Tarball conversion

1 files changed, 1820 insertions, 0 deletions

diff --git a/src/wav.c b/src/wav.c
new file mode 100644
index 0000000..f863096
--- /dev/null
+++ b/src/wav.c
@@ -0,0 +1,1820 @@
+/*
+** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+** Copyright (C) 2004-2005 David Viens <davidv@plogue.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	<stdlib.h>
+#include	<string.h>
+#include	<ctype.h>
+#include	<time.h>
+#include	<inttypes.h>
+
+#include	"sndfile.h"
+#include	"sfendian.h"
+#include	"common.h"
+#include	"wav_w64.h"
+
+/*------------------------------------------------------------------------------
+ * Macros to handle big/little endian issues.
+ */
+
+#define RIFF_MARKER	 (MAKE_MARKER ('R', 'I', 'F', 'F'))
+#define RIFX_MARKER	 (MAKE_MARKER ('R', 'I', 'F', 'X'))
+#define WAVE_MARKER	 (MAKE_MARKER ('W', 'A', 'V', 'E'))
+#define fmt_MARKER	 (MAKE_MARKER ('f', 'm', 't', ' '))
+#define data_MARKER	 (MAKE_MARKER ('d', 'a', 't', 'a'))
+#define fact_MARKER	 (MAKE_MARKER ('f', 'a', 'c', 't'))
+#define PEAK_MARKER	 (MAKE_MARKER ('P', 'E', 'A', 'K'))
+
+#define cue_MARKER	 (MAKE_MARKER ('c', 'u', 'e', ' '))
+#define LIST_MARKER	 (MAKE_MARKER ('L', 'I', 'S', 'T'))
+#define slnt_MARKER	 (MAKE_MARKER ('s', 'l', 'n', 't'))
+#define wavl_MARKER	 (MAKE_MARKER ('w', 'a', 'v', 'l'))
+#define INFO_MARKER	 (MAKE_MARKER ('I', 'N', 'F', 'O'))
+#define plst_MARKER	 (MAKE_MARKER ('p', 'l', 's', 't'))
+#define adtl_MARKER	 (MAKE_MARKER ('a', 'd', 't', 'l'))
+#define labl_MARKER	 (MAKE_MARKER ('l', 'a', 'b', 'l'))
+#define ltxt_MARKER	 (MAKE_MARKER ('l', 't', 'x', 't'))
+#define note_MARKER	 (MAKE_MARKER ('n', 'o', 't', 'e'))
+#define smpl_MARKER	 (MAKE_MARKER ('s', 'm', 'p', 'l'))
+#define bext_MARKER	 (MAKE_MARKER ('b', 'e', 'x', 't'))
+#define iXML_MARKER	 (MAKE_MARKER ('i', 'X', 'M', 'L'))
+#define levl_MARKER	 (MAKE_MARKER ('l', 'e', 'v', 'l'))
+#define MEXT_MARKER	 (MAKE_MARKER ('M', 'E', 'X', 'T'))
+#define DISP_MARKER	 (MAKE_MARKER ('D', 'I', 'S', 'P'))
+#define acid_MARKER	 (MAKE_MARKER ('a', 'c', 'i', 'd'))
+#define strc_MARKER	 (MAKE_MARKER ('s', 't', 'r', 'c'))
+#define PAD_MARKER	 (MAKE_MARKER ('P', 'A', 'D', ' '))
+#define afsp_MARKER	 (MAKE_MARKER ('a', 'f', 's', 'p'))
+#define clm_MARKER	 (MAKE_MARKER ('c', 'l', 'm', ' '))
+#define elmo_MARKER	 (MAKE_MARKER ('e', 'l', 'm', 'o'))
+#define cart_MARKER	 (MAKE_MARKER ('c', 'a', 'r', 't'))
+#define FLLR_MARKER	 (MAKE_MARKER ('F', 'L', 'L', 'R'))
+
+#define exif_MARKER	 (MAKE_MARKER ('e', 'x', 'i', 'f'))
+#define ever_MARKER	 (MAKE_MARKER ('e', 'v', 'e', 'r'))
+#define etim_MARKER	 (MAKE_MARKER ('e', 't', 'i', 'm'))
+#define ecor_MARKER	 (MAKE_MARKER ('e', 'c', 'o', 'r'))
+#define emdl_MARKER	 (MAKE_MARKER ('e', 'm', 'd', 'l'))
+#define emnt_MARKER	 (MAKE_MARKER ('e', 'm', 'n', 't'))
+#define erel_MARKER	 (MAKE_MARKER ('e', 'r', 'e', 'l'))
+#define eucm_MARKER	 (MAKE_MARKER ('e', 'u', 'c', 'm'))
+
+#define ISFT_MARKER	 (MAKE_MARKER ('I', 'S', 'F', 'T'))
+#define ICRD_MARKER	 (MAKE_MARKER ('I', 'C', 'R', 'D'))
+#define ICOP_MARKER	 (MAKE_MARKER ('I', 'C', 'O', 'P'))
+#define IARL_MARKER	 (MAKE_MARKER ('I', 'A', 'R', 'L'))
+#define IART_MARKER	 (MAKE_MARKER ('I', 'A', 'R', 'T'))
+#define INAM_MARKER	 (MAKE_MARKER ('I', 'N', 'A', 'M'))
+#define IENG_MARKER	 (MAKE_MARKER ('I', 'E', 'N', 'G'))
+#define IGNR_MARKER	 (MAKE_MARKER ('I', 'G', 'N', 'R'))
+#define ICOP_MARKER	 (MAKE_MARKER ('I', 'C', 'O', 'P'))
+#define IPRD_MARKER	 (MAKE_MARKER ('I', 'P', 'R', 'D'))
+#define ISRC_MARKER	 (MAKE_MARKER ('I', 'S', 'R', 'C'))
+#define ISBJ_MARKER	 (MAKE_MARKER ('I', 'S', 'B', 'J'))
+#define ICMT_MARKER	 (MAKE_MARKER ('I', 'C', 'M', 'T'))
+
+/* Weird WAVPACK marker which can show up at the start of the DATA section. */
+#define wvpk_MARKER (MAKE_MARKER ('w', 'v', 'p', 'k'))
+#define OggS_MARKER (MAKE_MARKER ('O', 'g', 'g', 'S'))
+
+#define WAV_PEAK_CHUNK_SIZE(ch) 	(2 * sizeof (int) + ch * (sizeof (float) + sizeof (int)))
+#define WAV_BEXT_MIN_CHUNK_SIZE		602
+#define WAV_BEXT_MAX_CHUNK_SIZE		(10 * 1024)
+
+enum
+{	HAVE_RIFF	= 0x01,
+	HAVE_WAVE	= 0x02,
+	HAVE_fmt	= 0x04,
+	HAVE_fact	= 0x08,
+	HAVE_PEAK	= 0x10,
+	HAVE_data	= 0x20,
+	HAVE_other	= 0x80000000
+} ;
+
+
+
+/*  known WAVEFORMATEXTENSIBLE GUIDS  */
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_PCM =
+{	0x00000001, 0x0000, 0x0010, {	0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
+} ;
+
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_MS_ADPCM =
+{	0x00000002, 0x0000, 0x0010, {	0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
+} ;
+
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_IEEE_FLOAT =
+{	0x00000003, 0x0000, 0x0010, {	0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
+} ;
+
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_ALAW =
+{	0x00000006, 0x0000, 0x0010, {	0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
+} ;
+
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_MULAW =
+{	0x00000007, 0x0000, 0x0010, {	0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }
+} ;
+
+/*
+** the next two are from
+** http://dream.cs.bath.ac.uk/researchdev/wave-ex/bformat.html
+*/
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM =
+{	0x00000001, 0x0721, 0x11d3, {	0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 }
+} ;
+
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT =
+{	0x00000003, 0x0721, 0x11d3, {	0x86, 0x44, 0xC8, 0xC1, 0xCA, 0x00, 0x00, 0x00 }
+} ;
+
+
+#if 0
+/* maybe interesting one day to read the following through sf_read_raw */
+/* http://www.bath.ac.uk/~masrwd/pvocex/pvocex.html */
+static const EXT_SUBFORMAT MSGUID_SUBTYPE_PVOCEX =
+{	0x8312B9C2, 0x2E6E, 0x11d4, {	0xA8, 0x24, 0xDE, 0x5B, 0x96, 0xC3, 0xAB, 0x21 }
+} ;
+#endif
+
+/*------------------------------------------------------------------------------
+** Private static functions.
+*/
+
+static int	wav_read_header	 (SF_PRIVATE *psf, int *blockalign, int *framesperblock) ;
+static int	wav_write_header (SF_PRIVATE *psf, int calc_length) ;
+
+static int	wav_write_tailer (SF_PRIVATE *psf) ;
+static void wav_write_strings (SF_PRIVATE *psf, int location) ;
+static int	wav_command (SF_PRIVATE *psf, int command, void *data, int datasize) ;
+static int	wav_close (SF_PRIVATE *psf) ;
+
+static int 	wav_subchunk_parse	 (SF_PRIVATE *psf, int chunk) ;
+static int 	exif_subchunk_parse	 (SF_PRIVATE *psf, unsigned int length) ;
+static int	wav_read_smpl_chunk (SF_PRIVATE *psf, unsigned int chunklen) ;
+static int	wav_read_acid_chunk (SF_PRIVATE *psf, unsigned int chunklen) ;
+
+/*------------------------------------------------------------------------------
+** Public function.
