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 "dsputil.h" 28 29typedef struct { 30 unsigned char y[4]; 31 unsigned char u, v; 32} roq_cell; 33 34typedef struct { 35 int idx[4]; 36} roq_qcell; 37 38typedef struct { 39 int d[2]; 40} motion_vect; 41 42struct RoqTempData; 43 44typedef struct RoqContext { 45 46 AVCodecContext *avctx; 47 DSPContext dsp; 48 AVFrame frames[2]; 49 AVFrame *last_frame; 50 AVFrame *current_frame; 51 int first_frame; 52 53 roq_cell cb2x2[256]; 54 roq_qcell cb4x4[256]; 55 56 const unsigned char *buf; 57 int size; 58 int width, height; 59 60 /* Encoder only data */ 61 AVLFG randctx; 62 uint64_t lambda; 63 64 motion_vect *this_motion4; 65 motion_vect *last_motion4; 66 67 motion_vect *this_motion8; 68 motion_vect *last_motion8; 69 70 unsigned int framesSinceKeyframe; 71 72 AVFrame *frame_to_enc; 73 uint8_t *out_buf; 74 struct RoqTempData *tmpData; 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 88void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell); 89void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell); 90 91void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay); 92 93void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay); 94 95#endif /* AVCODEC_ROQVIDEO_H */ 96