src/swfcombine.c

   1 /* swfcombine.c
   2    main routine for swfcombine(1), a tool for merging .swf-files.
   3
   4    Part of the swftools package.
   5
   6    Copyright (c) 2001,2002,2003 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 <stdlib.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include "../lib/rfxswf.h"
  26 #include "../lib/args.h"
  27 #include "../lib/log.h"
  28 #include "../config.h"
  29
  30 struct config_t
  31 {
  32    char overlay;
  33    char alloctest;
  34    char clip;
  35    char stack;
  36    char stack1;
  37    char antistream;
  38    char dummy;
  39    char zlib;
  40    char cat;
  41    char merge;
  42    char isframe;
  43    int loglevel;
  44    int sizex;
  45    char hassizex;
  46    int sizey;
  47    char hassizey;
  48    int framerate;
  49    int movex;
  50    int movey;
  51    float scalex;
  52    float scaley;
  53    int mastermovex;
  54    int mastermovey;
  55    float masterscalex;
  56    float masterscaley;
  57 };
  58 struct config_t config;
  59
  60 char * master_filename = 0;
  61 char * master_name = 0;
  62 char * slave_filename[128];
  63 char * slave_name[128];
  64 int slave_movex[128];
  65 int slave_movey[128];
  66 float slave_scalex[128];
  67 float slave_scaley[128];
  68 char slave_isframe[128];
  69 int numslaves = 0;
  70
  71 char * outputname = "output.swf";
  72
  73 int args_callback_option(char*name,char*val) {
  74     if(!strcmp(name,"c"))
  75     {
  76         config.clip = 1;
  77         return 0;
  78     }
  79     else if(!strcmp(name,"l"))
  80     {
  81         config.overlay = 1;
  82         return 0;
  83     }
  84     else if (!strcmp(name, "o"))
  85     {
  86         outputname = val;
  87         return 1;
  88     }
  89     else if (!strcmp(name, "v"))
  90     {
  91         config.loglevel ++;
  92         return 0;
  93     }
  94     else if (!strcmp(name, "a"))
  95     {
  96         config.cat = 1;
  97         return 0;
  98     }
  99     else if (!strcmp(name, "A"))
 100     {
 101         config.alloctest = 1;
 102         return 0;
 103     }
 104     else if (!strcmp(name, "x"))
 105     {
 106         float x = atof(val);
 107         config.movex = (int)(x*20+0.5);
 108         return 1;
 109     }
 110     else if (!strcmp(name, "y"))
 111     {
 112         float y = atof(val);
 113         config.movey = (int)(y*20+0.5);
 114         return 1;
 115     }
 116     else if (!strcmp(name, "m"))
 117     {
 118         config.merge = 1;
 119         return 0;
 120     }
 121     else if (!strcmp(name, "f"))
 122     {
 123         config.isframe = 1;
 124         return 0;
 125     }
 126     else if (!strcmp(name, "d"))
 127     {
 128         config.dummy = 1;
 129         return 0;
 130     }
 131     else if (!strcmp(name, "z"))
 132     {
 133         config.zlib = 1;
 134         return 0;
 135     }
 136     else if (!strcmp(name, "r"))
 137     {
 138
 139         float rate = atof(val);
 140         if ((rate < 1.0/256) ||(rate >= 256.0)) {
 141             fprintf(stderr, "Error: You must specify a valid framerate between 1/256 and 255.\n");
 142             exit(1);
 143         }
 144         config.framerate = (int)(rate*256);
 145         return 1;
 146     }
 147     else if (!strcmp(name, "X"))
 148     {
 149         config.sizex = atoi(val)*20;
 150         config.hassizex = 1;
 151         return 1;
 152     }
 153     else if (!strcmp(name, "Y"))
 154     {
 155         config.sizey = atoi(val)*20;
 156         config.hassizey = 1;
 157         return 1;
 158     }
 159     else if (!strcmp(name, "s"))
 160     {
 161         config.scalex = config.scaley = atoi(val)/100.0;
 162         return 1;
 163     }
 164     else if (!strcmp(name, "t") || !strcmp(name, "T"))
 165     {
 166         if(master_filename) {
 167             fprintf(stderr, "error with arguments. Try --help.\n");
 168             exit(1);
 169         }
 170         config.stack = 1;
 171         if(!strcmp(name,"T"))
 172             config.stack1 = 1;
 173         master_filename = "__none__";
 174         return 0;
 175     }
 176     else if (!strcmp(name, "V"))
 177     {
 178         printf("swfcombine - part of %s %s\n", PACKAGE, VERSION);
 179         exit(0);
 180     }
 181     else
 182     {
 183         fprintf(stderr, "Unknown option: -%s\n", name);
 184         exit(1);
 185     }
 186 }
 187
 188 static struct options_t options[] = {
 189 {"o", "output"},
 190 {"t", "stack"},
 191 {"T", "stack1"},
 192 {"m", "merge"},
 193 {"a", "cat"},
 194 {"l", "overlay"},
 195 {"c", "clip"},
 196 {"v", "verbose"},
 197 {"d", "dummy"},
 198 {"f", "frame"},
 199 {"x", "movex"},
 200 {"y", "movey"},
 201 {"s", "scale"},
 202 {"r", "rate"},
 203 {"X", "width"},
 204 {"Y", "height"},
 205 {"z", "zlib"},
 206 {0,0}
 207 };
 208
 209 int args_callback_longoption(char*name,char*val) {
 210     return args_long2shortoption(options, name, val);
 211 }
 212
 213 int args_callback_command(char*name, char*val) {
 214     char*myname = strdup(name);
 215     char*filename;
 216     filename = strchr(myname, '=');
 217     if(filename) {
 218         *filename = 0;
