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/*
Copyright (C) 2013 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_CONTENT_H
#define DCPOMATIC_FFMPEG_CONTENT_H
#include <boost/enable_shared_from_this.hpp>
#include "video_content.h"
#include "audio_content.h"
#include "subtitle_content.h"
#include "audio_mapping.h"
struct AVFormatContext;
struct AVStream;
class Filter;
class ffmpeg_pts_offset_test;
class FFmpegStream
{
public:
FFmpegStream (std::string n, int i)
: name (n)
, _id (i)
{}
FFmpegStream (boost::shared_ptr<const cxml::Node>);
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;
};
class FFmpegAudioStream : public FFmpegStream
{
public:
FFmpegAudioStream (std::string n, int i, int f, int c)
: FFmpegStream (n, i)
, frame_rate (f)
, channels (c)
, mapping (c)
{
mapping.make_default ();
}
FFmpegAudioStream (boost::shared_ptr<const cxml::Node>, int);
void as_xml (xmlpp::Node *) const;
int frame_rate;
int channels;
AudioMapping mapping;
boost::optional<double> first_audio;
private:
friend class ffmpeg_pts_offset_test;
/* Constructor for tests */
FFmpegAudioStream ()
: FFmpegStream ("", 0)
, frame_rate (0)
, channels (0)
, mapping (1)
{}
};
class FFmpegSubtitleStream : public FFmpegStream
{
public:
FFmpegSubtitleStream (std::string n, int i)
: FFmpegStream (n, i)
{}
FFmpegSubtitleStream (boost::shared_ptr<const cxml::Node>);
void as_xml (xmlpp::Node *) const;
};
class FFmpegContentProperty : public VideoContentProperty
{
public:
static int const SUBTITLE_STREAMS;
static int const SUBTITLE_STREAM;
static int const AUDIO_STREAMS;
static int const AUDIO_STREAM;
static int const FILTERS;
};
class FFmpegContent : public VideoContent, public AudioContent, public SubtitleContent
{
public:
FFmpegContent (boost::shared_ptr<const Film>, boost::filesystem::path);
FFmpegContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int version);
FFmpegContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
boost::shared_ptr<FFmpegContent> shared_from_this () {
return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
}
void examine (boost::shared_ptr<Job>);
std::string summary () const;
std::string technical_summary () const;
std::string information () const;
void as_xml (xmlpp::Node *) const;
Time full_length () const;
std::string identifier () const;
/* AudioContent */
int audio_channels () const;
AudioContent::Frame audio_length () const;
int content_audio_frame_rate () const;
int output_audio_frame_rate () const;
AudioMapping audio_mapping () const;
void set_audio_mapping (AudioMapping);
void set_filters (std::vector<Filter const *> const &);
std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_streams;
}
boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_stream;
}
std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
boost::mutex::scoped_lock lm (_mutex);
return _audio_streams;
}
boost::shared_ptr<FFmpegAudioStream> audio_stream () const {
boost::mutex::scoped_lock lm (_mutex);
return _audio_stream;
}
std::vector<Filter const *> filters () const {
boost::mutex::scoped_lock lm (_mutex);
return _filters;
}
void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
void set_audio_stream (boost::shared_ptr<FFmpegAudioStream>);
boost::optional<double> first_video () const {
boost::mutex::scoped_lock lm (_mutex);
return _first_video;
}
private:
friend class ffmpeg_pts_offset_test;
std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
boost::shared_ptr<FFmpegAudioStream> _audio_stream;
boost::optional<double> _first_video;
/** Video filters that should be used when generating DCPs */
std::vector<Filter const *> _filters;
};
#endif
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