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ffmpeg / libavcodec / adx.h @ 2912e87a

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/*
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 * ADX ADPCM codecs
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 * Copyright (c) 2001,2003 BERO
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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 * @file
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 * SEGA CRI adx codecs.
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 *
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 * Reference documents:
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 * http://ku-www.ss.titech.ac.jp/~yatsushi/adx.html
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 * adx2wav & wav2adx http://www.geocities.co.jp/Playtown/2004/
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 */
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#ifndef AVCODEC_ADX_H
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#define AVCODEC_ADX_H
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typedef struct {
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    int s1,s2;
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} PREV;
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typedef struct {
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    PREV prev[2];
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    int header_parsed;
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    unsigned char dec_temp[18*2];
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    int in_temp;
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} ADXContext;
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#define    BASEVOL   0x4000
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#define    SCALE1    0x7298
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#define    SCALE2    0x3350
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#endif /* AVCODEC_ADX_H */