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 "sfconfig.h" |
| 20 | |
| 21 | #include <math.h> |
| 22 | |
| 23 | #include "sndfile.h" |
| 24 | #include "sfendian.h" |
| 25 | #include "common.h" |
| 26 | |
| 27 | /* Need to be able to handle 3 byte (24 bit) integers. So defined a |
| 28 | ** type and use SIZEOF_TRIBYTE instead of (tribyte). |
| 29 | */ |
| 30 | |
| 31 | typedef void tribyte ; |
| 32 | |
| 33 | #define SIZEOF_TRIBYTE 3 |
| 34 | |
| 35 | static sf_count_t pcm_read_sc2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 36 | static sf_count_t pcm_read_uc2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 37 | static sf_count_t pcm_read_bes2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 38 | static sf_count_t pcm_read_les2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 39 | static sf_count_t pcm_read_bet2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 40 | static sf_count_t pcm_read_let2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 41 | static sf_count_t pcm_read_bei2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 42 | static sf_count_t pcm_read_lei2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) ; |
| 43 | |
| 44 | static sf_count_t pcm_read_sc2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 45 | static sf_count_t pcm_read_uc2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 46 | static sf_count_t pcm_read_bes2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 47 | static sf_count_t pcm_read_les2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 48 | static sf_count_t pcm_read_bet2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 49 | static sf_count_t pcm_read_let2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 50 | static sf_count_t pcm_read_bei2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 51 | static sf_count_t pcm_read_lei2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) ; |
| 52 | |
| 53 | static sf_count_t pcm_read_sc2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 54 | static sf_count_t pcm_read_uc2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 55 | static sf_count_t pcm_read_bes2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 56 | static sf_count_t pcm_read_les2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 57 | static sf_count_t pcm_read_bet2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 58 | static sf_count_t pcm_read_let2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 59 | static sf_count_t pcm_read_bei2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 60 | static sf_count_t pcm_read_lei2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) ; |
| 61 | |
| 62 | static sf_count_t pcm_read_sc2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 63 | static sf_count_t pcm_read_uc2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 64 | static sf_count_t pcm_read_bes2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 65 | static sf_count_t pcm_read_les2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 66 | static sf_count_t pcm_read_bet2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 67 | static sf_count_t pcm_read_let2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 68 | static sf_count_t pcm_read_bei2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 69 | static sf_count_t pcm_read_lei2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) ; |
| 70 | |
| 71 | static sf_count_t pcm_write_s2sc (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 72 | static sf_count_t pcm_write_s2uc (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 73 | static sf_count_t pcm_write_s2bes (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 74 | static sf_count_t pcm_write_s2les (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 75 | static sf_count_t pcm_write_s2bet (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 76 | static sf_count_t pcm_write_s2let (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 77 | static sf_count_t pcm_write_s2bei (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 78 | static sf_count_t pcm_write_s2lei (SF_PRIVATE *psf, const short *ptr, sf_count_t len) ; |
| 79 | |
| 80 | static sf_count_t pcm_write_i2sc (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 81 | static sf_count_t pcm_write_i2uc (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 82 | static sf_count_t pcm_write_i2bes (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 83 | static sf_count_t pcm_write_i2les (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 84 | static sf_count_t pcm_write_i2bet (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 85 | static sf_count_t pcm_write_i2let (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 86 | static sf_count_t pcm_write_i2bei (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 87 | static sf_count_t pcm_write_i2lei (SF_PRIVATE *psf, const int *ptr, sf_count_t len) ; |
| 88 | |
| 89 | static sf_count_t pcm_write_f2sc (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 90 | static sf_count_t pcm_write_f2uc (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 91 | static sf_count_t pcm_write_f2bes (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 92 | static sf_count_t pcm_write_f2les (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 93 | static sf_count_t pcm_write_f2bet (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 94 | static sf_count_t pcm_write_f2let (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 95 | static sf_count_t pcm_write_f2bei (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 96 | static sf_count_t pcm_write_f2lei (SF_PRIVATE *psf, const float *ptr, sf_count_t len) ; |
| 97 | |
| 98 | static sf_count_t pcm_write_d2sc (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 99 | static sf_count_t pcm_write_d2uc (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 100 | static sf_count_t pcm_write_d2bes (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 101 | static sf_count_t pcm_write_d2les (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 102 | static sf_count_t pcm_write_d2bet (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 103 | static sf_count_t pcm_write_d2let (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 104 | static sf_count_t pcm_write_d2bei (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 105 | static sf_count_t pcm_write_d2lei (SF_PRIVATE *psf, const double *ptr, sf_count_t len) ; |
| 106 | |
| 107 | /*----------------------------------------------------------------------------------------------- |
| 108 | */ |
| 109 | |
| 110 | enum |
| 111 | { /* Char type for 8 bit files. */ |
| 112 | SF_CHARS_SIGNED = 200, |
| 113 | SF_CHARS_UNSIGNED = 201 |
| 114 | } ; |
| 115 | |
| 116 | /*----------------------------------------------------------------------------------------------- |
| 117 | */ |
| 118 | |
| 119 | int |
| 120 | pcm_init (SF_PRIVATE *psf) |
| 121 | { int chars = 0 ; |
| 122 | |
| 123 | if (psf->bytewidth == 0 || psf->sf.channels == 0) |
| 124 | { psf_log_printf (psf, "pcm_init : internal error : bytewitdh = %d, channels = %d\n", psf->bytewidth, psf->sf.channels) ; |
| 125 | return SFE_INTERNAL ; |
| 126 | } ; |
| 127 | |
| 128 | psf->blockwidth = psf->bytewidth * psf->sf.channels ; |
| 129 | |
| 130 | if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_PCM_S8) |
| 131 | chars = SF_CHARS_SIGNED ; |
| 132 | else if ((SF_CODEC (psf->sf.format)) == SF_FORMAT_PCM_U8) |
| 133 | chars = SF_CHARS_UNSIGNED ; |
| 134 | |
| 135 | if (CPU_IS_BIG_ENDIAN) |
| 136 | psf->data_endswap = (psf->endian == SF_ENDIAN_BIG) ? SF_FALSE : SF_TRUE ; |
| 137 | else |
| 138 | psf->data_endswap = (psf->endian == SF_ENDIAN_LITTLE) ? SF_FALSE : SF_TRUE ; |
| 139 | |
| 140 | if (psf->file.mode == SFM_READ || psf->file.mode == SFM_RDWR) |
| 141 | { switch (psf->bytewidth * 0x10000 + psf->endian + chars) |
| 142 | { case (0x10000 + SF_ENDIAN_BIG + SF_CHARS_SIGNED) : |
| 143 | case (0x10000 + SF_ENDIAN_LITTLE + SF_CHARS_SIGNED) : |
| 144 | psf->read_short = pcm_read_sc2s ; |
| 145 | psf->read_int = pcm_read_sc2i ; |
| 146 | psf->read_float = pcm_read_sc2f ; |
| 147 | psf->read_double = pcm_read_sc2d ; |
| 148 | break ; |
| 149 | case (0x10000 + SF_ENDIAN_BIG + SF_CHARS_UNSIGNED) : |
| 150 | case (0x10000 + SF_ENDIAN_LITTLE + SF_CHARS_UNSIGNED) : |
| 151 | psf->read_short = pcm_read_uc2s ; |
| 152 | psf->read_int = pcm_read_uc2i ; |
| 153 | psf->read_float = pcm_read_uc2f ; |
| 154 | psf->read_double = pcm_read_uc2d ; |
| 155 | break ; |
| 156 | |
| 157 | case (2 * 0x10000 + SF_ENDIAN_BIG) : |
| 158 | psf->read_short = pcm_read_bes2s ; |
| 159 | psf->read_int = pcm_read_bes2i ; |
| 160 | psf->read_float = pcm_read_bes2f ; |
| 161 | psf->read_double = pcm_read_bes2d ; |
| 162 | break ; |
| 163 | case (3 * 0x10000 + SF_ENDIAN_BIG) : |
| 164 | psf->read_short = pcm_read_bet2s ; |
| 165 | psf->read_int = pcm_read_bet2i ; |
| 166 | psf->read_float = pcm_read_bet2f ; |
| 167 | psf->read_double = pcm_read_bet2d ; |
| 168 | break ; |
| 169 | case (4 * 0x10000 + SF_ENDIAN_BIG) : |
| 170 | |
| 171 | psf->read_short = pcm_read_bei2s ; |
| 172 | psf->read_int = pcm_read_bei2i ; |
| 173 | psf->read_float = pcm_read_bei2f ; |
| 174 | psf->read_double = pcm_read_bei2d ; |
| 175 | break ; |
| 176 | |
| 177 | case (2 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 178 | psf->read_short = pcm_read_les2s ; |
| 179 | psf->read_int = pcm_read_les2i ; |
| 180 | psf->read_float = pcm_read_les2f ; |
| 181 | psf->read_double = pcm_read_les2d ; |
| 182 | break ; |
| 183 | case (3 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 184 | psf->read_short = pcm_read_let2s ; |
| 185 | psf->read_int = pcm_read_let2i ; |
| 186 | psf->read_float = pcm_read_let2f ; |
| 187 | psf->read_double = pcm_read_let2d ; |
| 188 | break ; |
| 189 | case (4 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 190 | psf->read_short = pcm_read_lei2s ; |
| 191 | psf->read_int = pcm_read_lei2i ; |
| 192 | psf->read_float = pcm_read_lei2f ; |
| 193 | psf->read_double = pcm_read_lei2d ; |
| 194 | break ; |
| 195 | default : |
| 196 | psf_log_printf (psf, "pcm.c returning SFE_UNIMPLEMENTED\nbytewidth %d endian %d\n", psf->bytewidth, psf->endian) ; |
| 197 | return SFE_UNIMPLEMENTED ; |
| 198 | } ; |
| 199 | } ; |
| 200 | |
| 201 | if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| 202 | { switch (psf->bytewidth * 0x10000 + psf->endian + chars) |
| 203 | { case (0x10000 + SF_ENDIAN_BIG + SF_CHARS_SIGNED) : |
| 204 | case (0x10000 + SF_ENDIAN_LITTLE + SF_CHARS_SIGNED) : |
| 205 | psf->write_short = pcm_write_s2sc ; |
| 206 | psf->write_int = pcm_write_i2sc ; |
| 207 | psf->write_float = pcm_write_f2sc ; |
| 208 | psf->write_double = pcm_write_d2sc ; |
| 209 | break ; |
| 210 | case (0x10000 + SF_ENDIAN_BIG + SF_CHARS_UNSIGNED) : |
| 211 | case (0x10000 + SF_ENDIAN_LITTLE + SF_CHARS_UNSIGNED) : |
| 212 | psf->write_short = pcm_write_s2uc ; |
| 213 | psf->write_int = pcm_write_i2uc ; |
| 214 | psf->write_float = pcm_write_f2uc ; |
| 215 | psf->write_double = pcm_write_d2uc ; |
| 216 | break ; |
| 217 | |
| 218 | case (2 * 0x10000 + SF_ENDIAN_BIG) : |
| 219 | psf->write_short = pcm_write_s2bes ; |
| 220 | psf->write_int = pcm_write_i2bes ; |
| 221 | psf->write_float = pcm_write_f2bes ; |
| 222 | psf->write_double = pcm_write_d2bes ; |
| 223 | break ; |
| 224 | |
| 225 | case (3 * 0x10000 + SF_ENDIAN_BIG) : |
| 226 | psf->write_short = pcm_write_s2bet ; |
| 227 | psf->write_int = pcm_write_i2bet ; |
| 228 | psf->write_float = pcm_write_f2bet ; |
| 229 | psf->write_double = pcm_write_d2bet ; |
| 230 | break ; |
| 231 | |
| 232 | case (4 * 0x10000 + SF_ENDIAN_BIG) : |
| 233 | psf->write_short = pcm_write_s2bei ; |
| 234 | psf->write_int = pcm_write_i2bei ; |
| 235 | psf->write_float = pcm_write_f2bei ; |
| 236 | psf->write_double = pcm_write_d2bei ; |
| 237 | break ; |
| 238 | |
| 239 | case (2 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 240 | psf->write_short = pcm_write_s2les ; |
| 241 | psf->write_int = pcm_write_i2les ; |
| 242 | psf->write_float = pcm_write_f2les ; |
| 243 | psf->write_double = pcm_write_d2les ; |
| 244 | break ; |
| 245 | |
| 246 | case (3 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 247 | psf->write_short = pcm_write_s2let ; |
| 248 | psf->write_int = pcm_write_i2let ; |
| 249 | psf->write_float = pcm_write_f2let ; |
| 250 | psf->write_double = pcm_write_d2let ; |
| 251 | break ; |
| 252 | |
| 253 | case (4 * 0x10000 + SF_ENDIAN_LITTLE) : |
| 254 | psf->write_short = pcm_write_s2lei ; |
| 255 | psf->write_int = pcm_write_i2lei ; |
| 256 | psf->write_float = pcm_write_f2lei ; |
| 257 | psf->write_double = pcm_write_d2lei ; |
| 258 | break ; |
| 259 | |
| 260 | default : |
| 261 | psf_log_printf (psf, "pcm.c returning SFE_UNIMPLEMENTED\nbytewidth %s endian %d\n", psf->bytewidth, psf->endian) ; |
| 262 | return SFE_UNIMPLEMENTED ; |
| 263 | } ; |
| 264 | |
| 265 | } ; |
| 266 | |
| 267 | if (psf->filelength > psf->dataoffset) |
