3 files changed, 12 insertions, 12 deletions
diff --git a/src/filters/muxer/BaseMuxer/BaseMuxerRelatedPin.h b/src/filters/muxer/BaseMuxer/BaseMuxerRelatedPin.h
index e6d657999..be749ce97 100644
--- a/src/filters/muxer/BaseMuxer/BaseMuxerRelatedPin.h
+++ b/src/filters/muxer/BaseMuxer/BaseMuxerRelatedPin.h
@@ -1,6 +1,6 @@
 /*
  * (C) 2003-2006 Gabest
- * (C) 2006-2012 see Authors.txt
+ * (C) 2006-2013 see Authors.txt
  *
  * This file is part of MPC-HC.
  *
@@ -24,8 +24,8 @@
 interface __declspec(uuid("EE6F2741-7DB4-4AAD-A3CB-545208EE4C0A"))
 IBaseMuxerRelatedPin :
 public IUnknown {
-    STDMETHOD(SetRelatedPin)(CBasePin * pPin) = 0;
-    STDMETHOD_(CBasePin*, GetRelatedPin)() = 0;
+    STDMETHOD(SetRelatedPin)(CBasePin * pPin) PURE;
+    STDMETHOD_(CBasePin*, GetRelatedPin)() PURE;
 };
 
 class CBaseMuxerRelatedPin : public IBaseMuxerRelatedPin
diff --git a/src/filters/muxer/BaseMuxer/BitStream.h b/src/filters/muxer/BaseMuxer/BitStream.h
index 2d90f0a35..914447ca4 100644
--- a/src/filters/muxer/BaseMuxer/BitStream.h
+++ b/src/filters/muxer/BaseMuxer/BitStream.h
@@ -1,6 +1,6 @@
 /*
  * (C) 2003-2006 Gabest
- * (C) 2006-2012 see Authors.txt
+ * (C) 2006-2013 see Authors.txt
  *
  * This file is part of MPC-HC.
  *
@@ -24,12 +24,12 @@
 interface __declspec(uuid("30AB78C7-5259-4594-AEFE-9C0FC2F08A5E"))
 IBitStream :
 public IUnknown {
-    STDMETHOD_(UINT64, GetPos)() = 0;
-    STDMETHOD_(UINT64, Seek)(UINT64 pos) = 0;  // it's a _stream_, please don't seek if you don't have to
-    STDMETHOD(ByteWrite)(const void * pData, int len) = 0;
-    STDMETHOD(BitWrite)(UINT64 data, int len) = 0;
-    STDMETHOD(BitFlush)() = 0;
-    STDMETHOD(StrWrite)(LPCSTR pData, BOOL bFixNewLine) = 0;
+    STDMETHOD_(UINT64, GetPos)() PURE;
+    STDMETHOD_(UINT64, Seek)(UINT64 pos) PURE;  // it's a _stream_, please don't seek if you don't have to
+    STDMETHOD(ByteWrite)(const void * pData, int len) PURE;
+    STDMETHOD(BitWrite)(UINT64 data, int len) PURE;
+    STDMETHOD(BitFlush)() PURE;
+    STDMETHOD(StrWrite)(LPCSTR pData, BOOL bFixNewLine) PURE;
 };
 
 class CBitStream : public CUnknown, public IBitStream
diff --git a/src/filters/muxer/MatroskaMuxer/MatroskaMuxer.h b/src/filters/muxer/MatroskaMuxer/MatroskaMuxer.h
index 245758b3b..82d9e4fd3 100644
--- a/src/filters/muxer/MatroskaMuxer/MatroskaMuxer.h
+++ b/src/filters/muxer/MatroskaMuxer/MatroskaMuxer.h
@@ -1,6 +1,6 @@
 /*
  * (C) 2003-2006 Gabest
- * (C) 2006-2012 see Authors.txt
+ * (C) 2006-2013 see Authors.txt
  *
  * This file is part of MPC-HC.
  *
@@ -88,7 +88,7 @@ public:
 interface __declspec(uuid("38E2D43D-915D-493C-B373-888DB16EE3DC"))
 IMatroskaMuxer :
 public IUnknown {
-    STDMETHOD(CorrectTimeOffset)(bool fNegative, bool fPositive) = 0;
+    STDMETHOD(CorrectTimeOffset)(bool fNegative, bool fPositive) PURE;
     // TODO: chapters
 };