--- /dev/null
+/*
+** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "sfconfig.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+
+#include "sndfile.h"
+#include "sfendian.h"
+#include "common.h"
+#include "wav_w64.h"
+
+/*------------------------------------------------------------------------------
+** W64 files use 16 byte markers as opposed to the four byte marker of
+** WAV files.
+** For comparison purposes, an integer is required, so make an integer
+** hash for the 16 bytes using MAKE_HASH16 macro, but also create a 16
+** byte array containing the complete 16 bytes required when writing the
+** header.
+*/
+
+#define MAKE_HASH16(x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,xa,xb,xc,xd,xe,xf) \
+ ( (x0) ^ ((x1) << 1) ^ ((x2) << 2) ^ ((x3) << 3) ^ \
+ ((x4) << 4) ^ ((x5) << 5) ^ ((x6) << 6) ^ ((x7) << 7) ^ \
+ ((x8) << 8) ^ ((x9) << 9) ^ ((xa) << 10) ^ ((xb) << 11) ^ \
+ ((xc) << 12) ^ ((xd) << 13) ^ ((xe) << 14) ^ ((xf) << 15) )
+
+#define MAKE_MARKER16(name,x0,x1,x2,x3,x4,x5,x6,x7,x8,x9,xa,xb,xc,xd,xe,xf) \
+ static unsigned char name [16] = { (x0), (x1), (x2), (x3), (x4), (x5), \
+ (x6), (x7), (x8), (x9), (xa), (xb), (xc), (xd), (xe), (xf) }
+
+#define riff_HASH16 MAKE_HASH16 ('r', 'i', 'f', 'f', 0x2E, 0x91, 0xCF, 0x11, \
+ 0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00)
+
+#define wave_HASH16 MAKE_HASH16 ('w', 'a', 'v', 'e', 0xF3, 0xAC, 0xD3, 0x11, \
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define fmt_HASH16 MAKE_HASH16 ('f', 'm', 't', ' ', 0xF3, 0xAC, 0xD3, 0x11, \
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define fact_HASH16 MAKE_HASH16 ('f', 'a', 'c', 't', 0xF3, 0xAC, 0xD3, 0x11, \
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define data_HASH16 MAKE_HASH16 ('d', 'a', 't', 'a', 0xF3, 0xAC, 0xD3, 0x11, \
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define ACID_HASH16 MAKE_HASH16 (0x6D, 0x07, 0x1C, 0xEA, 0xA3, 0xEF, 0x78, 0x4C, \
+ 0x90, 0x57, 0x7F, 0x79, 0xEE, 0x25, 0x2A, 0xAE)
+
+#define levl_HASH16 MAKE_HASH16 (0x6c, 0x65, 0x76, 0x6c, 0xf3, 0xac, 0xd3, 0x11, \
+ 0xd1, 0x8c, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define list_HASH16 MAKE_HASH16 (0x6C, 0x69, 0x73, 0x74, 0x2F, 0x91, 0xCF, 0x11, \
+ 0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00)
+
+#define junk_HASH16 MAKE_HASH16 (0x6A, 0x75, 0x6E, 0x6b, 0xF3, 0xAC, 0xD3, 0x11, \
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4f, 0x8E, 0xDB, 0x8A)
+
+#define bext_MARKER MAKE_HASH16 (0x62, 0x65, 0x78, 0x74, 0xf3, 0xac, 0xd3, 0xaa, \
+ 0xd1, 0x8c, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+#define MARKER_HASH16 MAKE_HASH16 (0x56, 0x62, 0xf7, 0xab, 0x2d, 0x39, 0xd2, 0x11, \
+ 0x86, 0xc7, 0x00, 0xc0, 0x4f, 0x8e, 0xdb, 0x8a)
+
+#define SUMLIST_HASH16 MAKE_HASH16 (0xBC, 0x94, 0x5F, 0x92, 0x5A, 0x52, 0xD2, 0x11, \
+ 0x86, 0xDC, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A)
+
+
