src/swfdump.c

   1 /* swfdump.c
   2    Shows the structure of a swf file
   3
   4    Part of the swftools package.
   5
   6    Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  21
  22 #include "../config.h"
  23
  24 #ifdef HAVE_SYS_STAT_H
  25 #include <sys/stat.h>
  26 #else
  27 #undef HAVE_STAT
  28 #endif
  29
  30 #ifdef HAVE_SYS_TYPES_H
  31 #include <sys/types.h>
  32 #else
  33 #undef HAVE_STAT
  34 #endif
  35
  36 #include <unistd.h>
  37 #include <stdio.h>
  38 #include <fcntl.h>
  39 #include <stdarg.h>
  40 #include "../lib/rfxswf.h"
  41 #include "../lib/args.h"
  42
  43 static char * filename = 0;
  44
  45 /* idtab stores the ids which are defined in the file. This allows us
  46    to detect errors in the file. (i.e. ids which are defined more than
  47    once */
  48 static char idtab[65536];
  49 static char * indent = "                ";
  50
  51 static int placements = 0;
  52 static int action = 0;
  53 static int html = 0;
  54 static int xy = 0;
  55 static int showtext = 0;
  56 static int showshapes = 0;
  57 static int hex = 0;
  58 static int used = 0;
  59
  60 static struct options_t options[] = {
  61 {"h", "help"},
  62 {"D", "full"},
  63 {"V", "version"},
  64 {"e", "html"},
  65 {"a", "action"},
  66 {"t", "text"},
  67 {"p", "placements"},
  68 {"X", "width"},
  69 {"Y", "height"},
  70 {"r", "rate"},
  71 {"f", "frames"},
  72 {"d", "hex"},
  73 {"u", "used"},
  74 {"s", "shapes"},
  75 {0,0}
  76 };
  77
  78 int args_callback_option(char*name,char*val)
  79 {
  80     if(!strcmp(name, "V")) {
  81         printf("swfdump - part of %s %s\n", PACKAGE, VERSION);
  82         exit(0);
  83     }
  84     else if(name[0]=='a') {
  85         action = 1;
  86         return 0;
  87     }
  88     else if(name[0]=='p') {
  89         placements = 1;
  90         return 0;
  91     }
  92     else if(name[0]=='t') {
  93         showtext = 1;
  94         return 0;
  95     }
  96     else if(name[0]=='s') {
  97         showshapes = 1;
  98         return 0;
  99     }
 100     else if(name[0]=='e') {
 101         html = 1;
 102         return 0;
 103     }
 104     else if(name[0]=='X') {
 105         xy |= 1;
 106         return 0;
 107     }
 108     else if(name[0]=='Y') {
 109         xy |= 2;
 110         return 0;
 111     }
 112     else if(name[0]=='r') {
 113         xy |= 4;
 114         return 0;
 115     }
 116     else if(name[0]=='f') {
 117         xy |= 8;
 118         return 0;
 119     }
 120     else if(name[0]=='d') {
 121         hex = 1;
 122         return 0;
 123     }
 124     else if(name[0]=='u') {
 125         used = 1;
 126         return 0;
 127     }
 128     else if(name[0]=='D') {
 129         action = placements = showtext = showshapes = 1;
 130         return 0;
 131     }
 132     else {
 133         printf("Unknown option: -%s\n", name);
 134         exit(1);
 135     }
 136
 137     return 0;
 138 }
 139 int args_callback_longoption(char*name,char*val)
 140 {
 141     return args_long2shortoption(options, name, val);
 142 }
 143 void args_callback_usage(char *name)
 144 {
 145     printf("\n");
 146     printf("Usage: %s [-atpdu] file.swf\n", name);
 147     printf("\n");
 148     printf("-h , --help                    Print short help message and exit\n");
 149     printf("-D , --full                    Show everything. Same as -atp\n");
 150     printf("-V , --version                 Print version info and exit\n");
 151     printf("-e , --html                    Print out html code for embedding the file\n");
 152     printf("-a , --action                  Disassemble action tags\n");
 153     printf("-t , --text                    Show text fields (like swfstrings).\n");
 154     printf("-p , --placements              Show placement information\n");
 155     printf("-X , --width                   Prints out a string of the form \"-X width\".\n");
 156     printf("-Y , --height                  Prints out a string of the form \"-Y height\".\n");
 157     printf("-r , --rate                    Prints out a string of the form \"-r rate\".\n");
 158     printf("-f , --frames                  Prints out a string of the form \"-f framenum\".\n");
 159     printf("-d , --hex                     Print hex output of tag data, too.\n");
 160     printf("-u , --used                    Show referred IDs for each Tag.\n");
 161     printf("\n");
