Tidy up now we have a x-thread signaller.

[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 6927715bdfdba93b45b8d9b017be0978dec3de98..8fadce2f66a93404b17aaafef44c31a36a99fe93 100644 (file)
--- a/src/lib/examine_content_job.cc
+++ b/src/lib/examine_content_job.cc
@@ -21,17 +21,21 @@
  *  @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 "film_state.h"
 #include "decoder_factory.h"
 #include "decoder.h"
+#include "imagemagick_encoder.h"
+#include "transcoder.h"
+#include "log.h"
+#include "film.h"
 
 using namespace std;
 using namespace boost;
 
-ExamineContentJob::ExamineContentJob (shared_ptr<const FilmState> fs, Log* l)
-       : Job (fs, shared_ptr<Options> (), l)
+ExamineContentJob::ExamineContentJob (shared_ptr<Film> f, shared_ptr<Job> req)
+       : Job (f, req)
 {
 
 }
@@ -43,21 +47,81 @@ ExamineContentJob::~ExamineContentJob ()
 string
 ExamineContentJob::name () const
 {
-       stringstream s;
-       s << "Examine content of " << _fs->name;
-       return s.str ();
+       if (_film->name().empty ()) {
+               return "Examine content";
+       }
+       
+       return String::compose ("Examine content of %1", _film->name());
 }
 
 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;
 
-       _decoder = decoder_factory (_fs, o, this, _log, true, true);
+       descend (0.5);
+
+       _decoder = decoder_factory (_film, o, this, true, true);
        _decoder->go ();
-       
+
+       _film->set_length (_decoder->last_video_frame ());
+
+       _film->log()->log (String::compose ("Video length is %1 frames", _decoder->last_video_frame()));
+
+       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;
+               o->decode_video_frequency = 128;
+               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 (filesystem::directory_iterator i = filesystem::directory_iterator (tdir); i != filesystem::directory_iterator(); ++i) {
+
+               /* Aah, the sweet smell of progress */
+#if BOOST_FILESYSTEM_VERSION == 3              
+               string const l = 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 ();
        set_progress (1);
        set_state (FINISHED_OK);
 }