blob: 3da6eaa991033baf6e3eff5f1136a976e80a5787
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 | |
29 | typedef struct roq_cell { |
30 | unsigned char y[4]; |
31 | unsigned char u, v; |
32 | } roq_cell; |
33 | |
34 | typedef struct roq_qcell { |
35 | int idx[4]; |
36 | } roq_qcell; |
37 | |
38 | typedef struct motion_vect { |
39 | int d[2]; |
40 | } motion_vect; |
41 | |
42 | struct RoqTempData; |
43 | |
44 | typedef 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 | |
89 | void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell); |
90 | void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell); |
91 | |
92 | void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay); |
93 | |
94 | void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay); |
95 | |
96 | #endif /* AVCODEC_ROQVIDEO_H */ |
97 |