1cabdff1aSopenharmony_ci/*
2cabdff1aSopenharmony_ci * RTJpeg decoding functions
3cabdff1aSopenharmony_ci * copyright (c) 2006 Reimar Doeffinger
4cabdff1aSopenharmony_ci *
5cabdff1aSopenharmony_ci * This file is part of FFmpeg.
6cabdff1aSopenharmony_ci *
7cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or
8cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public
9cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either
10cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version.
11cabdff1aSopenharmony_ci *
12cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful,
13cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of
14cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15cabdff1aSopenharmony_ci * Lesser General Public License for more details.
16cabdff1aSopenharmony_ci *
17cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public
18cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software
19cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20cabdff1aSopenharmony_ci */
21cabdff1aSopenharmony_ci
22cabdff1aSopenharmony_ci#ifndef AVCODEC_RTJPEG_H
23cabdff1aSopenharmony_ci#define AVCODEC_RTJPEG_H
24cabdff1aSopenharmony_ci
25cabdff1aSopenharmony_ci#include <stdint.h>
26cabdff1aSopenharmony_ci
27cabdff1aSopenharmony_ci#include "libavutil/mem_internal.h"
28cabdff1aSopenharmony_ci#include "idctdsp.h"
29cabdff1aSopenharmony_ci
30cabdff1aSopenharmony_ci#define RTJPEG_FILE_VERSION 0
31cabdff1aSopenharmony_ci#define RTJPEG_HEADER_SIZE 12
32cabdff1aSopenharmony_ci
33cabdff1aSopenharmony_citypedef struct RTJpegContext {
34cabdff1aSopenharmony_ci    int w, h;
35cabdff1aSopenharmony_ci    IDCTDSPContext idsp;
36cabdff1aSopenharmony_ci    uint8_t scan[64];
37cabdff1aSopenharmony_ci    uint32_t lquant[64];
38cabdff1aSopenharmony_ci    uint32_t cquant[64];
39cabdff1aSopenharmony_ci    DECLARE_ALIGNED(16, int16_t, block)[64];
40cabdff1aSopenharmony_ci} RTJpegContext;
41cabdff1aSopenharmony_ci
42cabdff1aSopenharmony_civoid ff_rtjpeg_init(RTJpegContext *c, AVCodecContext *avctx);
43cabdff1aSopenharmony_ci
44cabdff1aSopenharmony_civoid ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
45cabdff1aSopenharmony_ci                           const uint32_t *lquant, const uint32_t *cquant);
46cabdff1aSopenharmony_ci
47cabdff1aSopenharmony_ciint ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
48cabdff1aSopenharmony_ci                               const uint8_t *buf, int buf_size);
49cabdff1aSopenharmony_ci#endif /* AVCODEC_RTJPEG_H */
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