1 /* 2 * Copyright (c) 1999-2000 Image Power, Inc. and the University of 3 * British Columbia. 4 * Copyright (c) 2001-2002 Michael David Adams. 5 * All rights reserved. 6 */ 7 8 /* __START_OF_JASPER_LICENSE__ 9 * 10 * JasPer License Version 2.0 11 * 12 * Copyright (c) 2001-2006 Michael David Adams 13 * Copyright (c) 1999-2000 Image Power, Inc. 14 * Copyright (c) 1999-2000 The University of British Columbia 15 * 16 * All rights reserved. 17 * 18 * Permission is hereby granted, free of charge, to any person (the 19 * "User") obtaining a copy of this software and associated documentation 20 * files (the "Software"), to deal in the Software without restriction, 21 * including without limitation the rights to use, copy, modify, merge, 22 * publish, distribute, and/or sell copies of the Software, and to permit 23 * persons to whom the Software is furnished to do so, subject to the 24 * following conditions: 25 * 26 * 1. The above copyright notices and this permission notice (which 27 * includes the disclaimer below) shall be included in all copies or 28 * substantial portions of the Software. 29 * 30 * 2. The name of a copyright holder shall not be used to endorse or 31 * promote products derived from the Software without specific prior 32 * written permission. 33 * 34 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS 35 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER 36 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 37 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 38 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 39 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO 40 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL 41 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING 42 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 43 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 44 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE 45 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE 46 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. 47 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS 48 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL 49 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS 50 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE 51 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE 52 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL 53 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, 54 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL 55 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH 56 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, 57 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH 58 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY 59 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. 60 * 61 * __END_OF_JASPER_LICENSE__ 62 */ 63 64 /* 65 * JPEG-2000 Code Stream Library 66 * 67 * $Id$ 68 */ 69 70 #ifndef JPC_CS_H 71 #define JPC_CS_H 72 73 /******************************************************************************\ 74 * Includes. 75 \******************************************************************************/ 76 77 #include "jasper/jas_image.h" 78 #include "jasper/jas_stream.h" 79 80 #include "jpc_cod.h" 81 82 /******************************************************************************\ 83 * Constants and Types. 84 \******************************************************************************/ 85 86 /* The maximum number of resolution levels. */ 87 #define JPC_MAXRLVLS 33 88 89 /* The maximum number of bands. */ 90 #define JPC_MAXBANDS (3 * JPC_MAXRLVLS + 1) 91 92 /* The maximum number of layers. */ 93 #define JPC_MAXLYRS 16384 94 95 /**************************************\ 96 * Code stream. 