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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-03-01 19:09:31 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-03-01 19:09:31 +0000
commitf2cfda2a54780868dfe0af7bd652fcd4906547da (patch)
treec6ac23545528f5701818424f2af5f79ce3665e6c /src/metadata/m4a/mp4mdiabox.cpp
downloadsoundkonverter-f2cfda2a54780868dfe0af7bd652fcd4906547da.tar.gz
soundkonverter-f2cfda2a54780868dfe0af7bd652fcd4906547da.zip
Added KDE3 version of SoundKonverter
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/soundkonverter@1097614 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ copyright : (C) 2002, 2003, 2006 by Jochen Issing
+ email : jochen.issing@isign-softart.de
+ ***************************************************************************/
+
+/***************************************************************************
+ * 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;
+
+ }
+}