| /* |
| ** 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 */ |
| |