| 268 | { psf->datalength = (psf->dataend > 0) ? psf->dataend - psf->dataoffset : |
| 269 | psf->filelength - psf->dataoffset ; |
| 270 | } |
| 271 | else |
| 272 | psf->datalength = 0 ; |
| 273 | |
| 274 | psf->sf.frames = psf->blockwidth > 0 ? psf->datalength / psf->blockwidth : 0 ; |
| 275 | |
| 276 | return 0 ; |
| 277 | } /* pcm_init */ |
| 278 | |
| 279 | /*============================================================================== |
| 280 | */ |
| 281 | |
| 282 | static inline void |
| 283 | sc2s_array (signed char *src, int count, short *dest) |
| 284 | { while (--count >= 0) |
| 285 | { dest [count] = src [count] << 8 ; |
| 286 | } ; |
| 287 | } /* sc2s_array */ |
| 288 | |
| 289 | static inline void |
| 290 | uc2s_array (unsigned char *src, int count, short *dest) |
| 291 | { while (--count >= 0) |
| 292 | { dest [count] = (((short) src [count]) - 0x80) << 8 ; |
| 293 | } ; |
| 294 | } /* uc2s_array */ |
| 295 | |
| 296 | static inline void |
| 297 | let2s_array (tribyte *src, int count, short *dest) |
| 298 | { unsigned char *ucptr ; |
| 299 | |
| 300 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 301 | while (--count >= 0) |
| 302 | { ucptr -= 3 ; |
| 303 | dest [count] = LET2H_SHORT_PTR (ucptr) ; |
| 304 | } ; |
| 305 | } /* let2s_array */ |
| 306 | |
| 307 | static inline void |
| 308 | bet2s_array (tribyte *src, int count, short *dest) |
| 309 | { unsigned char *ucptr ; |
| 310 | |
| 311 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 312 | while (--count >= 0) |
| 313 | { ucptr -= 3 ; |
| 314 | dest [count] = BET2H_SHORT_PTR (ucptr) ; |
| 315 | } ; |
| 316 | } /* bet2s_array */ |
| 317 | |
| 318 | static inline void |
| 319 | lei2s_array (int *src, int count, short *dest) |
| 320 | { int value ; |
| 321 | |
| 322 | while (--count >= 0) |
| 323 | { value = LEI2H_INT (src [count]) ; |
| 324 | dest [count] = value >> 16 ; |
| 325 | } ; |
| 326 | } /* lei2s_array */ |
| 327 | |
| 328 | static inline void |
| 329 | bei2s_array (int *src, int count, short *dest) |
| 330 | { int value ; |
| 331 | |
| 332 | while (--count >= 0) |
| 333 | { value = BEI2H_INT (src [count]) ; |
| 334 | dest [count] = value >> 16 ; |
| 335 | } ; |
| 336 | } /* bei2s_array */ |
| 337 | |
| 338 | /*-------------------------------------------------------------------------- |
| 339 | */ |
| 340 | |
| 341 | static inline void |
| 342 | sc2i_array (signed char *src, int count, int *dest) |
| 343 | { while (--count >= 0) |
| 344 | { dest [count] = ((int) src [count]) << 24 ; |
| 345 | } ; |
| 346 | } /* sc2i_array */ |
| 347 | |
| 348 | static inline void |
| 349 | uc2i_array (unsigned char *src, int count, int *dest) |
| 350 | { while (--count >= 0) |
| 351 | { dest [count] = (((int) src [count]) - 128) << 24 ; |
| 352 | } ; |
| 353 | } /* uc2i_array */ |
| 354 | |
| 355 | static inline void |
| 356 | bes2i_array (short *src, int count, int *dest) |
| 357 | { short value ; |
| 358 | |
| 359 | while (--count >= 0) |
| 360 | { value = BES2H_SHORT (src [count]) ; |
| 361 | dest [count] = value << 16 ; |
| 362 | } ; |
| 363 | } /* bes2i_array */ |
| 364 | |
| 365 | static inline void |
| 366 | les2i_array (short *src, int count, int *dest) |
| 367 | { short value ; |
| 368 | |
| 369 | while (--count >= 0) |
| 370 | { value = LES2H_SHORT (src [count]) ; |
| 371 | dest [count] = value << 16 ; |
| 372 | } ; |
| 373 | } /* les2i_array */ |
| 374 | |
| 375 | static inline void |
| 376 | bet2i_array (tribyte *src, int count, int *dest) |
| 377 | { unsigned char *ucptr ; |
| 378 | |
| 379 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 380 | while (--count >= 0) |
| 381 | { ucptr -= 3 ; |
| 382 | dest [count] = BET2H_INT_PTR (ucptr) ; |
| 383 | } ; |
| 384 | } /* bet2i_array */ |
| 385 | |
| 386 | static inline void |
| 387 | let2i_array (tribyte *src, int count, int *dest) |
| 388 | { unsigned char *ucptr ; |
| 389 | |
| 390 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 391 | while (--count >= 0) |
| 392 | { ucptr -= 3 ; |
| 393 | dest [count] = LET2H_INT_PTR (ucptr) ; |
| 394 | } ; |
| 395 | } /* let2i_array */ |
| 396 | |
| 397 | /*-------------------------------------------------------------------------- |
| 398 | */ |
| 399 | |
| 400 | static inline void |
| 401 | sc2f_array (signed char *src, int count, float *dest, float normfact) |
| 402 | { while (--count >= 0) |
| 403 | dest [count] = ((float) src [count]) * normfact ; |
| 404 | } /* sc2f_array */ |
| 405 | |
| 406 | static inline void |
| 407 | uc2f_array (unsigned char *src, int count, float *dest, float normfact) |
| 408 | { while (--count >= 0) |
| 409 | dest [count] = (((int) src [count]) - 128) * normfact ; |
| 410 | } /* uc2f_array */ |
| 411 | |
| 412 | static inline void |
| 413 | les2f_array (short *src, int count, float *dest, float normfact) |
| 414 | { short value ; |
| 415 | |
| 416 | while (--count >= 0) |
| 417 | { value = src [count] ; |
| 418 | value = LES2H_SHORT (value) ; |
| 419 | dest [count] = ((float) value) * normfact ; |
| 420 | } ; |
| 421 | } /* les2f_array */ |
| 422 | |
| 423 | static inline void |
| 424 | bes2f_array (short *src, int count, float *dest, float normfact) |
| 425 | { short value ; |
| 426 | |
| 427 | while (--count >= 0) |
| 428 | { value = src [count] ; |
| 429 | value = BES2H_SHORT (value) ; |
| 430 | dest [count] = ((float) value) * normfact ; |
| 431 | } ; |
| 432 | } /* bes2f_array */ |
| 433 | |
| 434 | static inline void |
| 435 | let2f_array (tribyte *src, int count, float *dest, float normfact) |
| 436 | { unsigned char *ucptr ; |
| 437 | int value ; |
| 438 | |
| 439 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 440 | while (--count >= 0) |
| 441 | { ucptr -= 3 ; |
| 442 | value = LET2H_INT_PTR (ucptr) ; |
| 443 | dest [count] = ((float) value) * normfact ; |
| 444 | } ; |
| 445 | } /* let2f_array */ |
| 446 | |
| 447 | static inline void |
| 448 | bet2f_array (tribyte *src, int count, float *dest, float normfact) |
| 449 | { unsigned char *ucptr ; |
| 450 | int value ; |
| 451 | |
| 452 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 453 | while (--count >= 0) |
| 454 | { ucptr -= 3 ; |
| 455 | value = BET2H_INT_PTR (ucptr) ; |
| 456 | dest [count] = ((float) value) * normfact ; |
| 457 | } ; |
| 458 | } /* bet2f_array */ |
| 459 | |
| 460 | static inline void |
| 461 | lei2f_array (int *src, int count, float *dest, float normfact) |
| 462 | { int value ; |
| 463 | |
| 464 | while (--count >= 0) |
| 465 | { value = src [count] ; |
| 466 | value = LEI2H_INT (value) ; |
| 467 | dest [count] = ((float) value) * normfact ; |
| 468 | } ; |
| 469 | } /* lei2f_array */ |
| 470 | |
| 471 | static inline void |
| 472 | bei2f_array (int *src, int count, float *dest, float normfact) |
| 473 | { int value ; |
| 474 | |
| 475 | while (--count >= 0) |
| 476 | { value = src [count] ; |
| 477 | value = BEI2H_INT (value) ; |
| 478 | dest [count] = ((float) value) * normfact ; |
| 479 | } ; |
| 480 | } /* bei2f_array */ |
| 481 | |
| 482 | /*-------------------------------------------------------------------------- |
| 483 | */ |
| 484 | |
| 485 | static inline void |
| 486 | sc2d_array (signed char *src, int count, double *dest, double normfact) |
| 487 | { while (--count >= 0) |
| 488 | dest [count] = ((double) src [count]) * normfact ; |
| 489 | } /* sc2d_array */ |
| 490 | |
| 491 | static inline void |
| 492 | uc2d_array (unsigned char *src, int count, double *dest, double normfact) |
| 493 | { while (--count >= 0) |
| 494 | dest [count] = (((int) src [count]) - 128) * normfact ; |
| 495 | } /* uc2d_array */ |
| 496 | |
| 497 | static inline void |
| 498 | les2d_array (short *src, int count, double *dest, double normfact) |
| 499 | { short value ; |
| 500 | |
| 501 | while (--count >= 0) |
| 502 | { value = src [count] ; |
| 503 | value = LES2H_SHORT (value) ; |
| 504 | dest [count] = ((double) value) * normfact ; |
| 505 | } ; |
| 506 | } /* les2d_array */ |
| 507 | |
| 508 | static inline void |
| 509 | bes2d_array (short *src, int count, double *dest, double normfact) |
| 510 | { short value ; |
| 511 | |
| 512 | while (--count >= 0) |
| 513 | { value = src [count] ; |
| 514 | value = BES2H_SHORT (value) ; |
| 515 | dest [count] = ((double) value) * normfact ; |
| 516 | } ; |
| 517 | } /* bes2d_array */ |
| 518 | |
| 519 | static inline void |
| 520 | let2d_array (tribyte *src, int count, double *dest, double normfact) |
| 521 | { unsigned char *ucptr ; |
| 522 | int value ; |
| 523 | |
| 524 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 525 | while (--count >= 0) |
| 526 | { ucptr -= 3 ; |
| 527 | value = LET2H_INT_PTR (ucptr) ; |
| 528 | dest [count] = ((double) value) * normfact ; |
| 529 | } ; |
| 530 | } /* let2d_array */ |
| 531 | |
| 532 | static inline void |
| 533 | bet2d_array (tribyte *src, int count, double *dest, double normfact) |
| 534 | { unsigned char *ucptr ; |
| 535 | int value ; |
| 536 | |
| 537 | ucptr = ((unsigned char*) src) + 3 * count ; |
| 538 | while (--count >= 0) |
| 539 | { ucptr -= 3 ; |
| 540 | value = (ucptr [0] << 24) | (ucptr [1] << 16) | (ucptr [2] << 8) ; |
| 541 | dest [count] = ((double) value) * normfact ; |
| 542 | } ; |
| 543 | } /* bet2d_array */ |
| 544 | |
| 545 | static inline void |
| 546 | lei2d_array (int *src, int count, double *dest, double normfact) |
| 547 | { int value ; |
| 548 | |
| 549 | while (--count >= 0) |
| 550 | { value = src [count] ; |
| 551 | value = LEI2H_INT (value) ; |
| 552 | dest [count] = ((double) value) * normfact ; |
| 553 | } ; |
| 554 | } /* lei2d_array */ |
| 555 | |
| 556 | static inline void |
| 557 | bei2d_array (int *src, int count, double *dest, double normfact) |
| 558 | { int value ; |
| 559 | |
| 560 | while (--count >= 0) |
| 561 | { value = src [count] ; |
| 562 | value = BEI2H_INT (value) ; |
| 563 | dest [count] = ((double) value) * normfact ; |
| 564 | } ; |
| 565 | } /* bei2d_array */ |
| 566 | |
| 567 | /*-------------------------------------------------------------------------- |
| 568 | */ |
| 569 | |
| 570 | static inline void |
| 571 | s2sc_array (const short *src, signed char *dest, int count) |
| 572 | { while (--count >= 0) |
| 573 | dest [count] = src [count] >> 8 ; |
| 574 | } /* s2sc_array */ |
| 575 | |
| 576 | static inline void |
| 577 | s2uc_array (const short *src, unsigned char *dest, int count) |
| 578 | { while (--count >= 0) |
| 579 | dest [count] = (src [count] >> 8) + 0x80 ; |
| 580 | } /* s2uc_array */ |
| 581 | |
| 582 | static inline void |
| 583 | s2let_array (const short *src, tribyte *dest, int count) |
| 584 | { unsigned char *ucptr ; |
| 585 | |
| 586 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 587 | while (--count >= 0) |
| 588 | { ucptr -= 3 ; |
| 589 | ucptr [0] = 0 ; |
| 590 | ucptr [1] = src [count] ; |
| 591 | ucptr [2] = src [count] >> 8 ; |
| 592 | } ; |
| 593 | } /* s2let_array */ |
| 594 | |
| 595 | static inline void |
| 596 | s2bet_array (const short *src, tribyte *dest, int count) |
| 597 | { unsigned char *ucptr ; |
| 598 | |
| 599 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 600 | while (--count >= 0) |
| 601 | { ucptr -= 3 ; |
| 602 | ucptr [2] = 0 ; |
| 603 | ucptr [1] = src [count] ; |
| 604 | ucptr [0] = src [count] >> 8 ; |
| 605 | } ; |
| 606 | } /* s2bet_array */ |
| 607 | |
| 608 | static inline void |
| 609 | s2lei_array (const short *src, int *dest, int count) |
| 610 | { unsigned char *ucptr ; |
| 611 | |
| 612 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 613 | while (--count >= 0) |
| 614 | { ucptr -= 4 ; |
| 615 | ucptr [0] = 0 ; |
| 616 | ucptr [1] = 0 ; |
| 617 | ucptr [2] = src [count] ; |
| 618 | ucptr [3] = src [count] >> 8 ; |
| 619 | } ; |
| 620 | } /* s2lei_array */ |
| 621 | |
| 622 | static inline void |
| 623 | s2bei_array (const short *src, int *dest, int count) |
| 624 | { unsigned char *ucptr ; |
| 625 | |
| 626 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 627 | while (--count >= 0) |
| 628 | { ucptr -= 4 ; |
| 629 | ucptr [0] = src [count] >> 8 ; |
| 630 | ucptr [1] = src [count] ; |
| 631 | ucptr [2] = 0 ; |
| 632 | ucptr [3] = 0 ; |
| 633 | } ; |
| 634 | } /* s2bei_array */ |
| 635 | |
| 636 | /*-------------------------------------------------------------------------- |
| 637 | */ |
| 638 | |
| 639 | static inline void |
| 640 | i2sc_array (const int *src, signed char *dest, int count) |
| 641 | { while (--count >= 0) |
| 642 | dest [count] = (src [count] >> 24) ; |
| 643 | } /* i2sc_array */ |
| 644 | |
| 645 | static inline void |
| 646 | i2uc_array (const int *src, unsigned char *dest, int count) |
| 647 | { while (--count >= 0) |
| 648 | dest [count] = ((src [count] >> 24) + 128) ; |
| 649 | } /* i2uc_array */ |
| 650 | |
| 651 | static inline void |
| 652 | i2bes_array (const int *src, short *dest, int count) |
| 653 | { unsigned char *ucptr ; |
| 654 | |
| 655 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 656 | while (--count >= 0) |
| 657 | { ucptr -= 2 ; |
| 658 | ucptr [0] = src [count] >> 24 ; |
