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-rw-r--r--src/server/BufferFactory.hpp118
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diff --git a/src/server/BufferFactory.hpp b/src/server/BufferFactory.hpp
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-/*
- This file is part of Ingen.
- Copyright 2007-2015 David Robillard <http://drobilla.net/>
-
- Ingen is free software: you can redistribute it and/or modify it under the
- terms of the GNU Affero General Public License as published by the Free
- Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
-
- You should have received a copy of the GNU Affero General Public License
- along with Ingen. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef INGEN_ENGINE_BUFFERFACTORY_HPP
-#define INGEN_ENGINE_BUFFERFACTORY_HPP
-
-#include <atomic>
-#include <map>
-#include <mutex>
-
-#include "ingen/Atom.hpp"
-#include "ingen/Forge.hpp"
-#include "ingen/URIs.hpp"
-#include "ingen/ingen.h"
-#include "ingen/types.hpp"
-#include "raul/RingBuffer.hpp"
-
-#include "BufferRef.hpp"
-#include "PortType.hpp"
-#include "types.hpp"
-
-namespace Raul { class Maid; }
-
-namespace Ingen {
-
-class URIs;
-
-namespace Server {
-
-class Engine;
-
-class INGEN_API BufferFactory {
-public:
- BufferFactory(Engine& engine, URIs& uris);
- ~BufferFactory();
-
- static uint32_t audio_buffer_size(SampleCount nframes);
-
- uint32_t audio_buffer_size() const;
- uint32_t default_size(LV2_URID type) const;
-
- /** Dynamically allocate a new Buffer. */
- BufferRef create(LV2_URID type,
- LV2_URID value_type,
- uint32_t capacity = 0);
-
- /** Get a new buffer, reusing if possible, allocating if otherwise. */
- BufferRef get_buffer(LV2_URID type,
- LV2_URID value_type,
- uint32_t capacity);
-
- /** Claim an existing buffer, never allocates, real-time safe. */
- BufferRef claim_buffer(LV2_URID type,
- LV2_URID value_type,
- uint32_t capacity);
-
- /** Return a reference to a shared silent buffer. */
- BufferRef silent_buffer();
-
- void set_block_length(SampleCount block_length);
- void set_seq_size(uint32_t seq_size) { _seq_size = seq_size; }
-
- Forge& forge();
- Raul::Maid& maid();
-
- URIs& uris() { return _uris; }
- Engine& engine() { return _engine; }
-
-private:
- friend class Buffer;
- void recycle(Buffer* buf);
-
- Buffer* try_get_buffer(LV2_URID type);
-
- inline std::atomic<Buffer*>& free_list(LV2_URID type) {
- if (type == _uris.atom_Float) {
- return _free_control;
- } else if (type == _uris.atom_Sound) {
- return _free_audio;
- } else if (type == _uris.atom_Sequence) {
- return _free_sequence;
- } else {
- return _free_object;
- }
- }
-
- void free_list(Buffer* head);
-
- std::atomic<Buffer*> _free_audio;
- std::atomic<Buffer*> _free_control;
- std::atomic<Buffer*> _free_sequence;
- std::atomic<Buffer*> _free_object;
-
- std::mutex _mutex;
- Engine& _engine;
- URIs& _uris;
- uint32_t _seq_size;
-
- BufferRef _silent_buffer;
-};
-
-} // namespace Server
-} // namespace Ingen
-
-#endif // INGEN_ENGINE_BUFFERFACTORY_HPP