ref: 3a0e440fef1a9834cd377512485c407ec0213bce
dir: /common/libsndfile/src/pcm.c/
/*
** Copyright (C) 1999-2000 Erik de Castro Lopo <erikd@zip.com.au>
**
** 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 <unistd.h>
#include "config.h"
#include "sndfile.h"
#include "common.h"
#include "sfendian.h"
#include "pcm.h"
/* Important!!! Do not assume that sizeof (tribyte) == 3. Some compilers
** (Metrowerks CodeWarrior for Mac is one) pad the struct with an extra byte.
*/
typedef struct
{ char bytes [3] ;
} tribyte ;
static void sc2s_array (signed char *buffer, unsigned int count, short *ptr, int index) ;
static void uc2s_array (unsigned char *buffer, unsigned int count, short *ptr, int index) ;
static void bet2s_array (tribyte *buffer, unsigned int count, short *ptr, int index) ;
static void let2s_array (tribyte *buffer, unsigned int count, short *ptr, int index) ;
static void bei2s_array (int *buffer, unsigned int count, short *ptr, int index) ;
static void lei2s_array (int *buffer, unsigned int count, short *ptr, int index) ;
static void f2s_array (float *buffer, unsigned int count, short *ptr, int index) ;
static void sc2i_array (signed char *buffer, unsigned int count, int *ptr, int index) ;
static void uc2i_array (unsigned char *buffer, unsigned int count, int *ptr, int index) ;
static void bes2i_array (short *buffer, unsigned int count, int *ptr, int index) ;
static void les2i_array (short *buffer, unsigned int count, int *ptr, int index) ;
static void bet2i_array (tribyte *buffer, unsigned int count, int *ptr, int index) ;
static void let2i_array (tribyte *buffer, unsigned int count, int *ptr, int index) ;
static void f2i_array (float *buffer, unsigned int count, int *ptr, int index) ;
static void sc2d_array (signed char *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void uc2d_array (unsigned char *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void bes2d_array (short *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void les2d_array (short *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void bet2d_array (tribyte *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void let2d_array (tribyte *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void bei2d_array (int *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void lei2d_array (int *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void f2d_array (float *buffer, unsigned int count, double *ptr, int index, double normfact) ;
static void s2sc_array (short *ptr, int index, signed char *buffer, unsigned int count) ;
static void s2uc_array (short *ptr, int index, unsigned char *buffer, unsigned int count) ;
static void s2bet_array (short *ptr, int index, tribyte *buffer, unsigned int count) ;
static void s2let_array (short *ptr, int index, tribyte *buffer, unsigned int count) ;
static void s2bei_array (short *ptr, int index, int *buffer, unsigned int count) ;
static void s2lei_array (short *ptr, int index, int *buffer, unsigned int count) ;
static void s2f_array (short *ptr, int index, float *buffer, unsigned int count) ;
static void i2sc_array (int *ptr, int index, signed char *buffer, unsigned int count) ;
static void i2uc_array (int *ptr, int index, unsigned char *buffer, unsigned int count) ;
static void i2bes_array (int *ptr, int index, short *buffer, unsigned int count) ;
static void i2les_array (int *ptr, int index, short *buffer, unsigned int count) ;
static void i2bet_array (int *ptr, int index, tribyte *buffer, unsigned int count) ;
static void i2let_array (int *ptr, int index, tribyte *buffer, unsigned int count) ;
static void i2f_array (int *ptr, int index, float *buffer, unsigned int count) ;
static void d2sc_array (double *ptr, int index, signed char *buffer, unsigned int count, double normfact) ;
static void d2uc_array (double *ptr, int index, unsigned char *buffer, unsigned int count, double normfact) ;
static void d2bes_array (double *ptr, int index, short *buffer, unsigned int count, double normfact) ;
static void d2les_array (double *ptr, int index, short *buffer, unsigned int count, double normfact) ;
static void d2bet_array (double *ptr, int index, tribyte *buffer, unsigned int count, double normfact) ;
static void d2let_array (double *ptr, int index, tribyte *buffer, unsigned int count, double normfact) ;
static void d2bei_array (double *ptr, int index, int *buffer, unsigned int count, double normfact) ;
static void d2lei_array (double *ptr, int index, int *buffer, unsigned int count, double normfact) ;
static void d2f_array (double *ptr, int index, float *buffer, unsigned int count, double normfact) ;
/*-----------------------------------------------------------------------------------------------
*/