| 659 | ucptr [1] = src [count] >> 16 ; |
| 660 | } ; |
| 661 | } /* i2bes_array */ |
| 662 | |
| 663 | static inline void |
| 664 | i2les_array (const int *src, short *dest, int count) |
| 665 | { unsigned char *ucptr ; |
| 666 | |
| 667 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 668 | while (--count >= 0) |
| 669 | { ucptr -= 2 ; |
| 670 | ucptr [0] = src [count] >> 16 ; |
| 671 | ucptr [1] = src [count] >> 24 ; |
| 672 | } ; |
| 673 | } /* i2les_array */ |
| 674 | |
| 675 | static inline void |
| 676 | i2let_array (const int *src, tribyte *dest, int count) |
| 677 | { unsigned char *ucptr ; |
| 678 | int value ; |
| 679 | |
| 680 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 681 | while (--count >= 0) |
| 682 | { ucptr -= 3 ; |
| 683 | value = src [count] >> 8 ; |
| 684 | ucptr [0] = value ; |
| 685 | ucptr [1] = value >> 8 ; |
| 686 | ucptr [2] = value >> 16 ; |
| 687 | } ; |
| 688 | } /* i2let_array */ |
| 689 | |
| 690 | static inline void |
| 691 | i2bet_array (const int *src, tribyte *dest, int count) |
| 692 | { unsigned char *ucptr ; |
| 693 | int value ; |
| 694 | |
| 695 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 696 | while (--count >= 0) |
| 697 | { ucptr -= 3 ; |
| 698 | value = src [count] >> 8 ; |
| 699 | ucptr [2] = value ; |
| 700 | ucptr [1] = value >> 8 ; |
| 701 | ucptr [0] = value >> 16 ; |
| 702 | } ; |
| 703 | } /* i2bet_array */ |
| 704 | |
| 705 | /*=============================================================================================== |
| 706 | */ |
| 707 | |
| 708 | static sf_count_t |
| 709 | pcm_read_sc2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 710 | { int bufferlen, readcount ; |
| 711 | sf_count_t total = 0 ; |
| 712 | |
| 713 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 714 | |
| 715 | while (len > 0) |
| 716 | { if (len < bufferlen) |
| 717 | bufferlen = (int) len ; |
| 718 | readcount = psf_fread (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 719 | sc2s_array (psf->u.scbuf, readcount, ptr + total) ; |
| 720 | total += readcount ; |
| 721 | if (readcount < bufferlen) |
| 722 | break ; |
| 723 | len -= readcount ; |
| 724 | } ; |
| 725 | |
| 726 | return total ; |
| 727 | } /* pcm_read_sc2s */ |
| 728 | |
| 729 | static sf_count_t |
| 730 | pcm_read_uc2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 731 | { int bufferlen, readcount ; |
| 732 | sf_count_t total = 0 ; |
| 733 | |
| 734 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 735 | |
| 736 | while (len > 0) |
| 737 | { if (len < bufferlen) |
| 738 | bufferlen = (int) len ; |
| 739 | readcount = psf_fread (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 740 | uc2s_array (psf->u.ucbuf, readcount, ptr + total) ; |
| 741 | total += readcount ; |
| 742 | if (readcount < bufferlen) |
| 743 | break ; |
| 744 | len -= readcount ; |
| 745 | } ; |
| 746 | |
| 747 | return total ; |
| 748 | } /* pcm_read_uc2s */ |
| 749 | |
| 750 | static sf_count_t |
| 751 | pcm_read_bes2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 752 | { int total ; |
| 753 | |
| 754 | total = psf_fread (ptr, sizeof (short), len, psf) ; |
| 755 | if (CPU_IS_LITTLE_ENDIAN) |
| 756 | endswap_short_array (ptr, len) ; |
| 757 | |
| 758 | return total ; |
| 759 | } /* pcm_read_bes2s */ |
| 760 | |
| 761 | static sf_count_t |
| 762 | pcm_read_les2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 763 | { int total ; |
| 764 | |
| 765 | total = psf_fread (ptr, sizeof (short), len, psf) ; |
| 766 | if (CPU_IS_BIG_ENDIAN) |
| 767 | endswap_short_array (ptr, len) ; |
| 768 | |
| 769 | return total ; |
| 770 | } /* pcm_read_les2s */ |
| 771 | |
| 772 | static sf_count_t |
| 773 | pcm_read_bet2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 774 | { int bufferlen, readcount ; |
| 775 | sf_count_t total = 0 ; |
| 776 | |
| 777 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 778 | |
| 779 | while (len > 0) |
| 780 | { if (len < bufferlen) |
| 781 | bufferlen = (int) len ; |
| 782 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 783 | bet2s_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total) ; |
| 784 | total += readcount ; |
| 785 | if (readcount < bufferlen) |
| 786 | break ; |
| 787 | len -= readcount ; |
| 788 | } ; |
| 789 | |
| 790 | return total ; |
| 791 | } /* pcm_read_bet2s */ |
| 792 | |
| 793 | static sf_count_t |
| 794 | pcm_read_let2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 795 | { int bufferlen, readcount ; |
| 796 | sf_count_t total = 0 ; |
| 797 | |
| 798 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 799 | |
| 800 | while (len > 0) |
| 801 | { if (len < bufferlen) |
| 802 | bufferlen = (int) len ; |
| 803 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 804 | let2s_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total) ; |
| 805 | total += readcount ; |
| 806 | if (readcount < bufferlen) |
| 807 | break ; |
| 808 | len -= readcount ; |
| 809 | } ; |
| 810 | |
| 811 | return total ; |
| 812 | } /* pcm_read_let2s */ |
| 813 | |
| 814 | static sf_count_t |
| 815 | pcm_read_bei2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 816 | { int bufferlen, readcount ; |
| 817 | sf_count_t total = 0 ; |
| 818 | |
| 819 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 820 | |
| 821 | while (len > 0) |
| 822 | { if (len < bufferlen) |
| 823 | bufferlen = (int) len ; |
| 824 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 825 | bei2s_array (psf->u.ibuf, readcount, ptr + total) ; |
| 826 | total += readcount ; |
| 827 | if (readcount < bufferlen) |
| 828 | break ; |
| 829 | len -= readcount ; |
| 830 | } ; |
| 831 | |
| 832 | return total ; |
| 833 | } /* pcm_read_bei2s */ |
| 834 | |
| 835 | static sf_count_t |
| 836 | pcm_read_lei2s (SF_PRIVATE *psf, short *ptr, sf_count_t len) |
| 837 | { int bufferlen, readcount ; |
| 838 | sf_count_t total = 0 ; |
| 839 | |
| 840 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 841 | |
| 842 | while (len > 0) |
| 843 | { if (len < bufferlen) |
| 844 | bufferlen = (int) len ; |
| 845 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 846 | lei2s_array (psf->u.ibuf, readcount, ptr + total) ; |
| 847 | total += readcount ; |
| 848 | if (readcount < bufferlen) |
| 849 | break ; |
| 850 | len -= readcount ; |
| 851 | } ; |
| 852 | |
| 853 | return total ; |
| 854 | } /* pcm_read_lei2s */ |
| 855 | |
| 856 | /*----------------------------------------------------------------------------------------------- |
| 857 | */ |
| 858 | |
| 859 | static sf_count_t |
| 860 | pcm_read_sc2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 861 | { int bufferlen, readcount ; |
| 862 | sf_count_t total = 0 ; |
| 863 | |
| 864 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 865 | |
| 866 | while (len > 0) |
| 867 | { if (len < bufferlen) |
| 868 | bufferlen = (int) len ; |
| 869 | readcount = psf_fread (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 870 | sc2i_array (psf->u.scbuf, readcount, ptr + total) ; |
| 871 | total += readcount ; |
| 872 | if (readcount < bufferlen) |
| 873 | break ; |
| 874 | len -= readcount ; |
| 875 | } ; |
| 876 | |
| 877 | return total ; |
| 878 | } /* pcm_read_sc2i */ |
| 879 | |
| 880 | static sf_count_t |
| 881 | pcm_read_uc2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 882 | { int bufferlen, readcount ; |
| 883 | sf_count_t total = 0 ; |
| 884 | |
| 885 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 886 | |
| 887 | while (len > 0) |
| 888 | { if (len < bufferlen) |
| 889 | bufferlen = (int) len ; |
| 890 | readcount = psf_fread (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 891 | uc2i_array (psf->u.ucbuf, readcount, ptr + total) ; |
| 892 | total += readcount ; |
| 893 | if (readcount < bufferlen) |
| 894 | break ; |
| 895 | len -= readcount ; |
| 896 | } ; |
| 897 | |
| 898 | return total ; |
| 899 | } /* pcm_read_uc2i */ |
| 900 | |
| 901 | static sf_count_t |
| 902 | pcm_read_bes2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 903 | { int bufferlen, readcount ; |
| 904 | sf_count_t total = 0 ; |
| 905 | |
| 906 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 907 | |
| 908 | while (len > 0) |
| 909 | { if (len < bufferlen) |
| 910 | bufferlen = (int) len ; |
| 911 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 912 | bes2i_array (psf->u.sbuf, readcount, ptr + total) ; |
| 913 | total += readcount ; |
| 914 | if (readcount < bufferlen) |
| 915 | break ; |
| 916 | len -= readcount ; |
| 917 | } ; |
| 918 | |
| 919 | return total ; |
| 920 | } /* pcm_read_bes2i */ |
| 921 | |
| 922 | static sf_count_t |
| 923 | pcm_read_les2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 924 | { int bufferlen, readcount ; |
| 925 | sf_count_t total = 0 ; |
| 926 | |
| 927 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 928 | |
| 929 | while (len > 0) |
| 930 | { if (len < bufferlen) |
| 931 | bufferlen = (int) len ; |
| 932 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 933 | les2i_array (psf->u.sbuf, readcount, ptr + total) ; |
| 934 | total += readcount ; |
| 935 | if (readcount < bufferlen) |
| 936 | break ; |
| 937 | len -= readcount ; |
| 938 | } ; |
| 939 | |
| 940 | return total ; |
| 941 | } /* pcm_read_les2i */ |
| 942 | |
| 943 | static sf_count_t |
| 944 | pcm_read_bet2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 945 | { int bufferlen, readcount ; |
| 946 | sf_count_t total = 0 ; |
| 947 | |
| 948 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 949 | |
| 950 | while (len > 0) |
| 951 | { if (len < bufferlen) |
| 952 | bufferlen = (int) len ; |
| 953 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 954 | bet2i_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total) ; |
| 955 | total += readcount ; |
| 956 | if (readcount < bufferlen) |
| 957 | break ; |
| 958 | len -= readcount ; |
| 959 | } ; |
| 960 | |
| 961 | return total ; |
| 962 | } /* pcm_read_bet2i */ |
| 963 | |
| 964 | static sf_count_t |
| 965 | pcm_read_let2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 966 | { int bufferlen, readcount ; |
| 967 | sf_count_t total = 0 ; |
| 968 | |
| 969 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 970 | |
| 971 | while (len > 0) |
| 972 | { if (len < bufferlen) |
| 973 | bufferlen = (int) len ; |
| 974 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 975 | let2i_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total) ; |
| 976 | total += readcount ; |
| 977 | if (readcount < bufferlen) |
| 978 | break ; |
| 979 | len -= readcount ; |
| 980 | } ; |
| 981 | |
| 982 | return total ; |
| 983 | } /* pcm_read_let2i */ |
| 984 | |
| 985 | static sf_count_t |
| 986 | pcm_read_bei2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 987 | { int total ; |
| 988 | |
| 989 | total = psf_fread (ptr, sizeof (int), len, psf) ; |
| 990 | if (CPU_IS_LITTLE_ENDIAN) |
| 991 | endswap_int_array (ptr, len) ; |
| 992 | |
| 993 | return total ; |
| 994 | } /* pcm_read_bei2i */ |
| 995 | |
| 996 | static sf_count_t |
| 997 | pcm_read_lei2i (SF_PRIVATE *psf, int *ptr, sf_count_t len) |
| 998 | { int total ; |
| 999 | |
| 1000 | total = psf_fread (ptr, sizeof (int), len, psf) ; |
| 1001 | if (CPU_IS_BIG_ENDIAN) |
| 1002 | endswap_int_array (ptr, len) ; |
| 1003 | |
| 1004 | return total ; |
| 1005 | } /* pcm_read_lei2i */ |
| 1006 | |
| 1007 | /*----------------------------------------------------------------------------------------------- |
| 1008 | */ |
| 1009 | |
| 1010 | static sf_count_t |
| 1011 | pcm_read_sc2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1012 | { int bufferlen, readcount ; |
| 1013 | sf_count_t total = 0 ; |
| 1014 | float normfact ; |
| 1015 | |
| 1016 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80) : 1.0 ; |
| 1017 | |
| 1018 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 1019 | |
| 1020 | while (len > 0) |
| 1021 | { if (len < bufferlen) |
| 1022 | bufferlen = (int) len ; |
| 1023 | readcount = psf_fread (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 1024 | sc2f_array (psf->u.scbuf, readcount, ptr + total, normfact) ; |
| 1025 | total += readcount ; |
| 1026 | if (readcount < bufferlen) |
| 1027 | break ; |
| 1028 | len -= readcount ; |
| 1029 | } ; |
| 1030 | |
| 1031 | return total ; |
| 1032 | } /* pcm_read_sc2f */ |
| 1033 | |
| 1034 | static sf_count_t |
| 1035 | pcm_read_uc2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1036 | { int bufferlen, readcount ; |
| 1037 | sf_count_t total = 0 ; |
| 1038 | float normfact ; |
| 1039 | |
| 1040 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80) : 1.0 ; |
| 1041 | |
| 1042 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 1043 | |
| 1044 | while (len > 0) |
| 1045 | { if (len < bufferlen) |
| 1046 | bufferlen = (int) len ; |
| 1047 | readcount = psf_fread (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 1048 | uc2f_array (psf->u.ucbuf, readcount, ptr + total, normfact) ; |
| 1049 | total += readcount ; |
| 1050 | if (readcount < bufferlen) |
| 1051 | break ; |
| 1052 | len -= readcount ; |
