X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/992d59159547267e1491fcd1c5123765b4c452b8..63cf293f572ae7d5c1c83b9dffb31e7d774f8854:/interpretor/lib/src/libsndfile-1.0.25/src/w64.c diff --git a/interpretor/lib/src/libsndfile-1.0.25/src/w64.c b/interpretor/lib/src/libsndfile-1.0.25/src/w64.c new file mode 100644 index 0000000..d561906 --- /dev/null +++ b/interpretor/lib/src/libsndfile-1.0.25/src/w64.c @@ -0,0 +1,639 @@ +/* +** Copyright (C) 1999-2011 Erik de Castro Lopo +** +** 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 +#include +#include +#include + +#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 */ +