2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef DCPOMATIC_VIDEO_DECODER_H
21 #define DCPOMATIC_VIDEO_DECODER_H
23 #include "video_source.h"
29 class VideoDecoder : public VideoSource, public virtual Decoder
32 VideoDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const VideoContent>);
34 /* Calls for VideoContent to find out about itself */
36 /** @return video frame rate second, or 0 if unknown */
37 virtual float video_frame_rate () const = 0;
38 /** @return video size in pixels */
39 virtual libdcp::Size video_size () const = 0;
40 /** @return length according to our content's header */
41 virtual ContentVideoFrame video_length () const = 0;
45 void video (boost::shared_ptr<Image>, bool, Time);
46 void subtitle (boost::shared_ptr<TimedSubtitle>);
47 bool video_done () const;
50 boost::shared_ptr<const VideoContent> _video_content;
53 boost::shared_ptr<TimedSubtitle> _timed_subtitle;
54 FrameRateConversion _frame_rate_conversion;