4 files changed, 4 insertions, 4 deletions
diff --git a/src/libw32dll/dmo/DMO_AudioDecoder.c b/src/libw32dll/dmo/DMO_AudioDecoder.c
index f2a1bfb5c..13364c812 100644
--- a/src/libw32dll/dmo/DMO_AudioDecoder.c
+++ b/src/libw32dll/dmo/DMO_AudioDecoder.c
@@ -38,7 +38,7 @@ struct _DMO_AudioDecoder
 typedef long STDCALL (*GETCLASS) (GUID*, GUID*, void**);
 extern void print_wave_header(WAVEFORMATEX *h);
 
-DMO_AudioDecoder * DMO_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf,int out_channels)
+DMO_AudioDecoder * DMO_AudioDecoder_Open(const char* dllname, GUID* guid, WAVEFORMATEX* wf,int out_channels)
 //DMO_AudioDecoder * DMO_AudioDecoder_Create(const CodecInfo * info, const WAVEFORMATEX* wf)
 {
     DMO_AudioDecoder *this;
diff --git a/src/libw32dll/dmo/DMO_AudioDecoder.h b/src/libw32dll/dmo/DMO_AudioDecoder.h
index ed571f465..0112d2743 100644
--- a/src/libw32dll/dmo/DMO_AudioDecoder.h
+++ b/src/libw32dll/dmo/DMO_AudioDecoder.h
@@ -4,7 +4,7 @@
 typedef struct _DMO_AudioDecoder DMO_AudioDecoder;
 
 //DMO_AudioDecoder * DMO_AudioDecoder_Create(const CodecInfo * info, const WAVEFORMATEX* wf);
-DMO_AudioDecoder * DMO_AudioDecoder_Open(char* dllname, GUID* guid, WAVEFORMATEX* wf,int out_channels);
+DMO_AudioDecoder * DMO_AudioDecoder_Open(const char* dllname, GUID* guid, WAVEFORMATEX* wf,int out_channels);
 
 void DMO_AudioDecoder_Destroy(DMO_AudioDecoder *this);
 
diff --git a/src/libw32dll/dmo/DMO_VideoDecoder.c b/src/libw32dll/dmo/DMO_VideoDecoder.c
index 64b0ef78c..4b95bcfa7 100644
--- a/src/libw32dll/dmo/DMO_VideoDecoder.c
+++ b/src/libw32dll/dmo/DMO_VideoDecoder.c
@@ -90,7 +90,7 @@ static ct check[] = {
     {0},
 };
 
-DMO_VideoDecoder * DMO_VideoDecoder_Open(char* dllname, GUID* guid, BITMAPINFOHEADER * format, int flip, int maxauto)
+DMO_VideoDecoder * DMO_VideoDecoder_Open(const char* dllname, GUID* guid, BITMAPINFOHEADER * format, int flip, int maxauto)
 {
     DMO_VideoDecoder *this;
     HRESULT result;
diff --git a/src/libw32dll/dmo/DMO_VideoDecoder.h b/src/libw32dll/dmo/DMO_VideoDecoder.h
index 1f48523a1..7aa52d570 100644
--- a/src/libw32dll/dmo/DMO_VideoDecoder.h
+++ b/src/libw32dll/dmo/DMO_VideoDecoder.h
@@ -5,7 +5,7 @@ typedef struct _DMO_VideoDecoder DMO_VideoDecoder;
 
 int DMO_VideoDecoder_GetCapabilities(DMO_VideoDecoder *this);
 
-DMO_VideoDecoder * DMO_VideoDecoder_Open(char* dllname, GUID* guid, BITMAPINFOHEADER * format, int flip, int maxauto);
+DMO_VideoDecoder * DMO_VideoDecoder_Open(const char* dllname, GUID* guid, BITMAPINFOHEADER * format, int flip, int maxauto);
 
 void DMO_VideoDecoder_Destroy(DMO_VideoDecoder *this);