1 files changed, 0 insertions, 671 deletions

diff --git a/libs/libsndfile/src/dwvw.c b/libs/libsndfile/src/dwvw.c
deleted file mode 100644
index dc9ae774bb..0000000000
--- a/libs/libsndfile/src/dwvw.c
+++ /dev/null
@@ -1,671 +0,0 @@
-/*
-** Copyright (C) 2002-2005 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.
-*/
-
-/*===========================================================================
-** Delta Word Variable Width
-**
-** This decoder and encoder were implemented using information found in this
-** document : http://home.swbell.net/rubywand/R011SNDFMTS.TXT
-**
-** According to the document, the algorithm "was invented 1991 by Magnus
-** Lidstrom and is copyright 1993 by NuEdge Development".
-*/
-
-#include	"sfconfig.h"
-
-#include	<stdio.h>
-#include	<stdlib.h>
-#include	<string.h>
-
-#include	"sndfile.h"
-#include	"sfendian.h"
-#include	"float_cast.h"
-#include	"common.h"
-
-typedef struct
-{	int		dwm_maxsize, bit_width, max_delta, span ;
-	int		samplecount ;
-	int		bit_count, bits, last_delta_width, last_sample ;
-	struct
-	{	int				index, end ;
-		unsigned char	buffer [256] ;
-	} b ;
-} DWVW_PRIVATE ;
-
-/*============================================================================================
-*/
-
-static sf_count_t dwvw_read_s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ;
-static sf_count_t dwvw_read_i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ;
-static sf_count_t dwvw_read_f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ;
-static sf_count_t dwvw_read_d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ;
-
-static sf_count_t dwvw_write_s (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ;
-static sf_count_t dwvw_write_i (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ;
-static sf_count_t dwvw_write_f (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ;
-static sf_count_t dwvw_write_d (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ;
-
-static sf_count_t	dwvw_seek	(SF_PRIVATE *psf, int mode, sf_count_t offset) ;
-static int	dwvw_close	(SF_PRIVATE *psf) ;
-
-static int	dwvw_decode_data (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int *ptr, int len) ;
-static int	dwvw_decode_load_bits (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int bit_count) ;
-
-static int	dwvw_encode_data (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, const int *ptr, int len) ;
-static void dwvw_encode_store_bits (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int data, int new_bits) ;
-static void dwvw_read_reset (DWVW_PRIVATE *pdwvw) ;
-
-/*============================================================================================
-** DWVW initialisation function.
-*/
-
-int
-dwvw_init (SF_PRIVATE *psf, int bitwidth)
-{	DWVW_PRIVATE	*pdwvw ;
-
-	if (psf->fdata != NULL)
-	{	psf_log_printf (psf, "*** psf->fdata is not NULL.\n") ;
-		return SFE_INTERNAL ;
-		} ;
-
-	if (bitwidth > 24)
-		return SFE_DWVW_BAD_BITWIDTH ;
-
-	if (psf->mode == SFM_RDWR)
-		return SFE_BAD_MODE_RW ;
-
-	if ((pdwvw = calloc (1, sizeof (DWVW_PRIVATE))) == NULL)
-		return SFE_MALLOC_FAILED ;
-
-	psf->fdata = (void*) pdwvw ;
-
-	pdwvw->bit_width 	= bitwidth ;
-	pdwvw->dwm_maxsize	= bitwidth / 2 ;
-	pdwvw->max_delta	= 1 << (bitwidth - 1) ;
-	pdwvw->span			= 1 << bitwidth ;
-
-	dwvw_read_reset (pdwvw) ;
-
-	if (psf->mode == SFM_READ)
-	{	psf->read_short		= dwvw_read_s ;
-		psf->read_int		= dwvw_read_i ;
-		psf->read_float		= dwvw_read_f ;
-		psf->read_double	= dwvw_read_d ;
-		} ;
-
-	if (psf->mode == SFM_WRITE)
