Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** |
| 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. |
| 8 | ** |
| 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. |
| 13 | ** |
| 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. |
| 17 | */ |
| 18 | |
| 19 | #include <config.h> |
| 20 | |
| 21 | #include <stdarg.h> |
| 22 | #include <string.h> |
| 23 | #include <ctype.h> |
| 24 | #include <math.h> |
| 25 | #include <time.h> |
| 26 | #include <sys/time.h> |
| 27 | |
| 28 | #include "sndfile.h" |
| 29 | #include "sfendian.h" |
| 30 | #include "common.h" |
| 31 | |
| 32 | /*----------------------------------------------------------------------------------------------- |
| 33 | ** psf_log_printf allows libsndfile internal functions to print to an internal logbuffer which |
| 34 | ** can later be displayed. |
| 35 | ** The format specifiers are as for printf but without the field width and other modifiers. |
| 36 | ** Printing is performed to the logbuffer char array of the SF_PRIVATE struct. |
| 37 | ** Printing is done in such a way as to guarantee that the log never overflows the end of the |
| 38 | ** logbuffer array. |
| 39 | */ |
| 40 | |
| 41 | static inline void |
| 42 | log_putchar (SF_PRIVATE *psf, char ch) |
| 43 | { if (psf->logindex < SIGNED_SIZEOF (psf->logbuffer) - 1) |
| 44 | { psf->logbuffer [psf->logindex++] = ch ; |
| 45 | psf->logbuffer [psf->logindex] = 0 ; |
| 46 | } ; |
| 47 | return ; |
| 48 | } /* log_putchar */ |
| 49 | |
| 50 | void |
| 51 | psf_log_printf (SF_PRIVATE *psf, const char *format, ...) |
| 52 | { va_list ap ; |
| 53 | unsigned int u ; |
| 54 | int d, tens, shift, width, width_specifier, left_align ; |
| 55 | char c, *strptr, istr [5], lead_char, sign_char ; |
| 56 | |
| 57 | va_start (ap, format) ; |
| 58 | |
| 59 | while ((c = *format++)) |
| 60 | { if (c != '%') |
| 61 | { log_putchar (psf, c) ; |
| 62 | continue ; |
| 63 | } ; |
| 64 | |
| 65 | if (format [0] == '%') /* Handle %% */ |
| 66 | { log_putchar (psf, '%') ; |
| 67 | format ++ ; |
| 68 | continue ; |
| 69 | } ; |
| 70 | |
| 71 | sign_char = 0 ; |
| 72 | left_align = SF_FALSE ; |
| 73 | while (1) |
| 74 | { switch (format [0]) |
| 75 | { case ' ' : |
| 76 | case '+' : |
| 77 | sign_char = format [0] ; |
| 78 | format ++ ; |
| 79 | continue ; |
| 80 | |
| 81 | case '-' : |
| 82 | left_align = SF_TRUE ; |
| 83 | format ++ ; |
| 84 | continue ; |
| 85 | |
| 86 | default : break ; |
| 87 | } ; |
| 88 | |
| 89 | break ; |
| 90 | } ; |
| 91 | |
| 92 | if (format [0] == 0) |
| 93 | break ; |
| 94 | |
| 95 | lead_char = ' ' ; |
| 96 | if (format [0] == '0') |
| 97 | lead_char = '0' ; |
| 98 | |
| 99 | width_specifier = 0 ; |
| 100 | while ((c = *format++) && isdigit (c)) |
| 101 | width_specifier = width_specifier * 10 + (c - '0') ; |
| 102 | |
| 103 | switch (c) |
| 104 | { case 0 : /* NULL character. */ |
| 105 | va_end (ap) ; |
| 106 | return ; |
| 107 | |
| 108 | case 's': /* string */ |
| 109 | strptr = va_arg (ap, char *) ; |
| 110 | if (strptr == NULL) |
| 111 | break ; |
| 112 | width_specifier -= strlen (strptr) ; |
| 113 | if (left_align == SF_FALSE) |
| 114 | while (width_specifier -- > 0) |
| 115 | log_putchar (psf, ' ') ; |
| 116 | while (*strptr) |
| 117 | log_putchar (psf, *strptr++) ; |
| 118 | while (width_specifier -- > 0) |
| 119 | log_putchar (psf, ' ') ; |
| 120 | break ; |
| 121 | |
| 122 | case 'd': /* int */ |
| 123 | d = va_arg (ap, int) ; |
| 124 | |
| 125 | if (d < 0) |
| 126 | { d = -d ; |
| 127 | sign_char = '-' ; |
| 128 | if (lead_char != '0' && left_align == SF_FALSE) |
| 129 | width_specifier -- ; |
| 130 | } ; |
| 131 | |
| 132 | tens = 1 ; |
| 133 | width = 1 ; |
| 134 | while (d / tens >= 10) |
| 135 | { tens *= 10 ; |
| 136 | width ++ ; |
| 137 | } ; |
| 138 | |
| 139 | width_specifier -= width ; |
| 140 | |
| 141 | if (sign_char == ' ') |
| 142 | { log_putchar (psf, ' ') ; |
| 143 | width_specifier -- ; |
| 144 | } ; |
| 145 | |
| 146 | if (left_align == SF_FALSE && lead_char != '0') |
| 147 | { if (sign_char == '+') |
| 148 | width_specifier -- ; |
| 149 | |
| 150 | while (width_specifier -- > 0) |
| 151 | log_putchar (psf, lead_char) ; |
| 152 | } ; |
| 153 | |
| 154 | if (sign_char == '+' || sign_char == '-') |
| 155 | { log_putchar (psf, sign_char) ; |
| 156 | width_specifier -- ; |
| 157 | } ; |
| 158 | |
| 159 | if (left_align == SF_FALSE) |
| 160 | while (width_specifier -- > 0) |
| 161 | log_putchar (psf, lead_char) ; |
| 162 | |
| 163 | while (tens > 0) |
| 164 | { log_putchar (psf, '0' + d / tens) ; |
| 165 | d %= tens ; |
| 166 | tens /= 10 ; |
| 167 | } ; |
| 168 | |
| 169 | while (width_specifier -- > 0) |
| 170 | log_putchar (psf, lead_char) ; |
| 171 | break ; |
| 172 | |
| 173 | case 'D': /* sf_count_t */ |
| 174 | { sf_count_t D, Tens ; |
| 175 | |
| 176 | D = va_arg (ap, sf_count_t) ; |
| 177 | |
| 178 | if (D == 0) |
| 179 | { while (-- width_specifier > 0) |
| 180 | log_putchar (psf, lead_char) ; |
| 181 | log_putchar (psf, '0') ; |
| 182 | break ; |
| 183 | } |
| 184 | if (D < 0) |
| 185 | { log_putchar (psf, '-') ; |
| 186 | D = -D ; |
| 187 | } ; |
| 188 | Tens = 1 ; |
| 189 | width = 1 ; |
| 190 | while (D / Tens >= 10) |
| 191 | { Tens *= 10 ; |
| 192 | width ++ ; |
| 193 | } ; |
| 194 | |
| 195 | while (width_specifier > width) |
| 196 | { log_putchar (psf, lead_char) ; |
| 197 | width_specifier-- ; |
| 198 | } ; |
| 199 | |
| 200 | while (Tens > 0) |
| 201 | { log_putchar (psf, '0' + D / Tens) ; |
| 202 | D %= Tens ; |
| 203 | Tens /= 10 ; |
| 204 | } ; |
| 205 | } ; |
| 206 | break ; |
| 207 | |
| 208 | case 'u': /* unsigned int */ |
| 209 | u = va_arg (ap, unsigned int) ; |
| 210 | |
| 211 | tens = 1 ; |
| 212 | width = 1 ; |
| 213 | while (u / tens >= 10) |
| 214 | { tens *= 10 ; |
| 215 | width ++ ; |
| 216 | } ; |
| 217 | |
| 218 | width_specifier -= width ; |
| 219 | |
| 220 | if (sign_char == ' ') |
| 221 | { log_putchar (psf, ' ') ; |
| 222 | width_specifier -- ; |
| 223 | } ; |
| 224 | |
| 225 | if (left_align == SF_FALSE && lead_char != '0') |
| 226 | { if (sign_char == '+') |
| 227 | width_specifier -- ; |
| 228 | |
