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96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
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#if 0
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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) 1998-1999 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: wavep.c,v 1.3 1999/10/19 07:13:09 elrod Exp $
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____________________________________________________________________________*/
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/*---- wavep.c --------------------------------------------
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WAVE FILE HEADER ROUTINES
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with conditional pcm conversion to MS wave format
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portable version
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-----------------------------------------------------------*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <float.h>
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#include <math.h>
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#ifdef WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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#include "port.h"
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typedef struct
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{
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unsigned char riff[4];
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unsigned char size[4];
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unsigned char wave[4];
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unsigned char fmt[4];
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unsigned char fmtsize[4];
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unsigned char tag[2];
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unsigned char nChannels[2];
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unsigned char nSamplesPerSec[4];
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unsigned char nAvgBytesPerSec[4];
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unsigned char nBlockAlign[2];
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unsigned char nBitsPerSample[2];
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unsigned char data[4];
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unsigned char pcm_bytes[4];
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}
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BYTE_WAVE;
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static const BYTE_WAVE wave =
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{
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"RIFF",
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{(sizeof(BYTE_WAVE) - 8), 0, 0, 0},
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"WAVE",
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"fmt ",
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{16, 0, 0, 0},
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{1, 0},
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{1, 0},
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{34, 86, 0, 0}, /* 86 * 256 + 34 = 22050 */
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{172, 68, 0, 0}, /* 172 * 256 + 68 = 44100 */
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{2, 0},
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{16, 0},
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"data",
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{0, 0, 0, 0}
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};
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/*----------------------------------------------------------------
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pcm conversion to wave format
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This conversion code required for big endian machine, or,
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if sizeof(short) != 16 bits.
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Conversion routines may be used on any machine, but if
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not required, the do nothing macros in port.h can be used instead
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to reduce overhead.
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-----------------------------------------------------------------*/
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#ifndef LITTLE_SHORT16
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#include "wcvt.c"
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#endif
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/*-----------------------------------------------*/
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#endif
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