diff --git a/include/mp4v2/file.h b/include/mp4v2/file.h
index c77577f..00c02e6 100644
--- a/include/mp4v2/file.h
+++ b/include/mp4v2/file.h
@@ -328,9 +328,12 @@ bool MP4Optimize(
  *      the library.
  *      On error, #MP4_INVALID_FILE_HANDLE.
  */
+typedef bool( *ShouldParseAtomCallback )( uint32_t );
+
 MP4V2_EXPORT
 MP4FileHandle MP4Read(
-    const char* fileName );
+    const char* fileName,
+    ShouldParseAtomCallback cb = nullptr );
 
 /** Read an existing mp4 file.
  *
@@ -358,13 +361,6 @@ MP4FileHandle MP4ReadProvider(
     const char*            fileName,
     const MP4FileProvider* fileProvider DEFAULT(NULL) );
 
-typedef bool( *ShouldParseAtomCallback )( uint32_t );
-MP4V2_EXPORT
-void MP4SetShouldParseAtomCallback(
-   MP4FileHandle hFile,
-   ShouldParseAtomCallback f
-);
-
 /** @} ***********************************************************************/
 
 #endif /* MP4V2_FILE_H */
diff --git a/src/mp4.cpp b/src/mp4.cpp
index b7af6aa..462b21d 100644
--- a/src/mp4.cpp
+++ b/src/mp4.cpp
@@ -87,7 +87,7 @@ const char* MP4GetFilename( MP4FileHandle hFile )
 
 ///////////////////////////////////////////////////////////////////////////////
 
-MP4FileHandle MP4Read( const char* fileName )
+MP4FileHandle MP4Read( const char* fileName, ShouldParseAtomCallback cb/*=nullptr*/ )
 {
     if (!fileName)
         return MP4_INVALID_FILE_HANDLE;
@@ -99,6 +99,10 @@ MP4FileHandle MP4Read( const char* fileName )
     try
     {
         ASSERT(pFile);
+
+        if ( cb != nullptr )
+           pFile->SetShouldParseAtomCallback( cb );
+
         pFile->Read( fileName, NULL );
         return (MP4FileHandle)pFile;
     }
@@ -143,30 +147,6 @@ MP4FileHandle MP4ReadProvider( const char* fileName, const MP4FileProvider* file
     return MP4_INVALID_FILE_HANDLE;
 }
 
-///////////////////////////////////////////////////////////////////////////////
-
-void MP4SetShouldParseAtomCallback( MP4FileHandle hFile, ShouldParseAtomCallback cb )
-{
-   if (!MP4_IS_VALID_FILE_HANDLE(hFile))
-      return;
-   try
-   {
-      ASSERT(hFile);
-      MP4File& file = *static_cast<MP4File*>(hFile);
-      file.SetShouldParseAtomCallback( cb );
-   }
-   catch( Exception* x ) {
-      mp4v2::impl::log.errorf(*x);
-      delete x;
-   }
-   catch( ... ) {
-      mp4v2::impl::log.errorf("%s: unknown exception accessing MP4File "
-                               "filename", __FUNCTION__ );
-   }
-
-//   g_parseCallback = cb;
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
     MP4FileHandle MP4Create (const char* fileName,
diff --git a/src/mp4atom.cpp b/src/mp4atom.cpp
index bb14325..bdc699a 100644
--- a/src/mp4atom.cpp
+++ b/src/mp4atom.cpp
@@ -237,7 +237,7 @@ void MP4Atom::Read()
 
     // skip parsing of certain atoms
     ShouldParseAtomCallback cb = m_File.GetShouldParseAtomCallback();
-    if ( cb == nullptr || ( cb != nullptr && cb( ATOMID(m_type) ) ) )
+    if ( cb == nullptr || cb( ATOMID(m_type) ) )
     {
        ReadProperties();