2 Allows to extract parts of the swf into a new file.
4 Part of the swftools package.
6 Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
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.
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.
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 */
25 #include "../lib/rfxswf.h"
26 #include "../lib/args.h"
27 #include "../lib/log.h"
31 #define _ZLIB_INCLUDED_
36 char * destfilename = "output.swf";
40 char* extractframes = 0;
41 char* extractjpegids = 0;
42 char* extractfontids = 0;
43 char* extractpngids = 0;
44 char* extractsoundids = 0;
47 char* extractname = 0;
50 char originalplaceobjects = 0;
54 struct options_t options[] =
73 int args_callback_option(char*name,char*val)
75 if(!strcmp(name, "V")) {
76 printf("swfextract - part of %s %s\n", PACKAGE, VERSION);
79 else if(!strcmp(name, "o")) {
83 else if(!strcmp(name, "i")) {
87 fprintf(stderr, "You can only supply either name or id\n");
92 else if(!strcmp(name, "n")) {
96 fprintf(stderr, "You can only supply either name or id\n");
101 else if(!strcmp(name, "v")) {
105 else if(!strcmp(name, "m")) {
110 else if(!strcmp(name, "j")) {
112 fprintf(stderr, "Only one --jpegs argument is allowed. (Try to use a range, e.g. -j 1,2,3)\n");
116 extractjpegids = val;
119 else if(!strcmp(name, "F")) {
121 fprintf(stderr, "Only one --font argument is allowed. (Try to use a range, e.g. -s 1,2,3)\n");
125 extractfontids = val;
128 else if(!strcmp(name, "s")) {
129 if(extractsoundids) {
130 fprintf(stderr, "Only one --sound argument is allowed. (Try to use a range, e.g. -s 1,2,3)\n");
134 extractsoundids = val;
137 #ifdef _ZLIB_INCLUDED_
138 else if(!strcmp(name, "p")) {
140 fprintf(stderr, "Only one --png argument is allowed. (Try to use a range, e.g. -p 1,2,3)\n");
148 else if(!strcmp(name, "f")) {
153 else if(!strcmp(name, "P")) {
154 originalplaceobjects = 1;
157 else if(!strcmp(name, "w")) {
162 printf("Unknown option: -%s\n", name);
168 int args_callback_longoption(char*name,char*val)
170 return args_long2shortoption(options, name, val);
172 void args_callback_usage(char*name)
174 printf("Usage: %s [-v] [-n name] [-ijf ids] file.swf\n", name);
175 printf("\t-v , --verbose\t\t\t Be more verbose\n");
176 printf("\t-o , --output filename\t\t set output filename\n");
177 printf("\t-V , --version\t\t\t Print program version and exit\n\n");
178 printf("SWF Subelement extraction:\n");
179 printf("\t-n , --name name\t\t instance name of the object (SWF Define) to extract\n");
180 printf("\t-i , --id ID\t\t\t ID of the object, shape or movieclip to extract\n");
181 printf("\t-f , --frame frames\t\t frame numbers to extract\n");
182 printf("\t-w , --hollow\t\t\t hollow mode: don't remove empty frames\n");
183 printf("\t \t\t\t (use with -f)\n");
184 printf("\t-P , --placeobject\t\t\t Insert original placeobject into output file\n");
185 printf("\t \t\t\t (use with -i)\n");
186 printf("SWF Font/Text extraction:\n");
187 printf("\t-F , --font ID\t\t\t Extract font(s)\n");
188 printf("Picture extraction:\n");
