Added abandoned KDE3 version of K3B

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

50 files changed, 4558 insertions, 0 deletions

diff --git a/plugins/decoder/Makefile.am b/plugins/decoder/Makefile.am
new file mode 100644
index 0000000..1b4eafa
--- /dev/null
+++ b/plugins/decoder/Makefile.am
@@ -0,0 +1,26 @@
+
+if include_OGG
+DECOGGDIR = ogg
+endif
+
+if include_MP3
+DECMP3DIR = mp3
+endif
+
+if include_FLAC
+DECFLACDIR = flac
+endif
+
+if include_AIFF
+DECAIFFDIR = libsndfile
+endif
+
+if include_FFMPEG
+FFMPEGDIR = ffmpeg
+endif
+
+if include_MPC
+MPCDIR = musepack
+endif
+
+SUBDIRS = wave $(DECOGGDIR) $(DECMP3DIR) $(DECFLACDIR) $(DECAIFFDIR) $(FFMPEGDIR) $(MPCDIR)
diff --git a/plugins/decoder/ffmpeg/Makefile.am b/plugins/decoder/ffmpeg/Makefile.am
new file mode 100644
index 0000000..b4c46e2
--- /dev/null
+++ b/plugins/decoder/ffmpeg/Makefile.am
@@ -0,0 +1,15 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/core -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3bdevice $(all_includes)
+KDE_CXXFLAGS = -D__STDC_CONSTANT_MACROS
+
+kde_module_LTLIBRARIES = libk3bffmpegdecoder.la
+
+libk3bffmpegdecoder_la_SOURCES = k3bffmpegdecoder.cpp k3bffmpegwrapper.cpp
+
+libk3bffmpegdecoder_la_LIBADD = ../../../libk3b/libk3b.la $(LIB_KDEUI) -lavcodec -lavformat
+libk3bffmpegdecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bffmpegdecoder.plugin
+
+METASOURCES = AUTO
+
diff --git a/plugins/decoder/ffmpeg/configure.in.bot b/plugins/decoder/ffmpeg/configure.in.bot
new file mode 100644
index 0000000..3d24645
--- /dev/null
+++ b/plugins/decoder/ffmpeg/configure.in.bot
@@ -0,0 +1,25 @@
+echo ""
+
+echo "K3b - FFMpeg decoder plugin (decodes wma and others):"
+if test  x$have_ffmpeg = xyes; then
+        echo "K3b -                                        yes"
+	if test x$enable_ffmpeg_all_codecs = xyes; then
+		echo "K3b -     WARNING: You enabled all codecs in the ffmpeg decoder plugin."
+		echo "K3b -              Be aware that most are not tested and track lengths"
+		echo "K3b -              will be wrong in many cases."
+	fi
+else
+        echo "K3b -                                         no"
+if test "$ac_cv_use_ffmpeg" = "yes"; then
+	if test "$ffmpeg_compiles" = "yes"; then
+		echo "K3b -     You are missing the ffmpeg libraries."
+		echo "K3b -     Make sure ffmpeg has been configured as a"
+		echo "K3b -     shared library (which is not the default)."
+	else
+		echo "K3b -     You are missing the ffmpeg headers and libraries"
+		echo "K3b -     version 0.4.9 or higher."
+	fi
+	echo "K3b -     The ffmpeg audio decoding plugin (decodes wma and"
+	echo "K3b -     others) won't be compiled."
+fi
+fi
diff --git a/plugins/decoder/ffmpeg/configure.in.in b/plugins/decoder/ffmpeg/configure.in.in
new file mode 100644
index 0000000..84b345a
--- /dev/null
+++ b/plugins/decoder/ffmpeg/configure.in.in
@@ -0,0 +1,68 @@
+dnl --------------- FFMPEG CHECK ---------------------------------
+
+AC_ARG_WITH(
+	ffmpeg, 
+	AS_HELP_STRING(
+		[--without-ffmpeg], 
+		[build K3b without ffmpeg audio decoder support (default=no)]),
+	[ac_cv_use_ffmpeg=$withval], 
+	[ac_cv_use_ffmpeg=yes]
+)
+
+#
+# The ffmpeg decoder plugin needs ffmpeg 0.4.9 or higher
+#
+have_ffmpeg=no
+if test "$ac_cv_use_ffmpeg" = "yes"; then
+	k3b_cxxflags_save="$CXXFLAGS"
+	CXXFLAGS="$CXXFLAGS -D__STDC_CONSTANT_MACROS"
+	AC_MSG_CHECKING(for ffmpeg >= 0.4.9)
+	AC_LANG_SAVE
+	AC_LANG_CPLUSPLUS
+	AC_COMPILE_IFELSE( 
+		extern "C" {
+		#include <libavformat/avformat.h>
+		#include <libavcodec/avcodec.h>
+		}
+
+		int main() {
+		  AVFormatContext* fc = 0;
+		  AVPacket* p = 0;
+		  av_register_all();
+		  return av_read_frame( fc, p );
+		},
+	[ffmpeg_compiles=yes], [ffmpeg_compiles=no] )
+	OLD_LIBS=$LIBS
+	LIBS="-lavformat -lavcodec $LIBS"
+	AC_LINK_IFELSE( 
+		extern "C" {
+		#include <libavformat/avformat.h>
+		#include <libavcodec/avcodec.h>
+		}
+
+		int main() {
+		  AVFormatContext* fc = 0;
+		  AVPacket* p = 0;
+		  av_register_all();
+		  return av_read_frame( fc, p );
+		},
+	[ffmpeg_links=yes], [ffmpeg_links=no] )
+	AC_LANG_RESTORE
+	LIBS=$OLD_LIBS
+	have_ffmpeg=$ffmpeg_links
+	AC_MSG_RESULT($have_ffmpeg)
+	CXXFLAGS=$k3b_cxxflags_save
+fi
+AM_CONDITIONAL(include_FFMPEG, [test x$have_ffmpeg = xyes])
+
+dnl --------------- FFMPEG CHECK END ------------------------------
+
+AC_ARG_ENABLE(
+	ffmpeg-all-codecs, 
+	AS_HELP_STRING(
+		[--enable-ffmpeg-all-codecs], 
+		[Build K3b's ffmeg decoder plugin with all audio codecs enabled (default=disabled)]),
+	[AC_DEFINE(K3B_FFMPEG_ALL_CODECS, 1, [Defined if all ffmpeg codecs should be allowed])
+	 enable_ffmpeg_all_codecs=yes], 
+	[enable_ffmpeg_all_codecs=no]
+)
diff --git a/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp b/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp
new file mode 100644
index 0000000..fd47c52
--- /dev/null
+++ b/plugins/decoder/ffmpeg/k3bffmpegdecoder.cpp
@@ -0,0 +1,155 @@
+/* 
+ *
+ * $Id: k3bffmpegdecoder.cpp 641798 2007-03-12 16:07:10Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bffmpegdecoder.h"
+#include "k3bffmpegwrapper.h"
+
+#include <kdebug.h>
+#include <k3bpluginfactory.h>
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+}
+
+#include <math.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3bffmpegdecoder, K3bPluginFactory<K3bFFMpegDecoderFactory>( "k3bffmpegdecoder" ) )
+
+
+K3bFFMpegDecoderFactory::K3bFFMpegDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bFFMpegDecoderFactory::~K3bFFMpegDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bFFMpegDecoderFactory::createDecoder( QObject* parent, 
+							 const char* name ) const
+{
+  return new K3bFFMpegDecoder( parent, name );
+}
+
+
+bool K3bFFMpegDecoderFactory::canDecode( const KURL& url )
+{
+  K3bFFMpegFile* file = K3bFFMpegWrapper::instance()->open( url.path() );
+  if( file ) {
+    delete file;
+    return true;
+  }
+  else {
+    return false;
+  }
+}
+
+
+
+
+
+
+K3bFFMpegDecoder::K3bFFMpegDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name ),
+    m_file(0)
+{
+}
+
+
+K3bFFMpegDecoder::~K3bFFMpegDecoder()
+{
+}
+
+
+QString K3bFFMpegDecoder::fileType() const
+{
+  return m_type;
+}
+
+
+bool K3bFFMpegDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  m_file = K3bFFMpegWrapper::instance()->open( filename() );
+  if( m_file ) {
+
+    // TODO: call addTechnicalInfo
+
+    addMetaInfo( META_TITLE, m_file->title() );
+    addMetaInfo( META_ARTIST, m_file->author() );
+    addMetaInfo( META_COMMENT, m_file->comment() );
+
+    samplerate = m_file->sampleRate();
+    ch = m_file->channels();
+    m_type = m_file->typeComment();
+    frames = m_file->length();
+
+    // ffmpeg's length information is not reliable at all
+    // so we have to decode the whole file in order to get the correct length
+//     char buffer[10*2048];
+//     int len = 0;
+//     unsigned long long bytes = 0;
+//     while( ( len = m_file->read( buffer, 10*2048 ) ) > 0 )
