2 ** Copyright (C) 1999-2005 Erik de Castro Lopo <erikd@mega-nerd.com>
4 ** This program is free software; you can redistribute it and/or modify
5 ** it under the terms of the GNU Lesser General Public License as published by
6 ** the Free Software Foundation; either version 2.1 of the License, or
7 ** (at your option) any later version.
9 ** This program is distributed in the hope that it will be useful,
10 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ** GNU Lesser General Public License for more details.
14 ** You should have received a copy of the GNU Lesser General Public License
15 ** along with this program; if not, write to the Free Software
16 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 #define SNDFILE_MAGICK 0x1234C0DE
37 ErrorStruct SndfileErrors [] =
39 /* Public error values and their associated strings. */
40 { SF_ERR_NO_ERROR , "No Error." },
41 { SF_ERR_UNRECOGNISED_FORMAT , "File opened for read. Format not recognised." },
42 { SF_ERR_SYSTEM , "System error." /* Often replaced. */ },
43 { SF_ERR_MALFORMED_FILE , "Supported file format but file is malformed." },
44 { SF_ERR_UNSUPPORTED_ENCODING , "Supported file format but unsupported encoding." },
46 /* Private error values and their associated strings. */
47 { SFE_BAD_FILE , "File does not exist or is not a regular file (possibly a pipe?)." },
48 { SFE_BAD_FILE_READ , "File exists but no data could be read." },
49 { SFE_OPEN_FAILED , "Could not open file." },
50 { SFE_BAD_SNDFILE_PTR , "Not a valid SNDFILE* pointer." },
51 { SFE_BAD_SF_INFO_PTR , "NULL SF_INFO pointer passed to libsndfile." },
52 { SFE_BAD_SF_INCOMPLETE , "SF_PRIVATE struct incomplete and end of header parsing." },
53 { SFE_BAD_FILE_PTR , "Bad FILE pointer." },
54 { SFE_BAD_INT_PTR , "Internal error, Bad pointer." },
55 { SFE_BAD_STAT_SIZE , "Error : software was misconfigured at compile time (sizeof statbuf.st_size)." },
57 { SFE_MALLOC_FAILED , "Internal malloc () failed." },
58 { SFE_UNIMPLEMENTED , "File contains data in an unimplemented format." },
59 { SFE_BAD_READ_ALIGN , "Attempt to read a non-integer number of channels." },
60 { SFE_BAD_WRITE_ALIGN , "Attempt to write a non-integer number of channels." },
61 { SFE_UNKNOWN_FORMAT , "File contains data in an unknown format." },
62 { SFE_NOT_READMODE , "Read attempted on file currently open for write." },
63 { SFE_NOT_WRITEMODE , "Write attempted on file currently open for read." },
64 { SFE_BAD_MODE_RW , "This file format does not support read/write mode." },
65 { SFE_BAD_SF_INFO , "Internal error : SF_INFO struct incomplete." },
66 { SFE_BAD_OFFSET , "Error : supplied offset beyond end of file." },
67 { SFE_NO_EMBED_SUPPORT , "Error : embedding not supported for this file format." },
68 { SFE_NO_EMBEDDED_RDWR , "Error : cannot open embedded file read/write." },
69 { SFE_NO_PIPE_WRITE , "Error : this file format does not support pipe write." },
70 { SFE_BAD_RDWR_FORMAT , "Attempted to open read only format for RDWR." },
71 { SFE_BAD_VIRTUAL_IO , "Error : bad pointer on SF_VIRTUAL_IO struct." },
73 { SFE_INTERLEAVE_MODE , "Attempt to write to file with non-interleaved data." },
74 { SFE_INTERLEAVE_SEEK , "Bad karma in seek during interleave read operation." },
75 { SFE_INTERLEAVE_READ , "Bad karma in read during interleave read operation." },
77 { SFE_INTERNAL , "Unspecified internal error." },
78 { SFE_BAD_CONTROL_CMD , "Bad command passed to function sf_command()." },
79 { SFE_BAD_ENDIAN , "Bad endian-ness. Try default endian-ness" },
80 { SFE_CHANNEL_COUNT , "Too many channels specified." },
82 { SFE_BAD_SEEK , "Internal psf_fseek() failed." },
83 { SFE_NOT_SEEKABLE , "Seek attempted on unseekable file type." },
84 { SFE_AMBIGUOUS_SEEK , "Error : combination of file open mode and seek command is ambiguous." },
85 { SFE_WRONG_SEEK , "Error : invalid seek parameters." },
86 { SFE_SEEK_FAILED , "Error : parameters OK, but psf_seek() failed." },
88 { SFE_BAD_OPEN_MODE , "Error : bad mode parameter for file open." },
89 { SFE_OPEN_PIPE_RDWR , "Error : attempt toopen a pipe in read/write mode." },
90 { SFE_RDWR_POSITION , "Error on RDWR position (cryptic)." },
91 { SFE_RDWR_BAD_HEADER , "Error : Cannot open file in read/write mode due to string data in header." },
93 { SFE_STR_NO_SUPPORT , "Error : File type does not support string data." },
94 { SFE_STR_NOT_WRITE , "Error : Trying to set a string when file is not in write mode." },
95 { SFE_STR_MAX_DATA , "Error : Maximum string data storage reached." },
96 { SFE_STR_MAX_COUNT , "Error : Maximum string data count reached." },
97 { SFE_STR_BAD_TYPE , "Error : Bad string data type." },
98 { SFE_STR_NO_ADD_END , "Error : file type does not support strings added at end of file." },
99 { SFE_STR_BAD_STRING , "Error : bad string." },
100 { SFE_STR_WEIRD , "Error : Weird string error." },
102 { SFE_WAV_NO_RIFF , "Error in WAV file. No 'RIFF' chunk marker." },
103 { SFE_WAV_NO_WAVE , "Error in WAV file. No 'WAVE' chunk marker." },
104 { SFE_WAV_NO_FMT , "Error in WAV file. No 'fmt ' chunk marker." },
105 { SFE_WAV_FMT_SHORT , "Error in WAV file. Short 'fmt ' chunk." },
107 { SFE_WAV_BAD_FACT , "Error in WAV file. 'fact' chunk out of place." },
108 { SFE_WAV_BAD_PEAK , "Error in WAV file. Bad 'PEAK' chunk." },
109 { SFE_WAV_PEAK_B4_FMT , "Error in WAV file. 'PEAK' chunk found before 'fmt ' chunk." },
111 { SFE_WAV_BAD_FORMAT , "Error in WAV file. Errors in 'fmt ' chunk." },
112 { SFE_WAV_BAD_BLOCKALIGN , "Error in WAV file. Block alignment in 'fmt ' chunk is incorrect." },
113 { SFE_WAV_NO_DATA , "Error in WAV file. No 'data' chunk marker." },
114 { SFE_WAV_BAD_LIST , "Error in WAV file. Malformed LIST chunk." },
115 { SFE_WAV_UNKNOWN_CHUNK , "Error in WAV file. File contains an unknown chunk marker." },
116 { SFE_WAV_WVPK_DATA , "Error in WAV file. Data is in WAVPACK format." },
118 { SFE_WAV_ADPCM_NOT4BIT , "Error in ADPCM WAV file. Invalid bit width." },
119 { SFE_WAV_ADPCM_CHANNELS , "Error in ADPCM WAV file. Invalid number of channels." },
120 { SFE_WAV_GSM610_FORMAT , "Error in GSM610 WAV file. Invalid format chunk." },
122 { SFE_AIFF_NO_FORM , "Error in AIFF file, bad 'FORM' marker." },
123 { SFE_AIFF_AIFF_NO_FORM , "Error in AIFF file, 'AIFF' marker without 'FORM'." },
124 { SFE_AIFF_COMM_NO_FORM , "Error in AIFF file, 'COMM' marker without 'FORM'." },
125 { SFE_AIFF_SSND_NO_COMM , "Error in AIFF file, 'SSND' marker without 'COMM'." },
126 { SFE_AIFF_UNKNOWN_CHUNK , "Error in AIFF file, unknown chunk." },
127 { SFE_AIFF_COMM_CHUNK_SIZE, "Error in AIFF file, bad 'COMM' chunk size." },
128 { SFE_AIFF_BAD_COMM_CHUNK , "Error in AIFF file, bad 'COMM' chunk." },
129 { SFE_AIFF_PEAK_B4_COMM , "Error in AIFF file. 'PEAK' chunk found before 'COMM' chunk." },
130 { SFE_AIFF_BAD_PEAK , "Error in AIFF file. Bad 'PEAK' chunk." },
131 { SFE_AIFF_NO_SSND , "Error in AIFF file, bad 'SSND' chunk." },
132 { SFE_AIFF_NO_DATA , "Error in AIFF file, no sound data." },
133 { SFE_AIFF_RW_SSND_NOT_LAST, "Error in AIFF file, RDWR only possible if SSND chunk at end of file." },
135 { SFE_AU_UNKNOWN_FORMAT , "Error in AU file, unknown format." },
136 { SFE_AU_NO_DOTSND , "Error in AU file, missing '.snd' or 'dns.' marker." },
137 { SFE_AU_EMBED_BAD_LEN , "Embedded AU file with unknown length." },
139 { SFE_RAW_READ_BAD_SPEC , "Error while opening RAW file for read. Must specify format and channels.\n"
140 "Possibly trying to open unsupported format."