 162 }
 163 int args_callback_command(char*name,char*val)
 164 {
 165     if(filename) {
 166         fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
 167                  filename, name);
 168     }
 169     filename = name;
 170     return 0;
 171 }
 172
 173 char* what;
 174 char* testfunc(char*str)
 175 {
 176     printf("%s: %s\n", what, str);
 177     return 0;
 178 }
 179
 180 void dumpButton2Actions(TAG*tag, char*prefix)
 181 {
 182     U32 oldTagPos;
 183     U32 offsetpos;
 184     U32 condition;
 185
 186     oldTagPos = swf_GetTagPos(tag);
 187
 188     // scan DefineButton2 Record
 189
 190     swf_GetU16(tag);          // Character ID
 191     swf_GetU8(tag);           // Flags;
 192
 193     offsetpos = swf_GetTagPos(tag);  // first offset
 194     swf_GetU16(tag);
 195
 196     while (swf_GetU8(tag))      // state  -> parse ButtonRecord
 197     { swf_GetU16(tag);          // id
 198       swf_GetU16(tag);          // layer
 199       swf_GetMatrix(tag,NULL);  // matrix
 200       swf_GetCXForm(tag,NULL,1);  // cxform
 201     }
 202
 203     while(offsetpos)
 204     { U8 a;
 205       ActionTAG*actions;
 206
 207       if(tag->pos >= tag->len)
 208           break;
 209
 210       offsetpos = swf_GetU16(tag);
 211       condition = swf_GetU16(tag);                // condition
 212
 213       actions = swf_ActionGet(tag);
 214       printf("%s condition %04x\n", prefix, condition);
 215       swf_DumpActions(actions, prefix);
 216     }
 217
 218     swf_SetTagPos(tag,oldTagPos);
 219     return;
 220 }
 221
 222 void dumpButtonActions(TAG*tag, char*prefix)
 223 {
 224     ActionTAG*actions;
 225     swf_GetU16(tag); // id
 226     while (swf_GetU8(tag))      // state  -> parse ButtonRecord
 227     { swf_GetU16(tag);          // id
 228       swf_GetU16(tag);          // layer
 229       swf_GetMatrix(tag,NULL);  // matrix
 230     }
 231     actions = swf_ActionGet(tag);
 232     swf_DumpActions(actions, prefix);
 233 }
 234
 235 #define ET_HASTEXT 32768
 236 #define ET_WORDWRAP 16384
 237 #define ET_MULTILINE 8192
 238 #define ET_PASSWORD 4096
 239 #define ET_READONLY 2048
 240 #define ET_HASTEXTCOLOR 1024
 241 #define ET_HASMAXLENGTH 512
 242 #define ET_HASFONT 256
 243 #define ET_X3 128
 244 #define ET_X2 64
 245 #define ET_HASLAYOUT 32
 246 #define ET_NOSELECT 16
 247 #define ET_BORDER 8
 248 #define ET_X1 4
 249 #define ET_X0 2
 250 #define ET_USEOUTLINES 1
 251
 252 SWF swf;
 253 int fontnum = 0;
 254 SWFFONT**fonts;
 255
 256 void textcallback(void*self, int*glyphs, int*ypos, int nr, int fontid, int fontsize, int startx, int starty, RGBA*color)
 257 {
 258     int font=-1,t;
 259     printf("                <%2d glyphs in font %2d, color #%02x%02x%02x%02x> ",nr, fontid, color->r, color->g, color->b, color->a);
 260     for(t=0;t<fontnum;t++)
 261     {
 262         if(fonts[t]->id == fontid) {
 263             font = t;
 264             break;
 265         }
 266     }
 267
 268     for(t=0;t<nr;t++)
 269     {
 270         unsigned char a;
 271         if(font>=0) {
 272             if(glyphs[t] >= fonts[font]->numchars  /*glyph is in range*/
 273                     || !fonts[font]->glyph2ascii /* font has ascii<->glyph mapping */
 274               ) a = glyphs[t];
 275             else
 276                 a = fonts[font]->glyph2ascii[glyphs[t]];
 277         } else {
 278             a = glyphs[t];
 279         }
 280         if(a>=32)
 281             printf("%c", a);
 282         else
 283             printf("\\x%x", (int)a);
 284     }
 285     printf("\n");
 286 }
 287
 288 void handleText(TAG*tag)
 289 {
 290   printf("\n");
 291   swf_ParseDefineText(tag,textcallback, 0);
 292 }
 293
 294 void handleDefineSound(TAG*tag)
 295 {
 296     U16 id = swf_GetU16(tag);
 297     U8 flags = swf_GetU8(tag);
 298     int compression = (flags>>4)&3;
 299     int rate = (flags>>2)&3;
 300     int bits = flags&2?16:8;
 301     int stereo = flags&1;
 302     printf(" (");
 303     if(compression == 0) printf("Raw ");
 304     else if(compression == 1) printf("ADPCM ");
 305     else if(compression == 2) printf("MP3 ");
 306     else printf("? ");
 307     if(rate == 0) printf("5.5Khz ");
 308     if(rate == 1) printf("11Khz ");
 309     if(rate == 2) printf("22Khz ");
 310     if(rate == 3) printf("44Khz ");
 311     printf("%dBit ", bits);
 312     if(stereo) printf("stereo");
