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ffmpeg-4.2.2/libavcodec/h264idct.c 1.26 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * H.264 IDCT
   * Copyright (c) 2004 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
   */
  
  /**
   * @file
   * H.264 IDCT.
   * @author Michael Niedermayer <michaelni@gmx.at>
   */
  
  #include "h264idct.h"
  
  #define BIT_DEPTH 8
  #include "h264idct_template.c"
  #undef BIT_DEPTH
  
  #define BIT_DEPTH 9
  #include "h264idct_template.c"
  #undef BIT_DEPTH
  
  #define BIT_DEPTH 10
  #include "h264idct_template.c"
  #undef BIT_DEPTH
  
  #define BIT_DEPTH 12
  #include "h264idct_template.c"
  #undef BIT_DEPTH
  
  #define BIT_DEPTH 14
  #include "h264idct_template.c"
  #undef BIT_DEPTH