| 229 | while (width_specifier -- > 0) |
| 230 | log_putchar (psf, lead_char) ; |
| 231 | } ; |
| 232 | |
| 233 | if (sign_char == '+' || sign_char == '-') |
| 234 | { log_putchar (psf, sign_char) ; |
| 235 | width_specifier -- ; |
| 236 | } ; |
| 237 | |
| 238 | if (left_align == SF_FALSE) |
| 239 | while (width_specifier -- > 0) |
| 240 | log_putchar (psf, lead_char) ; |
| 241 | |
| 242 | while (tens > 0) |
| 243 | { log_putchar (psf, '0' + u / tens) ; |
| 244 | u %= tens ; |
| 245 | tens /= 10 ; |
| 246 | } ; |
| 247 | |
| 248 | while (width_specifier -- > 0) |
| 249 | log_putchar (psf, lead_char) ; |
| 250 | break ; |
| 251 | |
| 252 | case 'c': /* char */ |
| 253 | c = va_arg (ap, int) & 0xFF ; |
| 254 | log_putchar (psf, c) ; |
| 255 | break ; |
| 256 | |
| 257 | case 'x': /* hex */ |
| 258 | case 'X': /* hex */ |
| 259 | d = va_arg (ap, int) ; |
| 260 | |
| 261 | if (d == 0) |
| 262 | { while (--width_specifier > 0) |
| 263 | log_putchar (psf, lead_char) ; |
| 264 | log_putchar (psf, '0') ; |
| 265 | break ; |
| 266 | } ; |
| 267 | shift = 28 ; |
| 268 | width = (width_specifier < 8) ? 8 : width_specifier ; |
| 269 | while (! ((0xF << shift) & d)) |
| 270 | { shift -= 4 ; |
| 271 | width -- ; |
| 272 | } ; |
| 273 | |
| 274 | while (width > 0 && width_specifier > width) |
| 275 | { log_putchar (psf, lead_char) ; |
| 276 | width_specifier-- ; |
| 277 | } ; |
| 278 | |
| 279 | while (shift >= 0) |
| 280 | { c = (d >> shift) & 0xF ; |
| 281 | log_putchar (psf, (c > 9) ? c + 'A' - 10 : c + '0') ; |
| 282 | shift -= 4 ; |
| 283 | } ; |
| 284 | break ; |
| 285 | |
| 286 | case 'M': /* int2str */ |
| 287 | d = va_arg (ap, int) ; |
| 288 | if (CPU_IS_LITTLE_ENDIAN) |
| 289 | { istr [0] = d & 0xFF ; |
| 290 | istr [1] = (d >> 8) & 0xFF ; |
| 291 | istr [2] = (d >> 16) & 0xFF ; |
| 292 | istr [3] = (d >> 24) & 0xFF ; |
| 293 | } |
| 294 | else |
| 295 | { istr [3] = d & 0xFF ; |
| 296 | istr [2] = (d >> 8) & 0xFF ; |
| 297 | istr [1] = (d >> 16) & 0xFF ; |
| 298 | istr [0] = (d >> 24) & 0xFF ; |
| 299 | } ; |
| 300 | istr [4] = 0 ; |
| 301 | strptr = istr ; |
| 302 | while (*strptr) |
| 303 | { c = *strptr++ ; |
| 304 | log_putchar (psf, c) ; |
| 305 | } ; |
| 306 | break ; |
| 307 | |
| 308 | default : |
| 309 | log_putchar (psf, '*') ; |
| 310 | log_putchar (psf, c) ; |
| 311 | log_putchar (psf, '*') ; |
| 312 | break ; |
| 313 | } /* switch */ |
| 314 | } /* while */ |
| 315 | |
| 316 | va_end (ap) ; |
| 317 | return ; |
| 318 | } /* psf_log_printf */ |
| 319 | |
| 320 | /*----------------------------------------------------------------------------------------------- |
| 321 | ** ASCII header printf functions. |
| 322 | ** Some formats (ie NIST) use ascii text in their headers. |
| 323 | ** Format specifiers are the same as the standard printf specifiers (uses vsnprintf). |
| 324 | ** If this generates a compile error on any system, the author should be notified |
| 325 | ** so an alternative vsnprintf can be provided. |
| 326 | */ |
| 327 | |
| 328 | void |
| 329 | psf_asciiheader_printf (SF_PRIVATE *psf, const char *format, ...) |
| 330 | { va_list argptr ; |
| 331 | int maxlen ; |
| 332 | char *start ; |
| 333 | |
| 334 | maxlen = strlen ((char*) psf->header) ; |
| 335 | start = ((char*) psf->header) + maxlen ; |
| 336 | maxlen = sizeof (psf->header) - maxlen ; |
| 337 | |
| 338 | va_start (argptr, format) ; |
| 339 | vsnprintf (start, maxlen, format, argptr) ; |
| 340 | va_end (argptr) ; |
| 341 | |
| 342 | /* Make sure the string is properly terminated. */ |
| 343 | start [maxlen - 1] = 0 ; |
| 344 | |
| 345 | psf->headindex = strlen ((char*) psf->header) ; |
| 346 | |
| 347 | return ; |
| 348 | } /* psf_asciiheader_printf */ |
| 349 | |
| 350 | /*----------------------------------------------------------------------------------------------- |
| 351 | ** Binary header writing functions. Returns number of bytes written. |
| 352 | ** |
| 353 | ** Format specifiers for psf_binheader_writef are as follows |
| 354 | ** m - marker - four bytes - no endian manipulation |
| 355 | ** |
| 356 | ** e - all following numerical values will be little endian |
| 357 | ** E - all following numerical values will be big endian |
| 358 | ** |
| 359 | ** t - all following O types will be truncated to 4 bytes |
| 360 | ** T - switch off truncation of all following O types |
| 361 | ** |
| 362 | ** 1 - single byte value |
| 363 | ** 2 - two byte value |
| 364 | ** 3 - three byte value |
| 365 | ** 4 - four byte value |
| 366 | ** 8 - eight byte value (sometimes written as 4 bytes) |
| 367 | ** |
| 368 | ** s - string preceded by a four byte length |
| 369 | ** S - string including null terminator |
| 370 | ** f - floating point data |
| 371 | ** d - double precision floating point data |
| 372 | ** h - 16 binary bytes value |
| 373 | ** |
| 374 | ** b - binary data (see below) |
| 375 | ** z - zero bytes (ses below) |
| 376 | ** j - jump forwards or backwards |
| 377 | ** |
| 378 | ** To write a word followed by an int (both little endian) use: |
| 379 | ** psf_binheader_writef ("e24", wordval, longval) ; |
| 380 | ** |
| 381 | ** To write binary data use: |
| 382 | ** psf_binheader_writef ("b", &bindata, sizeof (bindata)) ; |
| 383 | ** |
| 384 | ** To write N zero bytes use: |
| 385 | ** NOTE: due to platform issues (ie x86-64) you should cast the |
| 386 | ** argument to size_t or ensure the variable type is size_t. |
| 387 | ** psf_binheader_writef ("z", N) ; |
| 388 | */ |
| 389 | |
| 390 | /* These macros may seem a bit messy but do prevent problems with processors which |
| 391 | ** seg. fault when asked to write an int or short to a non-int/short aligned address. |
| 392 | */ |
| 393 | |
| 394 | static inline void |
| 395 | header_put_byte (SF_PRIVATE *psf, char x) |
| 396 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 1) |
| 397 | psf->header [psf->headindex++] = x ; |
| 398 | } /* header_put_byte */ |
| 399 | |
| 400 | #if (CPU_IS_BIG_ENDIAN == 1) |
| 401 | static inline void |
| 402 | header_put_marker (SF_PRIVATE *psf, int x) |
| 403 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 4) |
