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/*
    Copyright (C) 1999 Paul Davis 

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __ardour_ardour_h__
#define __ardour_ardour_h__

#include <limits.h>
#include <string>
#include <signal.h>

#include <pbd/error.h>
#include <pbd/failed_constructor.h>

#include <ardour/configuration.h>
#include <ardour/types.h>

namespace MIDI {
	class MachineControl;
	class Port;
}

namespace ARDOUR {

	class AudioEngine;
	class OSC;

	extern OSC* osc;

	static const nframes_t max_frames = JACK_MAX_FRAMES;

	int init (AudioEngine& engine, bool with_vst, bool try_optimization);
	int cleanup ();
	
	std::string get_ardour_revision ();
	
	std::string get_user_ardour_path ();
	std::string get_system_data_path ();
	std::string get_system_module_path ();

	std::string find_config_file (std::string name);
	std::string find_data_file (std::string name, std::string subdir = "" );

	const layer_t max_layer = UCHAR_MAX;

	microseconds_t get_microseconds ();

	Change new_change ();

	extern Change StartChanged;
	extern Change LengthChanged;
	extern Change PositionChanged;
	extern Change NameChanged;
	extern Change BoundsChanged;

	struct LocaleGuard {
	    LocaleGuard (const char*);
	    ~LocaleGuard ();
	    const char* old;
	};

	static const double SHUTTLE_FRACT_SPEED1=0.48412291827; /* derived from A1,A2 */
}

/* how do we make these be within the Ardour namespace? */

extern MIDI::Port* default_mmc_port;
extern MIDI::Port* default_mtc_port;
extern MIDI::Port* default_midi_port;

#endif /* __ardour_ardour_h__ */