Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 2005-2011 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 <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include <ctype.h> |
| 25 | #include <math.h> |
| 26 | #include <inttypes.h> |
| 27 | |
| 28 | #include "sndfile.h" |
| 29 | #include "sfendian.h" |
| 30 | #include "common.h" |
| 31 | #include "chanmap.h" |
| 32 | |
| 33 | /*------------------------------------------------------------------------------ |
| 34 | ** Macros to handle big/little endian issues. |
| 35 | */ |
| 36 | |
| 37 | #define aac_MARKER MAKE_MARKER ('a', 'a', 'c', ' ') |
| 38 | #define alac_MARKER MAKE_MARKER ('a', 'l', 'a', 'c') |
| 39 | #define alaw_MARKER MAKE_MARKER ('a', 'l', 'a', 'w') |
| 40 | #define caff_MARKER MAKE_MARKER ('c', 'a', 'f', 'f') |
| 41 | #define chan_MARKER MAKE_MARKER ('c', 'h', 'a', 'n') |
| 42 | #define data_MARKER MAKE_MARKER ('d', 'a', 't', 'a') |
| 43 | #define desc_MARKER MAKE_MARKER ('d', 'e', 's', 'c') |
| 44 | #define edct_MARKER MAKE_MARKER ('e', 'd', 'c', 't') |
| 45 | #define free_MARKER MAKE_MARKER ('f', 'r', 'e', 'e') |
| 46 | #define ima4_MARKER MAKE_MARKER ('i', 'm', 'a', '4') |
| 47 | #define info_MARKER MAKE_MARKER ('i', 'n', 'f', 'o') |
| 48 | #define inst_MARKER MAKE_MARKER ('i', 'n', 's', 't') |
| 49 | #define kuki_MARKER MAKE_MARKER ('k', 'u', 'k', 'i') |
| 50 | #define lpcm_MARKER MAKE_MARKER ('l', 'p', 'c', 'm') |
| 51 | #define mark_MARKER MAKE_MARKER ('m', 'a', 'r', 'k') |
| 52 | #define midi_MARKER MAKE_MARKER ('m', 'i', 'd', 'i') |
| 53 | #define mp1_MARKER MAKE_MARKER ('.', 'm', 'p', '1') |
| 54 | #define mp2_MARKER MAKE_MARKER ('.', 'm', 'p', '2') |
| 55 | #define mp3_MARKER MAKE_MARKER ('.', 'm', 'p', '3') |
| 56 | #define ovvw_MARKER MAKE_MARKER ('o', 'v', 'v', 'w') |
| 57 | #define pakt_MARKER MAKE_MARKER ('p', 'a', 'k', 't') |
| 58 | #define peak_MARKER MAKE_MARKER ('p', 'e', 'a', 'k') |
| 59 | #define regn_MARKER MAKE_MARKER ('r', 'e', 'g', 'n') |
| 60 | #define strg_MARKER MAKE_MARKER ('s', 't', 'r', 'g') |
| 61 | #define umid_MARKER MAKE_MARKER ('u', 'm', 'i', 'd') |
| 62 | #define uuid_MARKER MAKE_MARKER ('u', 'u', 'i', 'd') |
| 63 | #define ulaw_MARKER MAKE_MARKER ('u', 'l', 'a', 'w') |
| 64 | #define MAC3_MARKER MAKE_MARKER ('M', 'A', 'C', '3') |
| 65 | #define MAC6_MARKER MAKE_MARKER ('M', 'A', 'C', '6') |
| 66 | |
| 67 | #define CAF_PEAK_CHUNK_SIZE(ch) ((int) (sizeof (int) + ch * (sizeof (float) + 8))) |
| 68 | |
| 69 | #define SFE_CAF_NOT_CAF 666 |
| 70 | #define SFE_CAF_NO_DESC 667 |
| 71 | #define SFE_CAF_BAD_PEAK 668 |
| 72 | |
| 73 | /*------------------------------------------------------------------------------ |
| 74 | ** Typedefs. |
| 75 | */ |
| 76 | |
| 77 | typedef struct |
| 78 | { unsigned char srate [8] ; |
| 79 | unsigned int fmt_id ; |
| 80 | unsigned int fmt_flags ; |
| 81 | unsigned int pkt_bytes ; |
