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| @@ -69,6 +69,7 @@ typedef struct { · 68 unmodified lines | ||
| 69 | 69 | unsigned short formatTag; /* What type of encoding file is using */ |
| 70 | 70 | unsigned short samplesPerBlock; |
| 71 | 71 | unsigned short blockAlign; |
| 72 | + uint16_t bitsPerSample; /* bits per sample */ | |
| 72 | 73 | size_t dataStart; /* need to for seeking */ |
| 73 | 74 | int ignoreSize; /* ignoreSize allows us to process 32-bit WAV files that are |
| 74 | 75 | * greater then 2 Gb and can't be represented by the |
| @@ -102,6 +103,43 @@ static int wavwritehdr(sox_format_t *, int); · 27 unmodified lines | ||
| 102 | 103 | /* IMA ADPCM Support Functions Section */ |
| 103 | 104 | /****************************************************************************/ |
| 104 | 105 | |
| 106 | +static int wav_ima_adpcm_fmt(sox_format_t *ft, uint32_t len) | |
| 107 | +{ | |
| 108 | + priv_t *wav = ft->priv; | |
| 109 | + size_t bytesPerBlock; | |
| 110 | + | |
| 111 | + if (len < 2) { | |
| 112 | + lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects cbSize >= %d", | |
| 113 | + wav_format_str(wav->formatTag), 2); | |
| 114 | + return SOX_EOF; | |
| 115 | + } | |
| 116 | + | |
| 117 | + if (wav->bitsPerSample != 4) { | |
| 118 | + lsx_fail_errno(ft, SOX_EOF, | |
| 119 | + "Can only handle 4-bit IMA ADPCM in wav files"); | |
| 120 | + return SOX_EOF; | |
| 121 | + } | |
| 122 | + | |
| 123 | + lsx_readw(ft, &wav->samplesPerBlock); | |
| 124 | + | |
| 125 | + bytesPerBlock = lsx_ima_bytes_per_block(ft->signal.channels, | |
| 126 | + wav->samplesPerBlock); | |
| 127 | + | |
| 128 | + if (bytesPerBlock != wav->blockAlign || wav->samplesPerBlock % 8 != 1) { | |
| 129 | + lsx_fail_errno(ft, SOX_EOF, | |
| 130 | + "format[%s]: samplesPerBlock(%d) != blockAlign(%d)", | |
| 131 | + wav_format_str(wav->formatTag), | |
| 132 | + wav->samplesPerBlock, wav->blockAlign); | |
| 133 | + return SOX_EOF; | |
| 134 | + } | |
| 135 | + | |
| 136 | + wav->packet = lsx_malloc(wav->blockAlign); | |
| 137 | + wav->samples = | |
| 138 | + lsx_malloc(ft->signal.channels * wav->samplesPerBlock * sizeof(short)); | |
| 139 | + | |
| 140 | + return SOX_SUCCESS; | |
| 141 | +} | |
| 142 | + | |
| 105 | 143 | /* |
| 106 | 144 | * |
| 107 | 145 | * ImaAdpcmReadBlock - Grab and decode complete block of samples |
| @@ -142,6 +180,74 @@ static unsigned short ImaAdpcmReadBlock(sox_format_t * ft) · 34 unmodified lines | ||
| 142 | 180 | /* MS ADPCM Support Functions Section */ |
| 143 | 181 | /****************************************************************************/ |
| 144 | 182 | |
| 183 | +static int wav_ms_adpcm_fmt(sox_format_t *ft, uint32_t len) | |
| 184 | +{ | |
| 185 | + priv_t *wav = ft->priv; | |
| 186 | + size_t bytesPerBlock; | |
| 187 | + int i, errct = 0; | |
| 188 | + | |
| 189 | + if (len < 4) { | |
| 190 | + lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects cbSize >= %d", | |