+//       bytes += len;
+    
+//     frames = (unsigned long)ceil((double)bytes/2048.0);
+
+    // cleanup;
+    delete m_file;
+    m_file = 0;
+
+    return true;
+  }
+  else
+    return false;
+}
+
+
+bool K3bFFMpegDecoder::initDecoderInternal()
+{
+  if( !m_file )
+    m_file = K3bFFMpegWrapper::instance()->open( filename() );
+
+  return (m_file != 0);
+}
+
+
+void K3bFFMpegDecoder::cleanup()
+{
+  delete m_file;
+  m_file = 0;
+}
+
+
+bool K3bFFMpegDecoder::seekInternal( const K3b::Msf& msf )
+{
+  if( msf == 0 )
+    return initDecoderInternal();
+  else
+    return m_file->seek( msf );
+}
+
+
+int K3bFFMpegDecoder::decodeInternal( char* _data, int maxLen )
+{
+  return m_file->read( _data, maxLen );
+}
+
+
+#include "k3bffmpegdecoder.moc"
diff --git a/plugins/decoder/ffmpeg/k3bffmpegdecoder.h b/plugins/decoder/ffmpeg/k3bffmpegdecoder.h
new file mode 100644
index 0000000..1c21827
--- /dev/null
+++ b/plugins/decoder/ffmpeg/k3bffmpegdecoder.h
@@ -0,0 +1,67 @@
+/* 
+ *
+ * $Id: k3bffmpegdecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_FFMPEG_DECODER_H_
+#define _K3B_FFMPEG_DECODER_H_
+
+#include <k3baudiodecoder.h>
+
+class K3bFFMpegFile;
+
+
+class K3bFFMpegDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bFFMpegDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bFFMpegDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  bool multiFormatDecoder() const { return true; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3bFFMpegDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3bFFMpegDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bFFMpegDecoder();
+
+  QString fileType() const;
+
+  void cleanup();
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+  bool seekInternal( const K3b::Msf& );
+
+  int decodeInternal( char* _data, int maxLen );
+
+ private:
+  K3bFFMpegFile* m_file;
+  QString m_type;
+};
+
+#endif
diff --git a/plugins/decoder/ffmpeg/k3bffmpegdecoder.plugin b/plugins/decoder/ffmpeg/k3bffmpegdecoder.plugin
new file mode 100644
index 0000000..3592388
--- /dev/null
+++ b/plugins/decoder/ffmpeg/k3bffmpegdecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bffmpegdecoder
+Group=AudioDecoder
+Name=K3b FFMpeg Decoder
+Author=Sebastian Trueg
[email protected]
+Version=0.9.1
+Comment=Decoding module to decode wma files
+License=GPL
diff --git a/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp b/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
new file mode 100644
index 0000000..514fd67
--- /dev/null
+++ b/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
@@ -0,0 +1,375 @@
+/* 
+ *
+ * $Id: k3bffmpegwrapper.cpp 641819 2007-03-12 17:29:23Z trueg $
+ * Copyright (C) 2004-2007 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bffmpegwrapper.h"
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+}
+
+#include <string.h>
+
+#include <klocale.h>
+
+
+#if LIBAVFORMAT_BUILD < 4629
+#define FFMPEG_BUILD_PRE_4629
+#endif
+
+
+K3bFFMpegWrapper* K3bFFMpegWrapper::s_instance = 0;
+
+
+class K3bFFMpegFile::Private
+{
+public:
+  AVFormatContext* formatContext;
+  AVCodec* codec;
+
+  K3b::Msf length;
+
+  // for decoding
+  char outputBuffer[AVCODEC_MAX_AUDIO_FRAME_SIZE];
+  char* outputBufferPos;
+  int outputBufferSize;
+  AVPacket packet;
+  Q_UINT8* packetData;
+  int packetSize;
+};
+
+
+K3bFFMpegFile::K3bFFMpegFile( const QString& filename )
+  : m_filename(filename)
+{
+  d = new Private;
+  d->formatContext = 0;
+  d->codec = 0;
+}
+
+
+K3bFFMpegFile::~K3bFFMpegFile()
+{
+  close();
+  delete d;
+}
+
+
+bool K3bFFMpegFile::open()
+{
+  close();
+
+  // open the file
+  int err = av_open_input_file( &d->formatContext, m_filename.local8Bit(), 0, 0, 0 );
+  if( err < 0 ) {
+    kdDebug() << "(K3bFFMpegFile) unable to open " << m_filename << " with error " << err << endl;
+    return false;
+  }
+
+  // analyze the streams
+  av_find_stream_info( d->formatContext );
+
+  // we only handle files containing one audio stream
+  if( d->formatContext->nb_streams != 1 ) {
+    kdDebug() << "(K3bFFMpegFile) more than one stream in " << m_filename << endl;
+    return false;
+  }
+
+  // urgh... ugly
+#ifdef FFMPEG_BUILD_PRE_4629
+  AVCodecContext* codecContext =  &d->formatContext->streams[0]->codec;
+#else
+  AVCodecContext* codecContext =  d->formatContext->streams[0]->codec;
+#endif
+  if( codecContext->codec_type != CODEC_TYPE_AUDIO ) {
+    kdDebug() << "(K3bFFMpegFile) not a simple audio stream: " << m_filename << endl;
+    return false;
+  }
+
+  // get the codec
+  d->codec = avcodec_find_decoder(codecContext->codec_id);
+  if( !d->codec ) {
+    kdDebug() << "(K3bFFMpegFile) no codec found for " << m_filename << endl;
+    return false;
+  }
+
+  // open the codec on our context
+  kdDebug() << "(K3bFFMpegFile) found codec for " << m_filename << endl;
+  if( avcodec_open( codecContext, d->codec ) < 0 ) {
+    kdDebug() << "(K3bFFMpegDecoderFactory) could not open codec." << endl;
+    return false;
+  }
+
+  // determine the length of the stream
+  d->length = K3b::Msf::fromSeconds( (double)d->formatContext->duration / (double)AV_TIME_BASE );
+
+  if( d->length == 0 ) {
+    kdDebug() << "(K3bFFMpegDecoderFactory) invalid length." << endl;
+    return false;
+  }
+
+  // dump some debugging info
+  dump_format( d->formatContext, 0, m_filename.local8Bit(), 0 );
+
+  return true;
+}
+
+
+void K3bFFMpegFile::close()
+{
+  d->outputBufferSize = 0;
+  d->packetSize = 0;
+  d->packetData = 0;
+
+  if( d->codec ) {
+#ifdef FFMPEG_BUILD_PRE_4629
+    avcodec_close( &d->formatContext->streams[0]->codec );
+#else
+    avcodec_close( d->formatContext->streams[0]->codec );
+#endif
+    d->codec = 0;
+  }
+
+  if( d->formatContext ) {
+    av_close_input_file( d->formatContext );
+    d->formatContext = 0;
+  }
+}
+
+
+K3b::Msf K3bFFMpegFile::length() const
+{
+  return d->length;
+}
+
+
+int K3bFFMpegFile::sampleRate() const
+{
+#ifdef FFMPEG_BUILD_PRE_4629
+  return d->formatContext->streams[0]->codec.sample_rate;
+#else
+  return d->formatContext->streams[0]->codec->sample_rate;
+#endif
+}
+
+
+int K3bFFMpegFile::channels() const
+{
+#ifdef FFMPEG_BUILD_PRE_4629
+  return d->formatContext->streams[0]->codec.channels;
+#else
+  return d->formatContext->streams[0]->codec->channels;
+#endif
+}
+
+
+int K3bFFMpegFile::type() const
+{
+#ifdef FFMPEG_BUILD_PRE_4629
+  return d->formatContext->streams[0]->codec.codec_id;
+#else
+  return d->formatContext->streams[0]->codec->codec_id;
+#endif
+}
+
+
+QString K3bFFMpegFile::typeComment() const
+{
+  switch( type() ) {
+  case CODEC_ID_WMAV1:
+    return i18n("Windows Media v1");
+  case CODEC_ID_WMAV2:
+    return i18n("Windows Media v2");
+  case CODEC_ID_MP3:
+    return i18n("MPEG 1 Layer III");
+  case CODEC_ID_AAC:
+    return i18n("Advanced Audio Coding (AAC)");
+  default:
+    return QString::fromLocal8Bit( d->codec->name );
+  }
+}
+
+
+QString K3bFFMpegFile::title() const
+{
+  // FIXME: is this UTF8 or something??
