text: /*
   * Copyright (c) 2001-2003 The ffmpeg Project
   *
   * 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
   * ADPCM encoder/decoder common header.
   */
  
  #ifndef AVCODEC_ADPCM_H
  #define AVCODEC_ADPCM_H
  
  #include <stdint.h>
  
  #define BLKSIZE 1024
  
  typedef struct ADPCMChannelStatus {
      int predictor;
      int16_t step_index;
      int step;
      /* for encoding */
      int prev_sample;
  
      /* MS version */
      int sample1;
      int sample2;
      int coeff1;
      int coeff2;
      int idelta;
  } ADPCMChannelStatus;
  
  #endif /* AVCODEC_ADPCM_H */
  