Add _last_written to Writer, containing the last written frame and eyes

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

diff --git a/src/lib/writer.h b/src/lib/writer.h
index d304133dcb98f2c3d380e191fda78d0d0eef61b1..d09b062649f94ea55f74ad563847f54118330772 100644 (file)
--- a/src/lib/writer.h
+++ b/src/lib/writer.h
@@ -151,6 +151,30 @@ private:
        int _maximum_frames_in_memory;
        unsigned int _maximum_queue_size;
 
+       class LastWritten
+       {
+       public:
+               LastWritten()
+                       : _frame(-1)
+                       , _eyes(EYES_RIGHT)
+               {}
+
+               /** @return true if qi is the next item after this one */
+               bool next (QueueItem qi) const;
+               void update (QueueItem qi);
+
+               int frame () const {
+                       return _frame;
+               }
+
+       private:
+               int _frame;
+               Eyes _eyes;
+       };
+
+       /** The last frame written to each reel */
+       std::vector<LastWritten> _last_written;
+
        /** number of FULL written frames */
        int _full_written;
        /** number of FAKE written frames */