189 printf("\t-j , --jpeg ID\t\t\t Extract JPEG picture(s)\n");
190 #ifdef _ZLIB_INCLUDED_
191 printf("\t-p , --pngs ID\t\t\t Extract PNG picture(s)\n");
194 printf("Sound extraction:\n");
195 printf("\t-m , --mp3\t\t\t Extract main mp3 stream\n");
196 printf("\t-s , --sound ID\t\t\t Extract Sound(s)\n");
198 int args_callback_command(char*name,char*val)
201 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
208 U8 mainr,maing,mainb;
209 /* 1 = used, not expanded,
211 5 = wanted, not expanded
218 int extractname_id = -1;
220 void idcallback(void*data)
222 if(!(used[GET16(data)]&1)) {
224 used[GET16(data)] |= 1;
228 void enumerateIDs(TAG*tag, void(*callback)(void*))
234 data = (U8*)malloc(len);
235 PUT16(data, (tag->id<<6)+63);
236 *(U8*)&data[2] = tag->len;
237 *(U8*)&data[3] = tag->len>>8;
238 *(U8*)&data[4] = tag->len>>16;
239 *(U8*)&data[5] = tag->len>>24;
240 memcpy(&data[6], tag->data, tag->len);
243 data = (U8*)malloc(len);
244 PUT16(data, (tag->id<<6)+tag->len);
245 memcpy(&data[2], tag->data, tag->len);
247 map_ids_mem(data, len, callback);
249 int num = swf_GetNumUsedIDs(tag);
250 int *ptr = malloc(sizeof(int)*num);
252 swf_GetUsedIDs(tag, ptr);
254 callback(&tag->data[ptr[t]]);
257 void extractTag(SWF*swf, char*filename)
269 memset(&newswf,0x00,sizeof(SWF)); // set global movie parameters
271 newswf.fileVersion = swf->fileVersion;
272 newswf.frameRate = swf->frameRate;
273 newswf.movieSize = swf->movieSize;
275 newswf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
276 desttag = newswf.firstTag;
280 swf_SetRGB(desttag,&rgb);
282 swf_GetRect(0, &objectbbox);
286 for(t=0;t<65536;t++) {
287 if(used[t] && !(used[t]&2)) {
289 msg("<warning> ID %d is referenced, but never defined.", t);
290 } else if(tags[t]->id==ST_DEFINESPRITE) {
292 while(tag->id != ST_END)
294 enumerateIDs(tag, idcallback);
299 enumerateIDs(tags[t], idcallback);
306 srctag = swf->firstTag;
309 while(srctag && (srctag->id || sprite)) {
314 if(srctag->id == ST_END) {
317 if(srctag->id == ST_DEFINESPRITE)
319 if(swf_isDefiningTag(srctag)) {
320 int id = swf_GetDefineID(srctag);
324 b = swf_GetDefineBBox(srctag);
325 swf_ExpandRect2(&objectbbox, &b);
328 if (((((srctag->id == ST_PLACEOBJECT || srctag->id == ST_PLACEOBJECT2) && originalplaceobjects)
329 || srctag->id == ST_STARTSOUND) && (used[swf_GetPlaceID(srctag)]&4) ) ||
330 (swf_isPseudoDefiningTag(srctag) && used[swf_GetDefineID(srctag)]) ||
337 if(srctag->id == ST_REMOVEOBJECT) {
338 if(!used[swf_GetPlaceID(srctag)])
343 TAG*ttag = (TAG*)malloc(sizeof(TAG));
344 desttag = swf_InsertTag(desttag, srctag->id);
345 desttag->len = desttag->memsize = srctag->len;
346 desttag->data = malloc(srctag->len);
347 memcpy(desttag->data, srctag->data, srctag->len);
352 srctag = srctag->next;
355 if(!extractframes && !hollow) {
356 if(!originalplaceobjects && (extractids||extractname_id>=0)) {
361 memset(&bbox, 0, sizeof(SRECT));
362 for(t=0;t<65536;t++) {
363 if(is_in_range(t, extractids)) {
369 printf("warning! You should use the -P when extracting multiple objects\n");
371 /* if there is only one object, we will scale it.
