void swf_SetS16(TAG * t,int v)
{
if(v>32767 || v<-32768) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "Warning: S16 overflow: %d\n", v);
+ #endif
}
swf_SetU16(t, (S16)v);
}
if (!t->readBit) t->readBit = 0x80;
while (nbits)
{ res<<=1;
+#ifdef DEBUG_RFXSWF
+ if (t->pos>=t->len)
+ { fprintf(stderr,"GetBits() out of bounds: TagID = %i, pos=%d, len=%d\n",t->id, t->pos, t->len);
+ int i,m=t->len>10?10:t->len;
+ for(i=-1;i<m;i++) {
+ fprintf(stderr, "(%d)%02x ", i, t->data[i]);
+ }
+ fprintf(stderr, "\n");
+ return res;
+ }
+#endif
if (t->data[t->pos]&t->readBit) res|=1;
t->readBit>>=1;
nbits--;
if (!t->readBit)
{ if (nbits) t->readBit = 0x80;
- #ifdef DEBUG_RFXSWF
- if (t->pos>=t->len)
- { fprintf(stderr,"GetBits() out of bounds: TagID = %i\n",t->id);
- return res;
- }
- #endif
t->pos++;
}
}
while(1) {
U8 b = swf_GetU8(tag);
nr++;
- s|=(b&127)<<shift;
+ nt i,m=t->len>10?10:t->len;
+ for(i=0;i<m;i++) {
+ fprintf(stderr, "%02x ", t->data[i]);
+ }
+ fprintf(stderr, "\n");
+ s|=(b&127)<<shift;
shift+=7;
if(!(b&128) || shift>=32) {
if(b&64) {
swf_SetBlock(tag, (void*)str, l);
return len;
}
+float swf_GetF16(TAG * t)
+{
+ // D16 is 1-5-10
+ // D32 is 1-8-23
+ U16 f1 = swf_GetU16(t);
+ if(!f1) return 0;
+ U32 f2 = (f1&0x8000)<<16; //sign
+ f2 |= ((f1&0x7c00)<<13)+(0x40000000-(0x4000<<13)); //exp
+ f2 |= (f1&0x03ff)<<13; //mantissa
+ return *(float*)&f2;
+}
+void swf_SetF16(TAG * t, float f)
+{
+ U32 f1 = *(U32*)&f;
+ U16 f2 = (f1>>16)&0x8000;
+ int exp = ((f1>>23)&0xff)-0x80+0x10;
+ if(exp<0) {
+ exp = 0;
+ fprintf(stderr, "Exponent underflow in FLOAT16 encoding\n");
+ } else if(exp>=32) {
+ exp = 31;
+ fprintf(stderr, "Exponent overflow in FLOAT16 encoding\n");
+ }
+ f2 |= exp<<10;
+ f2 |= (f1>>13)&0x3ff;
+ swf_SetU16(t, f2);
+}
+
double swf_GetD64(TAG*tag)
{
/* FIXME: this is not big-endian compatible */
nbits = swf_CountBits(r->ymin,nbits);
nbits = swf_CountBits(r->ymax,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "rfxswf: Warning: num_bits overflow in swf_SetRect\n");
+ #endif
nbits=31;
}
nbits = swf_CountBits(m->sy,nbits);
if(nbits>=32) {
/* TODO: happens on AMD64 systems for normal values? */
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
nbits = swf_CountBits(m->r0,0);
nbits = swf_CountBits(m->r1,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
nbits = swf_CountBits(m->tx,0);
nbits = swf_CountBits(m->ty,nbits);
if(nbits>=32) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr,"rfxswf: Error: matrix values too large\n");
+ #endif
nbits = 31;
}
swf_SetBits(t,nbits,5);
md5string = crypt_md5(password, salt);
swf_SetU16(t,0);
- swf_SetString(t, (U8*)md5string);
+ swf_SetString(t, md5string);
}
void swf_SetString(TAG*t, const char* s)
if(!s) {
swf_SetU8(t, 0);
} else {
- swf_SetBlock(t,s,strlen(s)+1);
+ swf_SetBlock(t,(U8*)s,strlen(s)+1);
}
}
{ t->data = (U8*)rfx_alloc(t->len);
t->memsize = t->len;
if (reader->read(reader, t->data, t->len) != t->len) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "rfxswf: Warning: Short read (tagid %d). File truncated?\n", t->id);
+ #endif
free(t->data);t->data=0;
free(t);
return NULL;
if(t->id!=ST_DEFINESPRITE)
return;
