Imported Debian version 2.5.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / roqvideo.h
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2ba45a60
DM
1/*
2 * Copyright (C) 2003 Mike Melanson
3 * Copyright (C) 2003 Dr. Tim Ferguson
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_ROQVIDEO_H
23#define AVCODEC_ROQVIDEO_H
24
25#include "libavutil/lfg.h"
26#include "avcodec.h"
27#include "bytestream.h"
28
29typedef struct roq_cell {
30 unsigned char y[4];
31 unsigned char u, v;
32} roq_cell;
33
34typedef struct roq_qcell {
35 int idx[4];
36} roq_qcell;
37
38typedef struct motion_vect {
39 int d[2];
40} motion_vect;
41
42struct RoqTempData;
43
44typedef struct RoqContext {
45
46 const AVClass *class;
47 AVCodecContext *avctx;
48 AVFrame *last_frame;
49 AVFrame *current_frame;
50 int first_frame;
51
52 roq_cell cb2x2[256];
53 roq_qcell cb4x4[256];
54
55 GetByteContext gb;
56 int width, height;
57
58 /* Encoder only data */
59 AVLFG randctx;
60 uint64_t lambda;
61
62 motion_vect *this_motion4;
63 motion_vect *last_motion4;
64
65 motion_vect *this_motion8;
66 motion_vect *last_motion8;
67
68 unsigned int framesSinceKeyframe;
69
70 const AVFrame *frame_to_enc;
71 uint8_t *out_buf;
72 struct RoqTempData *tmpData;
73
74 int quake3_compat; // Quake 3 compatibility option
75
76} RoqContext;
77
78#define RoQ_INFO 0x1001
79#define RoQ_QUAD_CODEBOOK 0x1002
80#define RoQ_QUAD_VQ 0x1011
81#define RoQ_SOUND_MONO 0x1020
82#define RoQ_SOUND_STEREO 0x1021
83
84#define RoQ_ID_MOT 0x00
85#define RoQ_ID_FCC 0x01
86#define RoQ_ID_SLD 0x02
87#define RoQ_ID_CCC 0x03
88
89void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
90void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
91
92void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
93
94void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);
95
96#endif /* AVCODEC_ROQVIDEO_H */