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audacia/lib-src/libsndfile/src/sndfile.c

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/*
** Copyright (C) 1999-2018 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 <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#include "sndfile.h"
#include "sfendian.h"
#include "common.h"
#define SNDFILE_MAGICK 0x1234C0DE
#ifdef __APPLE__
/*
** Detect if a compile for a universal binary is being attempted and barf if it is.
** See the URL below for the rationale.
*/
#ifdef __BIG_ENDIAN__
#if (CPU_IS_LITTLE_ENDIAN == 1)
#error "Universal binary compile detected. See http://www.mega-nerd.com/libsndfile/FAQ.html#Q018"
#endif
#endif
#ifdef __LITTLE_ENDIAN__
#if (CPU_IS_BIG_ENDIAN == 1)
#error "Universal binary compile detected. See http://www.mega-nerd.com/libsndfile/FAQ.html#Q018"
#endif
#endif
#endif
typedef struct
{ int error ;
const char *str ;
} ErrorStruct ;
static
ErrorStruct SndfileErrors [] =
{
/* Public error values and their associated strings. */
{ SF_ERR_NO_ERROR , "No Error." },
{ SF_ERR_UNRECOGNISED_FORMAT , "Format not recognised." },
{ SF_ERR_SYSTEM , "System error." /* Often replaced. */ },
{ SF_ERR_MALFORMED_FILE , "Supported file format but file is malformed." },
{ SF_ERR_UNSUPPORTED_ENCODING , "Supported file format but unsupported encoding." },
/* Private error values and their associated strings. */
{ SFE_ZERO_MAJOR_FORMAT , "Error : major format is 0." },
{ SFE_ZERO_MINOR_FORMAT , "Error : minor format is 0." },
{ SFE_BAD_FILE , "File does not exist or is not a regular file (possibly a pipe?)." },
{ SFE_BAD_FILE_READ , "File exists but no data could be read." },
{ SFE_OPEN_FAILED , "Could not open file." },
{ SFE_BAD_SNDFILE_PTR , "Not a valid SNDFILE* pointer." },
{ SFE_BAD_SF_INFO_PTR , "NULL SF_INFO pointer passed to libsndfile." },
{ SFE_BAD_SF_INCOMPLETE , "SF_PRIVATE struct incomplete and end of header parsing." },
{ SFE_BAD_FILE_PTR , "Bad FILE pointer." },
{ SFE_BAD_INT_PTR , "Internal error, Bad pointer." },
{ SFE_BAD_STAT_SIZE , "Error : software was misconfigured at compile time (sizeof statbuf.st_size)." },
{ SFE_NO_TEMP_DIR , "Error : Could not file temp dir." },
{ SFE_MALLOC_FAILED , "Internal malloc () failed." },
{ SFE_UNIMPLEMENTED , "File contains data in an unimplemented format." },
{ SFE_BAD_READ_ALIGN , "Attempt to read a non-integer number of channels." },
{ SFE_BAD_WRITE_ALIGN , "Attempt to write a non-integer number of channels." },
{ SFE_NOT_READMODE , "Read attempted on file currently open for write." },
{ SFE_NOT_WRITEMODE , "Write attempted on file currently open for read." },
{ SFE_BAD_MODE_RW , "Error : This file format does not support read/write mode." },
{ SFE_BAD_SF_INFO , "Internal error : SF_INFO struct incomplete." },
{ SFE_BAD_OFFSET , "Error : supplied offset beyond end of file." },
{ SFE_NO_EMBED_SUPPORT , "Error : embedding not supported for this file format." },
{ SFE_NO_EMBEDDED_RDWR , "Error : cannot open embedded file read/write." },
{ SFE_NO_PIPE_WRITE , "Error : this file format does not support pipe write." },
{ SFE_BAD_VIRTUAL_IO , "Error : bad pointer on SF_VIRTUAL_IO struct." },
{ SFE_BAD_BROADCAST_INFO_SIZE
, "Error : bad coding_history_size in SF_BROADCAST_INFO struct." },
{ SFE_BAD_BROADCAST_INFO_TOO_BIG
, "Error : SF_BROADCAST_INFO struct too large." },
{ SFE_BAD_CART_INFO_SIZE , "Error: SF_CART_INFO struct too large." },
{ SFE_BAD_CART_INFO_TOO_BIG , "Error: bad tag_text_size in SF_CART_INFO struct." },
{ SFE_INTERLEAVE_MODE , "Attempt to write to file with non-interleaved data." },
{ SFE_INTERLEAVE_SEEK , "Bad karma in seek during interleave read operation." },
{ SFE_INTERLEAVE_READ , "Bad karma in read during interleave read operation." },
{ SFE_INTERNAL , "Unspecified internal error." },
{ SFE_BAD_COMMAND_PARAM , "Bad parameter passed to function sf_command." },
{ SFE_BAD_ENDIAN , "Bad endian-ness. Try default endian-ness" },
{ SFE_CHANNEL_COUNT_ZERO , "Channel count is zero." },
{ SFE_CHANNEL_COUNT , "Too many channels specified." },
{ SFE_CHANNEL_COUNT_BAD , "Bad channel count." },
{ SFE_BAD_SEEK , "Internal psf_fseek() failed." },
{ SFE_NOT_SEEKABLE , "Seek attempted on unseekable file type." },
{ SFE_AMBIGUOUS_SEEK , "Error : combination of file open mode and seek command is ambiguous." },
{ SFE_WRONG_SEEK , "Error : invalid seek parameters." },
{ SFE_SEEK_FAILED , "Error : parameters OK, but psf_seek() failed." },
{ SFE_BAD_OPEN_MODE , "Error : bad mode parameter for file open." },
{ SFE_OPEN_PIPE_RDWR , "Error : attempt to open a pipe in read/write mode." },
{ SFE_RDWR_POSITION , "Error on RDWR position (cryptic)." },
{ SFE_RDWR_BAD_HEADER , "Error : Cannot open file in read/write mode due to string data in header." },
{ SFE_CMD_HAS_DATA , "Error : Command fails because file already has audio data." },
{ SFE_STR_NO_SUPPORT , "Error : File type does not support string data." },
{ SFE_STR_NOT_WRITE , "Error : Trying to set a string when file is not in write mode." },
{ SFE_STR_MAX_DATA , "Error : Maximum string data storage reached." },
{ SFE_STR_MAX_COUNT , "Error : Maximum string data count reached." },
{ SFE_STR_BAD_TYPE , "Error : Bad string data type." },
{ SFE_STR_NO_ADD_END , "Error : file type does not support strings added at end of file." },
{ SFE_STR_BAD_STRING , "Error : bad string." },
{ SFE_STR_WEIRD , "Error : Weird string error." },
{ SFE_WAV_NO_RIFF , "Error in WAV file. No 'RIFF' chunk marker." },
{ SFE_WAV_NO_WAVE , "Error in WAV file. No 'WAVE' chunk marker." },
{ SFE_WAV_NO_FMT , "Error in WAV/W64/RF64 file. No 'fmt ' chunk marker." },
{ SFE_WAV_BAD_FMT , "Error in WAV/W64/RF64 file. Malformed 'fmt ' chunk." },
{ SFE_WAV_FMT_SHORT , "Error in WAV/W64/RF64 file. Short 'fmt ' chunk." },
{ SFE_WAV_BAD_FACT , "Error in WAV file. 'fact' chunk out of place." },
{ SFE_WAV_BAD_PEAK , "Error in WAV file. Bad 'PEAK' chunk." },
{ SFE_WAV_PEAK_B4_FMT , "Error in WAV file. 'PEAK' chunk found before 'fmt ' chunk." },
{ SFE_WAV_BAD_FORMAT , "Error in WAV file. Errors in 'fmt ' chunk." },
{ SFE_WAV_BAD_BLOCKALIGN , "Error in WAV file. Block alignment in 'fmt ' chunk is incorrect." },
{ SFE_WAV_NO_DATA , "Error in WAV file. No 'data' chunk marker." },
{ SFE_WAV_BAD_LIST , "Error in WAV file. Malformed LIST chunk." },
{ SFE_WAV_UNKNOWN_CHUNK , "Error in WAV file. File contains an unknown chunk marker." },
{ SFE_WAV_WVPK_DATA , "Error in WAV file. Data is in WAVPACK format." },
{ SFE_WAV_ADPCM_NOT4BIT , "Error in ADPCM WAV file. Invalid bit width." },
{ SFE_WAV_ADPCM_CHANNELS , "Error in ADPCM WAV file. Invalid number of channels." },
{ SFE_WAV_ADPCM_SAMPLES , "Error in ADPCM WAV file. Invalid number of samples per block." },
{ SFE_WAV_GSM610_FORMAT , "Error in GSM610 WAV file. Invalid format chunk." },
{ SFE_WAV_NMS_FORMAT , "Error in NMS ADPCM WAV file. Invalid format chunk." },
{ SFE_AIFF_NO_FORM , "Error in AIFF file, bad 'FORM' marker." },
{ SFE_AIFF_AIFF_NO_FORM , "Error in AIFF file, 'AIFF' marker without 'FORM'." },
{ SFE_AIFF_COMM_NO_FORM , "Error in AIFF file, 'COMM' marker without 'FORM'." },
{ SFE_AIFF_SSND_NO_COMM , "Error in AIFF file, 'SSND' marker without 'COMM'." },
{ SFE_AIFF_UNKNOWN_CHUNK , "Error in AIFF file, unknown chunk." },
{ SFE_AIFF_COMM_CHUNK_SIZE, "Error in AIFF file, bad 'COMM' chunk size." },
{ SFE_AIFF_BAD_COMM_CHUNK , "Error in AIFF file, bad 'COMM' chunk." },
{ SFE_AIFF_PEAK_B4_COMM , "Error in AIFF file. 'PEAK' chunk found before 'COMM' chunk." },
