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Diffstat (limited to 'src/libs/engine/Buffer.hpp')
-rw-r--r-- | src/libs/engine/Buffer.hpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/libs/engine/Buffer.hpp b/src/libs/engine/Buffer.hpp new file mode 100644 index 00000000..d4b52465 --- /dev/null +++ b/src/libs/engine/Buffer.hpp @@ -0,0 +1,66 @@ +/* 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 BUFFER_H +#define BUFFER_H + +#include <cstddef> +#include <cassert> +#include <boost/utility.hpp> +#include "types.hpp" +#include "DataType.hpp" + +namespace Ingen { + + +class Buffer : public boost::noncopyable +{ +public: + Buffer(DataType type, size_t size) + : _type(type) + , _size(size) + {} + + virtual ~Buffer() {} + + /** Clear contents and reset state */ + virtual void clear() = 0; + + /** Reset state (ie reset read ptr), but leave contents */ + virtual void reset(SampleCount nframes) = 0; + + virtual void prepare_read(SampleCount nframes) = 0; + virtual void prepare_write(SampleCount nframes) = 0; + + virtual bool is_joined_to(Buffer* buf) const = 0; + virtual bool join(Buffer* buf) = 0; + virtual void unjoin() = 0; + + virtual void resize(size_t size) { _size = size; } + + DataType type() const { return _type; } + size_t size() const { return _size; } + +protected: + DataType _type; + size_t _size; +}; + + +} // namespace Ingen + +#endif // BUFFER_H |