| 82 | unsigned int pkt_frames ; |
| 83 | unsigned int channels_per_frame ; |
| 84 | unsigned int bits_per_chan ; |
| 85 | } DESC_CHUNK ; |
| 86 | |
| 87 | typedef struct |
| 88 | { int chanmap_tag ; |
| 89 | } CAF_PRIVATE ; |
| 90 | |
| 91 | /*------------------------------------------------------------------------------ |
| 92 | ** Private static functions. |
| 93 | */ |
| 94 | |
| 95 | static int caf_close (SF_PRIVATE *psf) ; |
| 96 | static int caf_read_header (SF_PRIVATE *psf) ; |
| 97 | static int caf_write_header (SF_PRIVATE *psf, int calc_length) ; |
| 98 | static int caf_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; |
| 99 | static int caf_read_chanmap (SF_PRIVATE * psf, sf_count_t chunk_size) ; |
| 100 | |
| 101 | /*------------------------------------------------------------------------------ |
| 102 | ** Public function. |
| 103 | */ |
| 104 | |
| 105 | int |
| 106 | caf_open (SF_PRIVATE *psf) |
| 107 | { int subformat, format, error = 0 ; |
| 108 | |
| 109 | if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) |
| 110 | { if ((error = caf_read_header (psf))) |
| 111 | return error ; |
| 112 | } ; |
| 113 | |
| 114 | subformat = SF_CODEC (psf->sf.format) ; |
| 115 | |
| 116 | if ((psf->container_data = calloc (1, sizeof (CAF_PRIVATE))) == NULL) |
| 117 | return SFE_MALLOC_FAILED ; |
| 118 | |
| 119 | if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| 120 | { if (psf->is_pipe) |
| 121 | return SFE_NO_PIPE_WRITE ; |
| 122 | |
| 123 | format = SF_CONTAINER (psf->sf.format) ; |
| 124 | if (format != SF_FORMAT_CAF) |
| 125 | return SFE_BAD_OPEN_FORMAT ; |
| 126 | |
| 127 | psf->blockwidth = psf->bytewidth * psf->sf.channels ; |
| 128 | |
| 129 | if (psf->file.mode != SFM_RDWR || psf->filelength < 44) |
| 130 | { psf->filelength = 0 ; |
| 131 | psf->datalength = 0 ; |
| 132 | psf->dataoffset = 0 ; |
| 133 | psf->sf.frames = 0 ; |
| 134 | } ; |
| 135 | |
| 136 | psf->str_flags = SF_STR_ALLOW_START ; |
| 137 | |
| 138 | /* |
| 139 | ** By default, add the peak chunk to floating point files. Default behaviour |
| 140 | ** can be switched off using sf_command (SFC_SET_PEAK_CHUNK, SF_FALSE). |
| 141 | */ |
| 142 | if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) |
| 143 | { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| 144 | return SFE_MALLOC_FAILED ; |
| 145 | psf->peak_info->peak_loc = SF_PEAK_START ; |
| 146 | } ; |
| 147 | |
| 148 | if ((error = caf_write_header (psf, SF_FALSE)) != 0) |
| 149 | return error ; |
| 150 | |
| 151 | psf->write_header = caf_write_header ; |
| 152 | } ; |
| 153 | |
| 154 | psf->container_close = caf_close ; |
| 155 | psf->command = caf_command ; |
| 156 | |
| 157 | switch (subformat) |
| 158 | { case SF_FORMAT_PCM_S8 : |
| 159 | case SF_FORMAT_PCM_16 : |
| 160 | case SF_FORMAT_PCM_24 : |
| 161 | case SF_FORMAT_PCM_32 : |
| 162 | error = pcm_init (psf) ; |