{ SFE_AIFF_BAD_PEAK , "Error in AIFF file. Bad 'PEAK' chunk." },
{ SFE_AIFF_NO_SSND , "Error in AIFF file, bad 'SSND' chunk." },
{ SFE_AIFF_NO_DATA , "Error in AIFF file, no sound data." },
{ SFE_AIFF_RW_SSND_NOT_LAST, "Error in AIFF file, RDWR only possible if SSND chunk at end of file." },
{ SFE_AU_UNKNOWN_FORMAT , "Error in AU file, unknown format." },
{ SFE_AU_NO_DOTSND , "Error in AU file, missing '.snd' or 'dns.' marker." },
{ SFE_AU_EMBED_BAD_LEN , "Embedded AU file with unknown length." },
{ SFE_RAW_READ_BAD_SPEC , "Error while opening RAW file for read. Must specify format and channels.\n"
"Possibly trying to open unsupported format." },
{ SFE_RAW_BAD_BITWIDTH , "Error. RAW file bitwidth must be a multiple of 8." },
{ SFE_RAW_BAD_FORMAT , "Error. Bad format field in SF_INFO struct when opening a RAW file for read." },
{ SFE_PAF_NO_MARKER , "Error in PAF file, no marker." },
{ SFE_PAF_VERSION , "Error in PAF file, bad version." },
{ SFE_PAF_UNKNOWN_FORMAT , "Error in PAF file, unknown format." },
{ SFE_PAF_SHORT_HEADER , "Error in PAF file. File shorter than minimal header." },
{ SFE_PAF_BAD_CHANNELS , "Error in PAF file. Bad channel count." },
{ SFE_SVX_NO_FORM , "Error in 8SVX / 16SV file, no 'FORM' marker." },
{ SFE_SVX_NO_BODY , "Error in 8SVX / 16SV file, no 'BODY' marker." },
{ SFE_SVX_NO_DATA , "Error in 8SVX / 16SV file, no sound data." },
{ SFE_SVX_BAD_COMP , "Error in 8SVX / 16SV file, unsupported compression format." },
{ SFE_SVX_BAD_NAME_LENGTH , "Error in 8SVX / 16SV file, NAME chunk too long." },
{ SFE_NIST_BAD_HEADER , "Error in NIST file, bad header." },
{ SFE_NIST_CRLF_CONVERISON, "Error : NIST file damaged by Windows CR -> CRLF conversion process." },
{ SFE_NIST_BAD_ENCODING , "Error in NIST file, unsupported compression format." },
{ SFE_VOC_NO_CREATIVE , "Error in VOC file, no 'Creative Voice File' marker." },
{ SFE_VOC_BAD_FORMAT , "Error in VOC file, bad format." },
{ SFE_VOC_BAD_VERSION , "Error in VOC file, bad version number." },
{ SFE_VOC_BAD_MARKER , "Error in VOC file, bad marker in file." },
{ SFE_VOC_BAD_SECTIONS , "Error in VOC file, incompatible VOC sections." },
{ SFE_VOC_MULTI_SAMPLERATE, "Error in VOC file, more than one sample rate defined." },
{ SFE_VOC_MULTI_SECTION , "Unimplemented VOC file feature, file contains multiple sound sections." },
{ SFE_VOC_MULTI_PARAM , "Error in VOC file, file contains multiple bit or channel widths." },
{ SFE_VOC_SECTION_COUNT , "Error in VOC file, too many sections." },
{ SFE_VOC_NO_PIPE , "Error : not able to operate on VOC files over a pipe." },
{ SFE_IRCAM_NO_MARKER , "Error in IRCAM file, bad IRCAM marker." },
{ SFE_IRCAM_BAD_CHANNELS , "Error in IRCAM file, bad channel count." },
{ SFE_IRCAM_UNKNOWN_FORMAT, "Error in IRCAM file, unknown encoding format." },
{ SFE_W64_64_BIT , "Error in W64 file, file contains 64 bit offset." },
{ SFE_W64_NO_RIFF , "Error in W64 file. No 'riff' chunk marker." },
{ SFE_W64_NO_WAVE , "Error in W64 file. No 'wave' chunk marker." },
{ SFE_W64_NO_DATA , "Error in W64 file. No 'data' chunk marker." },
{ SFE_W64_ADPCM_NOT4BIT , "Error in ADPCM W64 file. Invalid bit width." },
{ SFE_W64_ADPCM_CHANNELS , "Error in ADPCM W64 file. Invalid number of channels." },
{ SFE_W64_GSM610_FORMAT , "Error in GSM610 W64 file. Invalid format chunk." },
{ SFE_MAT4_BAD_NAME , "Error in MAT4 file. No variable name." },
{ SFE_MAT4_NO_SAMPLERATE , "Error in MAT4 file. No sample rate." },
{ SFE_MAT5_BAD_ENDIAN , "Error in MAT5 file. Not able to determine endian-ness." },
{ SFE_MAT5_NO_BLOCK , "Error in MAT5 file. Bad block structure." },
{ SFE_MAT5_SAMPLE_RATE , "Error in MAT5 file. Not able to determine sample rate." },
{ SFE_PVF_NO_PVF1 , "Error in PVF file. No PVF1 marker." },
{ SFE_PVF_BAD_HEADER , "Error in PVF file. Bad header." },
{ SFE_PVF_BAD_BITWIDTH , "Error in PVF file. Bad bit width." },
{ SFE_XI_BAD_HEADER , "Error in XI file. Bad header." },
{ SFE_XI_EXCESS_SAMPLES , "Error in XI file. Excess samples in file." },
{ SFE_XI_NO_PIPE , "Error : not able to operate on XI files over a pipe." },
{ SFE_HTK_NO_PIPE , "Error : not able to operate on HTK files over a pipe." },
{ SFE_SDS_NOT_SDS , "Error : not an SDS file." },
{ SFE_SDS_BAD_BIT_WIDTH , "Error : bad bit width for SDS file." },
{ SFE_SD2_FD_DISALLOWED , "Error : cannot open SD2 file without a file name." },
{ SFE_SD2_BAD_DATA_OFFSET , "Error : bad data offset." },
{ SFE_SD2_BAD_MAP_OFFSET , "Error : bad map offset." },
{ SFE_SD2_BAD_DATA_LENGTH , "Error : bad data length." },
{ SFE_SD2_BAD_MAP_LENGTH , "Error : bad map length." },
{ SFE_SD2_BAD_RSRC , "Error : bad resource fork." },
{ SFE_SD2_BAD_SAMPLE_SIZE , "Error : bad sample size." },
{ SFE_FLAC_BAD_HEADER , "Error : bad flac header." },
{ SFE_FLAC_NEW_DECODER , "Error : problem while creating flac decoder." },
{ SFE_FLAC_INIT_DECODER , "Error : problem with initialization of the flac decoder." },
{ SFE_FLAC_LOST_SYNC , "Error : flac decoder lost sync." },
{ SFE_FLAC_BAD_SAMPLE_RATE, "Error : flac does not support this sample rate." },
{ SFE_FLAC_CHANNEL_COUNT_CHANGED, "Error : flac channel changed mid stream." },
{ SFE_FLAC_UNKOWN_ERROR , "Error : unknown error in flac decoder." },
{ SFE_WVE_NOT_WVE , "Error : not a WVE file." },
{ SFE_WVE_NO_PIPE , "Error : not able to operate on WVE files over a pipe." },
{ SFE_DWVW_BAD_BITWIDTH , "Error : Bad bit width for DWVW encoding. Must be 12, 16 or 24." },
{ SFE_G72X_NOT_MONO , "Error : G72x encoding does not support more than 1 channel." },
{ SFE_NMS_ADPCM_NOT_MONO , "Error : NMS ADPCM encoding does not support more than 1 channel." },
{ SFE_VORBIS_ENCODER_BUG , "Error : Sample rate chosen is known to trigger a Vorbis encoder bug on this CPU." },
{ SFE_RF64_NOT_RF64 , "Error : Not an RF64 file." },
{ SFE_RF64_PEAK_B4_FMT , "Error in RF64 file. 'PEAK' chunk found before 'fmt ' chunk." },
{ SFE_RF64_NO_DATA , "Error in RF64 file. No 'data' chunk marker." },
{ SFE_ALAC_FAIL_TMPFILE , "Error : Failed to open tmp file for ALAC encoding." },
{ SFE_BAD_CHUNK_PTR , "Error : Bad SF_CHUNK_INFO pointer." },
{ SFE_UNKNOWN_CHUNK , "Error : Unknown chunk marker." },
{ SFE_BAD_CHUNK_FORMAT , "Error : Reading/writing chunks from this file format is not supported." },
{ SFE_BAD_CHUNK_MARKER , "Error : Bad chunk marker." },
{ SFE_BAD_CHUNK_DATA_PTR , "Error : Bad data pointer in SF_CHUNK_INFO struct." },
{ SFE_FILENAME_TOO_LONG , "Error : Supplied filename too long." },
{ SFE_NEGATIVE_RW_LEN , "Error : Length parameter passed to read/write is negative." },
{ SFE_OPUS_BAD_SAMPLERATE , "Error : Opus only supports sample rates of 8000, 12000, 16000, 24000 and 48000." },
{ SFE_MAX_ERROR , "Maximum error number." },
{ SFE_MAX_ERROR + 1 , NULL }
} ;
/*------------------------------------------------------------------------------
*/
static int format_from_extension (SF_PRIVATE *psf) ;
static int guess_file_type (SF_PRIVATE *psf) ;
static int validate_sfinfo (SF_INFO *sfinfo) ;
static int validate_psf (SF_PRIVATE *psf) ;
static void save_header_info (SF_PRIVATE *psf) ;
static int copy_filename (SF_PRIVATE *psf, const char *path) ;
static int psf_close (SF_PRIVATE *psf) ;
static int try_resource_fork (SF_PRIVATE * psf) ;
/*------------------------------------------------------------------------------
** Private (static) variables.
*/
int sf_errno = 0 ;
static char sf_parselog [SF_BUFFER_LEN] = { 0 } ;
static char sf_syserr [SF_SYSERR_LEN] = { 0 } ;