| 404 | { psf->header [psf->headindex++] = (x >> 24) ; |
| 405 | psf->header [psf->headindex++] = (x >> 16) ; |
| 406 | psf->header [psf->headindex++] = (x >> 8) ; |
| 407 | psf->header [psf->headindex++] = x ; |
| 408 | } ; |
| 409 | } /* header_put_marker */ |
| 410 | |
| 411 | #elif (CPU_IS_LITTLE_ENDIAN == 1) |
| 412 | static inline void |
| 413 | header_put_marker (SF_PRIVATE *psf, int x) |
| 414 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 4) |
| 415 | { psf->header [psf->headindex++] = x ; |
| 416 | psf->header [psf->headindex++] = (x >> 8) ; |
| 417 | psf->header [psf->headindex++] = (x >> 16) ; |
| 418 | psf->header [psf->headindex++] = (x >> 24) ; |
| 419 | } ; |
| 420 | } /* header_put_marker */ |
| 421 | |
| 422 | #else |
| 423 | # error "Cannot determine endian-ness of processor." |
| 424 | #endif |
| 425 | |
| 426 | |
| 427 | static inline void |
| 428 | header_put_be_short (SF_PRIVATE *psf, int x) |
| 429 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 2) |
| 430 | { psf->header [psf->headindex++] = (x >> 8) ; |
| 431 | psf->header [psf->headindex++] = x ; |
| 432 | } ; |
| 433 | } /* header_put_be_short */ |
| 434 | |
| 435 | static inline void |
| 436 | header_put_le_short (SF_PRIVATE *psf, int x) |
| 437 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 2) |
| 438 | { psf->header [psf->headindex++] = x ; |
| 439 | psf->header [psf->headindex++] = (x >> 8) ; |
| 440 | } ; |
| 441 | } /* header_put_le_short */ |
| 442 | |
| 443 | static inline void |
| 444 | header_put_be_3byte (SF_PRIVATE *psf, int x) |
| 445 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 3) |
| 446 | { psf->header [psf->headindex++] = (x >> 16) ; |
| 447 | psf->header [psf->headindex++] = (x >> 8) ; |
| 448 | psf->header [psf->headindex++] = x ; |
| 449 | } ; |
| 450 | } /* header_put_be_3byte */ |
| 451 | |
| 452 | static inline void |
| 453 | header_put_le_3byte (SF_PRIVATE *psf, int x) |
| 454 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 3) |
| 455 | { psf->header [psf->headindex++] = x ; |
| 456 | psf->header [psf->headindex++] = (x >> 8) ; |
| 457 | psf->header [psf->headindex++] = (x >> 16) ; |
| 458 | } ; |
| 459 | } /* header_put_le_3byte */ |
| 460 | |
| 461 | static inline void |
| 462 | header_put_be_int (SF_PRIVATE *psf, int x) |
| 463 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 4) |
| 464 | { psf->header [psf->headindex++] = (x >> 24) ; |
| 465 | psf->header [psf->headindex++] = (x >> 16) ; |
| 466 | psf->header [psf->headindex++] = (x >> 8) ; |
| 467 | psf->header [psf->headindex++] = x ; |
| 468 | } ; |
| 469 | } /* header_put_be_int */ |
| 470 | |
| 471 | static inline void |
| 472 | header_put_le_int (SF_PRIVATE *psf, int x) |
| 473 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 4) |
| 474 | { psf->header [psf->headindex++] = x ; |
| 475 | psf->header [psf->headindex++] = (x >> 8) ; |
| 476 | psf->header [psf->headindex++] = (x >> 16) ; |
| 477 | psf->header [psf->headindex++] = (x >> 24) ; |
| 478 | } ; |
| 479 | } /* header_put_le_int */ |
| 480 | |
| 481 | #if (SIZEOF_SF_COUNT_T == 4) |
| 482 | |
| 483 | static inline void |
| 484 | header_put_be_8byte (SF_PRIVATE *psf, sf_count_t x) |
| 485 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 8) |
| 486 | { psf->header [psf->headindex++] = 0 ; |
| 487 | psf->header [psf->headindex++] = 0 ; |
| 488 | psf->header [psf->headindex++] = 0 ; |
| 489 | psf->header [psf->headindex++] = 0 ; |
| 490 | psf->header [psf->headindex++] = (x >> 24) ; |
| 491 | psf->header [psf->headindex++] = (x >> 16) ; |
| 492 | psf->header [psf->headindex++] = (x >> 8) ; |
| 493 | psf->header [psf->headindex++] = x ; |
| 494 | } ; |
| 495 | } /* header_put_be_8byte */ |
| 496 | |
| 497 | static inline void |
| 498 | header_put_le_8byte (SF_PRIVATE *psf, sf_count_t x) |
| 499 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 8) |
| 500 | { psf->header [psf->headindex++] = x ; |
| 501 | psf->header [psf->headindex++] = (x >> 8) ; |
| 502 | psf->header [psf->headindex++] = (x >> 16) ; |
| 503 | psf->header [psf->headindex++] = (x >> 24) ; |
| 504 | psf->header [psf->headindex++] = 0 ; |
| 505 | psf->header [psf->headindex++] = 0 ; |
| 506 | psf->header [psf->headindex++] = 0 ; |
| 507 | psf->header [psf->headindex++] = 0 ; |
| 508 | } ; |
| 509 | } /* header_put_le_8byte */ |
| 510 | |
| 511 | #elif (SIZEOF_SF_COUNT_T == 8) |
| 512 | |
| 513 | static inline void |
| 514 | header_put_be_8byte (SF_PRIVATE *psf, sf_count_t x) |
| 515 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 8) |
| 516 | { psf->header [psf->headindex++] = (x >> 56) ; |
| 517 | psf->header [psf->headindex++] = (x >> 48) ; |
| 518 | psf->header [psf->headindex++] = (x >> 40) ; |
| 519 | psf->header [psf->headindex++] = (x >> 32) ; |
| 520 | psf->header [psf->headindex++] = (x >> 24) ; |
| 521 | psf->header [psf->headindex++] = (x >> 16) ; |
| 522 | psf->header [psf->headindex++] = (x >> 8) ; |
| 523 | psf->header [psf->headindex++] = x ; |
| 524 | } ; |
| 525 | } /* header_put_be_8byte */ |
| 526 | |
| 527 | static inline void |
| 528 | header_put_le_8byte (SF_PRIVATE *psf, sf_count_t x) |
| 529 | { if (psf->headindex < SIGNED_SIZEOF (psf->header) - 8) |
| 530 | { psf->header [psf->headindex++] = x ; |
| 531 | psf->header [psf->headindex++] = (x >> 8) ; |
| 532 | psf->header [psf->headindex++] = (x >> 16) ; |
| 533 | psf->header [psf->headindex++] = (x >> 24) ; |
| 534 | psf->header [psf->headindex++] = (x >> 32) ; |
| 535 | psf->header [psf->headindex++] = (x >> 40) ; |
| 536 | psf->header [psf->headindex++] = (x >> 48) ; |
| 537 | psf->header [psf->headindex++] = (x >> 56) ; |
| 538 | } ; |
| 539 | } /* header_put_le_8byte */ |
| 540 | |
| 541 | #else |
| 542 | #error "SIZEOF_SF_COUNT_T is not defined." |
| 543 | #endif |
| 544 | |
| 545 | int |
| 546 | psf_binheader_writef (SF_PRIVATE *psf, const char *format, ...) |
| 547 | { va_list argptr ; |
| 548 | sf_count_t countdata ; |
| 549 | unsigned long longdata ; |
| 550 | unsigned int data ; |
| 551 | float floatdata ; |
| 552 | double doubledata ; |
| 553 | void *bindata ; |
| 554 | size_t size ; |
| 555 | char c, *strptr ; |