 313     else printf("mono");
 314     printf(")");
 315 }
 316
 317 void handleDefineBits(TAG*tag)
 318 {
 319     U16 id;
 320     U8 mode;
 321     U16 width,height;
 322     int bpp;
 323     id = swf_GetU16(tag);
 324     mode = swf_GetU8(tag);
 325     width = swf_GetU16(tag);
 326     height = swf_GetU16(tag);
 327     printf(" image %dx%d",width,height);
 328     if(mode == 3) printf(" (8 bpp)");
 329     else if(mode == 4) printf(" (16 bpp)");
 330     else if(mode == 5) printf(" (32 bpp)");
 331     else printf(" (? bpp)");
 332 }
 333
 334 void handleEditText(TAG*tag)
 335 {
 336     U16 id ;
 337     U16 flags;
 338     int t;
 339     id = swf_GetU16(tag);
 340     swf_GetRect(tag,0);
 341     //swf_ResetReadBits(tag);
 342     if (tag->readBit)
 343     { tag->pos++;
 344       tag->readBit = 0;
 345     }
 346     flags = swf_GetBits(tag,16);
 347     if(flags & ET_HASFONT) {
 348         swf_GetU16(tag); //font
 349         swf_GetU16(tag); //fontheight
 350     }
 351     if(flags & ET_HASTEXTCOLOR) {
 352         swf_GetU8(tag); //rgba
 353         swf_GetU8(tag);
 354         swf_GetU8(tag);
 355         swf_GetU8(tag);
 356     }
 357     if(flags & ET_HASMAXLENGTH) {
 358         swf_GetU16(tag); //maxlength
 359     }
 360     if(flags & ET_HASLAYOUT) {
 361         swf_GetU8(tag); //align
 362         swf_GetU16(tag); //left margin
 363         swf_GetU16(tag); //right margin
 364         swf_GetU16(tag); //indent
 365         swf_GetU16(tag); //leading
 366     }
 367     printf(" variable \"%s\"", &tag->data[tag->pos]);
 368
 369     if(flags & (ET_X1 | ET_X2 | ET_X3 | ET_X0))
 370     {
 371         printf(" undefined flags: %d%d%d%d",
 372                 (flags&ET_X0?1:0),
 373                 (flags&ET_X1?1:0),
 374                 (flags&ET_X2?1:0),
 375                 (flags&ET_X3?1:0));
 376     }
 377
 378     while(tag->data[tag->pos++]);
 379     if(flags & ET_HASTEXT)
 380    //  printf(" text \"%s\"\n", &tag->data[tag->pos]) //TODO
 381         ;
 382 }
 383 void printhandlerflags(U32 handlerflags)
 384 {
 385     if(handlerflags&1) printf("[on load]");
 386     if(handlerflags&2) printf("[enter frame]");
 387     if(handlerflags&4) printf("[unload]");
 388     if(handlerflags&8) printf("[mouse move]");
 389     if(handlerflags&16) printf("[mouse down]");
 390     if(handlerflags&32) printf("[mouse up]");
 391     if(handlerflags&64) printf("[key down]");
 392     if(handlerflags&128) printf("[key up]");
 393
 394     if(handlerflags&256) printf("[data]");
 395     if(handlerflags&512) printf("[initialize]");
 396     if(handlerflags&1024) printf("[mouse press]");
 397     if(handlerflags&2048) printf("[mouse release]");
 398     if(handlerflags&4096) printf("[mouse release outside]");
 399     if(handlerflags&8192) printf("[mouse rollover]");
 400     if(handlerflags&16384) printf("[mouse rollout]");
 401     if(handlerflags&32768) printf("[mouse drag over]");
 402
 403     if(handlerflags&0x10000) printf("[mouse drag out]");
 404     if(handlerflags&0x20000) printf("[key press]");
 405     if(handlerflags&0x40000) printf("[construct even]");
 406     if(handlerflags&0xfff80000) printf("[???]");
 407 }
 408 void handleVideoStream(TAG*tag, char*prefix)
 409 {
 410     U16 id = swf_GetU16(tag);
 411     U16 frames = swf_GetU16(tag);
 412     U16 width = swf_GetU16(tag);
 413     U16 height = swf_GetU16(tag);
 414     U8 flags = swf_GetU8(tag); //5-2(videopacket 01=off 10=on)-1(smoothing 1=on)
 415     U8 codec = swf_GetU8(tag);
 416     printf(" (%d frames, %dx%d", frames, width, height);
 417     if(flags&1)
 418         printf(" smoothed");
 419     if(codec == 2)
 420         printf(" sorenson h.263)");
 421     else
 422         printf(" codec 0x%02x)", codec);
 423 }
 424 void handleVideoFrame(TAG*tag, char*prefix)
 425 {
 426     U32 code, version, reference, sizeflags;
 427     U32 width=0, height=0;
 428     U8 type;
 429     U16 id = swf_GetU16(tag);
 430     U16 frame = swf_GetU16(tag);
 431     U8 deblock,flags, tmp, bit;
 432     U32 quantizer;
 433     char*types[] = {"I-frame", "P-frame", "disposable P-frame", "<reserved>"};
 434     printf(" (frame %d) ", frame);
 435
 436     /* video packet follows */
 437     code = swf_GetBits(tag, 17);
 438     version = swf_GetBits(tag, 5);
 439     reference = swf_GetBits(tag, 8);
 440
 441     sizeflags = swf_GetBits(tag, 3);
