Fix various problems caused by non-integer-frame start trims,

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

diff --git a/src/lib/content_factory.cc b/src/lib/content_factory.cc
index 8aa432b0929b34c656a6c2113755cc14b1becdba..51dc4e1b333d57e4c4308a22ef94ad38248091ec 100644 (file)
--- a/src/lib/content_factory.cc
+++ b/src/lib/content_factory.cc
@@ -119,6 +119,26 @@ content_factory (shared_ptr<const Film> film, cxml::NodePtr node, int version, l
                notes.push_back (note);
        }
 
+       /* ...or have a start trim which is an integer number of frames */
+       ContentTime const old_trim = content->trim_start();
+       content->set_trim_start(old_trim);
+       if (old_trim != content->trim_start()) {
+               string note = _("Your project contains video content whose trim was not aligned to a frame boundary.");
+               note += "  ";
+               if (old_trim < content->trim_start()) {
+                       note += String::compose(
+                               _("The file %1 has been trimmed by %2 milliseconds more."),
+                               content->path_summary(), ContentTime(content->trim_start() - old_trim).seconds() * 1000
+                               );
+               } else {
+                       note += String::compose(
+                               _("The file %1 has been trimmed by %2 milliseconds less."),
+                               content->path_summary(), ContentTime(old_trim - content->trim_start()).seconds() * 1000
+                               );
+               }
+               notes.push_back (note);
+       }
+
        return content;
 }