* @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"
+#include "video_decoder.h"
-using namespace std;
-using namespace boost;
+#include "i18n.h"
-ExamineContentJob::ExamineContentJob (shared_ptr<const FilmState> fs, Log* l, shared_ptr<Job> req)
- : Job (fs, l, req)
+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
{
- if (_fs->name().empty ()) {
- return "Examine content";
+ if (_film->name().empty ()) {
+ return _("Examine content");
}
- return String::compose ("Examine content of %1", _fs->name());
+ return String::compose (_("Examine content of %1"), _film->name());
}
void
ExamineContentJob::run ()
{
- shared_ptr<FilmState> fs = _fs->state_copy ();
-
- /* 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 (fs, o, this, _log, true, true);
- _decoder->go ();
-
- fs->set_length (_decoder->last_video_frame ());
-
- _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 (fs->dir ("thumbs"), ".png", ""));
- o->out_size = fs->size ();
- o->apply_crop = false;
- o->decode_audio = false;
- o->decode_video_frequency = 128;
- o->decode_subtitles = true;
- shared_ptr<ImageMagickEncoder> e (new ImageMagickEncoder (fs, o, _log));
- Transcoder w (fs, o, this, _log, 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 ();
-}