X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fexamine_content_job.cc;h=86e0a107e1eec1d6351ded90b132e1a24a3a16e3;hp=93333605b8e6a6983fc63fd668f420bd426fae35;hb=a5be11a965c2c38442e4e069874e7e21b5b43a5c;hpb=92a16acdd9a91977e154d09120160fa427adf3f7 diff --git a/src/lib/examine_content_job.cc b/src/lib/examine_content_job.cc index 93333605b..86e0a107e 100644 --- a/src/lib/examine_content_job.cc +++ b/src/lib/examine_content_job.cc @@ -1,171 +1,59 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2015 Carl Hetherington - 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 . */ -/** @file src/examine_content_job.cc - * @brief A class to run through content at high speed to find its length. - */ - #include #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 + +#include "i18n.h" using std::string; -using std::vector; -using std::pair; +using std::cout; using boost::shared_ptr; -ExamineContentJob::ExamineContentJob (shared_ptr f, shared_ptr req) - : Job (f, req) +ExamineContentJob::ExamineContentJob (shared_ptr film, shared_ptr c) + : Job (film) + , _content (c) { } -ExamineContentJob::~ExamineContentJob () +string +ExamineContentJob::name () const { + return _("Examining content"); } string -ExamineContentJob::name () const +ExamineContentJob::json_name () const { - if (_film->name().empty ()) { - return "Examine content"; - } - - return String::compose ("Examine content of %1", _film->name()); + 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 o (new Options ("", "", "")); - o->out_size = Size (512, 512); - o->apply_crop = false; - o->decode_audio = false; - - descend (0.5); - - pair, shared_ptr > 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 o (new Options ("", "", "")); - o->out_size = Size (1024, 1024); - pair, shared_ptr > 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 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 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 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); }