-	{	psf->write_short	= dwvw_write_s ;
-		psf->write_int		= dwvw_write_i ;
-		psf->write_float	= dwvw_write_f ;
-		psf->write_double	= dwvw_write_d ;
-		} ;
-
-	psf->codec_close = dwvw_close ;
-	psf->seek = dwvw_seek ;
-
-	/* FIXME : This is bogus. */
-	psf->sf.frames = SF_COUNT_MAX ;
-	psf->datalength = psf->sf.frames ;
-	/* EMXIF : This is bogus. */
-
-	return 0 ;
-} /* dwvw_init */
-
-/*--------------------------------------------------------------------------------------------
-*/
-
-static int
-dwvw_close (SF_PRIVATE *psf)
-{	DWVW_PRIVATE *pdwvw ;
-
-	if (psf->fdata == NULL)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	if (psf->mode == SFM_WRITE)
-	{	static int last_values [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } ;
-
-		/* Write 8 zero samples to fully flush output. */
-		dwvw_encode_data (psf, pdwvw, last_values, 12) ;
-
-		/* Write the last buffer worth of data to disk. */
-		psf_fwrite (pdwvw->b.buffer, 1, pdwvw->b.index, psf) ;
-
-		if (psf->write_header)
-			psf->write_header (psf, SF_TRUE) ;
-		} ;
-
-	return 0 ;
-} /* dwvw_close */
-
-static sf_count_t
-dwvw_seek	(SF_PRIVATE *psf, int mode, sf_count_t offset)
-{	DWVW_PRIVATE *pdwvw ;
-
-	mode = mode ;
-
-	if (! psf->fdata)
-	{	psf->error = SFE_INTERNAL ;
-		return PSF_SEEK_ERROR ;
-		} ;
-
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	if (offset == 0)
-	{	psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
-		dwvw_read_reset (pdwvw) ;
-		return 0 ;
-		} ;
-
-	psf->error = SFE_BAD_SEEK ;
-	return	PSF_SEEK_ERROR ;
-} /* dwvw_seek */
-
-
-/*==============================================================================
-*/
-
-static sf_count_t
-dwvw_read_s (SF_PRIVATE *psf, short *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int		*iptr ;
-	int		k, bufferlen, readcount = 0, count ;
-	sf_count_t	total = 0 ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	readcount = (len >= bufferlen) ? bufferlen : len ;
-		count = dwvw_decode_data (psf, pdwvw, iptr, readcount) ;
-		for (k = 0 ; k < readcount ; k++)
-			ptr [total + k] = iptr [k] >> 16 ;
-
-		total += count ;
-		len -= readcount ;
-		if (count != readcount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_read_s */
-
-static sf_count_t
-dwvw_read_i (SF_PRIVATE *psf, int *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int			readcount, count ;
-	sf_count_t	total = 0 ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	while (len > 0)
-	{	readcount = (len > 0x10000000) ? 0x10000000 : (int) len ;
-
-		count = dwvw_decode_data (psf, pdwvw, ptr, readcount) ;
-
-		total += count ;
-		len -= count ;
-
-		if (count != readcount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_read_i */
-
-static sf_count_t
-dwvw_read_f (SF_PRIVATE *psf, float *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int		*iptr ;
-	int		k, bufferlen, readcount = 0, count ;
-	sf_count_t	total = 0 ;
-	float	normfact ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80000000) : 1.0 ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	readcount = (len >= bufferlen) ? bufferlen : len ;
-		count = dwvw_decode_data (psf, pdwvw, iptr, readcount) ;
-		for (k = 0 ; k < readcount ; k++)
-			ptr [total + k] = normfact * (float) (iptr [k]) ;
-
-		total += count ;
-		len -= readcount ;
-		if (count != readcount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_read_f */
-
-static sf_count_t
-dwvw_read_d (SF_PRIVATE *psf, double *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int		*iptr ;
-	int		k, bufferlen, readcount = 0, count ;
-	sf_count_t	total = 0 ;