| 191 | + wav_format_str(wav->formatTag), 4); | |
| 192 | + return SOX_EOF; | |
| 193 | + } | |
| 194 | + | |
| 195 | + if (wav->bitsPerSample != 4) { | |
| 196 | + lsx_fail_errno(ft, SOX_EOF, | |
| 197 | + "Can only handle 4-bit MS ADPCM in wav files"); | |
| 198 | + return SOX_EOF; | |
| 199 | + } | |
| 200 | + | |
| 201 | + lsx_readw(ft, &wav->samplesPerBlock); | |
| 202 | + lsx_readw(ft, &wav->nCoefs); | |
| 203 | + len -= 4; | |
| 204 | + | |
| 205 | + bytesPerBlock = lsx_ms_adpcm_bytes_per_block(ft->signal.channels, | |
| 206 | + wav->samplesPerBlock); | |
| 207 | + | |
| 208 | + if (bytesPerBlock != wav->blockAlign) { | |
| 209 | + lsx_fail_errno(ft, SOX_EOF, | |
| 210 | + "format[%s]: samplesPerBlock(%d) != blockAlign(%d)", | |
| 211 | + wav_format_str(wav->formatTag), | |
| 212 | + wav->samplesPerBlock, wav->blockAlign); | |
| 213 | + return SOX_EOF; | |
| 214 | + } | |
| 215 | + | |
| 216 | + if (wav->nCoefs < 7 || wav->nCoefs > 0x100) { | |
| 217 | + lsx_fail_errno(ft, SOX_EOF, | |
| 218 | + "ADPCM file nCoefs (%.4hx) makes no sense", | |
| 219 | + wav->nCoefs); | |
| 220 | + return SOX_EOF; | |
| 221 | + } | |
| 222 | + | |
| 223 | + if (len < 4 * wav->nCoefs) { | |
| 224 | + lsx_fail_errno(ft, SOX_EOF, "wave header error: cbSize too small"); | |
| 225 | + return SOX_EOF; | |
| 226 | + } | |
| 227 | + | |
| 228 | + wav->packet = lsx_malloc(wav->blockAlign); | |
| 229 | + wav->samples = | |
| 230 | + lsx_malloc(ft->signal.channels * wav->samplesPerBlock * sizeof(short)); | |
| 231 | + | |
| 232 | + /* nCoefs, lsx_ms_adpcm_i_coefs used by adpcm.c */ | |
| 233 | + wav->lsx_ms_adpcm_i_coefs = lsx_malloc(wav->nCoefs * 2 * sizeof(short)); | |
| 234 | + wav->ms_adpcm_data = lsx_ms_adpcm_alloc(ft->signal.channels); | |
| 235 | + | |
| 236 | + for (i = 0; len >= 2 && i < 2 * wav->nCoefs; i++) { | |
| 237 | + lsx_readsw(ft, &wav->lsx_ms_adpcm_i_coefs[i]); | |
| 238 | + len -= 2; | |
| 239 | + | |
| 240 | + if (i < 14) | |
| 241 | + errct += | |
| 242 | + wav->lsx_ms_adpcm_i_coefs[i] != lsx_ms_adpcm_i_coef[i/2][i%2]; | |
| 243 | + } | |
| 244 | + | |
| 245 | + if (errct) | |
| 246 | + lsx_warn("base lsx_ms_adpcm_i_coefs differ in %d/14 positions", errct); | |
| 247 | + | |
| 248 | + return SOX_SUCCESS; | |
| 249 | +} | |
| 250 | + | |
| 145 | 251 | /* |
| 146 | 252 | * |
| 147 | 253 | * AdpcmReadBlock - Grab and decode complete block of samples |
| @@ -220,6 +326,36 @@ static int xxxAdpcmWriteBlock(sox_format_t * ft) · 72 unmodified lines | ||
| 220 | 326 | /****************************************************************************/ |
| 221 | 327 | /* WAV GSM6.10 support functions */ |
| 222 | 328 | /****************************************************************************/ |
| 329 | + | |
| 330 | +static int wav_gsm_fmt(sox_format_t *ft, uint32_t len) | |
| 331 | +{ | |
| 332 | + priv_t *wav = ft->priv; | |
| 333 | + | |
| 334 | + if (len < 2) { | |
