Remove unnecessary using statements.
[dcpomatic.git] / src / lib / hints.cc
index b4d94dbcc3d03ab4ab06de1045c94cdd2b7f153f..7537317d40b77d89b80876699cadb48230621622 100644 (file)
@@ -370,77 +370,105 @@ Hints::check_out_of_range_markers ()
 
 
 void
-Hints::thread ()
-try
+Hints::scan_content(shared_ptr<const Film> film)
 {
-       start_of_thread ("Hints");
+       auto const check_loudness_done = check_loudness();
 
-       auto film = _film.lock ();
-       if (!film) {
-               return;
-       }
+       auto content = film->playlist()->content();
+       auto iter = std::find_if(content.begin(), content.end(), [](shared_ptr<const Content> content) {
+               auto text_iter = std::find_if(content->text.begin(), content->text.end(), [](shared_ptr<const TextContent> text) {
+                       return text->use();
+               });
+               return text_iter != content->text.end();
+       });
 
-       auto content = film->content ();
+       auto const have_text = iter != content.end();
 
-       check_certificates ();
-       check_interop ();
-       check_big_font_files ();
-       check_few_audio_channels ();
-       check_upmixers ();
-       check_incorrect_container ();
-       check_unusual_container ();
-       check_high_j2k_bandwidth ();
-       check_frame_rate ();
-       check_4k_3d ();
-       check_speed_up ();
-       check_vob ();
-       check_3d_in_2d ();
-       auto const check_loudness_done = check_loudness ();
-       check_ffec_and_ffmc_in_smpte_feature ();
-       check_out_of_range_markers ();
-       check_subtitle_languages();
-       check_audio_language ();
-       check_8_or_16_audio_channels();
+       if (check_loudness_done && !have_text) {
+               /* We don't need to check loudness, and we don't have any active text to check,
+                * so a scan of the content is pointless.
+                */
+               return;
+       }
 
-       if (check_loudness_done) {
+       if (check_loudness_done && have_text) {
                emit (bind(boost::ref(Progress), _("Examining subtitles and closed captions")));
+       } else if (!check_loudness_done && !have_text) {
+               emit (bind(boost::ref(Progress), _("Examining audio")));
        } else {
                emit (bind(boost::ref(Progress), _("Examining audio, subtitles and closed captions")));
        }
 
        auto player = make_shared<Player>(film, Image::Alignment::COMPACT);
-       player->set_ignore_video ();
+       player->set_ignore_video();
        if (check_loudness_done || _disable_audio_analysis) {
                /* We don't need to analyse audio because we already loaded a suitable analysis */
-               player->set_ignore_audio ();
+               player->set_ignore_audio();
+       } else {
+               /* Send auto to the analyser to check loudness */
+               player->Audio.connect(bind(&Hints::audio, this, _1, _2));
        }
-       player->Audio.connect (bind(&Hints::audio, this, _1, _2));
-       player->Text.connect (bind(&Hints::text, this, _1, _2, _3, _4));
+       player->Text.connect(bind(&Hints::text, this, _1, _2, _3, _4));
 
        struct timeval last_pulse;
-       gettimeofday (&last_pulse, 0);
+       gettimeofday(&last_pulse, 0);
 
-       _writer->write (player->get_subtitle_fonts());
+       _writer->write(player->get_subtitle_fonts());
 
        while (!player->pass()) {
 
                struct timeval now;
-               gettimeofday (&now, 0);
+               gettimeofday(&now, 0);
                if ((seconds(now) - seconds(last_pulse)) > 1) {
                        if (_stop) {
                                return;
                        }
-                       emit (bind (boost::ref(Pulse)));
+                       emit(bind(boost::ref(Pulse)));
                        last_pulse = now;
                }
        }
 
        if (!check_loudness_done) {
-               _analyser.finish ();
+               _analyser.finish();
                _analyser.get().write(film->audio_analysis_path(film->playlist()));
-               check_loudness ();
+               check_loudness();
+       }
+}
+
+
+void
+Hints::thread ()
+try
+{
+       start_of_thread ("Hints");
+
+       auto film = _film.lock ();
+       if (!film) {
+               return;
        }
 
+       auto content = film->content ();
+
+       check_certificates ();
+       check_interop ();
+       check_big_font_files ();
+       check_few_audio_channels ();
+       check_upmixers ();
+       check_incorrect_container ();
+       check_unusual_container ();
+       check_high_j2k_bandwidth ();
+       check_frame_rate ();
+       check_4k_3d ();
+       check_speed_up ();
+       check_vob ();
+       check_3d_in_2d ();
+       check_ffec_and_ffmc_in_smpte_feature ();
+       check_out_of_range_markers ();
+       check_subtitle_languages();
+       check_audio_language ();
+       check_8_or_16_audio_channels();
+
+       scan_content(film);
 
        if (_long_subtitle && !_very_long_subtitle) {
                hint (_("At least one of your subtitle lines has more than 52 characters.  It is recommended to make each line 52 characters at most in length."));