52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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* FAAC - Freeware Advanced Audio Coder
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* Copyright (C) 2001 Menno Bakker
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: backpred.h,v 1.5 2001/06/08 18:01:09 menno Exp $
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*/
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#ifndef _AAC_BACK_H_INCLUDED
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#define _AAC_BACK_H_INCLUDED
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#define PRED_ALPHA 0.90625
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#define PRED_A 0.953125
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#define PRED_B 0.953125
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#define ALPHA PRED_ALPHA
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#define A PRED_A
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#define B PRED_B
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#define MINVAR 1.e-10
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/* Reset every RESET_FRAME frames. */
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#define RESET_FRAME 8
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void PredCalcPrediction(double *act_spec,
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double *last_spec,
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int btype,
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int nsfb,
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int *isfb_width,
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CoderInfo *coderInfo,
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ChannelInfo *channelInfo,
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int chanNum);
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void PredInit(faacEncHandle hEncoder);
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void CopyPredInfo(CoderInfo *right, CoderInfo *left);
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#endif
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