97 \**************************************/ 98 99 /* 100 * Code stream states. 101 */ 102 103 /* Initial. */ 104 #define JPC_CS_INIT 0 105 /* Main header. */ 106 #define JPC_CS_MHDR 1 107 /* Tile-part header. */ 108 #define JPC_CS_THDR 2 109 /* Main trailer. */ 110 #define JPC_CS_MTLR 3 111 /* Tile-part data. */ 112 #define JPC_CS_TDATA 4 113 114 /* 115 * Unfortunately, the code stream syntax was not designed in such a way that 116 * any given marker segment can be correctly decoded without additional state 117 * derived from previously decoded marker segments. 118 * For example, a RGN/COC/QCC marker segment cannot be decoded unless the 119 * number of components is known. 120 */ 121 122 /* 123 * Code stream state information. 124 */ 125 126 typedef struct { 127 128 /* The number of components. */ 129 uint_fast16_t numcomps; 130 131 } jpc_cstate_t; 132 133 /**************************************\ 134 * SOT marker segment parameters. 135 \**************************************/ 136 137 typedef struct { 138 139 /* The tile number. */ 140 uint_fast16_t tileno; 141 142 /* The combined length of the marker segment and its auxilary data 143 (i.e., packet data). */ 144 uint_fast32_t len; 145 146 /* The tile-part instance. */ 147 uint_fast8_t partno; 148 149 /* The number of tile-parts. */ 150 uint_fast8_t numparts; 151 152 } jpc_sot_t; 153 154 /**************************************\ 155 * SIZ marker segment parameters. 156 \**************************************/ 157 158 /* Per component information. */ 159 160 typedef struct { 161 162 /* The precision of the samples. */ 163 uint_fast8_t prec; 164 165 /* The signedness of the samples. */ 166 uint_fast8_t sgnd; 167 168 /* The horizontal separation of samples with respect to the reference 169 grid. */ 170 uint_fast8_t hsamp; 171 172 /* The vertical separation of samples with respect to the reference 173 grid. */ 174 uint_fast8_t vsamp; 175 176 } jpc_sizcomp_t; 177 178 /* SIZ marker segment parameters. */ 179 180 typedef struct { 181 182 /* The code stream capabilities. */ 183 uint_fast16_t caps; 184 185 /* The width of the image in units of the reference grid. */ 186 uint_fast32_t width; 187 188 /* The height of the image in units of the reference grid. */ 189 uint_fast32_t height; 190 191 /* The horizontal offset from the origin of the reference grid to the 192 left side of the image area. */ 193 uint_fast32_t xoff; 194 195 /* The vertical offset from the origin of the reference grid to the 196 top side of the image area. */ 197 uint_fast32_t yoff; 198 199 /* The nominal width of a tile in units of the reference grid. */ 200 uint_fast32_t tilewidth; 201 202 /* The nominal height of a tile in units of the reference grid. */ 203 uint_fast32_t tileheight; 204 205 /* The horizontal offset from the origin of the reference grid to the 206 left side of the first tile. */ 207 uint_fast32_t tilexoff; 208 209 /* The vertical offset from the origin of the reference grid to the 210 top side of the first tile. */ 211 uint_fast32_t tileyoff; 212 213 /* The number of components. */ 214 uint_fast16_t numcomps; 215 216 /* The per-component information. */ 217 jpc_sizcomp_t *comps; 218 219 } jpc_siz_t; 220 221 /**************************************\ 222 * COD marker segment parameters. 223 \**************************************/ 224 225 /* 226 * Coding style constants. 227 */ 228 229 /* Precincts may be used. */ 230 #define JPC_COX_PRT 0x01 231 /* SOP marker segments may be used. */ 232 #define JPC_COD_SOP 0x02 233 /* EPH marker segments may be used. */ 234 #define JPC_COD_EPH 0x04 235 236 /* 237 * Progression order constants. 