| 163 | break ; |
| 164 | |
| 165 | case SF_FORMAT_ULAW : |
| 166 | error = ulaw_init (psf) ; |
| 167 | break ; |
| 168 | |
| 169 | case SF_FORMAT_ALAW : |
| 170 | error = alaw_init (psf) ; |
| 171 | break ; |
| 172 | |
| 173 | /* Lite remove start */ |
| 174 | case SF_FORMAT_FLOAT : |
| 175 | error = float32_init (psf) ; |
| 176 | break ; |
| 177 | |
| 178 | case SF_FORMAT_DOUBLE : |
| 179 | error = double64_init (psf) ; |
| 180 | break ; |
| 181 | /* Lite remove end */ |
| 182 | |
| 183 | default : |
| 184 | return SFE_UNSUPPORTED_ENCODING ; |
| 185 | } ; |
| 186 | |
| 187 | return error ; |
| 188 | } /* caf_open */ |
| 189 | |
| 190 | static int |
| 191 | caf_close (SF_PRIVATE *psf) |
| 192 | { |
| 193 | if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| 194 | caf_write_header (psf, SF_TRUE) ; |
| 195 | |
| 196 | return 0 ; |
| 197 | } /* caf_close */ |
| 198 | |
| 199 | static int |
| 200 | caf_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize)) |
| 201 | { CAF_PRIVATE *pcaf ; |
| 202 | |
| 203 | if ((pcaf = psf->container_data) == NULL) |
| 204 | return SFE_INTERNAL ; |
| 205 | |
| 206 | switch (command) |
| 207 | { case SFC_SET_CHANNEL_MAP_INFO : |
| 208 | pcaf->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ; |
| 209 | return (pcaf->chanmap_tag != 0) ; |
| 210 | |
| 211 | default : |
| 212 | break ; |
| 213 | } ; |
| 214 | |
| 215 | return 0 ; |
| 216 | } /* caf_command */ |
| 217 | |
| 218 | /*------------------------------------------------------------------------------ |
| 219 | */ |
| 220 | |
| 221 | static int |
| 222 | decode_desc_chunk (SF_PRIVATE *psf, const DESC_CHUNK *desc) |
| 223 | { int format ; |
| 224 | |
| 225 | psf->sf.channels = desc->channels_per_frame ; |
| 226 | |
| 227 | format = SF_FORMAT_CAF | (psf->endian == SF_ENDIAN_LITTLE ? SF_ENDIAN_LITTLE : 0) ; |
| 228 | |
| 229 | if (desc->fmt_id == lpcm_MARKER && desc->fmt_flags & 1) |
| 230 | { /* Floating point data. */ |
| 231 | if (desc->bits_per_chan == 32 && desc->pkt_bytes == 4 * desc->channels_per_frame) |
| 232 | { psf->bytewidth = 4 ; |
| 233 | return format | SF_FORMAT_FLOAT ; |
| 234 | } ; |
| 235 | if (desc->bits_per_chan == 64 && desc->pkt_bytes == 8 * desc->channels_per_frame) |
| 236 | { psf->bytewidth = 8 ; |
| 237 | return format | SF_FORMAT_DOUBLE ; |
| 238 | } ; |
| 239 | } ; |
| 240 | |
| 241 | if ((desc->fmt_flags & 1) != 0) |
| 242 | { psf_log_printf (psf, "**** Ooops, 'desc' chunk suggests float data, but other info invalid.\n") ; |
| 243 | return 0 ; |
| 244 | } ; |
| 245 | |
| 246 | if (desc->fmt_id == lpcm_MARKER) |
| 247 | { /* Integer data. */ |
| 248 | if (desc->bits_per_chan == 32 && desc->pkt_bytes == 4 * desc->channels_per_frame) |
| 249 | { psf->bytewidth = 4 ; |
| 250 | return format | SF_FORMAT_PCM_32 ; |
| 251 | } ; |
| 252 | if (desc->bits_per_chan == 24 && desc->pkt_bytes == 3 * desc->channels_per_frame) |
