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ffmpeg-4.2.2/libavcodec/mpegaudio_tablegen.c 1.45 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Generate a header file for hardcoded mpegaudiodec tables
   *
   * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
   *
   * 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
   */
  
  #include <stdlib.h>
  #define CONFIG_HARDCODED_TABLES 0
  #include "libavutil/tablegen.h"
  #include "mpegaudio_tablegen.h"
  #include "tableprint.h"
  
  int main(void)
  {
      mpegaudio_tableinit();
  
      write_fileheader();
  
      WRITE_ARRAY("static const", int8_t, table_4_3_exp);
      WRITE_ARRAY("static const", uint32_t, table_4_3_value);
      WRITE_ARRAY("static const", uint32_t, exp_table_fixed);
      WRITE_ARRAY("static const", float, exp_table_float);
      WRITE_2D_ARRAY("static const", uint32_t, expval_table_fixed);
      WRITE_2D_ARRAY("static const", float, expval_table_float);
  
      return 0;
  }