 442     switch(sizeflags)
 443     {
 444         case 0: width = swf_GetBits(tag, 8); height = swf_GetBits(tag, 8); break;
 445         case 1: width = swf_GetBits(tag, 16); height = swf_GetBits(tag, 16); break;
 446         case 2: width = 352; height = 288; break;
 447         case 3: width = 176; height = 144; break;
 448         case 4: width = 128; height = 96; break;
 449         case 5: width = 320; height = 240; break;
 450         case 6: width = 160; height = 120; break;
 451         case 7: width = -1; height = -1;/*reserved*/ break;
 452     }
 453     printf("%dx%d ", width, height);
 454     type = swf_GetBits(tag, 2);
 455     printf("%s", types[type]);
 456
 457     deblock = swf_GetBits(tag, 1);
 458     if(deblock)
 459         printf(" deblock ", deblock);
 460     quantizer = swf_GetBits(tag, 5);
 461     printf(" quant: %d ", quantizer);
 462 }
 463
 464 void handlePlaceObject2(TAG*tag, char*prefix)
 465 {
 466     U8 flags = swf_GetU8(tag);
 467     MATRIX m;
 468     CXFORM cx;
 469     char pstr[3][160];
 470     int ppos[3] = {0,0,0};
 471     swf_GetU16(tag); //depth
 472
 473     //flags&1: move
 474     if(flags&2) swf_GetU16(tag); //id
 475     if(flags&4) {
 476         swf_GetMatrix(tag,&m);
 477         if(placements) {
 478             ppos[0] += sprintf(pstr[0], "| Matrix             ");
 479             ppos[1] += sprintf(pstr[1], "| %5.3f %5.3f %6.2f ", m.sx/65536.0, m.r1/65536.0, m.tx/20.0);
 480             ppos[2] += sprintf(pstr[2], "| %5.3f %5.3f %6.2f ", m.r0/65536.0, m.sy/65536.0, m.ty/20.0);
 481         }
 482     }
 483     if(flags&8) {
 484         swf_GetCXForm(tag, &cx, 1);
 485         if(placements) {
 486             ppos[0] += sprintf(pstr[0]+ppos[0], "| CXForm    r    g    b    a ");
 487             ppos[1] += sprintf(pstr[1]+ppos[1], "| mul    %4.1f %4.1f %4.1f %4.1f ", cx.r0/256.0, cx.g0/256.0, cx.b0/256.0, cx.a0/256.0);
 488             ppos[2] += sprintf(pstr[2]+ppos[2], "| add    %4d %4d %4d %4d ", cx.r1, cx.g1, cx.b1, cx.a1);
 489         }
 490     }
 491     if(flags&16) {
 492         U16 ratio = swf_GetU16(tag); //ratio
 493         if(placements) {
 494             ppos[0] += sprintf(pstr[0]+ppos[0], "| Ratio ");
 495             ppos[1] += sprintf(pstr[1]+ppos[1], "| %-5d ", ratio);
 496             ppos[2] += sprintf(pstr[2]+ppos[2], "|       ");
 497         }
 498     }
 499     if(flags&64) {
 500         U16 clip = swf_GetU16(tag); //clip
 501         if(placements) {
 502             ppos[0] += sprintf(pstr[0]+ppos[0], "| Clip  ");
 503             ppos[1] += sprintf(pstr[1]+ppos[1], "| %-5d ", clip);
 504             ppos[2] += sprintf(pstr[2]+ppos[2], "|       ");
 505         }
 506     }
 507     if(flags&32) { while(swf_GetU8(tag)); }
 508     if(placements && ppos[0]) {
 509         printf("\n");
 510         printf("%s %s\n", prefix, pstr[0]);
 511         printf("%s %s\n", prefix, pstr[1]);
 512         printf("%s %s", prefix, pstr[2]);
 513     }
 514     if(flags&128) {
 515       if (action) {
 516         U16 reserved;
 517         U32 globalflags;
 518         U32 handlerflags;
 519         char is32 = 0;
 520         printf("\n");
 521         reserved = swf_GetU16(tag); // must be 0
 522         globalflags = swf_GetU16(tag); //TODO: 32 if version>=6
 523         if(reserved) {
 524             printf("Unknown parameter field not zero: %04x\n", reserved);
 525             return;
 526         }
 527         printf("global flags: %04x\n", globalflags);
 528
 529         handlerflags = swf_GetU16(tag); //TODO: 32 if version>=6
 530         if(!handlerflags) {
 531             handlerflags = swf_GetU32(tag);
 532             is32 = 1;
 533         }
 534         while(handlerflags)  {
 535             int length;
 536             int t;
 537             ActionTAG*a;
 538
 539             globalflags &= ~handlerflags;
 540             printf("%s flags %08x ",prefix, handlerflags);
 541             printhandlerflags(handlerflags);
 542             length = swf_GetU32(tag);
 543             printf(", %d bytes actioncode\n",length);
 544             a = swf_ActionGet(tag);
 545             swf_DumpActions(a,prefix);
 546             swf_ActionFree(a);
 547
 548             handlerflags = is32?swf_GetU32(tag):swf_GetU16(tag); //TODO: 32 if version>=6
 549         }
 550         if(globalflags) // should go to sterr.
