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/*
Copyright (C) 2013-2016 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_SUBTITLE_CONTENT_H
#define DCPOMATIC_SUBTITLE_CONTENT_H
#include "content_part.h"
#include <libcxml/cxml.h>
#include <dcp/types.h>
#include <boost/signals2.hpp>
class Font;
class SubtitleContentProperty
{
public:
static int const SUBTITLE_X_OFFSET;
static int const SUBTITLE_Y_OFFSET;
static int const SUBTITLE_X_SCALE;
static int const SUBTITLE_Y_SCALE;
static int const USE_SUBTITLES;
static int const BURN_SUBTITLES;
static int const SUBTITLE_LANGUAGE;
static int const FONTS;
static int const SUBTITLE_VIDEO_FRAME_RATE;
static int const SUBTITLE_COLOUR;
static int const SUBTITLE_OUTLINE;
static int const SUBTITLE_OUTLINE_COLOUR;
};
class SubtitleContent : public ContentPart
{
public:
SubtitleContent (Content* parent, boost::shared_ptr<const Film>);
SubtitleContent (Content* parent, boost::shared_ptr<const Film>, cxml::ConstNodePtr, int version);
SubtitleContent (Content* parent, boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
void as_xml (xmlpp::Node *) const;
std::string identifier () const;
bool has_image_subtitles () const {
/* XXX */
return true;
}
void add_font (boost::shared_ptr<Font> font);
void set_use_subtitles (bool);
void set_burn_subtitles (bool);
void set_subtitle_x_offset (double);
void set_subtitle_y_offset (double);
void set_subtitle_x_scale (double);
void set_subtitle_y_scale (double);
void set_subtitle_language (std::string language);
bool use_subtitles () const {
boost::mutex::scoped_lock lm (_mutex);
return _use_subtitles;
}
bool burn_subtitles () const {
boost::mutex::scoped_lock lm (_mutex);
return _burn_subtitles;
}
double subtitle_x_offset () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_x_offset;
}
double subtitle_y_offset () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_y_offset;
}
double subtitle_x_scale () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_x_scale;
}
double subtitle_y_scale () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_y_scale;
}
std::list<boost::shared_ptr<Font> > fonts () const {
boost::mutex::scoped_lock lm (_mutex);
return _fonts;
}
std::string subtitle_language () const {
boost::mutex::scoped_lock lm (_mutex);
return _subtitle_language;
}
void set_colour (dcp::Colour);
dcp::Colour colour () const {
boost::mutex::scoped_lock lm (_mutex);
return _colour;
}
void set_outline (bool);
bool outline () const {
boost::mutex::scoped_lock lm (_mutex);
return _outline;
}
void set_outline_colour (dcp::Colour);
dcp::Colour outline_colour () const {
boost::mutex::scoped_lock lm (_mutex);
return _outline_colour;
}
double subtitle_video_frame_rate () const;
void set_subtitle_video_frame_rate (double r);
protected:
/** subtitle language (e.g. "German") or empty if it is not known */
std::string _subtitle_language;
private:
friend struct ffmpeg_pts_offset_test;
void font_changed ();
void connect_to_fonts ();
bool _use_subtitles;
bool _burn_subtitles;
/** x offset for placing subtitles, as a proportion of the container width;
* +ve is further right, -ve is further left.
*/
double _subtitle_x_offset;
/** y offset for placing subtitles, as a proportion of the container height;
* +ve is further down the frame, -ve is further up.
*/
double _subtitle_y_offset;
/** x scale factor to apply to subtitles */
double _subtitle_x_scale;
/** y scale factor to apply to subtitles */
double _subtitle_y_scale;
std::list<boost::shared_ptr<Font> > _fonts;
dcp::Colour _colour;
bool _outline;
dcp::Colour _outline_colour;
std::list<boost::signals2::connection> _font_connections;
/** Video frame rate that this content has been prepared for, if known */
boost::optional<double> _frame_rate;
};
#endif
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