Correctly spot that a DCP with unencrypted picture but encrypted sound/subtitle needs...

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

diff --git a/src/lib/dcp_content.cc b/src/lib/dcp_content.cc
index 8b823c61966afe23d4bfdf8dfb78ccad2888c6e1..96e9f17a259f44e11b3b81859d0422b33308e6c0 100644 (file)
--- a/src/lib/dcp_content.cc
+++ b/src/lib/dcp_content.cc
@@ -54,10 +54,11 @@ using boost::function;
 using boost::dynamic_pointer_cast;
 using dcp::raw_convert;
 
-int const DCPContentProperty::CAN_BE_PLAYED      = 600;
-int const DCPContentProperty::REFERENCE_VIDEO    = 601;
-int const DCPContentProperty::REFERENCE_AUDIO    = 602;
-int const DCPContentProperty::REFERENCE_SUBTITLE = 603;
+int const DCPContentProperty::NEEDS_ASSETS       = 600;
+int const DCPContentProperty::NEEDS_KDM          = 601;
+int const DCPContentProperty::REFERENCE_VIDEO    = 602;
+int const DCPContentProperty::REFERENCE_AUDIO    = 603;
+int const DCPContentProperty::REFERENCE_SUBTITLE = 604;
 
 DCPContent::DCPContent (shared_ptr<const Film> film, boost::filesystem::path p)
        : Content (film)
@@ -135,7 +136,8 @@ DCPContent::read_directory (boost::filesystem::path p)
 void
 DCPContent::examine (shared_ptr<Job> job)
 {
-       bool const could_be_played = can_be_played ();
+       bool const needed_assets = needs_assets ();
+       bool const needed_kdm = needs_kdm ();
 
        job->set_progress_unknown ();
        Content::examine (job);
@@ -170,8 +172,12 @@ DCPContent::examine (shared_ptr<Job> job)
                _cpl = examiner->cpl ();
        }
 
-       if (could_be_played != can_be_played ()) {
-               signal_changed (DCPContentProperty::CAN_BE_PLAYED);
+       if (needed_assets != needs_assets ()) {
+               signal_changed (DCPContentProperty::NEEDS_ASSETS);
+       }
+
+       if (needed_kdm != needs_kdm ()) {
+               signal_changed (DCPContentProperty::NEEDS_KDM);
        }
 
        video->set_frame_type (_three_d ? VIDEO_FRAME_TYPE_3D : VIDEO_FRAME_TYPE_2D);
@@ -362,11 +368,23 @@ DCPContent::reels () const
                return p;
        }
 
-       DCPTime from = position ();
-       BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels()) {
-               DCPTime const to = from + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
-               p.push_back (DCPTimePeriod (from, to));
-               from = to;
+       /* This content's frame rate must be the same as the output DCP rate, so we can
+          convert `directly' from ContentTime to DCPTime.
+       */
+
+       /* The starting point of this content on the timeline */
+       DCPTime pos = position() - DCPTime (trim_start().get());
+
+       BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder->reels ()) {
+               /* This reel runs from `pos' to `to' */
+               DCPTime const to = pos + DCPTime::from_frames (i->main_picture()->duration(), film()->video_frame_rate());
+               if (to > position()) {
+                       p.push_back (DCPTimePeriod (max(position(), pos), min(end(), to)));
+                       if (to > end()) {
+                               break;
+                       }
+               }
+               pos = to;
        }
 
        return p;
@@ -396,7 +414,14 @@ DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Co
                }
        }
 
+       /* And the same frame rate */
+       if (!video_frame_rate() || (lrint(video_frame_rate().get()) != film()->video_frame_rate())) {
+               why_not.push_back (_("The film has a different frame rate to this DCP."));
+               return false;
+       }
+
        list<DCPTimePeriod> const fr = film()->reels ();
+
        /* fr must contain reels().  It can also contain other reels, but it must at
           least contain reels().
        */