 551             printf("ERROR: unsatisfied handlerflags: %02x\n", globalflags);
 552     } else {
 553       printf(" has action code\n");
 554     }
 555     } else printf("\n");
 556 }
 557
 558 void handlePlaceObject(TAG*tag, char*prefix)
 559 {
 560     TAG*tag2 = swf_InsertTag(0, ST_PLACEOBJECT2);
 561
 562     U16 id = swf_GetU16(tag);
 563     U16 depth = swf_GetU16(tag);
 564     MATRIX matrix; swf_GetMatrix(tag, &matrix);
 565     CXFORM cxform; swf_GetCXForm(tag, &cxform, 0);
 566
 567     swf_SetU8(tag2, 14);
 568     swf_SetU16(tag2, depth);
 569     swf_SetMatrix(tag2, &matrix);
 570     swf_SetCXForm(tag2, &cxform, 1);
 571
 572     handlePlaceObject2(tag2, prefix);
 573 }
 574 char stylebuf[256];
 575 char* fillstyle2str(FILLSTYLE*style)
 576 {
 577     switch(style->type) {
 578         case 0x00:
 579             sprintf(stylebuf, "SOLID %02x%02x%02x%02x", style->color.r, style->color.g, style->color.b, style->color.a);
 580             break;
 581         case 0x10: case 0x12:
 582             sprintf(stylebuf, "GRADIENT (%d steps)", style->gradient.num);
 583             break;
 584         case 0x40: case 0x41:
 585             /* TODO: display information about that bitmap */
 586             sprintf(stylebuf, "BITMAP %d", style->id_bitmap);
 587             break;
 588         default:
 589             sprintf(stylebuf, "UNKNOWN[%02x]",style->type);
 590     }
 591     return stylebuf;
 592 }
 593 char* linestyle2str(LINESTYLE*style)
 594 {
 595     sprintf(stylebuf, "%.2f %02x%02x%02x%02x", style->width/20.0, style->color.r, style->color.g, style->color.b, style->color.a);
 596     return stylebuf;
 597 }
 598
 599 void handleShape(TAG*tag, char*prefix)
 600 {
 601     SHAPE2 shape;
 602     tag->pos = 0;
 603     tag->readBit = 0;
 604     swf_ParseDefineShape(tag, &shape);
 605     SHAPELINE*line;
 606
 607     int t;
 608     int max = shape.numlinestyles > shape.numfillstyles?shape.numlinestyles:shape.numfillstyles;
 609
 610     if(max) printf("%s | fillstyles(%02d)        linestyles(%02d)\n",
 611             prefix,
 612             shape.numfillstyles,
 613             shape.numlinestyles
 614             );
 615     else    printf("%s | (Neither line nor fill styles)\n", prefix);
 616
 617     for(t=0;t<max;t++) {
 618         printf("%s", prefix);
 619         if(t < shape.numfillstyles) {
 620             printf(" | %-2d) %-18.18s", t+1, fillstyle2str(&shape.fillstyles[t]));
 621         } else {
 622             printf("                    ");
 623         }
 624         if(t < shape.numlinestyles) {
 625             printf("%-2d) %s", t+1, linestyle2str(&shape.linestyles[t]));
 626         }
 627         printf("\n");
 628     }
 629
 630     printf("%s |\n", prefix);
 631
 632     line = shape.lines;
 633     while(line) {
 634         printf("%s | fill: %02d/%02d line:%02d - ",
 635                 prefix,
 636                 line->fillstyle0,
 637                 line->fillstyle1,
 638                 line->linestyle);
 639         if(line->type == moveTo) {
 640             printf("moveTo %.2f %.2f\n", line->x/20.0, line->y/20.0);
 641         } else if(line->type == lineTo) {
 642             printf("lineTo %.2f %.2f\n", line->x/20.0, line->y/20.0);
 643         } else if(line->type == splineTo) {
 644             printf("splineTo (%.2f %.2f) %.2f %.2f\n",
 645                     line->sx/20.0, line->sy/20.0,
 646                     line->x/20.0, line->y/20.0
 647                     );
 648         }
 649         line = line->next;
 650     }
 651     printf("%s |\n", prefix);
 652 }
 653
 654 void fontcallback1(U16 id,U8 * name)
 655 { fontnum++;
 656 }
 657
 658 void fontcallback2(U16 id,U8 * name)
 659 {
 660   swf_FontExtract(&swf,id,&fonts[fontnum]);
 661   fontnum++;
 662 }
 663
 664 static U8 printable(U8 a)
 665 {
 666     if(a<32 || a==127) return '.';
 667     else return a;
 668 }
 669 void hexdumpTag(TAG*tag, char* prefix)
 670 {
 671     int t;
 672     char ascii[32];
 673     printf("                %s-=> ",prefix);
 674     for(t=0;t<tag->len;t++) {
 675         printf("%02x ", tag->data[t]);
 676         ascii[t&15] = printable(tag->data[t]);
 677         if((t && ((t&15)==15)) || (t==tag->len-1))
 678         {
 679             int s,p=((t-1)&15)+1;
 680             ascii[p] = 0;
 681             for(s=p;s<16;s++) {
 682                 printf("   ");
 683             }
 684             if(t==tag->len-1)
 685                 printf(" %s\n", ascii);
 686             else
 687                 printf(" %s\n                %s-=> ",ascii,prefix);
 688         }
 689     }
 690 }
 691
 692 void handleExportAssets(TAG*tag, char* prefix)
 693 {
 694     int num;
 695     U16 id;
 696     char* name;
 697     int t;
 698     num = swf_GetU16(tag);
 699     for(t=0;t<num;t++)
 700     {
 701         id = swf_GetU16(tag);
 702         name = swf_GetString(tag);
 703         printf("%sexports %04d as \"%s\"\n", prefix, id, name);
 704     }
 705 }
 706
 707 void dumperror(const char* format, ...)
 708 {
 709     char buf[1024];
 710     va_list arglist;
 711
 712     va_start(arglist, format);
 713     vsprintf(buf, format, arglist);
 714     va_end(arglist);
 715
 716     if(!html && !xy)
 717         printf("==== Error: %s ====\n", buf);
 718 }
 719
 720 static char strbuf[800];
 721 static int bufpos=0;
 722
 723 char* timestring(double f)
 724 {
 725     int hours   = (int)(f/3600);
 726     int minutes = (int)((f-hours*3600)/60);
 727     int seconds = (int)((f-hours*3600-minutes*60));
 728     int useconds = (int)((f-(int)f)*1000+0.5);
 729     bufpos+=100;
 730     bufpos%=800;
 731     sprintf(&strbuf[bufpos], "%02d:%02d:%02d,%03d",hours,minutes,seconds,useconds);
 732     return &strbuf[bufpos];
 733 }
 734
 735 int main (int argc,char ** argv)
 736 {
 737     TAG*tag;
 738 #ifdef HAVE_STAT
 739     struct stat statbuf;
 740 #endif
 741     int f;
 742     int xsize,ysize;
 743     char issprite = 0; // are we inside a sprite definition?
