+++ /dev/null
-/*
-** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU Lesser General Public License as published by
-** the Free Software Foundation; either version 2.1 of the License, or
-** (at your option) any later version.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU Lesser General Public License for more details.
-**
-** You should have received a copy of the GNU Lesser General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#include "sfconfig.h"
-
-#include <math.h>
-
-#include "sndfile.h"
-#include "common.h"
-
-static sf_count_t alaw_read_alaw2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ;
-static sf_count_t alaw_read_alaw2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ;
-static sf_count_t alaw_read_alaw2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ;
-static sf_count_t alaw_read_alaw2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ;
-
-static sf_count_t alaw_write_s2alaw (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ;
-static sf_count_t alaw_write_i2alaw (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ;
-static sf_count_t alaw_write_f2alaw (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ;
-static sf_count_t alaw_write_d2alaw (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ;
-
-static void alaw2s_array (unsigned char *buffer, int count, short *ptr) ;
-static void alaw2i_array (unsigned char *buffer, int count, int *ptr) ;
-static void alaw2f_array (unsigned char *buffer, int count, float *ptr, float normfact) ;
-static void alaw2d_array (unsigned char *buffer, int count, double *ptr, double normfact) ;
-
-static void s2alaw_array (const short *buffer, int count, unsigned char *ptr) ;
-static void i2alaw_array (const int *buffer, int count, unsigned char *ptr) ;
-static void f2alaw_array (const float *buffer, int count, unsigned char *ptr, float normfact) ;
-static void d2alaw_array (const double *buffer, int count, unsigned char *ptr, double normfact) ;
-
-
-int
-alaw_init (SF_PRIVATE *psf)
-{
- if (psf->file.mode == SFM_READ || psf->file.mode == SFM_RDWR)
- { psf->read_short = alaw_read_alaw2s ;
- psf->read_int = alaw_read_alaw2i ;
- psf->read_float = alaw_read_alaw2f ;
- psf->read_double = alaw_read_alaw2d ;
- } ;
-
- if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
- { psf->write_short = alaw_write_s2alaw ;
- psf->write_int = alaw_write_i2alaw ;
- psf->write_float = alaw_write_f2alaw ;
- psf->write_double = alaw_write_d2alaw ;
- } ;
-
- psf->bytewidth = 1 ;
- psf->blockwidth = psf->sf.channels ;
-
- if (psf->filelength > psf->dataoffset)
- psf->datalength = (psf->dataend) ? psf->dataend - psf->dataoffset : psf->filelength - psf->dataoffset ;
- else
- psf->datalength = 0 ;
-
- psf->sf.frames = psf->blockwidth > 0 ? psf->datalength / psf->blockwidth : 0 ;
-
- return 0 ;
-} /* alaw_init */
-
-/*==============================================================================
- * Private static functions and data.
- */
-
-static
-short alaw_decode [256] =
-{ -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736,
- -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784,
- -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368,
- -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392,
- -22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944,
- -30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136,
- -11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472,
- -15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568,
- -344, -328, -376, -360, -280, -264, -312, -296,
- -472, -456, -504, -488, -408, -392, -440, -424,
- -88, -72, -120, -104, -24, -8, -56, -40,
- -216, -200, -248, -232, -152, -136, -184, -168,
- -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184,
- -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696,
- -688, -656, -752, -720, -560, -528, -624, -592,
- -944, -912, -1008, -976, -816, -784, -880, -848,
- 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736,
- 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784,
- 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368,
- 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392,
- 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944,
- 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136,
- 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472,
- 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568,
- 344, 328, 376, 360, 280, 264, 312, 296,
- 472, 456, 504, 488, 408, 392, 440, 424,
- 88, 72, 120, 104, 24, 8, 56, 40,
- 216, 200, 248, 232, 152, 136, 184, 168,
- 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184,
- 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696,
- 688, 656, 752, 720, 560, 528, 624, 592,
- 944, 912, 1008, 976, 816, 784, 880, 848