238 */ 239 240 /* Layer-resolution-component-precinct progressive 241 (i.e., progressive by fidelity). */ 242 #define JPC_COD_LRCPPRG 0 243 /* Resolution-layer-component-precinct progressive 244 (i.e., progressive by resolution). */ 245 #define JPC_COD_RLCPPRG 1 246 /* Resolution-precinct-component-layer progressive. */ 247 #define JPC_COD_RPCLPRG 2 248 /* Precinct-component-resolution-layer progressive. */ 249 #define JPC_COD_PCRLPRG 3 250 /* Component-position-resolution-layer progressive. */ 251 #define JPC_COD_CPRLPRG 4 252 253 /* 254 * Code block style constants. 255 */ 256 257 #define JPC_COX_LAZY 0x01 /* Selective arithmetic coding bypass. */ 258 #define JPC_COX_RESET 0x02 /* Reset context probabilities. */ 259 #define JPC_COX_TERMALL 0x04 /* Terminate all coding passes. */ 260 #define JPC_COX_VSC 0x08 /* Vertical stripe causal context formation. */ 261 #define JPC_COX_PTERM 0x10 /* Predictable termination. */ 262 #define JPC_COX_SEGSYM 0x20 /* Use segmentation symbols. */ 263 264 /* Transform constants. */ 265 #define JPC_COX_INS 0x00 /* Irreversible 9/7. */ 266 #define JPC_COX_RFT 0x01 /* Reversible 5/3. */ 267 268 /* Multicomponent transform constants. */ 269 #define JPC_COD_NOMCT 0x00 /* No multicomponent transform. */ 270 #define JPC_COD_MCT 0x01 /* Multicomponent transform. */ 271 272 /* Get the code block size value from the code block size exponent. */ 273 #define JPC_COX_CBLKSIZEEXPN(x) ((x) - 2) 274 /* Get the code block size exponent from the code block size value. */ 275 #define JPC_COX_GETCBLKSIZEEXPN(x) ((x) + 2) 276 277 /* Per resolution-level information. */ 278 279 typedef struct { 280 281 /* The packet partition width. */ 282 uint_fast8_t parwidthval; 283 284 /* The packet partition height. */ 285 uint_fast8_t parheightval; 286 287 } jpc_coxrlvl_t; 288 289 /* Per component information. */ 290 291 typedef struct { 292 293 /* The coding style. */ 294 uint_fast8_t csty; 295 296 /* The number of decomposition levels. */ 297 uint_fast8_t numdlvls; 298 299 /* The nominal code block width specifier. */ 300 uint_fast8_t cblkwidthval; 301 302 /* The nominal code block height specifier. */ 303 uint_fast8_t cblkheightval; 304 305 /* The style of coding passes. */ 306 uint_fast8_t cblksty; 307 308 /* The QMFB employed. */ 309 uint_fast8_t qmfbid; 310 311 /* The number of resolution levels. */ 312 int numrlvls; 313 314 /* The per-resolution-level information. */ 315 jpc_coxrlvl_t rlvls[JPC_MAXRLVLS]; 316 317 } jpc_coxcp_t; 318 319 /* COD marker segment parameters. */ 320 321 typedef struct { 322 323 /* The general coding style. */ 324 uint_fast8_t csty; 325 326 /* The progression order. */ 327 uint_fast8_t prg; 328 329 /* The number of layers. */ 330 uint_fast16_t numlyrs; 331 332 /* The multicomponent transform. */ 333 uint_fast8_t mctrans; 334 335 /* Component-related parameters. */ 336 jpc_coxcp_t compparms; 337 338 } jpc_cod_t; 339 340 /* COC marker segment parameters. */ 341 342 typedef struct { 343 344 /* The component number. */ 345 uint_fast16_t compno; 346 347 /* Component-related parameters. */ 348 jpc_coxcp_t compparms; 349 350 } jpc_coc_t; 351 352 /**************************************\ 353 * RGN marker segment parameters. 354 \**************************************/ 355 356 /* The maxshift ROI style. */ 357 #define JPC_RGN_MAXSHIFT 0x00 358 359 typedef struct { 360 361 /* The component to which the marker applies. */ 362 uint_fast16_t compno; 363 364 /* The ROI style. */ 365 uint_fast8_t roisty; 366 367 /* The ROI shift value. */ 368 uint_fast8_t roishift; 369 370 } jpc_rgn_t; 371 372 /**************************************\ 373 * QCD/QCC marker segment parameters. 