| 335 | + lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects wExtSize >= %d", | |
| 336 | + wav_format_str(wav->formatTag), 2); | |
| 337 | + return SOX_EOF; | |
| 338 | + } | |
| 339 | + | |
| 340 | + lsx_readw(ft, &wav->samplesPerBlock); | |
| 341 | + | |
| 342 | + if (wav->blockAlign != 65) { | |
| 343 | + lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects blockAlign(%d) = %d", | |
| 344 | + wav_format_str(wav->formatTag), wav->blockAlign, 65); | |
| 345 | + return SOX_EOF; | |
| 346 | + } | |
| 347 | + | |
| 348 | + if (wav->samplesPerBlock != 320) { | |
| 349 | + lsx_fail_errno(ft, SOX_EOF, | |
| 350 | + "format[%s]: expects samplesPerBlock(%d) = %d", | |
| 351 | + wav_format_str(wav->formatTag), | |
| 352 | + wav->samplesPerBlock, 320); | |
| 353 | + return SOX_EOF; | |
| 354 | + } | |
| 355 | + | |
| 356 | + return SOX_SUCCESS; | |
| 357 | +} | |
| 358 | + | |
| 223 | 359 | /* create the gsm object, malloc buffer for 160*2 samples */ |
| 224 | 360 | static int wavgsminit(sox_format_t * ft) |
| 225 | 361 | { |
| @@ -382,9 +518,7 @@ static int wav_read_fmt(sox_format_t *ft, uint32_t len) · 156 unmodified lines | ||
| 382 | 518 | uint16_t wChannels; /* number of channels */ |
| 383 | 519 | uint32_t dwSamplesPerSecond; /* samples per second per channel */ |
| 384 | 520 | uint32_t dwAvgBytesPerSec; /* estimate of bytes per second needed */ |
| 385 | − uint16_t wBitsPerSample; /* bits per sample */ | |
| 386 | 521 | uint16_t wExtSize = 0; /* extended field for non-PCM */ |
| 387 | − size_t bytesPerBlock = 0; | |
| 388 | 522 | int bytespersample; /* bytes per sample (per channel */ |
| 389 | 523 | sox_encoding_t enc = SOX_ENCODING_UNKNOWN;; |
| 390 | 524 | |
| @@ -398,7 +532,7 @@ static int wav_read_fmt(sox_format_t *ft, uint32_t len) · 7 unmodified lines | ||
| 398 | 532 | lsx_readdw(ft, &dwSamplesPerSecond); |
| 399 | 533 | lsx_readdw(ft, &dwAvgBytesPerSec); /* Average bytes/second */ |
| 400 | 534 | lsx_readw(ft, &wav->blockAlign); /* Block align */ |
| 401 | − lsx_readw(ft, &wBitsPerSample); /* bits per sample per channel */ | |
| 535 | + lsx_readw(ft, &wav->bitsPerSample); /* bits per sample per channel */ | |
| 402 | 536 | len -= 16; |
| 403 | 537 | |
| 404 | 538 | /* non-PCM formats except alaw and mulaw formats have extended fmt chunk. |
| @@ -437,7 +571,7 @@ static int wav_read_fmt(sox_format_t *ft, uint32_t len) · 32 unmodified lines | ||
| 437 | 571 | lsx_skipbytes(ft, 14); |
| 438 | 572 | len -= 22; |
| 439 | 573 | |
| 440 | − if (numberOfValidBits != wBitsPerSample) { | |
| 574 | + if (numberOfValidBits != wav->bitsPerSample) { | |
| 441 | 575 | lsx_fail_errno(ft, SOX_EHDR, "WAVE file fmt with padded samples is not supported yet"); |
| 442 | 576 | return SOX_EOF; |
| 443 | 577 | } |
| @@ -498,147 +632,35 @@ static int wav_read_fmt(sox_format_t *ft, uint32_t len) · 54 unmodified lines | ||
| 498 | 632 | |
| 499 | 633 | switch (wav->formatTag) { |
| 500 | 634 | case WAVE_FORMAT_ADPCM: |