| 253 | { psf->bytewidth = 3 ; |
| 254 | return format | SF_FORMAT_PCM_24 ; |
| 255 | } ; |
| 256 | if (desc->bits_per_chan == 16 && desc->pkt_bytes == 2 * desc->channels_per_frame) |
| 257 | { psf->bytewidth = 2 ; |
| 258 | return format | SF_FORMAT_PCM_16 ; |
| 259 | } ; |
| 260 | if (desc->bits_per_chan == 8 && desc->pkt_bytes == 1 * desc->channels_per_frame) |
| 261 | { psf->bytewidth = 1 ; |
| 262 | return format | SF_FORMAT_PCM_S8 ; |
| 263 | } ; |
| 264 | } ; |
| 265 | |
| 266 | if (desc->fmt_id == alaw_MARKER && desc->bits_per_chan == 8) |
| 267 | { psf->bytewidth = 1 ; |
| 268 | return format | SF_FORMAT_ALAW ; |
| 269 | } ; |
| 270 | |
| 271 | if (desc->fmt_id == ulaw_MARKER && desc->bits_per_chan == 8) |
| 272 | { psf->bytewidth = 1 ; |
| 273 | return format | SF_FORMAT_ULAW ; |
| 274 | } ; |
| 275 | |
| 276 | return 0 ; |
| 277 | } /* decode_desc_chunk */ |
| 278 | |
| 279 | static int |
| 280 | caf_read_header (SF_PRIVATE *psf) |
| 281 | { DESC_CHUNK desc ; |
| 282 | sf_count_t chunk_size ; |
| 283 | double srate ; |
| 284 | short version, flags ; |
| 285 | int marker, k, have_data = 0, error ; |
| 286 | |
| 287 | memset (&desc, 0, sizeof (desc)) ; |
| 288 | |
| 289 | /* Set position to start of file to begin reading header. */ |
| 290 | psf_binheader_readf (psf, "pmE2E2", 0, &marker, &version, &flags) ; |
| 291 | psf_log_printf (psf, "%M\n Version : %d\n Flags : %x\n", marker, version, flags) ; |
| 292 | if (marker != caff_MARKER) |
| 293 | return SFE_CAF_NOT_CAF ; |
| 294 | |
| 295 | psf_binheader_readf (psf, "mE8b", &marker, &chunk_size, psf->u.ucbuf, 8) ; |
| 296 | srate = double64_be_read (psf->u.ucbuf) ; |
| 297 | snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), "%5.3f", srate) ; |
| 298 | psf_log_printf (psf, "%M : %D\n Sample rate : %s\n", marker, chunk_size, psf->u.cbuf) ; |
| 299 | if (marker != desc_MARKER) |
| 300 | return SFE_CAF_NO_DESC ; |
| 301 | |
| 302 | if (chunk_size < SIGNED_SIZEOF (DESC_CHUNK)) |
| 303 | { psf_log_printf (psf, "**** Chunk size too small. Should be > 32 bytes.\n") ; |
| 304 | return SFE_MALFORMED_FILE ; |
| 305 | } ; |
| 306 | |
| 307 | psf->sf.samplerate = lrint (srate) ; |
| 308 | |
| 309 | psf_binheader_readf (psf, "mE44444", &desc.fmt_id, &desc.fmt_flags, &desc.pkt_bytes, &desc.pkt_frames, |
| 310 | &desc.channels_per_frame, &desc.bits_per_chan) ; |
| 311 | psf_log_printf (psf, " Format id : %M\n Format flags : %x\n Bytes / packet : %u\n" |
| 312 | " Frames / packet : %u\n Channels / frame : %u\n Bits / channel : %u\n", |
| 313 | desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.pkt_frames, desc.channels_per_frame, desc.bits_per_chan) ; |
| 314 | |
| 315 | if (desc.channels_per_frame > SF_MAX_CHANNELS) |
| 316 | { psf_log_printf (psf, "**** Bad channels per frame value %u.\n", desc.channels_per_frame) ; |
| 317 | return SFE_MALFORMED_FILE ; |
