--- /dev/null
+/*
+** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU Lesser General Public License as published by
+** the Free Software Foundation; either version 2.1 of the License, or
+** (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU Lesser General Public License for more details.
+**
+** You should have received a copy of the GNU Lesser General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "sfconfig.h"
+
+#include <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_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_UNKNOWN_FORMAT , "File contains data in an unknown format." },
+ { 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 size in SF_BROADCAST_INFO struct." },
+ { SFE_BAD_BROADCAST_INFO_TOO_BIG
+ , "Error : SF_BROADCAST_INFO struct too large." },
+
+ { 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_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_GSM610_FORMAT , "Error in GSM610 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 openning 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, unknow 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 while 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_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_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_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 void 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_logbuffer [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 = calloc (1, sizeof (SF_PRIVATE))) == NULL)
+ { sf_errno = SFE_MALLOC_FAILED ;
+ return NULL ;
+ } ;
+
+ memset (psf, 0, sizeof (SF_PRIVATE)) ;
+ psf_init_files (psf) ;
+
+ psf_log_printf (psf, "File : %s\n", path) ;
+
+ copy_filename (psf, path) ;
+
+ 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 = calloc (1, sizeof (SF_PRIVATE))) == 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 || sfvirtual->seek == NULL || sfvirtual->tell == NULL)
+ { sf_errno = SFE_BAD_VIRTUAL_IO ;
+ snprintf (sf_logbuffer, sizeof (sf_logbuffer), "Bad vio_get_filelen / 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_logbuffer, sizeof (sf_logbuffer), "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_logbuffer, sizeof (sf_logbuffer), "Bad vio_write in SF_VIRTUAL_IO struct.\n") ;
+ return NULL ;
+ } ;
+
+ if ((psf = calloc (1, sizeof (SF_PRIVATE))) == 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 ;
+ 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 ;
+ /* Other encodings. Check for endian-ness. */
+ if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
+ 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_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 ;
+ 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 (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 :
+ /* 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 :
+ /* HTK is strictly big endian. */
+ if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
+ return 0 ;
+ if (info->channels != 1)
+ return 0 ;
+ if (subformat == SF_FORMAT_PCM_16)
+ return 1 ;
+ break ;
+
+ case SF_FORMAT_SDS :
+ /* SDS is strictly big endian. */
+ if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
+ return 0 ;
+ if (info->channels != 1)
+ 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 :
+ /* SDS is strictly big endian. */
+ if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
+ return 0 ;
+ if (info->channels > 2)
+ 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 (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)
+ return 1 ;
+ break ;
+
+ case SF_FORMAT_WVE :
+ /* WVE is strictly big endian. */
+ if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
+ return 0 ;
+ if (info->channels > 1)
+ return 0 ;
+ if (subformat == SF_FORMAT_ALAW)
+ return 1 ;
+ break ;
+
+ case SF_FORMAT_OGG :
+ if (subformat == SF_FORMAT_VORBIS)
+ return 1 ;
+ break ;
+
+ case SF_FORMAT_MPC2K :
+ /* MPC2000 is strictly little endian. */
+ if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
+ return 0 ;
+ if (info->channels > 2)
+ 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 ;
+ 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 SFE_BAD_COMMAND_PARAM ;
+ } ;
+ 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_logbuffer) ;
+ 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)
+ psf->float_max = 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 :
+ 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->logbuffer) ;
+ break ;
+
+ 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 0
+ if (psf->broadcast_info == NULL)
+ psf->broadcast_info = broadcast_info_alloc () ;
+
+ broadcast_info_copy (psf->broadcast_info, data) ;
+ broadcast_add_coding_history (psf->broadcast_info, psf->sf.channels, psf->sf.samplerate, psf->sf.format) ;
+#else
+ broadcast_var_set (psf, data, datasize) ;
+#endif
+
