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68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/* originally from nwatowav.cc 2007.7.28 version, which read: */
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/*
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* Copyright 2001-2007 jagarl / Kazunori Ueno <jagarl@creator.club.ne.jp>
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* このプログラムの作者は jagarl です。
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*
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* このプログラム、及びコンパイルによって生成したバイナリは
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* プログラムを変更する、しないにかかわらず再配布可能です。
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* その際、上記 Copyright 表示を保持するなどの条件は課しま
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* せん。対応が面倒なのでバグ報告を除き、メールで連絡をする
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* などの必要もありません。ソースの一部を流用することを含め、
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* ご自由にお使いください。
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*
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* THIS SOFTWARE IS PROVIDED BY KAZUNORI 'jagarl' UENO ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KAZUNORI UENO BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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#ifndef _NWA_DECODER_H
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#define _NWA_DECODER_H
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#include "../streamfile.h"
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typedef struct NWAData_s
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{
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int channels;
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int bps; /* bits per sample */
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int freq; /* samples per second */
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int complevel; /* compression level */
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int blocks; /* block count */
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int datasize; /* all data size */
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int compdatasize; /* compressed data size */
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int samplecount; /* all samples */
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int blocksize; /* samples per block */
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int restsize; /* samples of the last block */
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int curblock;
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off_t *offsets;
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STREAMFILE *file;
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/* temporarily store samples */
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sample *buffer;
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sample *buffer_readpos;
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int samples_in_buffer;
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} NWAData;
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NWAData *open_nwa(STREAMFILE *streamFile, const char *filename);
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void close_nwa(NWAData *nwa);
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void reset_nwa(NWAData *nwa);
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void seek_nwa(NWAData *nwa, int32_t seekpos);
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#endif
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