Enable ffmpeg on Windows

Author: IsaacMarovitz

MarathonRecomp/apu/xma_decoder.cpp

@@ -11,8 +11,6 @@
 
 #include "xma_decoder.h"
 
-#ifndef _WIN32
-
 // #define ENABLE_DEBUG_XMA_DECODER
 
 #ifdef ENABLE_DEBUG_XMA_DECODER
@@ -787,5 +785,3 @@ GUEST_FUNCTION_HOOK(sub_8255CB20, XMAPlaybackSetDecodePosition);
 GUEST_FUNCTION_HOOK(sub_8255C850, XMAPlaybackRewindDecodePosition);
 GUEST_FUNCTION_HOOK(sub_8255CAB0, XMAPlaybackQueryCurrentPosition);
 GUEST_FUNCTION_HOOK(sub_8255C2C0, XMAPlaybackDestroy);
-
-#endif

MarathonRecomp/apu/xma_decoder.h

@@ -1,7 +1,5 @@
 #pragma once
 
-#ifndef _WIN32
-
 #include <utils/bit_stream.h>
 #include <utils/ring_buffer.h>
 #include <kernel/function.h>
@@ -159,5 +157,3 @@ struct XmaPlayback {
         }
     }
 };
-
-#endif