+ 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 ;
+ } ;
+#if 0
+ if (psf->broadcast_info == NULL)
+ return SF_FALSE ;
+ return broadcast_info_copy (data, psf->broadcast_info) ;
+#else
+ return broadcast_var_get (psf, data, datasize) ;
+#endif
+
+ 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 ;
+
+ 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 */
+
+/*==============================================================================
+*/
+
+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 ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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 (len <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ if (psf->file.mode == SFM_WRITE)
+ { psf->error = SFE_NOT_READMODE ;
+ return 0 ;
+ } ;
+
+ if (frames <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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 (len <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ if (psf->file.mode == SFM_WRITE)
+ { psf->error = SFE_NOT_READMODE ;
+ return 0 ;
+ } ;
+
+ if (frames <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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 (len <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ if (psf->file.mode == SFM_WRITE)
+ { psf->error = SFE_NOT_READMODE ;
+ return 0 ;
+ } ;
+
+ if (frames <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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 (len <= 0 || 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ if (psf->file.mode == SFM_WRITE)
+ { psf->error = SFE_NOT_READMODE ;
+ return 0 ;
+ } ;
+
+ if (frames <= 0 || 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 ;
+
+ 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_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)
+ psf->write_header (psf, SF_FALSE) ;
+ psf->have_written = SF_TRUE ;
+
+ count = psf_fwrite (ptr, 1, len, psf) ;
+
+ psf->write_current += count / blockwidth ;
+
+ psf->last_op = SFM_WRITE ;
+
+ if (psf->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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 ;
+
+ VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
+
+ 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)
+ psf->write_header (psf, SF_FALSE) ;
+ 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->auto_header && psf->write_header != NULL)
+ psf->write_header (psf, SF_TRUE) ;
+
+ if (psf->write_current > psf->sf.frames)
+ psf->sf.frames = psf->write_current ;
+
+ 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)
+{ int 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 (2 * BEI2H_INT (buffer [0]) + 12 == psf->filelength && buffer [2] == MAKE_MARKER (0, 2, 0, 0))
+ 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_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
+} /* save_header_info */
+
+static void
+copy_filename (SF_PRIVATE *psf, const char *path)
+{ const char *ccptr ;
+ char *cptr ;
+
+ 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 ;
+} /* copy_filename */
+
+/*==============================================================================
+*/
+
+static int
+psf_close (SF_PRIVATE *psf)
+{ int error = 0 ;
+
+ if (psf->codec_close)
+ error = psf->codec_close (psf) ;
+ if (psf->container_close)
+ error = psf->container_close (psf) ;
+
+ error = psf_fclose (psf) ;
+ psf_close_rsrc (psf) ;
+
+ if (psf->container_data)
+ free (psf->container_data) ;
+
+ if (psf->codec_data)
+ free (psf->codec_data) ;
+
+ if (psf->interleave)
+ free (psf->interleave) ;
+
+ if (psf->dither)
+ free (psf->dither) ;
+
+ if (psf->peak_info)
+ free (psf->peak_info) ;
+
+ if (psf->broadcast_16k)
+ free (psf->broadcast_16k) ;
+
+ if (psf->loop_info)
+ free (psf->loop_info) ;
+
+ if (psf->instrument)
+ free (psf->instrument) ;
+
+ if (psf->channel_map)
+ free (psf->channel_map) ;
+
+ if (psf->format_desc)
+ { psf->format_desc [0] = 0 ;
+ free (psf->format_desc) ;
+ } ;
+
+ memset (psf, 0, sizeof (SF_PRIVATE)) ;
+ free (psf) ;
+
+ return error ;
+} /* psf_close */
+
+SNDFILE *
+psf_open_file (SF_PRIVATE *psf, SF_INFO *sfinfo)
+{ int error, format ;
+
+ sf_errno = error = 0 ;
+ sf_logbuffer [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 ;
+ } ;
+
+ /* Zero out these fields. */
+ sfinfo->frames = 0 ;
+ sfinfo->sections = 0 ;
+ sfinfo->seekable = 0 ;
+
+ 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 = SFE_UNKNOWN_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)) ;
+
+ memcpy (sfinfo, &(psf->sf), sizeof (SF_INFO)) ;
+
+ return (SNDFILE *) psf ;
+
+error_exit :
+ sf_errno = error ;
+
+ if (error == SFE_SYSTEM)
+ snprintf (sf_syserr, sizeof (sf_syserr), "%s", psf->syserr) ;
+ snprintf (sf_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
+
+ 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 */
+
projects / Faustine.git / blobdiff