FFmpeg
faanidct.h
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1 /*
2  * Floating point AAN IDCT
3  * Copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVCODEC_FAANIDCT_H
23 #define AVCODEC_FAANIDCT_H
24 
25 #include <stddef.h>
26 #include <stdint.h>
27 
28 void ff_faanidct(int16_t block[64]);
29 void ff_faanidct_add(uint8_t *dest, ptrdiff_t line_size, int16_t block[64]);
30 void ff_faanidct_put(uint8_t *dest, ptrdiff_t line_size, int16_t block[64]);
31 
32 #endif /* AVCODEC_FAANIDCT_H */
ff_faanidct_add
void ff_faanidct_add(uint8_t *dest, ptrdiff_t line_size, int16_t block[64])
Definition: faanidct.c:141
ff_faanidct_put
void ff_faanidct_put(uint8_t *dest, ptrdiff_t line_size, int16_t block[64])
Definition: faanidct.c:155
ff_faanidct
void ff_faanidct(int16_t block[64])
Definition: faanidct.c:128
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207