2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #ifndef __GST_IDCT_H__
22 #define __GST_IDCT_H__
33 typedef struct _GstIDCT GstIDCT;
34 typedef void (*GstIDCTFunction) (gshort *block);
36 #define GST_IDCT_TRANSPOSE(idct) ((idct)->need_transpose)
40 GstIDCTFunction convert;
41 GstIDCTFunction convert_sparse;
42 gboolean need_transpose;
46 GstIDCT *gst_idct_new(GstIDCTMethod method);
47 #define gst_idct_convert(idct, blocks) (idct)->convert((blocks))
48 #define gst_idct_convert_sparse(idct, blocks) (idct)->convert_sparse((blocks))
49 void gst_idct_destroy(GstIDCT *idct);
51 #endif /* __GST_IDCT_H__ */