buffer_manager.h

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/*
 * Copyright (C) 2010-2015 Paul Davis <paul@linuxaudiosystems.com>
 *
 * This program 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.
 *
 * This program 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 more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __libardour_buffer_manager__
#define __libardour_buffer_manager__
 
#include <stdint.h>
 
#include "pbd/mutex.h"
#include "pbd/ringbufferNPT.h"
 
#include "ardour/chan_count.h"
#include <list>
 
namespace ARDOUR {
 
class ThreadBuffers;
 
class LIBARDOUR_API BufferManager
{
public:
        static void init (uint32_t);
 
        static ThreadBuffers* get_thread_buffers ();
        static void           put_thread_buffers (ThreadBuffers*);
 
        static void ensure_buffers (ChanCount howmany = ChanCount::ZERO, size_t custom = 0);
 
private:
        static PBD::Mutex rb_mutex;
 
        typedef PBD::RingBufferNPT<ThreadBuffers*> ThreadBufferFIFO;
        typedef std::list<ThreadBuffers*> ThreadBufferList;
 
        static ThreadBufferFIFO* thread_buffers;
        static ThreadBufferList* thread_buffers_list;
};
 
}
 
#endif /* __libardour_buffer_manager__ */