| 501 | − if (wExtSize < 4) { | |
| 502 | − lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects wExtSize >= %d", | |
| 503 | − wav_format_str(wav->formatTag), 4); | |
| 635 | + if (wav_ms_adpcm_fmt(ft, len)) | |
| 504 | 636 | return SOX_EOF; |
| 505 | − } | |
| 506 | − | |
| 507 | − if (wBitsPerSample != 4) { | |
| 508 | − lsx_fail_errno(ft, SOX_EOF, | |
| 509 | − "Can only handle 4-bit MS ADPCM in wav files"); | |
| 510 | − return SOX_EOF; | |
| 511 | − } | |
| 512 | − | |
| 513 | − lsx_readw(ft, &wav->samplesPerBlock); | |
| 514 | − lsx_readw(ft, &wav->nCoefs); | |
| 515 | − len -= 4; | |
| 516 | − | |
| 517 | − bytesPerBlock = lsx_ms_adpcm_bytes_per_block(ft->signal.channels, | |
| 518 | − wav->samplesPerBlock); | |
| 519 | − | |
| 520 | − if (bytesPerBlock != wav->blockAlign) { | |
| 521 | − lsx_fail_errno(ft, SOX_EOF, | |
| 522 | − "format[%s]: samplesPerBlock(%d) != blockAlign(%d)", | |
| 523 | − wav_format_str(wav->formatTag), | |
| 524 | − wav->samplesPerBlock, wav->blockAlign); | |
| 525 | − return SOX_EOF; | |
| 526 | − } | |
| 527 | − | |
| 528 | − if (wav->nCoefs < 7 || wav->nCoefs > 0x100) { | |
| 529 | − lsx_fail_errno(ft, SOX_EOF, | |
| 530 | − "ADPCM file nCoefs (%.4hx) makes no sense", | |
| 531 | − wav->nCoefs); | |
| 532 | − return SOX_EOF; | |
| 533 | − } | |
| 534 | − | |
| 535 | − if (wExtSize < 4 + 4 * wav->nCoefs) { | |
| 536 | − lsx_fail_errno(ft, SOX_EOF, "wave header error: wExtSize(%d) too small for nCoefs(%d)", wExtSize, wav->nCoefs); | |
| 537 | − return SOX_EOF; | |
| 538 | − } | |
| 539 | − | |
| 540 | − wav->packet = lsx_malloc(wav->blockAlign); | |
| 541 | − wav->samples = | |
| 542 | − lsx_malloc(wChannels * wav->samplesPerBlock * sizeof(short)); | |
| 543 | − | |
| 544 | − /* nCoefs, lsx_ms_adpcm_i_coefs used by adpcm.c */ | |
| 545 | − wav->lsx_ms_adpcm_i_coefs = lsx_malloc(wav->nCoefs * 2 * sizeof(short)); | |
| 546 | − wav->ms_adpcm_data = lsx_ms_adpcm_alloc(wChannels); | |
| 547 | − | |
| 548 | − { | |
| 549 | − int i, errct = 0; | |
| 550 | − | |
| 551 | − for (i = 0; len >= 2 && i < 2 * wav->nCoefs; i++) { | |
| 552 | − lsx_readsw(ft, &wav->lsx_ms_adpcm_i_coefs[i]); | |
| 553 | − len -= 2; | |
| 554 | − | |
| 555 | − if (i < 14) | |
| 556 | − errct += wav->lsx_ms_adpcm_i_coefs[i] != | |
| 557 | − lsx_ms_adpcm_i_coef[i / 2][i % 2]; | |
| 558 | − } | |
| 559 | − | |
| 560 | − if (errct) | |
| 561 | − lsx_warn("base lsx_ms_adpcm_i_coefs differ in %d/14 positions", | |
| 562 | − errct); | |
| 563 | − } | |
| 564 | 637 | |
| 565 | 638 | bytespersample = 2; /* AFTER de-compression */ |
| 566 | 639 | break; |
| 567 | 640 | |
| 568 | 641 | case WAVE_FORMAT_IMA_ADPCM: |
| 569 | − if (wExtSize < 2) { | |
| 570 | − lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects wExtSize >= %d", | |
| 571 | − wav_format_str(wav->formatTag), 2); | |
| 642 | + if (wav_ima_adpcm_fmt(ft, len)) | |
| 572 | 643 | return SOX_EOF; |
| 573 | − } | |
