roqvideo.h
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1 /*
2  * Copyright (C) 2003 Mike Melanson
3  * Copyright (C) 2003 Dr. Tim Ferguson
4  *
5  * This file is part of Libav.
6  *
7  * Libav 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  * Libav 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 Libav; 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 #include "dsputil.h"
29 
30 typedef struct {
31  unsigned char y[4];
32  unsigned char u, v;
33 } roq_cell;
34 
35 typedef struct {
36  int idx[4];
37 } roq_qcell;
38 
39 typedef struct {
40  int d[2];
41 } motion_vect;
42 
43 struct RoqTempData;
44 
45 typedef struct RoqContext {
46 
53 
56 
58  int width, height;
59 
60  /* Encoder only data */
62  uint64_t lambda;
63 
66 
69 
70  unsigned int framesSinceKeyframe;
71 
73  uint8_t *out_buf;
75 } RoqContext;
76 
77 #define RoQ_INFO 0x1001
78 #define RoQ_QUAD_CODEBOOK 0x1002
79 #define RoQ_QUAD_VQ 0x1011
80 #define RoQ_SOUND_MONO 0x1020
81 #define RoQ_SOUND_STEREO 0x1021
82 
83 #define RoQ_ID_MOT 0x00
84 #define RoQ_ID_FCC 0x01
85 #define RoQ_ID_SLD 0x02
86 #define RoQ_ID_CCC 0x03
87 
88 void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
89 void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
90 
91 void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
92 
93 void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);
94 
95 #endif /* AVCODEC_ROQVIDEO_H */