#ifndef _Waveform_h
#define _Waveform_h

/*
 *	subtitleeditor -- a tool to create or edit subtitle
 *
 *	http://home.gna.org/subtitleeditor/
 *	https://gna.org/projects/subtitleeditor/
 *
 *	Copyright @ 2005-2009, kitone
 *
 *	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 3 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, see <http://www.gnu.org/licenses/>.
 */
 

#include <glibmm.h>
#include <vector>


class Waveform
{
public:
	Waveform();
	~Waveform();

	/*
	 * Open Wavefrom from file
	 */
	static Glib::RefPtr<Waveform> create_from_file(const Glib::ustring &uri);

	/*
	 *
	 */
	guint get_size();

	/*
	 *	long = SubtitleTime.totalmsec
	 */
	gint64 get_duration();

	/*
	 * long = SubtitleTime.totalmsecs
	 */
	double get_channel(unsigned int channel, guint64 pos);

	/*
	 *
	 */
	unsigned int get_n_channels();

	/*
	 *
	 */
	bool open(const Glib::ustring &uri);

	/*
	 *
	 */
	bool save(const Glib::ustring &uri);

	/*
	 *	l'uri de la video source du waveform 
	 */
	Glib::ustring get_video_uri();

	/*
	 *	
	 */
	Glib::ustring get_uri();

	/*
	 *
	 */
	void reference() const;
	void unreference() const;

//protected:

	Glib::ustring	m_waveform_uri;
	Glib::ustring m_video_uri;
	guint	m_n_channels;
	std::vector<double> m_channels[2];
	gint64	m_duration;
protected:
	mutable int ref_count_;
};

#endif//_Waveform_h

