#endif // HAVE_ZLIB_H
#endif // HAVE_LIBZ
+#define LAME
+#include "lame/lame.h"
+
+#include "./bitio.h"
+
// internal constants
#define MALLOC_SIZE 128
{
#ifdef DEBUG_RFXSWF
fprintf(stderr,"Fatal Error: malloc()/realloc() failed (1). (%d bytes)\n", newmem);
+ *(int*)0=0;
#endif
return 0;
}
return res;
}
-/* reader/writer stuff - from ../src/bitio.c */
-#include "./bitio.c"
-
S32 swf_GetSBits(TAG * t,int nbits)
{ U32 res = swf_GetBits(t,nbits);
if (res&(1<<(nbits-1))) res|=(0xffffffff<<nbits);
nbits = swf_CountBits(r->xmax,nbits);
nbits = swf_CountBits(r->ymin,nbits);
nbits = swf_CountBits(r->ymax,nbits);
+ if(nbits>=32) {
+ fprintf(stderr, "rfxswf: Warning: num_bits overflow in swf_SetRect\n");
+ nbits=31;
+ }
swf_SetBits(t,nbits,5);
swf_SetBits(t,r->xmin,nbits);
return len;
}
+void swf_UnFoldSprite(TAG * t)
+{
+ U16 id,tmp;
+ U32 len;
+ TAG*next = t;
+ U16 spriteid,spriteframes;
+ if(t->id!=ST_DEFINESPRITE)
+ return;
+ if(t->len<=4) // not folded
+ return;
+
+ swf_SetTagPos(t,0);
+
+ spriteid = swf_GetU16(t); //id
+ spriteframes = swf_GetU16(t); //frames
+
+ tmp = swf_GetU16(t);
+ len = tmp&0x3f;
+ id = tmp>>6;
+ while(id)
+ {
+ TAG*it = 0;
+ if (len==0x3f)
+ len = swf_GetU32(t);
+ it = swf_InsertTag(next, id);
+ next = it;
+ it->len = len;
+ it->id = id;
+ if (it->len)
+ { it->data = (U8*)malloc(t->len);
+ it->memsize = it->len;
+ swf_GetBlock(t, it->data, it->len);
+ }
+ tmp = swf_GetU16(t);
+ len = tmp&0x3f;
+ id = tmp>>6;
+ }
+
+ free(t->data); t->data = 0;
+ t->memsize = t->len = t->pos = 0;
+
+ swf_SetU16(t, spriteid);
+ swf_SetU16(t, spriteframes);
+}
+
void swf_FoldSprite(TAG * t)
{
TAG*sprtag=t,*tmp;
fprintf(stderr, "Error: Sprite has no ID!");
return;
}
+ if(t->len>4) {
+ /* sprite is already folded */
+ return;
+ }
t->pos = 0;
id = swf_GetU16(t);
}
}
+void swf_UnFoldAll(SWF*swf)
+{
+ TAG*tag = swf->firstTag;
+ while(tag) {
+ TAG*next = swf_NextTag(tag);
+ if(tag->id == ST_DEFINESPRITE)
+ swf_UnFoldSprite(tag);
+ tag = next;
+ }
+}
+
// Movie Functions
int swf_ReadSWF2(struct reader_t*reader, SWF * swf) // Reads SWF to memory (malloc'ed), returns length or <0 if fails
t1.next->prev = NULL;
}
- return 0;
+ return reader->pos;
}
int swf_ReadSWF(int handle, SWF * swf)
return swf_ReadSWF2(&reader, swf);
}
-int swf_WriteSWF2(struct writer_t*writer, SWF * swf, bool compress) // Writes SWF to file, returns length or <0 if fails
+int swf_WriteSWF2(struct writer_t*writer, SWF * swf) // Writes SWF to file, returns length or <0 if fails
{ U32 len;
TAG * t;
+ int frameCount=0;
struct writer_t zwriter;
+ int fileSize = 0;
if (!swf) return -1;
len = 0;
t = swf->firstTag;
- swf->frameCount = 0;
+ frameCount = 0;
while(t)
{ len += swf_WriteTag(-1, t);
- if (t->id==ST_SHOWFRAME) swf->frameCount++;
+ if (t->id==ST_SHOWFRAME) frameCount++;
t = swf_NextTag(t);
}
swf_SetU16(&t2, swf->frameCount);
l = swf_GetTagLen(&t2)+8;
}
- swf->fileSize = l+len;
+
+ fileSize = l+len;
+ if(len) {// don't touch headers without tags
+ swf->fileSize = fileSize;
+ swf->frameCount = frameCount;
+ }
- if(compress) {
+ if(swf->compressed) {
char*id = "CWS";
writer->write(writer, id, 3);
}
PUT32(b4, swf->fileSize);
writer->write(writer, b4, 4);
- if(compress) {
+ if(swf->compressed) {
writer_init_zlibdeflate(&zwriter, writer);
writer = &zwriter;
}
writer->finish(writer); //e.g. flush zlib buffers
}
}
- return (int)swf->fileSize;
+ return (int)fileSize;
}
int swf_WriteSWF(int handle, SWF * swf) // Writes SWF to file, returns length or <0 if fails
{
struct writer_t writer;
+ swf->compressed = 0;
if(handle<0)
- return swf_WriteSWF2(&writer, swf, FALSE);
+ return swf_WriteSWF2(&writer, swf);
writer_init_filewriter(&writer, handle);
- return swf_WriteSWF2(&writer, swf, FALSE);
+ return swf_WriteSWF2(&writer, swf);
}
int swf_WriteSWC(int handle, SWF * swf) // Writes SWF to file, returns length or <0 if fails
{
struct writer_t writer;
+ swf->compressed = 1;
if(handle<0)
- return swf_WriteSWF2(&writer, swf, TRUE);
+ return swf_WriteSWF2(&writer, swf);
writer_init_filewriter(&writer, handle);
- return swf_WriteSWF2(&writer, swf, TRUE);
+ return swf_WriteSWF2(&writer, swf);
}
+int swf_WriteHeader2(struct writer_t*writer,SWF * swf)
+{
+ SWF myswf;
+ memcpy(&myswf,swf,sizeof(SWF));
+ myswf.firstTag = 0;
+ return swf_WriteSWF2(writer, &myswf);
+}
int swf_WriteHeader(int handle,SWF * swf)
{