Various markup and tweaks.

[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 0187e17767f45bbfa008d27cc2778d1943ac209f..4b30c943136a522d3b2197794ca38ca5eb2b187d 100644 (file)
--- a/src/lib/examine_content_job.cc
+++ b/src/lib/examine_content_job.cc
@@ -21,20 +21,25 @@
  *  @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 "film.h"
+#include "video_decoder.h"
 
-using namespace std;
-using namespace boost;
+#include "i18n.h"
 
-ExamineContentJob::ExamineContentJob (shared_ptr<Film> f, shared_ptr<Job> req)
-       : Job (f, req)
+using std::string;
+using std::vector;
+using std::pair;
+using boost::shared_ptr;
+
+ExamineContentJob::ExamineContentJob (shared_ptr<Film> f)
+       : Job (f)
 {
 
 }
@@ -47,64 +52,59 @@ string
 ExamineContentJob::name () const
 {
        if (_film->name().empty ()) {
-               return "Examine content";
+               return _("Examine content");
        }
        
-       return String::compose ("Examine content of %1", _film->name());
+       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;
-
        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()));
-
+       _film->set_content_digest (md5_digest (_film->content_path ()));
        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 ();
+       /* 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 ());
                
-       } catch (std::exception& e) {
+               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 {
 
-               ascend ();
-               set_progress (1);
-               set_error (e.what ());
-               set_state (FINISHED_ERROR);
-               return;
+               /* 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 ();
-}