| 574 | − | |
| 575 | − if (wBitsPerSample != 4) { | |
| 576 | − lsx_fail_errno(ft, SOX_EOF, | |
| 577 | − "Can only handle 4-bit IMA ADPCM in wav files"); | |
| 578 | − return SOX_EOF; | |
| 579 | − } | |
| 580 | − | |
| 581 | − lsx_readw(ft, &wav->samplesPerBlock); | |
| 582 | − len -= 2; | |
| 583 | − | |
| 584 | − bytesPerBlock = lsx_ima_bytes_per_block(ft->signal.channels, | |
| 585 | − wav->samplesPerBlock); | |
| 586 | − | |
| 587 | − if (bytesPerBlock != wav->blockAlign || wav->samplesPerBlock % 8 != 1) { | |
| 588 | − lsx_fail_errno(ft, SOX_EOF, | |
| 589 | − "format[%s]: samplesPerBlock(%d) != blockAlign(%d)", | |
| 590 | − wav_format_str(wav->formatTag), | |
| 591 | − wav->samplesPerBlock, wav->blockAlign); | |
| 592 | − return SOX_EOF; | |
| 593 | − } | |
| 594 | − | |
| 595 | − wav->packet = lsx_malloc(wav->blockAlign); | |
| 596 | − wav->samples = | |
| 597 | − lsx_malloc(wChannels * wav->samplesPerBlock * sizeof(short)); | |
| 598 | 644 | |
| 599 | 645 | bytespersample = 2; /* AFTER de-compression */ |
| 600 | 646 | break; |
| 601 | 647 | |
| 602 | − /* GSM formats have extended fmt chunk. Check for those cases. */ | |
| 603 | 648 | case WAVE_FORMAT_GSM610: |
| 604 | − if (wExtSize < 2) { | |
| 605 | − lsx_fail_errno(ft, SOX_EOF, "format[%s]: expects wExtSize >= %d", | |
| 606 | − wav_format_str(wav->formatTag), 2); | |
| 607 | − return SOX_EOF; | |
| 608 | − } | |
| 609 | − | |
| 610 | − lsx_readw(ft, &wav->samplesPerBlock); | |
| 611 | − len -= 2; | |
| 612 | − | |
| 613 | − bytesPerBlock = 65; | |
| 614 | − | |
| 615 | − if (wav->blockAlign != 65) { | |
| 616 | − lsx_fail_errno(ft, SOX_EOF, | |
| 617 | − "format[%s]: expects blockAlign(%d) = %d", | |
| 618 | − wav_format_str(wav->formatTag), wav->blockAlign, 65); | |
| 649 | + if (wav_gsm_fmt(ft, len)) | |
| 619 | 650 | return SOX_EOF; |
| 620 | − } | |
| 621 | − | |
| 622 | − if (wav->samplesPerBlock != 320) { | |
| 623 | − lsx_fail_errno(ft, SOX_EOF, | |
| 624 | − "format[%s]: expects samplesPerBlock(%d) = %d", | |
| 625 | − wav_format_str(wav->formatTag), | |
| 626 | − wav->samplesPerBlock, 320); | |
| 627 | − return SOX_EOF; | |
| 628 | − } | |
| 629 | 651 | |
| 630 | 652 | bytespersample = 2; /* AFTER de-compression */ |
| 631 | 653 | break; |
| 632 | 654 | |
| 633 | 655 | default: |
| 634 | − bytespersample = (wBitsPerSample + 7) / 8; | |
| 656 | + bytespersample = (wav->bitsPerSample + 7) / 8; | |
| 635 | 657 | break; |
| 636 | 658 | } |
| 637 | 659 | |
| 638 | 660 | /* User options take precedence */ |
| 639 | 661 | if (!ft->encoding.bits_per_sample || |
| 640 | − ft->encoding.bits_per_sample == wBitsPerSample) | |
| 641 | − ft->encoding.bits_per_sample = wBitsPerSample; | |
| 662 | + ft->encoding.bits_per_sample == wav->bitsPerSample) | |
| 663 | + ft->encoding.bits_per_sample = wav->bitsPerSample; | |
| 642 | 664 | else |
| 643 | 665 | lsx_warn("User options overriding size read in .wav header"); |
| 644 | 666 | |