+  if( d->formatContext->title[0] != '\0' )
+    return QString::fromLocal8Bit( d->formatContext->title );
+  else
+    return QString::null;
+}
+
+
+QString K3bFFMpegFile::author() const
+{
+  // FIXME: is this UTF8 or something??
+  if( d->formatContext->author[0] != '\0' )
+    return QString::fromLocal8Bit( d->formatContext->author );
+  else
+    return QString::null;
+}
+
+
+QString K3bFFMpegFile::comment() const
+{
+  // FIXME: is this UTF8 or something??
+  if( d->formatContext->comment[0] != '\0' )
+    return QString::fromLocal8Bit( d->formatContext->comment );
+  else
+    return QString::null;
+}
+
+
+int K3bFFMpegFile::read( char* buf, int bufLen )
+{
+  if( fillOutputBuffer() > 0 ) {
+    int len = QMIN(bufLen, d->outputBufferSize);
+    ::memcpy( buf, d->outputBufferPos, len );
+
+    // TODO: only swap if needed
+    for( int i = 0; i < len-1; i+=2 ) {
+      char a = buf[i];
+      buf[i] = buf[i+1];
+      buf[i+1] = a;
+    }
+
+    d->outputBufferPos += len;
+    d->outputBufferSize -= len;
+    return len;
+  }
+  else
+    return 0;
+}
+
+
+// fill d->packetData with data to decode
+int K3bFFMpegFile::readPacket()
+{
+  if( d->packetSize <= 0 ) {
+    av_init_packet( &d->packet );
+
+    if( av_read_frame( d->formatContext, &d->packet ) < 0 ) {
+      return 0;
+    }
+
+    d->packetSize = d->packet.size;
+    d->packetData = d->packet.data;
+  }
+
+  return d->packetSize;
+}
+
+
+// decode data in d->packetData and fill d->outputBuffer
+int K3bFFMpegFile::fillOutputBuffer()
+{
+  // decode if the output buffer is empty
+  if( d->outputBufferSize <= 0 ) {
+
+    // make sure we have data to decode
+    if( readPacket() == 0 ) {
+      return 0;
+    }
+
+    d->outputBufferPos = d->outputBuffer;
+
+#ifdef FFMPEG_BUILD_PRE_4629
+    int len = avcodec_decode_audio2( &d->formatContext->streams[0]->codec,
+#else
+    int len = avcodec_decode_audio2( d->formatContext->streams[0]->codec,
+#endif
+				    (short*)d->outputBuffer, &d->outputBufferSize,
+				    d->packetData, d->packetSize );
+
+    d->packetSize -= len;
+    d->packetData += len;
+
+    if( d->packetSize <= 0 )
+      av_free_packet( &d->packet );
+  }
+
+  // if it is still empty try again
+  if( d->outputBufferSize <= 0 )
+    return fillOutputBuffer();
+  else
+    return d->outputBufferSize;
+}
+
+
+bool K3bFFMpegFile::seek( const K3b::Msf& msf )
+{
+  d->outputBufferSize = 0;
+  d->packetSize = 0;
+
+  double seconds = (double)msf.totalFrames()/75.0;
+  Q_UINT64 timestamp = (Q_UINT64)(seconds * (double)AV_TIME_BASE);
+
+  // FIXME: do we really need the start_time and why?
+#if LIBAVFORMAT_BUILD >= 4619
+  return ( av_seek_frame( d->formatContext, -1, timestamp + d->formatContext->start_time, 0 ) >= 0 );
+#else
+  return ( av_seek_frame( d->formatContext, -1, timestamp + d->formatContext->start_time ) >= 0 );
+#endif
+}
+
+
+
+
+
+
+K3bFFMpegWrapper::K3bFFMpegWrapper()
+{
+  av_register_all();
+}
+
+
+K3bFFMpegWrapper::~K3bFFMpegWrapper()
+{
+  s_instance = 0;
+}
+
+
+K3bFFMpegWrapper* K3bFFMpegWrapper::instance()
+{
+  if( !s_instance ) {
+    s_instance = new K3bFFMpegWrapper();
+  }
+
+  return s_instance;
+}
+
+
+K3bFFMpegFile* K3bFFMpegWrapper::open( const QString& filename ) const
+{
+  K3bFFMpegFile* file = new K3bFFMpegFile( filename );
+  if( file->open() ) {
+#ifndef K3B_FFMPEG_ALL_CODECS
+    //
+    // only allow tested formats. ffmpeg seems not to be too reliable with every format.
+    // mp3 being one of them sadly. Most importantly: allow the libsndfile decoder to do
+    // its thing.
+    //
+    if( file->type() == CODEC_ID_WMAV1 ||
+	file->type() == CODEC_ID_WMAV2 ||
+	file->type() == CODEC_ID_AAC )
+#endif
+      return file;
+  }
+
+  delete file;
+  return 0;
+}
diff --git a/plugins/decoder/ffmpeg/k3bffmpegwrapper.h b/plugins/decoder/ffmpeg/k3bffmpegwrapper.h
new file mode 100644
index 0000000..63b5f58
--- /dev/null
+++ b/plugins/decoder/ffmpeg/k3bffmpegwrapper.h
@@ -0,0 +1,85 @@
+/* 
+ *
+ * $Id: k3bffmpegwrapper.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_FFMPEG_WRAPPER_H_
+#define _K3B_FFMPEG_WRAPPER_H_
+
+#include <k3bmsf.h>
+
+
+
+/**
+ * Create with K3bFFMpegWrapper::open
+ */
+class K3bFFMpegFile
+{
+  friend class K3bFFMpegWrapper;
+
+ public:
+  ~K3bFFMpegFile();
+
+  const QString& filename() const { return m_filename; }
+
+  bool open();
+  void close();
+
+  K3b::Msf length() const;
+  int sampleRate() const;
+  int channels() const;
+
+  /**
+   * ffmpeg internal enumeration
+   */
+  int type() const;
+  QString typeComment() const;
+
+  QString title() const;
+  QString author() const;
+  QString comment() const;
+
+  int read( char* buf, int bufLen );
+  bool seek( const K3b::Msf& );
+
+ private:
+  K3bFFMpegFile( const QString& filename );
+  int readPacket();
+  int fillOutputBuffer();
+
+  QString m_filename;
+
+  class Private;
+  Private* d;
+};
+
+
+class K3bFFMpegWrapper
+{
+ public:
+  ~K3bFFMpegWrapper();
+
+  /**
+   * returns 0 on failure.
