FFmpeg
Loading...
Searching...
No Matches
libavcodec
hq_hqadsp.h
Go to the documentation of this file.
1
/*
2
* Canopus HQ/HQA decoder
3
*
4
* This file is part of FFmpeg.
5
*
6
* FFmpeg is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU Lesser General Public
8
* License as published by the Free Software Foundation; either
9
* version 2.1 of the License, or (at your option) any later version.
10
*
11
* FFmpeg is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
* Lesser General Public License for more details.
15
*
16
* You should have received a copy of the GNU Lesser General Public
17
* License along with FFmpeg; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
*/
20
21
/**
22
* @file
23
* HQ/HQA variant of AAN IDCT
24
* It differs from the standard AAN IDCT in precision and in the second stage.
25
*/
26
27
#ifndef AVCODEC_HQ_HQADSP_H
28
#define AVCODEC_HQ_HQADSP_H
29
30
#include <stdint.h>
31
32
typedef
struct
HQDSPContext
{
33
void (*
idct_put
)(uint8_t *
dst
,
int
stride
, int16_t *
block
);
34
}
HQDSPContext
;
35
36
void
ff_hqdsp_init
(
HQDSPContext
*
c
);
37
38
#endif
/* AVCODEC_HQ_HQADSP_H */
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition
dsp.h:87
block
static int16_t block[64]
Definition
dct.c:125
ff_hqdsp_init
void ff_hqdsp_init(HQDSPContext *c)
Definition
hq_hqadsp.c:127
HQDSPContext
Definition
hq_hqadsp.h:32
HQDSPContext::idct_put
void(* idct_put)(uint8_t *dst, int stride, int16_t *block)
Definition
hq_hqadsp.h:33
stride
#define stride
Definition
h264pred_template.c:536
c
static double c[64]
Definition
vsrc_mptestsrc.c:89
Generated on Wed Aug 19 2026 20:20:48 for FFmpeg by
1.13.2