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
+ fprintf(stderr, "%f = %d-%d-%x\n", *(float*)&f2, f1>>15, (f1>>10)&31, f1&0x3ff);
+ 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 */
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);
}
}
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_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(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)
}
}
+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;