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__
36 typedef struct _GstIDCT GstIDCT;
37 typedef void (*GstIDCTFunction) (gshort *block);
39 #define GST_IDCT_TRANSPOSE(idct) ((idct)->need_transpose)
43 GstIDCTFunction convert;
44 GstIDCTFunction convert_sparse;
45 gboolean need_transpose;
49 GstIDCT *gst_idct_new(GstIDCTMethod method);
50 #define gst_idct_convert(idct, blocks) (idct)->convert((blocks))
51 #define gst_idct_convert_sparse(idct, blocks) (idct)->convert_sparse((blocks))
52 void gst_idct_destroy(GstIDCT *idct);
54 #endif /* __GST_IDCT_H__ */