp')
-rw-r--r--src/libs/engine/PortImpl.hpp147
1 files changed, 0 insertions, 147 deletions
diff --git a/src/libs/engine/PortImpl.hpp b/src/libs/engine/PortImpl.hpp
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-/* 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
- */
-
-#ifndef PORTIMPL_H
-#define PORTIMPL_H
-
-#include <cstdlib>
-#include <string>
-#include <raul/Array.hpp>
-#include "interface/Port.hpp"
-#include "types.hpp"
-#include "GraphObjectImpl.hpp"
-#include "interface/DataType.hpp"
-#include "Buffer.hpp"
-#include "Context.hpp"
-
-namespace Raul { class Maid; class Atom; }
-
-namespace Ingen {
-
-class NodeImpl;
-class Buffer;
-class ProcessContext;
-
-
-/** A port on a Node.
- *
- * This is a non-template abstract base class, which basically exists so
- * things can pass around Port pointers and not have to worry about type,
- * templates, etc.
- *
- * \ingroup engine
- */
-class PortImpl : public GraphObjectImpl, public Ingen::Shared::Port
-{
-public:
- virtual ~PortImpl();
-
- /** A port's parent is always a node, so static cast should be safe */
- NodeImpl* parent_node() const { return (NodeImpl*)_parent; }
-
- bool set_polyphonic(Raul::Maid& maid, bool p);
-
- /** Prepare for a new (external) polyphony value.
- *
- * Preprocessor thread, poly is actually applied by apply_poly.
- */
- virtual bool prepare_poly(uint32_t poly);
-
- /** Apply a new polyphony value.
- *
- * Audio thread.
- *
- * \param poly Must be < the most recent value passed to prepare_poly.
- */
- virtual bool apply_poly(Raul::Maid& maid, uint32_t poly);
-
- const Raul::Atom& value() const { return _value; }
- void set_value(const Raul::Atom& v) { _value = v; }
-
- inline Buffer* buffer(uint32_t voice) const {
- Buffer* const buf = _buffers->at(voice);
- if (buf->is_joined()) {
- assert(buf->joined_buffer());
- return buf->joined_buffer();
- } else {
- return buf;
- }
- }
-
- /** Called once per process cycle */
- virtual void pre_process(ProcessContext& context) = 0;
- virtual void process(ProcessContext& context) {};
- virtual void post_process(ProcessContext& context) = 0;
-
- /** Empty buffer contents completely (ie silence) */
- virtual void clear_buffers();
-
- virtual bool is_input() const = 0;
- virtual bool is_output() const = 0;
-
- uint32_t index() const { return _index; }
- uint32_t poly() const { return _poly; }
- DataType type() const { return _type; }
- size_t buffer_size() const { return _buffer_size; }
-
- virtual void set_buffer_size(size_t size);
-
- void fixed_buffers(bool b) { _fixed_buffers = b; }
- bool fixed_buffers() { return _fixed_buffers; }
-
- void broadcast(bool b) { _broadcast = b; }
- bool broadcast() { return _broadcast; }
-
- void raise_set_by_user_flag() { _set_by_user = true; }
-
- Context::ID context() const { return _context; }
- void set_context(Context::ID c) { _context = c; }
-
-protected:
- PortImpl(NodeImpl* node,
- const std::string& name,
- uint32_t index,
- uint32_t poly,
- DataType type,
- const Raul::Atom& value,
- size_t buffer_size);
-
- virtual void allocate_buffers();
- virtual void connect_buffers();
- virtual void broadcast(ProcessContext& context);
-
- uint32_t _index;
- uint32_t _poly;
- uint32_t _buffer_size;
- DataType _type;
- Raul::Atom _value;
- bool _fixed_buffers;
- bool _broadcast;
- bool _set_by_user;
- Sample _last_broadcasted_value;
-
- Context::ID _context;
- Raul::Array<Buffer*>* _buffers;
-
- // Dynamic polyphony
- Raul::Array<Buffer*>* _prepared_buffers;
-};
-
-
-} // namespace Ingen
-
-#endif // PORTIMPL_H