* @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)
{
}
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 ()
{
- 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 ();
-}