if(!t->len) {
+ #ifdef DEBUG_RFXSWF
fprintf(stderr, "Error: Sprite has no ID!");
+ #endif
return;
}
if(t->len>4) {
swf->frameCount = SWAP16(swf->frameCount);
/* read tags and connect to list */
+ t1.next = 0;
t = &t1;
while (t) {
t = swf_ReadTag(reader,t);
}
}
swf->firstTag = t1.next;
- t1.next->prev = NULL;
+ if(t1.next)
+ t1.next->prev = NULL;
}
return reader->pos;
}
+SWF* swf_OpenSWF(char*filename)
+{
+ int fi = open(filename, O_RDONLY|O_BINARY);
+ if(fi<0) {
+ fprintf(stderr, "Failed to open %s\n", filename);
+ return 0;
+ }
+ SWF* swf = rfx_alloc(sizeof(SWF));
+ swf_ReadSWF(fi, swf);
+ close(fi);
+ return swf;
+}
+
int swf_ReadSWF(int handle, SWF * swf)
{
reader_t reader;
{
memset(swf, 0, sizeof(SWF));
swf->fileVersion=9;
- swf->fileAttributes=1; //as3
+ swf->fileAttributes=FILEATTRIBUTE_AS3; //as3
TAG*tag = swf->firstTag = swf_InsertTag(0, ST_RAWABC);
memfile_t*file = memfile_open(filename);
swf_SetBlock(tag, file->data, file->len);
if(swf->fileVersion >= 9) {
if(!has_fileattributes) {
- U32 flags = swf->fileAttributes|0x08; // 16 = has symbolclass tag | 8 = actionscript3 | 1 = usenetwork
+ U32 flags = swf->fileAttributes|FILEATTRIBUTE_AS3; // 16 = has symbolclass tag | 8 = actionscript3 | 1 = usenetwork
if(has_version_8_action && !has_version_9_action)
- flags &= ~0x08;
+ flags &= ~FILEATTRIBUTE_AS3;
TAG*fileattrib = swf_InsertTag(0, ST_FILEATTRIBUTES);
swf_SetU32(fileattrib, flags);
if(writer) {
}
swf_DeleteTag(0, fileattrib);
} else {
- if(swf_WriteTag2(writer, has_fileattributes)<0)
- return -1;
+ if(swf->fileAttributes) {
+ /* if we're writing a file out again where we might have possible
+ modified the fileattributes in the header, adjust the tag data */
+ TAG*tt = swf_CopyTag(0,has_fileattributes);
+ U32 flags = swf_GetU32(tt) | swf->fileAttributes;
+ swf_ResetTag(tt, tt->id);
+ swf_SetU32(tt, flags);
+ if(swf_WriteTag2(writer, has_fileattributes)<0) return -1;
+ swf_DeleteTag(0, tt);
+ } else {
+ if(swf_WriteTag2(writer, has_fileattributes)<0)
+ return -1;
+ }
}
- if(!has_scenedescription) {
+ if(0 && !has_scenedescription) {
TAG*scene = swf_InsertTag(0, ST_SCENEDESCRIPTION);
swf_SetU16(scene, 1);
- swf_SetString(scene, (U8*)"Scene 1");
+ swf_SetString(scene, "Scene 1");
swf_SetU8(scene, 0);
if(writer) {
if(swf_WriteTag2(writer, scene)<0)
t = swf->firstTag;
frameCount = 0;
- len += WriteExtraTags(swf, 0);
+ if(swf->firstTag && !no_extra_tags) {
+ len += WriteExtraTags(swf, 0);
+ }
while(t) {
len += swf_WriteTag(-1,t);
if(t->id == ST_DEFINESPRITE && !swf_IsFolded(t)) inSprite++;
return -1;
}
- if(!no_extra_tags) {
+ if(swf->firstTag && !no_extra_tags) {
WriteExtraTags(swf, writer);
}
t = swf->firstTag;
}
}
+int swf_SaveSWF(SWF * swf, char*filename)
+{
+ int fi = open(filename, O_BINARY|O_RDWR|O_TRUNC|O_CREAT, 0777);
+ if(fi<0) {
+ perror(filename);
+ return 0;
+ }
+ if(swf_WriteSWF(fi, swf)<0) {
+ fprintf(stderr, "Unable to write output file: %s\n", filename);
+ return 0;
+ }
+ close(fi);
+ return 1;
+}
+
int swf_WriteSWF(int handle, SWF * swf) // Writes SWF to file, returns length or <0 if fails
{
writer_t writer;
git.asbjorn.biz / swftools.git / blobdiff