+MAKE_MARKER16 (riff_MARKER16, 'r', 'i', 'f', 'f', 0x2E, 0x91, 0xCF, 0x11,
+ 0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00) ;
+
+
+MAKE_MARKER16 (wave_MARKER16, 'w', 'a', 'v', 'e', 0xF3, 0xAC, 0xD3, 0x11,
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A) ;
+
+MAKE_MARKER16 (fmt_MARKER16, 'f', 'm', 't', ' ', 0xF3, 0xAC, 0xD3, 0x11,
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A) ;
+
+MAKE_MARKER16 (fact_MARKER16, 'f', 'a', 'c', 't', 0xF3, 0xAC, 0xD3, 0x11,
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A) ;
+
+MAKE_MARKER16 (data_MARKER16, 'd', 'a', 't', 'a', 0xF3, 0xAC, 0xD3, 0x11,
+ 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A) ;
+
+enum
+{ HAVE_riff = 0x01,
+ HAVE_wave = 0x02,
+ HAVE_fmt = 0x04,
+ HAVE_fact = 0x08,
+ HAVE_data = 0x20
+} ;
+
+/*------------------------------------------------------------------------------
+ * Private static functions.
+ */
+
+static int w64_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock) ;
+static int w64_write_header (SF_PRIVATE *psf, int calc_length) ;
+static int w64_close (SF_PRIVATE *psf) ;
+
+/*------------------------------------------------------------------------------
+** Public function.
+*/
+
+int
+w64_open (SF_PRIVATE *psf)
+{ WAV_PRIVATE * wpriv ;
+ int subformat, error, blockalign = 0, framesperblock = 0 ;
+
+ if ((wpriv = calloc (1, sizeof (WAV_PRIVATE))) == NULL)
+ return SFE_MALLOC_FAILED ;
+ psf->container_data = wpriv ;
+
+ if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR &&psf->filelength > 0))
+ { if ((error = w64_read_header (psf, &blockalign, &framesperblock)))
+ return error ;
+ } ;
+
+ if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_W64)
+ return SFE_BAD_OPEN_FORMAT ;
+
+ 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 ;
+
+ psf->endian = SF_ENDIAN_LITTLE ; /* All W64 files are little endian. */
+
+ psf->blockwidth = psf->bytewidth * psf->sf.channels ;
+
+ if (subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM)
+ { blockalign = wav_w64_srate2blocksize (psf->sf.samplerate * psf->sf.channels) ;
+ framesperblock = -1 ;
+
+ /* FIXME : This block must go */
+ psf->filelength = SF_COUNT_MAX ;
+ psf->datalength = psf->filelength ;
+ if (psf->sf.frames <= 0)
+ psf->sf.frames = (psf->blockwidth) ? psf->filelength / psf->blockwidth : psf->filelength ;
+ /* EMXIF : This block must go */
+ } ;
+
+ if ((error = w64_write_header (psf, SF_FALSE)))
+ return error ;
+
+ psf->write_header = w64_write_header ;
+ } ;
+
+ psf->container_close = w64_close ;
+
+ switch (subformat)
+ { case SF_FORMAT_PCM_U8 :
+ error = pcm_init (psf) ;
+ break ;
+
+ 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 ;
+ /* Lite remove end */
+
+ case SF_FORMAT_GSM610 :
+ error = gsm610_init (psf) ;
+ break ;
+
+ default : return SFE_UNIMPLEMENTED ;
+ } ;
+
+ return error ;
+} /* w64_open */
+
+/*=========================================================================
+** Private functions.