/*------------------------------------------------------------------------------
*/
#define VALIDATE_SNDFILE_AND_ASSIGN_PSF(a, b, c) \
{ if ((a) == NULL) \
{ sf_errno = SFE_BAD_SNDFILE_PTR ; \
return 0 ; \
} ; \
(b) = (SF_PRIVATE*) (a) ; \
if ((b)->virtual_io == SF_FALSE && \
psf_file_valid (b) == 0) \
{ (b)->error = SFE_BAD_FILE_PTR ; \
return 0 ; \
} ; \
if ((b)->Magick != SNDFILE_MAGICK) \
{ (b)->error = SFE_BAD_SNDFILE_PTR ; \
return 0 ; \
} ; \
if (c) (b)->error = 0 ; \
}
/*------------------------------------------------------------------------------
** Public functions.
*/
SNDFILE*
sf_open (const char *path, int mode, SF_INFO *sfinfo)
{ SF_PRIVATE *psf ;
/* Ultimate sanity check. */
assert (sizeof (sf_count_t) == 8) ;
if ((psf = psf_allocate ()) == NULL)
{ sf_errno = SFE_MALLOC_FAILED ;
return NULL ;
} ;
psf_init_files (psf) ;
psf_log_printf (psf, "File : %s\n", path) ;
if (copy_filename (psf, path) != 0)
{ sf_errno = psf->error ;
return NULL ;
} ;
psf->file.mode = mode ;
if (strcmp (path, "-") == 0)
psf->error = psf_set_stdio (psf) ;
else
psf->error = psf_fopen (psf) ;
return psf_open_file (psf, sfinfo) ;
} /* sf_open */
SNDFILE*
sf_open_fd (int fd, int mode, SF_INFO *sfinfo, int close_desc)
{ SF_PRIVATE *psf ;
if ((SF_CONTAINER (sfinfo->format)) == SF_FORMAT_SD2)
{ sf_errno = SFE_SD2_FD_DISALLOWED ;
return NULL ;
} ;
if ((psf = psf_allocate ()) == NULL)
{ sf_errno = SFE_MALLOC_FAILED ;
return NULL ;
} ;
psf_init_files (psf) ;
copy_filename (psf, "") ;
psf->file.mode = mode ;
psf_set_file (psf, fd) ;
psf->is_pipe = psf_is_pipe (psf) ;
psf->fileoffset = psf_ftell (psf) ;
if (! close_desc)
psf->file.do_not_close_descriptor = SF_TRUE ;
return psf_open_file (psf, sfinfo) ;
} /* sf_open_fd */
SNDFILE*
sf_open_virtual (SF_VIRTUAL_IO *sfvirtual, int mode, SF_INFO *sfinfo, void *user_data)
{ SF_PRIVATE *psf ;
/* Make sure we have a valid set ot virtual pointers. */
if (sfvirtual->get_filelen == NULL)
{ sf_errno = SFE_BAD_VIRTUAL_IO ;
snprintf (sf_parselog, sizeof (sf_parselog), "Bad vio_get_filelen in SF_VIRTUAL_IO struct.\n") ;
return NULL ;
} ;
if ((sfvirtual->seek == NULL || sfvirtual->tell == NULL) && sfinfo->seekable)
{ sf_errno = SFE_BAD_VIRTUAL_IO ;
snprintf (sf_parselog, sizeof (sf_parselog), "Bad vio_seek / vio_tell in SF_VIRTUAL_IO struct.\n") ;
return NULL ;
} ;
if ((mode == SFM_READ || mode == SFM_RDWR) && sfvirtual->read == NULL)
{ sf_errno = SFE_BAD_VIRTUAL_IO ;
snprintf (sf_parselog, sizeof (sf_parselog), "Bad vio_read in SF_VIRTUAL_IO struct.\n") ;
return NULL ;
} ;
if ((mode == SFM_WRITE || mode == SFM_RDWR) && sfvirtual->write == NULL)
{ sf_errno = SFE_BAD_VIRTUAL_IO ;
snprintf (sf_parselog, sizeof (sf_parselog), "Bad vio_write in SF_VIRTUAL_IO struct.\n") ;
return NULL ;
} ;
if ((psf = psf_allocate ()) == NULL)
{ sf_errno = SFE_MALLOC_FAILED ;
return NULL ;
} ;
psf_init_files (psf) ;
psf->virtual_io = SF_TRUE ;
psf->vio = *sfvirtual ;
psf->vio_user_data = user_data ;
psf->file.mode = mode ;
return psf_open_file (psf, sfinfo) ;
} /* sf_open_virtual */
int
sf_close (SNDFILE *sndfile)
{ SF_PRIVATE *psf ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
return psf_close (psf) ;
} /* sf_close */
void
sf_write_sync (SNDFILE *sndfile)
{ SF_PRIVATE *psf ;
if ((psf = (SF_PRIVATE *) sndfile) == NULL)
return ;
psf_fsync (psf) ;
return ;
} /* sf_write_sync */
/*==============================================================================
*/
const char*
sf_error_number (int errnum)
{ static const char *bad_errnum =
"No error defined for this error number. This is a bug in libsndfile." ;
int k ;
if (errnum == SFE_MAX_ERROR)
return SndfileErrors [0].str ;
if (errnum < 0 || errnum > SFE_MAX_ERROR)
{ /* This really shouldn't happen in release versions. */
printf ("Not a valid error number (%d).\n", errnum) ;
return bad_errnum ;
} ;
for (k = 0 ; SndfileErrors [k].str ; k++)
if (errnum == SndfileErrors [k].error)
return SndfileErrors [k].str ;
return bad_errnum ;
} /* sf_error_number */
const char*
sf_strerror (SNDFILE *sndfile)
{ SF_PRIVATE *psf = NULL ;
int errnum ;
if (sndfile == NULL)
{ errnum = sf_errno ;
if (errnum == SFE_SYSTEM && sf_syserr [0])
return sf_syserr ;
}
else
{ psf = (SF_PRIVATE *) sndfile ;
if (psf->Magick != SNDFILE_MAGICK)
return "sf_strerror : Bad magic number." ;
errnum = psf->error ;
if (errnum == SFE_SYSTEM && psf->syserr [0])
return psf->syserr ;
} ;
return sf_error_number (errnum) ;
} /* sf_strerror */
/*------------------------------------------------------------------------------
*/
int
sf_error (SNDFILE *sndfile)
{ SF_PRIVATE *psf ;
if (sndfile == NULL)
return sf_errno ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
if (psf->error)
return psf->error ;
return 0 ;
} /* sf_error */
/*------------------------------------------------------------------------------
*/
int
sf_perror (SNDFILE *sndfile)
{ SF_PRIVATE *psf ;
int errnum ;
if (sndfile == NULL)
{ errnum = sf_errno ;
}
else
{ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
errnum = psf->error ;
} ;
fprintf (stderr, "%s\n", sf_error_number (errnum)) ;
return SFE_NO_ERROR ;
} /* sf_perror */
/*------------------------------------------------------------------------------
*/
int
sf_error_str (SNDFILE *sndfile, char *str, size_t maxlen)
{ SF_PRIVATE *psf ;
int errnum ;
if (str == NULL)
return SFE_INTERNAL ;
if (sndfile == NULL)
errnum = sf_errno ;
else
{ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
errnum = psf->error ;
} ;
snprintf (str, maxlen, "%s", sf_error_number (errnum)) ;
return SFE_NO_ERROR ;
} /* sf_error_str */
/*==============================================================================
*/
int
sf_format_check (const SF_INFO *info)
{ int subformat, endian ;
subformat = SF_CODEC (info->format) ;
endian = SF_ENDIAN (info->format) ;
/* This is the place where each file format can check if the suppiled
** SF_INFO struct is valid.
** Return 0 on failure, 1 ons success.
*/
if (info->channels < 1 || info->channels > SF_MAX_CHANNELS)
return 0 ;
if (info->samplerate < 0)
return 0 ;
switch (SF_CONTAINER (info->format))
{ case SF_FORMAT_WAV :
/* WAV now allows both endian, RIFF or RIFX (little or big respectively) */
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if ((subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) && info->channels <= 2)
return 1 ;
if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_G721_32 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
if ((subformat == SF_FORMAT_NMS_ADPCM_16 || subformat == SF_FORMAT_NMS_ADPCM_24 ||
subformat == SF_FORMAT_NMS_ADPCM_32) && info->channels == 1)
return 1 ;
break ;
case SF_FORMAT_WAVEX :
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
case SF_FORMAT_AIFF :
/* AIFF does allow both endian-nesses for PCM data.*/
if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
/* For other encodings reject any endian-ness setting. */
if (endian != 0)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if ((subformat == SF_FORMAT_DWVW_12 || subformat == SF_FORMAT_DWVW_16 ||
subformat == SF_FORMAT_DWVW_24) && info-> channels == 1)
return 1 ;
if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_IMA_ADPCM && (info->channels == 1 || info->channels == 2))
return 1 ;
break ;
case SF_FORMAT_AU :
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
if (subformat == SF_FORMAT_G721_32 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_G723_24 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_G723_40 && info->channels == 1)
return 1 ;
break ;
case SF_FORMAT_CAF :
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_ALAC_16 || subformat == SF_FORMAT_ALAC_20)
return 1 ;
if (subformat == SF_FORMAT_ALAC_24 || subformat == SF_FORMAT_ALAC_32)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
case SF_FORMAT_RAW :
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
if (subformat == SF_FORMAT_ALAW || subformat == SF_FORMAT_ULAW)
return 1 ;
if ((subformat == SF_FORMAT_DWVW_12 || subformat == SF_FORMAT_DWVW_16 ||
subformat == SF_FORMAT_DWVW_24) && info-> channels == 1)
return 1 ;
if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_VOX_ADPCM && info->channels == 1)
return 1 ;
if ((subformat == SF_FORMAT_NMS_ADPCM_16 || subformat == SF_FORMAT_NMS_ADPCM_24 ||
subformat == SF_FORMAT_NMS_ADPCM_32) && info->channels == 1)
return 1 ;
break ;
case SF_FORMAT_PAF :
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
return 1 ;
break ;
case SF_FORMAT_SVX :
/* SVX only supports writing mono SVX files. */
if (info->channels > 1)
return 0 ;
/* Always big endian. */
if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
break ;
case SF_FORMAT_NIST :
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
break ;
case SF_FORMAT_IRCAM :
if (info->channels > 256)
return 0 ;
if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW || subformat == SF_FORMAT_FLOAT)
return 1 ;
break ;
case SF_FORMAT_VOC :
if (info->channels > 2)
return 0 ;
/* VOC is strictly little endian. */
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
break ;
case SF_FORMAT_W64 :
/* W64 is strictly little endian. */
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if ((subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) && info->channels <= 2)
return 1 ;
if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
case SF_FORMAT_MAT4 :
if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
case SF_FORMAT_MAT5 :
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
case SF_FORMAT_PVF :
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
return 1 ;
break ;
case SF_FORMAT_XI :
if (info->channels != 1)
return 0 ;
if (subformat == SF_FORMAT_DPCM_8 || subformat == SF_FORMAT_DPCM_16)
return 1 ;
break ;
case SF_FORMAT_HTK :
if (info->channels != 1)
return 0 ;
/* HTK is strictly big endian. */
if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_16)
return 1 ;
break ;
case SF_FORMAT_SDS :
if (info->channels != 1)
return 0 ;
/* SDS is strictly big endian. */
if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
return 1 ;
break ;
case SF_FORMAT_AVR :
if (info->channels > 2)
return 0 ;
/* SDS is strictly big endian. */
if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
break ;
case SF_FORMAT_FLAC :
/* FLAC can't do more than 8 channels. */
if (info->channels > 8)
return 0 ;
if (endian != SF_ENDIAN_FILE)
return 0 ;
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
return 1 ;
break ;
case SF_FORMAT_SD2 :
/* SD2 is strictly big endian. */
if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
break ;
case SF_FORMAT_WVE :
if (info->channels > 1)
return 0 ;
/* WVE is strictly big endian. */
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_ALAW)
return 1 ;
break ;
case SF_FORMAT_OGG :
if (endian != SF_ENDIAN_FILE)
return 0 ;
if (subformat == SF_FORMAT_VORBIS)
return 1 ;
if (subformat == SF_FORMAT_OPUS)
return 1 ;
break ;
case SF_FORMAT_MPC2K :
if (info->channels > 2)
return 0 ;
/* MPC2000 is strictly little endian. */
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_16)
return 1 ;
break ;
case SF_FORMAT_RF64 :
if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
return 0 ;
if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
return 1 ;
if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
return 1 ;
if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
return 1 ;
if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
return 1 ;
break ;
default : break ;
} ;
return 0 ;
} /* sf_format_check */
/*------------------------------------------------------------------------------
*/
const char *
sf_version_string (void)
{
#if ENABLE_EXPERIMENTAL_CODE
return PACKAGE_NAME "-" PACKAGE_VERSION "-exp" ;
#else
return PACKAGE_NAME "-" PACKAGE_VERSION ;
#endif
}
/*------------------------------------------------------------------------------
*/
int
sf_command (SNDFILE *sndfile, int command, void *data, int datasize)
{ SF_PRIVATE *psf = (SF_PRIVATE *) sndfile ;
