. second part of the commit

src/video_decoder/vdec_idct.h

+/*****************************************************************************
+ * vdec_idct.h : types for the inverse discrete cosine transform
+ *****************************************************************************
+ * Copyright (C) 1999, 2000 VideoLAN
+ * $Id: vdec_idct.h,v 1.3 2001/01/13 12:57:47 sam Exp $
+ *
+ * Authors: Gaël Hendryckx <jimmy@via.ecp.fr>
+ *          Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+
+struct vdec_thread_s;
+
+typedef void ( *idct_init_t )   ( struct vdec_thread_s * );
+typedef void ( *f_idct_t )      ( struct vdec_thread_s *, dctelem_t*, int );
+