| 556 | int count = 0, trunc_8to4 ; |
| 557 | |
| 558 | trunc_8to4 = SF_FALSE ; |
| 559 | |
| 560 | va_start (argptr, format) ; |
| 561 | |
| 562 | while ((c = *format++)) |
| 563 | { switch (c) |
| 564 | { case ' ' : /* Do nothing. Just used to space out format string. */ |
| 565 | break ; |
| 566 | |
| 567 | case 'e' : /* All conversions are now from LE to host. */ |
| 568 | psf->rwf_endian = SF_ENDIAN_LITTLE ; |
| 569 | break ; |
| 570 | |
| 571 | case 'E' : /* All conversions are now from BE to host. */ |
| 572 | psf->rwf_endian = SF_ENDIAN_BIG ; |
| 573 | break ; |
| 574 | |
| 575 | case 't' : /* All 8 byte values now get written as 4 bytes. */ |
| 576 | trunc_8to4 = SF_TRUE ; |
| 577 | break ; |
| 578 | |
| 579 | case 'T' : /* All 8 byte values now get written as 8 bytes. */ |
| 580 | trunc_8to4 = SF_FALSE ; |
| 581 | break ; |
| 582 | |
| 583 | case 'm' : |
| 584 | data = va_arg (argptr, unsigned int) ; |
| 585 | header_put_marker (psf, data) ; |
| 586 | count += 4 ; |
| 587 | break ; |
| 588 | |
| 589 | case '1' : |
| 590 | data = va_arg (argptr, unsigned int) ; |
| 591 | header_put_byte (psf, data) ; |
| 592 | count += 1 ; |
| 593 | break ; |
| 594 | |
| 595 | case '2' : |
| 596 | data = va_arg (argptr, unsigned int) ; |
| 597 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 598 | { header_put_be_short (psf, data) ; |
| 599 | } |
| 600 | else |
| 601 | { header_put_le_short (psf, data) ; |
| 602 | } ; |
| 603 | count += 2 ; |
| 604 | break ; |
| 605 | |
| 606 | case '3' : /* tribyte */ |
| 607 | data = va_arg (argptr, unsigned int) ; |
| 608 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 609 | { header_put_be_3byte (psf, data) ; |
| 610 | } |
| 611 | else |
| 612 | { header_put_le_3byte (psf, data) ; |
| 613 | } ; |
| 614 | count += 3 ; |
| 615 | break ; |
| 616 | |
| 617 | case '4' : |
| 618 | data = va_arg (argptr, unsigned int) ; |
| 619 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 620 | { header_put_be_int (psf, data) ; |
| 621 | } |
| 622 | else |
| 623 | { header_put_le_int (psf, data) ; |
| 624 | } ; |
| 625 | count += 4 ; |
| 626 | break ; |
| 627 | |
| 628 | case '8' : |
| 629 | countdata = va_arg (argptr, sf_count_t) ; |
| 630 | if (psf->rwf_endian == SF_ENDIAN_BIG && trunc_8to4 == SF_FALSE) |
| 631 | { header_put_be_8byte (psf, countdata) ; |
| 632 | count += 8 ; |
| 633 | } |
| 634 | else if (psf->rwf_endian == SF_ENDIAN_LITTLE && trunc_8to4 == SF_FALSE) |
| 635 | { header_put_le_8byte (psf, countdata) ; |
| 636 | count += 8 ; |
| 637 | } |
| 638 | else if (psf->rwf_endian == SF_ENDIAN_BIG && trunc_8to4 == SF_TRUE) |
| 639 | { longdata = countdata & 0xFFFFFFFF ; |
| 640 | header_put_be_int (psf, longdata) ; |
| 641 | count += 4 ; |
| 642 | } |
| 643 | else if (psf->rwf_endian == SF_ENDIAN_LITTLE && trunc_8to4 == SF_TRUE) |
| 644 | { longdata = countdata & 0xFFFFFFFF ; |
| 645 | header_put_le_int (psf, longdata) ; |
| 646 | count += 4 ; |
| 647 | } |
| 648 | break ; |
| 649 | |
| 650 | case 'f' : |
| 651 | /* Floats are passed as doubles. Is this always true? */ |
| 652 | floatdata = (float) va_arg (argptr, double) ; |
| 653 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 654 | float32_be_write (floatdata, psf->header + psf->headindex) ; |
| 655 | else |
| 656 | float32_le_write (floatdata, psf->header + psf->headindex) ; |
| 657 | psf->headindex += 4 ; |
| 658 | count += 4 ; |
| 659 | break ; |
| 660 | |
| 661 | case 'd' : |
| 662 | doubledata = va_arg (argptr, double) ; |
| 663 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 664 | double64_be_write (doubledata, psf->header + psf->headindex) ; |
| 665 | else |
| 666 | double64_le_write (doubledata, psf->header + psf->headindex) ; |
| 667 | psf->headindex += 8 ; |
| 668 | count += 8 ; |
| 669 | break ; |
| 670 | |
| 671 | case 's' : |
| 672 | /* Write a C string (guaranteed to have a zero terminator). */ |
| 673 | strptr = va_arg (argptr, char *) ; |
| 674 | size = strlen (strptr) + 1 ; |
| 675 | size += (size & 1) ; |
| 676 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 677 | header_put_be_int (psf, size) ; |
| 678 | else |
| 679 | header_put_le_int (psf, size) ; |
| 680 | memcpy (&(psf->header [psf->headindex]), strptr, size) ; |
| 681 | psf->headindex += size ; |
| 682 | psf->header [psf->headindex - 1] = 0 ; |
| 683 | count += 4 + size ; |
| 684 | break ; |
| 685 | |
| 686 | case 'S' : |
| 687 | /* |
| 688 | ** Write an AIFF style string (no zero terminator but possibly |
| 689 | ** an extra pad byte if the string length is odd). |
| 690 | */ |
| 691 | strptr = va_arg (argptr, char *) ; |
| 692 | size = strlen (strptr) ; |
| 693 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 694 | header_put_be_int (psf, size) ; |
| 695 | else |
| 696 | header_put_le_int (psf, size) ; |
| 697 | memcpy (&(psf->header [psf->headindex]), strptr, size + 1) ; |
| 698 | size += (size & 1) ; |
| 699 | psf->headindex += size ; |
| 700 | psf->header [psf->headindex] = 0 ; |
| 701 | count += 4 + size ; |
| 702 | break ; |
| 703 | |
| 704 | case 'b' : |
| 705 | bindata = va_arg (argptr, void *) ; |
| 706 | size = va_arg (argptr, size_t) ; |
| 707 | memcpy (&(psf->header [psf->headindex]), bindata, size) ; |
| 708 | psf->headindex += size ; |
| 709 | count += size ; |
| 710 | break ; |
| 711 | |
| 712 | case 'z' : |
| 713 | size = va_arg (argptr, size_t) ; |
| 714 | count += size ; |
| 715 | while (size) |
| 716 | { psf->header [psf->headindex] = 0 ; |
| 717 | psf->headindex ++ ; |
| 718 | size -- ; |
| 719 | } ; |
| 720 | break ; |
| 721 | |
| 722 | case 'h' : |
| 723 | bindata = va_arg (argptr, void *) ; |
| 724 | memcpy (&(psf->header [psf->headindex]), bindata, 16) ; |
| 725 | psf->headindex += 16 ; |
| 726 | count += 16 ; |
| 727 | break ; |
| 728 | |
| 729 | case 'j' : |
| 730 | size = va_arg (argptr, size_t) ; |
| 731 | psf->headindex += size ; |
| 732 | count = size ; |
| 733 | break ; |
| 734 | |
| 735 | default : |
| 736 | psf_log_printf (psf, "*** Invalid format specifier `%c'\n", c) ; |
| 737 | psf->error = SFE_INTERNAL ; |
| 738 | break ; |
| 739 | } ; |
| 740 | } ; |
| 741 | |
| 742 | va_end (argptr) ; |