| 318 | } ; |
| 319 | |
| 320 | if (chunk_size > SIGNED_SIZEOF (DESC_CHUNK)) |
| 321 | psf_binheader_readf (psf, "j", (int) (chunk_size - sizeof (DESC_CHUNK))) ; |
| 322 | |
| 323 | psf->sf.channels = desc.channels_per_frame ; |
| 324 | |
| 325 | while (have_data == 0 && psf_ftell (psf) < psf->filelength - SIGNED_SIZEOF (marker)) |
| 326 | { psf_binheader_readf (psf, "mE8", &marker, &chunk_size) ; |
| 327 | |
| 328 | switch (marker) |
| 329 | { case peak_MARKER : |
| 330 | psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ; |
| 331 | if (chunk_size != CAF_PEAK_CHUNK_SIZE (psf->sf.channels)) |
| 332 | { psf_binheader_readf (psf, "j", (int) chunk_size) ; |
| 333 | psf_log_printf (psf, "*** File PEAK chunk %D should be %d.\n", chunk_size, CAF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| 334 | return SFE_CAF_BAD_PEAK ; |
| 335 | } ; |
| 336 | |
| 337 | if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| 338 | return SFE_MALLOC_FAILED ; |
| 339 | |
| 340 | /* read in rest of PEAK chunk. */ |
| 341 | psf_binheader_readf (psf, "E4", & (psf->peak_info->edit_number)) ; |
| 342 | psf_log_printf (psf, " edit count : %d\n", psf->peak_info->edit_number) ; |
| 343 | |
| 344 | psf_log_printf (psf, " Ch Position Value\n") ; |
| 345 | for (k = 0 ; k < psf->sf.channels ; k++) |
| 346 | { sf_count_t position ; |
| 347 | float value ; |
| 348 | |
| 349 | psf_binheader_readf (psf, "Ef8", &value, &position) ; |
| 350 | psf->peak_info->peaks [k].value = value ; |
| 351 | psf->peak_info->peaks [k].position = position ; |
| 352 | |
| 353 | snprintf (psf->u.cbuf, sizeof (psf->u.cbuf), " %2d %-12" PRId64 " %g\n", k, position, value) ; |
| 354 | psf_log_printf (psf, psf->u.cbuf) ; |
| 355 | } ; |
| 356 | |
| 357 | psf->peak_info->peak_loc = SF_PEAK_START ; |
| 358 | break ; |
| 359 | |
| 360 | case chan_MARKER : |
| 361 | if (chunk_size < 12) |
| 362 | { psf_log_printf (psf, "%M : %D (should be >= 12)\n", marker, chunk_size) ; |
| 363 | psf_binheader_readf (psf, "j", (int) chunk_size) ; |
| 364 | break ; |
| 365 | } |
| 366 | |
| 367 | psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ; |
| 368 | |
| 369 | if ((error = caf_read_chanmap (psf, chunk_size))) |
| 370 | return error ; |
| 371 | break ; |
| 372 | |
| 373 | case free_MARKER : |
| 374 | psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ; |
| 375 | psf_binheader_readf (psf, "j", (int) chunk_size) ; |
| 376 | break ; |
| 377 | |
| 378 | case data_MARKER : |
| 379 | if (psf->filelength > 0 && chunk_size + psf->headindex != psf->filelength) |
| 380 | psf_log_printf (psf, "%M : %D (should be %D)\n", marker, chunk_size, chunk_size + 4) ; |
| 381 | else |
| 382 | psf_log_printf (psf, "%M : %D\n", marker, chunk_size) ; |
| 383 | psf_binheader_readf (psf, "E4", &k) ; |
| 384 | psf_log_printf (psf, " edit : %u\n", k) ; |
| 385 | have_data = 1 ; |
| 386 | break ; |
| 387 | |
