1 files changed, 111 insertions, 0 deletions
diff --git a/src/metadata/m4a/mp4mdiabox.cpp b/src/metadata/m4a/mp4mdiabox.cpp
new file mode 100644
index 0000000..c3b30ad
--- /dev/null
+++ b/src/metadata/m4a/mp4mdiabox.cpp
@@ -0,0 +1,111 @@
+/***************************************************************************
+    copyright            : (C) 2002, 2003, 2006 by Jochen Issing
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#include "tlist.h"
+#include <iostream>
+#include "mp4mdiabox.h"
+#include "mp4hdlrbox.h"
+#include "mp4minfbox.h"
+#include "boxfactory.h"
+#include "mp4file.h"
+
+using namespace TagLib;
+
+class MP4::Mp4MdiaBox::Mp4MdiaBoxPrivate
+{
+public:
+  //! container for all boxes in mdia box
+  TagLib::List<Mp4IsoBox*> mdiaBoxes;
+  //! a box factory for creating the appropriate boxes
+  MP4::BoxFactory        boxfactory;
+}; // class Mp4MdiaBoxPrivate
+
+MP4::Mp4MdiaBox::Mp4MdiaBox( TagLib::File* file, MP4::Fourcc fourcc, TagLib::uint size, long offset )
+	: Mp4IsoBox( file, fourcc, size, offset )
+{
+  d = new MP4::Mp4MdiaBox::Mp4MdiaBoxPrivate();
+}
+
+MP4::Mp4MdiaBox::~Mp4MdiaBox()
+{
+  TagLib::List<Mp4IsoBox*>::Iterator delIter;
+  for( delIter  = d->mdiaBoxes.begin();
+       delIter != d->mdiaBoxes.end();
+       delIter++ )
+  {
+    delete *delIter;
+  }
+  delete d;
+}
+
+void MP4::Mp4MdiaBox::parse()
+{
+  TagLib::MP4::File* mp4file = static_cast<MP4::File*>( file() );
+
+  TagLib::uint totalsize = 8;
+  // parse all contained boxes
+  TagLib::uint size;
+  MP4::Fourcc  fourcc;
+
+  // stores the current handler type
+  TagLib::MP4::Fourcc hdlrtype;
+
+  while( (mp4file->readSizeAndType( size, fourcc ) == true)  )
+  {
+    totalsize += size;
+
+    // check for errors
+    if( totalsize > MP4::Mp4IsoBox::size() )
+    {
+      std::cerr << "Error in mp4 file " << mp4file->name() << " mdia box contains bad box with name: " << fourcc.toString() << std::endl;
+      return;
+    }
+
+    // create the appropriate subclass and parse it
+    MP4::Mp4IsoBox* curbox = d->boxfactory.createInstance( mp4file, fourcc, size, mp4file->tell() );
+    if( static_cast<TagLib::uint>( fourcc ) == 0x6d696e66 /*"minf"*/ )
+    {
+      // cast to minf
+      Mp4MinfBox* minfbox = dynamic_cast<Mp4MinfBox*>( curbox );
+      if(!minfbox)
+	return;
+      // set handler type
+      minfbox->setHandlerType( hdlrtype );
+    }
+
+    curbox->parsebox();
+    d->mdiaBoxes.append( curbox );
+
+    if(static_cast<TagLib::uint>( fourcc ) == 0x68646c72 /*"hdlr"*/ )
+    {
+      // cast to hdlr box
+      Mp4HdlrBox* hdlrbox = dynamic_cast<Mp4HdlrBox*>( curbox );
+      if(!hdlrbox)
+	return;
+      // get handler type
+      hdlrtype = hdlrbox->hdlr_type();
+    }
+    // check for end of mdia box
+    if( totalsize == MP4::Mp4IsoBox::size() )
+      break;
+
+  }
+}