int pcm_read_sc2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
sc2s_array ((signed char*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_sc2s */
int pcm_read_uc2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
uc2s_array ((unsigned char*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_uc2s */
int pcm_read_bes2s (SF_PRIVATE *psf, short *ptr, int len)
{ int total ;
total = fread (ptr, 1, len * sizeof (short), psf->file) ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_short_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bes2s */
int pcm_read_les2s (SF_PRIVATE *psf, short *ptr, int len)
{ int total ;
total = fread (ptr, 1, len * sizeof (short), psf->file) ;
if (CPU_IS_BIG_ENDIAN)
endswap_short_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_les2s */
int pcm_read_bet2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bet2s_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bet2s */
int pcm_read_let2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
let2s_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_let2s */
int pcm_read_bei2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bei2s_array ((int*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bei2s */
int pcm_read_lei2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
lei2s_array ((int*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_lei2s */
int pcm_read_f2s (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
f2s_array ((float*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_f2s */
/*-----------------------------------------------------------------------------------------------
*/
int pcm_read_sc2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
sc2i_array ((signed char*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_sc2i */
int pcm_read_uc2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
uc2i_array ((unsigned char*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_uc2i */
int pcm_read_bes2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bes2i_array ((short*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bes2i */
int pcm_read_les2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
les2i_array ((short*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_les2i */
int pcm_read_bet2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bet2i_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bet2i */
int pcm_read_let2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
let2i_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_let2i */
int pcm_read_bei2i (SF_PRIVATE *psf, int *ptr, int len)
{ int total ;
total = fread (ptr, 1, len * sizeof (int), psf->file) ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_int_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bei2i */
int pcm_read_lei2i (SF_PRIVATE *psf, int *ptr, int len)
{ int total ;
total = fread (ptr, 1, len * sizeof (int), psf->file) ;
if (CPU_IS_BIG_ENDIAN)
endswap_int_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_lei2i */
int pcm_read_f2i (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
f2i_array ((float*) (psf->buffer), thisread / psf->bytewidth, ptr, index) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_f2i */
/*-----------------------------------------------------------------------------------------------
*/
int pcm_read_sc2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x80) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
sc2d_array ((signed char*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_sc2d */
int pcm_read_uc2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x80) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
uc2d_array ((unsigned char*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_uc2d */
int pcm_read_bes2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x8000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bes2d_array ((short*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bes2d */
int pcm_read_les2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x8000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
les2d_array ((short*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_les2d */
int pcm_read_bet2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x800000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bet2d_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bet2d */
int pcm_read_let2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x800000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
let2d_array ((tribyte*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_let2d */
int pcm_read_bei2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x80000000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
bei2d_array ((int*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_bei2d */
