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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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001bbb7002
Original commit message from CVS: Added general IDCT library. Added IEEE testbed. Update to the windows codec loader. fixes in the riff parser/encoder. cleanup in the getbits/putbits API.
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_IDCT_H__
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#define __GST_IDCT_H__
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#include <glib.h>
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typedef enum {
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GST_IDCT_DEFAULT, // default
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GST_IDCT_INT, // integer IDCT
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GST_IDCT_FAST_INT, // fastest integer
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GST_IDCT_FLOAT, // accurate float version
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GST_IDCT_MMX, // fast MMX (not accurate)
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GST_IDCT_MMX32, // accurate MMX
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} GstIDCTMethod;
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typedef struct _GstIDCT GstIDCT;
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typedef void (*GstIDCTFunction) (gshort *block);
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#define GST_IDCT_TRANSPOSE(idct) ((idct)->need_transpose)
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struct _GstIDCT {
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/* private */
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GstIDCTFunction convert;
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GstIDCTFunction convert_sparse;
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gboolean need_transpose;
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};
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GstIDCT *gst_idct_new(GstIDCTMethod method);
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#define gst_idct_convert(idct, blocks) (idct)->convert((blocks))
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#define gst_idct_convert_sparse(idct, blocks) (idct)->convert_sparse((blocks))
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void gst_idct_destroy(GstIDCT *idct);
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#endif /* __GST_IDCT_H__ */
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