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Diffstat (limited to 'src/libs/engine/Connection.hpp')
| -rw-r--r-- | src/libs/engine/Connection.hpp | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/src/libs/engine/Connection.hpp b/src/libs/engine/Connection.hpp deleted file mode 100644 index 36dc0ee2..00000000 --- a/src/libs/engine/Connection.hpp +++ /dev/null @@ -1,97 +0,0 @@ -/* 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 CONNECTION_H -#define CONNECTION_H - -#include <cstdlib> -#include <boost/utility.hpp> -#include <raul/Deletable.hpp> -#include "interface/DataType.hpp" -#include "PortImpl.hpp" -#include "types.hpp" - -namespace Ingen { - -class PortImpl; -class Buffer; - - -/** Represents a single inbound connection for an InputPort. - * - * This can be a group of ports (ie coming from a polyphonic Node) or - * a single Port. This class exists basically as an abstraction of mixing - * down polyphonic inputs, so InputPort can just deal with mixing down - * multiple connections (oblivious to the polyphonic situation of the - * connection itself). - * - * \ingroup engine - */ -class Connection : public Raul::Deletable -{ -public: - Connection(PortImpl* src_port, PortImpl* dst_port); - virtual ~Connection(); - - PortImpl* src_port() const { return _src_port; } - PortImpl* dst_port() const { return _dst_port; } - - /** Used by some (recursive) events to prevent double disconnections */ - bool pending_disconnection() { return _pending_disconnection; } - void pending_disconnection(bool b) { _pending_disconnection = b; } - - void process(ProcessContext& context); - - /** Get the buffer for a particular voice. - * A Connection is smart - it knows the destination port requesting the - * buffer, and will return accordingly (ie the same buffer for every voice - * in a mono->poly connection). - */ - inline Buffer* buffer(size_t voice) const; - - void set_buffer_size(size_t size); - void prepare_poly(uint32_t poly); - void apply_poly(Raul::Maid& maid, uint32_t poly); - - DataType type() const { return _src_port->type(); } - -protected: - PortImpl* const _src_port; - PortImpl* const _dst_port; - Buffer* _local_buffer; - size_t _buffer_size; - bool _must_mix; - bool _pending_disconnection; -}; - - -inline Buffer* -Connection::buffer(size_t voice) const -{ - if (_must_mix) { - return _local_buffer; - } else if ( ! _src_port->polyphonic()) { - return _src_port->buffer(0); - } else { - return _src_port->buffer(voice); - } -} - - -} // namespace Ingen - -#endif // CONNECTION_H |