double quality ;
int old_value ;
/* This set of commands do not need the sndfile parameter. */
switch (command)
{ case SFC_GET_LIB_VERSION :
if (data == NULL)
{ if (psf)
psf->error = SFE_BAD_COMMAND_PARAM ;
return 0 ;
} ;
snprintf (data, datasize, "%s", sf_version_string ()) ;
return strlen (data) ;
case SFC_GET_SIMPLE_FORMAT_COUNT :
if (data == NULL || datasize != SIGNED_SIZEOF (int))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
*((int*) data) = psf_get_format_simple_count () ;
return 0 ;
case SFC_GET_SIMPLE_FORMAT :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
return psf_get_format_simple (data) ;
case SFC_GET_FORMAT_MAJOR_COUNT :
if (data == NULL || datasize != SIGNED_SIZEOF (int))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
*((int*) data) = psf_get_format_major_count () ;
return 0 ;
case SFC_GET_FORMAT_MAJOR :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
return psf_get_format_major (data) ;
case SFC_GET_FORMAT_SUBTYPE_COUNT :
if (data == NULL || datasize != SIGNED_SIZEOF (int))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
*((int*) data) = psf_get_format_subtype_count () ;
return 0 ;
case SFC_GET_FORMAT_SUBTYPE :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
return psf_get_format_subtype (data) ;
case SFC_GET_FORMAT_INFO :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
return psf_get_format_info (data) ;
} ;
if (sndfile == NULL && command == SFC_GET_LOG_INFO)
{ if (data == NULL)
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
snprintf (data, datasize, "%s", sf_parselog) ;
return strlen (data) ;
} ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
switch (command)
{ case SFC_SET_NORM_FLOAT :
old_value = psf->norm_float ;
psf->norm_float = (datasize) ? SF_TRUE : SF_FALSE ;
return old_value ;
case SFC_GET_CURRENT_SF_INFO :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_INFO))
return (sf_errno = SFE_BAD_COMMAND_PARAM) ;
memcpy (data, &psf->sf, sizeof (SF_INFO)) ;
break ;
case SFC_SET_NORM_DOUBLE :
old_value = psf->norm_double ;
psf->norm_double = (datasize) ? SF_TRUE : SF_FALSE ;
return old_value ;
case SFC_GET_NORM_FLOAT :
return psf->norm_float ;
case SFC_GET_NORM_DOUBLE :
return psf->norm_double ;
case SFC_SET_SCALE_FLOAT_INT_READ :
old_value = psf->float_int_mult ;
psf->float_int_mult = (datasize != 0) ? SF_TRUE : SF_FALSE ;
if (psf->float_int_mult && psf->float_max < 0.0)
/* Scale to prevent wrap-around distortion. */
psf->float_max = (32768.0 / 32767.0) * psf_calc_signal_max (psf, SF_FALSE) ;
return old_value ;
case SFC_SET_SCALE_INT_FLOAT_WRITE :
old_value = psf->scale_int_float ;
psf->scale_int_float = (datasize != 0) ? SF_TRUE : SF_FALSE ;
return old_value ;
case SFC_SET_ADD_PEAK_CHUNK :
{ int format = SF_CONTAINER (psf->sf.format) ;
/* Only WAV and AIFF support the PEAK chunk. */
switch (format)
{ case SF_FORMAT_AIFF :
case SF_FORMAT_CAF :
case SF_FORMAT_WAV :
case SF_FORMAT_WAVEX :
case SF_FORMAT_RF64 :
break ;
default :
return SF_FALSE ;
} ;
format = SF_CODEC (psf->sf.format) ;
/* Only files containg the following data types support the PEAK chunk. */
if (format != SF_FORMAT_FLOAT && format != SF_FORMAT_DOUBLE)
return SF_FALSE ;
} ;
/* Can only do this is in SFM_WRITE mode. */
if (psf->file.mode != SFM_WRITE && psf->file.mode != SFM_RDWR)
return SF_FALSE ;
/* If data has already been written this must fail. */
if (psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
/* Everything seems OK, so set psf->has_peak and re-write header. */
if (datasize == SF_FALSE && psf->peak_info != NULL)
{ free (psf->peak_info) ;
psf->peak_info = NULL ;
}
else if (psf->peak_info == NULL)
{ psf->peak_info = peak_info_calloc (psf->sf.channels) ;
if (psf->peak_info != NULL)
psf->peak_info->peak_loc = SF_PEAK_START ;
} ;
if (psf->write_header)
psf->write_header (psf, SF_TRUE) ;
return datasize ;
case SFC_SET_ADD_HEADER_PAD_CHUNK :
return SF_FALSE ;
case SFC_GET_LOG_INFO :
if (data == NULL)
return SFE_BAD_COMMAND_PARAM ;
snprintf (data, datasize, "%s", psf->parselog.buf) ;
return strlen (data) ;
case SFC_CALC_SIGNAL_MAX :
if (data == NULL || datasize != sizeof (double))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
*((double*) data) = psf_calc_signal_max (psf, SF_FALSE) ;
break ;
case SFC_CALC_NORM_SIGNAL_MAX :
if (data == NULL || datasize != sizeof (double))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
*((double*) data) = psf_calc_signal_max (psf, SF_TRUE) ;
break ;
case SFC_CALC_MAX_ALL_CHANNELS :
if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
return psf_calc_max_all_channels (psf, (double*) data, SF_FALSE) ;
case SFC_CALC_NORM_MAX_ALL_CHANNELS :
if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
return psf_calc_max_all_channels (psf, (double*) data, SF_TRUE) ;
case SFC_GET_SIGNAL_MAX :
if (data == NULL || datasize != sizeof (double))
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
return psf_get_signal_max (psf, (double *) data) ;
case SFC_GET_MAX_ALL_CHANNELS :
if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
return psf_get_max_all_channels (psf, (double*) data) ;
case SFC_UPDATE_HEADER_NOW :
if (psf->write_header)
psf->write_header (psf, SF_TRUE) ;
break ;
case SFC_SET_UPDATE_HEADER_AUTO :
psf->auto_header = datasize ? SF_TRUE : SF_FALSE ;
return psf->auto_header ;
break ;
case SFC_SET_ADD_DITHER_ON_WRITE :
case SFC_SET_ADD_DITHER_ON_READ :
/*
** FIXME !
** These are obsolete. Just return.
** Remove some time after version 1.0.8.
*/
break ;
case SFC_SET_DITHER_ON_WRITE :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_DITHER_INFO))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
memcpy (&psf->write_dither, data, sizeof (psf->write_dither)) ;
if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
dither_init (psf, SFM_WRITE) ;
break ;
case SFC_SET_DITHER_ON_READ :
if (data == NULL || datasize != SIGNED_SIZEOF (SF_DITHER_INFO))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
memcpy (&psf->read_dither, data, sizeof (psf->read_dither)) ;
if (psf->file.mode == SFM_READ || psf->file.mode == SFM_RDWR)
dither_init (psf, SFM_READ) ;
break ;
case SFC_FILE_TRUNCATE :
if (psf->file.mode != SFM_WRITE && psf->file.mode != SFM_RDWR)
return SF_TRUE ;
if (datasize != sizeof (sf_count_t))
return SF_TRUE ;
if (data == NULL || datasize != sizeof (sf_count_t))
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
}
else
{ sf_count_t position ;
position = *((sf_count_t*) data) ;
if (sf_seek (sndfile, position, SEEK_SET) != position)
return SF_TRUE ;
psf->sf.frames = position ;
position = psf_fseek (psf, 0, SEEK_CUR) ;
return psf_ftruncate (psf, position) ;
} ;
break ;
case SFC_SET_RAW_START_OFFSET :
if (data == NULL || datasize != sizeof (sf_count_t))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_RAW)
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
psf->dataoffset = *((sf_count_t*) data) ;
sf_seek (sndfile, 0, SEEK_CUR) ;
break ;
case SFC_GET_EMBED_FILE_INFO :
if (data == NULL || datasize != sizeof (SF_EMBED_FILE_INFO))
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
((SF_EMBED_FILE_INFO*) data)->offset = psf->fileoffset ;
((SF_EMBED_FILE_INFO*) data)->length = psf->filelength ;
break ;
/* Lite remove start */
case SFC_TEST_IEEE_FLOAT_REPLACE :
psf->ieee_replace = (datasize) ? SF_TRUE : SF_FALSE ;
if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_FLOAT)
float32_init (psf) ;
else if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_DOUBLE)
double64_init (psf) ;
else
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
break ;
/* Lite remove end */
case SFC_SET_CLIPPING :
psf->add_clipping = (datasize) ? SF_TRUE : SF_FALSE ;
return psf->add_clipping ;
case SFC_GET_CLIPPING :
return psf->add_clipping ;
case SFC_GET_LOOP_INFO :
if (datasize != sizeof (SF_LOOP_INFO) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->loop_info == NULL)
return SF_FALSE ;
memcpy (data, psf->loop_info, sizeof (SF_LOOP_INFO)) ;
return SF_TRUE ;
case SFC_SET_BROADCAST_INFO :
{ int format = SF_CONTAINER (psf->sf.format) ;
/* Only WAV and RF64 supports the BEXT (Broadcast) chunk. */
if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX && format != SF_FORMAT_RF64)
return SF_FALSE ;
} ;
/* Only makes sense in SFM_WRITE or SFM_RDWR mode. */
if ((psf->file.mode != SFM_WRITE) && (psf->file.mode != SFM_RDWR))
return SF_FALSE ;
/* If data has already been written this must fail. */
if (psf->broadcast_16k == NULL && psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
if (NOT (broadcast_var_set (psf, data, datasize)))
return SF_FALSE ;
if (psf->write_header)
psf->write_header (psf, SF_TRUE) ;
return SF_TRUE ;
case SFC_GET_BROADCAST_INFO :
if (data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
return broadcast_var_get (psf, data, datasize) ;
case SFC_SET_CART_INFO :
{ int format = SF_CONTAINER (psf->sf.format) ;
/* Only WAV and RF64 support cart chunk format */
if (format != SF_FORMAT_WAV && format != SF_FORMAT_RF64)
return SF_FALSE ;
} ;
/* Only makes sense in SFM_WRITE or SFM_RDWR mode */
if ((psf->file.mode != SFM_WRITE) && (psf->file.mode != SFM_RDWR))
return SF_FALSE ;
/* If data has already been written this must fail. */
if (psf->cart_16k == NULL && psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
if (NOT (cart_var_set (psf, data, datasize)))
return SF_FALSE ;
if (psf->write_header)
psf->write_header (psf, SF_TRUE) ;
return SF_TRUE ;
case SFC_GET_CART_INFO :
if (data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
return cart_var_get (psf, data, datasize) ;
case SFC_GET_CUE_COUNT :
if (datasize != sizeof (uint32_t) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->cues != NULL)
{ *((uint32_t *) data) = psf->cues->cue_count ;
return SF_TRUE ;
} ;
return SF_FALSE ;
case SFC_GET_CUE :
if (datasize < (int) sizeof (uint32_t) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->cues == NULL)
return SF_FALSE ;
psf_get_cues (psf, data, datasize) ;
return SF_TRUE ;
case SFC_SET_CUE :
if (psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
if (datasize < (int) sizeof (uint32_t) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->cues == NULL && (psf->cues = psf_cues_dup (data, datasize)) == NULL)
{ psf->error = SFE_MALLOC_FAILED ;
return SF_FALSE ;
} ;
return SF_TRUE ;
case SFC_GET_INSTRUMENT :
if (datasize != sizeof (SF_INSTRUMENT) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->instrument == NULL)
return SF_FALSE ;
memcpy (data, psf->instrument, sizeof (SF_INSTRUMENT)) ;
return SF_TRUE ;
case SFC_SET_INSTRUMENT :
/* If data has already been written this must fail. */
if (psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
if (datasize != sizeof (SF_INSTRUMENT) || data == NULL)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
{ psf->error = SFE_MALLOC_FAILED ;
return SF_FALSE ;
} ;
memcpy (psf->instrument, data, sizeof (SF_INSTRUMENT)) ;
return SF_TRUE ;
case SFC_RAW_DATA_NEEDS_ENDSWAP :
return psf->data_endswap ;
case SFC_GET_CHANNEL_MAP_INFO :
if (psf->channel_map == NULL)
return SF_FALSE ;
if (data == NULL || datasize != SIGNED_SIZEOF (psf->channel_map [0]) * psf->sf.channels)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
memcpy (data, psf->channel_map, datasize) ;
return SF_TRUE ;
case SFC_SET_CHANNEL_MAP_INFO :
if (psf->have_written)
{ psf->error = SFE_CMD_HAS_DATA ;
return SF_FALSE ;
} ;
if (data == NULL || datasize != SIGNED_SIZEOF (psf->channel_map [0]) * psf->sf.channels)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
{ int *iptr ;
for (iptr = data ; iptr < (int*) data + psf->sf.channels ; iptr++)
{ if (*iptr <= SF_CHANNEL_MAP_INVALID || *iptr >= SF_CHANNEL_MAP_MAX)
{ psf->error = SFE_BAD_COMMAND_PARAM ;
return SF_FALSE ;
} ;
} ;
} ;
free (psf->channel_map) ;
if ((psf->channel_map = malloc (datasize)) == NULL)
{ psf->error = SFE_MALLOC_FAILED ;
return SF_FALSE ;
} ;
memcpy (psf->channel_map, data, datasize) ;