142 { SFE_RAW_BAD_BITWIDTH , "Error. RAW file bitwidth must be a multiple of 8." },
143 { SFE_RAW_BAD_FORMAT , "Error. Bad format field in SF_INFO struct when openning a RAW file for read." },
145 { SFE_PAF_NO_MARKER , "Error in PAF file, no marker." },
146 { SFE_PAF_VERSION , "Error in PAF file, bad version." },
147 { SFE_PAF_UNKNOWN_FORMAT , "Error in PAF file, unknown format." },
148 { SFE_PAF_SHORT_HEADER , "Error in PAF file. File shorter than minimal header." },
150 { SFE_SVX_NO_FORM , "Error in 8SVX / 16SV file, no 'FORM' marker." },
151 { SFE_SVX_NO_BODY , "Error in 8SVX / 16SV file, no 'BODY' marker." },
152 { SFE_SVX_NO_DATA , "Error in 8SVX / 16SV file, no sound data." },
153 { SFE_SVX_BAD_COMP , "Error in 8SVX / 16SV file, unsupported compression format." },
154 { SFE_SVX_BAD_NAME_LENGTH , "Error in 8SVX / 16SV file, NAME chunk too long." },
156 { SFE_NIST_BAD_HEADER , "Error in NIST file, bad header." },
157 { SFE_NIST_CRLF_CONVERISON, "Error : NIST file damaged by Windows CR -> CRLF conversion process." },
158 { SFE_NIST_BAD_ENCODING , "Error in NIST file, unsupported compression format." },
160 { SFE_VOC_NO_CREATIVE , "Error in VOC file, no 'Creative Voice File' marker." },
161 { SFE_VOC_BAD_FORMAT , "Error in VOC file, bad format." },
162 { SFE_VOC_BAD_VERSION , "Error in VOC file, bad version number." },
163 { SFE_VOC_BAD_MARKER , "Error in VOC file, bad marker in file." },
164 { SFE_VOC_BAD_SECTIONS , "Error in VOC file, incompatible VOC sections." },
165 { SFE_VOC_MULTI_SAMPLERATE, "Error in VOC file, more than one sample rate defined." },
166 { SFE_VOC_MULTI_SECTION , "Unimplemented VOC file feature, file contains multiple sound sections." },
167 { SFE_VOC_MULTI_PARAM , "Error in VOC file, file contains multiple bit or channel widths." },
168 { SFE_VOC_SECTION_COUNT , "Error in VOC file, too many sections." },
169 { SFE_VOC_NO_PIPE , "Error : not able to operate on VOC files over a pipe." },
171 { SFE_IRCAM_NO_MARKER , "Error in IRCAM file, bad IRCAM marker." },
172 { SFE_IRCAM_BAD_CHANNELS , "Error in IRCAM file, bad channel count." },
173 { SFE_IRCAM_UNKNOWN_FORMAT, "Error in IRCAM file, unknow encoding format." },
175 { SFE_W64_64_BIT , "Error in W64 file, file contains 64 bit offset." },
177 { SFE_W64_NO_RIFF , "Error in W64 file. No 'riff' chunk marker." },
178 { SFE_W64_NO_WAVE , "Error in W64 file. No 'wave' chunk marker." },
179 { SFE_W64_NO_FMT , "Error in W64 file. No 'fmt ' chunk marker." },
180 { SFE_W64_NO_DATA , "Error in W64 file. No 'data' chunk marker." },
182 { SFE_W64_FMT_SHORT , "Error in W64 file. Short 'fmt ' chunk." },
183 { SFE_W64_FMT_TOO_BIG , "Error in W64 file. 'fmt ' chunk too large." },
185 { SFE_W64_ADPCM_NOT4BIT , "Error in ADPCM W64 file. Invalid bit width." },
186 { SFE_W64_ADPCM_CHANNELS , "Error in ADPCM W64 file. Invalid number of channels." },
187 { SFE_W64_GSM610_FORMAT , "Error in GSM610 W64 file. Invalid format chunk." },
189 { SFE_MAT4_BAD_NAME , "Error in MAT4 file. No variable name." },
190 { SFE_MAT4_NO_SAMPLERATE , "Error in MAT4 file. No sample rate." },
191 { SFE_MAT4_ZERO_CHANNELS , "Error in MAT4 file. Channel count is zero." },
193 { SFE_MAT5_BAD_ENDIAN , "Error in MAT5 file. Not able to determine endian-ness." },
194 { SFE_MAT5_NO_BLOCK , "Error in MAT5 file. Bad block structure." },
195 { SFE_MAT5_SAMPLE_RATE , "Error in MAT5 file. Not able to determine sample rate." },
196 { SFE_MAT5_ZERO_CHANNELS , "Error in MAT5 file. Channel count is zero." },
198 { SFE_PVF_NO_PVF1 , "Error in PVF file. No PVF1 marker." },
199 { SFE_PVF_BAD_HEADER , "Error in PVF file. Bad header." },
200 { SFE_PVF_BAD_BITWIDTH , "Error in PVF file. Bad bit width." },
202 { SFE_XI_BAD_HEADER , "Error in XI file. Bad header." },
203 { SFE_XI_EXCESS_SAMPLES , "Error in XI file. Excess samples in file." },
204 { SFE_XI_NO_PIPE , "Error : not able to operate on XI files over a pipe." },
206 { SFE_HTK_NO_PIPE , "Error : not able to operate on HTK files over a pipe." },
208 { SFE_SDS_NOT_SDS , "Error : not an SDS file." },
209 { SFE_SDS_BAD_BIT_WIDTH , "Error : bad bit width for SDS file." },
211 { SFE_SD2_FD_DISALLOWED , "Error : cannot open SD2 file without a file name." },
212 { SFE_SD2_BAD_DATA_OFFSET , "Error : bad data offset." },
213 { SFE_SD2_BAD_MAP_OFFSET , "Error : bad map offset." },
214 { SFE_SD2_BAD_DATA_LENGTH , "Error : bad data length." },
215 { SFE_SD2_BAD_MAP_LENGTH , "Error : bad map length." },
216 { SFE_SD2_BAD_RSRC , "Error : bad resource fork." },
217 { SFE_SD2_BAD_SAMPLE_SIZE , "Error : bad sample size." },
219 { SFE_FLAC_BAD_HEADER , "Error : bad flac header." },
220 { SFE_FLAC_NEW_DECODER , "Error : problem while creating flac decoder." },
221 { SFE_FLAC_INIT_DECODER , "Error : problem while initialization of the flac decoder." },
222 { SFE_FLAC_LOST_SYNC , "Error : flac decoder lost sync." },
223 { SFE_FLAC_BAD_SAMPLE_RATE, "Error : flac does not support this sample rate." },
224 { SFE_FLAC_UNKOWN_ERROR , "Error : unkown error in flac decoder." },
226 { SFE_DWVW_BAD_BITWIDTH , "Error : Bad bit width for DWVW encoding. Must be 12, 16 or 24." },
227 { SFE_G72X_NOT_MONO , "Error : G72x encoding does not support more than 1 channel." },
229 { SFE_MAX_ERROR , "Maximum error number." },
230 { SFE_MAX_ERROR + 1 , NULL }
233 /*------------------------------------------------------------------------------
236 static int format_from_extension (SF_PRIVATE *psf) ;
237 static int guess_file_type (SF_PRIVATE *psf) ;
238 static int validate_sfinfo (SF_INFO *sfinfo) ;
239 static int validate_psf (SF_PRIVATE *psf) ;
240 static void save_header_info (SF_PRIVATE *psf) ;
241 static void copy_filename (SF_PRIVATE *psf, const char *path) ;
242 static int psf_close (SF_PRIVATE *psf) ;
243 static int psf_open_file (SF_PRIVATE *psf, int mode, SF_INFO *sfinfo) ;
245 static int try_resource_fork (SF_PRIVATE * psf, int mode) ;
247 /*------------------------------------------------------------------------------
248 ** Private (static) variables.
251 static int sf_errno = 0 ;
252 static char sf_logbuffer [SF_BUFFER_LEN] = { 0 } ;
253 static char sf_syserr [SF_SYSERR_LEN] = { 0 } ;
255 /*------------------------------------------------------------------------------
258 #define VALIDATE_SNDFILE_AND_ASSIGN_PSF(a,b,c) \
260 { sf_errno = SFE_BAD_SNDFILE_PTR ; \
263 (b) = (SF_PRIVATE*) (a) ; \
264 if ((b)->virtual_io == SF_FALSE && \
265 psf_file_valid (b) == 0) \
266 { (b)->error = SFE_BAD_FILE_PTR ; \
269 if ((b)->Magick != SNDFILE_MAGICK) \
270 { (b)->error = SFE_BAD_SNDFILE_PTR ; \
273 if (c) (b)->error = 0 ; \
276 /*------------------------------------------------------------------------------
281 sf_open (const char *path, int mode, SF_INFO *sfinfo)
285 if ((psf = calloc (1, sizeof (SF_PRIVATE))) == NULL)
286 { sf_errno = SFE_MALLOC_FAILED ;
290 memset (psf, 0, sizeof (SF_PRIVATE)) ;
291 psf_init_files (psf) ;
293 psf_log_printf (psf, "File : %s\n", path) ;
295 copy_filename (psf, path) ;
297 if (strcmp (path, "-") == 0)
298 error = psf_set_stdio (psf, mode) ;
300 error = psf_fopen (psf, path, mode) ;
303 error = psf_open_file (psf, mode, sfinfo) ;
307 if (error == SFE_SYSTEM)
308 LSF_SNPRINTF (sf_syserr, sizeof (sf_syserr), "%s", psf->syserr) ;
309 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
314 memcpy (sfinfo, &(psf->sf), sizeof (SF_INFO)) ;
316 return (SNDFILE*) psf ;
320 sf_open_fd (int fd, int mode, SF_INFO *sfinfo, int close_desc)
324 if ((sfinfo->format & SF_FORMAT_TYPEMASK) == SF_FORMAT_SD2)
325 { sf_errno = SFE_SD2_FD_DISALLOWED ;
329 if ((psf = calloc (1, sizeof (SF_PRIVATE))) == NULL)
330 { sf_errno = SFE_MALLOC_FAILED ;
334 psf_init_files (psf) ;
336 psf_set_file (psf, fd) ;
337 psf->is_pipe = psf_is_pipe (psf) ;
338 psf->fileoffset = psf_ftell (psf) ;
341 psf->do_not_close_descriptor = SF_TRUE ;
343 error = psf_open_file (psf, mode, sfinfo) ;
347 if (error == SFE_SYSTEM)
348 LSF_SNPRINTF (sf_syserr, sizeof (sf_syserr), "%s", psf->syserr) ;
349 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
354 memcpy (sfinfo, &(psf->sf), sizeof (SF_INFO)) ;
356 return (SNDFILE*) psf ;
360 sf_open_virtual (SF_VIRTUAL_IO *sfvirtual, int mode, SF_INFO *sfinfo, void *user_data)
364 /* Make sure we have a valid set ot virtual pointers. */
365 if (sfvirtual->get_filelen == NULL || sfvirtual->seek == NULL || sfvirtual->tell == NULL)
366 { sf_errno = SFE_BAD_VIRTUAL_IO ;
367 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "Bad vio_get_filelen / vio_seek / vio_tell in SF_VIRTUAL_IO struct.\n") ;
371 if ((mode == SFM_READ || mode == SFM_RDWR) && sfvirtual->read == NULL)
372 { sf_errno = SFE_BAD_VIRTUAL_IO ;
373 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "Bad vio_read in SF_VIRTUAL_IO struct.\n") ;
377 if ((mode == SFM_WRITE || mode == SFM_RDWR) && sfvirtual->write == NULL)
378 { sf_errno = SFE_BAD_VIRTUAL_IO ;
379 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "Bad vio_write in SF_VIRTUAL_IO struct.\n") ;
383 if ((psf = calloc (1, sizeof (SF_PRIVATE))) == NULL)
384 { sf_errno = SFE_MALLOC_FAILED ;
388 psf_init_files (psf) ;
390 psf->virtual_io = SF_TRUE ;
391 psf->vio = *sfvirtual ;
392 psf->vio_user_data = user_data ;
396 error = psf_open_file (psf, mode, sfinfo) ;
400 if (error == SFE_SYSTEM)
401 LSF_SNPRINTF (sf_syserr, sizeof (sf_syserr), "%s", psf->syserr) ;
402 LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
407 memcpy (sfinfo, &(psf->sf), sizeof (SF_INFO)) ;
409 return (SNDFILE*) psf ;
410 } /* sf_open_virtual */
413 sf_close (SNDFILE *sndfile)
416 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
418 return psf_close (psf) ;
422 sf_write_sync (SNDFILE *sndfile)
425 if ((psf = (SF_PRIVATE *) sndfile) == NULL)
431 } /* sf_write_sync */
433 /*==============================================================================
437 sf_error_number (int errnum)
438 { static const char *bad_errnum =
439 "No error defined for this error number. This is a bug in libsndfile." ;
442 if (errnum == SFE_MAX_ERROR)
443 return SndfileErrors [0].str ;
445 if (errnum < 0 || errnum > SFE_MAX_ERROR)
446 { /* This really shouldn't happen in release versions. */
447 printf ("Not a valid error number (%d).\n", errnum) ;
451 for (k = 0 ; SndfileErrors [k].str ; k++)
452 if (errnum == SndfileErrors [k].error)
453 return SndfileErrors [k].str ;
456 } /* sf_error_number */
459 sf_strerror (SNDFILE *sndfile)
460 { SF_PRIVATE *psf = NULL ;
464 { errnum = sf_errno ;
465 if (errnum == SFE_SYSTEM && sf_syserr [0])
469 { psf = (SF_PRIVATE *) sndfile ;
471 if (psf->Magick != SNDFILE_MAGICK)
472 return "sf_strerror : Bad magic number." ;
474 errnum = psf->error ;
476 if (errnum == SFE_SYSTEM && psf->syserr [0])
480 return sf_error_number (errnum) ;
483 /*------------------------------------------------------------------------------
487 sf_error (SNDFILE *sndfile)
496 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
504 /*------------------------------------------------------------------------------
508 sf_perror (SNDFILE *sndfile)
513 { errnum = sf_errno ;
516 { VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
517 errnum = psf->error ;
520 fprintf (stderr, "%s\n", sf_error_number (errnum)) ;
521 return SFE_NO_ERROR ;
525 /*------------------------------------------------------------------------------
529 sf_error_str (SNDFILE *sndfile, char *str, size_t maxlen)
534 return SFE_INTERNAL ;
539 { VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 0) ;
540 errnum = psf->error ;
543 LSF_SNPRINTF (str, maxlen, "%s", sf_error_number (errnum)) ;
545 return SFE_NO_ERROR ;
548 /*==============================================================================
552 sf_format_check (const SF_INFO *info)
553 { int subformat, endian ;
555 subformat = info->format & SF_FORMAT_SUBMASK ;
556 endian = info->format & SF_FORMAT_ENDMASK ;
558 /* This is the place where each file format can check if the suppiled
559 ** SF_INFO struct is valid.