374 \**************************************/ 375 376 /* 377 * Quantization style constants. 378 */ 379 380 #define JPC_QCX_NOQNT 0 /* No quantization. */ 381 #define JPC_QCX_SIQNT 1 /* Scalar quantization, implicit. */ 382 #define JPC_QCX_SEQNT 2 /* Scalar quantization, explicit. */ 383 384 /* 385 * Stepsize manipulation macros. 386 */ 387 388 #define JPC_QCX_GETEXPN(x) ((x) >> 11) 389 #define JPC_QCX_GETMANT(x) ((x) & 0x07ff) 390 #define JPC_QCX_ASSERT_EXPN(x) assert(!((x) & (~0x1f))) 391 #define JPC_QCX_EXPN(x) (((x) & 0x1f) << 11) 392 #define JPC_QCX_ASSERT_MANT(x) assert(!((x) & (~0x7ff))) 393 #define JPC_QCX_MANT(x) ((x) & 0x7ff) 394 395 /* Per component information. */ 396 397 typedef struct { 398 399 /* The quantization style. */ 400 uint_fast8_t qntsty; 401 402 /* The number of step sizes. */ 403 int numstepsizes; 404 405 /* The step sizes. */ 406 uint_fast16_t *stepsizes; 407 408 /* The number of guard bits. */ 409 uint_fast8_t numguard; 410 411 } jpc_qcxcp_t; 412 413 /* QCC marker segment parameters. */ 414 415 typedef struct { 416 417 /* The component associated with this marker segment. */ 418 uint_fast16_t compno; 419 420 /* The parameters. */ 421 jpc_qcxcp_t compparms; 422 423 } jpc_qcc_t; 424 425 /* QCD marker segment parameters. */ 426 427 typedef struct { 428 429 /* The parameters. */ 430 jpc_qcxcp_t compparms; 431 432 } jpc_qcd_t; 433 434 /**************************************\ 435 * POD marker segment parameters. 436 \**************************************/ 437 438 typedef struct { 439 440 /* The progression order. */ 441 uint_fast8_t prgord; 442 443 /* The lower bound (inclusive) on the resolution level for the 444 progression order volume. */ 445 uint_fast8_t rlvlnostart; 446 447 /* The upper bound (exclusive) on the resolution level for the 448 progression order volume. */ 449 uint_fast8_t rlvlnoend; 450 451 /* The lower bound (inclusive) on the component for the progression 452 order volume. */ 453 uint_fast16_t compnostart; 454 455 /* The upper bound (exclusive) on the component for the progression 456 order volume. */ 457 uint_fast16_t compnoend; 458 459 /* The upper bound (exclusive) on the layer for the progression 460 order volume. */ 461 uint_fast16_t lyrnoend; 462 463 } jpc_pocpchg_t; 464 465 /* An alias for the above type. */ 466 typedef jpc_pocpchg_t jpc_pchg_t; 467 468 /* POC marker segment parameters. */ 469 470 typedef struct { 471 472 /* The number of progression order changes. */ 473 int numpchgs; 474 475 /* The per-progression-order-change information. */ 476 jpc_pocpchg_t *pchgs; 477 478 } jpc_poc_t; 479 480 /**************************************\ 481 * PPM/PPT marker segment parameters. 482 \**************************************/ 483 484 /* PPM marker segment parameters. */ 485 486 typedef struct { 487 488 /* The index. */ 489 uint_fast8_t ind; 490 491 /* The length. */ 492 uint_fast16_t len; 493 494 /* The data. */ 495 uchar *data; 496 497 } jpc_ppm_t; 498 499 /* PPT marker segment parameters. */ 500 501 typedef struct { 502 503 /* The index. */ 504 uint_fast8_t ind; 505 506 /* The length. */ 507 uint_fast32_t len; 508 509 /* The data. */ 510 unsigned char *data; 511 512 } jpc_ppt_t; 513 514 /**************************************\ 515 * COM marker segment parameters. 