+*/
+
+int
+wav_open	 (SF_PRIVATE *psf)
+{	WAV_PRIVATE * wpriv ;
+	int	format, subformat, error, blockalign = 0, framesperblock = 0 ;
+
+	if ((wpriv = calloc (1, sizeof (WAV_PRIVATE))) == NULL)
+		return SFE_MALLOC_FAILED ;
+	psf->container_data = wpriv ;
+
+	wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ;
+	psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ;
+
+	if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
+	{	if ((error = wav_read_header (psf, &blockalign, &framesperblock)))
+			return error ;
+		} ;
+
+	subformat = SF_CODEC (psf->sf.format) ;
+
+	if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+	{	if (psf->is_pipe)
+			return SFE_NO_PIPE_WRITE ;
+
+		wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ;
+
+		format = SF_CONTAINER (psf->sf.format) ;
+		if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX)
+			return	SFE_BAD_OPEN_FORMAT ;
+
+		psf->blockwidth = psf->bytewidth * psf->sf.channels ;
+
+		/* RIFF WAVs are little-endian, RIFX WAVs are big-endian, default to little */
+		psf->endian = SF_ENDIAN (psf->sf.format) ;
+		if (CPU_IS_BIG_ENDIAN && psf->endian == SF_ENDIAN_CPU)
+			psf->endian = SF_ENDIAN_BIG ;
+		else if (psf->endian != SF_ENDIAN_BIG)
+			psf->endian = SF_ENDIAN_LITTLE ;
+
+		if (psf->file.mode != SFM_RDWR || psf->filelength < 44)
+		{	psf->filelength = 0 ;
+			psf->datalength = 0 ;
+			psf->dataoffset = 0 ;
+			psf->sf.frames = 0 ;
+			} ;
+
+		if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM)
+		{	blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
+			framesperblock = -1 ; /* Corrected later. */
+			} ;
+
+		/* By default, add the peak chunk to floating point files. Default behaviour
+		** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE).
+		*/
+		if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE))
+		{	if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
+				return SFE_MALLOC_FAILED ;
+			psf->peak_info->peak_loc = SF_PEAK_START ;
+			} ;
+
+		psf->write_header = wav_write_header ;
+		} ;
+
+	psf->container_close = wav_close ;
+	psf->command = wav_command ;
+
+	switch (subformat)
+	{	case SF_FORMAT_PCM_U8 :
+		case SF_FORMAT_PCM_16 :
+		case SF_FORMAT_PCM_24 :
+		case SF_FORMAT_PCM_32 :
+					error = pcm_init (psf) ;
+					break ;
+
+		case SF_FORMAT_ULAW :
+					error = ulaw_init (psf) ;
+					break ;
+
+		case SF_FORMAT_ALAW :
+					error = alaw_init (psf) ;
+					break ;
+
+		/* Lite remove start */
+		case SF_FORMAT_FLOAT :
+					error = float32_init (psf) ;
+					break ;
+
+		case SF_FORMAT_DOUBLE :
+					error = double64_init (psf) ;
+					break ;
+
+		case SF_FORMAT_IMA_ADPCM :
+					error = wav_w64_ima_init (psf, blockalign, framesperblock) ;
+					break ;
+
+		case SF_FORMAT_MS_ADPCM :
+					error = wav_w64_msadpcm_init (psf, blockalign, framesperblock) ;
+					break ;
+
+		case SF_FORMAT_G721_32 :
+					error = g72x_init (psf) ;
+					break ;
+		/* Lite remove end */
+
+		case SF_FORMAT_GSM610 :
+					error = gsm610_init (psf) ;
+					break ;
+
+		default : 	return SFE_UNIMPLEMENTED ;
+		} ;
+
+	if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->filelength == 0))
+		return psf->write_header (psf, SF_FALSE) ;
+
+	return error ;
+} /* wav_open */
+
+/*=========================================================================
+** Private functions.
+*/
+
+static int
+wav_read_header	 (SF_PRIVATE *psf, int *blockalign, int *framesperblock)
+{	WAV_PRIVATE	*wpriv ;
+	WAV_FMT		*wav_fmt ;
+	FACT_CHUNK	fact_chunk ;
+	unsigned	dword = 0, marker, RIFFsize = 0, done = 0 ;
+	int			parsestage = 0, error, format = 0 ;
+	char		*cptr ;
+
+	if (psf->filelength > SF_PLATFORM_S64 (0xffffffff))
+		psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ;
+
+	if ((wpriv = psf->container_data) == NULL)
+		return SFE_INTERNAL ;
+	wav_fmt = &wpriv->wav_fmt ;
+
+	/* Set position to start of file to begin reading header. */
+	psf_binheader_readf (psf, "p", 0) ;
+
+	while (! done)
+	{	psf_binheader_readf (psf, "m", &marker) ;
+
+		switch (marker)
+		{	case RIFF_MARKER :
+			case RIFX_MARKER :
+					if (parsestage)
+						return SFE_WAV_NO_RIFF ;
+
+					parsestage |= HAVE_RIFF ;
+
+					/* RIFX signifies big-endian format for all header and data
+					** to prevent lots of code copying here, we'll set the psf->rwf_endian
+					** flag once here, and never specify endian-ness for all other header ops
+					*/
+					if (marker == RIFF_MARKER)
+						psf->rwf_endian = SF_ENDIAN_LITTLE ;
+					else
+						psf->rwf_endian = SF_ENDIAN_BIG ;
+
+					psf_binheader_readf (psf, "4", &RIFFsize) ;
+
+					if (psf->fileoffset > 0 && psf->filelength > RIFFsize + 8)
+					{	/* Set file length. */
+						psf->filelength = RIFFsize + 8 ;
+						if (marker == RIFF_MARKER)
+							psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ;
+						else
+							psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ;
+						}
+					else if (psf->filelength < RIFFsize + 2 * SIGNED_SIZEOF (dword))
+					{	if (marker == RIFF_MARKER)
+							psf_log_printf (psf, "RIFF : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (dword)) ;
+						else
+							psf_log_printf (psf, "RIFX : %u (should be %D)\n", RIFFsize, psf->filelength - 2 * SIGNED_SIZEOF (dword)) ;
+
+						RIFFsize = dword ;
+						}
+					else
+					{	if (marker == RIFF_MARKER)
+							psf_log_printf (psf, "RIFF : %u\n", RIFFsize) ;
+						else
+							psf_log_printf (psf, "RIFX : %u\n", RIFFsize) ;
+					} ;
+					break ;
+
+			case WAVE_MARKER :
+					if ((parsestage & HAVE_RIFF) != HAVE_RIFF)
+						return SFE_WAV_NO_WAVE ;
+					parsestage |= HAVE_WAVE ;
+
+					psf_log_printf (psf, "WAVE\n") ;
+					break ;
+
+			case fmt_MARKER :
+					if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE))
+						return SFE_WAV_NO_FMT ;
+
+					/* If this file has a SECOND fmt chunk, I don't want to know about it. */
+					if (parsestage & HAVE_fmt)
+						break ;
+
+					parsestage |= HAVE_fmt ;
+
+					psf_binheader_readf (psf, "4", &dword) ;
+					psf_log_printf (psf, "fmt  : %d\n", dword) ;
+
+					if ((error = wav_w64_read_fmt_chunk (psf, dword)))
+						return error ;
+
+					format = wav_fmt->format ;
+					break ;
+
+			case data_MARKER :
+					if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt))
+						return SFE_WAV_NO_DATA ;
+
+					if (psf->file.mode == SFM_RDWR && (parsestage & HAVE_other) != 0)
+						return SFE_RDWR_BAD_HEADER ;
+
+					parsestage |= HAVE_data ;
+
+					psf_binheader_readf (psf, "4", &dword) ;
+
+					psf->datalength = dword ;
+					psf->dataoffset = psf_ftell (psf) ;
+
+					if (psf->dataoffset > 0)
+					{	if (dword == 0 && RIFFsize == 8 && psf->filelength > 44)
+						{	psf_log_printf (psf, "*** Looks like a WAV file which wasn't closed properly. Fixing it.\n") ;
+							psf->datalength = psf->filelength - psf->dataoffset ;
+							} ;
+
+						if (psf->datalength > psf->filelength - psf->dataoffset)
+						{	psf_log_printf (psf, "data : %D (should be %D)\n", psf->datalength, psf->filelength - psf->dataoffset) ;
+							psf->datalength = psf->filelength - psf->dataoffset ;
+							}
+						else
+							psf_log_printf (psf, "data : %D\n", psf->datalength) ;
+
+						/* Only set dataend if there really is data at the end. */
+						if (psf->datalength + psf->dataoffset < psf->filelength)
+							psf->dataend = psf->datalength + psf->dataoffset ;
+
+						if (format == WAVE_FORMAT_MS_ADPCM && psf->datalength % 2)
+						{	psf->datalength ++ ;
+							psf_log_printf (psf, "*** Data length odd. Increasing it by 1.\n") ;