560 ** Return 0 on failure, 1 ons success.
563 if (info->channels < 1 || info->channels > 256)
566 if (info->samplerate < 0)
569 switch (info->format & SF_FORMAT_TYPEMASK)
570 { case SF_FORMAT_WAV :
571 case SF_FORMAT_WAVEX :
572 /* WAV now allows both endian, RIFF or RIFX (little or big respectively) */
573 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
575 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
577 if ((subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) && info->channels <= 2)
579 if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
581 if (subformat == SF_FORMAT_G721_32 && info->channels == 1)
583 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
585 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
589 case SF_FORMAT_AIFF :
590 /* AIFF does allow both endian-nesses for PCM data.*/
591 if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
593 /* Other encodings. Check for endian-ness. */
594 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
596 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8)
598 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
600 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
602 if ((subformat == SF_FORMAT_DWVW_12 || subformat == SF_FORMAT_DWVW_16 ||
603 subformat == SF_FORMAT_DWVW_24) && info-> channels == 1)
605 if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
607 if (subformat == SF_FORMAT_IMA_ADPCM && (info->channels == 1 || info->channels == 2))
612 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
614 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
616 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
618 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
620 if (subformat == SF_FORMAT_G721_32 && info->channels == 1)
622 if (subformat == SF_FORMAT_G723_24 && info->channels == 1)
624 if (subformat == SF_FORMAT_G723_40 && info->channels == 1)
629 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
631 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
633 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
635 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
640 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
642 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
644 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
646 if (subformat == SF_FORMAT_ALAW || subformat == SF_FORMAT_ULAW)
648 if ((subformat == SF_FORMAT_DWVW_12 || subformat == SF_FORMAT_DWVW_16 ||
649 subformat == SF_FORMAT_DWVW_24) && info-> channels == 1)
651 if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
653 if (subformat == SF_FORMAT_VOX_ADPCM && info->channels == 1)
658 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
660 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
665 /* SVX currently does not support more than one channel for write.
666 ** Read will allow more than one channel but only allow one here.
668 if (info->channels != 1)
670 /* Always big endian. */
671 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
674 if ((subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16) && info->channels == 1)
678 case SF_FORMAT_NIST :
679 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
681 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
683 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
687 case SF_FORMAT_IRCAM :
688 if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
690 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW || subformat == SF_FORMAT_FLOAT)
695 /* VOC is strictly little endian. */
696 if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
698 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
700 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
705 /* W64 is strictly little endian. */
706 if (endian == SF_ENDIAN_BIG || endian == SF_ENDIAN_CPU)
708 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16)
710 if (subformat == SF_FORMAT_PCM_24 || subformat == SF_FORMAT_PCM_32)
712 if ((subformat == SF_FORMAT_IMA_ADPCM || subformat == SF_FORMAT_MS_ADPCM) && info->channels <= 2)
714 if (subformat == SF_FORMAT_GSM610 && info->channels == 1)
716 if (subformat == SF_FORMAT_ULAW || subformat == SF_FORMAT_ALAW)
718 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
722 case SF_FORMAT_MAT4 :
723 if (subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
725 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
729 case SF_FORMAT_MAT5 :
730 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
732 if (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)
737 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_32)
742 if (info->channels != 1)
744 if (subformat == SF_FORMAT_DPCM_8 || subformat == SF_FORMAT_DPCM_16)
749 /* HTK is strictly big endian. */
750 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
752 if (info->channels != 1)
754 if (subformat == SF_FORMAT_PCM_16)
759 /* SDS is strictly big endian. */
760 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
762 if (info->channels != 1)
764 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
769 /* SDS is strictly big endian. */
770 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
772 if (info->channels > 2)
774 if (subformat == SF_FORMAT_PCM_U8 || subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16)
778 case SF_FORMAT_FLAC :
779 /* FLAC can't do more than 8 channels. */
780 if (info->channels > 8)
782 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
787 /* SD2 is strictly big endian. */
788 if (endian == SF_ENDIAN_LITTLE || endian == SF_ENDIAN_CPU)
790 if (subformat == SF_FORMAT_PCM_S8 || subformat == SF_FORMAT_PCM_16 || subformat == SF_FORMAT_PCM_24)
798 } /* sf_format_check */
800 /*------------------------------------------------------------------------------
804 sf_command (SNDFILE *sndfile, int command, void *data, int datasize)
805 { SF_PRIVATE *psf = NULL ;
808 /* This set of commands do not need the sndfile parameter. */
810 { case SFC_GET_LIB_VERSION :
812 return (psf->error = SFE_BAD_CONTROL_CMD) ;
813 if (ENABLE_EXPERIMENTAL_CODE)
814 LSF_SNPRINTF (data, datasize, "%s-%s-exp", PACKAGE_NAME, PACKAGE_VERSION) ;
816 LSF_SNPRINTF (data, datasize, "%s-%s", PACKAGE_NAME, PACKAGE_VERSION) ;
817 return strlen (data) ;
819 case SFC_GET_SIMPLE_FORMAT_COUNT :
820 if (data == NULL || datasize != SIGNED_SIZEOF (int))
821 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
822 *((int*) data) = psf_get_format_simple_count () ;
825 case SFC_GET_SIMPLE_FORMAT :
826 if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
827 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
828 return psf_get_format_simple (data) ;
830 case SFC_GET_FORMAT_MAJOR_COUNT :
831 if (data == NULL || datasize != SIGNED_SIZEOF (int))
832 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
833 *((int*) data) = psf_get_format_major_count () ;
836 case SFC_GET_FORMAT_MAJOR :
837 if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
838 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
839 return psf_get_format_major (data) ;
841 case SFC_GET_FORMAT_SUBTYPE_COUNT :
842 if (data == NULL || datasize != SIGNED_SIZEOF (int))
843 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
844 *((int*) data) = psf_get_format_subtype_count () ;
847 case SFC_GET_FORMAT_SUBTYPE :
848 if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
849 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
850 return psf_get_format_subtype (data) ;
852 case SFC_GET_FORMAT_INFO :
853 if (data == NULL || datasize != SIGNED_SIZEOF (SF_FORMAT_INFO))
854 return (sf_errno = SFE_BAD_CONTROL_CMD) ;
855 return psf_get_format_info (data) ;
858 if (sndfile == NULL && command == SFC_GET_LOG_INFO)
860 return (psf->error = SFE_BAD_CONTROL_CMD) ;
861 LSF_SNPRINTF (data, datasize, "%s", sf_logbuffer) ;
862 return strlen (data) ;
865 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
868 { case SFC_SET_NORM_FLOAT :
869 old_value = psf->norm_float ;
870 psf->norm_float = (datasize) ? SF_TRUE : SF_FALSE ;
873 case SFC_SET_NORM_DOUBLE :
874 old_value = psf->norm_double ;
875 psf->norm_double = (datasize) ? SF_TRUE : SF_FALSE ;
878 case SFC_GET_NORM_FLOAT :
879 return psf->norm_float ;
881 case SFC_GET_NORM_DOUBLE :
882 return psf->norm_double ;
884 case SFC_SET_SCALE_FLOAT_INT_READ :
885 old_value = psf->float_int_mult ;
887 psf->float_int_mult = (datasize != 0) ? SF_TRUE : SF_FALSE ;
888 if (psf->float_int_mult && psf->float_max < 0.0)
889 psf->float_max = psf_calc_signal_max (psf, SF_FALSE) ;
892 case SFC_SET_ADD_PEAK_CHUNK :
893 { int format = psf->sf.format & SF_FORMAT_TYPEMASK ;
895 /* Only WAV and AIFF support the PEAK chunk. */
896 if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX && format != SF_FORMAT_AIFF)
899 format = psf->sf.format & SF_FORMAT_SUBMASK ;
901 /* Only files containg the following data types support the PEAK chunk. */
902 if (format != SF_FORMAT_FLOAT && format != SF_FORMAT_DOUBLE)
906 /* Can only do this is in SFM_WRITE mode. */
907 if (psf->mode != SFM_WRITE)
909 /* If data has already been written this must fail. */
910 if (psf->have_written)
912 /* Everything seems OK, so set psf->has_peak and re-write header. */
913 if (datasize == SF_FALSE && psf->peak_info != NULL)
914 { free (psf->peak_info) ;
915 psf->peak_info = NULL ;
917 else if (psf->peak_info == NULL)
918 { psf->peak_info = peak_info_calloc (psf->sf.channels) ;
919 psf->peak_info->peak_loc = SF_PEAK_START ;
922 if (psf->write_header)
923 psf->write_header (psf, SF_TRUE) ;
926 case SFC_GET_LOG_INFO :
928 return (psf->error = SFE_BAD_CONTROL_CMD) ;
929 LSF_SNPRINTF (data, datasize, "%s", psf->logbuffer) ;
932 case SFC_CALC_SIGNAL_MAX :
933 if (data == NULL || datasize != sizeof (double))
934 return (psf->error = SFE_BAD_CONTROL_CMD) ;
935 *((double*) data) = psf_calc_signal_max (psf, SF_FALSE) ;
938 case SFC_CALC_NORM_SIGNAL_MAX :
939 if (data == NULL || datasize != sizeof (double))
940 return (psf->error = SFE_BAD_CONTROL_CMD) ;
941 *((double*) data) = psf_calc_signal_max (psf, SF_TRUE) ;
944 case SFC_CALC_MAX_ALL_CHANNELS :
945 if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
946 return (psf->error = SFE_BAD_CONTROL_CMD) ;
947 return psf_calc_max_all_channels (psf, (double*) data, SF_FALSE) ;
949 case SFC_CALC_NORM_MAX_ALL_CHANNELS :
950 if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
951 return (psf->error = SFE_BAD_CONTROL_CMD) ;
952 return psf_calc_max_all_channels (psf, (double*) data, SF_TRUE) ;
954 case SFC_GET_SIGNAL_MAX :
955 if (data == NULL || datasize != sizeof (double))
956 { psf->error = SFE_BAD_CONTROL_CMD ;
959 return psf_get_signal_max (psf, (double *) data) ;
961 case SFC_GET_MAX_ALL_CHANNELS :
962 if (data == NULL || datasize != SIGNED_SIZEOF (double) * psf->sf.channels)
963 { psf->error = SFE_BAD_CONTROL_CMD ;
966 return psf_get_max_all_channels (psf, (double*) data) ;
968 case SFC_UPDATE_HEADER_NOW :
969 if (psf->write_header)
970 psf->write_header (psf, SF_TRUE) ;
973 case SFC_SET_UPDATE_HEADER_AUTO :
974 psf->auto_header = datasize ? SF_TRUE : SF_FALSE ;
975 return psf->auto_header ;
978 case SFC_SET_ADD_DITHER_ON_WRITE :
979 case SFC_SET_ADD_DITHER_ON_READ :
982 ** These are obsolete. Just return.
