Fix font handling for DCP subtitles.

[dcpomatic.git] / src / lib / content.h

diff --git a/src/lib/content.h b/src/lib/content.h
index 550b3cd9cf52770e7a9acb7786a86dac3829130d..d0faeb9d42883f1fcdcd8cb7774b09fec159bc6e 100644 (file)
--- a/src/lib/content.h
+++ b/src/lib/content.h
@@ -27,10 +27,11 @@
 #ifndef DCPOMATIC_CONTENT_H
 #define DCPOMATIC_CONTENT_H
 
-#include "types.h"
-#include "signaller.h"
-#include "dcpomatic_time.h"
+
 #include "change_signaller.h"
+#include "dcpomatic_time.h"
+#include "signaller.h"
+#include "types.h"
 #include "user_property.h"
 #include <libcxml/cxml.h>
 #include <boost/filesystem.hpp>
@@ -191,6 +192,10 @@ public:
 
        std::string calculate_digest () const;
 
+       virtual bool can_be_played () const {
+               return true;
+       }
+
        /* ChangeType::PENDING and ChangeType::CANCELLED may be emitted from any thread; ChangeType::DONE always from GUI thread */
        boost::signals2::signal<void (ChangeType, std::weak_ptr<Content>, int, bool)> Change;
 
@@ -202,6 +207,9 @@ public:
        std::shared_ptr<TextContent> only_text () const;
        std::shared_ptr<TextContent> text_of_original_type (TextType type) const;
 
+       /** @return true if this content has changed since it was last examined */
+       bool changed () const;
+
 protected:
 
        virtual void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty> &) const;
@@ -218,6 +226,7 @@ private:
        friend struct best_dcp_frame_rate_test_single;
        friend struct best_dcp_frame_rate_test_double;
        friend struct audio_sampling_rate_test;
+       friend struct subtitle_font_id_change_test2;
        template<class, class> friend class ChangeSignaller;
 
        void signal_change (ChangeType, int);