diff options
Diffstat (limited to 'src/sndfile.c')
| -rw-r--r-- | src/sndfile.c | 2923 |
1 files changed, 2923 insertions, 0 deletions
diff --git a/src/sndfile.c b/src/sndfile.c new file mode 100644 index 0000000..d88a16c --- /dev/null +++ b/src/sndfile.c @@ -0,0 +1,2923 @@ +/* +** 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 */ + |