 219         filename++;
 220     } else {
 221         // argument has no explicit name field. guess one from the file name
 222         char*path = strrchr(myname, '/');
 223         char*ext = strrchr(myname, '.');
 224         if(!path) path = myname;
 225         else path ++;
 226         if(ext) *ext = 0;
 227         myname = path;
 228         filename = name;
 229     }
 230
 231     if(!master_filename) {
 232         master_filename = filename;
 233         master_name = myname;
 234         config.mastermovex = config.movex;
 235         config.mastermovey = config.movey;
 236         config.masterscalex = config.scalex;
 237         config.masterscaley = config.scaley;
 238         config.movex = config.movey = 0;
 239         config.scalex = config.scaley = 1.0;
 240     } else {
 241         msg("<verbose> slave entity %s (named \"%s\")\n", filename, myname);
 242
 243         slave_filename[numslaves] = filename;
 244         slave_name[numslaves] = myname;
 245         slave_movex[numslaves] = config.movex;
 246         slave_movey[numslaves] = config.movey;
 247         slave_scalex[numslaves] = config.scalex;
 248         slave_scaley[numslaves] = config.scaley;
 249         slave_isframe[numslaves] = config.isframe;
 250         config.isframe = 0;
 251         config.movex = config.movey = 0;
 252         config.scalex = config.scaley = 1.0;
 253         numslaves ++;
 254     }
 255     return 0;
 256 }
 257
 258 void args_callback_usage(char *name)
 259 {
 260     printf("\n");
 261     printf("Usage: %s [-rXYomlcv] [-f] masterfile [-xysf] [(name1|#id1)=]slavefile1 .. [-xysf] [(nameN|#idN)=]slavefileN\n", name);
 262     printf("OR:    %s [-rXYomv] --stack[1] [-xysf] [(name1|#id1)=]slavefile1 .. [-xysf] [(nameN|#idN)=]slavefileN\n", name);
 263     printf("OR:    %s [-rXYov] --cat [-xysf] [(name1|#id1)=]slavefile1 .. [-xysf] [(nameN|#idN)=]slavefileN\n", name);
 264     printf("OR:    %s [-rXYomlcv] --dummy [-xys] [file]\n", name);
 265     printf("\n");
 266     printf("-o , --output <outputfile>      explicitly specify output file. (otherwise, output.swf will be used)\n");
 267     printf("-t , --stack                   place each slave in a seperate frame (no master movie)\n");
 268     printf("-T , --stack1                  place each slave in the first frame (no master movie)\n");
 269     printf("-m , --merge                   Don't store the slaves in Sprites/MovieClips\n");
 270     printf("-a , --cat                     concatenate all slave files (no master movie)\n");
 271     printf("-l , --overlay                 Don't remove any master objects, only overlay new objects\n");
 272     printf("-c , --clip                    Clip the slave objects by the corresponding master objects\n");
 273     printf("-v , --verbose                 Be verbose. Use more than one -v for greater effect \n");
 274     printf("-d , --dummy                   Don't require slave objects (for changing movie attributes)\n");
 275     printf("-f , --frame                   The following identifier is a frame or framelabel, not an id or objectname\n");
 276     printf("-x , --movex <xpos>            x Adjust position of slave by <xpos> pixels\n");
 277     printf("-y , --movey <ypos>            y Adjust position of slave by <ypos> pixels\n");
 278     printf("-s , --scale <scale>           Adjust size of slave by <scale> percent (e.g. 100% = original size)\n");
 279     printf("-r , --rate <fps>              Set movie framerate to <fps> (frames/sec)\n");
 280     printf("-X , --width <width>           Force movie bbox width to <width> (default: use master width (not with -t))\n");
 281     printf("-Y , --height <height>          Force movie bbox height to <height> (default: use master height (not with -t))\n");
 282     printf("-z , --zlib <zlib>             Enable Flash 6 (MX) Zlib Compression\n");
 283     printf("\n");
 284 }
 285
 286 static void makestackmaster(SWF*swf)
 287 {
 288     TAG*tag;
 289     int t;
 290     SRECT box;
 291     int fileversion = 1;
 292     int frameRate = 256;
 293     RGBA rgb;
 294     rgb.r=rgb.b=rgb.g=0;
 295     memset(&box, 0, sizeof(box));
 296
 297     /* scan all slaves for bounding box */
 298     for(t=numslaves-1;t>=0;t--)
 299     {
 300         SWF head;
 301         int ret;
 302         int fi=open(slave_filename[t],O_RDONLY|O_BINARY);
 303         TAG*tag;
 304         if(fi<0 || swf_ReadSWF(fi, &head)<0) {
 305             msg("<fatal> Couldn't open/read %s.", slave_filename[t]);
 306             exit(1);
 307         }
 308         close(fi);
 309         msg("<verbose> File %s has bounding box %d:%d:%d:%d\n",
 310                 slave_filename[t],
 311                 head.movieSize.xmin, head.movieSize.ymin,
 312                 head.movieSize.xmax, head.movieSize.ymax);
 313
 314         tag = head.firstTag;
 315         while(tag) {
 316             if(tag->id == ST_SETBACKGROUNDCOLOR && tag->len>=3) {
 317                 rgb.r = tag->data[0];
 318                 rgb.g = tag->data[1];
 319                 rgb.b = tag->data[2];
 320             }
 321             tag=tag->next;
 322         }
 323         frameRate = head.frameRate;
