1 files changed, 93 insertions, 0 deletions
diff --git a/src/metadata/m4a/itunestrknbox.cpp b/src/metadata/m4a/itunestrknbox.cpp
new file mode 100644
index 0000000..f8d36cb
--- /dev/null
+++ b/src/metadata/m4a/itunestrknbox.cpp
@@ -0,0 +1,93 @@
+/***************************************************************************
+    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 <iostream>
+#include "itunestrknbox.h"
+#include "itunesdatabox.h"
+#include "mp4isobox.h"
+#include "mp4file.h"
+#include "tfile.h"
+#include "mp4tagsproxy.h"
+
+using namespace TagLib;
+
+class MP4::ITunesTrknBox::ITunesTrknBoxPrivate
+{
+public:
+  ITunesDataBox* dataBox;
+};
+
+MP4::ITunesTrknBox::ITunesTrknBox( TagLib::File* file, MP4::Fourcc fourcc, uint size, long offset )
+	:Mp4IsoBox(file, fourcc, size, offset)
+{
+  d = new MP4::ITunesTrknBox::ITunesTrknBoxPrivate();
+  d->dataBox = 0;
+}
+
+MP4::ITunesTrknBox::~ITunesTrknBox()
+{
+  if( d->dataBox != 0 )
+    delete d->dataBox;
+  delete d;
+}
+
+//! parse the content of the box
+void MP4::ITunesTrknBox::parse()
+{
+  TagLib::MP4::File* mp4file = static_cast<MP4::File*>( file() );
+
+  // parse data box
+  TagLib::uint size;
+  MP4::Fourcc  fourcc;
+
+  if(mp4file->readSizeAndType( size, fourcc ) == true)
+  {
+    // check for type - must be 'data'
+    if( fourcc != MP4::Fourcc("data") )
+    {
+      std::cerr << "bad atom in itunes tag - skipping it." << std::endl;
+      // jump over data tag
+      mp4file->seek( size-8, TagLib::File::Current );
+      return;
+    }
+    d->dataBox = new ITunesDataBox( mp4file, fourcc, size, mp4file->tell() );
+    d->dataBox->parsebox();
+  }
+  else
+  {
+    // reading unsuccessful - serious error!
+    std::cerr << "Error in parsing ITunesTrknBox - serious Error in taglib!" << std::endl;
+    return;
+  }
+  // register data box
+  mp4file->tagProxy()->registerBox( Mp4TagsProxy::trackno, d->dataBox );
+
+#if 0
+  // get data pointer - just for debugging...
+  TagLib::ByteVector trknData = d->dataBox->data();
+  TagLib::String trknumber = TagLib::String::number( static_cast<int>( static_cast<unsigned char>(trknData[0]) << 24 |
+	                                                               static_cast<unsigned char>(trknData[1]) << 16 |
+								       static_cast<unsigned char>(trknData[2]) <<  8 |
+								       static_cast<unsigned char>(trknData[3]) ) );
+  std::cout << "Content of tracknumber box: " << trknumber << std::endl;
+#endif
+}
+