-} ; /* alaw_decode */
-
-static
-unsigned char alaw_encode [2048 + 1] =
-{ 0xd5, 0xd4, 0xd7, 0xd6, 0xd1, 0xd0, 0xd3, 0xd2, 0xdd, 0xdc, 0xdf, 0xde,
- 0xd9, 0xd8, 0xdb, 0xda, 0xc5, 0xc4, 0xc7, 0xc6, 0xc1, 0xc0, 0xc3, 0xc2,
- 0xcd, 0xcc, 0xcf, 0xce, 0xc9, 0xc8, 0xcb, 0xca, 0xf5, 0xf5, 0xf4, 0xf4,
- 0xf7, 0xf7, 0xf6, 0xf6, 0xf1, 0xf1, 0xf0, 0xf0, 0xf3, 0xf3, 0xf2, 0xf2,
- 0xfd, 0xfd, 0xfc, 0xfc, 0xff, 0xff, 0xfe, 0xfe, 0xf9, 0xf9, 0xf8, 0xf8,
- 0xfb, 0xfb, 0xfa, 0xfa, 0xe5, 0xe5, 0xe5, 0xe5, 0xe4, 0xe4, 0xe4, 0xe4,
- 0xe7, 0xe7, 0xe7, 0xe7, 0xe6, 0xe6, 0xe6, 0xe6, 0xe1, 0xe1, 0xe1, 0xe1,
- 0xe0, 0xe0, 0xe0, 0xe0, 0xe3, 0xe3, 0xe3, 0xe3, 0xe2, 0xe2, 0xe2, 0xe2,
- 0xed, 0xed, 0xed, 0xed, 0xec, 0xec, 0xec, 0xec, 0xef, 0xef, 0xef, 0xef,
- 0xee, 0xee, 0xee, 0xee, 0xe9, 0xe9, 0xe9, 0xe9, 0xe8, 0xe8, 0xe8, 0xe8,
- 0xeb, 0xeb, 0xeb, 0xeb, 0xea, 0xea, 0xea, 0xea, 0x95, 0x95, 0x95, 0x95,
- 0x95, 0x95, 0x95, 0x95, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94, 0x94,
- 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x97, 0x96, 0x96, 0x96, 0x96,
- 0x96, 0x96, 0x96, 0x96, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91, 0x91,
- 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x93, 0x93, 0x93, 0x93,
- 0x93, 0x93, 0x93, 0x93, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92, 0x92,
- 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9d, 0x9c, 0x9c, 0x9c, 0x9c,
- 0x9c, 0x9c, 0x9c, 0x9c, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f, 0x9f,
- 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x9e, 0x99, 0x99, 0x99, 0x99,
- 0x99, 0x99, 0x99, 0x99, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98, 0x98,
- 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9b, 0x9a, 0x9a, 0x9a, 0x9a,
- 0x9a, 0x9a, 0x9a, 0x9a, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
- 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x84, 0x84, 0x84, 0x84,
- 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84, 0x84,
- 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87, 0x87,
- 0x87, 0x87, 0x87, 0x87, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86,
- 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x86, 0x81, 0x81, 0x81, 0x81,
- 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
- 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
- 0x80, 0x80, 0x80, 0x80, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83,
- 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x83, 0x82, 0x82, 0x82, 0x82,
- 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82, 0x82,
- 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d, 0x8d,
- 0x8d, 0x8d, 0x8d, 0x8d, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c,
- 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8c, 0x8f, 0x8f, 0x8f, 0x8f,
- 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f,
- 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e, 0x8e,
- 0x8e, 0x8e, 0x8e, 0x8e, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89,
- 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x89, 0x88, 0x88, 0x88, 0x88,
- 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88,
- 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b, 0x8b,
- 0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a,
- 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0x8a, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5, 0xb5,
- 0xb5, 0xb5, 0xb5, 0xb5, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
- 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
- 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4, 0xb4,
- 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
- 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7,
- 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb7, 0xb6, 0xb6, 0xb6, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6, 0xb6,
- 0xb6, 0xb6, 0xb6, 0xb6, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
- 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
- 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1, 0xb1,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0,
- 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb0, 0xb3, 0xb3, 0xb3, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3, 0xb3,
- 0xb3, 0xb3, 0xb3, 0xb3, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2, 0xb2,
- 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
- 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd,
- 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbd, 0xbc, 0xbc, 0xbc, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc, 0xbc,
- 0xbc, 0xbc, 0xbc, 0xbc, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
- 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
- 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
- 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
