Version 0.94.1 of the bladeenc mp3 encoder

[swftools.git] / src / swfextract.c

diff --git a/src/swfextract.c b/src/swfextract.c
index 126eff4..99844eb 100644 (file)
--- a/src/swfextract.c
+++ b/src/swfextract.c
@@ -13,7 +13,12 @@
 #include "../lib/rfxswf.h"
 #include "../lib/args.h"
 #include "reloc.h"
+#ifdef HAVE_ZLIB_H
+#ifdef HAVE_LIBZ
 #include "zlib.h"
+#define _ZLIB_INCLUDED_
+#endif
+#endif
 
 char * filename = 0;
 char * destfilename = "output.swf";
@@ -80,6 +85,7 @@ int args_callback_option(char*name,char*val)
        extractjpegids = val;
        return 1;
     } 
+#ifdef _ZLIB_INCLUDED_
     else if(!strcmp(name, "p")) {
        if(extractpngids) {
            fprintf(stderr, "Only one --pngs argument is allowed. (Try to use a range, e.g. -p 1,2,3)\n");
@@ -88,6 +94,7 @@ int args_callback_option(char*name,char*val)
        extractpngids = val;
        return 1;
     } 
+#endif
     else if(!strcmp(name, "f")) {
        extractframes = val;
        return 1;
@@ -115,7 +122,9 @@ void args_callback_usage(char*name)
     printf("\t-n , --name name\t\t instance name of the object to extract\n");
     printf("\t-i , --id IDs\t\t\t ID of the object to extract\n");
     printf("\t-j , --jpeg IDs\t\t\t IDs of the JPEG pictures to extract\n");
+#ifdef _ZLIB_INCLUDED_
     printf("\t-p , --pngs IDs\t\t\t IDs of the PNG pictures to extract\n");
+#endif
     printf("\t-f , --frame frames\t\t frame numbers to extract\n");
     printf("\t-w , --hollow\t\t\t hollow mode: don't remove empty frames (use with -f)\n");
     printf("\t-V , --version\t\t\t Print program version and exit\n");
@@ -143,9 +152,9 @@ char * tagused;
 
 void idcallback(void*data)
 {
-    if(!(used[*(U16*)data]&1)) {
+    if(!(used[GET16(data)]&1)) {
        changed = 1;
-       used[*(U16*)data] |= 1;
+       used[GET16(data)] |= 1;
     }
 }
 
@@ -156,13 +165,16 @@ void enumerateIDs(TAG*tag, void(*callback)(void*))
     if(tag->len>=64) {
        len += 6;
        data = (U8*)malloc(len);
-       *(U16*)data = (tag->id<<6)+63;
-       *(U32*)&data[2] = tag->len;
+       PUT16(data, (tag->id<<6)+63);
+       *(U8*)&data[2] = tag->len;
+       *(U8*)&data[3] = tag->len>>8;
+       *(U8*)&data[4] = tag->len>>16;
+       *(U8*)&data[5] = tag->len>>24;
        memcpy(&data[6], tag->data, tag->len);
     } else {
        len += 2;
        data = (U8*)malloc(len);
-       *(U16*)data = (tag->id<<6)+tag->len;
+       PUT16(data, (tag->id<<6)+tag->len);
        memcpy(&data[2], tag->data, tag->len);
     }
     map_ids_mem(data, len, callback);
@@ -383,7 +395,7 @@ void handlejpeg(TAG*tag)
 {
     char name[80];
     FILE*fi;
-    sprintf(name, "pic%d.jpeg", *(U16*)tag->data);
+    sprintf(name, "pic%d.jpeg", GET16(tag->data));
     /* swf jpeg images have two streams, which both start with ff d8 and
        end with ff d9. The following code handles sorting the middle
        <ff d9 ff d8> bytes out, so that one stream remains */
@@ -405,7 +417,7 @@ void handlejpeg(TAG*tag)
        fclose(fi);
     }
     if(tag->id == ST_DEFINEBITSJPEG3 && tag->len>6) {
-       U32 end = *(U32*)&tag->data[2]+6;
+       U32 end = GET32(&tag->data[2])+6;
        int pos = findjpegboundary(&tag->data[6], tag->len-6);
        if(pos<0)
            return;
@@ -417,6 +429,7 @@ void handlejpeg(TAG*tag)
     }
 }
 
+#ifdef _ZLIB_INCLUDED_
 static U32 mycrc32;
 
 static U32*crc32_table = 0;
@@ -633,6 +646,7 @@ void handlelossless(TAG*tag)
     free(data2);
     free(data3);
 }
+#endif
 
 int main (int argc,char ** argv)
 { 
@@ -732,9 +746,11 @@ int main (int argc,char ** argv)
            if(extractjpegids && is_in_range(id, extractjpegids)) {
                handlejpeg(tag);
            }
+#ifdef _ZLIB_INCLUDED_
            if(extractpngids && is_in_range(id, extractpngids)) {
                handlelossless(tag);
            }
+#endif
        }
        else if (tag->id == ST_SETBACKGROUNDCOLOR) {
            mainr = tag->data[0];