+   */
+  K3bFFMpegFile* open( const QString& filename ) const;
+
+  static K3bFFMpegWrapper* instance();
+
+ private:
+  K3bFFMpegWrapper();
+
+  static K3bFFMpegWrapper* s_instance;
+};
+
+#endif
diff --git a/plugins/decoder/flac/Makefile.am b/plugins/decoder/flac/Makefile.am
new file mode 100644
index 0000000..bdcc4a3
--- /dev/null
+++ b/plugins/decoder/flac/Makefile.am
@@ -0,0 +1,13 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3bdevice -I$(srcdir)/../../../libk3b/core $(taglib_includes) $(all_includes)
+
+kde_module_LTLIBRARIES = libk3bflacdecoder.la
+
+libk3bflacdecoder_la_SOURCES = k3bflacdecoder.cpp
+
+libk3bflacdecoder_la_LIBADD = ../../../libk3b/libk3b.la $(LIB_KDEUI) -lFLAC++ -lFLAC $(taglib_libs) 
+libk3bflacdecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bflacdecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/flac/configure.in.bot b/plugins/decoder/flac/configure.in.bot
new file mode 100644
index 0000000..f2d95a4
--- /dev/null
+++ b/plugins/decoder/flac/configure.in.bot
@@ -0,0 +1,13 @@
+echo ""
+
+if test x$have_flac = xyes; then
+	echo "K3b - FLAC support:                          yes"
+else
+	echo "K3b - FLAC support:                           no"
+if test "$ac_cv_use_flac" = "yes"; then
+	if test "$have_flac" = "no"; then
+		echo "K3b -     You are missing the FLAC++ headers and libraries."
+		echo "K3b -     The FLAC decoding plugin won't be compiled."
+	fi
+fi
+fi
diff --git a/plugins/decoder/flac/configure.in.in b/plugins/decoder/flac/configure.in.in
new file mode 100644
index 0000000..e6a3700
--- /dev/null
+++ b/plugins/decoder/flac/configure.in.in
@@ -0,0 +1,41 @@
+dnl === test for FLAC++ and FLAC - begin ====
+AC_ARG_WITH(
+	flac, 
+	AS_HELP_STRING([--without-flac], [build K3b without FLAC support (default=no)]), 
+	[ac_cv_use_flac=$withval], 
+	[ac_cv_use_flac=yes]
+)
+
+have_flac=no
+if test "$ac_cv_use_flac" = "yes"; then
+  KDE_CHECK_HEADERS(FLAC++/decoder.h, [
+     AC_CHECK_LIB(FLAC,FLAC__stream_decoder_process_single,
+	        have_flac=yes,[],$all_libraries)])
+
+    AC_MSG_CHECKING(for libFLAC newer than 1.1.1)
+    AC_CACHE_VAL(k3b_flac_new,
+    [
+	AC_LANG_SAVE
+	AC_LANG_CPLUSPLUS
+	AC_TRY_COMPILE(
+	[
+		#include <FLAC++/metadata.h>
+	], [
+		FLAC::Metadata::VorbisComment* vc;
+		vc->get_vendor_string().get_field();
+	], k3b_flac_new=no, k3b_flac_new=yes )
+	AC_LANG_RESTORE
+    ])
+    AC_MSG_RESULT($k3b_flac_new)
+    if test $k3b_flac_new = yes; then
+	AC_DEFINE(FLAC_NEWER_THAN_1_1_1, 
+		1,
+		[Define to 1 if your flac library's version is newer than or equal to 1.1.2]
+	)
+    fi
+else
+    have_flac=no
+fi
+
+AM_CONDITIONAL(include_FLAC, [test x$have_flac = xyes])
+dnl === test for FLAC++ and FLAC - end ====
diff --git a/plugins/decoder/flac/k3bflacdecoder.cpp b/plugins/decoder/flac/k3bflacdecoder.cpp
new file mode 100644
index 0000000..762403f
--- /dev/null
+++ b/plugins/decoder/flac/k3bflacdecoder.cpp
@@ -0,0 +1,494 @@
+/* 
+ * FLAC decoder module for K3b.
+ * Based on the Ogg Vorbis module for same.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ * Copyright (C) 2003-2004 John Steele Scott <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bflacdecoder.h"
+
+#include <k3bpluginfactory.h>
+
+#include <qbuffer.h>
+#include <qfile.h>
+#include <qstringlist.h>
+
+#include <kurl.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <string.h>
+#include <math.h>
+#include <FLAC++/metadata.h>
+#include <FLAC++/decoder.h>
+
+#ifdef HAVE_TAGLIB
+#include <taglib/tag.h>
+#include <taglib/flacfile.h>
+#endif
+
+#if !defined FLACPP_API_VERSION_CURRENT || FLACPP_API_VERSION_CURRENT < 6
+#define LEGACY_FLAC
+#else
+#undef LEGACY_FLAC
+#endif
+
+K_EXPORT_COMPONENT_FACTORY( libk3bflacdecoder, K3bPluginFactory<K3bFLACDecoderFactory>( "libk3bflacdecoder" ) )
+
+
+class K3bFLACDecoder::Private
+#ifdef LEGACY_FLAC
+  : public FLAC::Decoder::SeekableStream
+#else
+  : public FLAC::Decoder::Stream
+#endif
+{
+public:
+  void open(QFile* f) {
+    file = f;
+    file->open(IO_ReadOnly);
+    
+    internalBuffer->flush();
+    
+    set_metadata_respond(FLAC__METADATA_TYPE_STREAMINFO);
+    set_metadata_respond(FLAC__METADATA_TYPE_VORBIS_COMMENT);
+
+    init();
+    process_until_end_of_metadata();
+  }
+
+  void cleanup() {
+    file->close();
+    finish();
+    delete comments;
+    comments = 0;
+  }
+
+  Private(QFile* f)
+#ifdef LEGACY_FLAC
+    : FLAC::Decoder::SeekableStream(),
+#else
+    : FLAC::Decoder::Stream(),
+#endif
+      comments(0) {
+    internalBuffer = new QBuffer();
+    internalBuffer->open(IO_ReadWrite);
+
+    open(f);
+  }
+  
+
+  ~Private() {
+    cleanup();
+    delete internalBuffer;
+  }
+  
+  bool seekToFrame(int frame);
+
+  QFile* file;
+  QBuffer* internalBuffer;
+  FLAC::Metadata::VorbisComment* comments;
+  unsigned rate;
+  unsigned channels;
+  unsigned bitsPerSample;
+  unsigned maxFramesize;
+  unsigned maxBlocksize;
+  unsigned minFramesize;
+  unsigned minBlocksize;
+  FLAC__uint64 samples;
+  
+protected:
+#ifdef LEGACY_FLAC
+  virtual FLAC__SeekableStreamDecoderReadStatus read_callback(FLAC__byte buffer[], unsigned *bytes);