- 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe,
- 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xbe, 0xb9, 0xb9, 0xb9, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9, 0xb9,
- 0xb9, 0xb9, 0xb9, 0xb9, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, 0xb8,
- 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
- 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
- 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xba, 0xba, 0xba, 0xba,
- 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
- 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba, 0xba,
- 0xba, 0xba, 0xba, 0xba, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
- 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
- 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
- 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
- 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
- 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4, 0xa4,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
- 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
- 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
- 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
- 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6,
- 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa6, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1, 0xa1,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
- 0xa0, 0xa0, 0xa0, 0xa0, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
- 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
- 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
- 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
- 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3,
- 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa3, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2, 0xa2,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad, 0xad,
- 0xad, 0xad, 0xad, 0xad, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac,
- 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae, 0xae,
- 0xae, 0xae, 0xae, 0xae, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
- 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
- 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
- 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
- 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9,
- 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa9, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8, 0xa8,
- 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
- 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
- 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
- 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
- 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
- 0xab, 0xab, 0xab, 0xab, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
- 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
- 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
- 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
- 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
- 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0x2a
-} ; /* alaw_encode */
-
-static inline void
-alaw2s_array (unsigned char *buffer, int count, short *ptr)
-{ while (--count >= 0)
- ptr [count] = alaw_decode [(int) buffer [count]] ;
-} /* alaw2s_array */
-
-static inline void
-alaw2i_array (unsigned char *buffer, int count, int *ptr)
-{ while (--count >= 0)
- ptr [count] = alaw_decode [(int) buffer [count]] << 16 ;
-} /* alaw2i_array */
-
-static inline void
-alaw2f_array (unsigned char *buffer, int count, float *ptr, float normfact)
-{ while (--count >= 0)
- ptr [count] = normfact * alaw_decode [(int) buffer [count]] ;
-} /* alaw2f_array */
-
-static inline void
-alaw2d_array (unsigned char *buffer, int count, double *ptr, double normfact)
-{ while (--count >= 0)
- ptr [count] = normfact * alaw_decode [(int) buffer [count]] ;
-} /* alaw2d_array */
-
-static inline void
-s2alaw_array (const short *ptr, int count, unsigned char *buffer)
-{ while (--count >= 0)
- { if (ptr [count] >= 0)
- buffer [count] = alaw_encode [ptr [count] / 16] ;
- else
- buffer [count] = 0x7F & alaw_encode [ptr [count] / -16] ;
- } ;
-} /* s2alaw_array */
-
-static inline void
-i2alaw_array (const int *ptr, int count, unsigned char *buffer)
-{ while (--count >= 0)
- { if (ptr [count] >= 0)
- buffer [count] = alaw_encode [ptr [count] >> (16 + 4)] ;
- else
- buffer [count] = 0x7F & alaw_encode [- ptr [count] >> (16 + 4)] ;
- } ;
-} /* i2alaw_array */
-
-static inline void
-f2alaw_array (const float *ptr, int count, unsigned char *buffer, float normfact)
-{ while (--count >= 0)
- { if (ptr [count] >= 0)
- buffer [count] = alaw_encode [lrintf (normfact * ptr [count])] ;
- else
