Various markup and tweaks.
[dcpomatic.git] / src / lib / examine_content_job.cc
index d77ede2f91abf1d1c0d0d9348ed19247429a3272..4b30c943136a522d3b2197794ca38ca5eb2b187d 100644 (file)
  *  @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 "transcoder.h"
+#include "log.h"
+#include "film.h"
+#include "video_decoder.h"
 
-using namespace std;
-using namespace boost;
+#include "i18n.h"
 
-ExamineContentJob::ExamineContentJob (shared_ptr<const FilmState> fs, Log* l)
-       : Job (fs, shared_ptr<Options> (), l)
+using std::string;
+using std::vector;
+using std::pair;
+using boost::shared_ptr;
+
+ExamineContentJob::ExamineContentJob (shared_ptr<Film> f)
+       : Job (f)
 {
 
 }
@@ -43,25 +51,60 @@ ExamineContentJob::~ExamineContentJob ()
 string
 ExamineContentJob::name () const
 {
-       return String::compose ("Examine content of %1", _fs->name);
+       if (_film->name().empty ()) {
+               return _("Examine content");
+       }
+       
+       return String::compose (_("Examine content of %1"), _film->name());
 }
 
 void
 ExamineContentJob::run ()
 {
-       shared_ptr<Options> o (new Options ("", "", ""));
-       o->out_size = Size (512, 512);
-       o->apply_crop = false;
+       descend (0.5);
+       _film->set_content_digest (md5_digest (_film->content_path ()));
+       ascend ();
+
+       descend (0.5);
+
+       /* 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 ();
+               _film->set_crop (Crop ());
+               
+               DecodeOptions o;
+               o.decode_audio = false;
+               
+               Decoders decoders = decoder_factory (_film, o);
+               
+               set_progress_unknown ();
+               while (!decoders.video->pass()) {
+                       /* keep going */
+               }
+               
+               _film->set_length (decoders.video->video_frame());
+               
+               _film->log()->log (String::compose (N_("Video length examined as %1 frames"), _film->length().get()));
+               
+       } else {
 
-       _decoder = decoder_factory (_fs, o, this, _log, true, true);
-       _decoder->go ();
+               /* Get a quick decoder to get the content's length from its header */
+               
+               Decoders d = decoder_factory (_film, DecodeOptions());
+               _film->set_length (d.video->length());
        
+               _film->log()->log (String::compose (N_("Video length obtained from header as %1 frames"), _film->length().get()));
+       }
+
+       ascend ();
        set_progress (1);
        set_state (FINISHED_OK);
 }
-
-int
-ExamineContentJob::last_video_frame () const
-{
-       return _decoder->last_video_frame ();
-}