 744     int spriteframe = 0;
 745     int mainframe=0;
 746     char* spriteframelabel = 0;
 747     char* framelabel = 0;
 748     char prefix[128];
 749     int filesize = 0;
 750     prefix[0] = 0;
 751     memset(idtab,0,65536);
 752
 753     processargs(argc, argv);
 754
 755     if(!filename)
 756     {
 757         fprintf(stderr, "You must supply a filename.\n");
 758         return 1;
 759     }
 760
 761     f = open(filename,O_RDONLY|O_BINARY);
 762
 763     if (f<0)
 764     {
 765         char buffer[256];
 766         sprintf(buffer, "Couldn't open %s", filename);
 767         perror(buffer);
 768         exit(1);
 769     }
 770     if FAILED(swf_ReadSWF(f,&swf))
 771     {
 772         fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
 773         close(f);
 774         exit(1);
 775     }
 776
 777 #ifdef HAVE_STAT
 778     fstat(f, &statbuf);
 779     if(statbuf.st_size != swf.fileSize && !swf.compressed)
 780         dumperror("Real Filesize (%d) doesn't match header Filesize (%d)",
 781                 statbuf.st_size, swf.fileSize);
 782     filesize = statbuf.st_size;
 783 #endif
 784
 785     close(f);
 786
 787     xsize = (swf.movieSize.xmax-swf.movieSize.xmin)/20;
 788     ysize = (swf.movieSize.ymax-swf.movieSize.ymin)/20;
 789     if(xy)
 790     {
 791         if(xy&1)
 792         printf("-X %d", xsize);
 793
 794         if((xy&1) && (xy&6))
 795         printf(" ");
 796
 797         if(xy&2)
 798         printf("-Y %d", ysize);
 799
 800         if((xy&3) && (xy&4))
 801         printf(" ");
 802
 803         if(xy&4)
 804         printf("-r %.2f", swf.frameRate/256.0);
 805
 806         if((xy&7) && (xy&8))
 807         printf(" ");
 808
 809         if(xy&8)
 810         printf("-f %d", swf.frameCount);
 811
 812         printf("\n");
 813         return 0;
 814     }
 815     if(html)
 816     {
 817         char*fileversions[] = {"","1,0,0,0", "2,0,0,0","3,0,0,0","4,0,0,0",
 818                                "5,0,0,0","6,0,23,0","7,0,0,0","8,0,0,0","9,0,0,0"};
 819         if(swf.fileVersion>9) {
 820             fprintf(stderr, "Fileversion>9\n");
 821             exit(1);
 822         }
 823         printf("<OBJECT CLASSID=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\"\n"
 824                " WIDTH=\"%d\"\n"
 825                //" BGCOLOR=#ffffffff\n"?
 826                " HEIGHT=\"%d\"\n"
 827                //http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,23,0?
 828                " CODEBASE=\"http://active.macromedia.com/flash5/cabs/swflash.cab#version=%s\">\n"
 829                "  <PARAM NAME=\"MOVIE\" VALUE=\"%s\">\n"
 830                "  <PARAM NAME=\"PLAY\" VALUE=\"true\">\n"
 831                "  <PARAM NAME=\"LOOP\" VALUE=\"true\">\n"
 832                "  <PARAM NAME=\"QUALITY\" VALUE=\"high\">\n"
 833                "  <EMBED SRC=\"%s\" WIDTH=\"%d\" HEIGHT=\"%d\"\n" //bgcolor=#ffffff?
