/*
    Copyright (C) 2007 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_sndfile_importable_source_h__
#define __ardour_sndfile_importable_source_h__

#include <boost/shared_ptr.hpp>
#include <sndfile.h>
#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/importable_source.h"

namespace ARDOUR {

class LIBARDOUR_API SndFileImportableSource : public ImportableSource {
    public:
	SndFileImportableSource (const std::string& path);
	virtual ~SndFileImportableSource();

	framecnt_t read (Sample* buffer, framecnt_t nframes);
	uint32_t   channels() const;
	framecnt_t length() const;
	framecnt_t samplerate() const;
	void       seek (framepos_t pos);
	framepos_t natural_position() const;
	bool       clamped_at_unity () const;

   protected:
	SF_INFO sf_info;
	boost::shared_ptr<SNDFILE> in;

	/* these are int64_t so as to be independent of whatever
	   types Ardour may use for framepos_t, framecnt_t etc.
	*/

	int64_t timecode;
	int64_t get_timecode_info (SNDFILE*, SF_BROADCAST_INFO*, bool&);
};

}

#endif /* __ardour_sndfile_importable_source_h__ */