372 So let's figure out it's bounding box */
373 TAG*tag = swf->firstTag;
375 if(swf_isDefiningTag(tag) && tag->id != ST_DEFINESPRITE) {
376 if(swf_GetDefineID(tag) == id)
377 bbox = swf_GetDefineBBox(tag);
385 if((objectbbox.xmin|objectbbox.ymin|objectbbox.xmax|objectbbox.ymax)!=0)
386 newswf.movieSize = objectbbox;
387 if(extractname_id>=0) {
388 desttag = swf_InsertTag(desttag, ST_PLACEOBJECT2);
389 swf_ObjectPlace(desttag, extractname_id, extractname_id, 0,0,extractname);
391 for(t=0;t<65536;t++) {
392 if(is_in_range(t, extractids)) {
394 desttag = swf_InsertTag(desttag, ST_PLACEOBJECT2);
395 swf_GetMatrix(0, &m);
397 int width = bbox.xmax - bbox.xmin;
398 int height = bbox.ymax - bbox.ymin;
399 int max = width>height?width:height;
403 m.sx = (512*20*65536)/max;
404 m.sy = (512*20*65536)/max;
406 newswf.movieSize = swf_TurnRect(newswf.movieSize, &m);
408 swf_ObjectPlace(desttag, t, t, &m,0,0);
413 desttag = swf_InsertTag(desttag,ST_SHOWFRAME);
415 desttag = swf_InsertTag(desttag,ST_END);
417 f = open(filename, O_TRUNC|O_WRONLY|O_CREAT|O_BINARY, 0644);
418 if FAILED(swf_WriteSWF(f,&newswf)) fprintf(stderr,"WriteSWF() failed.\n");
421 swf_FreeTags(&newswf); // cleanup
424 int isOfType(int t, TAG*tag)
427 if(t == 0 && (tag->id == ST_DEFINESHAPE ||
428 tag->id == ST_DEFINESHAPE2 ||
429 tag->id == ST_DEFINESHAPE3)) {
432 if(t==1 && tag->id == ST_DEFINESPRITE) {
435 if(t == 2 && (tag->id == ST_DEFINEBITS ||
436 tag->id == ST_DEFINEBITSJPEG2 ||
437 tag->id == ST_DEFINEBITSJPEG3)) {
440 if(t == 3 && (tag->id == ST_DEFINEBITSLOSSLESS ||
441 tag->id == ST_DEFINEBITSLOSSLESS2)) {
444 if(t == 4 && (tag->id == ST_DEFINESOUND)) {
447 if(t == 5 && (tag->id == ST_DEFINEFONT || tag->id == ST_DEFINEFONT2)) {
453 void listObjects(SWF*swf)
459 char*names[] = {"Shape", "MovieClip", "JPEG", "PNG", "Sound", "Font"};
460 printf("Objects in file %s:\n",filename);
462 for(t=0;t<sizeof(names)/sizeof(names[0]);t++) {
464 int lastid = -2, lastprint=-1;
476 printf(" %d %s%s: ID(s) ", nr, names[t], nr>1?"s":"");
481 char show = isOfType(t,tag);
487 id = swf_GetDefineID(tag);
492 if(first || !follow) {
497 if(lastprint + 1 == lastid)
498 printf(", %d, %d", lastid, id);
500 printf("-%d, %d", lastid, id);
510 if(lastprint + 1 == lastid)
511 printf(", %d", lastid);
513 printf("-%d", lastid);
519 printf(" %d Frames: ID(s) 0-%d\n", frame, frame);
521 printf(" 1 Frame: ID(s) 0\n");
524 void handlefont(SWF*swf, TAG*tag)
529 char*filename = name;
532 id = swf_GetDefineID(tag);
533 sprintf(name, "font%d.swf", id);
535 filename = destfilename;
538 swf_FontExtract(swf, id, &f);
540 printf("Couldn't extract font %d\n", id);
544 swf_FontCreateLayout(f);
546 swf_WriteFont(f, filename);
553 void handlejpegtables(TAG*tag)
555 if(tag->id == ST_JPEGTABLES) {
556 jpegtables = tag->data;
557 jpegtablessize = tag->len;
561 FILE* save_fopen(char* name, char* mode)
563 FILE*fi = fopen(name, mode);
565 fprintf(stderr, "Error: Couldn't open %s\n", name);
571 int findjpegboundary(U8*data, int len)
586 /* extract jpeg data out of a tag */
587 void handlejpeg(TAG*tag)
590 char*filename = name;
593 sprintf(name, "pic%d.jpg", GET16(tag->data));
595 filename = destfilename;
596 if(!strcmp(filename,"output.swf"))
597 filename = "output.jpg";