| 1053 | } ; |
| 1054 | |
| 1055 | return total ; |
| 1056 | } /* pcm_read_uc2f */ |
| 1057 | |
| 1058 | static sf_count_t |
| 1059 | pcm_read_bes2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1060 | { int bufferlen, readcount ; |
| 1061 | sf_count_t total = 0 ; |
| 1062 | float normfact ; |
| 1063 | |
| 1064 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x8000) : 1.0 ; |
| 1065 | |
| 1066 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1067 | |
| 1068 | while (len > 0) |
| 1069 | { if (len < bufferlen) |
| 1070 | bufferlen = (int) len ; |
| 1071 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1072 | bes2f_array (psf->u.sbuf, readcount, ptr + total, normfact) ; |
| 1073 | total += readcount ; |
| 1074 | if (readcount < bufferlen) |
| 1075 | break ; |
| 1076 | len -= readcount ; |
| 1077 | } ; |
| 1078 | |
| 1079 | return total ; |
| 1080 | } /* pcm_read_bes2f */ |
| 1081 | |
| 1082 | static sf_count_t |
| 1083 | pcm_read_les2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1084 | { int bufferlen, readcount ; |
| 1085 | sf_count_t total = 0 ; |
| 1086 | float normfact ; |
| 1087 | |
| 1088 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x8000) : 1.0 ; |
| 1089 | |
| 1090 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1091 | |
| 1092 | while (len > 0) |
| 1093 | { if (len < bufferlen) |
| 1094 | bufferlen = (int) len ; |
| 1095 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1096 | les2f_array (psf->u.sbuf, readcount, ptr + total, normfact) ; |
| 1097 | total += readcount ; |
| 1098 | if (readcount < bufferlen) |
| 1099 | break ; |
| 1100 | len -= readcount ; |
| 1101 | } ; |
| 1102 | |
| 1103 | return total ; |
| 1104 | } /* pcm_read_les2f */ |
| 1105 | |
| 1106 | static sf_count_t |
| 1107 | pcm_read_bet2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1108 | { int bufferlen, readcount ; |
| 1109 | sf_count_t total = 0 ; |
| 1110 | float normfact ; |
| 1111 | |
| 1112 | /* Special normfactor because tribyte value is read into an int. */ |
| 1113 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80000000) : 1.0 / 256.0 ; |
| 1114 | |
| 1115 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1116 | |
| 1117 | while (len > 0) |
| 1118 | { if (len < bufferlen) |
| 1119 | bufferlen = (int) len ; |
| 1120 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1121 | bet2f_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total, normfact) ; |
| 1122 | total += readcount ; |
| 1123 | if (readcount < bufferlen) |
| 1124 | break ; |
| 1125 | len -= readcount ; |
| 1126 | } ; |
| 1127 | |
| 1128 | return total ; |
| 1129 | } /* pcm_read_bet2f */ |
| 1130 | |
| 1131 | static sf_count_t |
| 1132 | pcm_read_let2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1133 | { int bufferlen, readcount ; |
| 1134 | sf_count_t total = 0 ; |
| 1135 | float normfact ; |
| 1136 | |
| 1137 | /* Special normfactor because tribyte value is read into an int. */ |
| 1138 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80000000) : 1.0 / 256.0 ; |
| 1139 | |
| 1140 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1141 | |
| 1142 | while (len > 0) |
| 1143 | { if (len < bufferlen) |
| 1144 | bufferlen = (int) len ; |
| 1145 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1146 | let2f_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total, normfact) ; |
| 1147 | total += readcount ; |
| 1148 | if (readcount < bufferlen) |
| 1149 | break ; |
| 1150 | len -= readcount ; |
| 1151 | } ; |
| 1152 | |
| 1153 | return total ; |
| 1154 | } /* pcm_read_let2f */ |
| 1155 | |
| 1156 | static sf_count_t |
| 1157 | pcm_read_bei2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1158 | { int bufferlen, readcount ; |
| 1159 | sf_count_t total = 0 ; |
| 1160 | float normfact ; |
| 1161 | |
| 1162 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80000000) : 1.0 ; |
| 1163 | |
| 1164 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1165 | |
| 1166 | while (len > 0) |
| 1167 | { if (len < bufferlen) |
| 1168 | bufferlen = (int) len ; |
| 1169 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1170 | bei2f_array (psf->u.ibuf, readcount, ptr + total, normfact) ; |
| 1171 | total += readcount ; |
| 1172 | if (readcount < bufferlen) |
| 1173 | break ; |
| 1174 | len -= readcount ; |
| 1175 | } ; |
| 1176 | |
| 1177 | return total ; |
| 1178 | } /* pcm_read_bei2f */ |
| 1179 | |
| 1180 | static sf_count_t |
| 1181 | pcm_read_lei2f (SF_PRIVATE *psf, float *ptr, sf_count_t len) |
| 1182 | { int bufferlen, readcount ; |
| 1183 | sf_count_t total = 0 ; |
| 1184 | float normfact ; |
| 1185 | |
| 1186 | normfact = (psf->norm_float == SF_TRUE) ? 1.0 / ((float) 0x80000000) : 1.0 ; |
| 1187 | |
| 1188 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1189 | |
| 1190 | while (len > 0) |
| 1191 | { if (len < bufferlen) |
| 1192 | bufferlen = (int) len ; |
| 1193 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1194 | lei2f_array (psf->u.ibuf, readcount, ptr + total, normfact) ; |
| 1195 | total += readcount ; |
| 1196 | if (readcount < bufferlen) |
| 1197 | break ; |
| 1198 | len -= readcount ; |
| 1199 | } ; |
| 1200 | |
| 1201 | return total ; |
| 1202 | } /* pcm_read_lei2f */ |
| 1203 | |
| 1204 | /*----------------------------------------------------------------------------------------------- |
| 1205 | */ |
| 1206 | |
| 1207 | static sf_count_t |
| 1208 | pcm_read_sc2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1209 | { int bufferlen, readcount ; |
| 1210 | sf_count_t total = 0 ; |
| 1211 | double normfact ; |
| 1212 | |
| 1213 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80) : 1.0 ; |
| 1214 | |
| 1215 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 1216 | |
| 1217 | while (len > 0) |
| 1218 | { if (len < bufferlen) |
| 1219 | bufferlen = (int) len ; |
| 1220 | readcount = psf_fread (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 1221 | sc2d_array (psf->u.scbuf, readcount, ptr + total, normfact) ; |
| 1222 | total += readcount ; |
| 1223 | if (readcount < bufferlen) |
| 1224 | break ; |
| 1225 | len -= readcount ; |
| 1226 | } ; |
| 1227 | |
| 1228 | return total ; |
| 1229 | } /* pcm_read_sc2d */ |
| 1230 | |
| 1231 | static sf_count_t |
| 1232 | pcm_read_uc2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1233 | { int bufferlen, readcount ; |
| 1234 | sf_count_t total = 0 ; |
| 1235 | double normfact ; |
| 1236 | |
| 1237 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80) : 1.0 ; |
| 1238 | |
| 1239 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 1240 | |
| 1241 | while (len > 0) |
| 1242 | { if (len < bufferlen) |
| 1243 | bufferlen = (int) len ; |
| 1244 | readcount = psf_fread (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 1245 | uc2d_array (psf->u.ucbuf, readcount, ptr + total, normfact) ; |
| 1246 | total += readcount ; |
| 1247 | if (readcount < bufferlen) |
| 1248 | break ; |
| 1249 | len -= readcount ; |
| 1250 | } ; |
| 1251 | |
| 1252 | return total ; |
| 1253 | } /* pcm_read_uc2d */ |
| 1254 | |
| 1255 | static sf_count_t |
| 1256 | pcm_read_bes2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1257 | { int bufferlen, readcount ; |
| 1258 | sf_count_t total = 0 ; |
| 1259 | double normfact ; |
| 1260 | |
| 1261 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x8000) : 1.0 ; |
| 1262 | |
| 1263 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1264 | |
| 1265 | while (len > 0) |
| 1266 | { if (len < bufferlen) |
| 1267 | bufferlen = (int) len ; |
| 1268 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1269 | bes2d_array (psf->u.sbuf, readcount, ptr + total, normfact) ; |
| 1270 | total += readcount ; |
| 1271 | if (readcount < bufferlen) |
| 1272 | break ; |
| 1273 | len -= readcount ; |
| 1274 | } ; |
| 1275 | |
| 1276 | return total ; |
| 1277 | } /* pcm_read_bes2d */ |
| 1278 | |
| 1279 | static sf_count_t |
| 1280 | pcm_read_les2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1281 | { int bufferlen, readcount ; |
| 1282 | sf_count_t total = 0 ; |
| 1283 | double normfact ; |
| 1284 | |
| 1285 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x8000) : 1.0 ; |
| 1286 | |
| 1287 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1288 | |
| 1289 | while (len > 0) |
| 1290 | { if (len < bufferlen) |
| 1291 | bufferlen = (int) len ; |
| 1292 | readcount = psf_fread (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1293 | les2d_array (psf->u.sbuf, readcount, ptr + total, normfact) ; |
| 1294 | total += readcount ; |
| 1295 | if (readcount < bufferlen) |
| 1296 | break ; |
| 1297 | len -= readcount ; |
| 1298 | } ; |
| 1299 | |
| 1300 | return total ; |
| 1301 | } /* pcm_read_les2d */ |
| 1302 | |
| 1303 | static sf_count_t |
| 1304 | pcm_read_bet2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1305 | { int bufferlen, readcount ; |
| 1306 | sf_count_t total = 0 ; |
| 1307 | double normfact ; |
| 1308 | |
| 1309 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80000000) : 1.0 / 256.0 ; |
| 1310 | |
| 1311 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1312 | |
| 1313 | while (len > 0) |
| 1314 | { if (len < bufferlen) |
| 1315 | bufferlen = (int) len ; |
| 1316 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1317 | bet2d_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total, normfact) ; |
| 1318 | total += readcount ; |
| 1319 | if (readcount < bufferlen) |
| 1320 | break ; |
| 1321 | len -= readcount ; |
| 1322 | } ; |
| 1323 | |
| 1324 | return total ; |
| 1325 | } /* pcm_read_bet2d */ |
| 1326 | |
| 1327 | static sf_count_t |
| 1328 | pcm_read_let2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1329 | { int bufferlen, readcount ; |
| 1330 | sf_count_t total = 0 ; |
| 1331 | double normfact ; |
| 1332 | |
| 1333 | /* Special normfactor because tribyte value is read into an int. */ |
| 1334 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80000000) : 1.0 / 256.0 ; |
| 1335 | |
| 1336 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1337 | |
| 1338 | while (len > 0) |
| 1339 | { if (len < bufferlen) |
| 1340 | bufferlen = (int) len ; |
| 1341 | readcount = psf_fread (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1342 | let2d_array ((tribyte*) (psf->u.ucbuf), readcount, ptr + total, normfact) ; |
| 1343 | total += readcount ; |
| 1344 | if (readcount < bufferlen) |
| 1345 | break ; |
| 1346 | len -= readcount ; |
| 1347 | } ; |
| 1348 | |
| 1349 | return total ; |
| 1350 | } /* pcm_read_let2d */ |
| 1351 | |
| 1352 | static sf_count_t |
| 1353 | pcm_read_bei2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1354 | { int bufferlen, readcount ; |
| 1355 | sf_count_t total = 0 ; |
| 1356 | double normfact ; |
| 1357 | |
| 1358 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80000000) : 1.0 ; |
| 1359 | |
| 1360 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1361 | |
| 1362 | while (len > 0) |
| 1363 | { if (len < bufferlen) |
| 1364 | bufferlen = (int) len ; |
| 1365 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1366 | bei2d_array (psf->u.ibuf, readcount, ptr + total, normfact) ; |
| 1367 | total += readcount ; |
| 1368 | if (readcount < bufferlen) |
| 1369 | break ; |
| 1370 | len -= readcount ; |
| 1371 | } ; |
| 1372 | |
| 1373 | return total ; |
| 1374 | } /* pcm_read_bei2d */ |
| 1375 | |
| 1376 | static sf_count_t |
| 1377 | pcm_read_lei2d (SF_PRIVATE *psf, double *ptr, sf_count_t len) |
| 1378 | { int bufferlen, readcount ; |
| 1379 | sf_count_t total = 0 ; |
| 1380 | double normfact ; |
| 1381 | |
| 1382 | normfact = (psf->norm_double == SF_TRUE) ? 1.0 / ((double) 0x80000000) : 1.0 ; |
| 1383 | |
| 1384 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1385 | |
| 1386 | while (len > 0) |
| 1387 | { if (len < bufferlen) |
| 1388 | bufferlen = (int) len ; |
| 1389 | readcount = psf_fread (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1390 | lei2d_array (psf->u.ibuf, readcount, ptr + total, normfact) ; |
| 1391 | total += readcount ; |
| 1392 | if (readcount < bufferlen) |
| 1393 | break ; |
| 1394 | len -= readcount ; |
| 1395 | } ; |
| 1396 | |
| 1397 | return total ; |
| 1398 | } /* pcm_read_lei2d */ |
| 1399 | |
| 1400 | /*=============================================================================================== |
| 1401 | **----------------------------------------------------------------------------------------------- |
| 1402 | **=============================================================================================== |
| 1403 | */ |
| 1404 | |
| 1405 | static sf_count_t |
| 1406 | pcm_write_s2sc (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1407 | { int bufferlen, writecount ; |
| 1408 | sf_count_t total = 0 ; |
| 1409 | |
| 1410 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 1411 | |
| 1412 | while (len > 0) |
| 1413 | { if (len < bufferlen) |
| 1414 | bufferlen = (int) len ; |
| 1415 | s2sc_array (ptr + total, psf->u.scbuf, bufferlen) ; |
| 1416 | writecount = psf_fwrite (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 1417 | total += writecount ; |
