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FFmpeg/libavcodec/mpeg12data.h

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  1. /*

  2.  * MPEG1/2 tables

  3.  * copyright (c) 2000,2001 Fabrice Bellard

  4.  * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>

  5.  *

  6.  * This file is part of FFmpeg.

  7.  *

  8.  * FFmpeg is free software; you can redistribute it and/or

  9.  * modify it under the terms of the GNU Lesser General Public

  10.  * License as published by the Free Software Foundation; either

  11.  * version 2.1 of the License, or (at your option) any later version.

  12.  *

  13.  * FFmpeg is distributed in the hope that it will be useful,

  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  16.  * Lesser General Public License for more details.

  17.  *

  18.  * You should have received a copy of the GNU Lesser General Public

  19.  * License along with FFmpeg; if not, write to the Free Software

  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  21.  */

  22. 

  23. /**

  24.  * @file mpeg12data.h

  25.  * MPEG1/2 tables.

  26.  */

  27. 

  28. #ifndef FFMPEG_MPEG12DATA_H

  29. #define FFMPEG_MPEG12DATA_H

  30. 

  31. #include <stdint.h>

  32. #include "libavutil/rational.h"

  33. #include "rl.h"

  34. 

  35. extern const uint16_t ff_mpeg1_default_intra_matrix[64];

  36. extern const uint16_t ff_mpeg1_default_non_intra_matrix[64];

  37. 

  38. extern const uint16_t ff_mpeg12_vlc_dc_lum_code[12];

  39. extern const unsigned char ff_mpeg12_vlc_dc_lum_bits[12];

  40. extern const uint16_t ff_mpeg12_vlc_dc_chroma_code[12];

  41. extern const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12];

  42. 

  43. extern RLTable ff_rl_mpeg1;

  44. extern RLTable ff_rl_mpeg2;

  45. 

  46. extern const uint8_t ff_mpeg12_mbAddrIncrTable[36][2];

  47. extern const uint8_t ff_mpeg12_mbPatTable[64][2];

  48. 

  49. extern const uint8_t ff_mpeg12_mbMotionVectorTable[17][2];

  50. 

  51. extern const AVRational ff_frame_rate_tab[];

  52. 

  53. extern const float ff_mpeg1_aspect[16];

  54. extern const AVRational ff_mpeg2_aspect[16];

  55. 

  56. #endif /* FFMPEG_MPEG12DATA_H */