 324         if(head.fileVersion > fileversion)
 325             fileversion = head.fileVersion;
 326         if(!t)
 327             box = head.movieSize;
 328         else {
 329             if(head.movieSize.xmin < box.xmin)
 330                 box.xmin = head.movieSize.xmin;
 331             if(head.movieSize.ymin < box.ymin)
 332                 box.ymin = head.movieSize.ymin;
 333             if(head.movieSize.xmax > box.xmax)
 334                 box.xmax = head.movieSize.xmax;
 335             if(head.movieSize.ymax > box.ymax)
 336                 box.ymax = head.movieSize.ymax;
 337         }
 338         msg("<verbose> New master bounding box is %d:%d:%d:%d\n",
 339                 box.xmin, box.ymin,
 340                 box.xmax, box.ymax);
 341         swf_FreeTags(&head);
 342     }
 343
 344     memset(swf, 0, sizeof(SWF));
 345     swf->fileVersion = fileversion;
 346     swf->movieSize = box;
 347     swf->frameRate = frameRate;
 348
 349     swf->firstTag = swf_InsertTag(0, ST_SETBACKGROUNDCOLOR);
 350     tag = swf->firstTag;
 351     swf_SetRGB(tag, &rgb);
 352
 353     for(t=0;t<numslaves;t++)
 354     {
 355         char buf[128];
 356         sprintf(buf, "Frame%02d", t);
 357         slave_name[t] = strdup(buf);
 358
 359         tag = swf_InsertTag(tag, ST_DEFINESPRITE);
 360         swf_SetU16(tag, t+1);
 361         swf_SetU16(tag, 0);
 362         tag = swf_InsertTag(tag, ST_END);
 363         tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
 364         swf_ObjectPlace(tag, t+1, 1+t,0,0, slave_name[t]);
 365
 366         if(!config.stack1 || t == numslaves-1) {
 367             tag = swf_InsertTag(tag, ST_SHOWFRAME);
 368         }
 369         if(!config.stack)
 370         if(t!=numslaves-1)
 371         {
 372             tag = swf_InsertTag(tag, ST_REMOVEOBJECT2);
 373             swf_SetU16(tag, 1+t);
 374         }
 375     }
 376     tag = swf_InsertTag(tag, ST_END);
 377     msg("<verbose> temporary SWF created");
 378 }
 379
 380 static char* slavename = 0;
 381 static int slaveid = -1;
 382 static int slaveframe = -1;
 383 static char masterbitmap[65536];
 384 static char depthbitmap[65536];
 385
 386 #define FLAGS_WRITEDEFINES 1
 387 #define FLAGS_WRITENONDEFINES 2
 388 #define FLAGS_WRITESPRITE 4
 389 #define FLAGS_WRITESLAVE 8
 390
 391 int get_free_id(char*bitmap)
 392 {
 393     int t;
 394     for(t=1;t<65536;t++)
 395         if(!bitmap[t]) {
 396             bitmap[t] = 1;
 397             return t;
 398         }
 399     return -1;
 400 }
 401
 402 void jpeg_assert(SWF*master, SWF*slave)
 403 {
 404     /* TODO: if there's a jpegtable found, store it
 405        and handle it together with the flash file
 406        headers */
 407
 408     /* check that master and slave don't have both
 409        jpegtables (which would be fatal) */
 410     int pos;
 411     TAG *mpos=0, *spos=0;
 412     TAG *mtag,*stag;
 413     pos = 0;
 414     mtag = master->firstTag;
 415     stag = slave->firstTag;
 416     while(mtag)
 417     {
 418         if(mtag->id  == ST_JPEGTABLES)
 419             mpos = mtag;
 420         mtag = mtag->next;
 421     }
 422     while(stag)
 423     {
 424         if(stag->id == ST_JPEGTABLES)
 425             spos = stag;
 426         stag = stag->next;
 427     }
 428     if(mpos && spos)
 429     {
 430         if(spos->len == mpos->len &&
 431         !memcmp(spos->data, mpos->data, mpos->len))
 432         {
 433             // ok, both have jpegtables, but they're identical.
 434             // delete one and don't throw an error
 435             swf_DeleteTag(spos);
 436             spos = 0;
 437         }
 438     }
 439     if(spos && mpos) {
 440         msg("<error> Master and slave have incompatible JPEGTABLES.");
 441     }
 442 }
 443
 444 TAG* write_sprite_defines(TAG*tag, SWF*sprite)
 445 {
 446     TAG*rtag = sprite->firstTag;
 447     while(rtag && rtag->id!=ST_END) {
 448         if(!swf_isAllowedSpriteTag(rtag)) {
 449             msg("<debug> processing sprite tag %02x", tag->id);
 450             if(swf_isDefiningTag(rtag))
 451             {
 452                 msg("<debug> [sprite defs] write tag %02x (%d bytes in body)",
 453                         tag->id, tag->len);
 454                 tag = swf_InsertTag(tag, rtag->id);
 455                 swf_SetBlock(tag, rtag->data, rtag->len);
 456             }
 457             else if(swf_isPseudoDefiningTag(rtag))
 458             {
 459                 msg("<debug> [sprite defs] write tag %02x (%d bytes in body)",
 460                         tag->id, tag->len);
 461                 tag = swf_InsertTag(tag, rtag->id);
 462                 swf_SetBlock(tag, rtag->data, rtag->len);
 463             }
 464             else {
 465                 switch(rtag->id)
 466                 {
 467                     case ST_JPEGTABLES:
 468                            /* if we get here, jpeg_assert has already run,
 469                               ensuring this is the only one of it's kind,
 470                               so we may safely write it out */
 471                            tag = swf_InsertTag(tag, rtag->id);
 472                            swf_SetBlock(tag, rtag->data, rtag->len);
