Make separate reels for parts of the timeline with no video when

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

diff --git a/src/lib/film.cc b/src/lib/film.cc
index d19dcc73c3d5b8377e2258eeffeb93c361cf7918..39dfaf5c0b073b66e4df131a3e4981f30f9d6395 100644 (file)
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -1606,29 +1606,29 @@ Film::reels () const
                break;
        case REELTYPE_BY_VIDEO_CONTENT:
        {
-               DCPTime last_split;
-               shared_ptr<Content> last_video;
-               BOOST_FOREACH (shared_ptr<Content> c, content ()) {
+               /* Collect all reel boundaries */
+               list<DCPTime> split_points;
+               split_points.push_back (DCPTime());
+               split_points.push_back (len);
+               BOOST_FOREACH (shared_ptr<Content> c, content()) {
                        if (c->video) {
                                BOOST_FOREACH (DCPTime t, c->reel_split_points(shared_from_this())) {
-                                       if (last_split != t) {
-                                               p.push_back (DCPTimePeriod(last_split, t));
-                                               last_split = t;
-                                       }
+                                       split_points.push_back (t);
                                }
-                               last_video = c;
+                               split_points.push_back (c->end(shared_from_this()));
                        }
                }
 
-               DCPTime video_end = last_video ? last_video->end(shared_from_this()) : DCPTime(0);
-               if (last_split != video_end) {
-                       /* Definitely go from the last split to the end of the video content */
-                       p.push_back (DCPTimePeriod(last_split, video_end));
-               }
+               split_points.sort ();
+               split_points.unique ();
 
-               if (video_end < len) {
-                       /* And maybe go after that as well if there is any non-video hanging over the end */
-                       p.push_back (DCPTimePeriod (video_end, len));
+               /* Make them into periods */
+               optional<DCPTime> last;
+               BOOST_FOREACH (DCPTime t, split_points) {
+                       if (last) {
+                               p.push_back (DCPTimePeriod(*last, t));
+                       }
+                       last = t;
                }
                break;
        }