ref: 8375349476e7df19b35005f148e6175fa8d05d0e
dir: /libfaad/ic_predict.h/
/* ** FAAD - Freeware Advanced Audio Decoder ** Copyright (C) 2002 M. Bakker ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. ** ** This program 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 General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** $Id: ic_predict.h,v 1.3 2002/03/16 13:38:37 menno Exp $ **/ #ifdef MAIN_DEC #ifndef __IC_PREDICT_H__ #define __IC_PREDICT_H__ #ifdef __cplusplus extern "C" { #endif #define ALPHA 0.90625f #define A 0.953125f #define B 0.953125f /* used to save the state */ typedef struct { real_t r[2]; real_t KOR[2]; real_t VAR[2]; } pred_state; void pns_reset_pred_state(ic_stream *ics, pred_state *state); void reset_all_predictors(pred_state *state); void ic_prediction(ic_stream *ics, real_t *spec, pred_state *state); #ifdef __cplusplus } #endif #endif #endif