+  virtual FLAC__SeekableStreamDecoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset);
+  virtual FLAC__SeekableStreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset);
+  virtual FLAC__SeekableStreamDecoderLengthStatus length_callback(FLAC__uint64 *stream_length);
+#else
+  virtual FLAC__StreamDecoderReadStatus read_callback(FLAC__byte buffer[], size_t *bytes);
+  virtual FLAC__StreamDecoderSeekStatus seek_callback(FLAC__uint64 absolute_byte_offset);
+  virtual FLAC__StreamDecoderTellStatus tell_callback(FLAC__uint64 *absolute_byte_offset);
+  virtual FLAC__StreamDecoderLengthStatus length_callback(FLAC__uint64 *stream_length);
+#endif
+  virtual bool eof_callback();
+  virtual void error_callback(FLAC__StreamDecoderErrorStatus){};
+  virtual void metadata_callback(const ::FLAC__StreamMetadata *metadata);
+  virtual ::FLAC__StreamDecoderWriteStatus write_callback(const ::FLAC__Frame *frame, const FLAC__int32 * const buffer[]);
+};
+
+bool K3bFLACDecoder::Private::seekToFrame(int frame) {
+  FLAC__uint64 sample = frame * rate / 75;
+  return seek_absolute(sample);
+}
+
+bool K3bFLACDecoder::Private::eof_callback() {
+  return file->atEnd();
+}
+
+#ifdef LEGACY_FLAC
+FLAC__SeekableStreamDecoderReadStatus K3bFLACDecoder::Private::read_callback(FLAC__byte buffer[],                                                                             unsigned *bytes) {
+  long retval =  file->readBlock((char *)buffer, (*bytes));
+  if(-1 == retval) {
+    return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR;
+  } else {
+    (*bytes) = retval;
+    return FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK;
+  }
+}
+#else
+FLAC__StreamDecoderReadStatus K3bFLACDecoder::Private::read_callback(FLAC__byte buffer[],                                                                             size_t *bytes) {
+  long retval =  file->readBlock((char *)buffer, (*bytes));
+  if(-1 == retval) {
+    return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
+  } else {
+    (*bytes) = retval;
+    return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
+  }
+}
+#endif
+
+#ifdef LEGACY_FLAC
+FLAC__SeekableStreamDecoderSeekStatus 
+K3bFLACDecoder::Private::seek_callback(FLAC__uint64 absolute_byte_offset) {
+  if(!file->at(absolute_byte_offset))
+    return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
+  else
+    return FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK;
+}
+#else
+FLAC__StreamDecoderSeekStatus 
+K3bFLACDecoder::Private::seek_callback(FLAC__uint64 absolute_byte_offset) {
+  if(file->at(absolute_byte_offset) == FALSE)
+    return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
+  else
+    return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
+}
+#endif
+
+#ifdef LEGACY_FLAC
+FLAC__SeekableStreamDecoderTellStatus 
+K3bFLACDecoder::Private::tell_callback(FLAC__uint64 *absolute_byte_offset) {
+  (*absolute_byte_offset) = file->at();
+  return FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK;
+}
+#else
+FLAC__StreamDecoderTellStatus 
+K3bFLACDecoder::Private::tell_callback(FLAC__uint64 *absolute_byte_offset) {
+  (*absolute_byte_offset) = file->at();
+  return FLAC__STREAM_DECODER_TELL_STATUS_OK;
+}
+#endif
+
+#ifdef LEGACY_FLAC
+FLAC__SeekableStreamDecoderLengthStatus 
+K3bFLACDecoder::Private::length_callback(FLAC__uint64 *stream_length) {
+  (*stream_length) = file->size();
+  return FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK;
+}
+#else
+FLAC__StreamDecoderLengthStatus 
+K3bFLACDecoder::Private::length_callback(FLAC__uint64 *stream_length) {
+  (*stream_length) = file->size();
+  return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
+}
+#endif
+
+
+void K3bFLACDecoder::Private::metadata_callback(const FLAC__StreamMetadata *metadata) {
+  switch (metadata->type) {
+  case FLAC__METADATA_TYPE_STREAMINFO:
+    channels = metadata->data.stream_info.channels;
+    rate = metadata->data.stream_info.sample_rate;
+    bitsPerSample = metadata->data.stream_info.bits_per_sample;
+    samples = metadata->data.stream_info.total_samples;
+    maxFramesize = metadata->data.stream_info.max_framesize;
+    minFramesize = metadata->data.stream_info.min_framesize;
+    maxBlocksize = metadata->data.stream_info.max_blocksize;
+    minBlocksize = metadata->data.stream_info.min_blocksize;
+    break;
+  case FLAC__METADATA_TYPE_VORBIS_COMMENT:
+    comments = new FLAC::Metadata::VorbisComment((FLAC__StreamMetadata *)metadata, true);
+    break;
+  default:
+    break;
+  }
+}
+
+FLAC__StreamDecoderWriteStatus K3bFLACDecoder::Private::write_callback(const FLAC__Frame *frame, const FLAC__int32 * const buffer[]) {
+  unsigned i, j;
+  // Note that in canDecode we made sure that the input is 1-16 bit stereo or mono.
+  unsigned samples = frame->header.blocksize;
+
+  for(i=0; i < samples; i++) {
+   // in FLAC channel 0 is left, 1 is right
+   for(j=0; j < this->channels; j++) {
+    FLAC__int32 value = (buffer[j][i])<<(16 - frame->header.bits_per_sample);
+    internalBuffer->putch(value >> 8); // msb
+    internalBuffer->putch(value & 0xFF); // lsb
+   }
+  }
+
+  // Rewind the buffer so the decode method will take data from the beginning.
