mirror of
https://github.com/DrBeef/JKXR.git
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4597b03873
Opens in Android Studio but haven't even tried to build it yet (it won't.. I know that much!)
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
#ifndef MHEAD_H
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#define MHEAD_H
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/*____________________________________________________________________________
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FreeAmp - The Free MP3 Player
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MP3 Decoder originally Copyright (C) 1995-1997 Xing Technology
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Corp. http://www.xingtech.com
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Portions Copyright (C) 1998 EMusic.com
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: mhead.h,v 1.3 1999/10/19 07:13:08 elrod Exp $
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____________________________________________________________________________*/
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/* portable copy of eco\mhead.h */
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/* mpeg audio header */
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typedef struct
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{
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int sync; /* 1 if valid sync */
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int id;
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int option;
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int prot;
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int br_index;
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int sr_index;
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int pad;
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int private_bit;
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int mode;
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int mode_ext;
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int cr;
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int original;
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int emphasis;
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}
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MPEG_HEAD;
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/* portable mpeg audio decoder, decoder functions */
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#ifndef IN_OUT
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#include "small_header.h"
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#endif
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typedef struct
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{
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int channels;
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int outvalues;
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long samprate;
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int bits;
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int framebytes;
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int type;
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}
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DEC_INFO;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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int head_info(unsigned char *buf, unsigned int n, MPEG_HEAD * h);
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int head_info2(unsigned char *buf,
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unsigned int n, MPEG_HEAD * h, int *br);
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int head_info3(unsigned char *buf, unsigned int n, MPEG_HEAD *h, int*br, unsigned int *searchForward);
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/* head_info returns framebytes > 0 for success */
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/* audio_decode_init returns 1 for success, 0 for fail */
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/* audio_decode returns in_bytes = 0 on sync loss */
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int audio_decode_init(MPEG_HEAD * h, int framebytes_arg,
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int reduction_code, int transform_code, int convert_code,
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int freq_limit);
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void audio_decode_info(DEC_INFO * info);
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IN_OUT audio_decode(unsigned char *bs, short *pcm, unsigned char *pNextByteAfterData);
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int audio_decode8_init(MPEG_HEAD * h, int framebytes_arg,
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int reduction_code, int transform_code, int convert_code,
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int freq_limit);
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void audio_decode8_info(DEC_INFO * info);
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IN_OUT audio_decode8(unsigned char *bs, short *pcmbuf);
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#ifdef __cplusplus
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}
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#endif
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#endif // #ifndef MHEAD_H
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