Add Block::GetOffset() accessor.

Change-Id: I6172c412a8b2b093a365d634e48fcd7a09363111

Added accessor for Block, to query offset value.
diff --git a/mkvparser.cpp b/mkvparser.cpp
index b412f28..dff1539 100644
--- a/mkvparser.cpp
+++ b/mkvparser.cpp
@@ -3835,6 +3835,12 @@
 }

 

 

+long long Block::GetOffset() const

+{

+  return m_frameOff;

+}

+

+

 long Block::GetSize() const

 {

     return m_frameSize;

diff --git a/mkvparser.hpp b/mkvparser.hpp
index 7b90bfc..663ddba 100644
--- a/mkvparser.hpp
+++ b/mkvparser.hpp
@@ -80,6 +80,7 @@
     bool IsKey() const;

     void SetKey(bool);

 

+    long long GetOffset() const;

     long GetSize() const;

     long Read(IMkvReader*, unsigned char*) const;