int pcm_read_lei2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? 1.0 / ((double) 0x80000000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
lei2d_array ((int*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_lei2d */
int pcm_read_f2d (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int readcount, thisread ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = normalize ? 1.0 : 1.0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ readcount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
thisread = fread (psf->buffer, 1, readcount, psf->file) ;
f2d_array ((float*) (psf->buffer), thisread / psf->bytewidth, ptr, index, normfact) ;
total += thisread ;
if (thisread < readcount)
break ;
index += thisread / psf->bytewidth ;
bytecount -= thisread ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_READ ;
return total ;
} /* pcm_read_f2d */
/*===============================================================================================
*-----------------------------------------------------------------------------------------------
*===============================================================================================
*/
int pcm_write_s2sc (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2sc_array (ptr, index, (signed char*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2sc */
int pcm_write_s2uc (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2uc_array (ptr, index, (unsigned char*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2uc */
int pcm_write_s2bes (SF_PRIVATE *psf, short *ptr, int len)
{ int total ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_short_array (ptr, len) ;
total = fwrite (ptr, 1, len * sizeof (short), psf->file) ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_short_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2bes */
int pcm_write_s2les (SF_PRIVATE *psf, short *ptr, int len)
{ int total ;
if (CPU_IS_BIG_ENDIAN)
endswap_short_array (ptr, len) ;
total = fwrite (ptr, 1, len * sizeof (short), psf->file) ;
if (CPU_IS_BIG_ENDIAN)
endswap_short_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2les */
int pcm_write_s2bet (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2bet_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2bet */
int pcm_write_s2let (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2let_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2let */
int pcm_write_s2bei (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2bei_array (ptr, index, (int*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2bei */
int pcm_write_s2lei (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2lei_array (ptr, index, (int*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2lei */
int pcm_write_s2f (SF_PRIVATE *psf, short *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
s2f_array (ptr, index, (float*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_s2f */
/*-----------------------------------------------------------------------------------------------
*/
int pcm_write_i2sc (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2sc_array (ptr, index, (signed char*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2sc */
int pcm_write_i2uc (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2uc_array (ptr, index, (unsigned char*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2uc */
int pcm_write_i2bes (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2bes_array (ptr, index, (short*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2bes */
int pcm_write_i2les (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2les_array (ptr, index, (short*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2les */
int pcm_write_i2bet (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2bet_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2bet */
int pcm_write_i2let (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2let_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2les */
int pcm_write_i2bei (SF_PRIVATE *psf, int *ptr, int len)
{ int total ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_int_array (ptr, len) ;
total = fwrite (ptr, 1, len * sizeof (int), psf->file) ;
if (CPU_IS_LITTLE_ENDIAN)
endswap_int_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2bei */
int pcm_write_i2lei (SF_PRIVATE *psf, int *ptr, int len)
{ int total ;
if (CPU_IS_BIG_ENDIAN)
endswap_int_array (ptr, len) ;
total = fwrite (ptr, 1, len * sizeof (int), psf->file) ;
if (CPU_IS_BIG_ENDIAN)
endswap_int_array (ptr, len) ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2lei */
int pcm_write_i2f (SF_PRIVATE *psf, int *ptr, int len)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
