diff options
author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-03-01 19:09:31 +0000 |
---|---|---|
committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-03-01 19:09:31 +0000 |
commit | f2cfda2a54780868dfe0af7bd652fcd4906547da (patch) | |
tree | c6ac23545528f5701818424f2af5f79ce3665e6c /src/metadata/m4a/mp4stsdbox.cpp | |
download | soundkonverter-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
Diffstat (limited to 'src/metadata/m4a/mp4stsdbox.cpp')
-rw-r--r-- | src/metadata/m4a/mp4stsdbox.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/metadata/m4a/mp4stsdbox.cpp b/src/metadata/m4a/mp4stsdbox.cpp new file mode 100644 index 0000000..6bb8cbe --- /dev/null +++ b/src/metadata/m4a/mp4stsdbox.cpp @@ -0,0 +1,91 @@ +/*************************************************************************** + 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 "mp4stsdbox.h" +#include "mp4audiosampleentry.h" +#include "mp4file.h" + +using namespace TagLib; + +class MP4::Mp4StsdBox::Mp4StsdBoxPrivate +{ +public: + //! the handler type for the current trak + MP4::Fourcc handler_type; + //! the audio sample entry + MP4::Mp4AudioSampleEntry* audioSampleEntry; +}; // class Mp4StsdBoxPrivate + +MP4::Mp4StsdBox::Mp4StsdBox( TagLib::File* file, MP4::Fourcc fourcc, TagLib::uint size, long offset ) + : Mp4IsoFullBox( file, fourcc, size, offset ) +{ + d = new MP4::Mp4StsdBox::Mp4StsdBoxPrivate(); +} + +MP4::Mp4StsdBox::~Mp4StsdBox() +{ + delete d; +} + +void MP4::Mp4StsdBox::setHandlerType( MP4::Fourcc fourcc ) +{ + d->handler_type = fourcc; +} + +void MP4::Mp4StsdBox::parse() +{ + MP4::File* mp4file = dynamic_cast<MP4::File*>( file() ); + if(!mp4file) + return; + + TagLib::uint totalsize = 12; // initial size of box + + // check for handler type - only parse if 'soun': + if( static_cast<TagLib::uint>(d->handler_type) == 0x736f756e ) + { + // read entry count + TagLib::uint entry_count; + if(!mp4file->readInt( entry_count )) + return; + + // simply read first entry and skip all following + // read size and type + TagLib::uint cursize; + MP4::Fourcc fourcc; + if( !mp4file->readSizeAndType( cursize, fourcc )) + return; + + totalsize += 12; + // alocate an AudioSampleEntry + d->audioSampleEntry = new MP4::Mp4AudioSampleEntry( mp4file, fourcc, cursize, mp4file->tell() ); + // parse the AudioSampleEntry + d->audioSampleEntry->parse(); + totalsize += cursize-8; + // skip the remaining box contents + mp4file->seek( size()-totalsize, TagLib::File::Current ); + } + else + { + mp4file->seek( size()-totalsize, TagLib::File::Current ); + } +} |