2 Copyright (C) 2012-2013 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.
21 #include <boost/filesystem.hpp>
23 #include "imagemagick_content.h"
24 #include "imagemagick_decoder.h"
27 #include "exceptions.h"
32 using boost::shared_ptr;
35 ImageMagickDecoder::ImageMagickDecoder (shared_ptr<const Film> f, shared_ptr<const ImageMagickContent> c)
44 ImageMagickDecoder::pass ()
46 if (_video_position >= _imagemagick_content->video_length ()) {
51 video (_image, true, _video_position);
55 Magick::Image* magick_image = new Magick::Image (_imagemagick_content->file().string ());
56 _video_size = libdcp::Size (magick_image->columns(), magick_image->rows());
58 _image.reset (new SimpleImage (PIX_FMT_RGB24, _video_size.get(), false));
60 using namespace MagickCore;
62 uint8_t* p = _image->data()[0];
63 for (int y = 0; y < _video_size->height; ++y) {
64 for (int x = 0; x < _video_size->width; ++x) {
65 Magick::Color c = magick_image->pixelColor (x, y);
66 *p++ = c.redQuantum() * 255 / QuantumRange;
67 *p++ = c.greenQuantum() * 255 / QuantumRange;
68 *p++ = c.blueQuantum() * 255 / QuantumRange;
74 video (_image, false, _video_position);
78 ImageMagickDecoder::seek (VideoContent::Frame frame, bool)
80 _video_position = frame;
84 ImageMagickDecoder::done () const
86 return _video_position >= _imagemagick_content->video_length ();