FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
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 
37 
38 #endif /* AVCODEC_HQ_HQADSP_H */
void(* idct_put)(uint8_t *dst, int stride, int16_t *block)
Definition: hq_hqadsp.h:33
uint8_t
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
static double c[64]
#define stride
void ff_hqdsp_init(HQDSPContext *c)
Definition: hq_hqadsp.c:127
static int16_t block[64]
Definition: dct-test.c:112