yading@10: /*
yading@10:  * Copyright (C) 2003 Mike Melanson
yading@10:  * Copyright (C) 2003 Dr. Tim Ferguson
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_ROQVIDEO_H
yading@10: #define AVCODEC_ROQVIDEO_H
yading@10: 
yading@10: #include "libavutil/lfg.h"
yading@10: #include "avcodec.h"
yading@10: #include "bytestream.h"
yading@10: 
yading@10: typedef struct roq_cell {
yading@10:     unsigned char y[4];
yading@10:     unsigned char u, v;
yading@10: } roq_cell;
yading@10: 
yading@10: typedef struct roq_qcell {
yading@10:     int idx[4];
yading@10: } roq_qcell;
yading@10: 
yading@10: typedef struct motion_vect {
yading@10:     int d[2];
yading@10: } motion_vect;
yading@10: 
yading@10: struct RoqTempData;
yading@10: 
yading@10: typedef struct RoqContext {
yading@10: 
yading@10:     AVCodecContext *avctx;
yading@10:     AVFrame frames[2];
yading@10:     AVFrame *last_frame;
yading@10:     AVFrame *current_frame;
yading@10:     int first_frame;
yading@10: 
yading@10:     roq_cell cb2x2[256];
yading@10:     roq_qcell cb4x4[256];
yading@10: 
yading@10:     GetByteContext gb;
yading@10:     int width, height;
yading@10: 
yading@10:     /* Encoder only data */
yading@10:     AVLFG randctx;
yading@10:     uint64_t lambda;
yading@10: 
yading@10:     motion_vect *this_motion4;
yading@10:     motion_vect *last_motion4;
yading@10: 
yading@10:     motion_vect *this_motion8;
yading@10:     motion_vect *last_motion8;
yading@10: 
yading@10:     unsigned int framesSinceKeyframe;
yading@10: 
yading@10:     const AVFrame *frame_to_enc;
yading@10:     uint8_t *out_buf;
yading@10:     struct RoqTempData *tmpData;
yading@10: } RoqContext;
yading@10: 
yading@10: #define RoQ_INFO              0x1001
yading@10: #define RoQ_QUAD_CODEBOOK     0x1002
yading@10: #define RoQ_QUAD_VQ           0x1011
yading@10: #define RoQ_SOUND_MONO        0x1020
yading@10: #define RoQ_SOUND_STEREO      0x1021
yading@10: 
yading@10: #define RoQ_ID_MOT              0x00
yading@10: #define RoQ_ID_FCC              0x01
yading@10: #define RoQ_ID_SLD              0x02
yading@10: #define RoQ_ID_CCC              0x03
yading@10: 
yading@10: void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell);
yading@10: void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell);
yading@10: 
yading@10: void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay);
yading@10: 
yading@10: void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay);
yading@10: 
yading@10: #endif /* AVCODEC_ROQVIDEO_H */