mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
|
/* Gnome-Streamer
|
||
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Library General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This library 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
|
||
|
|
* Library General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Library General Public
|
||
|
|
* License along with this library; if not, write to the
|
||
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
|
* Boston, MA 02111-1307, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef __GST_IDCT_H__
|
||
|
|
#define __GST_IDCT_H__
|
||
|
|
|
||
|
|
#include <glib.h>
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
GST_IDCT_DEFAULT,
|
||
|
|
GST_IDCT_INT,
|
||
|
|
GST_IDCT_FAST_INT,
|
||
|
|
GST_IDCT_FLOAT,
|
||
|
|
GST_IDCT_MMX,
|
||
|
|
GST_IDCT_MMX32,
|
||
|
|
GST_IDCT_SSE,
|
||
|
|
} GstIDCTMethod;
|
||
|
|
|
||
|
|
typedef struct _GstIDCT GstIDCT;
|
||
|
|
typedef void (*GstIDCTFunction) (gshort *block);
|
||
|
|
|
||
|
|
#define GST_IDCT_TRANSPOSE(idct) ((idct)->need_transpose)
|
||
|
|
|
||
|
|
struct _GstIDCT {
|
||
|
|
/* private */
|
||
|
|
GstIDCTFunction convert;
|
||
|
|
GstIDCTFunction convert_sparse;
|
||
|
|
gboolean need_transpose;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
GstIDCT *gst_idct_new(GstIDCTMethod method);
|
||
|
|
#define gst_idct_convert(idct, blocks) (idct)->convert((blocks))
|
||
|
|
#define gst_idct_convert_sparse(idct, blocks) (idct)->convert_sparse((blocks))
|
||
|
|
void gst_idct_destroy(GstIDCT *idct);
|
||
|
|
|
||
|
|
#endif /* __GST_IDCT_H__ */
|