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  1. /*
  2.  * JPEG-related tables
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #ifndef AVCODEC_JPEGTABLES_H
  22. #define AVCODEC_JPEGTABLES_H
  23.  
  24. #include <stdint.h>
  25.  
  26. #include "libavutil/internal.h"
  27.  
  28. extern av_export const uint8_t avpriv_mjpeg_bits_dc_luminance[];
  29. extern av_export const uint8_t avpriv_mjpeg_val_dc[];
  30.  
  31. extern av_export const uint8_t avpriv_mjpeg_bits_dc_chrominance[];
  32.  
  33. extern av_export const uint8_t avpriv_mjpeg_bits_ac_luminance[];
  34. extern av_export const uint8_t avpriv_mjpeg_val_ac_luminance[];
  35.  
  36. extern av_export const uint8_t avpriv_mjpeg_bits_ac_chrominance[];
  37. extern av_export const uint8_t avpriv_mjpeg_val_ac_chrominance[];
  38.  
  39. void ff_mjpeg_build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code,
  40.                                   const uint8_t *bits_table,
  41.                                   const uint8_t *val_table);
  42.  
  43. #endif /* AVCODEC_JPEGTABLES_H */
  44.