1 files changed, 9 insertions, 1 deletions

diff --git a/src/buffer.h b/src/buffer.h
index 17c6d73..91ec9c2 100644
--- a/src/buffer.h
+++ b/src/buffer.h
@@ -15,9 +15,16 @@ namespace Bu
         class Buffer : public Bu::Filter
         {
         public:
-                Buffer( Bu::Stream &rNext, int iBufSize=4096 );
+                Buffer( Bu::Stream &rNext, int iWhat=Both, int iBufSize=4096 );
                 virtual ~Buffer();
 
+                enum
+                {
+                        Write   = 1,
+                        Read    = 2,
+                        Both    = 3
+                };
+
                 virtual void start();
                 virtual Bu::size stop();
 
@@ -44,6 +51,7 @@ namespace Bu
                 int iReadPos;
                 int iWriteBufFill;
                 int iWritePos;
+                int iWhat;
         };
 };