ardour/ardour/analyser.h

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/*
 * Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
 * Copyright (C) 2008-2015 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.
 */
 
#pragma once
 
#include <memory>
 
#include "pbd/mutex.h"
#include "pbd/pthread_utils.h"
 
#include "ardour/libardour_visibility.h"
 
namespace ARDOUR
{
class AudioFileSource;
class Source;
 
class LIBARDOUR_API Analyser
{
public:
        Analyser ();
 
        static void init ();
        static void terminate ();
        static void queue_source_for_analysis (std::shared_ptr<Source>, bool force);
        static void work ();
        static void flush ();
 
private:
        static PBD::Mutex                       analysis_active_lock;
        static PBD::Mutex                       analysis_queue_lock;
        static PBD::Cond                        SourcesToAnalyse;
        static std::list<std::weak_ptr<Source>> analysis_queue;
        static bool                             analysis_thread_run;
        static PBD::Thread*                     analysis_thread;
 
        static void analyse_audio_file_source (std::shared_ptr<AudioFileSource>);
};
 
} // namespace ARDOUR