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1 /*
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2 * MPEG1/2 tables
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3 * copyright (c) 2000,2001 Fabrice Bellard
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4 * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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5 *
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6 * This file is part of FFmpeg.
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7 *
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8 * FFmpeg is free software; you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public
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10 * License as published by the Free Software Foundation; either
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11 * version 2.1 of the License, or (at your option) any later version.
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12 *
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13 * FFmpeg is distributed in the hope that it will be useful,
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with FFmpeg; if not, write to the Free Software
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20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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21 */
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22
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23 /**
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24 * @file
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25 * MPEG1/2 tables.
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26 */
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27
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28 #ifndef AVCODEC_MPEG12DATA_H
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29 #define AVCODEC_MPEG12DATA_H
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30
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31 #include <stdint.h>
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32 #include "libavutil/rational.h"
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33 #include "rl.h"
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34
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35 extern const uint16_t ff_mpeg1_default_intra_matrix[];
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36 extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];
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37
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38 extern const uint16_t ff_mpeg12_vlc_dc_lum_code[12];
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39 extern const unsigned char ff_mpeg12_vlc_dc_lum_bits[12];
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40 extern const uint16_t ff_mpeg12_vlc_dc_chroma_code[12];
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41 extern const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12];
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42
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43 extern RLTable ff_rl_mpeg1;
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44 extern RLTable ff_rl_mpeg2;
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45
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46 extern const uint8_t ff_mpeg12_mbAddrIncrTable[36][2];
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47 extern const uint8_t ff_mpeg12_mbPatTable[64][2];
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48
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49 extern const uint8_t ff_mpeg12_mbMotionVectorTable[17][2];
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50
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51 extern const AVRational ff_mpeg12_frame_rate_tab[];
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52 extern const AVRational ff_mpeg2_frame_rate_tab[];
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53
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54 extern const float ff_mpeg1_aspect[16];
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55 extern const AVRational ff_mpeg2_aspect[16];
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56
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57 #endif /* AVCODEC_MPEG12DATA_H */
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