| 743 | return count ; |
| 744 | } /* psf_binheader_writef */ |
| 745 | |
| 746 | /*----------------------------------------------------------------------------------------------- |
| 747 | ** Binary header reading functions. Returns number of bytes read. |
| 748 | ** |
| 749 | ** Format specifiers are the same as for header write function above with the following |
| 750 | ** additions: |
| 751 | ** |
| 752 | ** p - jump a given number of position from start of file. |
| 753 | ** |
| 754 | ** If format is NULL, psf_binheader_readf returns the current offset. |
| 755 | */ |
| 756 | |
| 757 | #if (CPU_IS_BIG_ENDIAN == 1) |
| 758 | #define GET_MARKER(ptr) ( ((ptr) [0] << 24) | ((ptr) [1] << 16) | \ |
| 759 | ((ptr) [2] << 8) | ((ptr) [3]) ) |
| 760 | |
| 761 | #elif (CPU_IS_LITTLE_ENDIAN == 1) |
| 762 | #define GET_MARKER(ptr) ( ((ptr) [0]) | ((ptr) [1] << 8) | \ |
| 763 | ((ptr) [2] << 16) | ((ptr) [3] << 24) ) |
| 764 | |
| 765 | #else |
| 766 | # error "Cannot determine endian-ness of processor." |
| 767 | #endif |
| 768 | |
| 769 | #define GET_LE_SHORT(ptr) ( ((ptr) [1] << 8) | ((ptr) [0]) ) |
| 770 | #define GET_BE_SHORT(ptr) ( ((ptr) [0] << 8) | ((ptr) [1]) ) |
| 771 | |
| 772 | #define GET_LE_3BYTE(ptr) ( ((ptr) [2] << 16) | ((ptr) [1] << 8) | ((ptr) [0]) ) |
| 773 | #define GET_BE_3BYTE(ptr) ( ((ptr) [0] << 16) | ((ptr) [1] << 8) | ((ptr) [2]) ) |
| 774 | |
| 775 | #define GET_LE_INT(ptr) ( ((ptr) [3] << 24) | ((ptr) [2] << 16) | \ |
| 776 | ((ptr) [1] << 8) | ((ptr) [0]) ) |
| 777 | |
| 778 | #define GET_BE_INT(ptr) ( ((ptr) [0] << 24) | ((ptr) [1] << 16) | \ |
| 779 | ((ptr) [2] << 8) | ((ptr) [3]) ) |
| 780 | |
| 781 | #define GET_LE_8BYTE(ptr) ( (((sf_count_t) (ptr) [7]) << 56) | (((sf_count_t) (ptr) [6]) << 48) | \ |
| 782 | (((sf_count_t) (ptr) [5]) << 40) | (((sf_count_t) (ptr) [4]) << 32) | \ |
| 783 | (((sf_count_t) (ptr) [3]) << 24) | (((sf_count_t) (ptr) [2]) << 16) | \ |
| 784 | (((sf_count_t) (ptr) [1]) << 8 ) | ((ptr) [0])) |
| 785 | |
| 786 | #define GET_BE_8BYTE(ptr) ( (((sf_count_t) (ptr) [0]) << 56) | (((sf_count_t) (ptr) [1]) << 48) | \ |
| 787 | (((sf_count_t) (ptr) [2]) << 40) | (((sf_count_t) (ptr) [3]) << 32) | \ |
| 788 | (((sf_count_t) (ptr) [4]) << 24) | (((sf_count_t) (ptr) [5]) << 16) | \ |
| 789 | (((sf_count_t) (ptr) [6]) << 8 ) | ((ptr) [7])) |
| 790 | |
| 791 | |
| 792 | |
| 793 | static int |
| 794 | header_read (SF_PRIVATE *psf, void *ptr, int bytes) |
| 795 | { int count = 0 ; |
| 796 | |
| 797 | if (psf->headindex >= SIGNED_SIZEOF (psf->header)) |
| 798 | { memset (ptr, 0, SIGNED_SIZEOF (psf->header) - psf->headindex) ; |
| 799 | |
| 800 | /* This is the best that we can do. */ |
| 801 | psf_fseek (psf, bytes, SEEK_CUR) ; |
| 802 | return bytes ; |
| 803 | } ; |
| 804 | |
| 805 | if (psf->headindex + bytes > SIGNED_SIZEOF (psf->header)) |
| 806 | { int most ; |
| 807 | |
| 808 | most = SIGNED_SIZEOF (psf->header) - psf->headindex ; |
| 809 | psf_fread (psf->header + psf->headend, 1, most, psf) ; |
| 810 | memset ((char *) ptr + most, 0, bytes - most) ; |
| 811 | |
| 812 | psf_fseek (psf, bytes - most, SEEK_CUR) ; |
| 813 | return bytes ; |
| 814 | } ; |
| 815 | |
| 816 | if (psf->headindex + bytes > psf->headend) |
| 817 | { count = psf_fread (psf->header + psf->headend, 1, bytes - (psf->headend - psf->headindex), psf) ; |
| 818 | if (count != bytes - (int) (psf->headend - psf->headindex)) |
| 819 | { psf_log_printf (psf, "Error : psf_fread returned short count.\n") ; |
| 820 | return 0 ; |
| 821 | } ; |
| 822 | psf->headend += count ; |
| 823 | } ; |
| 824 | |
| 825 | memcpy (ptr, psf->header + psf->headindex, bytes) ; |
| 826 | psf->headindex += bytes ; |
| 827 | |
| 828 | return bytes ; |
| 829 | } /* header_read */ |
| 830 | |
| 831 | static void |
| 832 | header_seek (SF_PRIVATE *psf, sf_count_t position, int whence) |
| 833 | { |
| 834 | |
| 835 | switch (whence) |
| 836 | { case SEEK_SET : |
| 837 | if (position > SIGNED_SIZEOF (psf->header)) |
| 838 | { /* Too much header to cache so just seek instead. */ |
| 839 | psf_fseek (psf, position, whence) ; |
| 840 | return ; |
| 841 | } ; |
| 842 | if (position > psf->headend) |
| 843 | psf->headend += psf_fread (psf->header + psf->headend, 1, position - psf->headend, psf) ; |
| 844 | psf->headindex = position ; |
| 845 | break ; |
| 846 | |
| 847 | case SEEK_CUR : |
| 848 | if (psf->headindex + position < 0) |
| 849 | break ; |
| 850 | |
| 851 | if (psf->headindex >= SIGNED_SIZEOF (psf->header)) |
| 852 | { psf_fseek (psf, position, whence) ; |
| 853 | return ; |
| 854 | } ; |
| 855 | |
| 856 | if (psf->headindex + position <= psf->headend) |
| 857 | { psf->headindex += position ; |
| 858 | break ; |
| 859 | } ; |
| 860 | |
| 861 | if (psf->headindex + position > SIGNED_SIZEOF (psf->header)) |
| 862 | { /* Need to jump this without caching it. */ |
| 863 | psf->headindex = psf->headend ; |
| 864 | psf_fseek (psf, position, SEEK_CUR) ; |
| 865 | break ; |
| 866 | } ; |
| 867 | |
| 868 | psf->headend += psf_fread (psf->header + psf->headend, 1, position - (psf->headend - psf->headindex), psf) ; |
| 869 | psf->headindex = psf->headend ; |
| 870 | break ; |
| 871 | |
| 872 | case SEEK_END : |
| 873 | default : |
| 874 | psf_log_printf (psf, "Bad whence param in header_seek().\n") ; |
| 875 | break ; |
| 876 | } ; |
| 877 | |
| 878 | return ; |
| 879 | } /* header_seek */ |
| 880 | |
| 881 | static int |
| 882 | header_gets (SF_PRIVATE *psf, char *ptr, int bufsize) |
| 883 | { |
| 884 | int k ; |
| 885 | |
| 886 | for (k = 0 ; k < bufsize - 1 ; k++) |
| 887 | { if (psf->headindex < psf->headend) |
| 888 | { ptr [k] = psf->header [psf->headindex] ; |
| 889 | psf->headindex ++ ; |
| 890 | } |
| 891 | else |
| 892 | { psf->headend += psf_fread (psf->header + psf->headend, 1, 1, psf) ; |
| 893 | ptr [k] = psf->header [psf->headindex] ; |
| 894 | psf->headindex = psf->headend ; |
| 895 | } ; |
| 896 | |
| 897 | if (ptr [k] == '\n') |
| 898 | break ; |
| 899 | } ; |
| 900 | |
| 901 | ptr [k] = 0 ; |
| 902 | |
| 903 | return k ; |
| 904 | } /* header_gets */ |
| 905 | |
| 906 | int |