+							} ;
+						} ;
+
+					if (! psf->sf.seekable || psf->dataoffset < 0)
+						break ;
+
+					/* Seek past data and continue reading header. */
+					psf_fseek (psf, psf->datalength, SEEK_CUR) ;
+
+					if (psf_ftell (psf) != psf->datalength + psf->dataoffset)
+						psf_log_printf (psf, "*** psf_fseek past end error ***\n") ;
+					break ;
+
+			case fact_MARKER :
+					if ((parsestage & (HAVE_RIFF | HAVE_WAVE)) != (HAVE_RIFF | HAVE_WAVE))
+						return SFE_WAV_BAD_FACT ;
+
+					parsestage |= HAVE_fact ;
+
+					if ((parsestage & HAVE_fmt) != HAVE_fmt)
+						psf_log_printf (psf, "*** Should have 'fmt ' chunk before 'fact'\n") ;
+
+					psf_binheader_readf (psf, "44", &dword, & (fact_chunk.frames)) ;
+
+					if (dword > SIGNED_SIZEOF (fact_chunk))
+						psf_binheader_readf (psf, "j", (int) (dword - SIGNED_SIZEOF (fact_chunk))) ;
+
+					if (dword)
+						psf_log_printf (psf, "%M : %d\n", marker, dword) ;
+					else
+						psf_log_printf (psf, "%M : %d (should not be zero)\n", marker, dword) ;
+
+					psf_log_printf (psf, "  frames  : %d\n", fact_chunk.frames) ;
+					break ;
+
+			case PEAK_MARKER :
+					if ((parsestage & (HAVE_RIFF | HAVE_WAVE | HAVE_fmt)) != (HAVE_RIFF | HAVE_WAVE | HAVE_fmt))
+						return SFE_WAV_PEAK_B4_FMT ;
+
+					parsestage |= HAVE_PEAK ;
+
+					psf_binheader_readf (psf, "4", &dword) ;
+
+					psf_log_printf (psf, "%M : %d\n", marker, dword) ;
+					if (dword != WAV_PEAK_CHUNK_SIZE (psf->sf.channels))
+					{	psf_binheader_readf (psf, "j", dword) ;
+						psf_log_printf (psf, "*** File PEAK chunk size doesn't fit with number of channels (%d).\n", psf->sf.channels) ;
+						return SFE_WAV_BAD_PEAK ;
+						} ;
+
+					if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL)
+						return SFE_MALLOC_FAILED ;
+
+					/* read in rest of PEAK chunk. */
+					psf_binheader_readf (psf, "44", & (psf->peak_info->version), & (psf->peak_info->timestamp)) ;
+
+					if (psf->peak_info->version != 1)
+						psf_log_printf (psf, "  version    : %d *** (should be version 1)\n", psf->peak_info->version) ;
+					else
+						psf_log_printf (psf, "  version    : %d\n", psf->peak_info->version) ;
+
+					psf_log_printf (psf, "  time stamp : %d\n", psf->peak_info->timestamp) ;
+					psf_log_printf (psf, "    Ch   Position       Value\n") ;
+
+					cptr = psf->u.cbuf ;
+					for (dword = 0 ; dword < (unsigned) psf->sf.channels ; dword++)
+					{	float value ;
+						unsigned int position ;
+
+						psf_binheader_readf (psf, "f4", &value, &position) ;
+						psf->peak_info->peaks [dword].value = value ;
+						psf->peak_info->peaks [dword].position = position ;
+
+						snprintf (cptr, sizeof (psf->u.cbuf), "    %2d   %-12" PRId64 "   %g\n",
+								dword, psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ;
+						cptr [sizeof (psf->u.cbuf) - 1] = 0 ;
+						psf_log_printf (psf, "%s", cptr) ;
+						} ;
+
+					psf->peak_info->peak_loc = ((parsestage & HAVE_data) == 0) ? SF_PEAK_START : SF_PEAK_END ;
+					break ;
+
+			case cue_MARKER :
+					parsestage |= HAVE_other ;
+
+					{	unsigned bytesread, cue_count ;
+						int id, position, chunk_id, chunk_start, block_start, offset ;
+
+						bytesread = psf_binheader_readf (psf, "44", &dword, &cue_count) ;
+						bytesread -= 4 ; /* Remove bytes for first dword. */
+						psf_log_printf (psf, "%M : %u\n", marker, dword) ;
+
+						if (cue_count > 10)
+						{	psf_log_printf (psf, "  Count : %d (skipping)\n", cue_count) ;
+							psf_binheader_readf (psf, "j", cue_count * 24) ;
+							break ;
+							} ;
+
+						psf_log_printf (psf, "  Count : %d\n", cue_count) ;
+
+						while (cue_count)
+						{	bytesread += psf_binheader_readf (psf, "444444", &id, &position,
+									&chunk_id, &chunk_start, &block_start, &offset) ;
+							psf_log_printf (psf, "   Cue ID : %2d"
+												 "  Pos : %5u  Chunk : %M"
+												 "  Chk Start : %d  Blk Start : %d"
+												 "  Offset : %5d\n",
+									id, position, chunk_id, chunk_start, block_start, offset) ;
+							cue_count -- ;
+							} ;
+
+						if (bytesread != dword)
+						{	psf_log_printf (psf, "**** Chunk size weirdness (%d != %d)\n", dword, bytesread) ;
+							psf_binheader_readf (psf, "j", dword - bytesread) ;
+							} ;
+						} ;
+					break ;
+
+			case smpl_MARKER :
+					parsestage |= HAVE_other ;
+
+					psf_binheader_readf (psf, "4", &dword) ;
+					psf_log_printf (psf, "smpl : %u\n", dword) ;
+
+					if ((error = wav_read_smpl_chunk (psf, dword)))
+						return error ;
+					break ;
+
+			case acid_MARKER :
+					parsestage |= HAVE_other ;
+
+					psf_binheader_readf (psf, "4", &dword) ;
+					psf_log_printf (psf, "acid : %u\n", dword) ;
+
+					if ((error = wav_read_acid_chunk (psf, dword)))
+						return error ;
+					break ;
+
+			case INFO_MARKER :
+			case LIST_MARKER :
+					parsestage |= HAVE_other ;
+
+					if ((error = wav_subchunk_parse (psf, marker)) != 0)
+						return error ;
+					break ;
+
+			case bext_MARKER :
+					/*
+					The 'bext' chunk can actually be updated, so don't need to set this.
+					parsestage |= HAVE_other ;
+					*/
+					psf_binheader_readf (psf, "4", &dword) ;
+					if ((error = wav_read_bext_chunk (psf, dword)))
+						return error ;
+					break ;
+
+			case PAD_MARKER :
+					/*
+					We can eat into a 'PAD ' chunk if we need to.
+					parsestage |= HAVE_other ;
+					*/
+					psf_binheader_readf (psf, "4", &dword) ;
+					psf_log_printf (psf, "%M : %u\n", marker, dword) ;
+					dword += (dword & 1) ;
+					psf_binheader_readf (psf, "j", dword) ;
+					break ;
+
+			case iXML_MARKER : /* See http://en.wikipedia.org/wiki/IXML */
+			case strc_MARKER : /* Multiple of 32 bytes. */
+			case afsp_MARKER :
+			case clm_MARKER :
+			case elmo_MARKER :
+			case cart_MARKER :
+			case levl_MARKER :
+			case plst_MARKER :
+			case DISP_MARKER :
+			case MEXT_MARKER :
+			case FLLR_MARKER :
+					psf_binheader_readf (psf, "4", &dword) ;
+					psf_log_printf (psf, "%M : %u\n", marker, dword) ;
+					dword += (dword & 1) ;
+					psf_binheader_readf (psf, "j", dword) ;
+					break ;
+
+			default :
+					if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF)
+						&& psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF))
+					{	psf_binheader_readf (psf, "4", &dword) ;
+						psf_log_printf (psf, "*** %M : %d (unknown marker)\n", marker, dword) ;
+						psf_binheader_readf (psf, "j", dword) ;
+						break ;
+						} ;
+					if (psf_ftell (psf) & 0x03)
+					{	psf_log_printf (psf, "  Unknown chunk marker at position %d. Resynching.\n", dword - 4) ;
+						psf_binheader_readf (psf, "j", -3) ;
+						/* File is too messed up so we prevent editing in RDWR mode here. */
+						parsestage |= HAVE_other ;
+						break ;
+						} ;
+					psf_log_printf (psf, "*** Unknown chunk marker (%X) at position %D. Exiting parser.\n", marker, psf_ftell (psf) - 4) ;
+					done = SF_TRUE ;
+					break ;
+			} ;	/* switch (dword) */
+
+		if (! psf->sf.seekable && (parsestage & HAVE_data))
+			break ;
+
+		if (psf_ftell (psf) >= psf->filelength - SIGNED_SIZEOF (dword))
+		{	psf_log_printf (psf, "End\n") ;
+			break ;
+			} ;
+		} ; /* while (1) */
+
+	if (psf->dataoffset <= 0)
+		return SFE_WAV_NO_DATA ;
+
+	/* WAVs can be little or big endian */
+	psf->endian = psf->rwf_endian ;
+
+	psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
+
+	if (psf->is_pipe == 0)
+	{	/*
+		** Check for 'wvpk' at the start of the DATA section. Not able to
+		** handle this.