599 /* swf jpeg images have two streams, which both start with ff d8 and
600 end with ff d9. The following code handles sorting the middle
601 <ff d9 ff d8> bytes out, so that one stream remains */
602 if(tag->id == ST_DEFINEBITSJPEG && tag->len>2 && jpegtables) {
603 fi = save_fopen(filename, "wb");
604 fwrite(jpegtables, 1, jpegtablessize-2, fi); //don't write end tag (ff,d8)
605 fwrite(&tag->data[2+2], tag->len-2-2, 1, fi); //don't write start tag (ff,d9)
608 else if(tag->id == ST_DEFINEBITSJPEG2 && tag->len>2) {
610 int pos = findjpegboundary(&tag->data[2], tag->len-2);
613 fi = save_fopen(filename, "wb");
614 fwrite(&tag->data[2], pos-2, 1, fi);
615 fwrite(&tag->data[pos+4], end-(pos+4), 1, fi);
618 fi = save_fopen(filename, "wb");
619 fwrite(&tag->data[2], end-2, 1, fi);
623 else if(tag->id == ST_DEFINEBITSJPEG3 && tag->len>6) {
624 U32 end = GET32(&tag->data[2])+6;
625 int pos = findjpegboundary(&tag->data[6], tag->len-6);
629 fi = save_fopen(filename, "wb");
630 fwrite(&tag->data[6], pos-6, 1, fi);
631 fwrite(&tag->data[pos+4], end-(pos+4), 1, fi);
635 int id = GET16(tag->data);
636 fprintf(stderr, "Object %d is not a JPEG picture!\n",id);
641 #ifdef _ZLIB_INCLUDED_
644 static U32*crc32_table = 0;
645 static void make_crc32_table(void)
650 crc32_table = (U32*)malloc(1024);
652 for (t = 0; t < 256; t++) {
655 for (s = 0; s < 8; s++) {
656 c = (0xedb88320L*(c&1)) ^ (c >> 1);
661 static inline void png_write_byte(FILE*fi, U8 byte)
663 fwrite(&byte,1,1,fi);
664 mycrc32 = crc32_table[(mycrc32 ^ byte) & 0xff] ^ (mycrc32 >> 8);
666 static void png_start_chunk(FILE*fi, char*type, int len)
668 U8 mytype[4]={0,0,0,0};
669 U32 mylen = REVERSESWAP32(len);
670 memcpy(mytype,type,strlen(type));
671 fwrite(&mylen, 4, 1, fi);
673 png_write_byte(fi,mytype[0]);
674 png_write_byte(fi,mytype[1]);
675 png_write_byte(fi,mytype[2]);
676 png_write_byte(fi,mytype[3]);
678 static void png_write_bytes(FILE*fi, U8*bytes, int len)
682 png_write_byte(fi,bytes[t]);
684 static void png_write_dword(FILE*fi, U32 dword)
686 png_write_byte(fi,dword>>24);
687 png_write_byte(fi,dword>>16);
688 png_write_byte(fi,dword>>8);
689 png_write_byte(fi,dword);
691 static void png_end_chunk(FILE*fi)
693 U32 tmp = REVERSESWAP32((mycrc32^0xffffffff));
698 /* extract a lossless image (png) out of a tag
699 This routine was originally meant to be a one-pager. I just
700 didn't know png is _that_ much fun. :) -mk
702 void handlelossless(TAG*tag)
705 char*filename = name;
720 U8 head[] = {137,80,78,71,13,10,26,10};
722 char alpha = tag->id == ST_DEFINEBITSLOSSLESS2;
730 if(tag->id != ST_DEFINEBITSLOSSLESS &&
731 tag->id != ST_DEFINEBITSLOSSLESS2) {
732 int id = GET16(tag->data);
733 fprintf(stderr, "Object %d is not a PNG picture!\n",id);
738 format = swf_GetU8(tag);
739 if(format == 3) bpp = 8;
740 if(format == 4) bpp = 16;
741 if(format == 5) bpp = 32;
742 if(format!=3 && format!=5) {
744 fprintf(stderr, "Can't handle 16-bit palette images yet (image %d)\n",id);
746 fprintf(stderr, "Unknown image type %d in image %d\n", format, id);
749 width = swf_GetU16(tag);
750 height = swf_GetU16(tag);
751 if(format == 3) cols = swf_GetU8(tag) + 1;
752 // this is what format means according to the flash specification. (which is
754 // if(format == 4) cols = swf_GetU16(tag) + 1;