| 1418 | if (writecount < bufferlen) |
| 1419 | break ; |
| 1420 | len -= writecount ; |
| 1421 | } ; |
| 1422 | |
| 1423 | return total ; |
| 1424 | } /* pcm_write_s2sc */ |
| 1425 | |
| 1426 | static sf_count_t |
| 1427 | pcm_write_s2uc (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1428 | { int bufferlen, writecount ; |
| 1429 | sf_count_t total = 0 ; |
| 1430 | |
| 1431 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 1432 | |
| 1433 | while (len > 0) |
| 1434 | { if (len < bufferlen) |
| 1435 | bufferlen = (int) len ; |
| 1436 | s2uc_array (ptr + total, psf->u.ucbuf, bufferlen) ; |
| 1437 | writecount = psf_fwrite (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 1438 | total += writecount ; |
| 1439 | if (writecount < bufferlen) |
| 1440 | break ; |
| 1441 | len -= writecount ; |
| 1442 | } ; |
| 1443 | |
| 1444 | return total ; |
| 1445 | } /* pcm_write_s2uc */ |
| 1446 | |
| 1447 | static sf_count_t |
| 1448 | pcm_write_s2bes (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1449 | { int bufferlen, writecount ; |
| 1450 | sf_count_t total = 0 ; |
| 1451 | |
| 1452 | if (CPU_IS_BIG_ENDIAN) |
| 1453 | return psf_fwrite (ptr, sizeof (short), len, psf) ; |
| 1454 | else |
| 1455 | |
| 1456 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1457 | |
| 1458 | while (len > 0) |
| 1459 | { if (len < bufferlen) |
| 1460 | bufferlen = (int) len ; |
| 1461 | endswap_short_copy (psf->u.sbuf, ptr + total, bufferlen) ; |
| 1462 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1463 | total += writecount ; |
| 1464 | if (writecount < bufferlen) |
| 1465 | break ; |
| 1466 | len -= writecount ; |
| 1467 | } ; |
| 1468 | |
| 1469 | return total ; |
| 1470 | } /* pcm_write_s2bes */ |
| 1471 | |
| 1472 | static sf_count_t |
| 1473 | pcm_write_s2les (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1474 | { int bufferlen, writecount ; |
| 1475 | sf_count_t total = 0 ; |
| 1476 | |
| 1477 | if (CPU_IS_LITTLE_ENDIAN) |
| 1478 | return psf_fwrite (ptr, sizeof (short), len, psf) ; |
| 1479 | |
| 1480 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1481 | |
| 1482 | while (len > 0) |
| 1483 | { if (len < bufferlen) |
| 1484 | bufferlen = (int) len ; |
| 1485 | endswap_short_copy (psf->u.sbuf, ptr + total, bufferlen) ; |
| 1486 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1487 | total += writecount ; |
| 1488 | if (writecount < bufferlen) |
| 1489 | break ; |
| 1490 | len -= writecount ; |
| 1491 | } ; |
| 1492 | |
| 1493 | return total ; |
| 1494 | } /* pcm_write_s2les */ |
| 1495 | |
| 1496 | static sf_count_t |
| 1497 | pcm_write_s2bet (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1498 | { int bufferlen, writecount ; |
| 1499 | sf_count_t total = 0 ; |
| 1500 | |
| 1501 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1502 | |
| 1503 | while (len > 0) |
| 1504 | { if (len < bufferlen) |
| 1505 | bufferlen = (int) len ; |
| 1506 | s2bet_array (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen) ; |
| 1507 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1508 | total += writecount ; |
| 1509 | if (writecount < bufferlen) |
| 1510 | break ; |
| 1511 | len -= writecount ; |
| 1512 | } ; |
| 1513 | |
| 1514 | return total ; |
| 1515 | } /* pcm_write_s2bet */ |
| 1516 | |
| 1517 | static sf_count_t |
| 1518 | pcm_write_s2let (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1519 | { int bufferlen, writecount ; |
| 1520 | sf_count_t total = 0 ; |
| 1521 | |
| 1522 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1523 | |
| 1524 | while (len > 0) |
| 1525 | { if (len < bufferlen) |
| 1526 | bufferlen = (int) len ; |
| 1527 | s2let_array (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen) ; |
| 1528 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1529 | total += writecount ; |
| 1530 | if (writecount < bufferlen) |
| 1531 | break ; |
| 1532 | len -= writecount ; |
| 1533 | } ; |
| 1534 | |
| 1535 | return total ; |
| 1536 | } /* pcm_write_s2let */ |
| 1537 | |
| 1538 | static sf_count_t |
| 1539 | pcm_write_s2bei (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1540 | { int bufferlen, writecount ; |
| 1541 | sf_count_t total = 0 ; |
| 1542 | |
| 1543 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1544 | |
| 1545 | while (len > 0) |
| 1546 | { if (len < bufferlen) |
| 1547 | bufferlen = (int) len ; |
| 1548 | s2bei_array (ptr + total, psf->u.ibuf, bufferlen) ; |
| 1549 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1550 | total += writecount ; |
| 1551 | if (writecount < bufferlen) |
| 1552 | break ; |
| 1553 | len -= writecount ; |
| 1554 | } ; |
| 1555 | |
| 1556 | return total ; |
| 1557 | } /* pcm_write_s2bei */ |
| 1558 | |
| 1559 | static sf_count_t |
| 1560 | pcm_write_s2lei (SF_PRIVATE *psf, const short *ptr, sf_count_t len) |
| 1561 | { int bufferlen, writecount ; |
| 1562 | sf_count_t total = 0 ; |
| 1563 | |
| 1564 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1565 | |
| 1566 | while (len > 0) |
| 1567 | { if (len < bufferlen) |
| 1568 | bufferlen = (int) len ; |
| 1569 | s2lei_array (ptr + total, psf->u.ibuf, bufferlen) ; |
| 1570 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1571 | total += writecount ; |
| 1572 | if (writecount < bufferlen) |
| 1573 | break ; |
| 1574 | len -= writecount ; |
| 1575 | } ; |
| 1576 | |
| 1577 | return total ; |
| 1578 | } /* pcm_write_s2lei */ |
| 1579 | |
| 1580 | /*----------------------------------------------------------------------------------------------- |
| 1581 | */ |
| 1582 | |
| 1583 | static sf_count_t |
| 1584 | pcm_write_i2sc (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1585 | { int bufferlen, writecount ; |
| 1586 | sf_count_t total = 0 ; |
| 1587 | |
| 1588 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 1589 | |
| 1590 | while (len > 0) |
| 1591 | { if (len < bufferlen) |
| 1592 | bufferlen = (int) len ; |
| 1593 | i2sc_array (ptr + total, psf->u.scbuf, bufferlen) ; |
| 1594 | writecount = psf_fwrite (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 1595 | total += writecount ; |
| 1596 | if (writecount < bufferlen) |
| 1597 | break ; |
| 1598 | len -= writecount ; |
| 1599 | } ; |
| 1600 | |
| 1601 | return total ; |
| 1602 | } /* pcm_write_i2sc */ |
| 1603 | |
| 1604 | static sf_count_t |
| 1605 | pcm_write_i2uc (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1606 | { int bufferlen, writecount ; |
| 1607 | sf_count_t total = 0 ; |
| 1608 | |
| 1609 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 1610 | |
| 1611 | while (len > 0) |
| 1612 | { if (len < bufferlen) |
| 1613 | bufferlen = (int) len ; |
| 1614 | i2uc_array (ptr + total, psf->u.ucbuf, bufferlen) ; |
| 1615 | writecount = psf_fwrite (psf->u.ucbuf, sizeof (signed char), bufferlen, psf) ; |
| 1616 | total += writecount ; |
| 1617 | if (writecount < bufferlen) |
| 1618 | break ; |
| 1619 | len -= writecount ; |
| 1620 | } ; |
| 1621 | |
| 1622 | return total ; |
| 1623 | } /* pcm_write_i2uc */ |
| 1624 | |
| 1625 | static sf_count_t |
| 1626 | pcm_write_i2bes (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1627 | { int bufferlen, writecount ; |
| 1628 | sf_count_t total = 0 ; |
| 1629 | |
| 1630 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1631 | |
| 1632 | while (len > 0) |
| 1633 | { if (len < bufferlen) |
| 1634 | bufferlen = (int) len ; |
| 1635 | i2bes_array (ptr + total, psf->u.sbuf, bufferlen) ; |
| 1636 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1637 | total += writecount ; |
| 1638 | if (writecount < bufferlen) |
| 1639 | break ; |
| 1640 | len -= writecount ; |
| 1641 | } ; |
| 1642 | |
| 1643 | return total ; |
| 1644 | } /* pcm_write_i2bes */ |
| 1645 | |
| 1646 | static sf_count_t |
| 1647 | pcm_write_i2les (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1648 | { int bufferlen, writecount ; |
| 1649 | sf_count_t total = 0 ; |
| 1650 | |
| 1651 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1652 | |
| 1653 | while (len > 0) |
| 1654 | { if (len < bufferlen) |
| 1655 | bufferlen = (int) len ; |
| 1656 | i2les_array (ptr + total, psf->u.sbuf, bufferlen) ; |
| 1657 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1658 | total += writecount ; |
| 1659 | if (writecount < bufferlen) |
| 1660 | break ; |
| 1661 | len -= writecount ; |
| 1662 | } ; |
| 1663 | |
| 1664 | return total ; |
| 1665 | } /* pcm_write_i2les */ |
| 1666 | |
| 1667 | static sf_count_t |
| 1668 | pcm_write_i2bet (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1669 | { int bufferlen, writecount ; |
| 1670 | sf_count_t total = 0 ; |
| 1671 | |
| 1672 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1673 | |
| 1674 | while (len > 0) |
| 1675 | { if (len < bufferlen) |
| 1676 | bufferlen = (int) len ; |
| 1677 | i2bet_array (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen) ; |
| 1678 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1679 | total += writecount ; |
| 1680 | if (writecount < bufferlen) |
| 1681 | break ; |
| 1682 | len -= writecount ; |
| 1683 | } ; |
| 1684 | |
| 1685 | return total ; |
| 1686 | } /* pcm_write_i2bet */ |
| 1687 | |
| 1688 | static sf_count_t |
| 1689 | pcm_write_i2let (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1690 | { int bufferlen, writecount ; |
| 1691 | sf_count_t total = 0 ; |
| 1692 | |
| 1693 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 1694 | |
| 1695 | while (len > 0) |
| 1696 | { if (len < bufferlen) |
| 1697 | bufferlen = (int) len ; |
| 1698 | i2let_array (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen) ; |
| 1699 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 1700 | total += writecount ; |
| 1701 | if (writecount < bufferlen) |
| 1702 | break ; |
| 1703 | len -= writecount ; |
| 1704 | } ; |
| 1705 | |
| 1706 | return total ; |
| 1707 | } /* pcm_write_i2les */ |
| 1708 | |
| 1709 | static sf_count_t |
| 1710 | pcm_write_i2bei (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1711 | { int bufferlen, writecount ; |
| 1712 | sf_count_t total = 0 ; |
| 1713 | |
| 1714 | if (CPU_IS_BIG_ENDIAN) |
| 1715 | return psf_fwrite (ptr, sizeof (int), len, psf) ; |
| 1716 | |
| 1717 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1718 | |
| 1719 | while (len > 0) |
| 1720 | { if (len < bufferlen) |
| 1721 | bufferlen = (int) len ; |
| 1722 | endswap_int_copy (psf->u.ibuf, ptr + total, bufferlen) ; |
| 1723 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1724 | total += writecount ; |
| 1725 | if (writecount < bufferlen) |
| 1726 | break ; |
| 1727 | len -= writecount ; |
| 1728 | } ; |
| 1729 | |
| 1730 | return total ; |
| 1731 | } /* pcm_write_i2bei */ |
| 1732 | |
| 1733 | static sf_count_t |
| 1734 | pcm_write_i2lei (SF_PRIVATE *psf, const int *ptr, sf_count_t len) |
| 1735 | { int bufferlen, writecount ; |
| 1736 | sf_count_t total = 0 ; |
| 1737 | |
| 1738 | if (CPU_IS_LITTLE_ENDIAN) |
| 1739 | return psf_fwrite (ptr, sizeof (int), len, psf) ; |
| 1740 | |
| 1741 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 1742 | |
| 1743 | while (len > 0) |
| 1744 | { if (len < bufferlen) |
| 1745 | bufferlen = (int) len ; |
| 1746 | endswap_int_copy (psf->u.ibuf, ptr + total, bufferlen) ; |
| 1747 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 1748 | total += writecount ; |
| 1749 | if (writecount < bufferlen) |
| 1750 | break ; |
| 1751 | len -= writecount ; |
| 1752 | } ; |
| 1753 | |
| 1754 | return total ; |
| 1755 | } /* pcm_write_i2lei */ |
| 1756 | |
| 1757 | /*------------------------------------------------------------------------------ |
| 1758 | **============================================================================== |
| 1759 | **------------------------------------------------------------------------------ |
| 1760 | */ |
| 1761 | |
| 1762 | static void |
| 1763 | f2sc_array (const float *src, signed char *dest, int count, int normalize) |
| 1764 | { float normfact ; |
| 1765 | |
| 1766 | normfact = normalize ? (1.0 * 0x7F) : 1.0 ; |
| 1767 | |
| 1768 | while (--count >= 0) |
| 1769 | { dest [count] = lrintf (src [count] * normfact) ; |
| 1770 | } ; |
| 1771 | } /* f2sc_array */ |
| 1772 | |
| 1773 | static void |
| 1774 | f2sc_clip_array (const float *src, signed char *dest, int count, int normalize) |
| 1775 | { float normfact, scaled_value ; |
| 1776 | |
| 1777 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x1000000) ; |
| 1778 | |
| 1779 | while (--count >= 0) |
| 1780 | { scaled_value = src [count] * normfact ; |
| 1781 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 1782 | { dest [count] = 127 ; |
| 1783 | continue ; |
| 1784 | } ; |
| 1785 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 1786 | { dest [count] = -128 ; |
| 1787 | continue ; |
| 1788 | } ; |
| 1789 | |
| 1790 | dest [count] = lrintf (scaled_value) >> 24 ; |
| 1791 | } ; |
| 1792 | } /* f2sc_clip_array */ |
| 1793 | |
| 1794 | static sf_count_t |
| 1795 | pcm_write_f2sc (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 1796 | { void (*convert) (const float *, signed char *, int, int) ; |