+		*/
+		psf_binheader_readf (psf, "4", &marker) ;
+		if (marker == wvpk_MARKER || marker == OggS_MARKER)
+			return SFE_WAV_WVPK_DATA ;
+		} ;
+
+	/* Seek to start of DATA section. */
+	psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
+
+	if (psf->blockwidth)
+	{	if (psf->filelength - psf->dataoffset < psf->datalength)
+			psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ;
+		else
+			psf->sf.frames = psf->datalength / psf->blockwidth ;
+		} ;
+
+	switch (format)
+	{	case WAVE_FORMAT_EXTENSIBLE :
+			if (psf->sf.format == (SF_FORMAT_WAVEX | SF_FORMAT_MS_ADPCM))
+			{	*blockalign = wav_fmt->msadpcm.blockalign ;
+				*framesperblock = wav_fmt->msadpcm.samplesperblock ;
+				} ;
+			break ;
+
+		case WAVE_FORMAT_PCM :
+					psf->sf.format = SF_FORMAT_WAV | u_bitwidth_to_subformat (psf->bytewidth * 8) ;
+					break ;
+
+		case WAVE_FORMAT_MULAW :
+		case IBM_FORMAT_MULAW :
+					psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ULAW) ;
+					break ;
+
+		case WAVE_FORMAT_ALAW :
+		case IBM_FORMAT_ALAW :
+					psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_ALAW) ;
+					break ;
+
+		case WAVE_FORMAT_MS_ADPCM :
+					psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ;
+					*blockalign = wav_fmt->msadpcm.blockalign ;
+					*framesperblock = wav_fmt->msadpcm.samplesperblock ;
+					break ;
+
+		case WAVE_FORMAT_IMA_ADPCM :
+					psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ;
+					*blockalign = wav_fmt->ima.blockalign ;
+					*framesperblock = wav_fmt->ima.samplesperblock ;
+					break ;
+
+		case WAVE_FORMAT_GSM610 :
+					psf->sf.format = (SF_FORMAT_WAV | SF_FORMAT_GSM610) ;
+					break ;
+
+		case WAVE_FORMAT_IEEE_FLOAT :
+					psf->sf.format = SF_FORMAT_WAV ;
+					psf->sf.format |= (psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT ;
+					break ;
+
+		case WAVE_FORMAT_G721_ADPCM :
+					psf->sf.format = SF_FORMAT_WAV | SF_FORMAT_G721_32 ;
+					break ;
+
+		default : return SFE_UNIMPLEMENTED ;
+		} ;
+
+	if (wpriv->fmt_is_broken)
+		wav_w64_analyze (psf) ;
+
+	/* Only set the format endian-ness if its non-standard big-endian. */
+	if (psf->endian == SF_ENDIAN_BIG)
+		psf->sf.format |= SF_ENDIAN_BIG ;
+
+	return 0 ;
+} /* wav_read_header */
+
+static int
+wav_write_fmt_chunk (SF_PRIVATE *psf)
+{	int subformat, fmt_size, add_fact_chunk = 0 ;
+
+	subformat = SF_CODEC (psf->sf.format) ;
+
+	switch (subformat)
+	{	case SF_FORMAT_PCM_U8 :
+		case SF_FORMAT_PCM_16 :
+		case SF_FORMAT_PCM_24 :
+		case SF_FORMAT_PCM_32 :
+					fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ;
+
+					/* fmt : format, channels, samplerate */
+					psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_PCM, psf->sf.channels, psf->sf.samplerate) ;
+					/*  fmt : bytespersec */
+					psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+					/*  fmt : blockalign, bitwidth */
+					psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
+					break ;
+
+		case SF_FORMAT_FLOAT :
+		case SF_FORMAT_DOUBLE :
+					fmt_size = 2 + 2 + 4 + 4 + 2 + 2 ;
+
+					/* fmt : format, channels, samplerate */
+					psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_IEEE_FLOAT, psf->sf.channels, psf->sf.samplerate) ;
+					/*  fmt : bytespersec */
+					psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+					/*  fmt : blockalign, bitwidth */
+					psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		case SF_FORMAT_ULAW :
+					fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ;
+
+					/* fmt : format, channels, samplerate */
+					psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_MULAW, psf->sf.channels, psf->sf.samplerate) ;
+					/*  fmt : bytespersec */
+					psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+					/*  fmt : blockalign, bitwidth, extrabytes */
+					psf_binheader_writef (psf, "222", psf->bytewidth * psf->sf.channels, 8, 0) ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		case SF_FORMAT_ALAW :
+					fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 ;
+
+					/* fmt : format, channels, samplerate */
+					psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_ALAW, psf->sf.channels, psf->sf.samplerate) ;
+					/*  fmt : bytespersec */
+					psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+					/*  fmt : blockalign, bitwidth, extrabytes */
+					psf_binheader_writef (psf, "222", psf->bytewidth * psf->sf.channels, 8, 0) ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		/* Lite remove start */
+		case SF_FORMAT_IMA_ADPCM :
+					{	int blockalign, framesperblock, bytespersec ;
+
+						blockalign		= wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
+						framesperblock	= 2 * (blockalign - 4 * psf->sf.channels) / psf->sf.channels + 1 ;
+						bytespersec		= (psf->sf.samplerate * blockalign) / framesperblock ;
+
+						/* fmt chunk. */
+						fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
+
+						/* fmt : size, WAV format type, channels, samplerate, bytespersec */
+						psf_binheader_writef (psf, "42244", fmt_size, WAVE_FORMAT_IMA_ADPCM,
+									psf->sf.channels, psf->sf.samplerate, bytespersec) ;
+
+						/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+						psf_binheader_writef (psf, "2222", blockalign, 4, 2, framesperblock) ;
+						} ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		case SF_FORMAT_MS_ADPCM :
+					{	int	blockalign, framesperblock, bytespersec, extrabytes ;
+
+						blockalign		= wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
+						framesperblock	= 2 + 2 * (blockalign - 7 * psf->sf.channels) / psf->sf.channels ;
+						bytespersec		= (psf->sf.samplerate * blockalign) / framesperblock ;
+
+						/* fmt chunk. */
+						extrabytes	= 2 + 2 + MSADPCM_ADAPT_COEFF_COUNT * (2 + 2) ;
+						fmt_size	= 2 + 2 + 4 + 4 + 2 + 2 + 2 + extrabytes ;
+
+						/* fmt : size, WAV format type, channels. */
+						psf_binheader_writef (psf, "422", fmt_size, WAVE_FORMAT_MS_ADPCM, psf->sf.channels) ;
+
+						/* fmt : samplerate, bytespersec. */
+						psf_binheader_writef (psf, "44", psf->sf.samplerate, bytespersec) ;
+
+						/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+						psf_binheader_writef (psf, "22222", blockalign, 4, extrabytes, framesperblock, 7) ;
+
+						msadpcm_write_adapt_coeffs (psf) ;
+						} ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+
+		case SF_FORMAT_G721_32 :
+					/* fmt chunk. */
+					fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
+
+					/* fmt : size, WAV format type, channels, samplerate, bytespersec */
+					psf_binheader_writef (psf, "42244", fmt_size, WAVE_FORMAT_G721_ADPCM,
+								psf->sf.channels, psf->sf.samplerate, psf->sf.samplerate * psf->sf.channels / 2) ;
+
+					/* fmt : blockalign, bitwidth, extrabytes, auxblocksize. */
+					psf_binheader_writef (psf, "2222", 64, 4, 2, 0) ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		/* Lite remove end */
+
+		case SF_FORMAT_GSM610 :
+					{	int	blockalign, framesperblock, bytespersec ;
+
+						blockalign		= WAV_W64_GSM610_BLOCKSIZE ;
+						framesperblock	= WAV_W64_GSM610_SAMPLES ;
+						bytespersec		= (psf->sf.samplerate * blockalign) / framesperblock ;
+
+						/* fmt chunk. */
+						fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
+
+						/* fmt : size, WAV format type, channels. */
+						psf_binheader_writef (psf, "422", fmt_size, WAVE_FORMAT_GSM610, psf->sf.channels) ;
+
+						/* fmt : samplerate, bytespersec. */
+						psf_binheader_writef (psf, "44", psf->sf.samplerate, bytespersec) ;
+
+						/* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+						psf_binheader_writef (psf, "2222", blockalign, 0, 2, framesperblock) ;
+						} ;
+
+					add_fact_chunk = SF_TRUE ;
+					break ;
+
+		default : 	return SFE_UNIMPLEMENTED ;
+		} ;
+
+	if (add_fact_chunk)
+		psf_binheader_writef (psf, "tm48", fact_MARKER, 4, psf->sf.frames) ;
+
+	return 0 ;
+} /* wav_write_fmt_chunk */
+
+static int
+wavex_write_fmt_chunk (SF_PRIVATE *psf)
+{	WAV_PRIVATE	*wpriv ;
+	int subformat, fmt_size, add_fact_chunk = 0 ;
+
+	if ((wpriv = psf->container_data) == NULL)
+		return SFE_INTERNAL ;
+
+	subformat = SF_CODEC (psf->sf.format) ;
+
+	/* initial section (same for all, it appears) */
+	switch (subformat)
+	{	case SF_FORMAT_PCM_U8 :
+		case SF_FORMAT_PCM_16 :
+		case SF_FORMAT_PCM_24 :
+		case SF_FORMAT_PCM_32 :
+		case SF_FORMAT_FLOAT :
+		case SF_FORMAT_DOUBLE :
+		case SF_FORMAT_ULAW :
+		case SF_FORMAT_ALAW :
+			fmt_size = 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 + 4 + 4 + 2 + 2 + 8 ;
+
+			/* fmt : format, channels, samplerate */
+			psf_binheader_writef (psf, "4224", fmt_size, WAVE_FORMAT_EXTENSIBLE, psf->sf.channels, psf->sf.samplerate) ;
+			/*  fmt : bytespersec */
+			psf_binheader_writef (psf, "4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+			/*  fmt : blockalign, bitwidth */
+			psf_binheader_writef (psf, "22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
+
+			/* cbSize 22 is sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX) */
+			psf_binheader_writef (psf, "2", 22) ;
+
+			/* wValidBitsPerSample, for our use same as bitwidth as we use it fully */
+			psf_binheader_writef (psf, "2", psf->bytewidth * 8) ;
+
+			/* For an Ambisonic file set the channel mask to zero.
