How would you make this code 64 bit compatible?

[Jeremy Duncan]

Here is the original file. It's from the svn for ffdshow trunk
link

Here is the Diff File code. Note it's for x86 machines.

Index: src/imgFilters/avisynth/TimgFilterAvisynth.h
===================================================================
--- src/imgFilters/avisynth/TimgFilterAvisynth.h (revision 2975)
+++ src/imgFilters/avisynth/TimgFilterAvisynth.h (working copy)
@@ -99,7 +99,12 @@
 
    static AVS_VideoFrame* AVSC_CC get_frame(AVS_FilterInfo *, int n);
    static int AVSC_CC get_parity(AVS_FilterInfo *, int n) {return 0;}
-   static int AVSC_CC set_cache_hints(AVS_FilterInfo *, int cachehints, int frame_range) {return 0;}
+   static int AVSC_CC set_cache_hints(AVS_FilterInfo *_this, int cachehints, int frame_range)
+   {
+//    if (cachehints == 0x8666 && frame_range) // identify as Cache instance
+//     *(int*)frame_range = (int)(INT_PTR)_this;
+    return 0;
+   }
    static void AVSC_CC free_filter(AVS_FilterInfo *);
 
   public:

The diff file I made is in post #10