Add a possible pure virtual method.

diff --git a/src/lib/decoder_part.h b/src/lib/decoder_part.h
index 1d0473fa5c87eeb538768432f6675a6cbc87a73b..0b8b6a43bfdedc89d416aa21df3b60800649b741 100644 (file)
--- a/src/lib/decoder_part.h
+++ b/src/lib/decoder_part.h
@@ -34,6 +34,7 @@ public:
        virtual ~DecoderPart () {}
 
        virtual ContentTime position () const = 0;
+       virtual void seek () = 0;
 
        void set_ignore (bool i) {
                _ignore = i;