+			** Otherwise use a default based on the channel count.
+			*/
+			if (wpriv->wavex_ambisonic != SF_AMBISONIC_NONE)
+				psf_binheader_writef (psf, "4", 0) ;
+			else if (wpriv->wavex_channelmask != 0)
+				psf_binheader_writef (psf, "4", wpriv->wavex_channelmask) ;
+			else
+			{	/*
+				** Ok some liberty is taken here to use the most commonly used channel masks
+				** instead of "no mapping". If you really want to use "no mapping" for 8 channels and less
+				** please don't use wavex. (otherwise we'll have to create a new SF_COMMAND)
+				*/
+				switch (psf->sf.channels)
+				{	case 1 :	/* center channel mono */
+						psf_binheader_writef (psf, "4", 0x4) ;
+						break ;
+
+					case 2 :	/* front left and right */
+						psf_binheader_writef (psf, "4", 0x1 | 0x2) ;
+						break ;
+
+					case 4 :	/* Quad */
+						psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x10 | 0x20) ;
+						break ;
+
+					case 6 :	/* 5.1 */
+						psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20) ;
+						break ;
+
+					case 8 :	/* 7.1 */
+						psf_binheader_writef (psf, "4", 0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80) ;
+						break ;
+
+					default :	/* 0 when in doubt , use direct out, ie NO mapping*/
+						psf_binheader_writef (psf, "4", 0x0) ;
+						break ;
+					} ;
+				} ;
+			break ;
+
+		case SF_FORMAT_MS_ADPCM : /* Todo, GUID exists might have different header as per wav_write_header */
+		default :
+			return SFE_UNIMPLEMENTED ;
+		} ;
+
+	/* GUID section, different for each */
+
+	switch (subformat)
+	{	case SF_FORMAT_PCM_U8 :
+		case SF_FORMAT_PCM_16 :
+		case SF_FORMAT_PCM_24 :
+		case SF_FORMAT_PCM_32 :
+			wavex_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ?
+						&MSGUID_SUBTYPE_PCM : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_PCM) ;
+			break ;
+
+		case SF_FORMAT_FLOAT :
+		case SF_FORMAT_DOUBLE :
+			wavex_write_guid (psf, wpriv->wavex_ambisonic == SF_AMBISONIC_NONE ?
+						&MSGUID_SUBTYPE_IEEE_FLOAT : &MSGUID_SUBTYPE_AMBISONIC_B_FORMAT_IEEE_FLOAT) ;
+			add_fact_chunk = SF_TRUE ;
+			break ;
+
+		case SF_FORMAT_ULAW :
+			wavex_write_guid (psf, &MSGUID_SUBTYPE_MULAW) ;
+			add_fact_chunk = SF_TRUE ;
+			break ;
+
+		case SF_FORMAT_ALAW :
+			wavex_write_guid (psf, &MSGUID_SUBTYPE_ALAW) ;
+			add_fact_chunk = SF_TRUE ;
+			break ;
+
+#if 0
+		/* This is dead code due to return in previous switch statement. */
+		case SF_FORMAT_MS_ADPCM : /* todo, GUID exists */
+			wavex_write_guid (psf, &MSGUID_SUBTYPE_MS_ADPCM) ;
+			add_fact_chunk = SF_TRUE ;
+			break ;
+			return SFE_UNIMPLEMENTED ;
+#endif
+
+		default : return SFE_UNIMPLEMENTED ;
+		} ;
+
+	if (add_fact_chunk)
+		psf_binheader_writef (psf, "tm48", fact_MARKER, 4, psf->sf.frames) ;
+
+	return 0 ;
+} /* wavex_write_fmt_chunk */
+
+
+static int
+wav_write_header (SF_PRIVATE *psf, int calc_length)
+{	sf_count_t	current ;
+	int 		k, error, has_data = SF_FALSE ;
+
+	current = psf_ftell (psf) ;
+
+	if (current > psf->dataoffset)
+		has_data = SF_TRUE ;
+
+	if (calc_length)
+	{	psf->filelength = psf_get_filelen (psf) ;
+
+		psf->datalength = psf->filelength - psf->dataoffset ;
+
+		if (psf->dataend)
+			psf->datalength -= psf->filelength - psf->dataend ;
+
+		if (psf->bytewidth > 0)
+			psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ;
+		} ;
+
+	/* Reset the current header length to zero. */
+	psf->header [0] = 0 ;
+	psf->headindex = 0 ;
+	psf_fseek (psf, 0, SEEK_SET) ;
+
+	/*
+	** RIFX signifies big-endian format for all header and data.
+	** To prevent lots of code copying here, we'll set the psf->rwf_endian flag
+	** once here, and never specify endian-ness for all other header operations.
+	*/
+
+	/* RIFF/RIFX marker, length, WAVE and 'fmt ' markers. */
+
+	if (psf->endian == SF_ENDIAN_LITTLE)
+		psf_binheader_writef (psf, "etm8", RIFF_MARKER, (psf->filelength < 8) ? 8 : psf->filelength - 8) ;
+	else
+		psf_binheader_writef (psf, "Etm8", RIFX_MARKER, (psf->filelength < 8) ? 8 : psf->filelength - 8) ;
+
+	/* WAVE and 'fmt ' markers. */
+	psf_binheader_writef (psf, "mm", WAVE_MARKER, fmt_MARKER) ;
+
+	/* Write the 'fmt ' chunk. */
+	switch (SF_CONTAINER (psf->sf.format))
+	{	case SF_FORMAT_WAV :
+				if ((error = wav_write_fmt_chunk (psf)) != 0)
+					return error ;
+				break ;
+
+		case SF_FORMAT_WAVEX :
+				if ((error = wavex_write_fmt_chunk (psf)) != 0)
+					return error ;
+				break ;
+
+		default :
+				return SFE_UNIMPLEMENTED ;
+		} ;
+
+	/* The LIST/INFO chunk. */
+	if (psf->str_flags & SF_STR_LOCATE_START)
+		wav_write_strings (psf, SF_STR_LOCATE_START) ;
+
+	if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START)
+	{	psf_binheader_writef (psf, "m4", PEAK_MARKER, WAV_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
+		psf_binheader_writef (psf, "44", 1, time (NULL)) ;
+		for (k = 0 ; k < psf->sf.channels ; k++)
+			psf_binheader_writef (psf, "ft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
+		} ;
+
+	if (psf->broadcast_16k != NULL)
+		wav_write_bext_chunk (psf) ;
+
+	if (psf->instrument != NULL)
+	{	int		tmp ;
+		double	dtune = (double) (0x40000000) / 25.0 ;
+
+		psf_binheader_writef (psf, "m4", smpl_MARKER, 9 * 4 + psf->instrument->loop_count * 6 * 4) ;
+		psf_binheader_writef (psf, "44", 0, 0) ; /* Manufacturer zero is everyone */
+		tmp = (int) (1.0e9 / psf->sf.samplerate) ; /* Sample period in nano seconds */
+		psf_binheader_writef (psf, "44", tmp, psf->instrument->basenote) ;
+		tmp = (unsigned int) (psf->instrument->detune * dtune + 0.5) ;
+		psf_binheader_writef (psf, "4", tmp) ;
+		psf_binheader_writef (psf, "44", 0, 0) ; /* SMTPE format */
+		psf_binheader_writef (psf, "44", psf->instrument->loop_count, 0) ;
+
+		for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++)
+		{	int type ;
+
+			type = psf->instrument->loops [tmp].mode ;
+			type = (type == SF_LOOP_FORWARD ? 0 : type==SF_LOOP_BACKWARD ? 2 : type == SF_LOOP_ALTERNATING ? 1 : 32) ;
+
+			psf_binheader_writef (psf, "44", tmp, type) ;
+			psf_binheader_writef (psf, "44", psf->instrument->loops [tmp].start, psf->instrument->loops [tmp].end - 1) ;
+			psf_binheader_writef (psf, "44", 0, psf->instrument->loops [tmp].count) ;
+			} ;
+		} ;
+
+	if (psf->headindex + 16 < psf->dataoffset)
+	{	/* Add PAD data if necessary. */
+		k = psf->dataoffset - (psf->headindex + 16) ;
+		psf_binheader_writef (psf, "m4z", PAD_MARKER, k, make_size_t (k)) ;
+		} ;
+
+	psf_binheader_writef (psf, "tm8", data_MARKER, psf->datalength) ;
+	psf_fwrite (psf->header, psf->headindex, 1, psf) ;
+	if (psf->error)
+		return psf->error ;
+
+	if (has_data && psf->dataoffset != psf->headindex)
+	{	psf_log_printf (psf, "Oooops : has_data && psf->dataoffset != psf->headindex\n") ;
+		return psf->error = SFE_INTERNAL ;
+		} ;
+
+	psf->dataoffset = psf->headindex ;
+
+	if (! has_data)
+		psf_fseek (psf, psf->dataoffset, SEEK_SET) ;
+	else if (current > 0)
+		psf_fseek (psf, current, SEEK_SET) ;
+
+	return psf->error ;
+} /* wav_write_header */
+
+
+static int
+wav_write_tailer (SF_PRIVATE *psf)
+{	int		k ;
+
+	/* Reset the current header buffer length to zero. */
+	psf->header [0] = 0 ;
+	psf->headindex = 0 ;
+
+	if (psf->dataend > 0)
