From 98fe0e7056e6697396249531785d3899f94d79be Mon Sep 17 00:00:00 2001 From: David Robillard Date: Sat, 10 Jun 2006 01:52:02 +0000 Subject: More juggling git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1 --- src/libs/engine/PortBase.h | 87 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/libs/engine/PortBase.h (limited to 'src/libs/engine/PortBase.h') diff --git a/src/libs/engine/PortBase.h b/src/libs/engine/PortBase.h new file mode 100644 index 00000000..9962538e --- /dev/null +++ b/src/libs/engine/PortBase.h @@ -0,0 +1,87 @@ +/* This file is part of Om. Copyright (C) 2006 Dave Robillard. + * + * Om 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. + * + * Om 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., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef PORTBASE_H +#define PORTBASE_H + +#include +#include "util/types.h" +#include "Array.h" +#include "Port.h" +#include "Buffer.h" + +using std::string; + +namespace Om { + +class MidiMessage; +class Node; + + +/** A port (with a type). + * + * This is basically just a buffer and a bunch of flags and helper methods. + * All the interesting functionality of ports is in InputPort. + * + * \ingroup engine + */ +template +class PortBase : public Port +{ +public: + virtual ~PortBase(); + + void set_value(size_t voice, T val, size_t offset); + void set_value(T val, size_t offset); + + Buffer* buffer(size_t voice) const { return m_buffers.at(voice); } + + virtual void prepare_buffers(size_t nframes); + virtual void clear_buffers(); + + PortBase* tied_port() const { return m_tied_port; } + void untie() { m_is_tied = false; m_tied_port = NULL; } + + size_t buffer_size() const { return m_buffer_size; } + + /** Used by drivers to prevent port from changing buffers */ + void fixed_buffers(bool b) { m_fixed_buffers = b; } + bool fixed_buffers() { return m_fixed_buffers; } + +protected: + PortBase(Node* const node, const string& name, size_t index, size_t poly, PortInfo* port_info, size_t buffer_size); + + // Prevent copies (undefined) + PortBase(const PortBase& copy); + PortBase& operator=(const Port&); + + void allocate_buffers(); + + size_t m_buffer_size; + bool m_fixed_buffers; + bool m_is_tied; + PortBase* m_tied_port; + + Array*> m_buffers; +}; + + +template class PortBase; +template class PortBase; + +} // namespace Om + +#endif // PORTBASE_H -- cgit v1.2.1