 473                        break;
 474                     case ST_EXPORTASSETS:
 475                        msg("<debug> deliberately ignoring EXPORTASSETS tag");
 476                        break;
 477                     case ST_ENABLEDEBUGGER:
 478                        msg("<debug> deliberately ignoring ENABLEDEBUGGER tag");
 479                        break;
 480                     case ST_SETBACKGROUNDCOLOR:
 481                        msg("<debug> deliberately ignoring BACKGROUNDCOLOR tag");
 482                        break;
 483                     case 40:
 484                     case 49:
 485                     case 51:
 486                        msg("<notice> found tag %d. This is a Generator template, isn't it?", tag->id);
 487                        break;
 488                     default:
 489                        msg("<notice> funny tag: %d is neither defining nor sprite", tag->id);
 490                 }
 491             }
 492         }
 493         rtag = rtag->next;
 494     }
 495     return tag;
 496 }
 497
 498 void changedepth(TAG*tag, int add)
 499 {
 500     if(tag->id == ST_PLACEOBJECT)
 501         PUT16(&tag->data[2],GET16(&tag->data[2])+add);
 502     if(tag->id == ST_PLACEOBJECT2)
 503         PUT16(&tag->data[1],GET16(&tag->data[1])+add);
 504     if(tag->id == ST_REMOVEOBJECT)
 505         PUT16(&tag->data[2],GET16(&tag->data[2])+add);
 506     if(tag->id == ST_REMOVEOBJECT2)
 507         PUT16(&tag->data[0],GET16(&tag->data[0])+add);
 508     if(tag->id == ST_PLACEOBJECT2) {
 509         SWFPLACEOBJECT obj;
 510         U8 flags;
 511         swf_SetTagPos(tag, 0);
 512         flags = swf_GetU8(tag);
 513         if(flags&2) swf_GetU16(tag); //id
 514         if(flags&4) swf_GetMatrix(tag, 0);
 515         if(flags&8) swf_GetCXForm(tag, 0,1);
 516         if(flags&16) swf_GetU16(tag); //ratio
 517         if(flags&64) {
 518             swf_ResetReadBits(tag);
 519             printf("%d->%d\n", GET16(&tag->data[tag->pos]),
 520                                GET16(&tag->data[tag->pos])+add);
 521             PUT16(&tag->data[tag->pos],GET16(&tag->data[tag->pos])+add);
 522         }
 523         msg("<warning> Depth relocation not fully working yet with clipdepths", tag->id);
 524     }
 525 }
 526
 527 void matrix_adjust(MATRIX*m, int movex, int movey, float scalex, float scaley, int scalepos)
 528 {
 529     m->sx = (int)(m->sx*scalex);
 530     m->sy = (int)(m->sy*scaley);
 531     m->r1 = (int)(m->r1*scalex);
 532     m->r0 = (int)(m->r0*scaley);
 533     if(scalepos) {
 534         m->tx *= scalex;
 535         m->ty *= scaley;
 536     }
 537     m->tx += movex;
 538     m->ty += movey;
 539 }
 540
 541 void write_changepos(TAG*output, TAG*tag, int movex, int movey, float scalex, float scaley, int scalepos)
 542 {
 543     if(movex || movey || scalex != 1.0 || scaley != 1.0)
 544     {
 545         switch(tag->id)
 546         {
 547             case ST_PLACEOBJECT2: {
 548                 MATRIX m;
 549                 U8 flags;
 550                 swf_GetMatrix(0, &m);
 551                 tag->pos = 0;
 552                 tag->readBit = 0;
 553
 554                 flags = swf_GetU8(tag);
 555                 swf_SetU8(output, flags|4);
 556                 swf_SetU16(output, swf_GetU16(tag)); //depth
 557                 //flags&1: move
 558                 if(flags&2) {
 559                     swf_SetU16(output, swf_GetU16(tag)); //id
 560                 }
 561                 // flags & 4
 562                 if(flags&4) {
 563                     swf_GetMatrix(tag, &m);
 564                 } else {
 565                     swf_GetMatrix(0, &m);
 566                 }
 567                 matrix_adjust(&m, movex, movey, scalex, scaley, scalepos);
 568                 swf_SetMatrix(output, &m);
 569
 570                 if (tag->readBit)  { tag->pos++; tag->readBit = 0; } //swf_ResetReadBits(tag);
 571
 572                 swf_SetBlock(output, &tag->data[tag->pos], tag->len - tag->pos);
 573                 break;
 574             }
 575             case ST_PLACEOBJECT: {
 576                 MATRIX m;
 577                 swf_SetU16(output, swf_GetU16(tag)); //id
 578                 swf_SetU16(output, swf_GetU16(tag)); //depth
 579
 580                 swf_GetMatrix(tag, &m);
 581                 matrix_adjust(&m, movex, movey, scalex, scaley, scalepos);
 582                 swf_SetMatrix(output, &m);
 583
 584                 if (tag->readBit)  { tag->pos++; tag->readBit = 0; } //swf_ResetReadBits(tag);
 585
 586                 swf_SetBlock(output, &tag->data[tag->pos], tag->len - tag->pos);
 587                 break;
 588             }
 589             default:
 590             swf_SetBlock(output, tag->data, tag->len);
 591         }
 592     }
 593     else
 594     {
 595             swf_SetBlock(output, tag->data, tag->len);
 596     }
 597 }
 598
 599 TAG* write_sprite(TAG*tag, SWF*sprite, int spriteid, int replaceddefine)
 600 {
 601     TAG* definespritetag;
 602     TAG* rtag;
 603     int tmp;
 604
 605     definespritetag = tag = swf_InsertTag(tag, ST_DEFINESPRITE);
 606     swf_SetU16(tag, spriteid);
