/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_SUBTITLE_DECODER_H
#define DCPOMATIC_SUBTITLE_DECODER_H
-#include <dcp/subtitle_string.h>
#include "decoder.h"
#include "rect.h"
#include "types.h"
#include "content_subtitle.h"
+#include "decoder_part.h"
+#include <dcp/subtitle_string.h>
+#include <boost/signals2.hpp>
+
+namespace sub {
+ class Subtitle;
+}
-class Film;
-class DCPTimedSubtitle;
class Image;
-class SubtitleDecoder : public virtual Decoder
+class SubtitleDecoder : public DecoderPart
{
public:
- SubtitleDecoder ();
+ /** Second parameter to the _during functions is true if we
+ * want only subtitles that start during the period,
+ * otherwise we want subtitles that overlap the period.
+ */
+ SubtitleDecoder (
+ Decoder* parent,
+ boost::shared_ptr<const SubtitleContent>,
+ boost::shared_ptr<Log> log
+ );
+
+ ContentTime position () const {
+ return _position;
+ }
+
+ void emit_image_start (ContentTime from, boost::shared_ptr<Image> image, dcpomatic::Rect<double> rect);
+ void emit_text_start (ContentTime from, std::list<dcp::SubtitleString> s);
+ void emit_text_start (ContentTime from, sub::Subtitle const & subtitle);
+ void emit_text (ContentTimePeriod period, std::list<dcp::SubtitleString> s);
+ void emit_text (ContentTimePeriod period, sub::Subtitle const & subtitle);
+ void emit_stop (ContentTime to);
- std::list<boost::shared_ptr<ContentImageSubtitle> > get_image_subtitles (ContentTimePeriod period);
- std::list<boost::shared_ptr<ContentTextSubtitle> > get_text_subtitles (ContentTimePeriod period);
+ void seek ();
-protected:
- void seek (ContentTime, bool);
-
- void image_subtitle (ContentTimePeriod period, boost::shared_ptr<Image>, dcpomatic::Rect<double>);
- void text_subtitle (std::list<dcp::SubtitleString>);
+ boost::shared_ptr<const SubtitleContent> content () const {
+ return _content;
+ }
- std::list<boost::shared_ptr<ContentImageSubtitle> > _decoded_image_subtitles;
- std::list<boost::shared_ptr<ContentTextSubtitle> > _decoded_text_subtitles;
+ boost::signals2::signal<void (ContentImageSubtitle)> ImageStart;
+ boost::signals2::signal<void (ContentTextSubtitle)> TextStart;
+ boost::signals2::signal<void (ContentTime)> Stop;
private:
- template <class T>
- std::list<boost::shared_ptr<T> > get (std::list<boost::shared_ptr<T> > const & subs, ContentTimePeriod period);
+ boost::shared_ptr<const SubtitleContent> _content;
+ ContentTime _position;
};
#endif