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