 607     swf_SetU16(tag, sprite->frameCount);
 608     msg ("<notice> sprite id is %d", spriteid);
 609
 610     tmp = sprite->frameCount;
 611     msg("<debug> %d frames to go",tmp);
 612
 613     if(config.clip) {
 614         tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
 615         swf_SetU8(tag, 2+64); //flags: character+clipdepth
 616         swf_SetU16(tag, 0); //depth
 617         swf_SetU16(tag, replaceddefine); //id
 618         swf_SetU16(tag, 65535); //clipdepth
 619     }
 620
 621     if(config.overlay && !config.isframe) {
 622         tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
 623         swf_SetU8(tag, 2); //flags: character
 624         swf_SetU16(tag, 1); //depth
 625         swf_SetU16(tag, replaceddefine); //id
 626     }
 627
 628     rtag = sprite->firstTag;
 629     while(rtag && rtag->id!=ST_END)
 630     {
 631         if (swf_isAllowedSpriteTag(rtag)) {
 632
 633             msg("<debug> [sprite main] write tag %02x (%d bytes in body)",
 634                     rtag->id, rtag->len);
 635             tag = swf_InsertTag(tag, rtag->id);
 636             write_changepos(tag, rtag, config.movex, config.movey, config.scalex, config.scaley, 0);
 637
 638             if(config.clip || (config.overlay && !config.isframe))
 639                 changedepth(tag, +2);
 640
 641             if(tag->id == ST_SHOWFRAME)
 642             {
 643                 tmp--;
 644                 msg("<debug> %d frames to go",tmp);
 645             }
 646         }
 647         rtag = rtag->next;
 648     }
 649     tag = swf_InsertTag(tag, ST_END);
 650     return tag;
 651 }
 652
 653 static char tag_ok_for_slave(int id)
 654 {
 655     if(id == ST_SETBACKGROUNDCOLOR)
 656         return 0;
 657     return 1;
 658 }
 659
 660 TAG* write_master(TAG*tag, SWF*master, SWF*slave, int spriteid, int replaceddefine, int flags)
 661 {
 662     int outputslave = 0;
 663     int frame = 0;
 664     int sframe = 0;
 665     int slavewritten = 0;
 666
 667     TAG* rtag = master->firstTag;
 668     TAG* stag = slave->firstTag;
 669
 670     while(rtag && rtag->id!=ST_END)
 671     {
 672         if(rtag->id == ST_SHOWFRAME && outputslave)
 673         {
 674             while(stag && stag->id!=ST_END) {
 675                 if(stag->id == ST_SHOWFRAME) {
 676                     stag = stag->next;
 677                     sframe++;
 678                     break;
 679                 }
 680                 if(tag_ok_for_slave(stag->id)) {
 681                     tag = swf_InsertTag(tag, stag->id);
 682                     swf_SetBlock(tag, stag->data, stag->len);
 683                 }
 684                 stag = stag->next;
 685             }
 686         }
 687         if(rtag->id == ST_SHOWFRAME)
 688         {
 689             frame ++;
 690         }
 691
 692         if(swf_isDefiningTag(rtag) && (flags&FLAGS_WRITEDEFINES))
 693         {
 694             msg("<debug> [master] write tag %02x (%d bytes in body)",
 695                     rtag->id, rtag->len);
 696             if(swf_GetDefineID(rtag) == spriteid && !config.isframe)
 697             {
 698                 if(config.overlay)
 699                 {
 700                     tag = swf_InsertTag(tag, rtag->id);
 701                     swf_SetBlock(tag, rtag->data, rtag->len);
 702                     swf_SetDefineID(tag, replaceddefine);
 703                 } else {
 704                     /* don't write this tag */
 705                     msg("<verbose> replacing tag %d id %d with sprite", rtag->id
 706                             ,spriteid);
 707                 }
 708
 709                 if(flags&FLAGS_WRITESPRITE)
 710                 {
 711                     tag = write_sprite_defines(tag, slave);
 712                     tag = write_sprite(tag, slave, spriteid, replaceddefine);
 713                 }
 714                 if(flags&FLAGS_WRITESLAVE)
 715                 {
 716                     outputslave = 1;
 717                 }
 718             } else {
 719                 tag = swf_InsertTag(tag, rtag->id);
 720                 swf_SetBlock(tag, rtag->data, rtag->len);
 721             }
 722         }
 723         if(frame == slaveframe)
 724         {
 725             if(flags&FLAGS_WRITESLAVE) {
 726                 outputslave = 1;
 727                 slavewritten = 1;
 728             }
 729             if((flags&FLAGS_WRITESPRITE) && !slavewritten)
 730             {
 731                 int id = get_free_id(masterbitmap);
 732                 int depth = 0;
 733                 if(config.clip) {
 734                     msg("<fatal> Can't combine --clip and --frame");
 735                 }
 736
 737                 tag = write_sprite_defines(tag, slave);
 738                 tag = write_sprite(tag, slave, id, -1);
 739
 740                 tag = swf_InsertTag(tag, ST_PLACEOBJECT2);
 741                     swf_SetU8(tag, 2); //flags: id
 742                     swf_SetU16(tag, depth);
 743                     swf_SetU16(tag, id);
 744
 745                 slavewritten = 1;
 746             }
 747         }
 748         if(!swf_isDefiningTag(rtag) && (flags&FLAGS_WRITENONDEFINES))