516 \**************************************/ 517 518 /* 519 * Registration IDs. 520 */ 521 522 #define JPC_COM_BIN 0x00 523 #define JPC_COM_LATIN 0x01 524 525 typedef struct { 526 527 /* The registration ID. */ 528 uint_fast16_t regid; 529 530 /* The length of the data in bytes. */ 531 uint_fast16_t len; 532 533 /* The data. */ 534 uchar *data; 535 536 } jpc_com_t; 537 538 /**************************************\ 539 * SOP marker segment parameters. 540 \**************************************/ 541 542 typedef struct { 543 544 /* The sequence number. */ 545 uint_fast16_t seqno; 546 547 } jpc_sop_t; 548 549 /**************************************\ 550 * CRG marker segment parameters. 551 \**************************************/ 552 553 /* Per component information. */ 554 555 typedef struct { 556 557 /* The horizontal offset. */ 558 uint_fast16_t hoff; 559 560 /* The vertical offset. */ 561 uint_fast16_t voff; 562 563 } jpc_crgcomp_t; 564 565 typedef struct { 566 567 /* The number of components. */ 568 int numcomps; 569 570 /* Per component information. */ 571 jpc_crgcomp_t *comps; 572 573 } jpc_crg_t; 574 575 /**************************************\ 576 * Marker segment parameters for unknown marker type. 577 \**************************************/ 578 579 typedef struct { 580 581 /* The data. */ 582 uchar *data; 583 584 /* The length. */ 585 uint_fast16_t len; 586 587 } jpc_unk_t; 588 589 /**************************************\ 590 * Generic marker segment parameters. 591 \**************************************/ 592 593 typedef union { 594 int soc; /* unused */ 595 jpc_sot_t sot; 596 int sod; /* unused */ 597 int eoc; /* unused */ 598 jpc_siz_t siz; 599 jpc_cod_t cod; 600 jpc_coc_t coc; 601 jpc_rgn_t rgn; 602 jpc_qcd_t qcd; 603 jpc_qcc_t qcc; 604 jpc_poc_t poc; 605 /* jpc_plm_t plm; */ 606 /* jpc_plt_t plt; */ 607 jpc_ppm_t ppm; 608 jpc_ppt_t ppt; 609 jpc_sop_t sop; 610 int eph; /* unused */ 611 jpc_com_t com; 612 jpc_crg_t crg; 613 jpc_unk_t unk; 614 } jpc_msparms_t; 615 616 /**************************************\ 617 * Marker segment. 618 \**************************************/ 619 620 /* Marker segment IDs. */ 621 622 /* The smallest valid marker value. */ 623 #define JPC_MS_MIN 0xff00 624 625 /* The largest valid marker value. */ 626 #define JPC_MS_MAX 0xffff 627 628 /* The minimum marker value that cannot occur within packet data. */ 629 #define JPC_MS_INMIN 0xff80 630 /* The maximum marker value that cannot occur within packet data. */ 631 #define JPC_MS_INMAX 0xffff 632 633 /* Delimiting marker segments. */ 634 #define JPC_MS_SOC 0xff4f /* Start of code stream (SOC). */ 635 #define JPC_MS_SOT 0xff90 /* Start of tile-part (SOT). */ 636 #define JPC_MS_SOD 0xff93 /* Start of data (SOD). */ 637 #define JPC_MS_EOC 0xffd9 /* End of code stream (EOC). */ 638 639 /* Fixed information marker segments. */ 640 #define JPC_MS_SIZ 0xff51 /* Image and tile size (SIZ). */ 641 642 /* Functional marker segments. */ 643 #define JPC_MS_COD 0xff52 /* Coding style default (COD). */ 644 #define JPC_MS_COC 0xff53 /* Coding style component (COC). */ 645 #define JPC_MS_RGN 0xff5e /* Region of interest (RGN). */ 646 #define JPC_MS_QCD 0xff5c /* Quantization default (QCD). */ 647 #define JPC_MS_QCC 0xff5d /* Quantization component (QCC). */ 648 #define JPC_MS_POC 0xff5f /* Progression order default (POC). */ 649 650 /* Pointer marker segments. */ 651 #define JPC_MS_TLM 0xff55 /* Tile-part lengths, main header (TLM). */ 652 #define JPC_MS_PLM 0xff57 /* Packet length, main header (PLM). */ 653 #define JPC_MS_PLT 0xff58 /* Packet length, tile-part header (PLT). */ 654 #define JPC_MS_PPM 0xff60 /* Packed packet headers, main header (PPM). */ 655 #define JPC_MS_PPT 0xff61 /* Packet packet headers, tile-part header (PPT). */ 656 657 /* In bit stream marker segments. */ 