+  internalBuffer->at(0);
+  return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
+}
+
+K3bFLACDecoder::K3bFLACDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  d = 0;
+}
+
+
+K3bFLACDecoder::~K3bFLACDecoder()
+{
+  delete d;
+}
+
+void K3bFLACDecoder::cleanup()
+{
+  if (d) {
+    d->cleanup();
+    d->open(new QFile(filename()));
+  }
+  else
+    d = new Private(new QFile(filename()));
+}
+
+bool K3bFLACDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  cleanup();
+
+  frames = (unsigned long)ceil((d->samples * 75.0)/d->rate);
+  samplerate = d->rate;
+  ch = d->channels;
+
+  // add meta info
+  if( d->comments != 0 ) {
+    kdDebug() << "(K3bFLACDecoder) unpacking Vorbis tags" << endl;
+    for( unsigned int i = 0; i < d->comments->get_num_comments(); ++i ) {
+      QString key = QString::fromUtf8( d->comments->get_comment(i).get_field_name(),
+                                       d->comments->get_comment(i).get_field_name_length() );
+      QString value = QString::fromUtf8( d->comments->get_comment(i).get_field_value(),
+                                         d->comments->get_comment(i).get_field_value_length() );
+
+      if( key.upper() == "TITLE" )
+        addMetaInfo( META_TITLE, value );
+      else if( key.upper() == "ARTIST" )
+        addMetaInfo( META_ARTIST, value );
+      else if( key.upper() == "DESCRIPTION" )
+        addMetaInfo( META_COMMENT, value );
+    }
+  }
+#ifdef HAVE_TAGLIB
+  if ((d->comments == 0) || (d->comments->get_num_comments() == 0)) {
+    // no Vorbis comments, check for ID3 tags
+    kdDebug() << "(K3bFLACDecoder) using taglib to read tag" << endl;
+    TagLib::FLAC::File f( QFile::encodeName(filename()) );
+    if( f.isOpen() ) {
+      addMetaInfo( META_TITLE, TStringToQString( f.tag()->title() ) );
+      addMetaInfo( META_ARTIST, TStringToQString( f.tag()->artist() ) );
+      addMetaInfo( META_COMMENT, TStringToQString( f.tag()->comment() ) );
+    }
+  }
+#endif
+
+  return true;
+}
+
+
+bool K3bFLACDecoder::initDecoderInternal()
+{
+  cleanup();
+
+  return true;
+}
+
+
+int K3bFLACDecoder::decodeInternal( char* _data, int maxLen )
+{
+  int bytesToCopy;
+  int bytesCopied;
+  int bytesAvailable;
+
+#ifdef LEGACY_FLAC
+  if(d->internalBuffer->size() == 0) {
+    // want more data
+    switch(d->get_state()) {
+    case FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:
+      d->finish();
+      break;
+    case FLAC__SEEKABLE_STREAM_DECODER_OK:
+      if(! d->process_single())
+        return -1;
+      break;
+    default:
+      return -1;
+    }
+  }
+#else
+  if(d->internalBuffer->size() == 0) {
+    // want more data
+    if(d->get_state() == FLAC__STREAM_DECODER_END_OF_STREAM)
+      d->finish();
+    else if(d->get_state() < FLAC__STREAM_DECODER_END_OF_STREAM) {
+      if(! d->process_single())
+        return -1;
+    }
+    else
+      return -1;
+  }
+#endif
+  
+  bytesAvailable = d->internalBuffer->size() - d->internalBuffer->at();
+  bytesToCopy = QMIN(maxLen, bytesAvailable);
+  bytesCopied = (int)d->internalBuffer->readBlock(_data, bytesToCopy);
+
+  if(bytesCopied == bytesAvailable) {
+    // reset the buffer
+    d->internalBuffer->close();
+    d->internalBuffer->open(IO_ReadWrite|IO_Truncate);
+  }
+
+  return bytesCopied;
+}
+
+
+bool K3bFLACDecoder::seekInternal( const K3b::Msf& pos )
+{
+  return d->seekToFrame(pos.totalFrames());
+}
+
+
+QString K3bFLACDecoder::fileType() const
+{
+  return i18n("FLAC");
+}
+
+
+QStringList K3bFLACDecoder::supportedTechnicalInfos() const
+{
+  return QStringList::split( ";", 
+                             i18n("Channels") + ";" +
+                             i18n("Sampling Rate") + ";" +
+                             i18n("Sample Size") );
+}
+
+
+QString K3bFLACDecoder::technicalInfo( const QString& info ) const
+{
+  if( d->comments != 0 ) {
+    if( info == i18n("Vendor") )
+#ifdef FLAC_NEWER_THAN_1_1_1
+      return QString::fromUtf8((char*)d->comments->get_vendor_string());
+#else
+      return QString::fromUtf8(d->comments->get_vendor_string().get_field());
+#endif
+    else if( info == i18n("Channels") )
+      return QString::number(d->channels);
+    else if( info == i18n("Sampling Rate") )
+      return i18n("%1 Hz").arg(d->rate);
+    else if( info == i18n("Sample Size") )
+      return i18n("%1 bits").arg(d->bitsPerSample);
+  }
+
+  return QString::null;
+}
+
+
+
+K3bFLACDecoderFactory::K3bFLACDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bFLACDecoderFactory::~K3bFLACDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bFLACDecoderFactory::createDecoder( QObject* parent, 
+						 const char* name ) const
+{
+  return new K3bFLACDecoder( parent, name );
+}
+
+
+bool K3bFLACDecoderFactory::canDecode( const KURL& url )
+{
+  // buffer large enough to read an ID3 tag header
+  char buf[10];
+
+  // Note: since file is created on the stack it will be closed automatically
+  // by its destructor when this method (i.e. canDecode) returns.
+  QFile file(url.path());
+
+  if(!file.open(IO_ReadOnly)) {
+    kdDebug() << "(K3bFLACDecoder) Could not open file " << url.path() << endl;
+    return false;
+  }
+
+  // look for a fLaC magic number or ID3 tag header
+  if(10 != file.readBlock(buf, 10)) {
+    kdDebug() << "(K3bFLACDecorder) File " << url.path()
+              << " is too small to be a FLAC file" << endl;
+    return false;
+  }
+
+  if(0 == memcmp(buf, "ID3", 3)) {
+    // Found ID3 tag, try and seek past it.
+    kdDebug() << "(K3bFLACDecorder) File " << url.path() << ": found ID3 tag" << endl;
+
+    // See www.id3.org for details of the header, note that the size field
+    // unpacks to 7-bit bytes, then the +10 is for the header itself.
+    int pos;
+    pos = ((buf[6]<<21)|(buf[7]<<14)|(buf[8]<<7)|buf[9]) + 10;
+
+    kdDebug() << "(K3bFLACDecoder) " << url.path() << ": seeking to " 
+              << pos << endl;
+    if(!file.at(pos)) {
+      kdDebug() << "(K3bFLACDecoder) " << url.path() << ": couldn't seek to " 
+                << pos << endl;
+      return false;
+    }else{
+      // seek was okay, try and read magic number into buf
+      if(4 != file.readBlock(buf, 4)) {
+        kdDebug() << "(K3bFLACDecorder) File " << url.path()
+                  << " has ID3 tag but naught else!" << endl;
+        return false;
+      }
+    }
+  }
+
+  if(memcmp(buf, "fLaC", 4) != 0) {
+    kdDebug() << "(K3bFLACDecoder) " << url.path() << ": not a FLAC file" << endl;
+    return false;
+  }
+
+  FLAC::Metadata::StreamInfo info = FLAC::Metadata::StreamInfo();
+  FLAC::Metadata::get_streaminfo(url.path().ascii(), info);
+
+  if((info.get_channels() <= 2) &&
+     (info.get_bits_per_sample() <= 16)) {
+    return true;
+  } else {
+    kdDebug() << "(K3bFLACDecoder) " << url.path() << ": wrong format:" << endl
+              << "                channels:    " 
+              << QString::number(info.get_channels()) << endl
+              << "                samplerate:  "
+              << QString::number(info.get_sample_rate()) << endl
+              << "                bits/sample: "
+              << QString::number(info.get_bits_per_sample()) << endl;
+    return false;
+  }
+}
+
+#include "k3bflacdecoder.moc"
diff --git a/plugins/decoder/flac/k3bflacdecoder.h b/plugins/decoder/flac/k3bflacdecoder.h
new file mode 100644
index 0000000..aace651
--- /dev/null
+++ b/plugins/decoder/flac/k3bflacdecoder.h
@@ -0,0 +1,68 @@
+/* 
+ * FLAC decoder module for K3b.