| 1797 | int bufferlen, writecount ; |
| 1798 | sf_count_t total = 0 ; |
| 1799 | |
| 1800 | convert = (psf->add_clipping) ? f2sc_clip_array : f2sc_array ; |
| 1801 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 1802 | |
| 1803 | while (len > 0) |
| 1804 | { if (len < bufferlen) |
| 1805 | bufferlen = (int) len ; |
| 1806 | convert (ptr + total, psf->u.scbuf, bufferlen, psf->norm_float) ; |
| 1807 | writecount = psf_fwrite (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 1808 | total += writecount ; |
| 1809 | if (writecount < bufferlen) |
| 1810 | break ; |
| 1811 | len -= writecount ; |
| 1812 | } ; |
| 1813 | |
| 1814 | return total ; |
| 1815 | } /* pcm_write_f2sc */ |
| 1816 | |
| 1817 | /*============================================================================== |
| 1818 | */ |
| 1819 | |
| 1820 | static void |
| 1821 | f2uc_array (const float *src, unsigned char *dest, int count, int normalize) |
| 1822 | { float normfact ; |
| 1823 | |
| 1824 | normfact = normalize ? (1.0 * 0x7F) : 1.0 ; |
| 1825 | |
| 1826 | while (--count >= 0) |
| 1827 | { dest [count] = lrintf (src [count] * normfact) + 128 ; |
| 1828 | } ; |
| 1829 | } /* f2uc_array */ |
| 1830 | |
| 1831 | static void |
| 1832 | f2uc_clip_array (const float *src, unsigned char *dest, int count, int normalize) |
| 1833 | { float normfact, scaled_value ; |
| 1834 | |
| 1835 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x1000000) ; |
| 1836 | |
| 1837 | while (--count >= 0) |
| 1838 | { scaled_value = src [count] * normfact ; |
| 1839 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 1840 | { dest [count] = 0xFF ; |
| 1841 | continue ; |
| 1842 | } ; |
| 1843 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 1844 | { dest [count] = 0 ; |
| 1845 | continue ; |
| 1846 | } ; |
| 1847 | |
| 1848 | dest [count] = (lrintf (scaled_value) >> 24) + 128 ; |
| 1849 | } ; |
| 1850 | } /* f2uc_clip_array */ |
| 1851 | |
| 1852 | static sf_count_t |
| 1853 | pcm_write_f2uc (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 1854 | { void (*convert) (const float *, unsigned char *, int, int) ; |
| 1855 | int bufferlen, writecount ; |
| 1856 | sf_count_t total = 0 ; |
| 1857 | |
| 1858 | convert = (psf->add_clipping) ? f2uc_clip_array : f2uc_array ; |
| 1859 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 1860 | |
| 1861 | while (len > 0) |
| 1862 | { if (len < bufferlen) |
| 1863 | bufferlen = (int) len ; |
| 1864 | convert (ptr + total, psf->u.ucbuf, bufferlen, psf->norm_float) ; |
| 1865 | writecount = psf_fwrite (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 1866 | total += writecount ; |
| 1867 | if (writecount < bufferlen) |
| 1868 | break ; |
| 1869 | len -= writecount ; |
| 1870 | } ; |
| 1871 | |
| 1872 | return total ; |
| 1873 | } /* pcm_write_f2uc */ |
| 1874 | |
| 1875 | /*============================================================================== |
| 1876 | */ |
| 1877 | |
| 1878 | static void |
| 1879 | f2bes_array (const float *src, short *dest, int count, int normalize) |
| 1880 | { unsigned char *ucptr ; |
| 1881 | float normfact ; |
| 1882 | short value ; |
| 1883 | |
| 1884 | normfact = normalize ? (1.0 * 0x7FFF) : 1.0 ; |
| 1885 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 1886 | |
| 1887 | while (--count >= 0) |
| 1888 | { ucptr -= 2 ; |
| 1889 | value = lrintf (src [count] * normfact) ; |
| 1890 | ucptr [1] = value ; |
| 1891 | ucptr [0] = value >> 8 ; |
| 1892 | } ; |
| 1893 | } /* f2bes_array */ |
| 1894 | |
| 1895 | static void |
| 1896 | f2bes_clip_array (const float *src, short *dest, int count, int normalize) |
| 1897 | { unsigned char *ucptr ; |
| 1898 | float normfact, scaled_value ; |
| 1899 | int value ; |
| 1900 | |
| 1901 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x10000) ; |
| 1902 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 1903 | |
| 1904 | while (--count >= 0) |
| 1905 | { ucptr -= 2 ; |
| 1906 | scaled_value = src [count] * normfact ; |
| 1907 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 1908 | { ucptr [1] = 0xFF ; |
| 1909 | ucptr [0] = 0x7F ; |
| 1910 | continue ; |
| 1911 | } ; |
| 1912 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 1913 | { ucptr [1] = 0x00 ; |
| 1914 | ucptr [0] = 0x80 ; |
| 1915 | continue ; |
| 1916 | } ; |
| 1917 | |
| 1918 | value = lrintf (scaled_value) ; |
| 1919 | ucptr [1] = value >> 16 ; |
| 1920 | ucptr [0] = value >> 24 ; |
| 1921 | } ; |
| 1922 | } /* f2bes_clip_array */ |
| 1923 | |
| 1924 | static sf_count_t |
| 1925 | pcm_write_f2bes (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 1926 | { void (*convert) (const float *, short *t, int, int) ; |
| 1927 | int bufferlen, writecount ; |
| 1928 | sf_count_t total = 0 ; |
| 1929 | |
| 1930 | convert = (psf->add_clipping) ? f2bes_clip_array : f2bes_array ; |
| 1931 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 1932 | |
| 1933 | while (len > 0) |
| 1934 | { if (len < bufferlen) |
| 1935 | bufferlen = (int) len ; |
| 1936 | convert (ptr + total, psf->u.sbuf, bufferlen, psf->norm_float) ; |
| 1937 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 1938 | total += writecount ; |
| 1939 | if (writecount < bufferlen) |
| 1940 | break ; |
| 1941 | len -= writecount ; |
| 1942 | } ; |
| 1943 | |
| 1944 | return total ; |
| 1945 | } /* pcm_write_f2bes */ |
| 1946 | |
| 1947 | /*============================================================================== |
| 1948 | */ |
| 1949 | |
| 1950 | static void |
| 1951 | f2les_array (const float *src, short *dest, int count, int normalize) |
| 1952 | { unsigned char *ucptr ; |
| 1953 | float normfact ; |
| 1954 | int value ; |
| 1955 | |
| 1956 | normfact = normalize ? (1.0 * 0x7FFF) : 1.0 ; |
| 1957 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 1958 | |
| 1959 | while (--count >= 0) |
| 1960 | { ucptr -= 2 ; |
| 1961 | value = lrintf (src [count] * normfact) ; |
| 1962 | ucptr [0] = value ; |
| 1963 | ucptr [1] = value >> 8 ; |
| 1964 | } ; |
| 1965 | } /* f2les_array */ |
| 1966 | |
| 1967 | static void |
| 1968 | f2les_clip_array (const float *src, short *dest, int count, int normalize) |
| 1969 | { unsigned char *ucptr ; |
| 1970 | float normfact, scaled_value ; |
| 1971 | int value ; |
| 1972 | |
| 1973 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x10000) ; |
| 1974 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 1975 | |
| 1976 | while (--count >= 0) |
| 1977 | { ucptr -= 2 ; |
| 1978 | scaled_value = src [count] * normfact ; |
| 1979 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 1980 | { ucptr [0] = 0xFF ; |
| 1981 | ucptr [1] = 0x7F ; |
| 1982 | continue ; |
| 1983 | } ; |
| 1984 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 1985 | { ucptr [0] = 0x00 ; |
| 1986 | ucptr [1] = 0x80 ; |
| 1987 | continue ; |
| 1988 | } ; |
| 1989 | |
| 1990 | value = lrintf (scaled_value) ; |
| 1991 | ucptr [0] = value >> 16 ; |
| 1992 | ucptr [1] = value >> 24 ; |
| 1993 | } ; |
| 1994 | } /* f2les_clip_array */ |
| 1995 | |
| 1996 | static sf_count_t |
| 1997 | pcm_write_f2les (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 1998 | { void (*convert) (const float *, short *t, int, int) ; |
| 1999 | int bufferlen, writecount ; |
| 2000 | sf_count_t total = 0 ; |
| 2001 | |
| 2002 | convert = (psf->add_clipping) ? f2les_clip_array : f2les_array ; |
| 2003 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 2004 | |
| 2005 | while (len > 0) |
| 2006 | { if (len < bufferlen) |
| 2007 | bufferlen = (int) len ; |
| 2008 | convert (ptr + total, psf->u.sbuf, bufferlen, psf->norm_float) ; |
| 2009 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 2010 | total += writecount ; |
| 2011 | if (writecount < bufferlen) |
| 2012 | break ; |
| 2013 | len -= writecount ; |
| 2014 | } ; |
| 2015 | |
| 2016 | return total ; |
| 2017 | } /* pcm_write_f2les */ |
| 2018 | |
| 2019 | /*============================================================================== |
| 2020 | */ |
| 2021 | |
| 2022 | static void |
| 2023 | f2let_array (const float *src, tribyte *dest, int count, int normalize) |
| 2024 | { unsigned char *ucptr ; |
| 2025 | float normfact ; |
| 2026 | int value ; |
| 2027 | |
| 2028 | normfact = normalize ? (1.0 * 0x7FFFFF) : 1.0 ; |
| 2029 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2030 | |
| 2031 | while (--count >= 0) |
| 2032 | { ucptr -= 3 ; |
| 2033 | value = lrintf (src [count] * normfact) ; |
| 2034 | ucptr [0] = value ; |
| 2035 | ucptr [1] = value >> 8 ; |
| 2036 | ucptr [2] = value >> 16 ; |
| 2037 | } ; |
| 2038 | } /* f2let_array */ |
| 2039 | |
| 2040 | static void |
| 2041 | f2let_clip_array (const float *src, tribyte *dest, int count, int normalize) |
| 2042 | { unsigned char *ucptr ; |
| 2043 | float normfact, scaled_value ; |
| 2044 | int value ; |
| 2045 | |
| 2046 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x100) ; |
| 2047 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2048 | |
| 2049 | while (--count >= 0) |
| 2050 | { ucptr -= 3 ; |
| 2051 | scaled_value = src [count] * normfact ; |
| 2052 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2053 | { ucptr [0] = 0xFF ; |
| 2054 | ucptr [1] = 0xFF ; |
| 2055 | ucptr [2] = 0x7F ; |
| 2056 | continue ; |
| 2057 | } ; |
| 2058 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2059 | { ucptr [0] = 0x00 ; |
| 2060 | ucptr [1] = 0x00 ; |
| 2061 | ucptr [2] = 0x80 ; |
| 2062 | continue ; |
| 2063 | } ; |
| 2064 | |
| 2065 | value = lrintf (scaled_value) ; |
| 2066 | ucptr [0] = value >> 8 ; |
| 2067 | ucptr [1] = value >> 16 ; |
| 2068 | ucptr [2] = value >> 24 ; |
| 2069 | } ; |
| 2070 | } /* f2let_clip_array */ |
| 2071 | |
| 2072 | static sf_count_t |
| 2073 | pcm_write_f2let (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 2074 | { void (*convert) (const float *, tribyte *, int, int) ; |
| 2075 | int bufferlen, writecount ; |
| 2076 | sf_count_t total = 0 ; |
| 2077 | |
| 2078 | convert = (psf->add_clipping) ? f2let_clip_array : f2let_array ; |
| 2079 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 2080 | |
| 2081 | while (len > 0) |
| 2082 | { if (len < bufferlen) |
| 2083 | bufferlen = (int) len ; |
| 2084 | convert (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen, psf->norm_float) ; |
| 2085 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 2086 | total += writecount ; |
| 2087 | if (writecount < bufferlen) |
| 2088 | break ; |
| 2089 | len -= writecount ; |
| 2090 | } ; |
| 2091 | |
| 2092 | return total ; |
| 2093 | } /* pcm_write_f2let */ |
| 2094 | |
| 2095 | /*============================================================================== |
| 2096 | */ |
| 2097 | |
| 2098 | static void |
| 2099 | f2bet_array (const float *src, tribyte *dest, int count, int normalize) |
| 2100 | { unsigned char *ucptr ; |
| 2101 | float normfact ; |
| 2102 | int value ; |
| 2103 | |
| 2104 | normfact = normalize ? (1.0 * 0x7FFFFF) : 1.0 ; |
| 2105 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2106 | |
| 2107 | while (--count >= 0) |
| 2108 | { ucptr -= 3 ; |
| 2109 | value = lrintf (src [count] * normfact) ; |
| 2110 | ucptr [0] = value >> 16 ; |
| 2111 | ucptr [1] = value >> 8 ; |
| 2112 | ucptr [2] = value ; |
| 2113 | } ; |
| 2114 | } /* f2bet_array */ |
| 2115 | |
| 2116 | static void |
| 2117 | f2bet_clip_array (const float *src, tribyte *dest, int count, int normalize) |
| 2118 | { unsigned char *ucptr ; |
| 2119 | float normfact, scaled_value ; |
| 2120 | int value ; |
| 2121 | |
| 2122 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x100) ; |
| 2123 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2124 | |
| 2125 | while (--count >= 0) |
| 2126 | { ucptr -= 3 ; |
| 2127 | scaled_value = src [count] * normfact ; |
| 2128 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2129 | { ucptr [0] = 0x7F ; |
| 2130 | ucptr [1] = 0xFF ; |
| 2131 | ucptr [2] = 0xFF ; |
| 2132 | continue ; |
| 2133 | } ; |
| 2134 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2135 | { ucptr [0] = 0x80 ; |
| 2136 | ucptr [1] = 0x00 ; |
| 2137 | ucptr [2] = 0x00 ; |
| 2138 | continue ; |
| 2139 | } ; |
| 2140 | |
| 2141 | value = lrint (scaled_value) ; |
| 2142 | ucptr [0] = value >> 24 ; |
| 2143 | ucptr [1] = value >> 16 ; |
| 2144 | ucptr [2] = value >> 8 ; |
| 2145 | } ; |
| 2146 | } /* f2bet_clip_array */ |
| 2147 | |
| 2148 | static sf_count_t |
| 2149 | pcm_write_f2bet (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 2150 | { void (*convert) (const float *, tribyte *, int, int) ; |
| 2151 | int bufferlen, writecount ; |
| 2152 | sf_count_t total = 0 ; |
| 2153 | |
| 2154 | convert = (psf->add_clipping) ? f2bet_clip_array : f2bet_array ; |
| 2155 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 2156 | |
| 2157 | while (len > 0) |
| 2158 | { if (len < bufferlen) |
| 2159 | bufferlen = (int) len ; |
| 2160 | convert (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen, psf->norm_float) ; |
