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ffmpeg-4.2.2/libavcodec/faanidct.h 1.15 KB
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  /*
   * Floating point AAN IDCT
   * Copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef AVCODEC_FAANIDCT_H
  #define AVCODEC_FAANIDCT_H
  
  #include <stddef.h>
  #include <stdint.h>
  
  void ff_faanidct(int16_t block[64]);
  void ff_faanidct_add(uint8_t *dest, ptrdiff_t line_size, int16_t block[64]);
  void ff_faanidct_put(uint8_t *dest, ptrdiff_t line_size, int16_t block[64]);
  
  #endif /* AVCODEC_FAANIDCT_H */