| 907 | psf_binheader_readf (SF_PRIVATE *psf, char const *format, ...) |
| 908 | { va_list argptr ; |
| 909 | sf_count_t *countptr, countdata ; |
| 910 | unsigned char *ucptr, sixteen_bytes [16] ; |
| 911 | unsigned int *intptr, intdata ; |
| 912 | unsigned short *shortptr ; |
| 913 | char *charptr ; |
| 914 | float *floatptr ; |
| 915 | double *doubleptr ; |
| 916 | char c ; |
| 917 | int byte_count = 0, count ; |
| 918 | |
| 919 | if (! format) |
| 920 | return psf_ftell (psf) ; |
| 921 | |
| 922 | va_start (argptr, format) ; |
| 923 | |
| 924 | while ((c = *format++)) |
| 925 | { switch (c) |
| 926 | { case 'e' : /* All conversions are now from LE to host. */ |
| 927 | psf->rwf_endian = SF_ENDIAN_LITTLE ; |
| 928 | break ; |
| 929 | |
| 930 | case 'E' : /* All conversions are now from BE to host. */ |
| 931 | psf->rwf_endian = SF_ENDIAN_BIG ; |
| 932 | break ; |
| 933 | |
| 934 | case 'm' : |
| 935 | intptr = va_arg (argptr, unsigned int*) ; |
| 936 | ucptr = (unsigned char*) intptr ; |
| 937 | byte_count += header_read (psf, ucptr, sizeof (int)) ; |
| 938 | *intptr = GET_MARKER (ucptr) ; |
| 939 | break ; |
| 940 | |
| 941 | case 'h' : |
| 942 | intptr = va_arg (argptr, unsigned int*) ; |
| 943 | ucptr = (unsigned char*) intptr ; |
| 944 | byte_count += header_read (psf, sixteen_bytes, sizeof (sixteen_bytes)) ; |
| 945 | { int k ; |
| 946 | intdata = 0 ; |
| 947 | for (k = 0 ; k < 16 ; k++) |
| 948 | intdata ^= sixteen_bytes [k] << k ; |
| 949 | } |
| 950 | *intptr = intdata ; |
| 951 | break ; |
| 952 | |
| 953 | case '1' : |
| 954 | charptr = va_arg (argptr, char*) ; |
| 955 | *charptr = 0 ; |
| 956 | byte_count += header_read (psf, charptr, sizeof (char)) ; |
| 957 | break ; |
| 958 | |
| 959 | case '2' : |
| 960 | shortptr = va_arg (argptr, unsigned short*) ; |
| 961 | *shortptr = 0 ; |
| 962 | ucptr = (unsigned char*) shortptr ; |
| 963 | byte_count += header_read (psf, ucptr, sizeof (short)) ; |
| 964 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 965 | *shortptr = GET_BE_SHORT (ucptr) ; |
| 966 | else |
| 967 | *shortptr = GET_LE_SHORT (ucptr) ; |
| 968 | break ; |
| 969 | |
| 970 | case '3' : |
| 971 | intptr = va_arg (argptr, unsigned int*) ; |
| 972 | *intptr = 0 ; |
| 973 | byte_count += header_read (psf, sixteen_bytes, 3) ; |
| 974 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 975 | *intptr = GET_BE_3BYTE (sixteen_bytes) ; |
| 976 | else |
| 977 | *intptr = GET_LE_3BYTE (sixteen_bytes) ; |
| 978 | break ; |
| 979 | |
| 980 | case '4' : |
| 981 | intptr = va_arg (argptr, unsigned int*) ; |
| 982 | *intptr = 0 ; |
| 983 | ucptr = (unsigned char*) intptr ; |
| 984 | byte_count += header_read (psf, ucptr, sizeof (int)) ; |
| 985 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 986 | *intptr = GET_BE_INT (ucptr) ; |
| 987 | else |
| 988 | *intptr = GET_LE_INT (ucptr) ; |
| 989 | break ; |
| 990 | |
| 991 | case '8' : |
| 992 | countptr = va_arg (argptr, sf_count_t *) ; |
| 993 | *countptr = 0 ; |
| 994 | byte_count += header_read (psf, sixteen_bytes, 8) ; |
| 995 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 996 | countdata = GET_BE_8BYTE (sixteen_bytes) ; |
| 997 | else |
| 998 | countdata = GET_LE_8BYTE (sixteen_bytes) ; |
| 999 | *countptr = countdata ; |
| 1000 | break ; |
| 1001 | |
| 1002 | case 'f' : /* Float conversion */ |
| 1003 | floatptr = va_arg (argptr, float *) ; |
| 1004 | *floatptr = 0.0 ; |
| 1005 | byte_count += header_read (psf, floatptr, sizeof (float)) ; |
| 1006 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 1007 | *floatptr = float32_be_read ((unsigned char*) floatptr) ; |
| 1008 | else |
| 1009 | *floatptr = float32_le_read ((unsigned char*) floatptr) ; |
| 1010 | break ; |
| 1011 | |
| 1012 | case 'd' : /* double conversion */ |
| 1013 | doubleptr = va_arg (argptr, double *) ; |
| 1014 | *doubleptr = 0.0 ; |
| 1015 | byte_count += header_read (psf, doubleptr, sizeof (double)) ; |
| 1016 | if (psf->rwf_endian == SF_ENDIAN_BIG) |
| 1017 | *doubleptr = double64_be_read ((unsigned char*) doubleptr) ; |
| 1018 | else |
| 1019 | *doubleptr = double64_le_read ((unsigned char*) doubleptr) ; |
| 1020 | break ; |
| 1021 | |
| 1022 | case 's' : |
| 1023 | psf_log_printf (psf, "Format conversion 's' not implemented yet.\n") ; |
| 1024 | /* |
| 1025 | strptr = va_arg (argptr, char *) ; |
| 1026 | size = strlen (strptr) + 1 ; |
| 1027 | size += (size & 1) ; |
| 1028 | longdata = H2LE_INT (size) ; |
| 1029 | get_int (psf, longdata) ; |
| 1030 | memcpy (&(psf->header [psf->headindex]), strptr, size) ; |
| 1031 | psf->headindex += size ; |
| 1032 | */ |
| 1033 | break ; |
| 1034 | |
| 1035 | case 'b' : |
| 1036 | charptr = va_arg (argptr, char*) ; |
| 1037 | count = va_arg (argptr, size_t) ; |
| 1038 | if (count > 0) |
| 1039 | byte_count += header_read (psf, charptr, count) ; |
| 1040 | break ; |
| 1041 | |
| 1042 | case 'G' : |
| 1043 | charptr = va_arg (argptr, char*) ; |
| 1044 | count = va_arg (argptr, size_t) ; |
| 1045 | if (count > 0) |
| 1046 | byte_count += header_gets (psf, charptr, count) ; |
| 1047 | break ; |
| 1048 | |
| 1049 | case 'z' : |
| 1050 | psf_log_printf (psf, "Format conversion 'z' not implemented yet.\n") ; |
| 1051 | /* |
| 1052 | size = va_arg (argptr, size_t) ; |
| 1053 | while (size) |
| 1054 | { psf->header [psf->headindex] = 0 ; |
| 1055 | psf->headindex ++ ; |
| 1056 | size -- ; |
| 1057 | } ; |
| 1058 | */ |
| 1059 | break ; |
| 1060 | |
| 1061 | case 'p' : |
| 1062 | /* Get the seek position first. */ |
| 1063 | count = va_arg (argptr, size_t) ; |
| 1064 | header_seek (psf, count, SEEK_SET) ; |
| 1065 | byte_count = count ; |
| 1066 | break ; |
| 1067 | |
| 1068 | case 'j' : |
| 1069 | /* Get the seek position first. */ |
| 1070 | count = va_arg (argptr, size_t) ; |
| 1071 | header_seek (psf, count, SEEK_CUR) ; |
| 1072 | byte_count += count ; |
| 1073 | break ; |
| 1074 | |
| 1075 | default : |
| 1076 | psf_log_printf (psf, "*** Invalid format specifier `%c'\n", c) ; |
| 1077 | psf->error = SFE_INTERNAL ; |
| 1078 | break ; |
| 1079 | } ; |
| 1080 | } ; |
| 1081 | |
| 1082 | va_end (argptr) ; |
| 1083 | |
| 1084 | return byte_count ; |