 749         {
 750             int dontwrite = 0;
 751             switch(rtag->id) {
 752                 case ST_PLACEOBJECT:
 753                 case ST_PLACEOBJECT2:
 754                     if(frame == slaveframe && !config.overlay)
 755                         dontwrite = 1;
 756                 case ST_REMOVEOBJECT:
 757                     /* place/removetags for the object we replaced
 758                        should be discarded, too, as the object to insert
 759                        isn't a sprite
 760                      */
 761                     if(spriteid>=0 && swf_GetPlaceID(rtag) == spriteid &&
 762                             !config.isframe && config.merge)
 763                         dontwrite = 1;
 764                 break;
 765                 case ST_REMOVEOBJECT2:
 766                 break;
 767             }
 768             if(!dontwrite) {
 769                 msg("<debug> [master] write tag %02x (%d bytes in body)",
 770                         rtag->id, rtag->len);
 771                 tag = swf_InsertTag(tag, rtag->id);
 772                 write_changepos(tag, rtag, config.mastermovex, config.mastermovey, config.masterscalex, config.masterscaley, 1);
 773             }
 774         }
 775         rtag = rtag->next;
 776     }
 777
 778     if(outputslave)
 779     while(stag && stag->id!=ST_END)
 780     {
 781             if(tag_ok_for_slave(stag->id)) {
 782                 tag = swf_InsertTag(tag, stag->id);
 783                 swf_SetBlock(tag, stag->data, stag->len);
 784             }
 785             stag = stag->next;
 786     }
 787     if(!slavewritten && config.isframe && (flags&(FLAGS_WRITESLAVE|FLAGS_WRITESPRITE)))
 788     {
 789         if(slaveframe>=0)
 790             msg("<warning> Frame %d doesn't exist in file. No substitution will occur",
 791                     slaveframe);
 792         else
 793             msg("<warning> Frame \"%s\" doesn't exist in file. No substitution will occur",
 794                     slavename);
 795     }
 796     tag = swf_InsertTag(tag, ST_END);
 797     return tag;
 798 }
 799
 800 void adjustheader(SWF*swf)
 801 {
 802     if(config.framerate)
 803         swf->frameRate = config.framerate;
 804     if(config.hassizex) {
 805         swf->movieSize.xmax =
 806         swf->movieSize.xmin + config.sizex;
 807     }
 808     if(config.hassizey) {
 809         swf->movieSize.ymax =
 810         swf->movieSize.ymin + config.sizey;
 811     }
 812 }
 813
 814 void catcombine(SWF*master, char*slave_name, SWF*slave, SWF*newswf)
 815 {
 816     char* depths;
 817     int t;
 818     TAG*tag;
 819     TAG*mtag,*stag;
 820     if(config.isframe) {
 821         msg("<fatal> Can't combine --cat and --frame");
 822         exit(1);
 823     }
 824
 825     tag = master->firstTag;
 826     while(tag)
 827     {
 828         if(swf_isDefiningTag(tag)) {
 829             int defineid = swf_GetDefineID(tag);
 830             msg("<debug> tagid %02x defines object %d", tag->id, defineid);
 831             masterbitmap[defineid] = 1;
 832         }
 833         tag = tag->next;
 834     }
 835
 836     swf_Relocate(slave, masterbitmap);
 837     jpeg_assert(master, slave);
 838
 839     memcpy(newswf, master, sizeof(SWF));
 840     adjustheader(newswf);
 841
 842     tag = newswf->firstTag = swf_InsertTag(0, ST_REFLEX); // to be removed later
 843
 844     depths = malloc(65536);
 845     if(!depths) {
 846         msg("<fatal> Couldn't allocate %d bytes of memory", 65536);
 847         return;
 848     }
 849     memset(depths, 0, 65536);
 850     mtag = master->firstTag;
 851     while(mtag && mtag->id!=ST_END)
 852     {
 853         int num=1;
 854         U16 depth;
 855         msg("<debug> [master] write tag %02x (%d bytes in body)",
 856                 mtag->id, mtag->len);
 857         switch(mtag->id) {
 858             case ST_PLACEOBJECT2:
 859                 num++;
 860             case ST_PLACEOBJECT: {
 861                depth = swf_GetDepth(mtag);
 862                depths[depth] = 1;
 863             }
 864             break;
 865             case ST_REMOVEOBJECT: {
 866                depth = swf_GetDepth(mtag);
 867                depths[depth] = 0;
 868             }
 869             break;
 870             case ST_REMOVEOBJECT2: {
 871                depth = swf_GetDepth(mtag);
 872                depths[depth] = 0;
 873             }
 874             break;
 875         }
 876         tag = swf_InsertTag(tag, mtag->id);
 877         swf_SetBlock(tag, mtag->data, mtag->len);
 878
 879         mtag = mtag->next;
 880     }
 881
 882     for(t=0;t<65536;t++)
 883     if(depths[t])
 884     {
 885         char data[16];
 886         int len;
 887         tag = swf_InsertTag(tag, ST_REMOVEOBJECT2);
 888         swf_SetU16(tag, t);
 889     }
 890     free(depths);
 891
 892     stag = slave->firstTag;
 893     while(stag && stag->id!=ST_END)
 894     {
 895         msg("<debug> [slave] write tag %02x (%d bytes in body)",
 896                 stag->id, stag->len);
 897         tag = swf_InsertTag(tag, stag->id);
 898         swf_SetBlock(tag, stag->data, stag->len);
 899         stag = stag->next;