-	double 	normfact ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80000000) : 1.0 ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	readcount = (len >= bufferlen) ? bufferlen : len ;
-		count = dwvw_decode_data (psf, pdwvw, iptr, readcount) ;
-		for (k = 0 ; k < readcount ; k++)
-			ptr [total + k] = normfact * (double) (iptr [k]) ;
-
-		total += count ;
-		len -= readcount ;
-		if (count != readcount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_read_d */
-
-static int
-dwvw_decode_data (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int *ptr, int len)
-{	int	count ;
-	int delta_width_modifier, delta_width, delta_negative, delta, sample ;
-
-	/* Restore state from last decode call. */
-	delta_width = pdwvw->last_delta_width ;
-	sample = pdwvw->last_sample ;
-
-	for (count = 0 ; count < len ; count++)
-	{	/* If bit_count parameter is zero get the delta_width_modifier. */
-		delta_width_modifier = dwvw_decode_load_bits (psf, pdwvw, -1) ;
-
-		/* Check for end of input bit stream. Break loop if end. */
-		if (delta_width_modifier < 0)
-			break ;
-
-		if (delta_width_modifier && dwvw_decode_load_bits (psf, pdwvw, 1))
-			delta_width_modifier = - delta_width_modifier ;
-
-		/* Calculate the current word width. */
-		delta_width = (delta_width + delta_width_modifier + pdwvw->bit_width) % pdwvw->bit_width ;
-
-		/* Load the delta. */
-		delta = 0 ;
-		if (delta_width)
-		{	delta = dwvw_decode_load_bits (psf, pdwvw, delta_width - 1) | (1 << (delta_width - 1)) ;
-			delta_negative = dwvw_decode_load_bits (psf, pdwvw, 1) ;
-			if (delta == pdwvw->max_delta - 1)
-				delta += dwvw_decode_load_bits (psf, pdwvw, 1) ;
-			if (delta_negative)
-				delta = -delta ;
-			} ;
-
-		/* Calculate the sample */
-		sample += delta ;
-
-		if (sample >= pdwvw->max_delta)
-			sample -= pdwvw->span ;
-		else if (sample < - pdwvw->max_delta)
-			sample += pdwvw->span ;
-
-		/* Store the sample justifying to the most significant bit. */
-		ptr [count] = sample << (32 - pdwvw->bit_width) ;
-
-		if (pdwvw->b.end == 0 && pdwvw->bit_count == 0)
-			break ;
-		} ;
-
-	pdwvw->last_delta_width = delta_width ;
-	pdwvw->last_sample = sample ;
-
-	pdwvw->samplecount += count ;
-
-	return count ;
-} /* dwvw_decode_data */
-
-static int
-dwvw_decode_load_bits (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int bit_count)
-{	int output = 0, get_dwm = SF_FALSE ;
-
-	/*
-	**	Depending on the value of parameter bit_count, either get the
-	**	required number of bits (ie bit_count > 0) or the
-	**	delta_width_modifier (otherwise).
-	*/
-
-	if (bit_count < 0)
-	{	get_dwm = SF_TRUE ;
-		/* modify bit_count to ensure we have enought bits for finding dwm. */
-		bit_count = pdwvw->dwm_maxsize ;
-		} ;
-
-	/* Load bits in bit reseviour. */
-	while (pdwvw->bit_count < bit_count)
-	{	if (pdwvw->b.index >= pdwvw->b.end)
-		{	pdwvw->b.end = psf_fread (pdwvw->b.buffer, 1, sizeof (pdwvw->b.buffer), psf) ;
-			pdwvw->b.index = 0 ;
-			} ;
-
-		/* Check for end of input stream. */
-		if (bit_count < 8 && pdwvw->b.end == 0)
-			return -1 ;
-
-		pdwvw->bits = (pdwvw->bits << 8) ;
-
-		if (pdwvw->b.index < pdwvw->b.end)
-		{	pdwvw->bits |= pdwvw->b.buffer [pdwvw->b.index] ;
-			pdwvw->b.index ++ ;
-			} ;
-		pdwvw->bit_count += 8 ;
-		} ;
-
-	/* If asked to get bits do so. */
-	if (! get_dwm)
-	{	output = (pdwvw->bits >> (pdwvw->bit_count - bit_count)) & ((1 << bit_count) - 1) ;
-		pdwvw->bit_count -= bit_count ;
-		return output ;
-		} ;
-
-	/* Otherwise must have been asked to get delta_width_modifier. */