983 ** Remove some time after version 1.0.8.
987 case SFC_SET_DITHER_ON_WRITE :
988 if (data == NULL || datasize != SIGNED_SIZEOF (SF_DITHER_INFO))
989 return (psf->error = SFE_BAD_CONTROL_CMD) ;
990 memcpy (&psf->write_dither, data, sizeof (psf->write_dither)) ;
991 if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
992 dither_init (psf, SFM_WRITE) ;
995 case SFC_SET_DITHER_ON_READ :
996 if (data == NULL || datasize != SIGNED_SIZEOF (SF_DITHER_INFO))
997 return (psf->error = SFE_BAD_CONTROL_CMD) ;
998 memcpy (&psf->read_dither, data, sizeof (psf->read_dither)) ;
999 if (psf->mode == SFM_READ || psf->mode == SFM_RDWR)
1000 dither_init (psf, SFM_READ) ;
1003 case SFC_FILE_TRUNCATE :
1004 if (psf->mode != SFM_WRITE && psf->mode != SFM_RDWR)
1006 if (datasize != sizeof (sf_count_t))
1008 { sf_count_t position ;
1010 position = *((sf_count_t*) data) ;
1012 if (sf_seek (sndfile, position, SEEK_SET) != position)
1015 psf->sf.frames = position ;
1017 position = psf_fseek (psf, 0, SEEK_CUR) ;
1019 return psf_ftruncate (psf, position) ;
1023 case SFC_SET_RAW_START_OFFSET :
1024 if (data == NULL || datasize != sizeof (sf_count_t))
1025 return (psf->error = SFE_BAD_CONTROL_CMD) ;
1026 if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
1027 return (psf->error = SFE_BAD_CONTROL_CMD) ;
1029 psf->dataoffset = *((sf_count_t*) data) ;
1030 sf_seek (sndfile, 0, SEEK_CUR) ;
1033 case SFC_GET_EMBED_FILE_INFO :
1034 if (data == NULL || datasize != sizeof (SF_EMBED_FILE_INFO))
1035 return (psf->error = SFE_BAD_CONTROL_CMD) ;
1037 ((SF_EMBED_FILE_INFO*) data)->offset = psf->fileoffset ;
1038 ((SF_EMBED_FILE_INFO*) data)->length = psf->filelength ;
1041 /* Lite remove start */
1042 case SFC_TEST_IEEE_FLOAT_REPLACE :
1043 psf->ieee_replace = (datasize) ? SF_TRUE : SF_FALSE ;
1044 if ((psf->sf.format & SF_FORMAT_SUBMASK) == SF_FORMAT_FLOAT)
1045 float32_init (psf) ;
1046 else if ((psf->sf.format & SF_FORMAT_SUBMASK) == SF_FORMAT_DOUBLE)
1047 double64_init (psf) ;
1049 return (psf->error = SFE_BAD_CONTROL_CMD) ;
1051 /* Lite remove end */
1053 case SFC_SET_CLIPPING :
1054 psf->add_clipping = (datasize) ? SF_TRUE : SF_FALSE ;
1055 return psf->add_clipping ;
1057 case SFC_GET_CLIPPING :
1058 return psf->add_clipping ;
1060 case SFC_GET_LOOP_INFO :
1061 if (datasize != sizeof (SF_LOOP_INFO) || data == NULL)
1063 if (psf->loop_info == NULL)
1065 memcpy (data, psf->loop_info, sizeof (SF_LOOP_INFO)) ;
1068 case SFC_SET_BROADCAST_INFO :
1069 { int format = psf->sf.format & SF_FORMAT_TYPEMASK ;
1071 /* Only WAV supports the BEXT (Broadcast) chunk. */
1072 if (format != SF_FORMAT_WAV && format != SF_FORMAT_WAVEX)
1076 /* Can only do this is in SFM_RDWR or SFM_WRITE modes. */
1077 if (psf->mode == SFM_READ)
1080 /* If data has already been written this must fail. */
1081 if (psf->broadcast_info == NULL && psf->have_written)
1084 if (psf->broadcast_info == NULL)
1085 psf->broadcast_info = broadcast_info_alloc () ;
1087 broadcast_info_copy (psf->broadcast_info, data) ;
1088 broadcast_add_coding_history (psf->broadcast_info, psf->sf.channels, psf->sf.samplerate) ;
1090 if (psf->write_header)
1091 psf->write_header (psf, SF_TRUE) ;
1094 case SFC_GET_BROADCAST_INFO :
1095 if (datasize != sizeof (SF_BROADCAST_INFO) || data == NULL)
1097 if (psf->broadcast_info == NULL)
1099 return broadcast_info_copy (data, psf->broadcast_info) ;
1101 case SFC_GET_INSTRUMENT :
1102 if (datasize != sizeof (SF_INSTRUMENT) || data == NULL)
1104 if (psf->instrument == NULL)
1106 memcpy (data, psf->instrument, sizeof (SF_INSTRUMENT)) ;
1109 case SFC_SET_INSTRUMENT :
1110 /* If data has already been written this must fail. */
1111 if (psf->have_written)
1113 if (datasize != sizeof (SF_INSTRUMENT) || data == NULL)
1115 if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL)
1116 { psf->error = SFE_MALLOC_FAILED ;
1119 memcpy (psf->instrument, data, sizeof (SF_INSTRUMENT)) ;
1123 /* Must be a file specific command. Pass it on. */
1125 return psf->command (psf, command, data, datasize) ;
1127 psf_log_printf (psf, "*** sf_command : cmd = 0x%X\n", command) ;
1128 return (psf->error = SFE_BAD_CONTROL_CMD) ;
1134 /*------------------------------------------------------------------------------
1138 sf_seek (SNDFILE *sndfile, sf_count_t offset, int whence)
1140 sf_count_t seek_from_start = 0, retval ;
1142 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1144 if (! psf->sf.seekable)
1145 { psf->error = SFE_NOT_SEEKABLE ;
1146 return PSF_SEEK_ERROR ;
1149 /* If the whence parameter has a mode ORed in, check to see that
1152 if (((whence & SFM_MASK) == SFM_WRITE && psf->mode == SFM_READ) ||
1153 ((whence & SFM_MASK) == SFM_WRITE && psf->mode == SFM_WRITE))
1154 { psf->error = SFE_WRONG_SEEK ;
1155 return PSF_SEEK_ERROR ;
1158 /* Convert all SEEK_CUR and SEEK_END into seek_from_start to be
1159 ** used with SEEK_SET.