+		psf_fseek (psf, psf->dataend, SEEK_SET) ;
+	else
+		psf->dataend = psf_fseek (psf, 0, SEEK_END) ;
+
+	/* Add a PEAK chunk if requested. */
+	if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END)
+	{	psf_binheader_writef (psf, "m4", PEAK_MARKER, WAV_PEAK_CHUNK_SIZE (psf->sf.channels)) ;
+		psf_binheader_writef (psf, "44", 1, time (NULL)) ;
+		for (k = 0 ; k < psf->sf.channels ; k++)
+			psf_binheader_writef (psf, "f4", psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ;
+		} ;
+
+	if (psf->str_flags & SF_STR_LOCATE_END)
+		wav_write_strings (psf, SF_STR_LOCATE_END) ;
+
+	/* Write the tailer. */
+	if (psf->headindex > 0)
+		psf_fwrite (psf->header, psf->headindex, 1, psf) ;
+
+	return 0 ;
+} /* wav_write_tailer */
+
+static void
+wav_write_strings (SF_PRIVATE *psf, int location)
+{	int	k, prev_head_index, saved_head_index ;
+
+	if (psf_location_string_count (psf, location) == 0)
+		return ;
+
+	prev_head_index = psf->headindex + 4 ;
+
+	psf_binheader_writef (psf, "m4m", LIST_MARKER, 0xBADBAD, INFO_MARKER) ;
+
+	for (k = 0 ; k < SF_MAX_STRINGS ; k++)
+	{	if (psf->strings [k].type == 0)
+			break ;
+		if (psf->strings [k].type < 0 || psf->strings [k].flags != location)
+			continue ;
+
+		switch (psf->strings [k].type)
+		{	case SF_STR_SOFTWARE :
+				psf_binheader_writef (psf, "ms", ISFT_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_TITLE :
+				psf_binheader_writef (psf, "ms", INAM_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_COPYRIGHT :
+				psf_binheader_writef (psf, "ms", ICOP_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_ARTIST :
+				psf_binheader_writef (psf, "ms", IART_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_COMMENT :
+				psf_binheader_writef (psf, "ms", ICMT_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_DATE :
+				psf_binheader_writef (psf, "ms", ICRD_MARKER, psf->strings [k].str) ;
+				break ;
+
+			case SF_STR_GENRE :
+				psf_binheader_writef (psf, "ms", IGNR_MARKER, psf->strings [k].str) ;
+				break ;
+
+			default :
+				break ;
+			} ;
+		} ;
+
+	saved_head_index = psf->headindex ;
+	psf->headindex = prev_head_index ;
+	psf_binheader_writef (psf, "4", saved_head_index - prev_head_index - 4) ;
+	psf->headindex = saved_head_index ;
+
+} /* wav_write_strings */
+
+static int
+wav_close (SF_PRIVATE *psf)
+{
+	if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+	{	wav_write_tailer (psf) ;
+
+		if (psf->file.mode == SFM_RDWR)
+		{	sf_count_t current = psf_ftell (psf) ;
+
+			/*
+			**	If the mode is RDWR and the current position is less than the
+			**	filelength, truncate the file.
+			*/
+
+			if (current < psf->filelength)
+			{	psf_ftruncate (psf, current) ;
+				psf->filelength = current ;
+				} ;
+			} ;
+
+		psf->write_header (psf, SF_TRUE) ;
+		} ;
+
+	return 0 ;
+} /* wav_close */
+
+static int
+wav_command (SF_PRIVATE *psf, int command, void * UNUSED (data), int datasize)
+{	WAV_PRIVATE	*wpriv ;
+
+	if ((wpriv = psf->container_data) == NULL)
+		return SFE_INTERNAL ;
+
+	switch (command)
+	{	case SFC_WAVEX_SET_AMBISONIC :
+			if ((SF_CONTAINER (psf->sf.format)) == SF_FORMAT_WAVEX)
+			{	if (datasize == SF_AMBISONIC_NONE)
+					wpriv->wavex_ambisonic = SF_AMBISONIC_NONE ;
+				else if (datasize == SF_AMBISONIC_B_FORMAT)
+					wpriv->wavex_ambisonic = SF_AMBISONIC_B_FORMAT ;
+				else
+					return 0 ;
+				} ;
+			return wpriv->wavex_ambisonic ;
+
+		case SFC_WAVEX_GET_AMBISONIC :
+			return wpriv->wavex_ambisonic ;
+
+		case SFC_SET_CHANNEL_MAP_INFO :
+			wpriv->wavex_channelmask = wavex_gen_channel_mask (psf->channel_map, psf->sf.channels) ;
+			return (wpriv->wavex_channelmask != 0) ;
+
+		default :
+			break ;
+	} ;
+
+	return 0 ;
+} /* wav_command */
+
+static int
+wav_subchunk_parse (SF_PRIVATE *psf, int chunk)
+{	sf_count_t	current_pos ;
+	char		*cptr ;
+	unsigned 	dword, bytesread, length ;
+
+	current_pos = psf_fseek (psf, 0, SEEK_CUR) ;
+
+	bytesread = psf_binheader_readf (psf, "4", &length) ;
+
+	if (length <= 8)
+	{	/* This case is for broken files generated by PEAK. */
+		psf_log_printf (psf, "%M : %d (weird length)\n", chunk, length) ;
+		psf_binheader_readf (psf, "mj", &chunk, length - 4) ;
+		psf_log_printf (psf, "  %M\n", chunk) ;
+		return 0 ;
+		} ;
+
+	if (psf->headindex + length > SIGNED_SIZEOF (psf->header))
+	{	psf_log_printf (psf, "%M : %d (too long)\n", chunk, length) ;
+		psf_binheader_readf (psf, "j", length) ;
+		return 0 ;
+		} ;
+
+	if (current_pos + length > psf->filelength)
+	{	psf_log_printf (psf, "%M : %d (should be %d)\n", chunk, length, (int) (psf->filelength - current_pos)) ;
+		length = psf->filelength - current_pos ;
+		}
+	else
+		psf_log_printf (psf, "%M : %d\n", chunk, length) ;
+
+	while (bytesread < length)
+	{	bytesread += psf_binheader_readf (psf, "m", &chunk) ;
+
+		switch (chunk)
+		{	case adtl_MARKER :
+			case INFO_MARKER :
+					/* These markers don't contain anything. */
+					psf_log_printf (psf, "  %M\n", chunk) ;
+					break ;
+
+			case data_MARKER :
+					psf_log_printf (psf, "  %M inside a LIST block??? Backing out.\n", chunk) ;
+					/* Jump back four bytes and return to caller. */
+					psf_binheader_readf (psf, "j", -4) ;
+					return 0 ;
+
+			case ISFT_MARKER :
+			case ICOP_MARKER :
+			case IARL_MARKER :
+			case IART_MARKER :
+			case ICMT_MARKER :
+			case ICRD_MARKER :
+			case IENG_MARKER :
+			case IGNR_MARKER :
+			case INAM_MARKER :
+			case IPRD_MARKER :
+			case ISBJ_MARKER :
+			case ISRC_MARKER :
+					bytesread += psf_binheader_readf (psf, "4", &dword) ;
+					dword += (dword & 1) ;
+					if (dword >= SIGNED_SIZEOF (psf->u.cbuf))
+					{	psf_log_printf (psf, "  *** %M : %d (too big)\n", chunk, dword) ;
+						psf_binheader_readf (psf, "j", dword) ;
+						break ;
+						} ;
+
+					cptr = psf->u.cbuf ;
+					psf_binheader_readf (psf, "b", cptr, dword) ;
+					bytesread += dword ;
+					cptr [dword] = 0 ;
+					psf_log_printf (psf, "    %M : %s\n", chunk, cptr) ;
+					break ;
+
+			case labl_MARKER :
+					{	int mark_id ;
+
+						bytesread += psf_binheader_readf (psf, "44", &dword, &mark_id) ;
+						dword -= 4 ;
+						dword += (dword & 1) ;
+						if (dword < 1 || dword >= SIGNED_SIZEOF (psf->u.cbuf))
+						{	psf_log_printf (psf, "  *** %M : %d (too big)\n", chunk, dword) ;
+							psf_binheader_readf (psf, "j", dword) ;
+							break ;
+							} ;
+
+						cptr = psf->u.cbuf ;
+						psf_binheader_readf (psf, "b", cptr, dword) ;
+						bytesread += dword ;
+						cptr [dword] = 0 ;
+						psf_log_printf (psf, "    %M : %d : %s\n", chunk, mark_id, cptr) ;
+						} ;
+					break ;
+
+
+			case DISP_MARKER :
+			case ltxt_MARKER :
+			case note_MARKER :
+					bytesread += psf_binheader_readf (psf, "4", &dword) ;
+					dword += (dword & 1) ;
+					psf_binheader_readf (psf, "j", dword) ;
+					bytesread += dword ;
+					psf_log_printf (psf, "    %M : %d\n", chunk, dword) ;
+					break ;
+
+			case exif_MARKER :
+					psf_log_printf (psf, "  %M\n", chunk) ;
+					bytesread += exif_subchunk_parse (psf, length - bytesread) ;
+					break ;
+
+			case 0 :
+					/*
+					**	Four zero bytes where a marker was expected. Assume this means
+					**	the rest of the chunk is garbage.