/*
** Pass the command down to the container's command handler.
** Don't pass user data, use validated psf->channel_map data instead.
*/
if (psf->command)
return psf->command (psf, command, NULL, 0) ;
return SF_FALSE ;
case SFC_SET_VBR_ENCODING_QUALITY :
if (data == NULL || datasize != sizeof (double))
return SF_FALSE ;
quality = *((double *) data) ;
quality = 1.0 - SF_MAX (0.0, SF_MIN (1.0, quality)) ;
return sf_command (sndfile, SFC_SET_COMPRESSION_LEVEL, &quality, sizeof (quality)) ;
default :
/* Must be a file specific command. Pass it on. */
if (psf->command)
return psf->command (psf, command, data, datasize) ;
psf_log_printf (psf, "*** sf_command : cmd = 0x%X\n", command) ;
return (psf->error = SFE_BAD_COMMAND_PARAM) ;
} ;
return 0 ;
} /* sf_command */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_seek (SNDFILE *sndfile, sf_count_t offset, int whence)
{ SF_PRIVATE *psf ;
sf_count_t seek_from_start = 0, retval ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (! psf->sf.seekable)
{ psf->error = SFE_NOT_SEEKABLE ;
return PSF_SEEK_ERROR ;
} ;
/* If the whence parameter has a mode ORed in, check to see that
** it makes sense.
*/
if (((whence & SFM_MASK) == SFM_WRITE && psf->file.mode == SFM_READ) ||
((whence & SFM_MASK) == SFM_READ && psf->file.mode == SFM_WRITE))
{ psf->error = SFE_WRONG_SEEK ;
return PSF_SEEK_ERROR ;
} ;
/* Convert all SEEK_CUR and SEEK_END into seek_from_start to be
** used with SEEK_SET.
*/
switch (whence)
{ /* The SEEK_SET behaviour is independant of mode. */
case SEEK_SET :
case SEEK_SET | SFM_READ :
case SEEK_SET | SFM_WRITE :
case SEEK_SET | SFM_RDWR :
seek_from_start = offset ;
break ;
/* The SEEK_CUR is a little more tricky. */
case SEEK_CUR :
if (offset == 0)
{ if (psf->file.mode == SFM_READ)
return psf->read_current ;
if (psf->file.mode == SFM_WRITE)
return psf->write_current ;
} ;
if (psf->file.mode == SFM_READ)
seek_from_start = psf->read_current + offset ;
else if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
seek_from_start = psf->write_current + offset ;
else
psf->error = SFE_AMBIGUOUS_SEEK ;
break ;
case SEEK_CUR | SFM_READ :
if (offset == 0)
return psf->read_current ;
seek_from_start = psf->read_current + offset ;
break ;
case SEEK_CUR | SFM_WRITE :
if (offset == 0)
return psf->write_current ;
seek_from_start = psf->write_current + offset ;
break ;
/* The SEEK_END */
case SEEK_END :
case SEEK_END | SFM_READ :
case SEEK_END | SFM_WRITE :
seek_from_start = psf->sf.frames + offset ;
break ;
default :
psf->error = SFE_BAD_SEEK ;
break ;
} ;
if (psf->error)
return PSF_SEEK_ERROR ;
if (psf->file.mode == SFM_RDWR || psf->file.mode == SFM_WRITE)
{ if (seek_from_start < 0)
{ psf->error = SFE_BAD_SEEK ;
return PSF_SEEK_ERROR ;
} ;
}
else if (seek_from_start < 0 || seek_from_start > psf->sf.frames)
{ psf->error = SFE_BAD_SEEK ;
return PSF_SEEK_ERROR ;
} ;
if (psf->seek)
{ int new_mode = (whence & SFM_MASK) ? (whence & SFM_MASK) : psf->file.mode ;
retval = psf->seek (psf, new_mode, seek_from_start) ;
switch (new_mode)
{ case SFM_READ :
psf->read_current = retval ;
break ;
case SFM_WRITE :
psf->write_current = retval ;
break ;
case SFM_RDWR :
psf->read_current = retval ;
psf->write_current = retval ;
new_mode = SFM_READ ;
break ;
} ;
psf->last_op = new_mode ;
return retval ;
} ;
psf->error = SFE_AMBIGUOUS_SEEK ;
return PSF_SEEK_ERROR ;
} /* sf_seek */
/*------------------------------------------------------------------------------
*/
const char*
sf_get_string (SNDFILE *sndfile, int str_type)
{ SF_PRIVATE *psf ;
if ((psf = (SF_PRIVATE*) sndfile) == NULL)
return NULL ;
if (psf->Magick != SNDFILE_MAGICK)
return NULL ;
return psf_get_string (psf, str_type) ;
} /* sf_get_string */
int
sf_set_string (SNDFILE *sndfile, int str_type, const char* str)
{ SF_PRIVATE *psf ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
return psf_set_string (psf, str_type, str) ;
} /* sf_get_string */
/*------------------------------------------------------------------------------
*/
int
sf_current_byterate (SNDFILE *sndfile)
{ SF_PRIVATE *psf ;
if ((psf = (SF_PRIVATE*) sndfile) == NULL)
return -1 ;
if (psf->Magick != SNDFILE_MAGICK)
return -1 ;
/* This should cover all PCM and floating point formats. */
if (psf->bytewidth)
return psf->sf.samplerate * psf->sf.channels * psf->bytewidth ;
if (psf->byterate)
return psf->byterate (psf) ;
switch (SF_CODEC (psf->sf.format))
{ case SF_FORMAT_IMA_ADPCM :
case SF_FORMAT_MS_ADPCM :
case SF_FORMAT_VOX_ADPCM :
return (psf->sf.samplerate * psf->sf.channels) / 2 ;
case SF_FORMAT_GSM610 :
return (psf->sf.samplerate * psf->sf.channels * 13000) / 8000 ;
case SF_FORMAT_NMS_ADPCM_16:
return psf->sf.samplerate / 4 + 10 ;
case SF_FORMAT_NMS_ADPCM_24:
return psf->sf.samplerate * 3 / 8 + 10 ;
case SF_FORMAT_NMS_ADPCM_32:
return psf->sf.samplerate / 2 + 10 ;
case SF_FORMAT_G721_32 : /* 32kbs G721 ADPCM encoding. */
return (psf->sf.samplerate * psf->sf.channels) / 2 ;
case SF_FORMAT_G723_24 : /* 24kbs G723 ADPCM encoding. */
return (psf->sf.samplerate * psf->sf.channels * 3) / 8 ;
case SF_FORMAT_G723_40 : /* 40kbs G723 ADPCM encoding. */
return (psf->sf.samplerate * psf->sf.channels * 5) / 8 ;
default :
break ;
} ;
return -1 ;
} /* sf_current_byterate */
/*==============================================================================
*/
sf_count_t
sf_read_raw (SNDFILE *sndfile, void *ptr, sf_count_t bytes)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
int bytewidth, blockwidth ;
if (bytes == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
bytewidth = (psf->bytewidth > 0) ? psf->bytewidth : 1 ;
blockwidth = (psf->blockwidth > 0) ? psf->blockwidth : 1 ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (bytes < 0 || psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, bytes) ;
return 0 ;
} ;
if (bytes % (psf->sf.channels * bytewidth))
{ psf->error = SFE_BAD_READ_ALIGN ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf_fread (ptr, 1, bytes, psf) ;
if (psf->read_current + count / blockwidth <= psf->sf.frames)
psf->read_current += count / blockwidth ;
else
{ count = (psf->sf.frames - psf->read_current) * blockwidth ;
extra = bytes - count ;
psf_memset (((char *) ptr) + count, 0, extra) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count ;
} /* sf_read_raw */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_read_short (SNDFILE *sndfile, short *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_READ_ALIGN ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, len * sizeof (short)) ;
return 0 ; /* End of file. */
} ;
if (psf->read_short == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_short (psf, ptr, len) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = len - count ;
psf_memset (ptr + count, 0, extra * sizeof (short)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count ;
} /* sf_read_short */
sf_count_t
sf_readf_short (SNDFILE *sndfile, short *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (short)) ;
return 0 ; /* End of file. */
} ;
if (psf->read_short == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_short (psf, ptr, frames * psf->sf.channels) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = frames * psf->sf.channels - count ;
psf_memset (ptr + count, 0, extra * sizeof (short)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count / psf->sf.channels ;
} /* sf_readf_short */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_read_int (SNDFILE *sndfile, int *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_READ_ALIGN ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, len * sizeof (int)) ;
return 0 ;
} ;
if (psf->read_int == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_int (psf, ptr, len) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = len - count ;
psf_memset (ptr + count, 0, extra * sizeof (int)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count ;
} /* sf_read_int */
sf_count_t
sf_readf_int (SNDFILE *sndfile, int *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (int)) ;
return 0 ;
} ;
if (psf->read_int == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_int (psf, ptr, frames * psf->sf.channels) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = frames * psf->sf.channels - count ;
psf_memset (ptr + count, 0, extra * sizeof (int)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count / psf->sf.channels ;
} /* sf_readf_int */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_read_float (SNDFILE *sndfile, float *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_READ_ALIGN ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, len * sizeof (float)) ;
return 0 ;
} ;
if (psf->read_float == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_float (psf, ptr, len) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = len - count ;
psf_memset (ptr + count, 0, extra * sizeof (float)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count ;
} /* sf_read_float */
sf_count_t
sf_readf_float (SNDFILE *sndfile, float *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (float)) ;
return 0 ;
} ;