| 1085 | } /* psf_binheader_readf */ |
| 1086 | |
| 1087 | /*----------------------------------------------------------------------------------------------- |
| 1088 | */ |
| 1089 | |
| 1090 | sf_count_t |
| 1091 | psf_default_seek (SF_PRIVATE *psf, int UNUSED (mode), sf_count_t samples_from_start) |
| 1092 | { sf_count_t position, retval ; |
| 1093 | |
| 1094 | if (! (psf->blockwidth && psf->dataoffset >= 0)) |
| 1095 | { psf->error = SFE_BAD_SEEK ; |
| 1096 | return PSF_SEEK_ERROR ; |
| 1097 | } ; |
| 1098 | |
| 1099 | if (! psf->sf.seekable) |
| 1100 | { psf->error = SFE_NOT_SEEKABLE ; |
| 1101 | return PSF_SEEK_ERROR ; |
| 1102 | } ; |
| 1103 | |
| 1104 | position = psf->dataoffset + psf->blockwidth * samples_from_start ; |
| 1105 | |
| 1106 | if ((retval = psf_fseek (psf, position, SEEK_SET)) != position) |
| 1107 | { psf->error = SFE_SEEK_FAILED ; |
| 1108 | return PSF_SEEK_ERROR ; |
| 1109 | } ; |
| 1110 | |
| 1111 | return samples_from_start ; |
| 1112 | } /* psf_default_seek */ |
| 1113 | |
| 1114 | /*----------------------------------------------------------------------------------------------- |
| 1115 | */ |
| 1116 | |
| 1117 | void |
| 1118 | psf_hexdump (const void *ptr, int len) |
| 1119 | { const char *data ; |
| 1120 | char ascii [17] ; |
| 1121 | int k, m ; |
| 1122 | |
| 1123 | if ((data = ptr) == NULL) |
| 1124 | return ; |
| 1125 | if (len <= 0) |
| 1126 | return ; |
| 1127 | |
| 1128 | puts ("") ; |
| 1129 | for (k = 0 ; k < len ; k += 16) |
| 1130 | { memset (ascii, ' ', sizeof (ascii)) ; |
| 1131 | |
| 1132 | printf ("%08X: ", k) ; |
| 1133 | for (m = 0 ; m < 16 && k + m < len ; m++) |
| 1134 | { printf (m == 8 ? " %02X " : "%02X ", data [k + m] & 0xFF) ; |
| 1135 | ascii [m] = psf_isprint (data [k + m]) ? data [k + m] : '.' ; |
| 1136 | } ; |
| 1137 | |
| 1138 | if (m <= 8) printf (" ") ; |
| 1139 | for ( ; m < 16 ; m++) printf (" ") ; |
| 1140 | |
| 1141 | ascii [16] = 0 ; |
| 1142 | printf (" %s\n", ascii) ; |
| 1143 | } ; |
| 1144 | |
| 1145 | puts ("") ; |
| 1146 | } /* psf_hexdump */ |
| 1147 | |
| 1148 | void |
| 1149 | psf_log_SF_INFO (SF_PRIVATE *psf) |
| 1150 | { psf_log_printf (psf, "---------------------------------\n") ; |
| 1151 | |
| 1152 | psf_log_printf (psf, " Sample rate : %d\n", psf->sf.samplerate) ; |
| 1153 | psf_log_printf (psf, " Frames : %D\n", psf->sf.frames) ; |
| 1154 | psf_log_printf (psf, " Channels : %d\n", psf->sf.channels) ; |
| 1155 | |
| 1156 | psf_log_printf (psf, " Format : 0x%X\n", psf->sf.format) ; |
| 1157 | psf_log_printf (psf, " Sections : %d\n", psf->sf.sections) ; |
| 1158 | psf_log_printf (psf, " Seekable : %s\n", psf->sf.seekable ? "TRUE" : "FALSE") ; |
| 1159 | |
| 1160 | psf_log_printf (psf, "---------------------------------\n") ; |
| 1161 | } /* psf_dump_SFINFO */ |
| 1162 | |
| 1163 | /*======================================================================================== |
| 1164 | */ |
| 1165 | |
| 1166 | void* |
| 1167 | psf_memset (void *s, int c, sf_count_t len) |
| 1168 | { char *ptr ; |
| 1169 | int setcount ; |
| 1170 | |
| 1171 | ptr = (char *) s ; |
| 1172 | |
| 1173 | while (len > 0) |
| 1174 | { setcount = (len > 0x10000000) ? 0x10000000 : (int) len ; |
| 1175 | |
| 1176 | memset (ptr, c, setcount) ; |
| 1177 | |
| 1178 | ptr += setcount ; |
| 1179 | len -= setcount ; |
| 1180 | } ; |
| 1181 | |
| 1182 | return s ; |
| 1183 | } /* psf_memset */ |
| 1184 | |
| 1185 | SF_INSTRUMENT * |
| 1186 | psf_instrument_alloc (void) |
| 1187 | { SF_INSTRUMENT *instr ; |
| 1188 | |
| 1189 | instr = calloc (1, sizeof (SF_INSTRUMENT)) ; |
| 1190 | |
| 1191 | if (instr == NULL) |
| 1192 | return NULL ; |
| 1193 | |
| 1194 | /* Set non-zero default values. */ |
| 1195 | instr->basenote = -1 ; |
| 1196 | instr->velocity_lo = -1 ; |
| 1197 | instr->velocity_hi = -1 ; |
| 1198 | instr->key_lo = -1 ; |
| 1199 | instr->key_hi = -1 ; |
| 1200 | |
| 1201 | return instr ; |
| 1202 | } /* psf_instrument_alloc */ |
| 1203 | |
| 1204 | void |
| 1205 | psf_sanitize_string (char * cptr, int len) |
| 1206 | { |
| 1207 | do |
| 1208 | { |
| 1209 | len -- ; |
| 1210 | cptr [len] = psf_isprint (cptr [len]) ? cptr [len] : '.' ; |
| 1211 | } |
| 1212 | while (len > 0) ; |
| 1213 | } /* psf_sanitize_string */ |
| 1214 | |
| 1215 | void |
| 1216 | psf_get_date_str (char *str, int maxlen) |
| 1217 | { time_t current ; |
| 1218 | struct tm timedata, *tmptr ; |
| 1219 | |
| 1220 | time (¤t) ; |
| 1221 | |
| 1222 | #if defined (HAVE_GMTIME_R) |
| 1223 | /* If the re-entrant version is available, use it. */ |
| 1224 | tmptr = gmtime_r (¤t, &timedata) ; |
| 1225 | #elif defined (HAVE_GMTIME) |
| 1226 | /* Otherwise use the standard one and copy the data to local storage. */ |
| 1227 | tmptr = gmtime (¤t) ; |
| 1228 | memcpy (&timedata, tmptr, sizeof (timedata)) ; |
| 1229 | #else |
| 1230 | tmptr = NULL ; |
| 1231 | #endif |
| 1232 | |
| 1233 | if (tmptr) |
| 1234 | snprintf (str, maxlen, "%4d-%02d-%02d %02d:%02d:%02d UTC", |
| 1235 | 1900 + timedata.tm_year, timedata.tm_mon, timedata.tm_mday, |
| 1236 | timedata.tm_hour, timedata.tm_min, timedata.tm_sec) ; |
| 1237 | else |
| 1238 | snprintf (str, maxlen, "Unknown date") ; |
| 1239 | |
| 1240 | return ; |
| 1241 | } /* psf_get_date_str */ |
| 1242 | |
| 1243 | int |
| 1244 | subformat_to_bytewidth (int format) |
| 1245 | { |
| 1246 | switch (format) |
| 1247 | { case SF_FORMAT_PCM_U8 : |
| 1248 | case SF_FORMAT_PCM_S8 : |
| 1249 | return 1 ; |
| 1250 | case SF_FORMAT_PCM_16 : |
| 1251 | return 2 ; |
| 1252 | case SF_FORMAT_PCM_24 : |
| 1253 | return 3 ; |
| 1254 | case SF_FORMAT_PCM_32 : |
| 1255 | case SF_FORMAT_FLOAT : |
| 1256 | return 4 ; |
| 1257 | case SF_FORMAT_DOUBLE : |
| 1258 | return 8 ; |
| 1259 | } ; |
| 1260 | |
| 1261 | return 0 ; |
| 1262 | } /* subformat_to_bytewidth */ |
| 1263 | |
| 1264 | int |
| 1265 | s_bitwidth_to_subformat (int bits) |
| 1266 | { static int array [] = |
| 1267 | { SF_FORMAT_PCM_S8, SF_FORMAT_PCM_16, SF_FORMAT_PCM_24, SF_FORMAT_PCM_32 |
| 1268 | } ; |
| 1269 | |
| 1270 | if (bits < 8 || bits > 32) |
| 1271 | return 0 ; |
| 1272 | |
| 1273 | return array [((bits + 7) / 8) - 1] ; |
