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/*
Copyright (C) 2013 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.
*/
#include <iostream>
#include <boost/lexical_cast.hpp>
#include <Magick++.h>
#include "moving_image_content.h"
#include "moving_image_examiner.h"
#include "film.h"
#include "job.h"
#include "exceptions.h"
#include "i18n.h"
using std::cout;
using std::list;
using std::sort;
using boost::shared_ptr;
using boost::lexical_cast;
MovingImageExaminer::MovingImageExaminer (shared_ptr<const Film> film, shared_ptr<const MovingImageContent> content, shared_ptr<Job> job)
: MovingImage (content)
, _film (film)
, _video_length (0)
{
list<unsigned int> frames;
unsigned int files = 0;
for (boost::filesystem::directory_iterator i(content->path()); i != boost::filesystem::directory_iterator(); ++i) {
if (boost::filesystem::is_regular_file (i->path ())) {
++files;
}
}
int j = 0;
for (boost::filesystem::directory_iterator i(content->path()); i != boost::filesystem::directory_iterator(); ++i) {
if (!boost::filesystem::is_regular_file (i->path ())) {
continue;
}
if (valid_image_file (i->path ())) {
int n = lexical_cast<int> (i->path().stem().string());
frames.push_back (n);
_files.push_back (i->path().filename ());
if (!_video_size) {
using namespace MagickCore;
Magick::Image* image = new Magick::Image (i->path().string());
_video_size = libdcp::Size (image->columns(), image->rows());
delete image;
}
}
job->set_progress (float (j) / files);
++j;
}
frames.sort ();
sort (_files.begin(), _files.end ());
if (frames.size() < 2) {
throw StringError (String::compose (_("only %1 file(s) found in moving image directory"), frames.size ()));
}
if (frames.front() != 0 && frames.front() != 1) {
throw StringError (String::compose (_("first frame in moving image directory is number %1"), frames.front ()));
}
if (frames.back() != frames.size() && frames.back() != (frames.size() - 1)) {
throw StringError (String::compose (_("there are %1 images in the directory but the last one is number %2"), frames.size(), frames.back ()));
}
_video_length = frames.size ();
}
libdcp::Size
MovingImageExaminer::video_size () const
{
return _video_size.get ();
}
int
MovingImageExaminer::video_length () const
{
cout << "ex video length is " << _video_length << "\n";
return _video_length;
}
float
MovingImageExaminer::video_frame_rate () const
{
return 24;
}
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