No-op: remove all trailing whitespace.

[dcpomatic.git] / src / lib / analyse_audio_job.cc

diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc
index 31b9dccae953e4ced010feeab571e5a12fadd3a6..8f9b1501067ee5bb7404317270df645daa64ff12 100644 (file)
--- a/src/lib/analyse_audio_job.cc
+++ b/src/lib/analyse_audio_job.cc
@@ -23,6 +23,7 @@
 #include "compose.hpp"
 #include "film.h"
 #include "player.h"
+#include <boost/foreach.hpp>
 
 #include "i18n.h"
 
@@ -31,12 +32,12 @@ using std::max;
 using std::min;
 using std::cout;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 
 int const AnalyseAudioJob::_num_points = 1024;
 
-AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> f, shared_ptr<const Playlist> p)
-       : Job (f)
-       , _playlist (p)
+AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> film)
+       : Job (film)
        , _done (0)
        , _samples_per_point (1)
        , _overall_peak (0)
@@ -60,25 +61,34 @@ AnalyseAudioJob::json_name () const
 void
 AnalyseAudioJob::run ()
 {
-       shared_ptr<Player> player (new Player (_film, _playlist));
+       shared_ptr<Player> player (new Player (_film));
        player->set_ignore_video ();
-       
+
        int64_t const len = _film->length().frames (_film->audio_frame_rate());
        _samples_per_point = max (int64_t (1), len / _num_points);
 
        _current.resize (_film->audio_channels ());
        _analysis.reset (new AudioAnalysis (_film->audio_channels ()));
 
-       _done = 0;
-       DCPTime const block = DCPTime::from_seconds (1.0 / 8);
-       for (DCPTime t; t < _film->length(); t += block) {
-               analyse (player->get_audio (t, block, false));
-               set_progress (t.seconds() / _film->length().seconds());
+       bool has_any_audio = false;
+       BOOST_FOREACH (shared_ptr<Content> c, _film->content ()) {
+               if (dynamic_pointer_cast<AudioContent> (c)) {
+                       has_any_audio = true;
+               }
+       }
+
+       if (has_any_audio) {
+               _done = 0;
+               DCPTime const block = DCPTime::from_seconds (1.0 / 8);
+               for (DCPTime t; t < _film->length(); t += block) {
+                       analyse (player->get_audio (t, block, false));
+                       set_progress (t.seconds() / _film->length().seconds());
+               }
        }
 
        _analysis->set_peak (_overall_peak, DCPTime::from_frames (_overall_peak_frame, _film->audio_frame_rate ()));
-       _analysis->write (_film->audio_analysis_path (_playlist));
-       
+       _analysis->write (_film->audio_analysis_path ());
+
        set_progress (1);
        set_state (FINISHED_OK);
 }