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/*
Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#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 id, int index)
: name(n)
, _id(id)
, _index(index)
{}
explicit FFmpegStream(cxml::ConstNodePtr);
void as_xml(xmlpp::Element*) 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;
std::string identifier() const;
boost::optional<int> id() const {
return _id;
}
void unset_id() {
_id = boost::none;
}
void set_index(int index) {
_index = index;
}
int index(AVFormatContext const * c) const;
std::string name;
friend bool operator==(FFmpegStream const & a, FFmpegStream const & b);
friend bool operator!=(FFmpegStream const & a, FFmpegStream const & b);
private:
boost::optional<int> _id;
boost::optional<int> _index;
};
#endif
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