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  1. /*
  2.  * Block Gilbert-Moore decoder
  3.  * Copyright (c) 2010 Thilo Borgmann <thilo.borgmann _at_ mail.de>
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. /**
  23.  * @file
  24.  * Block Gilbert-Moore decoder header
  25.  * @author Thilo Borgmann <thilo.borgmann _at_ mail.de>
  26.  */
  27.  
  28.  
  29. #ifndef AVCODEC_BGMC_H
  30. #define AVCODEC_BGMC_H
  31.  
  32.  
  33. #include "avcodec.h"
  34. #include "get_bits.h"
  35.  
  36.  
  37. int ff_bgmc_init(AVCodecContext *avctx, uint8_t **cf_lut, int **cf_lut_status);
  38.  
  39.  
  40. void ff_bgmc_end(uint8_t **cf_lut, int **cf_lut_status);
  41.  
  42.  
  43. void ff_bgmc_decode_init(GetBitContext *gb,
  44.                       unsigned int *h, unsigned int *l, unsigned int *v);
  45.  
  46.  
  47. void ff_bgmc_decode_end(GetBitContext *gb);
  48.  
  49.  
  50. void ff_bgmc_decode(GetBitContext *gb, unsigned int num, int32_t *dst,
  51.                  int delta, unsigned int sx,
  52.                  unsigned int *h, unsigned int *l, unsigned int *v,
  53.                  uint8_t *cf_lut, int *cf_lut_status);
  54.  
  55.  
  56. #endif /* AVCODEC_BGMC_H */
  57.