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dct.h
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1 /*
2  * (I)DCT Transforms
3  * Copyright (c) 2009 Peter Ross <pross@xvid.org>
4  * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
5  * Copyright (c) 2010 Vitor Sessak
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #ifndef AVCODEC_DCT_H
25 #define AVCODEC_DCT_H
26 
27 #include <stddef.h>
28 #include <stdint.h>
29 
30 void ff_j_rev_dct(int16_t *data);
31 void ff_j_rev_dct4(int16_t *data);
32 void ff_j_rev_dct2(int16_t *data);
33 void ff_j_rev_dct1(int16_t *data);
34 void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
35 void ff_jref_idct_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
36 
37 #endif /* AVCODEC_DCT_H */
data
const char data[16]
Definition: mxf.c:149
ff_jref_idct_put
void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
Definition: jrevdct.c:1162
ff_j_rev_dct1
void ff_j_rev_dct1(int16_t *data)
ff_j_rev_dct2
void ff_j_rev_dct2(int16_t *data)
ff_j_rev_dct
void ff_j_rev_dct(int16_t *data)
ff_jref_idct_add
void ff_jref_idct_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block)
Definition: jrevdct.c:1168
ff_j_rev_dct4
void ff_j_rev_dct4(int16_t *data)
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
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