| 2161 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 2162 | total += writecount ; |
| 2163 | if (writecount < bufferlen) |
| 2164 | break ; |
| 2165 | len -= writecount ; |
| 2166 | } ; |
| 2167 | |
| 2168 | return total ; |
| 2169 | } /* pcm_write_f2bet */ |
| 2170 | |
| 2171 | /*============================================================================== |
| 2172 | */ |
| 2173 | |
| 2174 | static void |
| 2175 | f2bei_array (const float *src, int *dest, int count, int normalize) |
| 2176 | { unsigned char *ucptr ; |
| 2177 | float normfact ; |
| 2178 | int value ; |
| 2179 | |
| 2180 | normfact = normalize ? (1.0 * 0x7FFFFFFF) : 1.0 ; |
| 2181 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2182 | while (--count >= 0) |
| 2183 | { ucptr -= 4 ; |
| 2184 | value = lrintf (src [count] * normfact) ; |
| 2185 | ucptr [0] = value >> 24 ; |
| 2186 | ucptr [1] = value >> 16 ; |
| 2187 | ucptr [2] = value >> 8 ; |
| 2188 | ucptr [3] = value ; |
| 2189 | } ; |
| 2190 | } /* f2bei_array */ |
| 2191 | |
| 2192 | static void |
| 2193 | f2bei_clip_array (const float *src, int *dest, int count, int normalize) |
| 2194 | { unsigned char *ucptr ; |
| 2195 | float normfact, scaled_value ; |
| 2196 | int value ; |
| 2197 | |
| 2198 | normfact = normalize ? (8.0 * 0x10000000) : 1.0 ; |
| 2199 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2200 | |
| 2201 | while (--count >= 0) |
| 2202 | { ucptr -= 4 ; |
| 2203 | scaled_value = src [count] * normfact ; |
| 2204 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= 1.0 * 0x7FFFFFFF) |
| 2205 | { ucptr [0] = 0x7F ; |
| 2206 | ucptr [1] = 0xFF ; |
| 2207 | ucptr [2] = 0xFF ; |
| 2208 | ucptr [3] = 0xFF ; |
| 2209 | continue ; |
| 2210 | } ; |
| 2211 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2212 | { ucptr [0] = 0x80 ; |
| 2213 | ucptr [1] = 0x00 ; |
| 2214 | ucptr [2] = 0x00 ; |
| 2215 | ucptr [3] = 0x00 ; |
| 2216 | continue ; |
| 2217 | } ; |
| 2218 | |
| 2219 | value = lrintf (scaled_value) ; |
| 2220 | ucptr [0] = value >> 24 ; |
| 2221 | ucptr [1] = value >> 16 ; |
| 2222 | ucptr [2] = value >> 8 ; |
| 2223 | ucptr [3] = value ; |
| 2224 | } ; |
| 2225 | } /* f2bei_clip_array */ |
| 2226 | |
| 2227 | static sf_count_t |
| 2228 | pcm_write_f2bei (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 2229 | { void (*convert) (const float *, int *, int, int) ; |
| 2230 | int bufferlen, writecount ; |
| 2231 | sf_count_t total = 0 ; |
| 2232 | |
| 2233 | convert = (psf->add_clipping) ? f2bei_clip_array : f2bei_array ; |
| 2234 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 2235 | |
| 2236 | while (len > 0) |
| 2237 | { if (len < bufferlen) |
| 2238 | bufferlen = (int) len ; |
| 2239 | convert (ptr + total, psf->u.ibuf, bufferlen, psf->norm_float) ; |
| 2240 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 2241 | total += writecount ; |
| 2242 | if (writecount < bufferlen) |
| 2243 | break ; |
| 2244 | len -= writecount ; |
| 2245 | } ; |
| 2246 | |
| 2247 | return total ; |
| 2248 | } /* pcm_write_f2bei */ |
| 2249 | |
| 2250 | /*============================================================================== |
| 2251 | */ |
| 2252 | |
| 2253 | static void |
| 2254 | f2lei_array (const float *src, int *dest, int count, int normalize) |
| 2255 | { unsigned char *ucptr ; |
| 2256 | float normfact ; |
| 2257 | int value ; |
| 2258 | |
| 2259 | normfact = normalize ? (1.0 * 0x7FFFFFFF) : 1.0 ; |
| 2260 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2261 | |
| 2262 | while (--count >= 0) |
| 2263 | { ucptr -= 4 ; |
| 2264 | value = lrintf (src [count] * normfact) ; |
| 2265 | ucptr [0] = value ; |
| 2266 | ucptr [1] = value >> 8 ; |
| 2267 | ucptr [2] = value >> 16 ; |
| 2268 | ucptr [3] = value >> 24 ; |
| 2269 | } ; |
| 2270 | } /* f2lei_array */ |
| 2271 | |
| 2272 | static void |
| 2273 | f2lei_clip_array (const float *src, int *dest, int count, int normalize) |
| 2274 | { unsigned char *ucptr ; |
| 2275 | float normfact, scaled_value ; |
| 2276 | int value ; |
| 2277 | |
| 2278 | normfact = normalize ? (8.0 * 0x10000000) : 1.0 ; |
| 2279 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2280 | |
| 2281 | while (--count >= 0) |
| 2282 | { ucptr -= 4 ; |
| 2283 | scaled_value = src [count] * normfact ; |
| 2284 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2285 | { ucptr [0] = 0xFF ; |
| 2286 | ucptr [1] = 0xFF ; |
| 2287 | ucptr [2] = 0xFF ; |
| 2288 | ucptr [3] = 0x7F ; |
| 2289 | continue ; |
| 2290 | } ; |
| 2291 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2292 | { ucptr [0] = 0x00 ; |
| 2293 | ucptr [1] = 0x00 ; |
| 2294 | ucptr [2] = 0x00 ; |
| 2295 | ucptr [3] = 0x80 ; |
| 2296 | continue ; |
| 2297 | } ; |
| 2298 | |
| 2299 | value = lrintf (scaled_value) ; |
| 2300 | ucptr [0] = value ; |
| 2301 | ucptr [1] = value >> 8 ; |
| 2302 | ucptr [2] = value >> 16 ; |
| 2303 | ucptr [3] = value >> 24 ; |
| 2304 | } ; |
| 2305 | } /* f2lei_clip_array */ |
| 2306 | |
| 2307 | static sf_count_t |
| 2308 | pcm_write_f2lei (SF_PRIVATE *psf, const float *ptr, sf_count_t len) |
| 2309 | { void (*convert) (const float *, int *, int, int) ; |
| 2310 | int bufferlen, writecount ; |
| 2311 | sf_count_t total = 0 ; |
| 2312 | |
| 2313 | convert = (psf->add_clipping) ? f2lei_clip_array : f2lei_array ; |
| 2314 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 2315 | |
| 2316 | while (len > 0) |
| 2317 | { if (len < bufferlen) |
| 2318 | bufferlen = (int) len ; |
| 2319 | convert (ptr + total, psf->u.ibuf, bufferlen, psf->norm_float) ; |
| 2320 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 2321 | total += writecount ; |
| 2322 | if (writecount < bufferlen) |
| 2323 | break ; |
| 2324 | len -= writecount ; |
| 2325 | } ; |
| 2326 | |
| 2327 | return total ; |
| 2328 | } /* pcm_write_f2lei */ |
| 2329 | |
| 2330 | /*============================================================================== |
| 2331 | */ |
| 2332 | |
| 2333 | static void |
| 2334 | d2sc_array (const double *src, signed char *dest, int count, int normalize) |
| 2335 | { double normfact ; |
| 2336 | |
| 2337 | normfact = normalize ? (1.0 * 0x7F) : 1.0 ; |
| 2338 | |
| 2339 | while (--count >= 0) |
| 2340 | { dest [count] = lrint (src [count] * normfact) ; |
| 2341 | } ; |
| 2342 | } /* d2sc_array */ |
| 2343 | |
| 2344 | static void |
| 2345 | d2sc_clip_array (const double *src, signed char *dest, int count, int normalize) |
| 2346 | { double normfact, scaled_value ; |
| 2347 | |
| 2348 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x1000000) ; |
| 2349 | |
| 2350 | while (--count >= 0) |
| 2351 | { scaled_value = src [count] * normfact ; |
| 2352 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2353 | { dest [count] = 127 ; |
| 2354 | continue ; |
| 2355 | } ; |
| 2356 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2357 | { dest [count] = -128 ; |
| 2358 | continue ; |
| 2359 | } ; |
| 2360 | |
| 2361 | dest [count] = lrintf (scaled_value) >> 24 ; |
| 2362 | } ; |
| 2363 | } /* d2sc_clip_array */ |
| 2364 | |
| 2365 | static sf_count_t |
| 2366 | pcm_write_d2sc (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2367 | { void (*convert) (const double *, signed char *, int, int) ; |
| 2368 | int bufferlen, writecount ; |
| 2369 | sf_count_t total = 0 ; |
| 2370 | |
| 2371 | convert = (psf->add_clipping) ? d2sc_clip_array : d2sc_array ; |
| 2372 | bufferlen = ARRAY_LEN (psf->u.scbuf) ; |
| 2373 | |
| 2374 | while (len > 0) |
| 2375 | { if (len < bufferlen) |
| 2376 | bufferlen = (int) len ; |
| 2377 | convert (ptr + total, psf->u.scbuf, bufferlen, psf->norm_double) ; |
| 2378 | writecount = psf_fwrite (psf->u.scbuf, sizeof (signed char), bufferlen, psf) ; |
| 2379 | total += writecount ; |
| 2380 | if (writecount < bufferlen) |
| 2381 | break ; |
| 2382 | len -= writecount ; |
| 2383 | } ; |
| 2384 | |
| 2385 | return total ; |
| 2386 | } /* pcm_write_d2sc */ |
| 2387 | |
| 2388 | /*============================================================================== |
| 2389 | */ |
| 2390 | |
| 2391 | static void |
| 2392 | d2uc_array (const double *src, unsigned char *dest, int count, int normalize) |
| 2393 | { double normfact ; |
| 2394 | |
| 2395 | normfact = normalize ? (1.0 * 0x7F) : 1.0 ; |
| 2396 | |
| 2397 | while (--count >= 0) |
| 2398 | { dest [count] = lrint (src [count] * normfact) + 128 ; |
| 2399 | } ; |
| 2400 | } /* d2uc_array */ |
| 2401 | |
| 2402 | static void |
| 2403 | d2uc_clip_array (const double *src, unsigned char *dest, int count, int normalize) |
| 2404 | { double normfact, scaled_value ; |
| 2405 | |
| 2406 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x1000000) ; |
| 2407 | |
| 2408 | while (--count >= 0) |
| 2409 | { scaled_value = src [count] * normfact ; |
| 2410 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2411 | { dest [count] = 255 ; |
| 2412 | continue ; |
| 2413 | } ; |
| 2414 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2415 | { dest [count] = 0 ; |
| 2416 | continue ; |
| 2417 | } ; |
| 2418 | |
| 2419 | dest [count] = (lrint (src [count] * normfact) >> 24) + 128 ; |
| 2420 | } ; |
| 2421 | } /* d2uc_clip_array */ |
| 2422 | |
| 2423 | static sf_count_t |
| 2424 | pcm_write_d2uc (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2425 | { void (*convert) (const double *, unsigned char *, int, int) ; |
| 2426 | int bufferlen, writecount ; |
| 2427 | sf_count_t total = 0 ; |
| 2428 | |
| 2429 | convert = (psf->add_clipping) ? d2uc_clip_array : d2uc_array ; |
| 2430 | bufferlen = ARRAY_LEN (psf->u.ucbuf) ; |
| 2431 | |
| 2432 | while (len > 0) |
| 2433 | { if (len < bufferlen) |
| 2434 | bufferlen = (int) len ; |
| 2435 | convert (ptr + total, psf->u.ucbuf, bufferlen, psf->norm_double) ; |
| 2436 | writecount = psf_fwrite (psf->u.ucbuf, sizeof (unsigned char), bufferlen, psf) ; |
| 2437 | total += writecount ; |
| 2438 | if (writecount < bufferlen) |
| 2439 | break ; |
| 2440 | len -= writecount ; |
| 2441 | } ; |
| 2442 | |
| 2443 | return total ; |
| 2444 | } /* pcm_write_d2uc */ |
| 2445 | |
| 2446 | /*============================================================================== |
| 2447 | */ |
| 2448 | |
| 2449 | static void |
| 2450 | d2bes_array (const double *src, short *dest, int count, int normalize) |
| 2451 | { unsigned char *ucptr ; |
| 2452 | short value ; |
| 2453 | double normfact ; |
| 2454 | |
| 2455 | normfact = normalize ? (1.0 * 0x7FFF) : 1.0 ; |
| 2456 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 2457 | |
| 2458 | while (--count >= 0) |
| 2459 | { ucptr -= 2 ; |
| 2460 | value = lrint (src [count] * normfact) ; |
| 2461 | ucptr [1] = value ; |
| 2462 | ucptr [0] = value >> 8 ; |
| 2463 | } ; |
| 2464 | } /* d2bes_array */ |
| 2465 | |
| 2466 | static void |
| 2467 | d2bes_clip_array (const double *src, short *dest, int count, int normalize) |
| 2468 | { unsigned char *ucptr ; |
| 2469 | double normfact, scaled_value ; |
| 2470 | int value ; |
| 2471 | |
| 2472 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x10000) ; |
| 2473 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 2474 | |
| 2475 | while (--count >= 0) |
| 2476 | { ucptr -= 2 ; |
| 2477 | scaled_value = src [count] * normfact ; |
| 2478 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2479 | { ucptr [1] = 0xFF ; |
| 2480 | ucptr [0] = 0x7F ; |
| 2481 | continue ; |
| 2482 | } ; |
| 2483 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2484 | { ucptr [1] = 0x00 ; |
| 2485 | ucptr [0] = 0x80 ; |
| 2486 | continue ; |
| 2487 | } ; |
| 2488 | |
| 2489 | value = lrint (scaled_value) ; |
| 2490 | ucptr [1] = value >> 16 ; |
| 2491 | ucptr [0] = value >> 24 ; |
| 2492 | } ; |
| 2493 | } /* d2bes_clip_array */ |
| 2494 | |
| 2495 | static sf_count_t |
| 2496 | pcm_write_d2bes (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2497 | { void (*convert) (const double *, short *, int, int) ; |
| 2498 | int bufferlen, writecount ; |
| 2499 | sf_count_t total = 0 ; |
| 2500 | |
| 2501 | convert = (psf->add_clipping) ? d2bes_clip_array : d2bes_array ; |
| 2502 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 2503 | |
| 2504 | while (len > 0) |
| 2505 | { if (len < bufferlen) |
| 2506 | bufferlen = (int) len ; |
| 2507 | convert (ptr + total, psf->u.sbuf, bufferlen, psf->norm_double) ; |
| 2508 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 2509 | total += writecount ; |
| 2510 | if (writecount < bufferlen) |
| 2511 | break ; |
| 2512 | len -= writecount ; |
| 2513 | } ; |
| 2514 | |
| 2515 | return total ; |
| 2516 | } /* pcm_write_d2bes */ |
| 2517 | |
| 2518 | /*============================================================================== |
| 2519 | */ |
| 2520 | |
| 2521 | static void |
| 2522 | d2les_array (const double *src, short *dest, int count, int normalize) |
| 2523 | { unsigned char *ucptr ; |
| 2524 | short value ; |
| 2525 | double normfact ; |
| 2526 | |
| 2527 | normfact = normalize ? (1.0 * 0x7FFF) : 1.0 ; |
| 2528 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 2529 | |
| 2530 | while (--count >= 0) |