if (psf->read_float == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_float (psf, ptr, frames * psf->sf.channels) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = frames * psf->sf.channels - count ;
psf_memset (ptr + count, 0, extra * sizeof (float)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count / psf->sf.channels ;
} /* sf_readf_float */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_read_double (SNDFILE *sndfile, double *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_READ_ALIGN ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, len * sizeof (double)) ;
return 0 ;
} ;
if (psf->read_double == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_double (psf, ptr, len) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = len - count ;
psf_memset (ptr + count, 0, extra * sizeof (double)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count ;
} /* sf_read_double */
sf_count_t
sf_readf_double (SNDFILE *sndfile, double *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count, extra ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_WRITE)
{ psf->error = SFE_NOT_READMODE ;
return 0 ;
} ;
if (psf->read_current >= psf->sf.frames)
{ psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (double)) ;
return 0 ;
} ;
if (psf->read_double == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_READ)
if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
return 0 ;
count = psf->read_double (psf, ptr, frames * psf->sf.channels) ;
if (psf->read_current + count / psf->sf.channels <= psf->sf.frames)
psf->read_current += count / psf->sf.channels ;
else
{ count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
extra = frames * psf->sf.channels - count ;
psf_memset (ptr + count, 0, extra * sizeof (double)) ;
psf->read_current = psf->sf.frames ;
} ;
psf->last_op = SFM_READ ;
return count / psf->sf.channels ;
} /* sf_readf_double */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_write_raw (SNDFILE *sndfile, const void *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count ;
int bytewidth, blockwidth ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
bytewidth = (psf->bytewidth > 0) ? psf->bytewidth : 1 ;
blockwidth = (psf->blockwidth > 0) ? psf->blockwidth : 1 ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (len % (psf->sf.channels * bytewidth))
{ psf->error = SFE_BAD_WRITE_ALIGN ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf_fwrite (ptr, 1, len, psf) ;
psf->write_current += count / blockwidth ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count ;
} /* sf_write_raw */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_write_short (SNDFILE *sndfile, const short *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_WRITE_ALIGN ;
return 0 ;
} ;
if (psf->write_short == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_short (psf, ptr, len) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count ;
} /* sf_write_short */
sf_count_t
sf_writef_short (SNDFILE *sndfile, const short *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (psf->write_short == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_short (psf, ptr, frames * psf->sf.channels) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count / psf->sf.channels ;
} /* sf_writef_short */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_write_int (SNDFILE *sndfile, const int *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_WRITE_ALIGN ;
return 0 ;
} ;
if (psf->write_int == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_int (psf, ptr, len) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count ;
} /* sf_write_int */
sf_count_t
sf_writef_int (SNDFILE *sndfile, const int *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (psf->write_int == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_int (psf, ptr, frames * psf->sf.channels) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count / psf->sf.channels ;
} /* sf_writef_int */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_write_float (SNDFILE *sndfile, const float *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_WRITE_ALIGN ;
return 0 ;
} ;
if (psf->write_float == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_float (psf, ptr, len) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count ;
} /* sf_write_float */
sf_count_t
sf_writef_float (SNDFILE *sndfile, const float *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (psf->write_float == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_float (psf, ptr, frames * psf->sf.channels) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count / psf->sf.channels ;
} /* sf_writef_float */
/*------------------------------------------------------------------------------
*/
sf_count_t
sf_write_double (SNDFILE *sndfile, const double *ptr, sf_count_t len)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (len == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (len <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (len % psf->sf.channels)
{ psf->error = SFE_BAD_WRITE_ALIGN ;
return 0 ;
} ;
if (psf->write_double == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_double (psf, ptr, len) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count ;
} /* sf_write_double */
sf_count_t
sf_writef_double (SNDFILE *sndfile, const double *ptr, sf_count_t frames)
{ SF_PRIVATE *psf ;
sf_count_t count ;
if (frames == 0)
return 0 ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (frames <= 0)
{ psf->error = SFE_NEGATIVE_RW_LEN ;
return 0 ;
} ;
if (psf->file.mode == SFM_READ)
{ psf->error = SFE_NOT_WRITEMODE ;
return 0 ;
} ;
if (psf->write_double == NULL || psf->seek == NULL)
{ psf->error = SFE_UNIMPLEMENTED ;
return 0 ;
} ;
if (psf->last_op != SFM_WRITE)
if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
return 0 ;
if (psf->have_written == SF_FALSE && psf->write_header != NULL)
{ if ((psf->error = psf->write_header (psf, SF_FALSE)))
return 0 ;
} ;
psf->have_written = SF_TRUE ;
count = psf->write_double (psf, ptr, frames * psf->sf.channels) ;
psf->write_current += count / psf->sf.channels ;
psf->last_op = SFM_WRITE ;
if (psf->write_current > psf->sf.frames)
{ psf->sf.frames = psf->write_current ;
psf->dataend = 0 ;
} ;
if (psf->auto_header && psf->write_header != NULL)
psf->write_header (psf, SF_TRUE) ;
return count / psf->sf.channels ;
} /* sf_writef_double */
/*=========================================================================
** Private functions.
*/
static int
try_resource_fork (SF_PRIVATE * psf)
{ int old_error = psf->error ;
/* Set READ mode now, to see if resource fork exists. */
psf->rsrc.mode = SFM_READ ;
if (psf_open_rsrc (psf) != 0)
{ psf->error = old_error ;
return 0 ;
} ;
/* More checking here. */
psf_log_printf (psf, "Resource fork : %s\n", psf->rsrc.path.c) ;
return SF_FORMAT_SD2 ;
} /* try_resource_fork */
static int
format_from_extension (SF_PRIVATE *psf)
{ char *cptr ;
char buffer [16] ;
int format = 0 ;
if ((cptr = strrchr (psf->file.name.c, '.')) == NULL)
return 0 ;
cptr ++ ;
if (strlen (cptr) > sizeof (buffer) - 1)
return 0 ;
psf_strlcpy (buffer, sizeof (buffer), cptr) ;
buffer [sizeof (buffer) - 1] = 0 ;
/* Convert everything in the buffer to lower case. */
cptr = buffer ;
while (*cptr)
{ *cptr = tolower (*cptr) ;
cptr ++ ;
} ;
cptr = buffer ;
if (strcmp (cptr, "au") == 0)
{ psf->sf.channels = 1 ;
psf->sf.samplerate = 8000 ;
format = SF_FORMAT_RAW | SF_FORMAT_ULAW ;
}
else if (strcmp (cptr, "snd") == 0)
{ psf->sf.channels = 1 ;
psf->sf.samplerate = 8000 ;
format = SF_FORMAT_RAW | SF_FORMAT_ULAW ;
}
else if (strcmp (cptr, "vox") == 0 || strcmp (cptr, "vox8") == 0)
{ psf->sf.channels = 1 ;
psf->sf.samplerate = 8000 ;
format = SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM ;
}
else if (strcmp (cptr, "vox6") == 0)
{ psf->sf.channels = 1 ;
psf->sf.samplerate = 6000 ;
format = SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM ;
}
else if (strcmp (cptr, "gsm") == 0)
{ psf->sf.channels = 1 ;
psf->sf.samplerate = 8000 ;
format = SF_FORMAT_RAW | SF_FORMAT_GSM610 ;
}
/* For RAW files, make sure the dataoffset if set correctly. */
if ((SF_CONTAINER (format)) == SF_FORMAT_RAW)
psf->dataoffset = 0 ;
return format ;
} /* format_from_extension */
static int
guess_file_type (SF_PRIVATE *psf)
{ uint32_t buffer [3], format ;
if (psf_binheader_readf (psf, "b", &buffer, SIGNED_SIZEOF (buffer)) != SIGNED_SIZEOF (buffer))
{ psf->error = SFE_BAD_FILE_READ ;
return 0 ;
} ;
if ((buffer [0] == MAKE_MARKER ('R', 'I', 'F', 'F') || buffer [0] == MAKE_MARKER ('R', 'I', 'F', 'X'))
&& buffer [2] == MAKE_MARKER ('W', 'A', 'V', 'E'))
return SF_FORMAT_WAV ;
if (buffer [0] == MAKE_MARKER ('F', 'O', 'R', 'M'))
{ if (buffer [2] == MAKE_MARKER ('A', 'I', 'F', 'F') || buffer [2] == MAKE_MARKER ('A', 'I', 'F', 'C'))
return SF_FORMAT_AIFF ;
if (buffer [2] == MAKE_MARKER ('8', 'S', 'V', 'X') || buffer [2] == MAKE_MARKER ('1', '6', 'S', 'V'))
return SF_FORMAT_SVX ;
return 0 ;
} ;
if (buffer [0] == MAKE_MARKER ('.', 's', 'n', 'd') || buffer [0] == MAKE_MARKER ('d', 'n', 's', '.'))