-	while (output < (pdwvw->dwm_maxsize))
-	{	pdwvw->bit_count -= 1 ;
-		if (pdwvw->bits & (1 << pdwvw->bit_count))
-			break ;
-		output += 1 ;
-		} ;
-
-	return output ;
-} /* dwvw_decode_load_bits */
-
-static void
-dwvw_read_reset (DWVW_PRIVATE *pdwvw)
-{	pdwvw->samplecount		= 0 ;
-	pdwvw->b.index			= 0 ;
-	pdwvw->b.end			= 0 ;
-	pdwvw->bit_count		= 0 ;
-	pdwvw->bits				= 0 ;
-	pdwvw->last_delta_width = 0 ;
-	pdwvw->last_sample		= 0 ;
-} /* dwvw_read_reset */
-
-static void
-dwvw_encode_store_bits (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, int data, int new_bits)
-{	int 	byte ;
-
-	/* Shift the bits into the resevoir. */
-	pdwvw->bits = (pdwvw->bits << new_bits) | (data & ((1 << new_bits) - 1)) ;
-	pdwvw->bit_count += new_bits ;
-
-	/* Transfer bit to buffer. */
-	while (pdwvw->bit_count >= 8)
-	{	byte = pdwvw->bits >> (pdwvw->bit_count - 	8) ;
-		pdwvw->bit_count -= 8 ;
-		pdwvw->b.buffer [pdwvw->b.index] = byte & 0xFF ;
-		pdwvw->b.index ++ ;
-		} ;
-
-	if (pdwvw->b.index > SIGNED_SIZEOF (pdwvw->b.buffer) - 4)
-	{	psf_fwrite (pdwvw->b.buffer, 1, pdwvw->b.index, psf) ;
-		pdwvw->b.index = 0 ;
-		} ;
-
-	return ;
-} /* dwvw_encode_store_bits */
-
-#if 0
-/* Debigging routine. */
-static void
-dump_bits (DWVW_PRIVATE *pdwvw)
-{	int k, mask ;
-
-	for (k = 0 ; k < 10 && k < pdwvw->b.index ; k++)
-	{	mask = 0x80 ;
-		while (mask)
-		{	putchar (mask & pdwvw->b.buffer [k] ? '1' : '0') ;
-			mask >>= 1 ;
-			} ;
-		putchar (' ') ;
-		}
-
-	for (k = pdwvw->bit_count - 1 ; k >= 0 ; k --)
-		putchar (pdwvw->bits & (1 << k) ? '1' : '0') ;
-
-	putchar ('\n') ;
-} /* dump_bits */
-#endif
-
-#define HIGHEST_BIT(x,count)		\
-			{	int y = x ;			\
-				(count) = 0 ;	 	\
-				while (y)			\
-				{	(count) ++ ;	\
-					y >>= 1 ;		\
-					} ;				\
-				} ;
-
-static int
-dwvw_encode_data (SF_PRIVATE *psf, DWVW_PRIVATE *pdwvw, const int *ptr, int len)
-{	int	count ;
-	int delta_width_modifier, delta, delta_negative, delta_width, extra_bit ;
-
-	for (count = 0 ; count < len ; count++)
-	{	delta = (ptr [count] >> (32 - pdwvw->bit_width)) - pdwvw->last_sample ;
-
-		/* Calculate extra_bit if needed. */
-		extra_bit = -1 ;
-		delta_negative = 0 ;
-		if (delta < -pdwvw->max_delta)
-			delta = pdwvw->max_delta + (delta % pdwvw->max_delta) ;
-		else if (delta == -pdwvw->max_delta)
-		{	extra_bit = 1 ;
-			delta_negative = 1 ;
-			delta = pdwvw->max_delta - 1 ;
-			}
-		else if (delta > pdwvw->max_delta)
-		{	delta_negative = 1 ;
-			delta = pdwvw->span - delta ;
-			delta = abs (delta) ;
-			}
-		else if (delta == pdwvw->max_delta)
-		{	extra_bit = 1 ;
-			delta = pdwvw->max_delta - 1 ;
-			}
-		else if (delta < 0)
-		{	delta_negative = 1 ;
-			delta = abs (delta) ;
-			} ;
-
-		if (delta == pdwvw->max_delta - 1 && extra_bit == -1)
-			extra_bit = 0 ;
-
-		/* Find width in bits of delta */
-		HIGHEST_BIT (delta, delta_width) ;
-
-		/* Calculate the delta_width_modifier */
-		delta_width_modifier = (delta_width - pdwvw->last_delta_width) % pdwvw->bit_width ;
-		if (delta_width_modifier > pdwvw->dwm_maxsize)
-			delta_width_modifier -= pdwvw->bit_width ;
-		if (delta_width_modifier < -pdwvw->dwm_maxsize)
-			delta_width_modifier += pdwvw->bit_width ;
-
-		/* Write delta_width_modifier zeros, followed by terminating '1'. */
-		dwvw_encode_store_bits (psf, pdwvw, 0, abs (delta_width_modifier)) ;
-		if (abs (delta_width_modifier) != pdwvw->dwm_maxsize)
-			dwvw_encode_store_bits (psf, pdwvw, 1, 1) ;
-
-		/*  Write delta_width_modifier sign. */
-		if (delta_width_modifier < 0)
