/*
- 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 "video_decoder.h"
+#include <iostream>
+
+#include "i18n.h"
using std::string;
-using std::vector;
-using std::pair;
+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 ()
{
- float progress_remaining = 1;
-
- /* Set the film's length to either
- a) a length judged by running through the content or
- b) the length from a decoder's header.
- */
-
- if (!_film->trust_content_header()) {
- /* Decode the content to get an accurate length */
-
- /* We don't want to use any existing length here, as progress
- will be messed up.
- */
- _film->unset_length ();
-
- shared_ptr<Options> o (new Options ("", "", ""));
- o->out_size = Size (512, 512);
- o->apply_crop = false;
- o->decode_audio = false;
-
- descend (0.5);
-
- pair<shared_ptr<VideoDecoder>, shared_ptr<AudioDecoder> > decoders = decoder_factory (_film, o, this);
-
- set_progress_unknown ();
- while (!decoders.first->pass()) {
- /* keep going */
- }
-
- _film->set_length (decoders.first->video_frame());
-
- _film->log()->log (String::compose ("Video length examined as %1 frames", _film->length().get()));
-
- ascend ();
-
- progress_remaining -= 0.5;
-
- } else {
-
- /* Get a quick decoder to get the content's length from its header.
- It would have been nice to just use the thumbnail transcoder's decoder,
- but that's a bit fiddly, and this isn't too expensive.
- */
-
- shared_ptr<Options> o (new Options ("", "", ""));
- o->out_size = Size (1024, 1024);
- pair<shared_ptr<VideoDecoder>, shared_ptr<AudioDecoder> > d = decoder_factory (_film, o, 0);
- _film->set_length (d.first->length());
-
- _film->log()->log (String::compose ("Video length obtained from header as %1 frames", _film->length().get()));
- }
-
- /* Now make thumbnails for it */
-
- descend (progress_remaining);
-
- try {
- shared_ptr<Options> o (new Options (_film->dir ("thumbs"), ".png", ""));
- o->out_size = _film->size ();
- o->apply_crop = false;
- o->decode_audio = false;
- o->decode_video_skip = _film->length().get() / 128;
- o->decode_subtitles = true;
- shared_ptr<ImageMagickEncoder> e (new ImageMagickEncoder (_film, o));
- Transcoder w (_film, o, this, e);
- w.go ();
-
- /* Now set the film's length from the transcoder's decoder, since we
- went to all the trouble of going through the content.
- */
-
- _film->set_length (w.video_decoder()->video_frame());
-
- } catch (std::exception& e) {
-
- ascend ();
- set_progress (1);
- set_error (e.what ());
- set_state (FINISHED_ERROR);
- return;
-
- }
-
- string const tdir = _film->dir ("thumbs");
- vector<SourceFrame> 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);
}
projects / dcpomatic.git / blobdiff