755 // if(format == 5) cols = swf_GetU32(tag) + 1;
758 msg("<verbose> Width %d", width);
759 msg("<verbose> Height %d", height);
760 msg("<verbose> Format %d", format);
761 msg("<verbose> Cols %d", cols);
762 msg("<verbose> Bpp %d", bpp);
764 datalen = (width*height*bpp/8+cols*8);
769 data = malloc(datalen);
770 error = uncompress (data, &datalen, &tag->data[tag->pos], tag->len-tag->pos);
771 } while(error == Z_BUF_ERROR);
773 fprintf(stderr, "Zlib error %d (image %d)\n", error, id);
776 msg("<verbose> Uncompressed image is %d bytes (%d colormap)", datalen, (3+alpha)*cols);
779 data2 = malloc(datalen2);
780 palette = (RGBA*)malloc(cols*sizeof(RGBA));
782 for(t=0;t<cols;t++) {
783 palette[t].r = data[pos++];
784 palette[t].g = data[pos++];
785 palette[t].b = data[pos++];
787 palette[t].a = data[pos++];
791 sprintf(name, "pic%d.png", id);
793 filename = destfilename;
794 if(!strcmp(filename,"output.swf"))
795 filename = "output.png";
797 fi = save_fopen(filename, "wb");
798 fwrite(head,sizeof(head),1,fi);
800 png_start_chunk(fi, "IHDR", 13);
801 png_write_dword(fi,width);
802 png_write_dword(fi,height);
803 png_write_byte(fi,8);
805 png_write_byte(fi,3); //indexed
806 else if(format == 5 && alpha==0)
807 png_write_byte(fi,2); //rgb
808 else if(format == 5 && alpha==1)
809 png_write_byte(fi,6); //rgba
812 png_write_byte(fi,0); //compression mode
813 png_write_byte(fi,0); //filter mode
814 png_write_byte(fi,0); //interlace mode
818 png_start_chunk(fi, "PLTE", 768);
821 png_write_byte(fi,palette[t].r);
822 png_write_byte(fi,palette[t].g);
823 png_write_byte(fi,palette[t].b);
830 int srcwidth = width * (bpp/8);
831 datalen3 = width*height*4;
832 data3 = (U8*)malloc(datalen3);
833 for(y=0;y<height;y++)
835 data3[pos2++]=0; //filter type
838 // 32 bit to 24 bit "conversion"
839 for(x=0;x<width;x++) {
840 data3[pos2++]=data[pos+1];
841 data3[pos2++]=data[pos+2];
842 data3[pos2++]=data[pos+3];
843 pos+=4; //ignore padding byte
846 for(x=0;x<width;x++) {
847 data3[pos2++]=data[pos+1];
848 data3[pos2++]=data[pos+2];
849 data3[pos2++]=data[pos+3];
850 data3[pos2++]=data[pos+0]; //alpha
856 for(x=0;x<srcwidth;x++)
857 data3[pos2++]=data[pos++];
860 pos+=((srcwidth+3)&~3)-srcwidth; //align
865 if(compress (data2, &datalen2, data3, datalen3) != Z_OK) {
866 fprintf(stderr, "zlib error in pic %d\n", id);
869 msg("<verbose> Compressed data is %d bytes", datalen2);
870 png_start_chunk(fi, "IDAT", datalen2);
871 png_write_bytes(fi,data2,datalen2);
873 png_start_chunk(fi, "IEND", 0);
883 void handlesoundstream(TAG*tag)
885 char*filename = "output.mp3";
887 filename = destfilename;
888 if(!strcmp(filename,"output.swf"))
889 filename = "output.mp3";
892 case ST_SOUNDSTREAMHEAD:
893 if((tag->data[1]&0x30) == 0x20) { //mp3 compression
894 mp3file = fopen(filename, "wb");
895 msg("<notice> Writing mp3 data to %s",filename);
898 msg("<error> Soundstream is not mp3");
900 case ST_SOUNDSTREAMHEAD2:
901 if((tag->data[1]&0x30) == 0x20) {//mp3 compression
902 mp3file = fopen(filename, "wb");
903 msg("<notice> Writing mp3 data to %s",filename);
906 msg("<error> Soundstream is not mp3 (2)");
908 case ST_SOUNDSTREAMBLOCK:
910 fwrite(&tag->data[4],tag->len-4,1,mp3file);
915 void handledefinesound(TAG*tag)