| 388 | default : |
| 389 | psf_log_printf (psf, " %M : %D (skipped)\n", marker, chunk_size) ; |
| 390 | psf_binheader_readf (psf, "j", (int) chunk_size) ; |
| 391 | break ; |
| 392 | } ; |
| 393 | } ; |
| 394 | |
| 395 | if (have_data == 0) |
| 396 | { psf_log_printf (psf, "**** Error, could not find 'data' chunk.\n") ; |
| 397 | return SFE_MALFORMED_FILE ; |
| 398 | } ; |
| 399 | |
| 400 | psf_log_printf (psf, "End\n") ; |
| 401 | |
| 402 | psf->dataoffset = psf_ftell (psf) ; |
| 403 | psf->datalength = psf->filelength - psf->dataoffset ; |
| 404 | psf->endian = (desc.fmt_flags & 2) ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG ; |
| 405 | |
| 406 | if ((psf->sf.format = decode_desc_chunk (psf, &desc)) == 0) |
| 407 | return SFE_UNSUPPORTED_ENCODING ; |
| 408 | |
| 409 | if (psf->bytewidth > 0) |
| 410 | psf->sf.frames = psf->datalength / psf->bytewidth ; |
| 411 | |
| 412 | return 0 ; |
| 413 | } /* caf_read_header */ |
| 414 | |
| 415 | /*------------------------------------------------------------------------------ |
| 416 | */ |
| 417 | |
| 418 | static int |
| 419 | caf_write_header (SF_PRIVATE *psf, int calc_length) |
| 420 | { CAF_PRIVATE *pcaf ; |
| 421 | DESC_CHUNK desc ; |
| 422 | sf_count_t current, free_len ; |
| 423 | int subformat ; |
| 424 | |
| 425 | if ((pcaf = psf->container_data) == NULL) |
| 426 | return SFE_INTERNAL ; |
| 427 | |
| 428 | memset (&desc, 0, sizeof (desc)) ; |
| 429 | |
| 430 | current = psf_ftell (psf) ; |
| 431 | |
| 432 | if (calc_length) |
| 433 | { psf->filelength = psf_get_filelen (psf) ; |
| 434 | |
| 435 | psf->datalength = psf->filelength - psf->dataoffset ; |
| 436 | |
| 437 | if (psf->dataend) |
| 438 | psf->datalength -= psf->filelength - psf->dataend ; |
| 439 | |
| 440 | if (psf->bytewidth > 0) |
| 441 | psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; |
| 442 | } ; |
| 443 | |
| 444 | /* Reset the current header length to zero. */ |
| 445 | psf->header [0] = 0 ; |
| 446 | psf->headindex = 0 ; |
| 447 | psf_fseek (psf, 0, SEEK_SET) ; |
| 448 | |
| 449 | /* 'caff' marker, version and flags. */ |
| 450 | psf_binheader_writef (psf, "Em22", caff_MARKER, 1, 0) ; |
| 451 | |
| 452 | /* 'desc' marker and chunk size. */ |
| 453 | psf_binheader_writef (psf, "Em8", desc_MARKER, (sf_count_t) (sizeof (DESC_CHUNK))) ; |
| 454 | |
| 455 | double64_be_write (1.0 * psf->sf.samplerate, psf->u.ucbuf) ; |
| 456 | psf_binheader_writef (psf, "b", psf->u.ucbuf, make_size_t (8)) ; |
| 457 | |
| 458 | subformat = SF_CODEC (psf->sf.format) ; |
| 459 | |
| 460 | psf->endian = SF_ENDIAN (psf->sf.format) ; |
| 461 | |
| 462 | if (CPU_IS_BIG_ENDIAN && (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU)) |
| 463 | psf->endian = SF_ENDIAN_BIG ; |
| 464 | else if (CPU_IS_LITTLE_ENDIAN && (psf->endian == SF_ENDIAN_LITTLE || psf->endian == SF_ENDIAN_CPU)) |
| 465 | psf->endian = SF_ENDIAN_LITTLE ; |
