0,0 → 1,93 |
/* |
* Copyright (C) 2003 Mike Melanson |
* Copyright (C) 2003 Dr. Tim Ferguson |
* |
* 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/lfg.h" |
#include "avcodec.h" |
#include "bytestream.h" |
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typedef struct roq_cell { |
unsigned char y[4]; |
unsigned char u, v; |
} roq_cell; |
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typedef struct roq_qcell { |
int idx[4]; |
} roq_qcell; |
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typedef struct motion_vect { |
int d[2]; |
} motion_vect; |
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struct RoqTempData; |
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typedef struct RoqContext { |
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AVCodecContext *avctx; |
AVFrame frames[2]; |
AVFrame *last_frame; |
AVFrame *current_frame; |
int first_frame; |
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roq_cell cb2x2[256]; |
roq_qcell cb4x4[256]; |
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GetByteContext gb; |
int width, height; |
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/* Encoder only data */ |
AVLFG randctx; |
uint64_t lambda; |
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motion_vect *this_motion4; |
motion_vect *last_motion4; |
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motion_vect *this_motion8; |
motion_vect *last_motion8; |
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unsigned int framesSinceKeyframe; |
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const AVFrame *frame_to_enc; |
uint8_t *out_buf; |
struct RoqTempData *tmpData; |
} RoqContext; |
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#define RoQ_INFO 0x1001 |
#define RoQ_QUAD_CODEBOOK 0x1002 |
#define RoQ_QUAD_VQ 0x1011 |
#define RoQ_SOUND_MONO 0x1020 |
#define RoQ_SOUND_STEREO 0x1021 |
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#define RoQ_ID_MOT 0x00 |
#define RoQ_ID_FCC 0x01 |
#define RoQ_ID_SLD 0x02 |
#define RoQ_ID_CCC 0x03 |
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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); |
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void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay); |
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void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay); |
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#endif /* AVCODEC_ROQVIDEO_H */ |