 900     }
 901     tag = swf_InsertTag(tag, ST_END);
 902
 903     tag = newswf->firstTag;
 904     newswf->firstTag = newswf->firstTag->next; //remove temporary tag
 905     swf_DeleteTag(tag);
 906 }
 907
 908 void normalcombine(SWF*master, char*slave_name, SWF*slave, SWF*newswf)
 909 {
 910     int spriteid = -1;
 911     int replaceddefine = -1;
 912     int frame = 0;
 913     char*framelabel;
 914     TAG * tag = master->firstTag;
 915
 916     memset(depthbitmap, 0, sizeof(depthbitmap));
 917
 918     // set the idtab
 919     while(tag)
 920     {
 921         int depth = swf_GetDepth(tag);
 922         if(depth>=0) {
 923             depthbitmap[depth] = 1;
 924         }
 925         if(swf_isDefiningTag(tag)) {
 926             int defineid = swf_GetDefineID(tag);
 927             msg("<debug> tagid %02x defines object %d", tag->id, defineid);
 928             masterbitmap[defineid] = 1;
 929
 930             if (!slavename && defineid==slaveid) {
 931                 if(defineid>=0) {
 932                   spriteid = defineid;
 933                   msg("<notice> Slave file attached to object %d.", defineid);
 934                 }
 935             }
 936         } else if(tag->id == ST_PLACEOBJECT2) {
 937             char * name = swf_GetName(tag);
 938             int id = swf_GetPlaceID(tag);
 939
 940             if(name)
 941               msg("<verbose> tagid %02x places object %d named \"%s\"", tag->id, id, name);
 942             else
 943               msg("<verbose> tagid %02x places object %d (no name)", tag->id, id);
 944
 945             if (name && slavename && !strcmp(name,slavename)) {
 946                 if(id>=0) {
 947                   spriteid = id;
 948                   msg("<notice> Slave file attached to named object %s (%d).", name, id);
 949                 }
 950             }
 951         } else if(tag->id == ST_SHOWFRAME) {
 952             if(slaveframe>=0 && frame==slaveframe) {
 953                 msg("<notice> Slave file attached to frame %d.", frame);
 954             }
 955             frame++;
 956         } else if(tag->id == ST_FRAMELABEL) {
 957             char * name = tag->data;
 958             if(name && slavename && config.isframe && !strcmp(name, slavename)) {
 959                 slaveframe = frame;
 960                 msg("<notice> Slave file attached to frame %d (%s).", frame, name);
 961             }
 962         }
 963         tag = tag->next;
 964     };
 965
 966     if (spriteid<0 && !config.isframe) {
 967         if(slavename) {
 968             if(strcmp(slavename,"!!dummy!!"))
 969                 msg("<warning> Didn't find anything named %s in file. No substitutions will occur.", slavename);
 970         }
 971         else
 972             msg("<warning> Didn't find id %d in file. No substitutions will occur.", slaveid);
 973         spriteid = get_free_id(masterbitmap);
 974     }
 975
 976     swf_Relocate (slave, masterbitmap);
 977     if(config.merge)
 978         swf_RelocateDepth (slave, depthbitmap);
 979     jpeg_assert(slave, master);
 980
 981     if (config.overlay)
 982         replaceddefine = get_free_id(masterbitmap);
 983
 984     // write file
 985
 986     memcpy(newswf, master, sizeof(SWF));
 987     adjustheader(newswf);
 988
 989     newswf->firstTag = tag = swf_InsertTag(0, ST_REFLEX); // to be removed later
 990
 991     if (config.antistream) {
 992         if (config.merge) {
 993             msg("<fatal> Can't combine --antistream and --merge");
 994         }
 995         tag = write_sprite_defines(tag, slave);
 996         tag = write_sprite(tag, slave, spriteid, replaceddefine);
 997         tag = write_master(tag, master, slave, spriteid, replaceddefine, FLAGS_WRITEDEFINES);
 998         tag = write_master(tag, master, slave, spriteid, replaceddefine, FLAGS_WRITENONDEFINES);
 999     } else {
1000         if (config.merge)
1001             tag = write_master(tag, master, slave, spriteid, replaceddefine,
1002                 FLAGS_WRITEDEFINES|FLAGS_WRITENONDEFINES|   FLAGS_WRITESLAVE    );
1003         else
1004             tag = write_master(tag, master, slave, spriteid, replaceddefine,
1005                 FLAGS_WRITEDEFINES|FLAGS_WRITENONDEFINES|   FLAGS_WRITESPRITE   );
1006     }
1007
1008     tag = newswf->firstTag;
1009     newswf->firstTag = newswf->firstTag->next; //remove temporary tag
1010     swf_DeleteTag(tag);
1011 }
1012
1013 void combine(SWF*master, char*slave_name, SWF*slave, SWF*newswf)
1014 {
1015     slavename = slave_name;
1016     slaveid = -1;
1017     slaveframe = -1;
1018
1019     swf_FoldAll(master);
1020     swf_FoldAll(slave);
1021
1022     if(slavename[0] == '#')
1023     {
1024         slaveid = atoi(&slavename[1]);
1025         slavename = 0;
1026     }
1027
1028     if(config.isframe)
1029     {
1030         int tmp;
1031         if(slavename && slavename[0]!='#' && (sscanf(slavename, "%d", &tmp) ==
1032                 strlen(slavename))) {
1033         /* if the name the slave should replace
1034            consists only of digits and the -f
1035            option is given, it probably is not
1036            a frame name but a frame number.