+ * Based on the Ogg Vorbis module for same.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ * Copyright (C) 2003 John Steele Scott <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+
+#ifndef _K3B_FLAC_DECODER_H_
+#define _K3B_FLAC_DECODER_H_
+
+
+#include <k3baudiodecoder.h>
+
+class KURL;
+
+
+class K3bFLACDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bFLACDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bFLACDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3bFLACDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public: 
+  K3bFLACDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bFLACDecoder();
+
+  void cleanup();
+
+  bool seekInternal( const K3b::Msf& );
+
+  QString fileType() const;
+  QStringList supportedTechnicalInfos() const;
+  QString technicalInfo( const QString& ) const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+
+  int decodeInternal( char* _data, int maxLen );
+
+ private:
+  class Private;
+  Private* d;
+};
+
+#endif
diff --git a/plugins/decoder/flac/k3bflacdecoder.plugin b/plugins/decoder/flac/k3bflacdecoder.plugin
new file mode 100644
index 0000000..1e1bcbb
--- /dev/null
+++ b/plugins/decoder/flac/k3bflacdecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bflacdecoder
+Group=AudioDecoder
+Name=K3b FLAC Decoder
+Author=John Steele Scott
[email protected]
+Version=2.1
+Comment=Decoding module to decode FLAC files
+License=GPL
diff --git a/plugins/decoder/libsndfile/Makefile.am b/plugins/decoder/libsndfile/Makefile.am
new file mode 100644
index 0000000..2af9911
--- /dev/null
+++ b/plugins/decoder/libsndfile/Makefile.am
@@ -0,0 +1,14 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/core -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3bdevice $(all_includes)
+
+kde_module_LTLIBRARIES = libk3blibsndfiledecoder.la
+
+libk3blibsndfiledecoder_la_SOURCES = k3blibsndfiledecoder.cpp
+
+libk3blibsndfiledecoder_la_LIBADD = ../../../libk3b/libk3b.la $(LIB_KDEUI) -lsndfile
+libk3blibsndfiledecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3blibsndfiledecoder.plugin
+
+METASOURCES = AUTO
+
diff --git a/plugins/decoder/libsndfile/configure.in.bot b/plugins/decoder/libsndfile/configure.in.bot
new file mode 100644
index 0000000..cf1e4e9
--- /dev/null
+++ b/plugins/decoder/libsndfile/configure.in.bot
@@ -0,0 +1,11 @@
+echo ""
+
+if $av_cv_sndfile; then
+	echo "K3b - libsndfile audio decoding support:     yes"
+else
+	echo "K3b - libsndfile audio decoding support:      no"
+if test "$ac_cv_use_sndfile" = "yes"; then
+	echo "K3b -     You are missing the libsndfile headers and libraries."
+	echo "K3b -     The libsndfile audio decoding plugin won't be compiled."
+fi
+fi
diff --git a/plugins/decoder/libsndfile/configure.in.in b/plugins/decoder/libsndfile/configure.in.in
new file mode 100644
index 0000000..e0efcc5
--- /dev/null
+++ b/plugins/decoder/libsndfile/configure.in.in
@@ -0,0 +1,52 @@
+dnl === test for libsndfile - begin ===
+dnl
+dnl Don't use PKG_CHECK, since if there is no pkg-config installed,
+dnl then there is no auto* magic for it either.
+dnl
+dnl Tests copied from kdebase/kioslave/thumbnail/
+dnl
+if test -z "$PKG_CONFIG"; then
+    AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+fi
+
+AC_ARG_WITH(
+	sndfile, 
+	AS_HELP_STRING([--without-sndfile], 
+	[build K3b without libsndfile support (default=no)]), 
+	[ac_cv_use_sndfile=$withval], 
+	[ac_cv_use_sndfile=yes]
+)
+
+if test "$ac_cv_use_sndfile" = "yes"; then
+  SNDFILE_CFLAGS=""
+  SNDFILE_LIBS=""
+  if test "$PKG_CONFIG" = "no" ; then
+      ac_cv_sndfile=0
+      echo "*** The pkg-config script could not be found. Make sure it is"
+      echo "*** in your path, or set the PKG_CONFIG environment variable"
+      echo "*** to the full path to pkg-config."
+      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
+  else
+      if !(`$PKG_CONFIG --exists sndfile`) ; then
+          echo "*** sndfile is not installed."
+          ac_cv_sndfile=0
+      else
+          if !(`$PKG_CONFIG --atleast-version="1.0.2" sndfile`) ; then
+              echo "*** You need at least version 1.0.2 of sndfile."
+              ac_cv_sndfile=0
+          else
+              ac_cv_sndfile=1
+              SNDFILE_CFLAGS=`$PKG_CONFIG --cflags sndfile`
+              SNDFILE_LIBS=`$PKG_CONFIG --libs sndfile`
+          fi
+      fi
+  fi
+
+  AC_DEFINE_UNQUOTED([HAVE_SNDFILE],${ac_cv_sndfile},
+  			[Set to 1 if you have libsndfile.])
+  AC_SUBST(SNDFILE_CFLAGS)
+  AC_SUBST(SNDFILE_LIBS)
+fi
+
+AM_CONDITIONAL(include_AIFF, [test x$ac_cv_sndfile = x1])
+dnl === test for libsndfile - end ===
diff --git a/plugins/decoder/libsndfile/k3blibsndfiledecoder.cpp b/plugins/decoder/libsndfile/k3blibsndfiledecoder.cpp
new file mode 100644
index 0000000..ea3d014
--- /dev/null
+++ b/plugins/decoder/libsndfile/k3blibsndfiledecoder.cpp
@@ -0,0 +1,254 @@
+/* 
+ *
+ * $Id: k3blibsndfiledecoder.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Matthieu Bedouet <[email protected]>
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3blibsndfiledecoder.h"
+
+#include <k3bpluginfactory.h>
+
+#include <qfile.h>
+#include <qstringlist.h>
+
+#include <kurl.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kinstance.h>
+
+
+#include <math.h>
+#include <stdio.h>
+#include <sndfile.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3blibsndfiledecoder, K3bPluginFactory<K3bLibsndfileDecoderFactory>( "libk3blibsndfiledecoder" ) )
+
+
+class K3bLibsndfileDecoder::Private
+{
+public:
+  Private(): 
+    isOpen(false),
+    buffer(0),
+    bufferSize(0) {
+    format_info.name = 0;
+  }
+  
+  SNDFILE *sndfile;
+  SF_INFO sndinfo;
+  SF_FORMAT_INFO format_info;
+  bool isOpen;
+  float* buffer;
+  int bufferSize;
+};
+
+
+
+K3bLibsndfileDecoder::K3bLibsndfileDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  d = new Private();
+}
+
+
+K3bLibsndfileDecoder::~K3bLibsndfileDecoder()
+{
+  delete d;
+}
+
+
+QString K3bLibsndfileDecoder::fileType() const
+{
+  if( d->format_info.name )
+    return QString::fromLocal8Bit(d->format_info.name);
+  else
+    return "-";
+}
+	
+
+
+bool K3bLibsndfileDecoder::openFile()
+{
+  if( !d->isOpen ) {
+    
+    cleanup();
+    
+    d->sndinfo.format = 0;
+    d->sndfile = sf_open (QFile::encodeName(filename()), SFM_READ, &d->sndinfo);
+    if ( !d->sndfile ) {
+      kdDebug() << "(K3bLibsndfileDecoder::openLibsndfileFile) : " << sf_strerror(d->sndfile) << endl;
+      return false;
+    }
+    else {
+      //retrieve infos (name, extension) about the format:
+      d->format_info.format = d->sndinfo.format & SF_FORMAT_TYPEMASK ;
+      sf_command (d->sndfile, SFC_GET_FORMAT_INFO, &d->format_info, sizeof (SF_FORMAT_INFO)) ;
+      
+      d->isOpen = true;
+      kdDebug() << "(K3bLibsndfileDecoder::openLibsndfileFile) " << d->format_info.name << " file opened " << endl;
+      return true;
+    }
+  }
+
+  return d->isOpen;
+}
+
+
+bool K3bLibsndfileDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  cleanup();
+  
+  if( openFile() ) {
+    // check length of track
+    if ( d->sndinfo.frames <= 0 ) {