i2f_array (ptr, index, (float*) (psf->buffer), writecount / psf->bytewidth) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_i2f */
/*-----------------------------------------------------------------------------------------------
*/
int pcm_write_d2sc (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x80) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2sc_array (ptr, index, (signed char*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2sc */
int pcm_write_d2uc (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x80) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2uc_array (ptr, index, (unsigned char*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2uc */
int pcm_write_d2bes (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x8000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2bes_array (ptr, index, (short*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2bes */
int pcm_write_d2les (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x8000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2les_array (ptr, index, (short*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2les */
int pcm_write_d2let (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x800000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2let_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2les */
int pcm_write_d2bet (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x800000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2bet_array (ptr, index, (tribyte*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2bes */
int pcm_write_d2bei (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x80000000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2bei_array (ptr, index, (int*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2bei */
int pcm_write_d2lei (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize ? ((double) 0x80000000) : 1.0) ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2lei_array (ptr, index, (int*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2lei */
int pcm_write_d2f (SF_PRIVATE *psf, double *ptr, int len, int normalize)
{ unsigned int writecount, thiswrite ;
int bytecount, bufferlen ;
int index = 0, total = 0 ;
double normfact ;
normfact = (normalize) ? 1.0 : 1.0 ;
bufferlen = SF_BUFFER_LEN - (SF_BUFFER_LEN % psf->blockwidth) ;
bytecount = len * psf->bytewidth ;
while (bytecount > 0)
{ writecount = (bytecount >= bufferlen) ? bufferlen : bytecount ;
d2f_array (ptr, index, (float*) (psf->buffer), writecount / psf->bytewidth, normfact) ;
thiswrite = fwrite (psf->buffer, 1, writecount, psf->file) ;
total += thiswrite ;
if (thiswrite < writecount)
break ;
index += thiswrite / psf->bytewidth ;
bytecount -= thiswrite ;
} ;
total /= psf->bytewidth ;
if (total < len)
psf->error = SFE_SHORT_WRITE ;
return total ;
} /* pcm_write_d2f */
/*-----------------------------------------------------------------------------------------------
*/
static
void sc2s_array (signed char *buffer, unsigned int count, short *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((short) buffer [k]) ;
index ++ ;
} ;
} /* sc2s_array */
static
void uc2s_array (unsigned char *buffer, unsigned int count, short *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((((short) buffer [k]) - 128) % 256) ;
index ++ ;
} ;
} /* uc2s_array */
static
void bet2s_array (tribyte *buffer, unsigned int count, short *ptr, int index)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 24) | (cptr [1] << 16) | (cptr [2] << 8) ;
value = BE2H_INT (value) ;
ptr [index] = (short) (value >> 16) ;
index ++ ;
cptr += 3 ;
} ;
} /* bet2s_array */
static
void let2s_array (tribyte *buffer, unsigned int count, short *ptr, int index)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 8) | (cptr [1] << 16) | (cptr [2] << 24) ;
value = LE2H_INT (value) ;
ptr [index] = (short) (value >> 16) ;
index ++ ;
cptr += 3 ;
} ;
} /* let2s_array */
static
void bei2s_array (int *buffer, unsigned int count, short *ptr, int index)
{ int k ;
int value ;
for (k = 0 ; k < count ; k++)
{ value = BE2H_INT (buffer [k]) ;
ptr [index] = (short) (value >> 16) ;
index ++ ;
} ;
} /* bei2s_array */
static
void lei2s_array (int *buffer, unsigned int count, short *ptr, int index)
{ int k ;
int value ;
for (k = 0 ; k < count ; k++)
{ value = LE2H_INT (buffer [k]) ;
ptr [index] = (short) (value >> 16) ;
index ++ ;
} ;
} /* lei2s_array */
static
void f2s_array (float *buffer, unsigned int count, short *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((double) buffer [k]) ;
index ++ ;
} ;
} /* f2s_array */
/*-----------------------------------------------------------------------------------------------
*/
static
