Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / rtjpeg.h
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2ba45a60
DM
1/*
2 * RTJpeg decoding functions
3 * copyright (c) 2006 Reimar Doeffinger
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_RTJPEG_H
23#define AVCODEC_RTJPEG_H
24
25#include <stdint.h>
26
27#include "libavutil/mem.h"
28#include "idctdsp.h"
29
30#define RTJPEG_FILE_VERSION 0
31#define RTJPEG_HEADER_SIZE 12
32
33typedef struct RTJpegContext {
34 int w, h;
35 IDCTDSPContext idsp;
36 uint8_t scan[64];
37 uint32_t lquant[64];
38 uint32_t cquant[64];
39 DECLARE_ALIGNED(16, int16_t, block)[64];
40} RTJpegContext;
41
42void ff_rtjpeg_init(RTJpegContext *c, AVCodecContext *avctx);
43
44void ff_rtjpeg_decode_init(RTJpegContext *c, int width, int height,
45 const uint32_t *lquant, const uint32_t *cquant);
46
47int ff_rtjpeg_decode_frame_yuv420(RTJpegContext *c, AVFrame *f,
48 const uint8_t *buf, int buf_size);
49#endif /* AVCODEC_RTJPEG_H */