+*/
+
+static int
+w64_read_header (SF_PRIVATE *psf, int *blockalign, int *framesperblock)
+{ WAV_PRIVATE *wpriv ;
+ WAV_FMT *wav_fmt ;
+ int dword = 0, marker, format = 0 ;
+ sf_count_t chunk_size, bytesread = 0 ;
+ int parsestage = 0, error, done = 0 ;
+
+ 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)
+ { /* Each new chunk must start on an 8 byte boundary, so jump if needed. */
+ if (psf->headindex & 0x7)
+ psf_binheader_readf (psf, "j", 8 - (psf->headindex & 0x7)) ;
+
+ /* Generate hash of 16 byte marker. */
+ bytesread += psf_binheader_readf (psf, "h", &marker) ;
+ chunk_size = 0 ;
+
+ switch (marker)
+ { case riff_HASH16 :
+ if (parsestage)
+ return SFE_W64_NO_RIFF ;
+
+ bytesread += psf_binheader_readf (psf, "e8", &chunk_size) ;
+
+ if (psf->filelength != chunk_size)
+ psf_log_printf (psf, "riff : %D (should be %D)\n", chunk_size, psf->filelength) ;
+ else
+ psf_log_printf (psf, "riff : %D\n", chunk_size) ;
+
+ parsestage |= HAVE_riff ;
+ break ;
+
+ case ACID_HASH16:
+ psf_log_printf (psf, "Looks like an ACID file. Exiting.\n") ;
+ return SFE_UNIMPLEMENTED ;
+
+ case wave_HASH16 :
+ if ((parsestage & HAVE_riff) != HAVE_riff)
+ return SFE_W64_NO_WAVE ;
+ psf_log_printf (psf, "wave\n") ;
+ parsestage |= HAVE_wave ;
+ break ;
+
+ case fmt_HASH16 :
+ if ((parsestage & (HAVE_riff | HAVE_wave)) != (HAVE_riff | HAVE_wave))
+ return SFE_WAV_NO_FMT ;
+
+ bytesread += psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, " fmt : %D\n", chunk_size) ;
+
+ /* size of 16 byte marker and 8 byte chunk_size value. */
+ chunk_size -= 24 ;
+
+ if ((error = wav_w64_read_fmt_chunk (psf, (int) chunk_size)))
+ return error ;
+
+ if (chunk_size % 8)
+ psf_binheader_readf (psf, "j", 8 - (chunk_size % 8)) ;
+
+ format = wav_fmt->format ;
+ parsestage |= HAVE_fmt ;
+ break ;
+
+ case fact_HASH16:
+ { sf_count_t frames ;
+
+ psf_binheader_readf (psf, "e88", &chunk_size, &frames) ;
+ psf_log_printf (psf, " fact : %D\n frames : %D\n",
+ chunk_size, frames) ;
+ } ;
+ break ;
+
+
+ case data_HASH16 :
+ if ((parsestage & (HAVE_riff | HAVE_wave | HAVE_fmt)) != (HAVE_riff | HAVE_wave | HAVE_fmt))
+ return SFE_W64_NO_DATA ;
+
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+
+ psf->dataoffset = psf_ftell (psf) ;
+
+ psf->datalength = chunk_size - 24 ;
+
+ if (chunk_size % 8)
+ chunk_size += 8 - (chunk_size % 8) ;
+
+ psf_log_printf (psf, "data : %D\n", chunk_size) ;
+
+ parsestage |= HAVE_data ;
+
+ if (! psf->sf.seekable)
+ break ;
+
+ /* Seek past data and continue reading header. */
+ psf_fseek (psf, chunk_size, SEEK_CUR) ;
+ break ;
+
+ case levl_HASH16 :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "levl : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ case list_HASH16 :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "list : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ case junk_HASH16 :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "junk : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ case bext_MARKER :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "bext : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ case MARKER_HASH16 :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "marker : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ case SUMLIST_HASH16 :
+ psf_binheader_readf (psf, "e8", &chunk_size) ;