1037          */
1038             slaveid = tmp;
1039             slavename = 0;
1040         }
1041
1042         if(slaveid>=0) {
1043             slaveframe = slaveid;
1044             slaveid = -1;
1045         } else {
1046         /* if id wasn't given as either #number or number,
1047            the name is a frame label. BTW: The user wouldn't necessarily have
1048            needed to supply the -f option in this case */
1049         }
1050     }
1051
1052     msg("<debug> move x (%d)", config.movex);
1053     msg("<debug> move y (%d)", config.movey);
1054     msg("<debug> scale x (%f)", config.scalex);
1055     msg("<debug> scale y (%f)", config.scaley);
1056     msg("<debug> master move x (%d)", config.mastermovex);
1057     msg("<debug> master move y (%d)", config.mastermovey);
1058     msg("<debug> master scale x (%f)", config.masterscalex);
1059     msg("<debug> master scale y (%f)", config.masterscaley);
1060     msg("<debug> is frame (%d)", config.isframe);
1061
1062     memset(masterbitmap, 0, sizeof(masterbitmap));
1063
1064     if(config.cat)
1065         return catcombine(master, slave_name, slave, newswf);
1066     else
1067         return normalcombine(master, slave_name, slave, newswf);
1068 }
1069
1070 int main(int argn, char *argv[])
1071 {
1072     int fi;
1073     SWF master;
1074     SWF slave;
1075     SWF newswf;
1076     int t;
1077
1078     config.overlay = 0;
1079     config.antistream = 0;
1080     config.alloctest = 0;
1081     config.cat = 0;
1082     config.merge = 0;
1083     config.clip = 0;
1084     config.loglevel = 2;
1085     config.movex = 0;
1086     config.movey = 0;
1087     config.scalex = 1.0;
1088     config.scaley = 1.0;
1089     config.sizex = 0;
1090     config.sizey = 0;
1091     config.masterscalex = 1.0;
1092     config.masterscaley = 1.0;
1093     config.mastermovex = 0;
1094     config.mastermovey = 0;
1095     config.hassizex = 0;
1096     config.hassizey = 0;
1097     config.framerate = 0;
1098     config.stack = 0;
1099     config.stack1 = 0;
1100     config.dummy = 0;
1101     config.zlib = 0;
1102
1103     processargs(argn, argv);
1104     initLog(0,-1,0,0,-1,config.loglevel);
1105
1106     if(config.merge && config.cat) {
1107         msg("<error> Can't combine --cat and --merge");
1108         exit(1);
1109     }
1110
1111     if(config.stack) {
1112         if(config.overlay) {
1113             msg("<error> Can't combine -l and -t");
1114             exit(1);
1115         }
1116         if(config.clip) {
1117             msg("<error> Can't combine -c and -t");
1118             exit(1);
1119         }
1120         msg("<verbose> (stacking) %d files found\n", numslaves);
1121
1122         makestackmaster(&master);
1123     }
1124     else {
1125         int ret;
1126         msg("<verbose> master entity %s (named \"%s\")\n", master_filename, master_name);
1127         fi = open(master_filename, O_RDONLY|O_BINARY);
1128         if(fi<0) {
1129             msg("<fatal> Failed to open %s\n", master_filename);
1130             exit(1);
1131         }
1132         ret = swf_ReadSWF(fi, &master);
1133         if(ret<0) {
1134             msg("<fatal> Failed to read from %s\n", master_filename);
1135             exit(1);
1136         }
1137         msg("<debug> Read %d bytes from masterfile\n", ret);
1138         close(fi);
1139     }
1140
1141     for(t=0;t<numslaves;t++) {
1142             msg("<verbose> slave entity(%d) %s (%s \"%s\")\n", t+1, slave_filename[t],
1143                     slave_isframe[t]?"frame":"object", slave_name[t]);
1144     }
1145
1146     if(config.dummy)
1147     {
1148         if(numslaves)
1149         {
1150             msg("<error> --dummy (-d) implies there are zero slave objects. You supplied %d.", numslaves);
1151             exit(1);
1152         }
1153         numslaves = 1;
1154         slave_filename[0] = "!!dummy!!";
1155         slave_name[0] = "!!dummy!!";
1156         slave_isframe[0] = 0;
1157     }
1158
1159     if (config.alloctest)
1160     {
1161         char*bitmap = malloc(sizeof(char)*65536);
1162         memset(bitmap, 0, 65536*sizeof(char));
1163         memset(bitmap, 1, 101*sizeof(char));
1164         swf_Relocate(&master, bitmap);
1165         newswf = master;
1166         free(bitmap);
1167 //      makestackmaster(&newswf);
1168     }
1169     else
1170     {
1171         if (!numslaves)
1172         {
1173             if(config.cat)
1174                 msg("<error> You must have at least two objects.");
1175             else
1176                 msg("<error> You must have at least one slave entity.");
1177             return 0;
1178         }
1179         for(t = 0; t < numslaves; t++)
1180         {
1181             config.movex = slave_movex[t];
1182             config.movey = slave_movey[t];
1183             config.scalex = slave_scalex[t];
1184             config.scaley = slave_scaley[t];
1185             config.isframe = slave_isframe[t];
1186
1187             msg("<notice> Combine [%s]%s and [%s]%s", master_name, master_filename,
1188                     slave_name[t], slave_filename[t]);
1189             if(!config.dummy)
1190             {
1191                 int ret;
1192                 fi = open(slave_filename[t], O_RDONLY|O_BINARY);
1193                 if(!fi) {
1194                     msg("<fatal> Failed to open %s\n", slave_filename[t]);
1195                     exit(1);
1196                 }
1197                 ret = swf_ReadSWF(fi, &slave);
1198                 if(ret<0) {
1199                     msg("<fatal> Failed to read from %s\n", slave_filename[t]);
1200                     exit(1);
1201                 }
1202                 msg("<debug> Read %d bytes from slavefile\n", ret);
1203                 close(fi);
1204             }
1205             else
1206             {
1207                 memset(&slave, 0, sizeof(slave));
1208                 slave.firstTag = swf_InsertTag(0, ST_END);
1209                 slave.frameRate = 0;
1210                 slave.fileVersion = 4;
1211                 slave.frameCount = 0;
1212             }
1213
1214             combine(&master, slave_name[t], &slave, &newswf);
1215             master = newswf;
1216         }
1217     }
1218
1219     fi = open(outputname, O_BINARY|O_RDWR|O_TRUNC|O_CREAT, 0777);
1220
1221     if(config.zlib)
1222         swf_WriteSWC(fi, &newswf);
1223     else {
1224         newswf.compressed = 0;
1225         swf_WriteSWF(fi, &newswf);
1226     }
1227     close(fi);
1228     return 0;
1229 }
1230