add multiple inclusion guards to headers
[libav.git] / libavcodec / roqvideo.h
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1/*
2 * Copyright (C) 2003 the ffmpeg project
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
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22#ifndef AVCODEC_ROQVIDEO_H
23#define AVCODEC_ROQVIDEO_H
24
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25#include "avcodec.h"
26#include "dsputil.h"
27
28typedef struct {
29 unsigned char y[4];
30 unsigned char u, v;
31} roq_cell;
32
33typedef struct {
34 int idx[4];
35} roq_qcell;
36
37typedef struct RoqContext {
38
39 AVCodecContext *avctx;
40 DSPContext dsp;
41 AVFrame frames[2];
42 AVFrame *last_frame;
43 AVFrame *current_frame;
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44 int y_stride;
45 int c_stride;
46
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47 roq_cell cb2x2[256];
48 roq_qcell cb4x4[256];
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49
50 unsigned char *buf;
51 int size;
52
53} RoqContext;
54
55#define RoQ_INFO 0x1001
56#define RoQ_QUAD_CODEBOOK 0x1002
57#define RoQ_QUAD_VQ 0x1011
58#define RoQ_SOUND_MONO 0x1020
59#define RoQ_SOUND_STEREO 0x1021
60
61#define RoQ_ID_MOT 0x00
62#define RoQ_ID_FCC 0x01
63#define RoQ_ID_SLD 0x02
64#define RoQ_ID_CCC 0x03
65
66void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
67void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
68
69void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
70
71void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);
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72
73#endif