2 * Copyright (C) 2003 Mike Melanson
3 * Copyright (C) 2003 Dr. Tim Ferguson
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_ROQVIDEO_H
23 #define AVCODEC_ROQVIDEO_H
25 #include "libavutil/lfg.h"
27 #include "bytestream.h"
29 typedef struct roq_cell {
34 typedef struct roq_qcell {
38 typedef struct motion_vect {
44 typedef struct RoqContext {
46 AVCodecContext *avctx;
49 AVFrame *current_frame;
58 /* Encoder only data */
62 motion_vect *this_motion4;
63 motion_vect *last_motion4;
65 motion_vect *this_motion8;
66 motion_vect *last_motion8;
68 unsigned int framesSinceKeyframe;
70 const AVFrame *frame_to_enc;
72 struct RoqTempData *tmpData;
75 #define RoQ_INFO 0x1001
76 #define RoQ_QUAD_CODEBOOK 0x1002
77 #define RoQ_QUAD_VQ 0x1011
78 #define RoQ_SOUND_MONO 0x1020
79 #define RoQ_SOUND_STEREO 0x1021
81 #define RoQ_ID_MOT 0x00
82 #define RoQ_ID_FCC 0x01
83 #define RoQ_ID_SLD 0x02
84 #define RoQ_ID_CCC 0x03
86 void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
87 void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
89 void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
91 void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);
93 #endif /* AVCODEC_ROQVIDEO_H */