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50 lines
1.3 KiB
50 lines
1.3 KiB
17 years ago
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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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 adx.h
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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 FFMPEG_ADX_H
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#define FFMPEG_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 /* FFMPEG_ADX_H */
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