Fix font_id_map errors when importing DCP subtitles that have no

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

diff --git a/src/lib/dcp_subtitle_content.cc b/src/lib/dcp_subtitle_content.cc
index 3f9772d597de3b6464fe6b888a3f0be821d503d6..b111bdb2a242b9aee2ba7ecb4730a61418bd4368 100644 (file)
--- a/src/lib/dcp_subtitle_content.cc
+++ b/src/lib/dcp_subtitle_content.cc
@@ -1,75 +1,105 @@
 /*
-    Copyright (C) 2014-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 #include "font.h"
 #include "dcp_subtitle_content.h"
-#include "raw_convert.h"
-#include <dcp/interop_subtitle_content.h>
-#include <dcp/smpte_subtitle_content.h>
+#include "film.h"
+#include "text_content.h"
+#include <dcp/raw_convert.h>
+#include <dcp/interop_subtitle_asset.h>
+#include <dcp/smpte_subtitle_asset.h>
 #include <dcp/interop_load_font_node.h>
-#include <boost/foreach.hpp>
+#include <libxml++/libxml++.h>
 
 #include "i18n.h"
 
-using std::string;
+using std::dynamic_pointer_cast;
 using std::list;
-using boost::shared_ptr;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using dcp::raw_convert;
+using namespace dcpomatic;
 
-DCPSubtitleContent::DCPSubtitleContent (shared_ptr<const Film> film, boost::filesystem::path path)
-       : Content (film, path)
-       , SubtitleContent (film, path)
+DCPSubtitleContent::DCPSubtitleContent (boost::filesystem::path path)
+       : Content (path)
 {
-       
+       text.push_back (make_shared<TextContent>(this, TextType::OPEN_SUBTITLE, TextType::OPEN_SUBTITLE));
 }
 
-DCPSubtitleContent::DCPSubtitleContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version)
-       : Content (film, node)
-       , SubtitleContent (film, node, version)
-       , _length (node->number_child<DCPTime::Type> ("Length"))
+DCPSubtitleContent::DCPSubtitleContent (cxml::ConstNodePtr node, int version)
+       : Content (node)
+       , _length (node->number_child<ContentTime::Type> ("Length"))
 {
-
+       list<string> notes;
+       text = TextContent::from_xml (this, node, version, notes);
 }
 
 void
-DCPSubtitleContent::examine (shared_ptr<Job> job)
+DCPSubtitleContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
 {
-       Content::examine (job);
+       Content::examine (film, job);
+
+       auto sc = load (path(0));
+
+       auto iop = dynamic_pointer_cast<dcp::InteropSubtitleAsset>(sc);
+       auto smpte = dynamic_pointer_cast<dcp::SMPTESubtitleAsset>(sc);
+       if (smpte) {
+               set_video_frame_rate (smpte->edit_rate().numerator);
+       }
 
-       shared_ptr<dcp::SubtitleContent> sc = load (path (0));
-       
        boost::mutex::scoped_lock lm (_mutex);
-       
-       _subtitle_language = sc->language ();
-       _length = DCPTime::from_seconds (sc->latest_subtitle_out().to_seconds ());
 
-       BOOST_FOREACH (shared_ptr<dcp::LoadFontNode> i, sc->load_font_nodes ()) {
-               _fonts.push_back (shared_ptr<Font> (new Font (i->id)));
+       /* Default to turning these subtitles on */
+       only_text()->set_use (true);
+
+       _length = ContentTime::from_seconds (sc->latest_subtitle_out().as_seconds());
+
+       sc->fix_empty_font_ids ();
+
+       auto font_data = sc->font_data();
+       for (auto node: sc->load_font_nodes()) {
+               auto data = font_data.find(node->id);
+               if (data != font_data.end()) {
+                       only_text()->add_font(make_shared<Font>(node->id, data->second));
+               } else {
+                       only_text()->add_font(make_shared<Font>(node->id));
+               }
        }
+
+       if (only_text()->fonts().empty()) {
+               only_text()->add_font(make_shared<Font>(""));
+       }
+}
+
+DCPTime
+DCPSubtitleContent::full_length (shared_ptr<const Film> film) const
+{
+       FrameRateChange const frc (film, shared_from_this());
+       return DCPTime (_length, frc);
 }
 
 DCPTime
-DCPSubtitleContent::full_length () const
+DCPSubtitleContent::approximate_length () const
 {
-       /* XXX: this assumes that the timing of the subtitle file is appropriate
-          for the DCP's frame rate.
-       */
-       return _length;
+       return DCPTime (_length, FrameRateChange());
 }
 
 string
@@ -83,12 +113,16 @@ DCPSubtitleContent::technical_summary () const
 {
        return Content::technical_summary() + " - " + _("DCP XML subtitles");
 }
-      
+
 void
-DCPSubtitleContent::as_xml (xmlpp::Node* node) const
+DCPSubtitleContent::as_xml (xmlpp::Node* node, bool with_paths) const
 {
        node->add_child("Type")->add_child_text ("DCPSubtitle");
-       Content::as_xml (node);
-       SubtitleContent::as_xml (node);
+       Content::as_xml (node, with_paths);
+
+       if (only_text()) {
+               only_text()->as_xml (node);
+       }
+
        node->add_child("Length")->add_child_text (raw_convert<string> (_length.get ()));
 }