diff options
Diffstat (limited to 'libs/libsndfile/src/w64.c')
| -rw-r--r-- | libs/libsndfile/src/w64.c | 578 |
1 files changed, 0 insertions, 578 deletions
diff --git a/libs/libsndfile/src/w64.c b/libs/libsndfile/src/w64.c deleted file mode 100644 index 756b093153..0000000000 --- a/libs/libsndfile/src/w64.c +++ /dev/null @@ -1,578 +0,0 @@ -/* -** Copyright (C) 1999-2005 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) - -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) -{ int subformat, error, blockalign = 0, framesperblock = 0 ; - - if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR &&psf->filelength > 0)) - { if ((error = w64_read_header (psf, &blockalign, &framesperblock))) - return error ; - } ; - - if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_W64) - return SFE_BAD_OPEN_FORMAT ; - - subformat = psf->sf.format & SF_FORMAT_SUBMASK ; - - if (psf->mode == SFM_WRITE || psf->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_FMT wav_fmt ; - int dword = 0, marker, format = 0 ; - sf_count_t chunk_size, bytesread = 0 ; - int parsestage = 0, error, done = 0 ; - - /* Set position to start of file to begin reading header. */ - memset (&wav_fmt, 0, sizeof (wav_fmt)) ; - psf_binheader_readf (psf, "p", 0) ; - - while (! done) - { /* Read the 4 byte marker and jump 12 bytes. */ - 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_W64_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, &wav_fmt, (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 ; - - default : - if (psf_ftell (psf) & 0x0F) - { psf_log_printf (psf, " Unknown chunk marker at position %d. Resynching.\n", dword - 4) ; - psf_binheader_readf (psf, "j", -3) ; - break ; - } ; - 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) - return SFE_W64_NO_DATA ; - - psf->endian = SF_ENDIAN_LITTLE ; /* All WAV 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 - 8, wave_MARKER16, fmt_MARKER16) ; - - subformat = psf->sf.format & SF_FORMAT_SUBMASK ; - - 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->mode == SFM_WRITE || psf->mode == SFM_RDWR) - w64_write_header (psf, SF_TRUE) ; - - return 0 ; -} /* w64_close */ - - -/* -** Do not edit or modify anything in this comment block. -** The arch-tag line is a file identity tag for the GNU Arch -** revision control system. -** -** arch-tag: 9aa4e141-538a-4dd9-99c9-b3f0f2dd4f4a -*/ |