/*

  * 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 */