Extract common code out into kdm_for_screen()

[dcpomatic.git] / src / lib / examine_content_job.cc

diff --git a/src/lib/examine_content_job.cc b/src/lib/examine_content_job.cc
index 6d1233a8cdd70133e2856d1de0d22326d0bec843..3be38863d46e4204bf364da3989ee4b1d7e0fe19 100644 (file)
--- a/src/lib/examine_content_job.cc
+++ b/src/lib/examine_content_job.cc
@@ -1,132 +1,64 @@
 /*
-    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2015 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/>.
 
 */
 
-/** @file  src/examine_content_job.cc
- *  @brief A class to run through content at high speed to find its length.
- */
-
 #include <boost/filesystem.hpp>
 #include "examine_content_job.h"
-#include "options.h"
-#include "decoder_factory.h"
-#include "decoder.h"
-#include "imagemagick_encoder.h"
-#include "transcoder.h"
 #include "log.h"
+#include "content.h"
 #include "film.h"
+#include <iostream>
+
+#include "i18n.h"
 
 using std::string;
-using std::vector;
+using std::cout;
 using boost::shared_ptr;
 
-ExamineContentJob::ExamineContentJob (shared_ptr<Film> f, shared_ptr<Job> req)
-       : Job (f, req)
+ExamineContentJob::ExamineContentJob (shared_ptr<const Film> film, shared_ptr<Content> c)
+       : Job (film)
+       , _content (c)
 {
 
 }
 
 ExamineContentJob::~ExamineContentJob ()
 {
+       stop_thread ();
 }
 
 string
 ExamineContentJob::name () const
 {
-       if (_film->name().empty ()) {
-               return "Examine content";
-       }
-       
-       return String::compose ("Examine content of %1", _film->name());
+       return _("Examining content");
+}
+
+string
+ExamineContentJob::json_name () const
+{
+       return N_("examine_content");
 }
 
 void
 ExamineContentJob::run ()
 {
-       /* Decode the content to get an accurate length */
-       
-       shared_ptr<Options> o (new Options ("", "", ""));
-       o->out_size = Size (512, 512);
-       o->apply_crop = false;
-
-       descend (0.5);
-
-       _decoder = decoder_factory (_film, o, this, true, true);
-       _decoder->go ();
-
-       _film->set_length (_decoder->video_frame_index());
-
-       _film->log()->log (String::compose ("Video length is %1 frames", _decoder->video_frame_index()));
-
-       ascend ();
-
-       /* Now make thumbnails for it */
-
-       descend (0.5);
-
-       try {
-               o.reset (new Options (_film->dir ("thumbs"), ".png", ""));
-               o->out_size = _film->size ();
-               o->apply_crop = false;
-               o->decode_audio = false;
-               if (_film->length() > 0) {
-                       o->decode_video_skip = _film->length().get() / 128;
-               } else {
-                       o->decode_video_skip = 0;
-               }
-               o->decode_subtitles = true;
-               shared_ptr<ImageMagickEncoder> e (new ImageMagickEncoder (_film, o));
-               Transcoder w (_film, o, this, e);
-               w.go ();
-               
-       } catch (std::exception& e) {
-
-               ascend ();
-               set_progress (1);
-               set_error (e.what ());
-               set_state (FINISHED_ERROR);
-               return;
-               
-       }
-
-       string const tdir = _film->dir ("thumbs");
-       vector<int> thumbs;
-
-       for (boost::filesystem::directory_iterator i = boost::filesystem::directory_iterator (tdir); i != boost::filesystem::directory_iterator(); ++i) {
-
-               /* Aah, the sweet smell of progress */
-#if BOOST_FILESYSTEM_VERSION == 3              
-               string const l = boost::filesystem::path(*i).leaf().generic_string();
-#else
-               string const l = i->leaf ();
-#endif
-               
-               size_t const d = l.find (".png");
-               size_t const t = l.find (".tmp");
-               if (d != string::npos && t == string::npos) {
-                       thumbs.push_back (atoi (l.substr (0, d).c_str()));
-               }
-       }
-
-       sort (thumbs.begin(), thumbs.end());
-       _film->set_thumbs (thumbs);     
-
-       ascend ();
+       _content->examine (_film, shared_from_this());
        set_progress (1);
        set_state (FINISHED_OK);
 }