/*
  * TTA (The Lossless True Audio) data
  *
  * 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_TTADATA_H
 #define AVCODEC_TTADATA_H
 
 #include "internal.h"
 
 #define MAX_ORDER 16
 typedef struct TTAFilter {
     int32_t shift, round, error;
     int32_t qm[MAX_ORDER];
     int32_t dx[MAX_ORDER];
     int32_t dl[MAX_ORDER];
 } TTAFilter;
 
 typedef struct TTARice {
     uint32_t k0, k1, sum0, sum1;
 } TTARice;
 
 typedef struct TTAChannel {
     int32_t predictor;
     TTAFilter filter;
     TTARice rice;
 } TTAChannel;
 
 extern const uint32_t ff_tta_shift_1[];
 extern const uint32_t * const ff_tta_shift_16;
 extern const uint8_t ff_tta_filter_configs[];
 
 void ff_tta_rice_init(TTARice *c, uint32_t k0, uint32_t k1);
 void ff_tta_filter_init(TTAFilter *c, int32_t shift);
 #endif /* AVCODEC_TTADATA_H */