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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* RARAudioDecoder.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef __RARAUDIODECODER_H__
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#define __RARAUDIODECODER_H__
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typedef struct RAR20AudioState
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{
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int weight1,weight2,weight3,weight4,weight5;
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int delta1,delta2,delta3,delta4;
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int lastdelta;
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int error[11];
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int count;
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int lastbyte;
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} RAR20AudioState;
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typedef struct RAR30AudioState
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{
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int weight1,weight2,weight3,weight4,weight5;
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int delta1,delta2,delta3,delta4;
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int lastdelta;
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int error[7];
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int count;
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int lastbyte;
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} RAR30AudioState;
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int DecodeRAR20Audio(RAR20AudioState *state,int *channeldelta,int delta);
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int DecodeRAR30Audio(RAR30AudioState *state,int delta);
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#endif
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