diff --git a/jni/libsndfile-1.0.25/src/dwd.c b/jni/libsndfile-1.0.25/src/dwd.c
new file mode 100644
index 0000000..fba7b0c
--- /dev/null
+++ b/jni/libsndfile-1.0.25/src/dwd.c
@@ -0,0 +1,200 @@
+/*
+** Copyright (C) 2002-2011 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	<stdio.h>
+#include	<fcntl.h>
+#include	<string.h>
+#include	<ctype.h>
+
+#include	"sndfile.h"
+#include	"sfendian.h"
+#include	"common.h"
+
+#if (ENABLE_EXPERIMENTAL_CODE == 0)
+
+int
+dwd_open	(SF_PRIVATE *psf)
+{	if (psf)
+		return SFE_UNIMPLEMENTED ;
+	return 0 ;
+} /* dwd_open */
+
+#else
+
+/*------------------------------------------------------------------------------
+** Macros to handle big/little endian issues.
+*/
+
+#define SFE_DWD_NO_DWD			1666
+#define SFE_DWD_BAND_BIT_WIDTH 	1667
+#define SFE_DWD_COMPRESSION		1668
+
+#define	DWD_IDENTIFIER		"DiamondWare Digitized\n\0\x1a"
+#define	DWD_IDENTIFIER_LEN	24
+
+#define	DWD_HEADER_LEN		57
+
+/*------------------------------------------------------------------------------
+** Typedefs.
+*/
+
+/*------------------------------------------------------------------------------
+** Private static functions.
+*/
+
+static int	dwd_read_header (SF_PRIVATE *psf) ;
+
+static int	dwd_close		(SF_PRIVATE *psf) ;
+
+/*------------------------------------------------------------------------------
+** Public function.
+*/
+
+int
+dwd_open (SF_PRIVATE *psf)
+{	int	error = 0 ;
+
+	if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
+	{	if ((error = dwd_read_header (psf)))
+			return error ;
+		} ;
+
+	if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_DWD)
+		return	SFE_BAD_OPEN_FORMAT ;
+
+	if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+	{
+		/*-psf->endian = SF_ENDIAN (psf->sf.format) ;
+		if (CPU_IS_LITTLE_ENDIAN && psf->endian == SF_ENDIAN_CPU)
+			psf->endian = SF_ENDIAN_LITTLE ;
+		else if (psf->endian != SF_ENDIAN_LITTLE)
+			psf->endian = SF_ENDIAN_BIG ;
+
+		if (! (encoding = dwd_write_header (psf, SF_FALSE)))
+			return psf->error ;
+
+		psf->write_header = dwd_write_header ;
+		-*/
+		} ;
+
+	psf->container_close = dwd_close ;
+
+	/*-psf->blockwidth = psf->bytewidth * psf->sf.channels ;-*/
+
+	return error ;
+} /* dwd_open */
+
+/*------------------------------------------------------------------------------
+*/
+
+static int
+dwd_close	(SF_PRIVATE * UNUSED (psf))
+{
+	return 0 ;
+} /* dwd_close */
+
+/* This struct contains all the fields of interest om the DWD header, but does not
+** do so in the same order and layout as the actual file, header.
+** No assumptions are made about the packing of this struct.
+*/
+typedef struct
+{	unsigned char major, minor, compression, channels, bitwidth ;
+	unsigned short srate, maxval ;
+	unsigned int id, datalen, frames, offset ;
+} DWD_HEADER ;
+
+static int
+dwd_read_header (SF_PRIVATE *psf)
+{	DWD_HEADER	dwdh ;
+
+	memset (psf->u.cbuf, 0, sizeof (psf->u.cbuf)) ;
+	/* Set position to start of file to begin reading header. */
+	psf_binheader_readf (psf, "pb", 0, psf->u.cbuf, DWD_IDENTIFIER_LEN) ;
+
+	if (memcmp (psf->u.cbuf, DWD_IDENTIFIER, DWD_IDENTIFIER_LEN) != 0)
+		return SFE_DWD_NO_DWD ;
+
+	psf_log_printf (psf, "Read only : DiamondWare Digitized (.dwd)\n", psf->u.cbuf) ;
+
+	psf_binheader_readf (psf, "11", &dwdh.major, &dwdh.minor) ;
+	psf_binheader_readf (psf, "e4j1", &dwdh.id, 1, &dwdh.compression) ;
+	psf_binheader_readf (psf, "e211", &dwdh.srate, &dwdh.channels, &dwdh.bitwidth) ;
+	psf_binheader_readf (psf, "e24", &dwdh.maxval, &dwdh.datalen) ;
+	psf_binheader_readf (psf, "e44", &dwdh.frames, &dwdh.offset) ;
+
+	psf_log_printf (psf, "  Version Major : %d\n  Version Minor : %d\n  Unique ID     : %08X\n",
+						dwdh.major, dwdh.minor, dwdh.id) ;
+	psf_log_printf (psf, "  Compression   : %d => ", dwdh.compression) ;
+
+	if (dwdh.compression != 0)
+	{	psf_log_printf (psf, "Unsupported compression\n") ;
+		return SFE_DWD_COMPRESSION ;
+		}
+	else
+		psf_log_printf (psf, "None\n") ;
+
+	psf_log_printf (psf, "  Sample Rate   : %d\n  Channels      : %d\n"
+						 "  Bit Width     : %d\n",
+						 dwdh.srate, dwdh.channels, dwdh.bitwidth) ;
+
+	switch (dwdh.bitwidth)
+	{	case 8 :
+				psf->sf.format = SF_FORMAT_DWD | SF_FORMAT_PCM_S8 ;
+				psf->bytewidth = 1 ;
+				break ;
+
+		case 16 :
+				psf->sf.format = SF_FORMAT_DWD | SF_FORMAT_PCM_16 ;
+				psf->bytewidth = 2 ;
+				break ;
+
+		default :
+				psf_log_printf (psf, "*** Bad bit width %d\n", dwdh.bitwidth) ;
+				return SFE_DWD_BAND_BIT_WIDTH ;
+				} ;
+
+	if (psf->filelength != dwdh.offset + dwdh.datalen)
+	{	psf_log_printf (psf, "  Data Length   : %d (should be %D)\n", dwdh.datalen, psf->filelength - dwdh.offset) ;
+		dwdh.datalen = (unsigned int) (psf->filelength - dwdh.offset) ;
+		}
+	else
+		psf_log_printf (psf, "  Data Length   : %d\n", dwdh.datalen) ;
+
+	psf_log_printf (psf, "  Max Value     : %d\n", dwdh.maxval) ;
+	psf_log_printf (psf, "  Frames        : %d\n", dwdh.frames) ;
+	psf_log_printf (psf, "  Data Offset   : %d\n", dwdh.offset) ;
+
+	psf->datalength = dwdh.datalen ;
+	psf->dataoffset = dwdh.offset ;
+
+	psf->endian = SF_ENDIAN_LITTLE ;
+
+	psf->sf.samplerate = dwdh.srate ;
+	psf->sf.channels = dwdh.channels ;
+	psf->sf.sections = 1 ;
+
+	return pcm_init (psf) ;
+} /* dwd_read_header */
+
+/*------------------------------------------------------------------------------
+*/
+
+#endif
+