return SF_FORMAT_AU ;
if ((buffer [0] == MAKE_MARKER ('f', 'a', 'p', ' ') || buffer [0] == MAKE_MARKER (' ', 'p', 'a', 'f')))
return SF_FORMAT_PAF ;
if (buffer [0] == MAKE_MARKER ('N', 'I', 'S', 'T'))
return SF_FORMAT_NIST ;
if (buffer [0] == MAKE_MARKER ('C', 'r', 'e', 'a') && buffer [1] == MAKE_MARKER ('t', 'i', 'v', 'e'))
return SF_FORMAT_VOC ;
if ((buffer [0] & MAKE_MARKER (0xFF, 0xFF, 0xF8, 0xFF)) == MAKE_MARKER (0x64, 0xA3, 0x00, 0x00) ||
(buffer [0] & MAKE_MARKER (0xFF, 0xF8, 0xFF, 0xFF)) == MAKE_MARKER (0x00, 0x00, 0xA3, 0x64))
return SF_FORMAT_IRCAM ;
if (buffer [0] == MAKE_MARKER ('r', 'i', 'f', 'f'))
return SF_FORMAT_W64 ;
if (buffer [0] == MAKE_MARKER (0, 0, 0x03, 0xE8) && buffer [1] == MAKE_MARKER (0, 0, 0, 1) &&
buffer [2] == MAKE_MARKER (0, 0, 0, 1))
return SF_FORMAT_MAT4 ;
if (buffer [0] == MAKE_MARKER (0, 0, 0, 0) && buffer [1] == MAKE_MARKER (1, 0, 0, 0) &&
buffer [2] == MAKE_MARKER (1, 0, 0, 0))
return SF_FORMAT_MAT4 ;
if (buffer [0] == MAKE_MARKER ('M', 'A', 'T', 'L') && buffer [1] == MAKE_MARKER ('A', 'B', ' ', '5'))
return SF_FORMAT_MAT5 ;
if (buffer [0] == MAKE_MARKER ('P', 'V', 'F', '1'))
return SF_FORMAT_PVF ;
if (buffer [0] == MAKE_MARKER ('E', 'x', 't', 'e') && buffer [1] == MAKE_MARKER ('n', 'd', 'e', 'd') &&
buffer [2] == MAKE_MARKER (' ', 'I', 'n', 's'))
return SF_FORMAT_XI ;
if (buffer [0] == MAKE_MARKER ('c', 'a', 'f', 'f') && buffer [2] == MAKE_MARKER ('d', 'e', 's', 'c'))
return SF_FORMAT_CAF ;
if (buffer [0] == MAKE_MARKER ('O', 'g', 'g', 'S'))
return SF_FORMAT_OGG ;
if (buffer [0] == MAKE_MARKER ('A', 'L', 'a', 'w') && buffer [1] == MAKE_MARKER ('S', 'o', 'u', 'n')
&& buffer [2] == MAKE_MARKER ('d', 'F', 'i', 'l'))
return SF_FORMAT_WVE ;
if (buffer [0] == MAKE_MARKER ('D', 'i', 'a', 'm') && buffer [1] == MAKE_MARKER ('o', 'n', 'd', 'W')
&& buffer [2] == MAKE_MARKER ('a', 'r', 'e', ' '))
return SF_FORMAT_DWD ;
if (buffer [0] == MAKE_MARKER ('L', 'M', '8', '9') || buffer [0] == MAKE_MARKER ('5', '3', 0, 0))
return SF_FORMAT_TXW ;
if ((buffer [0] & MAKE_MARKER (0xFF, 0xFF, 0x80, 0xFF)) == MAKE_MARKER (0xF0, 0x7E, 0, 0x01))
return SF_FORMAT_SDS ;
if ((buffer [0] & MAKE_MARKER (0xFF, 0xFF, 0, 0)) == MAKE_MARKER (1, 4, 0, 0))
return SF_FORMAT_MPC2K ;
if (buffer [0] == MAKE_MARKER ('C', 'A', 'T', ' ') && buffer [2] == MAKE_MARKER ('R', 'E', 'X', '2'))
return SF_FORMAT_REX2 ;
if (buffer [0] == MAKE_MARKER (0x30, 0x26, 0xB2, 0x75) && buffer [1] == MAKE_MARKER (0x8E, 0x66, 0xCF, 0x11))
return 0 /*-SF_FORMAT_WMA-*/ ;
/* HMM (Hidden Markov Model) Tool Kit. */
if (buffer [2] == MAKE_MARKER (0, 2, 0, 0) && 2 * ((int64_t) BE2H_32 (buffer [0])) + 12 == psf->filelength)
return SF_FORMAT_HTK ;
if (buffer [0] == MAKE_MARKER ('f', 'L', 'a', 'C'))
return SF_FORMAT_FLAC ;
if (buffer [0] == MAKE_MARKER ('2', 'B', 'I', 'T'))
return SF_FORMAT_AVR ;
if (buffer [0] == MAKE_MARKER ('R', 'F', '6', '4') && buffer [2] == MAKE_MARKER ('W', 'A', 'V', 'E'))
return SF_FORMAT_RF64 ;
if (buffer [0] == MAKE_MARKER ('I', 'D', '3', 3))
{ psf_log_printf (psf, "Found 'ID3' marker.\n") ;
if (id3_skip (psf))
return guess_file_type (psf) ;
return 0 ;
} ;
/* Turtle Beach SMP 16-bit */
if (buffer [0] == MAKE_MARKER ('S', 'O', 'U', 'N') && buffer [1] == MAKE_MARKER ('D', ' ', 'S', 'A'))
return 0 ;
/* Yamaha sampler format. */
if (buffer [0] == MAKE_MARKER ('S', 'Y', '8', '0') || buffer [0] == MAKE_MARKER ('S', 'Y', '8', '5'))
return 0 ;
if (buffer [0] == MAKE_MARKER ('a', 'j', 'k', 'g'))
return 0 /*-SF_FORMAT_SHN-*/ ;
/* This must be the last one. */
if (psf->filelength > 0 && (format = try_resource_fork (psf)) != 0)
return format ;
return 0 ;
} /* guess_file_type */
static int
validate_sfinfo (SF_INFO *sfinfo)
{ if (sfinfo->samplerate < 1)
return 0 ;
if (sfinfo->frames < 0)
return 0 ;
if (sfinfo->channels < 1)
return 0 ;
if ((SF_CONTAINER (sfinfo->format)) == 0)
return 0 ;
if ((SF_CODEC (sfinfo->format)) == 0)
return 0 ;
if (sfinfo->sections < 1)
return 0 ;
return 1 ;
} /* validate_sfinfo */
static int
validate_psf (SF_PRIVATE *psf)
{
if (psf->datalength < 0)
{ psf_log_printf (psf, "Invalid SF_PRIVATE field : datalength == %D.\n", psf->datalength) ;
return 0 ;
} ;
if (psf->dataoffset < 0)
{ psf_log_printf (psf, "Invalid SF_PRIVATE field : dataoffset == %D.\n", psf->dataoffset) ;
return 0 ;
} ;
if (psf->blockwidth && psf->blockwidth != psf->sf.channels * psf->bytewidth)
{ psf_log_printf (psf, "Invalid SF_PRIVATE field : channels * bytewidth == %d.\n",
psf->sf.channels * psf->bytewidth) ;
return 0 ;
} ;
return 1 ;
} /* validate_psf */
static void
save_header_info (SF_PRIVATE *psf)
{ snprintf (sf_parselog, sizeof (sf_parselog), "%s", psf->parselog.buf) ;
} /* save_header_info */
static int
copy_filename (SF_PRIVATE *psf, const char *path)
{ const char *ccptr ;
char *cptr ;
if (strlen (path) > 1 && strlen (path) - 1 >= sizeof (psf->file.path.c))
{ psf->error = SFE_FILENAME_TOO_LONG ;
return psf->error ;
} ;
snprintf (psf->file.path.c, sizeof (psf->file.path.c), "%s", path) ;
if ((ccptr = strrchr (path, '/')) || (ccptr = strrchr (path, '\\')))
ccptr ++ ;
else
ccptr = path ;
snprintf (psf->file.name.c, sizeof (psf->file.name.c), "%s", ccptr) ;
/* Now grab the directory. */
snprintf (psf->file.dir.c, sizeof (psf->file.dir.c), "%s", path) ;
if ((cptr = strrchr (psf->file.dir.c, '/')) || (cptr = strrchr (psf->file.dir.c, '\\')))
cptr [1] = 0 ;
else
psf->file.dir.c [0] = 0 ;
return 0 ;
} /* copy_filename */
/*==============================================================================
*/
static int
psf_close (SF_PRIVATE *psf)
{ uint32_t k ;
int error = 0 ;
if (psf->codec_close)
{ error = psf->codec_close (psf) ;
/* To prevent it being called in psf->container_close(). */
psf->codec_close = NULL ;
} ;
if (psf->container_close)
error = psf->container_close (psf) ;
error = psf_fclose (psf) ;
psf_close_rsrc (psf) ;
/* For an ISO C compliant implementation it is ok to free a NULL pointer. */
free (psf->header.ptr) ;
free (psf->container_data) ;
free (psf->codec_data) ;
free (psf->interleave) ;
free (psf->dither) ;
free (psf->peak_info) ;
free (psf->broadcast_16k) ;
free (psf->loop_info) ;
free (psf->instrument) ;
free (psf->cues) ;
free (psf->channel_map) ;
free (psf->format_desc) ;
free (psf->strings.storage) ;
if (psf->wchunks.chunks)
for (k = 0 ; k < psf->wchunks.used ; k++)
free (psf->wchunks.chunks [k].data) ;
free (psf->rchunks.chunks) ;
free (psf->wchunks.chunks) ;
free (psf->iterator) ;
free (psf->cart_16k) ;
free (psf) ;
return error ;
} /* psf_close */
SNDFILE *
psf_open_file (SF_PRIVATE *psf, SF_INFO *sfinfo)
{ int error, format ;
sf_errno = error = 0 ;
sf_parselog [0] = 0 ;
if (psf->error)
{ error = psf->error ;
goto error_exit ;
} ;
if (psf->file.mode != SFM_READ && psf->file.mode != SFM_WRITE && psf->file.mode != SFM_RDWR)
{ error = SFE_BAD_OPEN_MODE ;
goto error_exit ;
} ;
if (sfinfo == NULL)
{ error = SFE_BAD_SF_INFO_PTR ;
goto error_exit ;
} ;
if (psf->file.mode == SFM_READ)
{ if ((SF_CONTAINER (sfinfo->format)) == SF_FORMAT_RAW)
{ if (sf_format_check (sfinfo) == 0)
{ error = SFE_RAW_BAD_FORMAT ;
goto error_exit ;
} ;
}
else
memset (sfinfo, 0, sizeof (SF_INFO)) ;
} ;
memcpy (&psf->sf, sfinfo, sizeof (SF_INFO)) ;
psf->Magick = SNDFILE_MAGICK ;
psf->norm_float = SF_TRUE ;
psf->norm_double = SF_TRUE ;
psf->dataoffset = -1 ;
psf->datalength = -1 ;
psf->read_current = -1 ;
psf->write_current = -1 ;
psf->auto_header = SF_FALSE ;
psf->rwf_endian = SF_ENDIAN_LITTLE ;
psf->seek = psf_default_seek ;
psf->float_int_mult = 0 ;
psf->float_max = -1.0 ;
/* An attempt at a per SF_PRIVATE unique id. */
psf->unique_id = psf_rand_int32 () ;
psf->sf.sections = 1 ;
psf->is_pipe = psf_is_pipe (psf) ;
if (psf->is_pipe)
{ psf->sf.seekable = SF_FALSE ;
psf->filelength = SF_COUNT_MAX ;
}
else
{ psf->sf.seekable = SF_TRUE ;
/* File is open, so get the length. */
psf->filelength = psf_get_filelen (psf) ;
} ;
if (psf->fileoffset > 0)
{ switch (psf->file.mode)
{ case SFM_READ :
if (psf->filelength < 44)
{ psf_log_printf (psf, "Short filelength: %D (fileoffset: %D)\n", psf->filelength, psf->fileoffset) ;
error = SFE_BAD_OFFSET ;
goto error_exit ;
} ;
break ;
case SFM_WRITE :
psf->fileoffset = 0 ;
psf_fseek (psf, 0, SEEK_END) ;
psf->fileoffset = psf_ftell (psf) ;
break ;
case SFM_RDWR :
error = SFE_NO_EMBEDDED_RDWR ;
goto error_exit ;
} ;
psf_log_printf (psf, "Embedded file offset : %D\n", psf->fileoffset) ;
} ;
if (psf->filelength == SF_COUNT_MAX)
psf_log_printf (psf, "Length : unknown\n") ;
else
psf_log_printf (psf, "Length : %D\n", psf->filelength) ;
if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->filelength == 0))