 834                "   PLAY=\"true\" ALIGN=\"\" LOOP=\"true\" QUALITY=\"high\"\n"
 835                "   TYPE=\"application/x-shockwave-flash\"\n"
 836                "   PLUGINSPAGE=\"http://www.macromedia.com/go/getflashplayer\">\n"
 837                "  </EMBED>\n"
 838                "</OBJECT>\n", xsize, ysize, fileversions[swf.fileVersion],
 839                               filename, filename, xsize, ysize);
 840         return 0;
 841     }
 842     printf("[HEADER]        File version: %d\n", swf.fileVersion);
 843     if(swf.compressed) {
 844         printf("[HEADER]        File is zlib compressed.");
 845         if(filesize && swf.fileSize)
 846             printf(" Ratio: %02d%%\n", filesize*100/(swf.fileSize));
 847         else
 848             printf("\n");
 849     }
 850     printf("[HEADER]        File size: %ld%s\n", swf.fileSize, swf.compressed?" (Depacked)":"");
 851     printf("[HEADER]        Frame rate: %f\n",swf.frameRate/256.0);
 852     printf("[HEADER]        Frame count: %d\n",swf.frameCount);
 853     printf("[HEADER]        Movie width: %.2f",(swf.movieSize.xmax-swf.movieSize.xmin)/20.0);
 854     if(swf.movieSize.xmin)
 855         printf(" (left offset: %.2f)\n", swf.movieSize.xmin/20.0);
 856     else
 857         printf("\n");
 858     printf("[HEADER]        Movie height: %.2f",(swf.movieSize.ymax-swf.movieSize.ymin)/20.0);
 859     if(swf.movieSize.ymin)
 860         printf(" (top offset: %.2f)\n", swf.movieSize.ymin/20.0);
 861     else
 862         printf("\n");
 863
 864     tag = swf.firstTag;
 865
 866     if(showtext) {
 867         fontnum = 0;
 868         swf_FontEnumerate(&swf,&fontcallback1);
 869         fonts = (SWFFONT**)malloc(fontnum*sizeof(SWFFONT*));
 870         fontnum = 0;
 871         swf_FontEnumerate(&swf,&fontcallback2);
 872     }
 873
 874     while(tag) {
 875         char*name = swf_TagGetName(tag);
 876         char myprefix[128];
 877         if(!name) {
 878             dumperror("Unknown tag:0x%03x", tag->id);
 879             //tag = tag->next;
 880             //continue;
 881         }
 882         if(swf_TagGetName(tag)) {
 883             printf("[%03x] %9ld %s%s", tag->id, tag->len, prefix, swf_TagGetName(tag));
 884         } else {
 885             printf("[%03x] %9ld %sUNKNOWN TAG %03x", tag->id, tag->len, prefix, tag->id);
 886         }
 887
 888         if(tag->id == ST_FREECHARACTER) {
 889             U16 id = swf_GetU16(tag);
 890             idtab[id] = 0;
 891         }
 892
 893         if(swf_isDefiningTag(tag)) {
 894             U16 id = swf_GetDefineID(tag);
 895             printf(" defines id %04d", id);
 896             if(idtab[id])
 897                 dumperror("Id %04d is defined more than once.", id);
 898             idtab[id] = 1;
 899         }
 900         else if(swf_isPseudoDefiningTag(tag)) {
 901             U16 id = swf_GetDefineID(tag);
 902             printf(" adds information to id %04d", id);
 903             if(!idtab[id])
 904                 dumperror("Id %04d is not yet defined.\n", id);
 905         }
 906         else if(tag->id == ST_PLACEOBJECT) {
 907             printf(" places id %04d at depth %04x", swf_GetPlaceID(tag), swf_GetDepth(tag));
 908             if(swf_GetName(tag))
 909                 printf(" name \"%s\"",swf_GetName(tag));
 910         }
 911         else if(tag->id == ST_PLACEOBJECT2) {
 912             if(tag->data[0]&1)
 913                 printf(" moves");
 914             else
 915                 printf(" places");
 916
 917             if(tag->data[0]&2)
 918                 printf(" id %04d",swf_GetPlaceID(tag));
 919             else
 920                 printf(" object");
 921
 922             printf(" at depth %04d", swf_GetDepth(tag));
 923             if(swf_GetName(tag))
 924                 printf(" name \"%s\"",swf_GetName(tag));
 925         }
 926         else if(tag->id == ST_REMOVEOBJECT) {
 927             printf(" removes id %04d from depth %04d", swf_GetPlaceID(tag), swf_GetDepth(tag));
 928         }
 929         else if(tag->id == ST_REMOVEOBJECT2) {
 930             printf(" removes object from depth %04d", swf_GetDepth(tag));
 931         }
 932         else if(tag->id == ST_FREECHARACTER) {
 933             printf(" frees object %04d", swf_GetPlaceID(tag));
 934         }
 935         else if(tag->id == ST_STARTSOUND) {
 936             U8 flags;
 937             U16 id;
 938             id = swf_GetU16(tag);
 939             flags = swf_GetU8(tag);
 940             if(flags & 32)
 941                 printf(" stops sound with id %04d", id);
 942             else
 943                 printf(" starts sound with id %04d", id);
 944             if(flags & 16)
 945                 printf(" (if not already playing)");
 946             if(flags & 1)
 947                 swf_GetU32(tag);
 948             if(flags & 2)
 949                 swf_GetU32(tag);
 950             if(flags & 4) {
 951                 printf(" looping %d times", swf_GetU16(tag));
 952             }
 953         }
 954         else if(tag->id == ST_FRAMELABEL) {
 955             int l = strlen(tag->data);
 956             printf(" \"%s\"", tag->data);
 957             if(l < tag->len-1) {
 958                 printf(" has %d extra bytes", tag->len-1-l);
 959                 if(tag ->len-1-l == 1 && tag->data[tag->len-1] == 1)
 960                     printf(" (ANCHOR)");
 961             }
 962             if((framelabel && !issprite) ||
 963                (spriteframelabel && issprite)) {
 964                 dumperror("Frame %d has more than one label",
 965                         issprite?spriteframe:mainframe);
 966             }
 967             if(issprite) spriteframelabel = tag->data;
 968             else framelabel = tag->data;
 969         }
 970         else if(tag->id == ST_SHOWFRAME) {