| 466 | |
| 467 | if (psf->endian == SF_ENDIAN_LITTLE) |
| 468 | desc.fmt_flags = 2 ; |
| 469 | else |
| 470 | psf->endian = SF_ENDIAN_BIG ; |
| 471 | |
| 472 | /* initial section (same for all, it appears) */ |
| 473 | switch (subformat) |
| 474 | { case SF_FORMAT_PCM_S8 : |
| 475 | desc.fmt_id = lpcm_MARKER ; |
| 476 | psf->bytewidth = 1 ; |
| 477 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 478 | desc.pkt_frames = 1 ; |
| 479 | desc.channels_per_frame = psf->sf.channels ; |
| 480 | desc.bits_per_chan = 8 ; |
| 481 | break ; |
| 482 | |
| 483 | case SF_FORMAT_PCM_16 : |
| 484 | desc.fmt_id = lpcm_MARKER ; |
| 485 | psf->bytewidth = 2 ; |
| 486 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 487 | desc.pkt_frames = 1 ; |
| 488 | desc.channels_per_frame = psf->sf.channels ; |
| 489 | desc.bits_per_chan = 16 ; |
| 490 | break ; |
| 491 | |
| 492 | case SF_FORMAT_PCM_24 : |
| 493 | psf->bytewidth = 3 ; |
| 494 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 495 | desc.pkt_frames = 1 ; |
| 496 | desc.channels_per_frame = psf->sf.channels ; |
| 497 | desc.bits_per_chan = 24 ; |
| 498 | desc.fmt_id = lpcm_MARKER ; |
| 499 | break ; |
| 500 | |
| 501 | case SF_FORMAT_PCM_32 : |
| 502 | desc.fmt_id = lpcm_MARKER ; |
| 503 | psf->bytewidth = 4 ; |
| 504 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 505 | desc.pkt_frames = 1 ; |
| 506 | desc.channels_per_frame = psf->sf.channels ; |
| 507 | desc.bits_per_chan = 32 ; |
| 508 | break ; |
| 509 | |
| 510 | case SF_FORMAT_FLOAT : |
| 511 | desc.fmt_id = lpcm_MARKER ; |
| 512 | desc.fmt_flags |= 1 ; |
| 513 | psf->bytewidth = 4 ; |
| 514 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 515 | desc.pkt_frames = 1 ; |
| 516 | desc.channels_per_frame = psf->sf.channels ; |
| 517 | desc.bits_per_chan = 32 ; |
| 518 | break ; |
| 519 | |
| 520 | case SF_FORMAT_DOUBLE : |
| 521 | desc.fmt_id = lpcm_MARKER ; |
| 522 | desc.fmt_flags |= 1 ; |
| 523 | psf->bytewidth = 8 ; |
| 524 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 525 | desc.pkt_frames = 1 ; |
| 526 | desc.channels_per_frame = psf->sf.channels ; |
| 527 | desc.bits_per_chan = 64 ; |
| 528 | break ; |
| 529 | |
| 530 | case SF_FORMAT_ALAW : |
| 531 | desc.fmt_id = alaw_MARKER ; |
| 532 | psf->bytewidth = 1 ; |
| 533 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 534 | desc.pkt_frames = 1 ; |
| 535 | desc.channels_per_frame = psf->sf.channels ; |
| 536 | desc.bits_per_chan = 8 ; |
| 537 | break ; |
| 538 | |
| 539 | case SF_FORMAT_ULAW : |
| 540 | desc.fmt_id = ulaw_MARKER ; |
| 541 | psf->bytewidth = 1 ; |
| 542 | desc.pkt_bytes = psf->bytewidth * psf->sf.channels ; |
| 543 | desc.pkt_frames = 1 ; |
| 544 | desc.channels_per_frame = psf->sf.channels ; |
| 545 | desc.bits_per_chan = 8 ; |
| 546 | break ; |
| 547 | |
| 548 | default : |
| 549 | return SFE_UNIMPLEMENTED ; |
