FFmpeg
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hq_hqadsp.h
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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
32typedef struct HQDSPContext {
33 void (*idct_put)(uint8_t *dst, int stride, int16_t *block);
35
37
38#endif /* AVCODEC_HQ_HQADSP_H */
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition dsp.h:87
static int16_t block[64]
Definition dct.c:125
void ff_hqdsp_init(HQDSPContext *c)
Definition hq_hqadsp.c:127
void(* idct_put)(uint8_t *dst, int stride, int16_t *block)
Definition hq_hqadsp.h:33
#define stride
static double c[64]