 971             char*label = issprite?spriteframelabel:framelabel;
 972             int frame = issprite?spriteframe:mainframe;
 973             int nframe = frame;
 974             if(!label) {
 975                 while(tag->next && tag->next->id == ST_SHOWFRAME && tag->next->len == 0) {
 976                     tag = tag->next;
 977                     if(issprite) spriteframe++;
 978                     else mainframe++;
 979                     nframe++;
 980                 }
 981             }
 982             if(nframe == frame)
 983                 printf(" %d (%s)", frame, timestring(frame*(256.0/(swf.frameRate+0.1))));
 984             else
 985                 printf(" %d-%d (%s-%s)", frame, nframe,
 986                         timestring(frame*(256.0/(swf.frameRate+0.1))),
 987                         timestring(nframe*(256.0/(swf.frameRate+0.1)))
 988                         );
 989             if(label)
 990                 printf(" (label \"%s\")", label);
 991             if(issprite) {spriteframe++; spriteframelabel = 0;}
 992             if(!issprite) {mainframe++; framelabel = 0;}
 993         }
 994
 995         if(tag->id == ST_SETBACKGROUNDCOLOR) {
 996             U8 r = swf_GetU8(tag);
 997             U8 g = swf_GetU8(tag);
 998             U8 b = swf_GetU8(tag);
 999             printf(" (%02x/%02x/%02x)\n",r,g,b);
1000         }
1001         else if(tag->id == ST_PROTECT) {
1002             if(tag->len>0) {
1003                 printf(" %s\n", swf_GetString(tag));
1004             } else {
1005                 printf("\n");
1006             }
1007         }
1008         else if(tag->id == ST_DEFINEBITSLOSSLESS ||
1009            tag->id == ST_DEFINEBITSLOSSLESS2) {
1010             handleDefineBits(tag);
1011             printf("\n");
1012         }
1013         else if(tag->id == ST_DEFINESOUND) {
1014             handleDefineSound(tag);
1015             printf("\n");
1016         }
1017         else if(tag->id == ST_VIDEOFRAME) {
1018             handleVideoFrame(tag, myprefix);
1019             printf("\n");
1020         }
1021         else if(tag->id == ST_DEFINEVIDEOSTREAM) {
1022             handleVideoStream(tag, myprefix);
1023             printf("\n");
1024         }
1025         else if(tag->id == ST_DEFINEEDITTEXT) {
1026             handleEditText(tag);
1027             printf("\n");
1028         }
1029         else if(tag->id == ST_DEFINEMOVIE) {
1030             U16 id = swf_GetU16(tag);
1031             char*s = swf_GetString(tag);
1032             printf(" URL: %s\n", s);
1033         }
1034         else if(tag->id == ST_DEFINETEXT || tag->id == ST_DEFINETEXT2) {
1035             if(showtext)
1036                 handleText(tag);
1037             else
1038                 printf("\n");
1039         }
1040         else if(tag->id == ST_PLACEOBJECT2) {
1041         }
1042         else if(tag->id == ST_NAMECHARACTER) {
1043             swf_GetU16(tag);
1044             printf(" \"%s\"\n", swf_GetString(tag));
1045         }
1046         else {
1047             printf("\n");
1048         }
1049
1050         sprintf(myprefix, "                %s", prefix);
1051
1052         if(tag->id == ST_DEFINESPRITE) {
1053             sprintf(prefix, "         ");
1054             if(issprite) {
1055                 dumperror("Sprite definition inside a sprite definition");
1056             }
1057             issprite = 1;
1058             spriteframe = 0;
1059             spriteframelabel = 0;
1060         }
1061         else if(tag->id == ST_END) {
1062             *prefix = 0;
1063             issprite = 0;
1064             spriteframelabel = 0;
1065             if(tag->len)
1066                 dumperror("End Tag not empty");
1067         }
1068         else if(tag->id == ST_EXPORTASSETS) {
1069             handleExportAssets(tag, myprefix);
1070         }
1071         else if(tag->id == ST_DOACTION && action) {
1072             ActionTAG*actions;
1073             actions = swf_ActionGet(tag);
1074             swf_DumpActions(actions, myprefix);
1075         }
1076         else if(tag->id == ST_DEFINEBUTTON && action) {
1077             dumpButtonActions(tag, myprefix);
1078         }
1079         else if(tag->id == ST_DEFINEBUTTON2 && action) {
1080             dumpButton2Actions(tag, myprefix);
1081         }
1082         else if(tag->id == ST_PLACEOBJECT) {
1083             handlePlaceObject(tag, myprefix);
1084         }
1085         else if(tag->id == ST_PLACEOBJECT2) {
1086             handlePlaceObject2(tag, myprefix);
1087         }
1088         else if(tag->id == ST_DEFINESHAPE ||
1089                 tag->id == ST_DEFINESHAPE2 ||
1090                 tag->id == ST_DEFINESHAPE3) {
1091             if(showshapes)
1092                 handleShape(tag, myprefix);
1093         }
1094
1095         if(tag->len && used) {
1096             int num = swf_GetNumUsedIDs(tag);
1097             int* used;
1098             int t;
1099             if(num) {
1100                 used = (int*)malloc(sizeof(int)*num);
1101                 swf_GetUsedIDs(tag, used);
1102                 printf("%s%suses IDs: ", indent, prefix);
1103                 for(t=0;t<num;t++) {
1104                     int id;
1105                     swf_SetTagPos(tag, used[t]);
1106                     id = swf_GetU16(tag);
1107                     printf("%d%s", id, t<num-1?", ":"");
1108                     if(!idtab[id]) {
1109                         dumperror("Id %04d is not yet defined.\n", id);
1110                     }
1111                 }
1112                 printf("\n");
1113             }
1114         }
1115
1116         if(tag->len && hex) {
1117             hexdumpTag(tag, prefix);
1118         }
1119         tag = tag->next;
1120         fflush(stdout);
1121     }
1122
1123     swf_FreeTags(&swf);
1124     return 0;
1125 }
1126
1127