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/*
    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>

    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 DCPOMATIC_FFMPEG_STREAM_H
#define DCPOMATIC_FFMPEG_STREAM_H

#include <libcxml/cxml.h>
#include <boost/lexical_cast.hpp>

struct AVFormatContext;
struct AVStream;

class FFmpegStream
{
public:
	FFmpegStream (std::string n, int i)
		: name (n)
		, _id (i)
	{}

	FFmpegStream (cxml::ConstNodePtr);

	void as_xml (xmlpp::Node *) const;

	/** @param c An AVFormatContext.
	 *  @param index A stream index within the AVFormatContext.
	 *  @return true if this FFmpegStream uses the given stream index.
	 */
	bool uses_index (AVFormatContext const * c, int index) const;
	AVStream* stream (AVFormatContext const * c) const;

	std::string technical_summary () const {
		return "id " + boost::lexical_cast<std::string> (_id);
	}

	std::string identifier () const {
		return boost::lexical_cast<std::string> (_id);
	}

	std::string name;

	friend bool operator== (FFmpegStream const & a, FFmpegStream const & b);
	friend bool operator!= (FFmpegStream const & a, FFmpegStream const & b);

private:
	int _id;
};

#endif