| 2531 | { ucptr -= 2 ; |
| 2532 | value = lrint (src [count] * normfact) ; |
| 2533 | ucptr [0] = value ; |
| 2534 | ucptr [1] = value >> 8 ; |
| 2535 | } ; |
| 2536 | } /* d2les_array */ |
| 2537 | |
| 2538 | static void |
| 2539 | d2les_clip_array (const double *src, short *dest, int count, int normalize) |
| 2540 | { unsigned char *ucptr ; |
| 2541 | int value ; |
| 2542 | double normfact, scaled_value ; |
| 2543 | |
| 2544 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x10000) ; |
| 2545 | ucptr = ((unsigned char*) dest) + 2 * count ; |
| 2546 | |
| 2547 | while (--count >= 0) |
| 2548 | { ucptr -= 2 ; |
| 2549 | scaled_value = src [count] * normfact ; |
| 2550 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2551 | { ucptr [0] = 0xFF ; |
| 2552 | ucptr [1] = 0x7F ; |
| 2553 | continue ; |
| 2554 | } ; |
| 2555 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2556 | { ucptr [0] = 0x00 ; |
| 2557 | ucptr [1] = 0x80 ; |
| 2558 | continue ; |
| 2559 | } ; |
| 2560 | |
| 2561 | value = lrint (scaled_value) ; |
| 2562 | ucptr [0] = value >> 16 ; |
| 2563 | ucptr [1] = value >> 24 ; |
| 2564 | } ; |
| 2565 | } /* d2les_clip_array */ |
| 2566 | |
| 2567 | static sf_count_t |
| 2568 | pcm_write_d2les (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2569 | { void (*convert) (const double *, short *, int, int) ; |
| 2570 | int bufferlen, writecount ; |
| 2571 | sf_count_t total = 0 ; |
| 2572 | |
| 2573 | convert = (psf->add_clipping) ? d2les_clip_array : d2les_array ; |
| 2574 | bufferlen = ARRAY_LEN (psf->u.sbuf) ; |
| 2575 | |
| 2576 | while (len > 0) |
| 2577 | { if (len < bufferlen) |
| 2578 | bufferlen = (int) len ; |
| 2579 | convert (ptr + total, psf->u.sbuf, bufferlen, psf->norm_double) ; |
| 2580 | writecount = psf_fwrite (psf->u.sbuf, sizeof (short), bufferlen, psf) ; |
| 2581 | total += writecount ; |
| 2582 | if (writecount < bufferlen) |
| 2583 | break ; |
| 2584 | len -= writecount ; |
| 2585 | } ; |
| 2586 | |
| 2587 | return total ; |
| 2588 | } /* pcm_write_d2les */ |
| 2589 | |
| 2590 | /*============================================================================== |
| 2591 | */ |
| 2592 | |
| 2593 | static void |
| 2594 | d2let_array (const double *src, tribyte *dest, int count, int normalize) |
| 2595 | { unsigned char *ucptr ; |
| 2596 | int value ; |
| 2597 | double normfact ; |
| 2598 | |
| 2599 | normfact = normalize ? (1.0 * 0x7FFFFF) : 1.0 ; |
| 2600 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2601 | |
| 2602 | while (--count >= 0) |
| 2603 | { ucptr -= 3 ; |
| 2604 | value = lrint (src [count] * normfact) ; |
| 2605 | ucptr [0] = value ; |
| 2606 | ucptr [1] = value >> 8 ; |
| 2607 | ucptr [2] = value >> 16 ; |
| 2608 | } ; |
| 2609 | } /* d2let_array */ |
| 2610 | |
| 2611 | static void |
| 2612 | d2let_clip_array (const double *src, tribyte *dest, int count, int normalize) |
| 2613 | { unsigned char *ucptr ; |
| 2614 | int value ; |
| 2615 | double normfact, scaled_value ; |
| 2616 | |
| 2617 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x100) ; |
| 2618 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2619 | |
| 2620 | while (--count >= 0) |
| 2621 | { ucptr -= 3 ; |
| 2622 | scaled_value = src [count] * normfact ; |
| 2623 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2624 | { ucptr [0] = 0xFF ; |
| 2625 | ucptr [1] = 0xFF ; |
| 2626 | ucptr [2] = 0x7F ; |
| 2627 | continue ; |
| 2628 | } ; |
| 2629 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2630 | { ucptr [0] = 0x00 ; |
| 2631 | ucptr [1] = 0x00 ; |
| 2632 | ucptr [2] = 0x80 ; |
| 2633 | continue ; |
| 2634 | } ; |
| 2635 | |
| 2636 | value = lrint (scaled_value) ; |
| 2637 | ucptr [0] = value >> 8 ; |
| 2638 | ucptr [1] = value >> 16 ; |
| 2639 | ucptr [2] = value >> 24 ; |
| 2640 | } ; |
| 2641 | } /* d2let_clip_array */ |
| 2642 | |
| 2643 | static sf_count_t |
| 2644 | pcm_write_d2let (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2645 | { void (*convert) (const double *, tribyte *, int, int) ; |
| 2646 | int bufferlen, writecount ; |
| 2647 | sf_count_t total = 0 ; |
| 2648 | |
| 2649 | convert = (psf->add_clipping) ? d2let_clip_array : d2let_array ; |
| 2650 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 2651 | |
| 2652 | while (len > 0) |
| 2653 | { if (len < bufferlen) |
| 2654 | bufferlen = (int) len ; |
| 2655 | convert (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen, psf->norm_double) ; |
| 2656 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 2657 | total += writecount ; |
| 2658 | if (writecount < bufferlen) |
| 2659 | break ; |
| 2660 | len -= writecount ; |
| 2661 | } ; |
| 2662 | |
| 2663 | return total ; |
| 2664 | } /* pcm_write_d2let */ |
| 2665 | |
| 2666 | /*============================================================================== |
| 2667 | */ |
| 2668 | |
| 2669 | static void |
| 2670 | d2bet_array (const double *src, tribyte *dest, int count, int normalize) |
| 2671 | { unsigned char *ucptr ; |
| 2672 | int value ; |
| 2673 | double normfact ; |
| 2674 | |
| 2675 | normfact = normalize ? (1.0 * 0x7FFFFF) : 1.0 ; |
| 2676 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2677 | |
| 2678 | while (--count >= 0) |
| 2679 | { ucptr -= 3 ; |
| 2680 | value = lrint (src [count] * normfact) ; |
| 2681 | ucptr [2] = value ; |
| 2682 | ucptr [1] = value >> 8 ; |
| 2683 | ucptr [0] = value >> 16 ; |
| 2684 | } ; |
| 2685 | } /* d2bet_array */ |
| 2686 | |
| 2687 | static void |
| 2688 | d2bet_clip_array (const double *src, tribyte *dest, int count, int normalize) |
| 2689 | { unsigned char *ucptr ; |
| 2690 | int value ; |
| 2691 | double normfact, scaled_value ; |
| 2692 | |
| 2693 | normfact = normalize ? (8.0 * 0x10000000) : (1.0 * 0x100) ; |
| 2694 | ucptr = ((unsigned char*) dest) + 3 * count ; |
| 2695 | |
| 2696 | while (--count >= 0) |
| 2697 | { ucptr -= 3 ; |
| 2698 | scaled_value = src [count] * normfact ; |
| 2699 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2700 | { ucptr [2] = 0xFF ; |
| 2701 | ucptr [1] = 0xFF ; |
| 2702 | ucptr [0] = 0x7F ; |
| 2703 | continue ; |
| 2704 | } ; |
| 2705 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2706 | { ucptr [2] = 0x00 ; |
| 2707 | ucptr [1] = 0x00 ; |
| 2708 | ucptr [0] = 0x80 ; |
| 2709 | continue ; |
| 2710 | } ; |
| 2711 | |
| 2712 | value = lrint (scaled_value) ; |
| 2713 | ucptr [2] = value >> 8 ; |
| 2714 | ucptr [1] = value >> 16 ; |
| 2715 | ucptr [0] = value >> 24 ; |
| 2716 | } ; |
| 2717 | } /* d2bet_clip_array */ |
| 2718 | |
| 2719 | static sf_count_t |
| 2720 | pcm_write_d2bet (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2721 | { void (*convert) (const double *, tribyte *, int, int) ; |
| 2722 | int bufferlen, writecount ; |
| 2723 | sf_count_t total = 0 ; |
| 2724 | |
| 2725 | convert = (psf->add_clipping) ? d2bet_clip_array : d2bet_array ; |
| 2726 | bufferlen = sizeof (psf->u.ucbuf) / SIZEOF_TRIBYTE ; |
| 2727 | |
| 2728 | while (len > 0) |
| 2729 | { if (len < bufferlen) |
| 2730 | bufferlen = (int) len ; |
| 2731 | convert (ptr + total, (tribyte*) (psf->u.ucbuf), bufferlen, psf->norm_double) ; |
| 2732 | writecount = psf_fwrite (psf->u.ucbuf, SIZEOF_TRIBYTE, bufferlen, psf) ; |
| 2733 | total += writecount ; |
| 2734 | if (writecount < bufferlen) |
| 2735 | break ; |
| 2736 | len -= writecount ; |
| 2737 | } ; |
| 2738 | |
| 2739 | return total ; |
| 2740 | } /* pcm_write_d2bet */ |
| 2741 | |
| 2742 | /*============================================================================== |
| 2743 | */ |
| 2744 | |
| 2745 | static void |
| 2746 | d2bei_array (const double *src, int *dest, int count, int normalize) |
| 2747 | { unsigned char *ucptr ; |
| 2748 | int value ; |
| 2749 | double normfact ; |
| 2750 | |
| 2751 | normfact = normalize ? (1.0 * 0x7FFFFFFF) : 1.0 ; |
| 2752 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2753 | |
| 2754 | while (--count >= 0) |
| 2755 | { ucptr -= 4 ; |
| 2756 | value = lrint (src [count] * normfact) ; |
| 2757 | ucptr [0] = value >> 24 ; |
| 2758 | ucptr [1] = value >> 16 ; |
| 2759 | ucptr [2] = value >> 8 ; |
| 2760 | ucptr [3] = value ; |
| 2761 | } ; |
| 2762 | } /* d2bei_array */ |
| 2763 | |
| 2764 | static void |
| 2765 | d2bei_clip_array (const double *src, int *dest, int count, int normalize) |
| 2766 | { unsigned char *ucptr ; |
| 2767 | int value ; |
| 2768 | double normfact, scaled_value ; |
| 2769 | |
| 2770 | normfact = normalize ? (8.0 * 0x10000000) : 1.0 ; |
| 2771 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2772 | |
| 2773 | while (--count >= 0) |
| 2774 | { ucptr -= 4 ; |
| 2775 | scaled_value = src [count] * normfact ; |
| 2776 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2777 | { ucptr [3] = 0xFF ; |
| 2778 | ucptr [2] = 0xFF ; |
| 2779 | ucptr [1] = 0xFF ; |
| 2780 | ucptr [0] = 0x7F ; |
| 2781 | continue ; |
| 2782 | } ; |
| 2783 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2784 | { ucptr [3] = 0x00 ; |
| 2785 | ucptr [2] = 0x00 ; |
| 2786 | ucptr [1] = 0x00 ; |
| 2787 | ucptr [0] = 0x80 ; |
| 2788 | continue ; |
| 2789 | } ; |
| 2790 | |
| 2791 | value = lrint (scaled_value) ; |
| 2792 | ucptr [0] = value >> 24 ; |
| 2793 | ucptr [1] = value >> 16 ; |
| 2794 | ucptr [2] = value >> 8 ; |
| 2795 | ucptr [3] = value ; |
| 2796 | } ; |
| 2797 | } /* d2bei_clip_array */ |
| 2798 | |
| 2799 | static sf_count_t |
| 2800 | pcm_write_d2bei (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2801 | { void (*convert) (const double *, int *, int, int) ; |
| 2802 | int bufferlen, writecount ; |
| 2803 | sf_count_t total = 0 ; |
| 2804 | |
| 2805 | convert = (psf->add_clipping) ? d2bei_clip_array : d2bei_array ; |
| 2806 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 2807 | |
| 2808 | while (len > 0) |
| 2809 | { if (len < bufferlen) |
| 2810 | bufferlen = (int) len ; |
| 2811 | convert (ptr + total, psf->u.ibuf, bufferlen, psf->norm_double) ; |
| 2812 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 2813 | total += writecount ; |
| 2814 | if (writecount < bufferlen) |
| 2815 | break ; |
| 2816 | len -= writecount ; |
| 2817 | } ; |
| 2818 | |
| 2819 | return total ; |
| 2820 | } /* pcm_write_d2bei */ |
| 2821 | |
| 2822 | /*============================================================================== |
| 2823 | */ |
| 2824 | |
| 2825 | static void |
| 2826 | d2lei_array (const double *src, int *dest, int count, int normalize) |
| 2827 | { unsigned char *ucptr ; |
| 2828 | int value ; |
| 2829 | double normfact ; |
| 2830 | |
| 2831 | normfact = normalize ? (1.0 * 0x7FFFFFFF) : 1.0 ; |
| 2832 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2833 | |
| 2834 | while (--count >= 0) |
| 2835 | { ucptr -= 4 ; |
| 2836 | value = lrint (src [count] * normfact) ; |
| 2837 | ucptr [0] = value ; |
| 2838 | ucptr [1] = value >> 8 ; |
| 2839 | ucptr [2] = value >> 16 ; |
| 2840 | ucptr [3] = value >> 24 ; |
| 2841 | } ; |
| 2842 | } /* d2lei_array */ |
| 2843 | |
| 2844 | static void |
| 2845 | d2lei_clip_array (const double *src, int *dest, int count, int normalize) |
| 2846 | { unsigned char *ucptr ; |
| 2847 | int value ; |
| 2848 | double normfact, scaled_value ; |
| 2849 | |
| 2850 | normfact = normalize ? (8.0 * 0x10000000) : 1.0 ; |
| 2851 | ucptr = ((unsigned char*) dest) + 4 * count ; |
| 2852 | |
| 2853 | while (--count >= 0) |
| 2854 | { ucptr -= 4 ; |
| 2855 | scaled_value = src [count] * normfact ; |
| 2856 | if (CPU_CLIPS_POSITIVE == 0 && scaled_value >= (1.0 * 0x7FFFFFFF)) |
| 2857 | { ucptr [0] = 0xFF ; |
| 2858 | ucptr [1] = 0xFF ; |
| 2859 | ucptr [2] = 0xFF ; |
| 2860 | ucptr [3] = 0x7F ; |
| 2861 | continue ; |
| 2862 | } ; |
| 2863 | if (CPU_CLIPS_NEGATIVE == 0 && scaled_value <= (-8.0 * 0x10000000)) |
| 2864 | { ucptr [0] = 0x00 ; |
| 2865 | ucptr [1] = 0x00 ; |
| 2866 | ucptr [2] = 0x00 ; |
| 2867 | ucptr [3] = 0x80 ; |
| 2868 | continue ; |
| 2869 | } ; |
| 2870 | |
| 2871 | value = lrint (scaled_value) ; |
| 2872 | ucptr [0] = value ; |
| 2873 | ucptr [1] = value >> 8 ; |
| 2874 | ucptr [2] = value >> 16 ; |
| 2875 | ucptr [3] = value >> 24 ; |
| 2876 | } ; |
| 2877 | } /* d2lei_clip_array */ |
| 2878 | |
| 2879 | static sf_count_t |
| 2880 | pcm_write_d2lei (SF_PRIVATE *psf, const double *ptr, sf_count_t len) |
| 2881 | { void (*convert) (const double *, int *, int, int) ; |
| 2882 | int bufferlen, writecount ; |
| 2883 | sf_count_t total = 0 ; |
| 2884 | |
| 2885 | convert = (psf->add_clipping) ? d2lei_clip_array : d2lei_array ; |
| 2886 | bufferlen = ARRAY_LEN (psf->u.ibuf) ; |
| 2887 | |
| 2888 | while (len > 0) |
| 2889 | { if (len < bufferlen) |
| 2890 | bufferlen = (int) len ; |
| 2891 | convert (ptr + total, psf->u.ibuf, bufferlen, psf->norm_double) ; |
| 2892 | writecount = psf_fwrite (psf->u.ibuf, sizeof (int), bufferlen, psf) ; |
| 2893 | total += writecount ; |
| 2894 | if (writecount < bufferlen) |
| 2895 | break ; |
| 2896 | len -= writecount ; |
| 2897 | } ; |
| 2898 | |
| 2899 | return total ; |
| 2900 | } /* pcm_write_d2lei */ |
| 2901 | |