| 1274 | } /* bitwidth_to_subformat */ |
| 1275 | |
| 1276 | int |
| 1277 | u_bitwidth_to_subformat (int bits) |
| 1278 | { static int array [] = |
| 1279 | { SF_FORMAT_PCM_U8, SF_FORMAT_PCM_16, SF_FORMAT_PCM_24, SF_FORMAT_PCM_32 |
| 1280 | } ; |
| 1281 | |
| 1282 | if (bits < 8 || bits > 32) |
| 1283 | return 0 ; |
| 1284 | |
| 1285 | return array [((bits + 7) / 8) - 1] ; |
| 1286 | } /* bitwidth_to_subformat */ |
| 1287 | |
| 1288 | /* |
| 1289 | ** psf_rand_int32 : Not crypto quality, but more than adequate for things |
| 1290 | ** like stream serial numbers in Ogg files or the unique_id field of the |
| 1291 | ** SF_PRIVATE struct. |
| 1292 | */ |
| 1293 | |
| 1294 | int32_t |
| 1295 | psf_rand_int32 (void) |
| 1296 | { static int32_t value = -1 ; |
| 1297 | int k, count ; |
| 1298 | |
| 1299 | if (value == -1) |
| 1300 | { |
| 1301 | #if HAVE_GETTIMEOFDAY |
| 1302 | struct timeval tv ; |
| 1303 | gettimeofday (&tv, NULL) ; |
| 1304 | value = tv.tv_sec + tv.tv_usec ; |
| 1305 | #else |
| 1306 | value = time (NULL) ; |
| 1307 | #endif |
| 1308 | } ; |
| 1309 | |
| 1310 | count = 4 + (value & 7) ; |
| 1311 | for (k = 0 ; k < count ; k++) |
| 1312 | value = 11117 * value + 211231 ; |
| 1313 | |
| 1314 | return value ; |
| 1315 | } /* psf_rand_int32 */ |
| 1316 | |
| 1317 | void |
| 1318 | append_snprintf (char * dest, size_t maxlen, const char * fmt, ...) |
| 1319 | { size_t len = strlen (dest) ; |
| 1320 | |
| 1321 | if (len < maxlen) |
| 1322 | { va_list ap ; |
| 1323 | |
| 1324 | va_start (ap, fmt) ; |
| 1325 | vsnprintf (dest + len, maxlen - len, fmt, ap) ; |
| 1326 | va_end (ap) ; |
| 1327 | } ; |
| 1328 | |
| 1329 | return ; |
| 1330 | } /* append_snprintf */ |
| 1331 | |
| 1332 | |
| 1333 | void |
| 1334 | psf_strlcpy_crlf (char *dest, const char *src, size_t destmax, size_t srcmax) |
| 1335 | { /* Must be minus 2 so it can still expand a single trailing '\n' or '\r'. */ |
| 1336 | char * destend = dest + destmax - 2 ; |
| 1337 | const char * srcend = src + srcmax ; |
| 1338 | |
| 1339 | while (dest < destend && src < srcend) |
| 1340 | { if ((src [0] == '\r' && src [1] == '\n') || (src [0] == '\n' && src [1] == '\r')) |
| 1341 | { *dest++ = '\r' ; |
| 1342 | *dest++ = '\n' ; |
| 1343 | src += 2 ; |
| 1344 | continue ; |
| 1345 | } ; |
| 1346 | |
| 1347 | if (src [0] == '\r') |
| 1348 | { *dest++ = '\r' ; |
| 1349 | *dest++ = '\n' ; |
| 1350 | src += 1 ; |
| 1351 | continue ; |
| 1352 | } ; |
| 1353 | |
| 1354 | if (src [0] == '\n') |
| 1355 | { *dest++ = '\r' ; |
| 1356 | *dest++ = '\n' ; |
| 1357 | src += 1 ; |
| 1358 | continue ; |
| 1359 | } ; |
| 1360 | |
| 1361 | *dest++ = *src++ ; |
| 1362 | } ; |
| 1363 | |
| 1364 | /* Make sure dest is terminated. */ |
| 1365 | *dest = 0 ; |
| 1366 | } /* psf_strlcpy_crlf */ |
| 1367 | |
| 1368 | /*============================================================================== |
| 1369 | */ |
| 1370 | |
| 1371 | #define CASE_NAME(x) case x : return #x ; break ; |
| 1372 | |
| 1373 | const char * |
| 1374 | str_of_major_format (int format) |
| 1375 | { switch (SF_CONTAINER (format)) |
| 1376 | { CASE_NAME (SF_FORMAT_WAV) ; |
| 1377 | CASE_NAME (SF_FORMAT_AIFF) ; |
| 1378 | CASE_NAME (SF_FORMAT_AU) ; |
| 1379 | CASE_NAME (SF_FORMAT_RAW) ; |
| 1380 | CASE_NAME (SF_FORMAT_PAF) ; |
| 1381 | CASE_NAME (SF_FORMAT_SVX) ; |
| 1382 | CASE_NAME (SF_FORMAT_NIST) ; |
| 1383 | CASE_NAME (SF_FORMAT_VOC) ; |
| 1384 | CASE_NAME (SF_FORMAT_IRCAM) ; |
| 1385 | CASE_NAME (SF_FORMAT_W64) ; |
| 1386 | CASE_NAME (SF_FORMAT_MAT4) ; |
| 1387 | CASE_NAME (SF_FORMAT_MAT5) ; |
| 1388 | CASE_NAME (SF_FORMAT_PVF) ; |
| 1389 | CASE_NAME (SF_FORMAT_XI) ; |
| 1390 | CASE_NAME (SF_FORMAT_HTK) ; |
| 1391 | CASE_NAME (SF_FORMAT_SDS) ; |
| 1392 | CASE_NAME (SF_FORMAT_AVR) ; |
| 1393 | CASE_NAME (SF_FORMAT_WAVEX) ; |
| 1394 | CASE_NAME (SF_FORMAT_SD2) ; |
| 1395 | CASE_NAME (SF_FORMAT_FLAC) ; |
| 1396 | CASE_NAME (SF_FORMAT_CAF) ; |
| 1397 | CASE_NAME (SF_FORMAT_WVE) ; |
| 1398 | CASE_NAME (SF_FORMAT_OGG) ; |
| 1399 | default : |
| 1400 | break ; |
| 1401 | } ; |
| 1402 | |
| 1403 | return "BAD_MAJOR_FORMAT" ; |
| 1404 | } /* str_of_major_format */ |
| 1405 | |
| 1406 | const char * |
| 1407 | str_of_minor_format (int format) |
| 1408 | { switch (SF_CODEC (format)) |
| 1409 | { CASE_NAME (SF_FORMAT_PCM_S8) ; |
| 1410 | CASE_NAME (SF_FORMAT_PCM_16) ; |
| 1411 | CASE_NAME (SF_FORMAT_PCM_24) ; |
| 1412 | CASE_NAME (SF_FORMAT_PCM_32) ; |
| 1413 | CASE_NAME (SF_FORMAT_PCM_U8) ; |
| 1414 | CASE_NAME (SF_FORMAT_FLOAT) ; |
| 1415 | CASE_NAME (SF_FORMAT_DOUBLE) ; |
| 1416 | CASE_NAME (SF_FORMAT_ULAW) ; |
| 1417 | CASE_NAME (SF_FORMAT_ALAW) ; |
| 1418 | CASE_NAME (SF_FORMAT_IMA_ADPCM) ; |
| 1419 | CASE_NAME (SF_FORMAT_MS_ADPCM) ; |
| 1420 | CASE_NAME (SF_FORMAT_GSM610) ; |
| 1421 | CASE_NAME (SF_FORMAT_VOX_ADPCM) ; |
| 1422 | CASE_NAME (SF_FORMAT_G721_32) ; |
| 1423 | CASE_NAME (SF_FORMAT_G723_24) ; |
| 1424 | CASE_NAME (SF_FORMAT_G723_40) ; |
| 1425 | CASE_NAME (SF_FORMAT_DWVW_12) ; |
| 1426 | CASE_NAME (SF_FORMAT_DWVW_16) ; |
| 1427 | CASE_NAME (SF_FORMAT_DWVW_24) ; |
| 1428 | CASE_NAME (SF_FORMAT_DWVW_N) ; |
| 1429 | CASE_NAME (SF_FORMAT_DPCM_8) ; |
| 1430 | CASE_NAME (SF_FORMAT_DPCM_16) ; |
| 1431 | CASE_NAME (SF_FORMAT_VORBIS) ; |
| 1432 | default : |
| 1433 | break ; |
| 1434 | } ; |
| 1435 | |
| 1436 | return "BAD_MINOR_FORMAT" ; |
| 1437 | } /* str_of_minor_format */ |
| 1438 | |
| 1439 | const char * |
| 1440 | str_of_open_mode (int mode) |
| 1441 | { switch (mode) |
| 1442 | { CASE_NAME (SFM_READ) ; |
| 1443 | CASE_NAME (SFM_WRITE) ; |
| 1444 | CASE_NAME (SFM_RDWR) ; |
| 1445 | |
| 1446 | default : |
| 1447 | break ; |
| 1448 | } ; |
| 1449 | |
| 1450 | return "BAD_MODE" ; |
| 1451 | } /* str_of_open_mode */ |
| 1452 | |
| 1453 | const char * |
| 1454 | str_of_endianness (int end) |
| 1455 | { switch (end) |
| 1456 | { CASE_NAME (SF_ENDIAN_BIG) ; |
| 1457 | CASE_NAME (SF_ENDIAN_LITTLE) ; |
| 1458 | CASE_NAME (SF_ENDIAN_CPU) ; |
| 1459 | default : |
| 1460 | break ; |
| 1461 | } ; |
| 1462 | |
| 1463 | /* Zero length string for SF_ENDIAN_FILE. */ |
| 1464 | return "" ; |
| 1465 | } /* str_of_endianness */ |