| 550 | } ; |
| 551 | |
| 552 | psf_binheader_writef (psf, "mE44444", desc.fmt_id, desc.fmt_flags, desc.pkt_bytes, desc.pkt_frames, desc.channels_per_frame, desc.bits_per_chan) ; |
| 553 | |
| 554 | #if 0 |
| 555 | if (psf->str_flags & SF_STR_LOCATE_START) |
| 556 | caf_write_strings (psf, SF_STR_LOCATE_START) ; |
| 557 | #endif |
| 558 | |
| 559 | if (psf->peak_info != NULL) |
| 560 | { int k ; |
| 561 | psf_binheader_writef (psf, "Em84", peak_MARKER, (sf_count_t) CAF_PEAK_CHUNK_SIZE (psf->sf.channels), psf->peak_info->edit_number) ; |
| 562 | for (k = 0 ; k < psf->sf.channels ; k++) |
| 563 | psf_binheader_writef (psf, "Ef8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; |
| 564 | } ; |
| 565 | |
| 566 | if (psf->channel_map && pcaf->chanmap_tag) |
| 567 | psf_binheader_writef (psf, "Em8444", chan_MARKER, (sf_count_t) 12, pcaf->chanmap_tag, 0, 0) ; |
| 568 | |
| 569 | /* Add free chunk so that the actual audio data starts at a multiple 0x1000. */ |
| 570 | free_len = 0x1000 - psf->headindex - 16 - 12 ; |
| 571 | while (free_len < 0) |
| 572 | free_len += 0x1000 ; |
| 573 | psf_binheader_writef (psf, "Em8z", free_MARKER, free_len, (int) free_len) ; |
| 574 | |
| 575 | psf_binheader_writef (psf, "Em84", data_MARKER, psf->datalength + 4, 0) ; |
| 576 | |
| 577 | psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| 578 | if (psf->error) |
| 579 | return psf->error ; |
| 580 | |
| 581 | psf->dataoffset = psf->headindex ; |
| 582 | if (current < psf->dataoffset) |
| 583 | psf_fseek (psf, psf->dataoffset, SEEK_SET) ; |
| 584 | else if (current > 0) |
| 585 | psf_fseek (psf, current, SEEK_SET) ; |
| 586 | |
| 587 | return psf->error ; |
| 588 | } /* caf_write_header */ |
| 589 | |
| 590 | static int |
| 591 | caf_read_chanmap (SF_PRIVATE * psf, sf_count_t chunk_size) |
| 592 | { const AIFF_CAF_CHANNEL_MAP * map_info ; |
| 593 | unsigned channel_bitmap, channel_decriptions, bytesread ; |
| 594 | int layout_tag ; |
| 595 | |
| 596 | bytesread = psf_binheader_readf (psf, "E444", &layout_tag, &channel_bitmap, &channel_decriptions) ; |
| 597 | |
| 598 | map_info = aiff_caf_of_channel_layout_tag (layout_tag) ; |
| 599 | |
| 600 | psf_log_printf (psf, " Tag : %x\n", layout_tag) ; |
| 601 | if (map_info) |
| 602 | psf_log_printf (psf, " Layout : %s\n", map_info->name) ; |
| 603 | |
| 604 | if (bytesread < chunk_size) |
| 605 | psf_binheader_readf (psf, "j", chunk_size - bytesread) ; |
| 606 | |
| 607 | if (map_info->channel_map != NULL) |
| 608 | { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ; |
| 609 | |
| 610 | free (psf->channel_map) ; |
| 611 | |
| 612 | if ((psf->channel_map = malloc (chanmap_size)) == NULL) |
| 613 | return SFE_MALLOC_FAILED ; |
| 614 | |
| 615 | memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ; |
| 616 | } ; |
| 617 | |
| 618 | return 0 ; |
| 619 | } /* caf_read_chanmap */ |
| 620 | |