Add even more of the source

This should be about everything needed to build so far?

QTFileLib/QTAtom_mdhd.h

@@ -0,0 +1,83 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+//
+// QTAtom_mdhd:
+//   The 'mdhd' QTAtom class.
+
+#ifndef QTAtom_mdhd_H
+#define QTAtom_mdhd_H
+
+
+//
+// Includes
+#include "OSHeaders.h"
+
+#include "QTFile.h"
+#include "QTAtom.h"
+
+
+//
+// QTAtom class
+class QTAtom_mdhd : public QTAtom {
+
+public:
+    //
+    // Constructors and destructor.
+                        QTAtom_mdhd(QTFile * File, QTFile::AtomTOCEntry * Atom,
+                               Bool16 Debug = false, Bool16 DeepDebug = false);
+    virtual             ~QTAtom_mdhd(void);
+
+
+    //
+    // Initialization functions.
+    virtual Bool16      Initialize(void);
+
+    //
+    // Accessors.
+    inline  Float64     GetTimeScale(void) { return (Float64)fTimeScale; }
+    inline  Float64     GetTimeScaleRecip(void) { return fTimeScaleRecip; }
+
+    inline  UInt64      GetDuration(void) { return fDuration; }
+
+    //
+    // Debugging functions.
+    virtual void        DumpAtom(void);
+
+
+protected:
+    //
+    // Protected member variables.
+    UInt8       fVersion;
+    UInt32      fFlags; // 24 bits in the low 3 bytes
+    UInt64      fCreationTime, fModificationTime;
+    UInt32      fTimeScale;
+    UInt64      fDuration;
+    UInt16      fLanguage;
+    UInt16      fQuality;
+    
+    Float64     fTimeScaleRecip;
+};
+
+#endif // QTAtom_mdhd_H