1162 { /* The SEEK_SET behaviour is independant of mode. */
1164 case SEEK_SET | SFM_READ :
1165 case SEEK_SET | SFM_WRITE :
1166 case SEEK_SET | SFM_RDWR :
1167 seek_from_start = offset ;
1170 /* The SEEK_CUR is a little more tricky. */
1173 { if (psf->mode == SFM_READ)
1174 return psf->read_current ;
1175 if (psf->mode == SFM_WRITE)
1176 return psf->write_current ;
1178 if (psf->mode == SFM_READ)
1179 seek_from_start = psf->read_current + offset ;
1180 else if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
1181 seek_from_start = psf->write_current + offset ;
1183 psf->error = SFE_AMBIGUOUS_SEEK ;
1186 case SEEK_CUR | SFM_READ :
1188 return psf->read_current ;
1189 seek_from_start = psf->read_current + offset ;
1192 case SEEK_CUR | SFM_WRITE :
1194 return psf->write_current ;
1195 seek_from_start = psf->write_current + offset ;
1200 case SEEK_END | SFM_READ :
1201 case SEEK_END | SFM_WRITE :
1202 seek_from_start = psf->sf.frames + offset ;
1206 psf->error = SFE_BAD_SEEK ;
1211 return PSF_SEEK_ERROR ;
1213 if (seek_from_start < 0 || seek_from_start > psf->sf.frames)
1214 { psf->error = SFE_BAD_SEEK ;
1215 return PSF_SEEK_ERROR ;
1219 { int new_mode = (whence & SFM_MASK) ? (whence & SFM_MASK) : psf->mode ;
1221 retval = psf->seek (psf, new_mode, seek_from_start) ;
1225 psf->read_current = retval ;
1228 psf->write_current = retval ;
1231 psf->read_current = retval ;
1232 psf->write_current = retval ;
1233 new_mode = SFM_READ ;
1237 psf->last_op = new_mode ;
1242 psf->error = SFE_AMBIGUOUS_SEEK ;
1243 return PSF_SEEK_ERROR ;
1246 /*------------------------------------------------------------------------------
1250 sf_get_string (SNDFILE *sndfile, int str_type)
1253 if ((psf = (SF_PRIVATE*) sndfile) == NULL)
1255 if (psf->Magick != SNDFILE_MAGICK)
1258 return psf_get_string (psf, str_type) ;
1259 } /* sf_get_string */
1262 sf_set_string (SNDFILE *sndfile, int str_type, const char* str)
1265 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1267 return psf_set_string (psf, str_type, str) ;
1268 } /* sf_get_string */
1270 /*==============================================================================
1274 sf_read_raw (SNDFILE *sndfile, void *ptr, sf_count_t bytes)
1277 int bytewidth, blockwidth ;
1279 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1281 bytewidth = (psf->bytewidth > 0) ? psf->bytewidth : 1 ;
1282 blockwidth = (psf->blockwidth > 0) ? psf->blockwidth : 1 ;
1284 if (psf->mode == SFM_WRITE)
1285 { psf->error = SFE_NOT_READMODE ;
1289 if (bytes < 0 || psf->read_current >= psf->datalength)
1290 { psf_memset (ptr, 0, bytes) ;
1294 if (bytes % (psf->sf.channels * bytewidth))
1295 { psf->error = SFE_BAD_READ_ALIGN ;
1299 count = psf_fread (ptr, 1, bytes, psf) ;
1302 psf_memset (((char*) ptr) + count, 0, bytes - count) ;
1304 psf->read_current += count / blockwidth ;
1306 psf->last_op = SFM_READ ;
1311 /*------------------------------------------------------------------------------
1315 sf_read_short (SNDFILE *sndfile, short *ptr, sf_count_t len)
1317 sf_count_t count, extra ;
1319 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1321 if (psf->mode == SFM_WRITE)
1322 { psf->error = SFE_NOT_READMODE ;
1326 if (len % psf->sf.channels)
1327 { psf->error = SFE_BAD_READ_ALIGN ;
1331 if (len <= 0 || psf->read_current >= psf->sf.frames)
1332 { psf_memset (ptr, 0, len * sizeof (short)) ;
1333 return 0 ; /* End of file. */
1336 if (! psf->read_short || psf->seek == NULL)
1337 { psf->error = SFE_UNIMPLEMENTED ;
1341 if (psf->last_op != SFM_READ)
1342 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1345 count = psf->read_short (psf, ptr, len) ;
1347 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1348 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1349 extra = len - count ;
1350 psf_memset (ptr + count, 0, extra * sizeof (short)) ;
1351 psf->read_current = psf->sf.frames ;
1354 psf->read_current += count / psf->sf.channels ;
1356 psf->last_op = SFM_READ ;
1358 if (psf->read_current > psf->sf.frames)
1359 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1360 psf->read_current = psf->sf.frames ;
1364 } /* sf_read_short */
1367 sf_readf_short (SNDFILE *sndfile, short *ptr, sf_count_t frames)
1369 sf_count_t count, extra ;
1371 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1373 if (psf->mode == SFM_WRITE)
1374 { psf->error = SFE_NOT_READMODE ;
1378 if (frames <= 0 || psf->read_current >= psf->sf.frames)
1379 { psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (short)) ;
1380 return 0 ; /* End of file. */
1383 if (! psf->read_short || psf->seek == NULL)
1384 { psf->error = SFE_UNIMPLEMENTED ;
1388 if (psf->last_op != SFM_READ)
1389 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1392 count = psf->read_short (psf, ptr, frames * psf->sf.channels) ;
1394 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1395 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1396 extra = frames * psf->sf.channels - count ;
1397 psf_memset (ptr + count, 0, extra * sizeof (short)) ;
1398 psf->read_current = psf->sf.frames ;
1401 psf->read_current += count / psf->sf.channels ;
1403 psf->last_op = SFM_READ ;
1405 if (psf->read_current > psf->sf.frames)
1406 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1407 psf->read_current = psf->sf.frames ;
1410 return count / psf->sf.channels ;
1411 } /* sf_readf_short */
1413 /*------------------------------------------------------------------------------
1417 sf_read_int (SNDFILE *sndfile, int *ptr, sf_count_t len)
1419 sf_count_t count, extra ;
1421 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1423 if (psf->mode == SFM_WRITE)
1424 { psf->error = SFE_NOT_READMODE ;
1428 if (len % psf->sf.channels)
1429 { psf->error = SFE_BAD_READ_ALIGN ;
1433 if (len <= 0 || psf->read_current >= psf->sf.frames)
1434 { psf_memset (ptr, 0, len * sizeof (int)) ;
1438 if (! psf->read_int || psf->seek == NULL)
1439 { psf->error = SFE_UNIMPLEMENTED ;
1443 if (psf->last_op != SFM_READ)
1444 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1447 count = psf->read_int (psf, ptr, len) ;
1449 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1450 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1451 extra = len - count ;
1452 psf_memset (ptr + count, 0, extra * sizeof (int)) ;
1453 psf->read_current = psf->sf.frames ;
1456 psf->read_current += count / psf->sf.channels ;
1458 psf->last_op = SFM_READ ;
1460 if (psf->read_current > psf->sf.frames)
1461 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1462 psf->read_current = psf->sf.frames ;
1469 sf_readf_int (SNDFILE *sndfile, int *ptr, sf_count_t frames)
1471 sf_count_t count, extra ;
1473 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1475 if (psf->mode == SFM_WRITE)
1476 { psf->error = SFE_NOT_READMODE ;
1480 if (frames <= 0 || psf->read_current >= psf->sf.frames)
1481 { psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (int)) ;
1485 if (! psf->read_int || psf->seek == NULL)
1486 { psf->error = SFE_UNIMPLEMENTED ;
1490 if (psf->last_op != SFM_READ)
1491 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1494 count = psf->read_int (psf, ptr, frames * psf->sf.channels) ;
1496 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1497 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1498 extra = frames * psf->sf.channels - count ;
1499 psf_memset (ptr + count, 0, extra * sizeof (int)) ;
1500 psf->read_current = psf->sf.frames ;
1503 psf->read_current += count / psf->sf.channels ;
1505 psf->last_op = SFM_READ ;
1507 if (psf->read_current > psf->sf.frames)
1508 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1509 psf->read_current = psf->sf.frames ;
1512 return count / psf->sf.channels ;
1513 } /* sf_readf_int */
1515 /*------------------------------------------------------------------------------
1519 sf_read_float (SNDFILE *sndfile, float *ptr, sf_count_t len)
1521 sf_count_t count, extra ;
1523 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1525 if (psf->mode == SFM_WRITE)
1526 { psf->error = SFE_NOT_READMODE ;
1530 if (len % psf->sf.channels)
1531 { psf->error = SFE_BAD_READ_ALIGN ;
1535 if (len <= 0 || psf->read_current >= psf->sf.frames)
1536 { psf_memset (ptr, 0, len * sizeof (float)) ;
1540 if (! psf->read_float || psf->seek == NULL)
1541 { psf->error = SFE_UNIMPLEMENTED ;
1545 if (psf->last_op != SFM_READ)
1546 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1549 count = psf->read_float (psf, ptr, len) ;
1551 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1552 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1553 extra = len - count ;
1554 psf_memset (ptr + count, 0, extra * sizeof (float)) ;
1555 psf->read_current = psf->sf.frames ;
1558 psf->read_current += count / psf->sf.channels ;
1560 psf->last_op = SFM_READ ;
1562 if (psf->read_current > psf->sf.frames)
1563 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1564 psf->read_current = psf->sf.frames ;
1568 } /* sf_read_float */
1571 sf_readf_float (SNDFILE *sndfile, float *ptr, sf_count_t frames)
1573 sf_count_t count, extra ;
1575 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1577 if (psf->mode == SFM_WRITE)
1578 { psf->error = SFE_NOT_READMODE ;
1582 if (frames <= 0 || psf->read_current >= psf->sf.frames)
1583 { psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (float)) ;
1587 if (! psf->read_float || psf->seek == NULL)
1588 { psf->error = SFE_UNIMPLEMENTED ;
1592 if (psf->last_op != SFM_READ)
1593 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1596 count = psf->read_float (psf, ptr, frames * psf->sf.channels) ;
1598 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1599 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1600 extra = frames * psf->sf.channels - count ;
1601 psf_memset (ptr + count, 0, extra * sizeof (float)) ;
1602 psf->read_current = psf->sf.frames ;
1605 psf->read_current += count / psf->sf.channels ;
1607 psf->last_op = SFM_READ ;
1609 if (psf->read_current > psf->sf.frames)
1610 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1611 psf->read_current = psf->sf.frames ;
1614 return count / psf->sf.channels ;
1615 } /* sf_readf_float */
1617 /*------------------------------------------------------------------------------
1621 sf_read_double (SNDFILE *sndfile, double *ptr, sf_count_t len)
1623 sf_count_t count, extra ;
1625 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1627 if (psf->mode == SFM_WRITE)
1628 { psf->error = SFE_NOT_READMODE ;
1632 if (len % psf->sf.channels)
1633 { psf->error = SFE_BAD_READ_ALIGN ;
1637 if (len <= 0 || psf->read_current >= psf->sf.frames)
1638 { psf_memset (ptr, 0, len * sizeof (double)) ;
1642 if (! psf->read_double || psf->seek == NULL)
1643 { psf->error = SFE_UNIMPLEMENTED ;
1647 if (psf->last_op != SFM_READ)
