Stop empty Font IDs in imported DCP subtitles making it into the

output DCP (#1689).

diff --git a/src/lib/dcp_subtitle_content.cc b/src/lib/dcp_subtitle_content.cc
index 81e26cf7cb6909c482d5f1c4fba6c24c76ae6be5..f8d12d4e4a4c1130c932846aca7bbb40d0f6a591 100644 (file)
--- a/src/lib/dcp_subtitle_content.cc
+++ b/src/lib/dcp_subtitle_content.cc
@@ -77,6 +77,8 @@ DCPSubtitleContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
 
        _length = ContentTime::from_seconds (sc->latest_subtitle_out().as_seconds ());
 
+       sc->fix_empty_font_ids ();
+
        BOOST_FOREACH (shared_ptr<dcp::LoadFontNode> i, sc->load_font_nodes ()) {
                only_text()->add_font (shared_ptr<Font> (new Font (i->id)));
        }

diff --git a/src/lib/dcp_subtitle_decoder.cc b/src/lib/dcp_subtitle_decoder.cc
index 096580a6c0d31bcbe6355d47d196a0b7ac489979..f34c495c0eb03eaf3621ae1b533e70b958b6bc6e 100644 (file)
--- a/src/lib/dcp_subtitle_decoder.cc
+++ b/src/lib/dcp_subtitle_decoder.cc
@@ -34,6 +34,7 @@ DCPSubtitleDecoder::DCPSubtitleDecoder (shared_ptr<const Film> film, shared_ptr<
        : Decoder (film)
 {
        shared_ptr<dcp::SubtitleAsset> c (load (content->path (0)));
+       c->fix_empty_font_ids ();
        _subtitles = c->subtitles ();
        _next = _subtitles.begin ();
 

diff --git a/test/data b/test/data
index 50e6dbff6088ce3c5c4f3fba7d80dff331c1373e..22decb7dc169bbd838c60e3bda1e93f4251250bd 160000 (submodule)
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit 50e6dbff6088ce3c5c4f3fba7d80dff331c1373e
+Subproject commit 22decb7dc169bbd838c60e3bda1e93f4251250bd

diff --git a/test/dcp_subtitle_test.cc b/test/dcp_subtitle_test.cc
index 4b3d8fc971076b80b30c0b553813b6af893794c3..64800c100e00df70ca427ae29e49eb24be172157 100644 (file)
--- a/test/dcp_subtitle_test.cc
+++ b/test/dcp_subtitle_test.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2014-2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -182,3 +182,39 @@ BOOST_AUTO_TEST_CASE (dcp_subtitle_test4)
        doc.read_file (subtitle_file (film));
        BOOST_REQUIRE_EQUAL (doc.node_children("LoadFont").size(), 1);
 }
+
+static
+void
+check_font_tags (list<cxml::NodePtr> nodes)
+{
+       BOOST_FOREACH (cxml::NodePtr i, nodes) {
+               if (i->name() == "Font") {
+                       BOOST_CHECK (!i->optional_string_attribute("Id") || i->string_attribute("Id") != "");
+               }
+               check_font_tags (i->node_children());
+       }
+}
+
+/** Check that imported <LoadFont> tags with empty IDs (or corresponding Font tags with empty IDs)
+ *  are not passed through into the DCP.
+ */
+BOOST_AUTO_TEST_CASE (dcp_subtitle_test5)
+{
+       shared_ptr<Film> film = new_test_film2 ("dcp_subtitle_test5");
+       film->set_interop (true);
+
+       shared_ptr<DCPSubtitleContent> content (new DCPSubtitleContent("test/data/dcp_sub6.xml"));
+       film->examine_and_add_content (content);
+       BOOST_REQUIRE (!wait_for_jobs());
+
+       film->make_dcp ();
+       BOOST_REQUIRE (!wait_for_jobs());
+       film->write_metadata ();
+
+       cxml::Document doc ("DCSubtitle");
+       doc.read_file (subtitle_file(film));
+       BOOST_REQUIRE_EQUAL (doc.node_children("LoadFont").size(), 1);
+       BOOST_CHECK (doc.node_children("LoadFont").front()->string_attribute("Id") != "");
+
+       check_font_tags (doc.node_children());
+}