+					*/
+					psf_log_printf (psf, "    *** Found weird-ass zero marker. Jumping to end of chunk.\n") ;
+					if (bytesread < length)
+						bytesread += psf_binheader_readf (psf, "j", length - bytesread + 4) ;
+					psf_log_printf (psf, "    *** Offset is now : 0x%X\n", psf_fseek (psf, 0, SEEK_CUR)) ;
+					return 0 ;
+
+			default :
+					psf_binheader_readf (psf, "4", &dword) ;
+					bytesread += sizeof (dword) ;
+					dword += (dword & 1) ;
+					psf_binheader_readf (psf, "j", dword) ;
+					bytesread += dword ;
+					psf_log_printf (psf, "    *** %M : %d\n", chunk, dword) ;
+					if (dword > length)
+						return 0 ;
+					break ;
+			} ;
+
+		switch (chunk)
+		{	case ISFT_MARKER :
+					psf_store_string (psf, SF_STR_SOFTWARE, psf->u.cbuf) ;
+					break ;
+			case ICOP_MARKER :
+					psf_store_string (psf, SF_STR_COPYRIGHT, psf->u.cbuf) ;
+					break ;
+			case INAM_MARKER :
+					psf_store_string (psf, SF_STR_TITLE, psf->u.cbuf) ;
+					break ;
+			case IART_MARKER :
+					psf_store_string (psf, SF_STR_ARTIST, psf->u.cbuf) ;
+					break ;
+			case ICMT_MARKER :
+					psf_store_string (psf, SF_STR_COMMENT, psf->u.cbuf) ;
+					break ;
+			case ICRD_MARKER :
+					psf_store_string (psf, SF_STR_DATE, psf->u.cbuf) ;
+					break ;
+			case IGNR_MARKER :
+					psf_store_string (psf, SF_STR_GENRE, psf->u.cbuf) ;
+					break ;
+			} ;
+		} ;
+
+	current_pos = psf_fseek (psf, 0, SEEK_CUR) - current_pos ;
+
+	if (current_pos - 4 != length)
+		psf_log_printf (psf, "**** Bad chunk length %d sbould be %D\n", length, current_pos - 4) ;
+
+	return 0 ;
+} /* wav_subchunk_parse */
+
+static int
+wav_read_smpl_chunk (SF_PRIVATE *psf, unsigned int chunklen)
+{	unsigned int bytesread = 0, dword, sampler_data, loop_count ;
+	unsigned int note, start, end, type = -1, count ;
+	int j, k ;
+
+	chunklen += (chunklen & 1) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	psf_log_printf (psf, "  Manufacturer : %X\n", dword) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	psf_log_printf (psf, "  Product      : %u\n", dword) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	psf_log_printf (psf, "  Period       : %u nsec\n", dword) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &note) ;
+	psf_log_printf (psf, "  Midi Note    : %u\n", note) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	if (dword != 0)
+	{	snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f",
+				 (1.0 * 0x80000000) / ((unsigned int) dword)) ;
+		psf_log_printf (psf, "  Pitch Fract. : %s\n", psf->u.cbuf) ;
+		}
+	else
+		psf_log_printf (psf, "  Pitch Fract. : 0\n") ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	psf_log_printf (psf, "  SMPTE Format : %u\n", dword) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+	snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%02d:%02d:%02d %02d",
+		 (dword >> 24) & 0x7F, (dword >> 16) & 0x7F, (dword >> 8) & 0x7F, dword & 0x7F) ;
+	psf_log_printf (psf, "  SMPTE Offset : %s\n", psf->u.cbuf) ;
+
+	bytesread += psf_binheader_readf (psf, "4", &loop_count) ;
+	psf_log_printf (psf, "  Loop Count   : %u\n", loop_count) ;
+
+	/* Sampler Data holds the number of data bytes after the CUE chunks which
+	** is not actually CUE data. Display value after CUE data.
+	*/
+	bytesread += psf_binheader_readf (psf, "4", &sampler_data) ;
+
+	if ((psf->instrument = psf_instrument_alloc ()) == NULL)
+		return SFE_MALLOC_FAILED ;
+
+	psf->instrument->loop_count = loop_count ;
+
+	for (j = 0 ; loop_count > 0 && chunklen - bytesread >= 24 ; j ++)
+	{	bytesread += psf_binheader_readf (psf, "4", &dword) ;
+		psf_log_printf (psf, "    Cue ID : %2u", dword) ;
+
+		bytesread += psf_binheader_readf (psf, "4", &type) ;
+		psf_log_printf (psf, "  Type : %2u", type) ;
+
+		bytesread += psf_binheader_readf (psf, "4", &start) ;
+		psf_log_printf (psf, "  Start : %5u", start) ;
+
+		bytesread += psf_binheader_readf (psf, "4", &end) ;
+		psf_log_printf (psf, "  End : %5u", end) ;
+
+		bytesread += psf_binheader_readf (psf, "4", &dword) ;
+		psf_log_printf (psf, "  Fraction : %5u", dword) ;
+
+		bytesread += psf_binheader_readf (psf, "4", &count) ;
+		psf_log_printf (psf, "  Count : %5u\n", count) ;
+
+		if (j < ARRAY_LEN (psf->instrument->loops))
+		{	psf->instrument->loops [j].start = start ;
+			psf->instrument->loops [j].end = end + 1 ;
+			psf->instrument->loops [j].count = count ;
+
+			switch (type)
+			{	case 0 :
+					psf->instrument->loops [j].mode = SF_LOOP_FORWARD ;
+					break ;
+				case 1 :
+					psf->instrument->loops [j].mode = SF_LOOP_ALTERNATING ;
+					break ;
+				case 2 :
+					psf->instrument->loops [j].mode = SF_LOOP_BACKWARD ;
+					break ;
+				default:
+					psf->instrument->loops [j].mode = SF_LOOP_NONE ;
+					break ;
+				} ;
+			} ;
+
+		loop_count -- ;
+		} ;
+
+	if (chunklen - bytesread == 0)
+	{	if (sampler_data != 0)
+			psf_log_printf (psf, "  Sampler Data : %u (should be 0)\n", sampler_data) ;
+		else
+			psf_log_printf (psf, "  Sampler Data : %u\n", sampler_data) ;
+		}
+	else
+	{	if (sampler_data != chunklen - bytesread)
+		{	psf_log_printf (psf, "  Sampler Data : %u (should have been %u)\n", sampler_data, chunklen - bytesread) ;
+			sampler_data = chunklen - bytesread ;
+			}
+		else
+			psf_log_printf (psf, "  Sampler Data : %u\n", sampler_data) ;
+
+		psf_log_printf (psf, "      ") ;
+		for (k = 0 ; k < (int) sampler_data ; k++)
+		{	char ch ;
+
+			if (k > 0 && (k % 20) == 0)
+				psf_log_printf (psf, "\n      ") ;
+
+			bytesread += psf_binheader_readf (psf, "1", &ch) ;
+			psf_log_printf (psf, "%02X ", ch & 0xFF) ;
+			} ;
+
+		psf_log_printf (psf, "\n") ;
+		} ;
+
+	psf->instrument->basenote = note ;
+	psf->instrument->gain = 1 ;
+	psf->instrument->velocity_lo = psf->instrument->key_lo = 0 ;
+	psf->instrument->velocity_hi = psf->instrument->key_hi = 127 ;
+
+	return 0 ;
+} /* wav_read_smpl_chunk */
+
+/*
+** The acid chunk goes a little something like this:
+**
+** 4 bytes          'acid'
+** 4 bytes (int)     length of chunk starting at next byte
+**
+** 4 bytes (int)     type of file:
+**        this appears to be a bit mask,however some combinations
+**        are probably impossible and/or qualified as "errors"
+**
+**        0x01 On: One Shot         Off: Loop
+**        0x02 On: Root note is Set Off: No root
+**        0x04 On: Stretch is On,   Off: Strech is OFF
+**        0x08 On: Disk Based       Off: Ram based
+**        0x10 On: ??????????       Off: ????????? (Acidizer puts that ON)
+**
+** 2 bytes (short)      root note
+**        if type 0x10 is OFF : [C,C#,(...),B] -> [0x30 to 0x3B]
+**        if type 0x10 is ON  : [C,C#,(...),B] -> [0x3C to 0x47]
+**         (both types fit on same MIDI pitch albeit different octaves, so who cares)
+**
+** 2 bytes (short)      ??? always set to 0x8000
+** 4 bytes (float)      ??? seems to be always 0
+** 4 bytes (int)        number of beats
+** 2 bytes (short)      meter denominator   //always 4 in SF/ACID
+** 2 bytes (short)      meter numerator     //always 4 in SF/ACID
+**                      //are we sure about the order?? usually its num/denom
+** 4 bytes (float)      tempo
+**
+*/
+
+static int
+wav_read_acid_chunk (SF_PRIVATE *psf, unsigned int chunklen)
+{	unsigned int bytesread = 0 ;
+	int	beats, flags ;
+	short rootnote, q1, meter_denom, meter_numer ;
+	float q2, tempo ;
+
+	chunklen += (chunklen & 1) ;
+
+	bytesread += psf_binheader_readf (psf, "422f", &flags, &rootnote, &q1, &q2) ;
