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 #include "video_decoder.h"
26 using boost::shared_ptr;
28 VideoDecoder::VideoDecoder (shared_ptr<const Film> f, shared_ptr<const VideoContent> c)
37 VideoDecoder::video (shared_ptr<const Image> image, bool same, VideoContent::Frame frame)
39 switch (_video_content->video_frame_type ()) {
40 case VIDEO_FRAME_TYPE_2D:
41 Video (image, EYES_BOTH, same, frame);
43 case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
45 int const half = image->size().width / 2;
46 Video (image->crop (Crop (0, half, 0, 0), true), EYES_LEFT, same, frame);
47 Video (image->crop (Crop (half, 0, 0, 0), true), EYES_RIGHT, same, frame);
50 case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
52 int const half = image->size().height / 2;
53 Video (image->crop (Crop (0, 0, 0, half), true), EYES_LEFT, same, frame);
54 Video (image->crop (Crop (0, 0, half, 0), true), EYES_RIGHT, same, frame);
59 _video_position = frame + 1;