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