658 #define JPC_MS_SOP 0xff91 /* Start of packet (SOP). */ 659 #define JPC_MS_EPH 0xff92 /* End of packet header (EPH). */ 660 661 /* Informational marker segments. */ 662 #define JPC_MS_CRG 0xff63 /* Component registration (CRG). */ 663 #define JPC_MS_COM 0xff64 /* Comment (COM). */ 664 665 /* Forward declaration. */ 666 struct jpc_msops_s; 667 668 /* Generic marker segment class. */ 669 670 typedef struct { 671 672 /* The type of marker segment. */ 673 uint_fast16_t id; 674 675 /* The length of the marker segment. */ 676 uint_fast16_t len; 677 678 /* The starting offset within the stream. */ 679 uint_fast32_t off; 680 681 /* The parameters of the marker segment. */ 682 jpc_msparms_t parms; 683 684 /* The marker segment operations. */ 685 struct jpc_msops_s *ops; 686 687 } jpc_ms_t; 688 689 /* Marker segment operations (which depend on the marker segment type). */ 690 691 typedef struct jpc_msops_s { 692 693 /* Destroy the marker segment parameters. */ 694 void (*destroyparms)(jpc_ms_t *ms); 695 696 /* Get the marker segment parameters from a stream. */ 697 int (*getparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); 698 699 /* Put the marker segment parameters to a stream. */ 700 int (*putparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); 701 702 /* Dump the marker segment parameters (for debugging). */ 703 int (*dumpparms)(jpc_ms_t *ms, FILE *out); 704 705 } jpc_msops_t; 706 707 /******************************************************************************\ 708 * Macros/Functions. 709 \******************************************************************************/ 710 711 /* Create a code-stream state object. */ 712 jpc_cstate_t *jpc_cstate_create(void); 713 714 /* Destroy a code-stream state object. */ 715 void jpc_cstate_destroy(jpc_cstate_t *cstate); 716 717 /* Create a marker segment. */ 718 jpc_ms_t *jpc_ms_create(int type); 719 720 /* Destroy a marker segment. */ 721 void jpc_ms_destroy(jpc_ms_t *ms); 722 723 /* Does a marker segment have parameters? */ 724 #define JPC_MS_HASPARMS(x) \ 725 (!((x) == JPC_MS_SOC || (x) == JPC_MS_SOD || (x) == JPC_MS_EOC || \ 726 (x) == JPC_MS_EPH || ((x) >= 0xff30 && (x) <= 0xff3f))) 727 728 /* Get the marker segment type. */ 729 #define jpc_ms_gettype(ms) \ 730 ((ms)->id) 731 732 /* Read a marker segment from a stream. */ 733 jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate); 734 735 /* Write a marker segment to a stream. */ 736 int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms); 737 738 /* Copy code stream data from one stream to another. */ 739 int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long n); 740 741 /* Copy code stream data from one stream to another. */ 742 int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long n); 743 744 /* Dump a marker segment (for debugging). */ 745 void jpc_ms_dump(jpc_ms_t *ms, FILE *out); 746 747 /* Read a 8-bit unsigned integer from a stream. */ 748 int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val); 749 750 /* Read a 16-bit unsigned integer from a stream. */ 751 int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val); 752 753 /* Read a 32-bit unsigned integer from a stream. */ 754 int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val); 755 756 /* Write a 8-bit unsigned integer to a stream. */ 757 int jpc_putuint8(jas_stream_t *out, uint_fast8_t val); 758 759 /* Write a 16-bit unsigned integer to a stream. */ 760 int jpc_putuint16(jas_stream_t *out, uint_fast16_t val); 761 762 /* Write a 32-bit unsigned integer to a stream. */ 763 int jpc_putuint32(jas_stream_t *out, uint_fast32_t val); 764 765 #endif 766