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authorDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
committerDavid Robillard <d@drobilla.net>2006-06-10 01:52:02 +0000
commit98fe0e7056e6697396249531785d3899f94d79be (patch)
tree233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/engine/Buffer.h
parent6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff)
downloadingen-98fe0e7056e6697396249531785d3899f94d79be.tar.gz
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More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/Buffer.h')
-rw-r--r--src/engine/Buffer.h91
1 files changed, 0 insertions, 91 deletions
diff --git a/src/engine/Buffer.h b/src/engine/Buffer.h
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--- a/src/engine/Buffer.h
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@@ -1,91 +0,0 @@
-/* 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 BUFFER_H
-#define BUFFER_H
-
-#include <cstddef>
-#include <cassert>
-#include "util/types.h"
-
-namespace Om {
-
-
-template <typename T>
-class Buffer
-{
-public:
- Buffer(size_t size);
-
- void clear();
- void set(T val, size_t start_sample);
- void set(T val, size_t start_sample, size_t end_sample);
- void scale(T val, size_t start_sample, size_t end_sample);
- void copy(const Buffer<T>* src, size_t start_sample, size_t end_sample);
- void accumulate(const Buffer<T>* src, size_t start_sample, size_t end_sample);
-
- void join(Buffer* buf);
- void unjoin();
-
- inline T& value_at(size_t offset) { assert(offset < m_size); return m_data[offset]; }
-
- void prepare(samplecount nframes);
-
- void filled_size(size_t size) { m_filled_size = size; }
- size_t filled_size() const { return m_filled_size; }
- bool is_joined() const { return m_is_joined; }
- size_t size() const { return m_size; }
- T* data() const { return m_data; }
-
-protected:
- enum BufferState { OK, HALF_SET_CYCLE_1, HALF_SET_CYCLE_2 };
-
- void allocate();
- void deallocate();
-
- size_t m_size; ///< Allocated buffer size
- size_t m_filled_size; ///< Usable buffer size (for MIDI ports etc)
- bool m_is_joined; ///< Whether or not @ref m_data is shares with another Buffer
- BufferState m_state; ///< State of buffer for setting values next cycle
- T m_set_value; ///< Value set by @ref set (may need to be set next cycle)
-
- T* m_data; ///< Buffer to be returned by data() (not equal to m_local_data if joined)
- T* m_local_data; ///< Locally allocated buffer
-};
-
-
-/** Less robust Buffer for Driver's use.
- *
- * Does not allocate an array by default, and allows direct setting of
- * data pointer for zero-copy processing.
- */
-template <typename T>
-class DriverBuffer : public Buffer<T>
-{
-public:
- DriverBuffer(size_t size);
-
- void set_data(T* data);
-
-private:
- using Buffer<T>::m_data;
- using Buffer<T>::m_is_joined;
-};
-
-
-} // namespace Om
-
-#endif // BUFFER_H