{ /* If the file is being opened for write or RDWR and the file is currently
** empty, then the SF_INFO struct must contain valid data.
*/
if ((SF_CONTAINER (psf->sf.format)) == 0)
{ error = SFE_ZERO_MAJOR_FORMAT ;
goto error_exit ;
} ;
if ((SF_CODEC (psf->sf.format)) == 0)
{ error = SFE_ZERO_MINOR_FORMAT ;
goto error_exit ;
} ;
if (sf_format_check (&psf->sf) == 0)
{ error = SFE_BAD_OPEN_FORMAT ;
goto error_exit ;
} ;
}
else if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_RAW)
{ /* If type RAW has not been specified then need to figure out file type. */
psf->sf.format = guess_file_type (psf) ;
if (psf->sf.format == 0)
psf->sf.format = format_from_extension (psf) ;
} ;
/* Prevent unnecessary seeks */
psf->last_op = psf->file.mode ;
/* Set bytewidth if known. */
switch (SF_CODEC (psf->sf.format))
{ case SF_FORMAT_PCM_S8 :
case SF_FORMAT_PCM_U8 :
case SF_FORMAT_ULAW :
case SF_FORMAT_ALAW :
case SF_FORMAT_DPCM_8 :
psf->bytewidth = 1 ;
break ;
case SF_FORMAT_PCM_16 :
case SF_FORMAT_DPCM_16 :
psf->bytewidth = 2 ;
break ;
case SF_FORMAT_PCM_24 :
psf->bytewidth = 3 ;
break ;
case SF_FORMAT_PCM_32 :
case SF_FORMAT_FLOAT :
psf->bytewidth = 4 ;
break ;
case SF_FORMAT_DOUBLE :
psf->bytewidth = 8 ;
break ;
} ;
/* Call the initialisation function for the relevant file type. */
switch (SF_CONTAINER (psf->sf.format))
{ case SF_FORMAT_WAV :
case SF_FORMAT_WAVEX :
error = wav_open (psf) ;
break ;
case SF_FORMAT_AIFF :
error = aiff_open (psf) ;
break ;
case SF_FORMAT_AU :
error = au_open (psf) ;
break ;
case SF_FORMAT_RAW :
error = raw_open (psf) ;
break ;
case SF_FORMAT_W64 :
error = w64_open (psf) ;
break ;
case SF_FORMAT_RF64 :
error = rf64_open (psf) ;
break ;
/* Lite remove start */
case SF_FORMAT_PAF :
error = paf_open (psf) ;
break ;
case SF_FORMAT_SVX :
error = svx_open (psf) ;
break ;
case SF_FORMAT_NIST :
error = nist_open (psf) ;
break ;
case SF_FORMAT_IRCAM :
error = ircam_open (psf) ;
break ;
case SF_FORMAT_VOC :
error = voc_open (psf) ;
break ;
case SF_FORMAT_SDS :
error = sds_open (psf) ;
break ;
case SF_FORMAT_OGG :
error = ogg_open (psf) ;
break ;
case SF_FORMAT_TXW :
error = txw_open (psf) ;
break ;
case SF_FORMAT_WVE :
error = wve_open (psf) ;
break ;
case SF_FORMAT_DWD :
error = dwd_open (psf) ;
break ;
case SF_FORMAT_MAT4 :
error = mat4_open (psf) ;
break ;
case SF_FORMAT_MAT5 :
error = mat5_open (psf) ;
break ;
case SF_FORMAT_PVF :
error = pvf_open (psf) ;
break ;
case SF_FORMAT_XI :
error = xi_open (psf) ;
break ;
case SF_FORMAT_HTK :
error = htk_open (psf) ;
break ;
case SF_FORMAT_SD2 :
error = sd2_open (psf) ;
break ;
case SF_FORMAT_REX2 :
error = rx2_open (psf) ;
break ;
case SF_FORMAT_AVR :
error = avr_open (psf) ;
break ;
case SF_FORMAT_FLAC :
error = flac_open (psf) ;
break ;
case SF_FORMAT_CAF :
error = caf_open (psf) ;
break ;
case SF_FORMAT_MPC2K :
error = mpc2k_open (psf) ;
break ;
/* Lite remove end */
default :
error = SF_ERR_UNRECOGNISED_FORMAT ;
} ;
if (error)
goto error_exit ;
/* For now, check whether embedding is supported. */
format = SF_CONTAINER (psf->sf.format) ;
if (psf->fileoffset > 0)
{ switch (format)
{ case SF_FORMAT_WAV :
case SF_FORMAT_WAVEX :
case SF_FORMAT_AIFF :
case SF_FORMAT_AU :
/* Actual embedded files. */
break ;
case SF_FORMAT_FLAC :
/* Flac with an ID3v2 header? */
break ;
default :
error = SFE_NO_EMBED_SUPPORT ;
goto error_exit ;
} ;
} ;
if (psf->fileoffset > 0)
psf_log_printf (psf, "Embedded file length : %D\n", psf->filelength) ;
if (psf->file.mode == SFM_RDWR && sf_format_check (&psf->sf) == 0)
{ error = SFE_BAD_MODE_RW ;
goto error_exit ;
} ;
if (validate_sfinfo (&psf->sf) == 0)
{ psf_log_SF_INFO (psf) ;
save_header_info (psf) ;
error = SFE_BAD_SF_INFO ;
goto error_exit ;
} ;
if (validate_psf (psf) == 0)
{ save_header_info (psf) ;
error = SFE_INTERNAL ;
goto error_exit ;
} ;
psf->read_current = 0 ;
psf->write_current = 0 ;
if (psf->file.mode == SFM_RDWR)
{ psf->write_current = psf->sf.frames ;
psf->have_written = psf->sf.frames > 0 ? SF_TRUE : SF_FALSE ;
} ;
memcpy (sfinfo, &psf->sf, sizeof (SF_INFO)) ;
if (psf->file.mode == SFM_WRITE)
{ /* Zero out these fields. */
sfinfo->frames = 0 ;
sfinfo->sections = 0 ;
sfinfo->seekable = 0 ;
} ;
return (SNDFILE *) psf ;
error_exit :
sf_errno = error ;
if (error == SFE_SYSTEM)
snprintf (sf_syserr, sizeof (sf_syserr), "%s", psf->syserr) ;
snprintf (sf_parselog, sizeof (sf_parselog), "%s", psf->parselog.buf) ;
switch (error)
{ case SF_ERR_SYSTEM :
case SF_ERR_UNSUPPORTED_ENCODING :
case SFE_UNIMPLEMENTED :
break ;
case SFE_RAW_BAD_FORMAT :
break ;
default :
if (psf->file.mode == SFM_READ)
{ psf_log_printf (psf, "Parse error : %s\n", sf_error_number (error)) ;
error = SF_ERR_MALFORMED_FILE ;
} ;
} ;
psf_close (psf) ;
return NULL ;
} /* psf_open_file */
/*==============================================================================
** Chunk getting and setting.
** This works for AIFF, CAF, RF64 and WAV.
** It doesn't work for W64 because W64 uses weird GUID style chunk markers.
*/
int
sf_set_chunk (SNDFILE * sndfile, const SF_CHUNK_INFO * chunk_info)
{ SF_PRIVATE *psf ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (chunk_info == NULL || chunk_info->data == NULL)
return SFE_BAD_CHUNK_PTR ;
if (psf->set_chunk)
return psf->set_chunk (psf, chunk_info) ;
return SFE_BAD_CHUNK_FORMAT ;
} /* sf_set_chunk */
SF_CHUNK_ITERATOR *
sf_get_chunk_iterator (SNDFILE * sndfile, const SF_CHUNK_INFO * chunk_info)
{ SF_PRIVATE *psf ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (chunk_info)
return psf_get_chunk_iterator (psf, chunk_info->id) ;
return psf_get_chunk_iterator (psf, NULL) ;
} /* sf_get_chunk_iterator */
SF_CHUNK_ITERATOR *
sf_next_chunk_iterator (SF_CHUNK_ITERATOR * iterator)
{ SF_PRIVATE *psf ;
SNDFILE *sndfile = iterator ? iterator->sndfile : NULL ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (psf->next_chunk_iterator)
return psf->next_chunk_iterator (psf, iterator) ;
return NULL ;
} /* sf_get_chunk_iterator_next */
int
sf_get_chunk_size (const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
{ SF_PRIVATE *psf ;
SNDFILE *sndfile = iterator ? iterator->sndfile : NULL ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (chunk_info == NULL)
return SFE_BAD_CHUNK_PTR ;
if (psf->get_chunk_size)
return psf->get_chunk_size (psf, iterator, chunk_info) ;
return SFE_BAD_CHUNK_FORMAT ;
} /* sf_get_chunk_size */
int
sf_get_chunk_data (const SF_CHUNK_ITERATOR * iterator, SF_CHUNK_INFO * chunk_info)
{ SF_PRIVATE *psf ;
SNDFILE *sndfile = iterator ? iterator->sndfile : NULL ;
VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
if (chunk_info == NULL || chunk_info->data == NULL)
return SFE_BAD_CHUNK_PTR ;
if (psf->get_chunk_data)
return psf->get_chunk_data (psf, iterator, chunk_info) ;
return SFE_BAD_CHUNK_FORMAT ;
} /* sf_get_chunk_data */
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