925 int rate,bits,stereo;
926 char*rates[] = {"5500","11025","22050","44100"};
927 id = swf_GetU16(tag); //id
929 flags = swf_GetU8(tag);
935 samples = swf_GetU32(tag);
939 if(format == 2) { // mp3
940 swf_GetU16(tag); //numsamples_seek
942 } else if(format == 0) { // raw
943 printf("Sound is RAW, format: %s samples/sec, %d bit, %s\n", rates[rate], bits, stereo?"stereo":"mono");
944 // TODO: convert to WAV
946 } else if(format == 1) { // adpcm
947 printf("Sound is ADPCM, format: %s samples/sec, %d bit, %s\n", rates[rate], bits, stereo?"stereo":"mono");
950 sprintf(buf, "sound%d.%s", id, extension);
952 filename = destfilename;
953 if(!strcmp(filename,"output.swf")) {
954 sprintf(buf, "output.%s", extension);
958 fi = save_fopen(filename, "wb");
959 fwrite(&tag->data[tag->pos], tag->len - tag->pos, 1, fi);
963 int main (int argc,char ** argv)
972 char listavailable = 0;
973 processargs(argc, argv);
975 if(!extractframes && !extractids && ! extractname && !extractjpegids && !extractpngids
976 && !extractmp3 && !extractsoundids && !extractfontids)
981 fprintf(stderr, "You must supply a filename.\n");
984 initLog(0,-1,0,0,-1, verbose);
986 f = open(filename,O_RDONLY|O_BINARY);
990 perror("Couldn't open file: ");
993 if (swf_ReadSWF(f,&swf) < 0)
995 fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
1014 tagused = (char*)malloc(tagnum);
1015 memset(tagused, 0, tagnum);
1016 memset(used, 0, 65536);
1017 memset(depths, 0, 65536);
1022 if(swf_isAllowedSpriteTag(tag)) {
1024 if(extractframes && is_in_range(frame, extractframes)) {
1026 if(tag->id == ST_PLACEOBJECT || tag->id == ST_PLACEOBJECT2) {
1027 depths[swf_GetDepth(tag)] = 1;
1029 if(tag->id == ST_REMOVEOBJECT || tag->id == ST_REMOVEOBJECT2) {
1030 int depth = swf_GetDepth(tag);
1033 depths[swf_GetDepth(tag)] = 0;
1036 if((tag->id == ST_REMOVEOBJECT || tag->id == ST_REMOVEOBJECT2) &&
1037 (depths[swf_GetDepth(tag)]) && hollow) {
1039 depths[swf_GetDepth(tag)] = 0;
1043 enumerateIDs(tag, idcallback);
1045 tagused[tagnum] = 1;
1049 if(tag->id == ST_SOUNDSTREAMHEAD ||
1050 tag->id == ST_SOUNDSTREAMHEAD2 ||
1051 tag->id == ST_SOUNDSTREAMBLOCK) {
1053 handlesoundstream(tag);
1056 if(tag->id == ST_JPEGTABLES)
1057 handlejpegtables(tag);
1059 if(swf_isDefiningTag(tag)) {
1060 int id = swf_GetDefineID(tag);
1062 if(extractids && is_in_range(id, extractids)) {
1066 if(extractfontids && is_in_range(id, extractfontids)) {
1067 handlefont(&swf, tag);
1069 if(extractjpegids && is_in_range(id, extractjpegids)) {
1072 if(extractsoundids && is_in_range(id, extractsoundids)) {
1073 handledefinesound(tag);
1075 #ifdef _ZLIB_INCLUDED_
1076 if(extractpngids && is_in_range(id, extractpngids)) {
1077 handlelossless(tag);
1081 else if (tag->id == ST_SETBACKGROUNDCOLOR) {
1082 mainr = tag->data[0];
1083 maing = tag->data[1];
1084 mainb = tag->data[2];
1086 else if(tag->id == ST_PLACEOBJECT2) {
1087 char*name = swf_GetName(tag);
1088 if(name && extractname && !strcmp(name, extractname)) {
1089 int id = swf_GetPlaceID(tag);
1092 tagused[tagnum] = 1;
1093 depths[swf_GetDepth(tag)] = 1;
1094 extractname_id = id;
1097 else if(tag->id == ST_SHOWFRAME) {
1100 tagused[tagnum] = 1;
1105 if(tag->id == ST_DEFINESPRITE) {
1106 while(tag->id != ST_END) {
1115 extractTag(&swf, destfilename);