- buffer [count] = 0x7F & alaw_encode [- lrintf (normfact * ptr [count])] ;
- } ;
-} /* f2alaw_array */
-
-static inline void
-d2alaw_array (const double *ptr, int count, unsigned char *buffer, double normfact)
-{ while (--count >= 0)
- { if (ptr [count] >= 0)
- buffer [count] = alaw_encode [lrint (normfact * ptr [count])] ;
- else
- buffer [count] = 0x7F & alaw_encode [- lrint (normfact * ptr [count])] ;
- } ;
-} /* d2alaw_array */
-
-/*==============================================================================
-*/
-
-static sf_count_t
-alaw_read_alaw2s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
-{ int bufferlen, readcount ;
- sf_count_t total = 0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- readcount = psf_fread (psf->u.ucbuf, 1, bufferlen, psf) ;
- alaw2s_array (psf->u.ucbuf, readcount, ptr + total) ;
- total += readcount ;
- if (readcount < bufferlen)
- break ;
- len -= readcount ;
- } ;
-
- return total ;
-} /* alaw_read_alaw2s */
-
-static sf_count_t
-alaw_read_alaw2i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
-{ int bufferlen, readcount ;
- sf_count_t total = 0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- readcount = psf_fread (psf->u.ucbuf, 1, bufferlen, psf) ;
- alaw2i_array (psf->u.ucbuf, readcount, ptr + total) ;
- total += readcount ;
- if (readcount < bufferlen)
- break ;
- len -= readcount ;
- } ;
-
- return total ;
-} /* alaw_read_alaw2i */
-
-static sf_count_t
-alaw_read_alaw2f (SF_PRIVATE *psf, float *ptr, sf_count_t len)
-{ int bufferlen, readcount ;
- sf_count_t total = 0 ;
- float normfact ;
-
- normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x8000) : 1.0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- readcount = psf_fread (psf->u.ucbuf, 1, bufferlen, psf) ;
- alaw2f_array (psf->u.ucbuf, readcount, ptr + total, normfact) ;
- total += readcount ;
- if (readcount < bufferlen)
- break ;
- len -= readcount ;
- } ;
-
- return total ;
-} /* alaw_read_alaw2f */
-
-static sf_count_t
-alaw_read_alaw2d (SF_PRIVATE *psf, double *ptr, sf_count_t len)
-{ int bufferlen, readcount ;
- sf_count_t total = 0 ;
- double normfact ;
-
- normfact = (psf->norm_double) ? 1.0 / ((double) 0x8000) : 1.0 ;
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- readcount = psf_fread (psf->u.ucbuf, 1, bufferlen, psf) ;
- alaw2d_array (psf->u.ucbuf, readcount, ptr + total, normfact) ;
- total += readcount ;
- if (readcount < bufferlen)
- break ;
- len -= readcount ;
- } ;
-
- return total ;
-} /* alaw_read_alaw2d */
-
-/*=============================================================================================
-*/
-
-static sf_count_t
-alaw_write_s2alaw (SF_PRIVATE *psf, const short *ptr, sf_count_t len)
-{ int bufferlen, writecount ;
- sf_count_t total = 0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- s2alaw_array (ptr + total, bufferlen, psf->u.ucbuf) ;
- writecount = psf_fwrite (psf->u.ucbuf, 1, bufferlen, psf) ;
- total += writecount ;
- if (writecount < bufferlen)
- break ;
- len -= writecount ;
- } ;
-
- return total ;
-} /* alaw_write_s2alaw */
-
-static sf_count_t
-alaw_write_i2alaw (SF_PRIVATE *psf, const int *ptr, sf_count_t len)
-{ int bufferlen, writecount ;
- sf_count_t total = 0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- i2alaw_array (ptr + total, bufferlen, psf->u.ucbuf) ;
- writecount = psf_fwrite (psf->u.ucbuf, 1, bufferlen, psf) ;
- total += writecount ;
- if (writecount < bufferlen)
- break ;
- len -= writecount ;
- } ;
-
- return total ;
-} /* alaw_write_i2alaw */
-
-static sf_count_t
-alaw_write_f2alaw (SF_PRIVATE *psf, const float *ptr, sf_count_t len)
-{ int bufferlen, writecount ;
- sf_count_t total = 0 ;
- float normfact ;
-
- normfact = (psf->norm_float == SF_TRUE) ? (1.0 * 0x7FFF) / 16.0 : 1.0 / 16 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- f2alaw_array (ptr + total, bufferlen, psf->u.ucbuf, normfact) ;
- writecount = psf_fwrite (psf->u.ucbuf, 1, bufferlen, psf) ;
- total += writecount ;
- if (writecount < bufferlen)
- break ;
- len -= writecount ;
- } ;
-
- return total ;
-} /* alaw_write_f2alaw */
-
-static sf_count_t
-alaw_write_d2alaw (SF_PRIVATE *psf, const double *ptr, sf_count_t len)
-{ int bufferlen, writecount ;
- sf_count_t total = 0 ;
- double normfact ;
-
- normfact = (psf->norm_double) ? (1.0 * 0x7FFF) / 16.0 : 1.0 / 16.0 ;
-
- bufferlen = ARRAY_LEN (psf->u.ucbuf) ;
-
- while (len > 0)
- { if (len < bufferlen)
- bufferlen = (int) len ;
- d2alaw_array (ptr + total, bufferlen, psf->u.ucbuf, normfact) ;
- writecount = psf_fwrite (psf->u.ucbuf, 1, bufferlen, psf) ;
- total += writecount ;
- if (writecount < bufferlen)
- break ;
- len -= writecount ;
- } ;
-
- return total ;
-} /* alaw_write_d2alaw */
-
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