+ psf_log_printf (psf, "summary list : %D\n", chunk_size) ;
+ dword = chunk_size ;
+ psf_binheader_readf (psf, "j", dword - 24) ;
+ break ;
+
+ default :
+ psf_log_printf (psf, "*** Unknown chunk marker : %X. Exiting parser.\n", marker) ;
+ done = SF_TRUE ;
+ break ;
+ } ; /* switch (dword) */
+
+ if (psf->sf.seekable == 0 && (parsestage & HAVE_data))
+ break ;
+
+ if (psf_ftell (psf) >= (psf->filelength - (2 * SIGNED_SIZEOF (dword))))
+ break ;
+ } ; /* while (1) */
+
+ if (psf->dataoffset <= 0)
+ return SFE_W64_NO_DATA ;
+
+ psf->endian = SF_ENDIAN_LITTLE ; /* All W64 files are little endian. */
+
+ if (psf_ftell (psf) != psf->dataoffset)
+ 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_PCM :
+ case WAVE_FORMAT_EXTENSIBLE :
+ /* extensible might be FLOAT, MULAW, etc as well! */
+ psf->sf.format = SF_FORMAT_W64 | u_bitwidth_to_subformat (psf->bytewidth * 8) ;
+ break ;
+
+ case WAVE_FORMAT_MULAW :
+ psf->sf.format = (SF_FORMAT_W64 | SF_FORMAT_ULAW) ;
+ break ;
+
+ case WAVE_FORMAT_ALAW :
+ psf->sf.format = (SF_FORMAT_W64 | SF_FORMAT_ALAW) ;
+ break ;
+
+ case WAVE_FORMAT_MS_ADPCM :
+ psf->sf.format = (SF_FORMAT_W64 | 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_W64 | SF_FORMAT_IMA_ADPCM) ;
+ *blockalign = wav_fmt->ima.blockalign ;
+ *framesperblock = wav_fmt->ima.samplesperblock ;
+ break ;
+
+ case WAVE_FORMAT_GSM610 :
+ psf->sf.format = (SF_FORMAT_W64 | SF_FORMAT_GSM610) ;
+ break ;
+
+ case WAVE_FORMAT_IEEE_FLOAT :
+ psf->sf.format = SF_FORMAT_W64 ;
+ psf->sf.format |= (psf->bytewidth == 8) ? SF_FORMAT_DOUBLE : SF_FORMAT_FLOAT ;
+ break ;
+
+ default : return SFE_UNIMPLEMENTED ;
+ } ;
+
+ return 0 ;
+} /* w64_read_header */
+
+static int
+w64_write_header (SF_PRIVATE *psf, int calc_length)
+{ sf_count_t fmt_size, current ;
+ size_t fmt_pad = 0 ;
+ int subformat, add_fact_chunk = SF_FALSE ;
+
+ current = psf_ftell (psf) ;
+
+ 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)
+ 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) ;
+
+ /* riff marker, length, wave and 'fmt ' markers. */
+ psf_binheader_writef (psf, "eh8hh", riff_MARKER16, psf->filelength, wave_MARKER16, fmt_MARKER16) ;
+
+ 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 = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : format, channels, samplerate */
+ psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_PCM, psf->sf.channels, psf->sf.samplerate) ;
+ /* fmt : bytespersec */
+ psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+ /* fmt : blockalign, bitwidth */
+ psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
+ break ;
+
+ case SF_FORMAT_FLOAT :
+ case SF_FORMAT_DOUBLE :
+ fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : format, channels, samplerate */
+ psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_IEEE_FLOAT, psf->sf.channels, psf->sf.samplerate) ;
+ /* fmt : bytespersec */
+ psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+ /* fmt : blockalign, bitwidth */
+ psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, psf->bytewidth * 8) ;
+
+ add_fact_chunk = SF_TRUE ;
+ break ;
+
+ case SF_FORMAT_ULAW :
+ fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : format, channels, samplerate */
+ psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_MULAW, psf->sf.channels, psf->sf.samplerate) ;