-			dwvw_encode_store_bits (psf, pdwvw, 1, 1) ;
-		if (delta_width_modifier > 0)
-			dwvw_encode_store_bits (psf, pdwvw, 0, 1) ;
-
-		/* Write delta and delta sign bit. */
-		if (delta_width)
-		{	dwvw_encode_store_bits (psf, pdwvw, delta, abs (delta_width) - 1) ;
-			dwvw_encode_store_bits (psf, pdwvw, (delta_negative ? 1 : 0), 1) ;
-			} ;
-
-		/* Write extra bit!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */
-		if (extra_bit >= 0)
-			dwvw_encode_store_bits (psf, pdwvw, extra_bit, 1) ;
-
-		pdwvw->last_sample = ptr [count] >> (32 - pdwvw->bit_width) ;
-		pdwvw->last_delta_width = delta_width ;
-		} ;
-
-	pdwvw->samplecount += count ;
-
-	return count ;
-} /* dwvw_encode_data */
-
-static sf_count_t
-dwvw_write_s (SF_PRIVATE *psf, const short *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int		*iptr ;
-	int		k, bufferlen, writecount = 0, count ;
-	sf_count_t	total = 0 ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	writecount = (len >= bufferlen) ? bufferlen : len ;
-		for (k = 0 ; k < writecount ; k++)
-			iptr [k] = ptr [total + k] << 16 ;
-		count = dwvw_encode_data (psf, pdwvw, iptr, writecount) ;
-
-		total += count ;
-		len -= writecount ;
-		if (count != writecount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_write_s */
-
-static sf_count_t
-dwvw_write_i (SF_PRIVATE *psf, const int *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int			writecount, count ;
-	sf_count_t	total = 0 ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	while (len > 0)
-	{	writecount = (len > 0x10000000) ? 0x10000000 : (int) len ;
-
-		count = dwvw_encode_data (psf, pdwvw, ptr, writecount) ;
-
-		total += count ;
-		len -= count ;
-
-		if (count != writecount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_write_i */
-
-static sf_count_t
-dwvw_write_f (SF_PRIVATE *psf, const float *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int			*iptr ;
-	int			k, bufferlen, writecount = 0, count ;
-	sf_count_t	total = 0 ;
-	float		normfact ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	normfact = (psf->norm_float == SF_TRUE) ? (1.0 * 0x7FFFFFFF) : 1.0 ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	writecount = (len >= bufferlen) ? bufferlen : len ;
-		for (k = 0 ; k < writecount ; k++)
-			iptr [k] = lrintf (normfact * ptr [total + k]) ;
-		count = dwvw_encode_data (psf, pdwvw, iptr, writecount) ;
-
-		total += count ;
-		len -= writecount ;
-		if (count != writecount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_write_f */
-
-static sf_count_t
-dwvw_write_d (SF_PRIVATE *psf, const double *ptr, sf_count_t len)
-{	DWVW_PRIVATE *pdwvw ;
-	int			*iptr ;
-	int			k, bufferlen, writecount = 0, count ;
-	sf_count_t	total = 0 ;
-	double 		normfact ;
-
-	if (! psf->fdata)
-		return 0 ;
-	pdwvw = (DWVW_PRIVATE*) psf->fdata ;
-
-	normfact = (psf->norm_double == SF_TRUE) ? (1.0 * 0x7FFFFFFF) : 1.0 ;
-
-	iptr = psf->u.ibuf ;
-	bufferlen = ARRAY_LEN (psf->u.ibuf) ;
-	while (len > 0)
-	{	writecount = (len >= bufferlen) ? bufferlen : len ;
-		for (k = 0 ; k < writecount ; k++)
-			iptr [k] = lrint (normfact * ptr [total + k]) ;
-		count = dwvw_encode_data (psf, pdwvw, iptr, writecount) ;
-
-		total += count ;
-		len -= writecount ;
-		if (count != writecount)
-			break ;
-		} ;
-
-	return total ;
-} /* dwvw_write_d */
-
-/*
-** Do not edit or modify anything in this comment block.
-** The arch-tag line is a file identity tag for the GNU Arch 
-** revision control system.
-**
-** arch-tag: 1ca09552-b01f-4d7f-9bcf-612f834fe41d
-*/