1648 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1651 count = psf->read_double (psf, ptr, len) ;
1653 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1654 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1655 extra = len - count ;
1656 psf_memset (ptr + count, 0, extra * sizeof (double)) ;
1657 psf->read_current = psf->sf.frames ;
1660 psf->read_current += count / psf->sf.channels ;
1662 psf->last_op = SFM_READ ;
1664 if (psf->read_current > psf->sf.frames)
1665 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1666 psf->read_current = psf->sf.frames ;
1670 } /* sf_read_double */
1673 sf_readf_double (SNDFILE *sndfile, double *ptr, sf_count_t frames)
1675 sf_count_t count, extra ;
1677 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1679 if (psf->mode == SFM_WRITE)
1680 { psf->error = SFE_NOT_READMODE ;
1684 if (frames <= 0 || psf->read_current >= psf->sf.frames)
1685 { psf_memset (ptr, 0, frames * psf->sf.channels * sizeof (double)) ;
1689 if (! psf->read_double || psf->seek == NULL)
1690 { psf->error = SFE_UNIMPLEMENTED ;
1694 if (psf->last_op != SFM_READ)
1695 if (psf->seek (psf, SFM_READ, psf->read_current) < 0)
1698 count = psf->read_double (psf, ptr, frames * psf->sf.channels) ;
1700 if (psf->read_current + count / psf->sf.channels > psf->sf.frames)
1701 { count = (psf->sf.frames - psf->read_current) * psf->sf.channels ;
1702 extra = frames * psf->sf.channels - count ;
1703 psf_memset (ptr + count, 0, extra * sizeof (double)) ;
1704 psf->read_current = psf->sf.frames ;
1707 psf->read_current += count / psf->sf.channels ;
1709 psf->last_op = SFM_READ ;
1711 if (psf->read_current > psf->sf.frames)
1712 { count = psf->sf.channels * (psf->read_current - psf->sf.frames) ;
1713 psf->read_current = psf->sf.frames ;
1716 return count / psf->sf.channels ;
1717 } /* sf_readf_double */
1719 /*------------------------------------------------------------------------------
1723 sf_write_raw (SNDFILE *sndfile, const void *ptr, sf_count_t len)
1726 int bytewidth, blockwidth ;
1728 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1730 bytewidth = (psf->bytewidth > 0) ? psf->bytewidth : 1 ;
1731 blockwidth = (psf->blockwidth > 0) ? psf->blockwidth : 1 ;
1733 if (psf->mode == SFM_READ)
1734 { psf->error = SFE_NOT_WRITEMODE ;
1738 if (len % (psf->sf.channels * bytewidth))
1739 { psf->error = SFE_BAD_WRITE_ALIGN ;
1743 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1744 psf->write_header (psf, SF_FALSE) ;
1745 psf->have_written = SF_TRUE ;
1747 count = psf_fwrite (ptr, 1, len, psf) ;
1749 psf->write_current += count / blockwidth ;
1751 if (psf->write_current > psf->sf.frames)
1752 psf->sf.frames = psf->write_current ;
1754 psf->last_op = SFM_WRITE ;
1757 } /* sf_write_raw */
1759 /*------------------------------------------------------------------------------
1763 sf_write_short (SNDFILE *sndfile, const short *ptr, sf_count_t len)
1767 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1769 if (psf->mode == SFM_READ)
1770 { psf->error = SFE_NOT_WRITEMODE ;
1774 if (len % psf->sf.channels)
1775 { psf->error = SFE_BAD_WRITE_ALIGN ;
1779 if (! psf->write_short || psf->seek == NULL)
1780 { psf->error = SFE_UNIMPLEMENTED ;
1784 if (psf->last_op != SFM_WRITE)
1785 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
1788 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1789 psf->write_header (psf, SF_FALSE) ;
1790 psf->have_written = SF_TRUE ;
1792 count = psf->write_short (psf, ptr, len) ;
1794 psf->write_current += count / psf->sf.channels ;
1796 psf->last_op = SFM_WRITE ;
1798 if (psf->auto_header && psf->write_header != NULL)
1799 psf->write_header (psf, SF_TRUE) ;
1801 if (psf->write_current > psf->sf.frames)
1802 psf->sf.frames = psf->write_current ;
1805 } /* sf_write_short */
1808 sf_writef_short (SNDFILE *sndfile, const short *ptr, sf_count_t frames)
1812 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1814 if (psf->mode == SFM_READ)
1815 { psf->error = SFE_NOT_WRITEMODE ;
1819 if (! psf->write_short || psf->seek == NULL)
1820 { psf->error = SFE_UNIMPLEMENTED ;
1824 if (psf->last_op != SFM_WRITE)
1825 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
1828 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1829 psf->write_header (psf, SF_FALSE) ;
1830 psf->have_written = SF_TRUE ;
1832 count = psf->write_short (psf, ptr, frames * psf->sf.channels) ;
1834 psf->write_current += count / psf->sf.channels ;
1836 psf->last_op = SFM_WRITE ;
1838 if (psf->auto_header && psf->write_header != NULL)
1839 psf->write_header (psf, SF_TRUE) ;
1841 if (psf->write_current > psf->sf.frames)
1842 psf->sf.frames = psf->write_current ;
1844 return count / psf->sf.channels ;
1845 } /* sf_writef_short */
1847 /*------------------------------------------------------------------------------
1851 sf_write_int (SNDFILE *sndfile, const int *ptr, sf_count_t len)
1855 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1857 if (psf->mode == SFM_READ)
1858 { psf->error = SFE_NOT_WRITEMODE ;
1862 if (len % psf->sf.channels)
1863 { psf->error = SFE_BAD_WRITE_ALIGN ;
1867 if (! psf->write_int || psf->seek == NULL)
1868 { psf->error = SFE_UNIMPLEMENTED ;
1872 if (psf->last_op != SFM_WRITE)
1873 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
1876 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1877 psf->write_header (psf, SF_FALSE) ;
1878 psf->have_written = SF_TRUE ;
1880 count = psf->write_int (psf, ptr, len) ;
1882 psf->write_current += count / psf->sf.channels ;
1884 psf->last_op = SFM_WRITE ;
1886 if (psf->auto_header && psf->write_header != NULL)
1887 psf->write_header (psf, SF_TRUE) ;
1889 if (psf->write_current > psf->sf.frames)
1890 psf->sf.frames = psf->write_current ;
1893 } /* sf_write_int */
1896 sf_writef_int (SNDFILE *sndfile, const int *ptr, sf_count_t frames)
1900 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1902 if (psf->mode == SFM_READ)
1903 { psf->error = SFE_NOT_WRITEMODE ;
1907 if (! psf->write_int || psf->seek == NULL)
1908 { psf->error = SFE_UNIMPLEMENTED ;
1912 if (psf->last_op != SFM_WRITE)
1913 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
1916 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1917 psf->write_header (psf, SF_FALSE) ;
1918 psf->have_written = SF_TRUE ;
1920 count = psf->write_int (psf, ptr, frames * psf->sf.channels) ;
1922 psf->write_current += count / psf->sf.channels ;
1924 psf->last_op = SFM_WRITE ;
1926 if (psf->auto_header && psf->write_header != NULL)
1927 psf->write_header (psf, SF_TRUE) ;
1929 if (psf->write_current > psf->sf.frames)
1930 psf->sf.frames = psf->write_current ;
1932 return count / psf->sf.channels ;
1933 } /* sf_writef_int */
1935 /*------------------------------------------------------------------------------
1939 sf_write_float (SNDFILE *sndfile, const float *ptr, sf_count_t len)
1943 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1945 if (psf->mode == SFM_READ)
1946 { psf->error = SFE_NOT_WRITEMODE ;
1950 if (len % psf->sf.channels)
1951 { psf->error = SFE_BAD_WRITE_ALIGN ;
1955 if (! psf->write_float || psf->seek == NULL)
1956 { psf->error = SFE_UNIMPLEMENTED ;
1960 if (psf->last_op != SFM_WRITE)
1961 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
1964 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
1965 psf->write_header (psf, SF_FALSE) ;
1966 psf->have_written = SF_TRUE ;
1968 count = psf->write_float (psf, ptr, len) ;
1970 psf->write_current += count / psf->sf.channels ;
1972 psf->last_op = SFM_WRITE ;
1974 if (psf->auto_header && psf->write_header != NULL)
1975 psf->write_header (psf, SF_TRUE) ;
1977 if (psf->write_current > psf->sf.frames)
1978 psf->sf.frames = psf->write_current ;
1981 } /* sf_write_float */
1984 sf_writef_float (SNDFILE *sndfile, const float *ptr, sf_count_t frames)
1988 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
1990 if (psf->mode == SFM_READ)
1991 { psf->error = SFE_NOT_WRITEMODE ;
1995 if (! psf->write_float || psf->seek == NULL)
1996 { psf->error = SFE_UNIMPLEMENTED ;
2000 if (psf->last_op != SFM_WRITE)
2001 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
2004 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
2005 psf->write_header (psf, SF_FALSE) ;
2006 psf->have_written = SF_TRUE ;
2008 count = psf->write_float (psf, ptr, frames * psf->sf.channels) ;
2010 psf->write_current += count / psf->sf.channels ;
2012 psf->last_op = SFM_WRITE ;
2014 if (psf->auto_header && psf->write_header != NULL)
2015 psf->write_header (psf, SF_TRUE) ;
2017 if (psf->write_current > psf->sf.frames)
2018 psf->sf.frames = psf->write_current ;
2020 return count / psf->sf.channels ;
2021 } /* sf_writef_float */
2023 /*------------------------------------------------------------------------------
2027 sf_write_double (SNDFILE *sndfile, const double *ptr, sf_count_t len)
2031 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
2033 if (psf->mode == SFM_READ)
2034 { psf->error = SFE_NOT_WRITEMODE ;
2038 if (len % psf->sf.channels)
2039 { psf->error = SFE_BAD_WRITE_ALIGN ;
2043 if (! psf->write_double || psf->seek == NULL)
2044 { psf->error = SFE_UNIMPLEMENTED ;
2048 if (psf->last_op != SFM_WRITE)
2049 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
2052 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
2053 psf->write_header (psf, SF_FALSE) ;
2054 psf->have_written = SF_TRUE ;
2056 count = psf->write_double (psf, ptr, len) ;
2058 psf->write_current += count / psf->sf.channels ;
2060 psf->last_op = SFM_WRITE ;
2062 if (psf->auto_header && psf->write_header != NULL)
2063 psf->write_header (psf, SF_TRUE) ;
2065 if (psf->write_current > psf->sf.frames)
2066 psf->sf.frames = psf->write_current ;
2069 } /* sf_write_double */
2072 sf_writef_double (SNDFILE *sndfile, const double *ptr, sf_count_t frames)
2076 VALIDATE_SNDFILE_AND_ASSIGN_PSF (sndfile, psf, 1) ;
2078 if (psf->mode == SFM_READ)
2079 { psf->error = SFE_NOT_WRITEMODE ;
2083 if (! psf->write_double || psf->seek == NULL)
2084 { psf->error = SFE_UNIMPLEMENTED ;
2088 if (psf->last_op != SFM_WRITE)
2089 if (psf->seek (psf, SFM_WRITE, psf->write_current) < 0)
2092 if (psf->have_written == SF_FALSE && psf->write_header != NULL)
2093 psf->write_header (psf, SF_FALSE) ;
2094 psf->have_written = SF_TRUE ;
2096 count = psf->write_double (psf, ptr, frames * psf->sf.channels) ;
2098 psf->write_current += count / psf->sf.channels ;
2100 psf->last_op = SFM_WRITE ;
2102 if (psf->auto_header && psf->write_header != NULL)
2103 psf->write_header (psf, SF_TRUE) ;
2105 if (psf->write_current > psf->sf.frames)
2106 psf->sf.frames = psf->write_current ;
2108 return count / psf->sf.channels ;
2109 } /* sf_writef_double */
2111 /*=========================================================================
2112 ** Private functions.
