--- a
+++ b/src/ppmstream.h
@@ -0,0 +1,22 @@
+/* mpremap - remap motion pictures
+   Copyright (C) 2007 - Helmut Dersch  der@fh-furtwangen.de
+   
+   This program 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, or (at your option)
+   any later version.
+
+   This program 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.  */
+
+/*------------------------------------------------------------*/
+#include "filter.h"
+
+int getImageFromPPMStream( FILE* src, Image* im);
+int putImageToPPMStream( FILE* out, Image*im  );