void sc2i_array (signed char *buffer, unsigned int count, int *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((int) buffer [k]) ;
index ++ ;
} ;
} /* sc2i_array */
static
void uc2i_array (unsigned char *buffer, unsigned int count, int *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((((int) buffer [k]) - 128) % 256) ;
index ++ ;
} ;
} /* uc2i_array */
static
void bes2i_array (short *buffer, unsigned int count, int *ptr, int index)
{ int k ;
short value ;
for (k = 0 ; k < count ; k++)
{ value = BE2H_SHORT (buffer [k]) ;
ptr [index] = ((int) value) ;
index ++ ;
} ;
} /* bes2i_array */
static
void les2i_array (short *buffer, unsigned int count, int *ptr, int index)
{ int k ;
short value ;
for (k = 0 ; k < count ; k++)
{ value = LE2H_SHORT (buffer [k]) ;
ptr [index] = ((int) value) ;
index ++ ;
} ;
} /* les2i_array */
static
void bet2i_array (tribyte *buffer, unsigned int count, int *ptr, int index)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 24) | (cptr [1] << 16) | (cptr [2] << 8) ;
ptr [index] = value / 256 ;
index ++ ;
cptr += 3 ;
} ;
} /* bet2i_array */
static
void let2i_array (tribyte *buffer, unsigned int count, int *ptr, int index)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 8) | (cptr [1] << 16) | (cptr [2] << 24) ;
ptr [index] = value / 256 ;
index ++ ;
cptr += 3 ;
} ;
} /* let2i_array */
static
void f2i_array (float *buffer, unsigned int count, int *ptr, int index)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = (int) ((double) buffer [k]) ;
index ++ ;
} ;
} /* f2i_array */
/*-----------------------------------------------------------------------------------------------
*/
static
void sc2d_array (signed char *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((double) buffer [k]) * normfact ;
index ++ ;
} ;
} /* sc2d_array */
static
void uc2d_array (unsigned char *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((((int) buffer [k]) - 128) % 256) * normfact ;
index ++ ;
} ;
} /* uc2d_array */
static
void bes2d_array (short *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
short value ;
for (k = 0 ; k < count ; k++)
{ value = BE2H_SHORT (buffer [k]) ;
ptr [index] = ((double) value) * normfact ;
index ++ ;
} ;
} /* bes2d_array */
static
void les2d_array (short *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
short value ;
for (k = 0 ; k < count ; k++)
{ value = LE2H_SHORT (buffer [k]) ;
ptr [index] = ((double) value) * normfact ;
index ++ ;
} ;
} /* les2d_array */
static
void bet2d_array (tribyte *buffer, unsigned int count, double *ptr, int index, double normfact)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 24) | (cptr [1] << 16) | (cptr [2] << 8) ;
ptr [index] = ((double) (value / 256)) * normfact ;
index ++ ;
cptr += 3 ;
} ;
} /* bet2d_array */
static
void let2d_array (tribyte *buffer, unsigned int count, double *ptr, int index, double normfact)
{ unsigned char *cptr ;
int k ;
int value;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (cptr [0] << 8) | (cptr [1] << 16) | (cptr [2] << 24) ;
ptr [index] = ((double) (value / 256)) * normfact ;
index ++ ;
cptr += 3 ;
} ;
} /* let2d_array */
static
void bei2d_array (int *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
int value ;
for (k = 0 ; k < count ; k++)
{ value = BE2H_INT (buffer [k]) ;
ptr [index] = ((double) value) * normfact ;
index ++ ;
} ;
} /* bei2d_array */
static
void lei2d_array (int *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
int value ;
for (k = 0 ; k < count ; k++)
{ value = LE2H_INT (buffer [k]) ;
ptr [index] = ((double) value) * normfact ;
index ++ ;
} ;
} /* lei2d_array */
static
void f2d_array (float *buffer, unsigned int count, double *ptr, int index, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ ptr [index] = ((double) buffer [k]) * normfact ;
index ++ ;
} ;
} /* f2d_array */
/*-----------------------------------------------------------------------------------------------
*/
static
void s2sc_array (short *ptr, int index, signed char *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (signed char) (ptr [index]) ;
index ++ ;
} ;
} /* s2sc_array */
static
void s2uc_array (short *ptr, int index, unsigned char *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (unsigned char) (ptr [index] + 128) ;
index ++ ;
} ;
} /* s2uc_array */
static
void s2bet_array (short *ptr, int index, tribyte *buffer, unsigned int count)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = ptr [index] << 8 ;
cptr [2] = (unsigned char) (value & 0xFF) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [0] = (unsigned char) ((value >> 16) & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* s2bet_array */
static
void s2let_array (short *ptr, int index, tribyte *buffer, unsigned int count)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = ptr [index] << 8 ;