2116 try_resource_fork (SF_PRIVATE * psf, int mode)
2118 if (psf_open_rsrc (psf, mode) != 0)
2121 /* More checking here. */
2122 psf_log_printf (psf, "Resource fork : %s\n", psf->rsrcpath) ;
2124 return SF_FORMAT_SD2 ;
2125 } /* try_resource_fork */
2128 format_from_extension (SF_PRIVATE *psf)
2132 if (psf->filename == NULL)
2135 if ((cptr = strrchr (psf->filename, '.')) == NULL)
2139 if (strlen (cptr) > sizeof (buffer) - 1)
2142 strncpy (buffer, cptr, sizeof (buffer)) ;
2143 buffer [sizeof (buffer) - 1] = 0 ;
2145 /* Convert everything in the buffer to lower case. */
2148 { *cptr = tolower (*cptr) ;
2154 if (strcmp (cptr, "au") == 0)
2155 { psf->sf.channels = 1 ;
2156 psf->sf.samplerate = 8000 ;
2157 return SF_FORMAT_RAW | SF_FORMAT_ULAW ;
2160 if (strcmp (cptr, "snd") == 0)
2161 { psf->sf.channels = 1 ;
2162 psf->sf.samplerate = 8000 ;
2163 return SF_FORMAT_RAW | SF_FORMAT_ULAW ;
2166 if (strcmp (cptr, "vox") == 0)
2167 { psf->sf.channels = 1 ;
2168 psf->sf.samplerate = 8000 ;
2169 return SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM ;
2172 if (strcmp (cptr, "gsm") == 0)
2173 { psf->sf.channels = 1 ;
2174 psf->sf.samplerate = 8000 ;
2175 return SF_FORMAT_RAW | SF_FORMAT_GSM610 ;
2179 } /* format_from_extension */
2182 guess_file_type (SF_PRIVATE *psf)
2183 { int buffer [3], format ;
2185 if (psf_binheader_readf (psf, "b", &buffer, SIGNED_SIZEOF (buffer)) != SIGNED_SIZEOF (buffer))
2186 { psf->error = SFE_BAD_FILE_READ ;
2190 if ((buffer [0] == MAKE_MARKER ('R', 'I', 'F', 'F') || buffer [0] == MAKE_MARKER ('R', 'I', 'F', 'X'))
2191 && buffer [2] == MAKE_MARKER ('W', 'A', 'V', 'E'))
2192 return SF_FORMAT_WAV ;
2194 if (buffer [0] == MAKE_MARKER ('F', 'O', 'R', 'M'))
2195 { if (buffer [2] == MAKE_MARKER ('A', 'I', 'F', 'F') || buffer [2] == MAKE_MARKER ('A', 'I', 'F', 'C'))
2196 return SF_FORMAT_AIFF ;
2197 if (buffer [2] == MAKE_MARKER ('8', 'S', 'V', 'X') || buffer [2] == MAKE_MARKER ('1', '6', 'S', 'V'))
2198 return SF_FORMAT_SVX ;
2202 if (buffer [0] == MAKE_MARKER ('.', 's', 'n', 'd') || buffer [0] == MAKE_MARKER ('d', 'n', 's', '.'))
2203 return SF_FORMAT_AU ;
2205 if ((buffer [0] == MAKE_MARKER ('f', 'a', 'p', ' ') || buffer [0] == MAKE_MARKER (' ', 'p', 'a', 'f')))
2206 return SF_FORMAT_PAF ;
2208 if (buffer [0] == MAKE_MARKER ('N', 'I', 'S', 'T'))
2209 return SF_FORMAT_NIST ;
2211 if (buffer [0] == MAKE_MARKER ('C', 'r', 'e', 'a') && buffer [1] == MAKE_MARKER ('t', 'i', 'v', 'e'))
2212 return SF_FORMAT_VOC ;
2214 if ((buffer [0] & MAKE_MARKER (0xFF, 0xFF, 0xF8, 0xFF)) == MAKE_MARKER (0x64, 0xA3, 0x00, 0x00) ||
2215 (buffer [0] & MAKE_MARKER (0xFF, 0xF8, 0xFF, 0xFF)) == MAKE_MARKER (0x00, 0x00, 0xA3, 0x64))
2216 return SF_FORMAT_IRCAM ;
2218 if (buffer [0] == MAKE_MARKER ('r', 'i', 'f', 'f'))
2219 return SF_FORMAT_W64 ;
2221 if (buffer [0] == MAKE_MARKER (0, 0, 0x03, 0xE8) && buffer [1] == MAKE_MARKER (0, 0, 0, 1) &&
2222 buffer [2] == MAKE_MARKER (0, 0, 0, 1))
2223 return SF_FORMAT_MAT4 ;
2225 if (buffer [0] == MAKE_MARKER (0, 0, 0, 0) && buffer [1] == MAKE_MARKER (1, 0, 0, 0) &&
2226 buffer [2] == MAKE_MARKER (1, 0, 0, 0))
2227 return SF_FORMAT_MAT4 ;
2229 if (buffer [0] == MAKE_MARKER ('M', 'A', 'T', 'L') && buffer [1] == MAKE_MARKER ('A', 'B', ' ', '5'))
2230 return SF_FORMAT_MAT5 ;
2232 if (buffer [0] == MAKE_MARKER ('P', 'V', 'F', '1'))
2233 return SF_FORMAT_PVF ;
2235 if (buffer [0] == MAKE_MARKER ('E', 'x', 't', 'e') && buffer [1] == MAKE_MARKER ('n', 'd', 'e', 'd') &&
2236 buffer [2] == MAKE_MARKER (' ', 'I', 'n', 's'))
2237 return SF_FORMAT_XI ;
2239 if (buffer [0] == MAKE_MARKER ('c', 'a', 'f', 'f') && buffer [2] == MAKE_MARKER ('d', 'e', 's', 'c'))
2240 return SF_FORMAT_CAF ;
2242 if (ENABLE_EXPERIMENTAL_CODE && buffer [0] == MAKE_MARKER ('O', 'g', 'g', 'S'))
2243 return SF_FORMAT_OGG ;
2245 if (buffer [0] == MAKE_MARKER ('A', 'L', 'a', 'w') && buffer [1] == MAKE_MARKER ('S', 'o', 'u', 'n')
2246 && buffer [2] == MAKE_MARKER ('d', 'F', 'i', 'l'))
2247 return SF_FORMAT_WVE ;
2249 if (buffer [0] == MAKE_MARKER ('D', 'i', 'a', 'm') && buffer [1] == MAKE_MARKER ('o', 'n', 'd', 'W')
2250 && buffer [2] == MAKE_MARKER ('a', 'r', 'e', ' '))
2251 return SF_FORMAT_DWD ;
2253 if (buffer [0] == MAKE_MARKER ('L', 'M', '8', '9') || buffer [0] == MAKE_MARKER ('5', '3', 0, 0))
2254 return SF_FORMAT_TXW ;
2256 if ((buffer [0] & MAKE_MARKER (0xFF, 0xFF, 0x80, 0xFF)) == MAKE_MARKER (0xF0, 0x7E, 0, 0x01))
2257 return SF_FORMAT_SDS ;
2259 if (buffer [0] == MAKE_MARKER ('C', 'A', 'T', ' ') && buffer [2] == MAKE_MARKER ('R', 'E', 'X', '2'))
2260 return SF_FORMAT_REX2 ;
2262 if (buffer [0] == MAKE_MARKER (0x30, 0x26, 0xB2, 0x75) && buffer [1] == MAKE_MARKER (0x8E, 0x66, 0xCF, 0x11))
2263 return 0 /*-SF_FORMAT_WMA-*/ ;
2265 /* HMM (Hidden Markov Model) Tool Kit. */
2266 if (2 * BEI2H_INT (buffer [0]) + 12 == psf->filelength && buffer [2] == MAKE_MARKER (0, 2, 0, 0))
2267 return SF_FORMAT_HTK ;
2269 if (buffer [0] == MAKE_MARKER ('f', 'L', 'a', 'C'))
2270 return SF_FORMAT_FLAC ;
2272 /* Turtle Beach SMP 16-bit */
2273 if (buffer [0] == MAKE_MARKER ('S', 'O', 'U', 'N') && buffer [1] == MAKE_MARKER ('D', ' ', 'S', 'A'))
2276 if (buffer [0] == MAKE_MARKER ('S', 'Y', '8', '0') || buffer [0] == MAKE_MARKER ('S', 'Y', '8', '5'))
2279 if (buffer [0] == MAKE_MARKER ('a', 'j', 'k', 'g'))
2280 return 0 /*-SF_FORMAT_SHN-*/ ;
2282 if (buffer [0] == MAKE_MARKER ('2', 'B', 'I', 'T'))
2283 return SF_FORMAT_AVR ;
2285 /* This must be the second last one. */
2286 if (psf->filelength > 0 && (format = try_resource_fork (psf, SFM_READ)) != 0)
2290 } /* guess_file_type */
2294 validate_sfinfo (SF_INFO *sfinfo)
2295 { if (sfinfo->samplerate < 1)
2297 if (sfinfo->frames < 0)
2299 if (sfinfo->channels < 1)
2301 if ((sfinfo->format & SF_FORMAT_TYPEMASK) == 0)
2303 if ((sfinfo->format & SF_FORMAT_SUBMASK) == 0)
2305 if (sfinfo->sections < 1)
2308 } /* validate_sfinfo */
2311 validate_psf (SF_PRIVATE *psf)
2313 if (psf->datalength < 0)
2314 { psf_log_printf (psf, "Invalid SF_PRIVATE field : datalength == %D.\n", psf->datalength) ;
2317 if (psf->dataoffset < 0)
2318 { psf_log_printf (psf, "Invalid SF_PRIVATE field : dataoffset == %D.\n", psf->dataoffset) ;
2321 if (psf->blockwidth && psf->blockwidth != psf->sf.channels * psf->bytewidth)
2322 { psf_log_printf (psf, "Invalid SF_PRIVATE field : channels * bytewidth == %d.\n",
2323 psf->sf.channels * psf->bytewidth) ;
2327 } /* validate_psf */
2330 save_header_info (SF_PRIVATE *psf)
2331 { LSF_SNPRINTF (sf_logbuffer, sizeof (sf_logbuffer), "%s", psf->logbuffer) ;
2332 } /* save_header_info */
2335 copy_filename (SF_PRIVATE *psf, const char *path)
2336 { const char *ccptr ;
2339 LSF_SNPRINTF (psf->filepath, sizeof (psf->filepath), "%s", path) ;
2340 if ((ccptr = strrchr (path, '/')) || (ccptr = strrchr (path, '\\')))
2345 LSF_SNPRINTF (psf->filename, sizeof (psf->filename), "%s", ccptr) ;
2347 /* Now grab the directory. */
2348 LSF_SNPRINTF (psf->directory, sizeof (psf->directory), "%s", path) ;
