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  1. /*
  2.  * MPEG1/2 VLC
  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
  25.  * MPEG1/2 VLC.
  26.  */
  27.  
  28. #ifndef AVCODEC_MPEG12VLC_H
  29. #define AVCODEC_MPEG12VLC_H
  30.  
  31. #include "get_bits.h"
  32.  
  33. #define DC_VLC_BITS 9
  34. #define MV_VLC_BITS 9
  35. #define TEX_VLC_BITS 9
  36.  
  37. #define MBINCR_VLC_BITS 9
  38. #define MB_PAT_VLC_BITS 9
  39. #define MB_PTYPE_VLC_BITS 6
  40. #define MB_BTYPE_VLC_BITS 6
  41.  
  42. extern VLC ff_dc_lum_vlc;
  43. extern VLC ff_dc_chroma_vlc;
  44. extern VLC ff_mbincr_vlc;
  45. extern VLC ff_mb_ptype_vlc;
  46. extern VLC ff_mb_btype_vlc;
  47. extern VLC ff_mb_pat_vlc;
  48. extern VLC ff_mv_vlc;
  49.  
  50. void ff_mpeg12_init_vlcs(void);
  51.  
  52. #endif /* AVCODEC_MPEG12VLC_H */
  53.