+
+	snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f", q2) ;
+
+	psf_log_printf (psf, "  Flags     : 0x%04x (%s,%s,%s,%s,%s)\n", flags,
+			(flags & 0x01) ? "OneShot" : "Loop",
+			(flags & 0x02) ? "RootNoteValid" : "RootNoteInvalid",
+			(flags & 0x04) ? "StretchOn" : "StretchOff",
+			(flags & 0x08) ? "DiskBased" : "RAMBased",
+			(flags & 0x10) ? "??On" : "??Off") ;
+
+	psf_log_printf (psf, "  Root note : 0x%x\n  ????      : 0x%04x\n  ????      : %s\n",
+				rootnote, q1, psf->u.cbuf) ;
+
+	bytesread += psf_binheader_readf (psf, "422f", &beats, &meter_denom, &meter_numer, &tempo) ;
+	snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%f", tempo) ;
+	psf_log_printf (psf, "  Beats     : %d\n  Meter     : %d/%d\n  Tempo     : %s\n",
+				beats, meter_numer, meter_denom, psf->u.cbuf) ;
+
+	psf_binheader_readf (psf, "j", chunklen - bytesread) ;
+
+	if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL)
+		return SFE_MALLOC_FAILED ;
+
+	psf->loop_info->time_sig_num	= meter_numer ;
+	psf->loop_info->time_sig_den	= meter_denom ;
+	psf->loop_info->loop_mode		= (flags & 0x01) ? SF_LOOP_NONE : SF_LOOP_FORWARD ;
+	psf->loop_info->num_beats		= beats ;
+	psf->loop_info->bpm				= tempo ;
+	psf->loop_info->root_key		= (flags & 0x02) ? rootnote : -1 ;
+
+	return 0 ;
+} /* wav_read_acid_chunk */
+
+int
+wav_read_bext_chunk (SF_PRIVATE *psf, unsigned int chunksize)
+{
+	SF_BROADCAST_INFO_16K * b ;
+	unsigned int bytes = 0 ;
+
+	if (chunksize < WAV_BEXT_MIN_CHUNK_SIZE)
+	{	psf_log_printf (psf, "bext : %u (should be >= %d)\n", chunksize, WAV_BEXT_MIN_CHUNK_SIZE) ;
+		psf_binheader_readf (psf, "j", chunksize) ;
+		return 0 ;
+		} ;
+
+	if (chunksize > WAV_BEXT_MAX_CHUNK_SIZE)
+	{	psf_log_printf (psf, "bext : %u (should be < %d)\n", chunksize, WAV_BEXT_MAX_CHUNK_SIZE) ;
+		psf_binheader_readf (psf, "j", chunksize) ;
+		return 0 ;
+		} ;
+
+	if (chunksize >= sizeof (SF_BROADCAST_INFO_16K))
+	{	psf_log_printf (psf, "bext : %u too big to be handled\n", chunksize) ;
+		psf_binheader_readf (psf, "j", chunksize) ;
+		return 0 ;
+		} ;
+
+	psf_log_printf (psf, "bext : %u\n", chunksize) ;
+
+	if ((psf->broadcast_16k = broadcast_var_alloc ()) == NULL)
+	{	psf->error = SFE_MALLOC_FAILED ;
+		return psf->error ;
+		} ;
+
+	b = psf->broadcast_16k ;
+
+	bytes += psf_binheader_readf (psf, "b", b->description, sizeof (b->description)) ;
+	bytes += psf_binheader_readf (psf, "b", b->originator, sizeof (b->originator)) ;
+	bytes += psf_binheader_readf (psf, "b", b->originator_reference, sizeof (b->originator_reference)) ;
+	bytes += psf_binheader_readf (psf, "b", b->origination_date, sizeof (b->origination_date)) ;
+	bytes += psf_binheader_readf (psf, "b", b->origination_time, sizeof (b->origination_time)) ;
+	bytes += psf_binheader_readf (psf, "442", &b->time_reference_low, &b->time_reference_high, &b->version) ;
+	bytes += psf_binheader_readf (psf, "bj", &b->umid, sizeof (b->umid), 190) ;
+
+	if (chunksize > WAV_BEXT_MIN_CHUNK_SIZE)
+	{	/* File has coding history data. */
+
+		b->coding_history_size = chunksize - WAV_BEXT_MIN_CHUNK_SIZE ;
+
+		/* We do not parse the coding history */
+		bytes += psf_binheader_readf (psf, "b", b->coding_history, b->coding_history_size) ;
+		} ;
+
+	if (bytes < chunksize)
+		psf_binheader_readf (psf, "j", chunksize - bytes) ;
+
+	return 0 ;
+} /* wav_read_bext_chunk */
+
+int
+wav_write_bext_chunk (SF_PRIVATE *psf)
+{	SF_BROADCAST_INFO_16K *b ;
+
+	if (psf->broadcast_16k == NULL)
+		return -1 ;
+
+	b = psf->broadcast_16k ;
+
+	psf_binheader_writef (psf, "m4", bext_MARKER, WAV_BEXT_MIN_CHUNK_SIZE + b->coding_history_size) ;
+
+	/*
+	**	Note that it is very important the the field widths of the SF_BROADCAST_INFO
+	**	struct match those for the bext chunk fields.
+	*/
+
+	psf_binheader_writef (psf, "b", b->description, sizeof (b->description)) ;
+	psf_binheader_writef (psf, "b", b->originator, sizeof (b->originator)) ;
+	psf_binheader_writef (psf, "b", b->originator_reference, sizeof (b->originator_reference)) ;
+	psf_binheader_writef (psf, "b", b->origination_date, sizeof (b->origination_date)) ;
+	psf_binheader_writef (psf, "b", b->origination_time, sizeof (b->origination_time)) ;
+	psf_binheader_writef (psf, "442", b->time_reference_low, b->time_reference_high, b->version) ;
+	psf_binheader_writef (psf, "b", b->umid, sizeof (b->umid)) ;
+	psf_binheader_writef (psf, "z", make_size_t (190)) ;
+
+	if (b->coding_history_size > 0)
+		psf_binheader_writef (psf, "b", b->coding_history, make_size_t (b->coding_history_size)) ;
+
+	return 0 ;
+} /* wav_write_bext_chunk */
+
+static int
+exif_fill_and_sink (SF_PRIVATE *psf, char* buf, size_t bufsz, size_t toread)
+{
+	size_t bytesread = 0 ;
+
+	buf [0] = 0 ;
+	bufsz -= 1 ;
+	if (toread < bufsz)
+		bufsz = toread ;
+	bytesread = psf_binheader_readf (psf, "b", buf, bufsz) ;
+	buf [bufsz] = 0 ;
+
+	if (bytesread == bufsz && toread > bufsz)
+		bytesread += psf_binheader_readf (psf, "j", toread - bufsz) ;
+
+	return bytesread ;
+} /* exif_fill_and_sink */
+
+/*
+** Exif specification for audio files, at JEITA CP-3451 Exif 2.2 section 5
+** (Exif Audio File Specification) http://www.exif.org/Exif2-2.PDF
+*/
+static int
+exif_subchunk_parse (SF_PRIVATE *psf, unsigned int length)
+{	unsigned marker, dword, vmajor = -1, vminor = -1, bytesread = 0 ;
+	char buf [4096] ;
+
+	while (bytesread < length)
+	{
+		bytesread += psf_binheader_readf (psf, "m", &marker) ;
+
+		switch (marker)
+		{
+			case 0 : /* camera padding? */
+				break ;
+
+			case ever_MARKER :
+				bytesread += psf_binheader_readf (psf, "j4", 4, &dword) ;
+				vmajor = 10 * (((dword >> 24) & 0xff) - '0') + (((dword >> 16) & 0xff) - '0') ;
+				vminor = 10 * (((dword >> 8) & 0xff) - '0') + ((dword & 0xff) - '0') ;
+				psf_log_printf (psf, "    EXIF Version : %u.%02u\n", vmajor, vminor) ;
+				break ;
+
+			case emnt_MARKER : /* design information: null-terminated string */
+			case emdl_MARKER : /* model name ; null-terminated string */
+			case ecor_MARKER : /* manufacturer: null-terminated string */
+			case etim_MARKER : /* creation time: null-terminated string in the format "hour:minute:second.subsecond" */
+			case erel_MARKER : /* relation info: null-terminated string (filename) */
+			case eucm_MARKER : /* user comment: 4-byte size follows, then possibly unicode data */
+				psf_binheader_readf (psf, "4", &dword) ;
+				bytesread += sizeof (dword) ;
+				dword += (dword & 1) ;
+
+				if (dword >= sizeof (buf))
+				{	psf_log_printf (psf, "*** Marker '%M' is too big %u\n\n", marker, dword) ;
+					return bytesread ;
+					} ;
+
+				bytesread += exif_fill_and_sink (psf, buf, sizeof (buf), dword) ;
+
+				/* BAD - don't know what's going on here -- maybe a bug in the camera */
+				/* field should be NULL-terminated but there's no room for it with the reported number */
+				/*  example output:     emdl : 8 (EX-Z1050) */
+				if (marker == emdl_MARKER && dword == strlen (buf) /* should be >= strlen+1*/)
+				{	psf_log_printf (psf, "    *** field size too small for string (sinking 2 bytes)\n") ;
+					bytesread += psf_binheader_readf (psf, "j", 2) ;
+					} ;
+
+				psf_log_printf (psf, "    %M : %d (%s)\n", marker, dword, buf) ;
+				if (dword > length)
+					return bytesread ;
+				break ;
+
+			default :
+				psf_log_printf (psf, "    *** %M (%d): -- ignored --\n", marker, marker) ;
+				break ;
+			} ;
+		} ;
+
+	return bytesread ;
+} /* exif_subchunk_parse */
+