2349 if ((cptr = strrchr (psf->directory, '/')) || (cptr = strrchr (psf->directory, '\\')))
2352 psf->directory [0] = 0 ;
2355 } /* copy_filename */
2357 /*==============================================================================
2361 psf_close (SF_PRIVATE *psf)
2364 if (psf->codec_close)
2365 error = psf->codec_close (psf) ;
2366 if (psf->container_close)
2367 error = psf->container_close (psf) ;
2370 psf_close_rsrc (psf) ;
2375 if (psf->interleave)
2376 free (psf->interleave) ;
2379 free (psf->dither) ;
2382 free (psf->peak_info) ;
2384 if (psf->broadcast_info)
2385 free (psf->broadcast_info) ;
2388 free (psf->loop_info) ;
2390 if (psf->instrument)
2391 free (psf->instrument) ;
2393 if (psf->format_desc)
2394 { memset (psf->format_desc, 0, strlen (psf->format_desc)) ;
2395 free (psf->format_desc) ;
2398 memset (psf, 0, sizeof (SF_PRIVATE)) ;
2405 psf_open_file (SF_PRIVATE *psf, int mode, SF_INFO *sfinfo)
2406 { int error, format ;
2408 if (mode != SFM_READ && mode != SFM_WRITE && mode != SFM_RDWR)
2409 return SFE_BAD_OPEN_MODE ;
2412 return SFE_BAD_SF_INFO_PTR ;
2414 /* Zero out these fields. */
2415 sfinfo->frames = 0 ;
2416 sfinfo->sections = 0 ;
2417 sfinfo->seekable = 0 ;
2419 if (mode == SFM_READ)
2420 { if ((sfinfo->format & SF_FORMAT_TYPEMASK) == SF_FORMAT_RAW)
2421 { if (sf_format_check (sfinfo) == 0)
2422 return SFE_RAW_BAD_FORMAT ;
2425 memset (sfinfo, 0, sizeof (SF_INFO)) ;
2428 sf_errno = error = 0 ;
2429 sf_logbuffer [0] = 0 ;
2431 memcpy (&(psf->sf), sfinfo, sizeof (SF_INFO)) ;
2433 psf->Magick = SNDFILE_MAGICK ;
2434 psf->norm_float = SF_TRUE ;
2435 psf->norm_double = SF_TRUE ;
2437 psf->dataoffset = -1 ;
2438 psf->datalength = -1 ;
2439 psf->read_current = -1 ;
2440 psf->write_current = -1 ;
2441 psf->auto_header = SF_FALSE ;
2442 psf->rwf_endian = SF_ENDIAN_LITTLE ;
2443 psf->seek = psf_default_seek ;
2444 psf->float_int_mult = 0 ;
2445 psf->float_max = -1.0 ;
2447 psf->sf.sections = 1 ;
2449 psf->is_pipe = psf_is_pipe (psf) ;
2452 { psf->sf.seekable = SF_FALSE ;
2453 psf->filelength = SF_COUNT_MAX ;
2456 { psf->sf.seekable = SF_TRUE ;
2458 /* File is open, so get the length. */
2459 psf->filelength = psf_get_filelen (psf) ;
2462 if (psf->fileoffset > 0)
2463 { switch (psf->mode)
2465 if (psf->filelength < 44)
2466 { psf_log_printf (psf, "Short filelength: %D (fileoffset: %D)\n", psf->filelength, psf->fileoffset) ;
2467 return SFE_BAD_OFFSET ;
2472 psf->fileoffset = 0 ;
2473 psf_fseek (psf, 0, SEEK_END) ;
2474 psf->fileoffset = psf_ftell (psf) ;
2478 return SFE_NO_EMBEDDED_RDWR ;
2481 psf_log_printf (psf, "Embedded file offset : %D\n", psf->fileoffset) ;
2484 if (psf->filelength == SF_COUNT_MAX)
2485 psf_log_printf (psf, "Length : unknown\n") ;
2487 psf_log_printf (psf, "Length : %D\n", psf->filelength) ;
2489 if (mode == SFM_WRITE || (mode == SFM_RDWR && psf->filelength == 0))
2490 { /* If the file is being opened for write or RDWR and the file is currently
2491 ** empty, then the SF_INFO struct must contain valid data.
2493 if (sf_format_check (&(psf->sf)) == 0)
2494 return SFE_BAD_OPEN_FORMAT ;
2496 else if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_RAW)
2497 { /* If type RAW has not been specified then need to figure out file type. */
2498 psf->sf.format = guess_file_type (psf) ;
2500 if (psf->sf.format == 0)
2501 psf->sf.format = format_from_extension (psf) ;
2504 /* Prevent unnecessary seeks */
2505 psf->last_op = psf->mode ;
2507 /* Set bytewidth if known. */
2508 switch (psf->sf.format & SF_FORMAT_SUBMASK)
2509 { case SF_FORMAT_PCM_S8 :
2510 case SF_FORMAT_PCM_U8 :
2511 case SF_FORMAT_ULAW :
2512 case SF_FORMAT_ALAW :
2513 case SF_FORMAT_DPCM_8 :
2514 psf->bytewidth = 1 ;
2517 case SF_FORMAT_PCM_16 :
2518 case SF_FORMAT_DPCM_16 :
2519 psf->bytewidth = 2 ;
2522 case SF_FORMAT_PCM_24 :
2523 psf->bytewidth = 3 ;
2526 case SF_FORMAT_PCM_32 :
2527 case SF_FORMAT_FLOAT :
2528 psf->bytewidth = 4 ;
2531 case SF_FORMAT_DOUBLE :
2532 psf->bytewidth = 8 ;
2536 /* Call the initialisation function for the relevant file type. */
2537 switch (psf->sf.format & SF_FORMAT_TYPEMASK)
2538 { case SF_FORMAT_WAV :
2539 case SF_FORMAT_WAVEX :
2540 error = wav_open (psf) ;
2543 case SF_FORMAT_AIFF :
2544 error = aiff_open (psf) ;
2548 error = au_open (psf) ;
2551 case SF_FORMAT_RAW :
2552 error = raw_open (psf) ;
2555 case SF_FORMAT_W64 :
2556 error = w64_open (psf) ;
2559 /* Lite remove start */
2560 case SF_FORMAT_PAF :
2561 error = paf_open (psf) ;
2564 case SF_FORMAT_SVX :
2565 error = svx_open (psf) ;
2568 case SF_FORMAT_NIST :
2569 error = nist_open (psf) ;
2572 case SF_FORMAT_IRCAM :
2573 error = ircam_open (psf) ;
2576 case SF_FORMAT_VOC :
2577 error = voc_open (psf) ;
2580 case SF_FORMAT_SDS :
2581 error = sds_open (psf) ;
2584 case SF_FORMAT_OGG :
2585 error = ogg_open (psf) ;
2588 case SF_FORMAT_TXW :
2589 error = txw_open (psf) ;
2592 case SF_FORMAT_WVE :
2593 error = wve_open (psf) ;
2596 case SF_FORMAT_DWD :
2597 error = dwd_open (psf) ;
2600 case SF_FORMAT_MAT4 :
2601 error = mat4_open (psf) ;
2604 case SF_FORMAT_MAT5 :
2605 error = mat5_open (psf) ;
2608 case SF_FORMAT_PVF :
2609 error = pvf_open (psf) ;
2613 error = xi_open (psf) ;
2616 case SF_FORMAT_HTK :
2617 error = htk_open (psf) ;
2620 case SF_FORMAT_SD2 :
2621 error = sd2_open (psf) ;
2624 case SF_FORMAT_REX2 :
2625 error = rx2_open (psf) ;
2628 case SF_FORMAT_AVR :
2629 error = avr_open (psf) ;
2632 case SF_FORMAT_FLAC :
2633 error = flac_open (psf) ;
2636 case SF_FORMAT_CAF :
2637 error = caf_open (psf) ;
2640 /* Lite remove end */
2643 error = SFE_UNKNOWN_FORMAT ;
2647 { if (error != SF_ERR_SYSTEM && error != SF_ERR_UNSUPPORTED_ENCODING)
2648 { psf_log_printf (psf, "Parse error : %s\n", sf_error_number (error)) ;
2649 error = SF_ERR_MALFORMED_FILE ;
2655 /* For now, check whether embedding is supported. */
2656 format = psf->sf.format & SF_FORMAT_TYPEMASK ;
2657 if (psf->fileoffset > 0 &&
2658 (format != SF_FORMAT_WAV) && (format != SF_FORMAT_WAVEX) &&
2659 (format != SF_FORMAT_AIFF) && (format != SF_FORMAT_AU)
2661 return SFE_NO_EMBED_SUPPORT ;
2663 if (psf->fileoffset > 0)
2664 psf_log_printf (psf, "Embedded file length : %D\n", psf->filelength) ;
2666 if (mode == SFM_RDWR && sf_format_check (&(psf->sf)) == 0)
2667 return SFE_BAD_RDWR_FORMAT ;
2669 if (validate_sfinfo (&(psf->sf)) == 0)
2670 { psf_log_SF_INFO (psf) ;
2671 save_header_info (psf) ;
2672 return SFE_BAD_SF_INFO ;
2675 if (validate_psf (psf) == 0)
2676 { save_header_info (psf) ;
2677 return SFE_INTERNAL ;
2680 psf->read_current = 0 ;
2681 psf->write_current = (psf->mode == SFM_RDWR) ? psf->sf.frames : 0 ;
2683 memcpy (sfinfo, &(psf->sf), sizeof (SF_INFO)) ;
2686 } /* psf_open_file */
2689 ** Do not edit or modify anything in this comment block.
2690 ** The arch-tag line is a file identity tag for the GNU Arch
2691 ** revision control system.
2693 ** arch-tag: cd4f9e91-a8ec-4154-9bf6-fe4b8c69a615