1/*
2 * Simple IDCT
3 *
4 * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of Libav.
7 *
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23/**
24 * @file
25 * simple idct header.
26 */
27
28#ifndef AVCODEC_SIMPLE_IDCT_H
29#define AVCODEC_SIMPLE_IDCT_H
30
31#include <stdint.h>
32#include "dsputil.h"
33
34void ff_simple_idct_put_8(uint8_t *dest, int line_size, DCTELEM *block);
35void ff_simple_idct_add_8(uint8_t *dest, int line_size, DCTELEM *block);
36void ff_simple_idct_8(DCTELEM *block);
37
38void ff_simple_idct_put_10(uint8_t *dest, int line_size, DCTELEM *block);
39void ff_simple_idct_add_10(uint8_t *dest, int line_size, DCTELEM *block);
40void ff_simple_idct_10(DCTELEM *block);
41/**
42 * Special version of ff_simple_idct_10() which does dequantization
43 * and scales by a factor of 2 more between the two IDCTs to account
44 * for larger scale of input coefficients.
45 */
46void ff_prores_idct(DCTELEM *block, const int16_t *qmat);
47
48void ff_simple_idct_mmx(int16_t *block);
49void ff_simple_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
50void ff_simple_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
51
52void ff_simple_idct248_put(uint8_t *dest, int line_size, DCTELEM *block);
53
54void ff_simple_idct84_add(uint8_t *dest, int line_size, DCTELEM *block);
55void ff_simple_idct48_add(uint8_t *dest, int line_size, DCTELEM *block);
56void ff_simple_idct44_add(uint8_t *dest, int line_size, DCTELEM *block);
57
58#endif /* AVCODEC_SIMPLE_IDCT_H */
59