cptr [0] = (unsigned char) (value & 0xFF) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [2] = (unsigned char) ((value >> 16) & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* s2let_array */
static
void s2bei_array (short *ptr, int index, int *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2BE_INT (ptr [index] << 16) ;
index ++ ;
} ;
} /* s2lei_array */
static
void s2lei_array (short *ptr, int index, int *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2LE_INT (ptr [index] << 16) ;
index ++ ;
} ;
} /* s2lei_array */
static
void s2f_array (short *ptr, int index, float *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (float) (ptr [index]) ;
index ++ ;
} ;
} /* s2f_array */
/*-----------------------------------------------------------------------------------------------
*/
static
void i2sc_array (int *ptr, int index, signed char *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (signed char) (ptr [index]) ;
index ++ ;
} ;
} /* i2sc_array */
static
void i2uc_array (int *ptr, int index, unsigned char *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (unsigned char) (ptr [index] + 128) ;
index ++ ;
} ;
} /* i2uc_array */
static
void i2bes_array (int *ptr, int index, short *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2BE_SHORT (ptr [index]) ;
index ++ ;
} ;
} /* i2bes_array */
static
void i2les_array (int *ptr, int index, short *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2LE_SHORT (ptr [index]) ;
index ++ ;
} ;
} /* i2les_array */
static
void i2bet_array (int *ptr, int index, tribyte *buffer, unsigned int count)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = ptr [index] ;
cptr [0] = (unsigned char) ((value & 0xFF0000) >> 16) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [2] = (unsigned char) (value & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* i2bet_array */
static
void i2let_array (int *ptr, int index, tribyte *buffer, unsigned int count)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = ptr [index] ;
cptr [0] = (unsigned char) (value & 0xFF) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [2] = (unsigned char) ((value >> 16) & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* i2let_array */
static
void i2f_array (int *ptr, int index, float *buffer, unsigned int count)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (float) (ptr [index]) ;
index ++ ;
} ;
} /* i2f_array */
/*-----------------------------------------------------------------------------------------------
*/
static
void d2sc_array (double *ptr, int index, signed char *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (signed char) (ptr [index] * normfact) ;
index ++ ;
} ;
} /* d2sc_array */
static
void d2uc_array (double *ptr, int index, unsigned char *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (unsigned char) ((ptr [index] * normfact) + 128) ;
index ++ ;
} ;
} /* d2uc_array */
static
void d2bes_array (double *ptr, int index, short *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2BE_SHORT ((int) (ptr [index] * normfact)) ;
index ++ ;
} ;
} /* d2bes_array */
static
void d2les_array (double *ptr, int index, short *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2LE_SHORT ((int) (ptr [index] * normfact)) ;
index ++ ;
} ;
} /* d2les_array */
static
void d2bet_array (double *ptr, int index, tribyte *buffer, unsigned int count, double normfact)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (int) (ptr [index] * normfact) ;
cptr [2] = (unsigned char) (value & 0xFF) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [0] = (unsigned char) ((value >> 16) & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* d2bet_array */
static
void d2let_array (double *ptr, int index, tribyte *buffer, unsigned int count, double normfact)
{ unsigned char *cptr ;
int k, value ;
cptr = (unsigned char*) buffer ;
for (k = 0 ; k < count ; k++)
{ value = (int) (ptr [index] * normfact) ;
cptr [0] = (unsigned char) (value & 0xFF) ;
cptr [1] = (unsigned char) ((value >> 8) & 0xFF) ;
cptr [2] = (unsigned char) ((value >> 16) & 0xFF) ;
index ++ ;
cptr += 3 ;
} ;
} /* d2let_array */
static
void d2bei_array (double *ptr, int index, int *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2BE_INT ((int) (ptr [index] * normfact)) ;
index ++ ;
} ;
} /* d2bei_array */
static
void d2lei_array (double *ptr, int index, int *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = H2LE_INT ((int) (ptr [index] * normfact)) ;
index ++ ;
} ;
} /* d2lei_array */
static
void d2f_array (double *ptr, int index, float *buffer, unsigned int count, double normfact)
{ int k ;
for (k = 0 ; k < count ; k++)
{ buffer [k] = (float) (ptr [index] * normfact) ;
index ++ ;
} ;
} /* d2f_array */