+ /* fmt : bytespersec */
+ psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+ /* fmt : blockalign, bitwidth */
+ psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, 8) ;
+
+ add_fact_chunk = SF_TRUE ;
+ break ;
+
+ case SF_FORMAT_ALAW :
+ fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : format, channels, samplerate */
+ psf_binheader_writef (psf, "e8224", fmt_size, WAVE_FORMAT_ALAW, psf->sf.channels, psf->sf.samplerate) ;
+ /* fmt : bytespersec */
+ psf_binheader_writef (psf, "e4", psf->sf.samplerate * psf->bytewidth * psf->sf.channels) ;
+ /* fmt : blockalign, bitwidth */
+ psf_binheader_writef (psf, "e22", psf->bytewidth * psf->sf.channels, 8) ;
+
+ 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 = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : size, WAV format type, channels. */
+ psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_IMA_ADPCM, psf->sf.channels) ;
+
+ /* fmt : samplerate, bytespersec. */
+ psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
+
+ /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+ psf_binheader_writef (psf, "e2222", 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 = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + extrabytes ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : size, W64 format type, channels. */
+ psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_MS_ADPCM, psf->sf.channels) ;
+
+ /* fmt : samplerate, bytespersec. */
+ psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
+
+ /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+ psf_binheader_writef (psf, "e22222", blockalign, 4, extrabytes, framesperblock, 7) ;
+
+ msadpcm_write_adapt_coeffs (psf) ;
+ } ;
+
+ add_fact_chunk = SF_TRUE ;
+ break ;
+ /* Lite remove end */
+
+ case SF_FORMAT_GSM610 :
+ { int bytespersec ;
+
+ bytespersec = (psf->sf.samplerate * WAV_W64_GSM610_BLOCKSIZE) / WAV_W64_GSM610_SAMPLES ;
+
+ /* fmt chunk. */
+ fmt_size = 24 + 2 + 2 + 4 + 4 + 2 + 2 + 2 + 2 ;
+ fmt_pad = (size_t) (8 - (fmt_size & 0x7)) ;
+ fmt_size += fmt_pad ;
+
+ /* fmt : size, WAV format type, channels. */
+ psf_binheader_writef (psf, "e822", fmt_size, WAVE_FORMAT_GSM610, psf->sf.channels) ;
+
+ /* fmt : samplerate, bytespersec. */
+ psf_binheader_writef (psf, "e44", psf->sf.samplerate, bytespersec) ;
+
+ /* fmt : blockalign, bitwidth, extrabytes, framesperblock. */
+ psf_binheader_writef (psf, "e2222", WAV_W64_GSM610_BLOCKSIZE, 0, 2, WAV_W64_GSM610_SAMPLES) ;
+ } ;
+
+ add_fact_chunk = SF_TRUE ;
+ break ;
+
+ default : return SFE_UNIMPLEMENTED ;
+ } ;
+
+ /* Pad to 8 bytes with zeros. */
+ if (fmt_pad > 0)
+ psf_binheader_writef (psf, "z", fmt_pad) ;
+
+ if (add_fact_chunk)
+ psf_binheader_writef (psf, "eh88", fact_MARKER16, (sf_count_t) (16 + 8 + 8), psf->sf.frames) ;
+
+ psf_binheader_writef (psf, "eh8", data_MARKER16, psf->datalength + 24) ;
+ psf_fwrite (psf->header, psf->headindex, 1, psf) ;
+
+ if (psf->error)
+ return psf->error ;
+
+ psf->dataoffset = psf->headindex ;
+
+ if (current > 0)
+ psf_fseek (psf, current, SEEK_SET) ;
+
+ return psf->error ;
+} /* w64_write_header */
+
+static int
+w64_close (SF_PRIVATE *psf)
+{
+ if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
+ w64_write_header (psf, SF_TRUE) ;
+
+ return 0 ;
+} /* w64_close */
+
projects / Faustine.git / blobdiff