+      kdDebug() << "(K3bLibsndfileDecoder::analyseFileInternal) Could not determine length of file "
+		<< filename() << endl;
+      cleanup();
+      return false;
+    }
+    else {
+      addMetaInfo( META_TITLE, sf_get_string(d->sndfile, SF_STR_TITLE) );
+      addMetaInfo( META_ARTIST, sf_get_string(d->sndfile, SF_STR_ARTIST) );
+      addMetaInfo( META_COMMENT, sf_get_string(d->sndfile, SF_STR_COMMENT) );
+      
+      addTechnicalInfo( i18n("Channels"), QString::number(d->sndinfo.channels) );
+      addTechnicalInfo( i18n("Sampling Rate"), i18n("%1 Hz").arg(d->sndinfo.samplerate) );
+      
+      frames = (unsigned long)ceil(d->sndinfo.frames / d->sndinfo.samplerate * 75.0); 
+      samplerate = d->sndinfo.samplerate;
+      ch = d->sndinfo.channels;
+
+      kdDebug() << "(K3bLibsndfileDecoder) successfully analysed file: " << frames << " frames." << endl;
+
+      cleanup();
+      return true;
+    }
+  }
+  else
+    return false;
+}
+
+
+
+bool K3bLibsndfileDecoder::initDecoderInternal()
+{	
+  cleanup();
+  return openFile();
+}
+
+
+
+int K3bLibsndfileDecoder::decodeInternal( char* data, int maxLen )
+{
+  if( !d->buffer ) {
+    d->buffer = new float[maxLen];
+    d->bufferSize = maxLen/2;
+  }
+  
+  int read = (int) sf_read_float(d->sndfile, d->buffer,d->bufferSize) ;
+  fromFloatTo16BitBeSigned( d->buffer, data, read );
+  read = read * 2;
+  
+  if( read < 0 ) {
+    kdDebug() << "(K3bLibsndfileDecoder::decodeInternal) Error: " << read << endl;
+    return -1;
+  }
+  else if( read == 0 ) {
+    kdDebug() << "(K3bLibsndfileDecoder::decodeInternal) successfully finished decoding." << endl;
+    return 0;
+  }
+  else if( read != maxLen ) {
+    kdDebug() << "(K3bLibsndfileDecoder::decodeInternal) read:" << read << " expected:" << maxLen << endl;
+    return -1;
+  }
+  else 
+    return read;
+ }
+
+
+
+bool K3bLibsndfileDecoder::seekInternal( const K3b::Msf& pos)
+{
+  return ( sf_seek( d->sndfile, pos.pcmSamples(), SEEK_SET ) == 0 );
+}
+
+
+
+
+void K3bLibsndfileDecoder::cleanup()
+{
+  if( d->isOpen ) {
+    kdDebug() << "(K3bLibsndfileDecoder) cleaning up." << endl;
+    sf_close( d->sndfile );
+    d->isOpen = false;
+  }
+}
+
+
+
+/********************************************************/
+
+
+K3bLibsndfileDecoderFactory::K3bLibsndfileDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bLibsndfileDecoderFactory::~K3bLibsndfileDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bLibsndfileDecoderFactory::createDecoder( QObject* parent, 
+							     const char* name ) const
+{
+  return new K3bLibsndfileDecoder( parent, name );
+}
+
+
+bool K3bLibsndfileDecoderFactory::canDecode( const KURL& url )
+{
+  SF_INFO infos;
+  infos.format = 0;
+  SNDFILE* sndfile = sf_open (QFile::encodeName(url.path()), SFM_READ, &infos);
+  
+  //is it supported by libsndfile?
+  if ( !sndfile ) {
+    kdDebug() << "(K3bLibsndfileDecoder) " << sf_strerror(sndfile) << endl;
+    return false;
+  }
+  //we exclude only WAVE as there is another plugin for this
+  else if ( infos.format && ((infos.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_WAV) )  {
+    
+    //retrieve infos (name) about the format:
+    SF_FORMAT_INFO format_info;
+    format_info.format = infos.format & SF_FORMAT_TYPEMASK ;
+    sf_command (sndfile, SFC_GET_FORMAT_INFO, &format_info, sizeof (format_info)) ;
+    
+    kdDebug() << "(K3bLibsndfileDecoder) " << format_info.name << " file === OK === "  << endl;
+    sf_close( sndfile );
+    return true;
+  }
+  else {
+    kdDebug() << "(K3bLibsndfileDecoder) " << url.path() << "not supported" << endl;
+    sf_close( sndfile );
+    return false;
+  }
+  return false;
+}
+
+#include "k3blibsndfiledecoder.moc"
diff --git a/plugins/decoder/libsndfile/k3blibsndfiledecoder.h b/plugins/decoder/libsndfile/k3blibsndfiledecoder.h
new file mode 100644
index 0000000..7ffbe2d
--- /dev/null
+++ b/plugins/decoder/libsndfile/k3blibsndfiledecoder.h
@@ -0,0 +1,69 @@
+/* 
+ *
+ * $Id: k3blibsndfiledecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Matthieu Bedouet <[email protected]>
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_AIFF_DECODER_H_
+#define _K3B_AIFF_DECODER_H_
+
+#include <k3baudiodecoder.h>
+
+class KURL;
+
+
+class K3bLibsndfileDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bLibsndfileDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bLibsndfileDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  bool multiFormatDecoder() const { return true; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3bLibsndfileDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3bLibsndfileDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bLibsndfileDecoder();
+  void cleanup();
+  QString fileType() const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+  bool seekInternal( const K3b::Msf& );
+
+  int decodeInternal( char* _data, int maxLen );
+ 
+ private:
+  bool openFile();
+
+  class Private;
+  Private* d;
+  
+};
+
+#endif
diff --git a/plugins/decoder/libsndfile/k3blibsndfiledecoder.plugin b/plugins/decoder/libsndfile/k3blibsndfiledecoder.plugin
new file mode 100644
index 0000000..7ae05f1
--- /dev/null
+++ b/plugins/decoder/libsndfile/k3blibsndfiledecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3blibsndfiledecoder
+Group=AudioDecoder
+Name=K3b Libsndfile Decoder
+Author=Matthieu Bedouet
[email protected]
+Version=1.0
+Comment=Decoding module to decode audio files supported by libsndfile
+License=GPL
diff --git a/plugins/decoder/mp3/Makefile.am b/plugins/decoder/mp3/Makefile.am
new file mode 100644
index 0000000..7f74d21
--- /dev/null
+++ b/plugins/decoder/mp3/Makefile.am
@@ -0,0 +1,13 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/core -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3bdevice $(taglib_includes) $(all_includes)
+
+kde_module_LTLIBRARIES = libk3bmaddecoder.la
+
+libk3bmaddecoder_la_SOURCES = k3bmad.cpp k3bmaddecoder.cpp
+
+libk3bmaddecoder_la_LIBADD = $(LIB_KDECORE) $(MAD_LIB) $(taglib_libs) ../../../libk3b/libk3b.la
+libk3bmaddecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bmaddecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/mp3/configure.in.bot b/plugins/decoder/mp3/configure.in.bot
new file mode 100644
index 0000000..0ee4872
--- /dev/null
+++ b/plugins/decoder/mp3/configure.in.bot
@@ -0,0 +1,11 @@
+echo ""
+
+if test -n "$MAD_LIB"; then
+	echo "K3b - Mp3 decoding support (libmad):         yes"
+else
+	echo "K3b - Mp3 decoding support (libmad):          no"
+if test "$ac_cv_use_libmad" = "yes"; then
+	echo "K3b -     You are missing the libmad headers and libraries."
+	echo "K3b -     The Mp3 decoding plugin won't be compiled."
+fi
+fi
diff --git a/plugins/decoder/mp3/configure.in.in b/plugins/decoder/mp3/configure.in.in
new file mode 100644
index 0000000..fb92936
--- /dev/null
+++ b/plugins/decoder/mp3/configure.in.in
@@ -0,0 +1,24 @@
+dnl === libmad MPEG decoder check - begin ===
+AC_ARG_WITH(
+	libmad, 
+	AS_HELP_STRING([--without-libmad], [build K3b without libmad support (default=no)]), 
+	[ac_cv_use_libmad=$withval], 
+	[ac_cv_use_libmad=yes]
+)
+
+if test "$ac_cv_use_libmad" = "yes"; then
+  MAD_LIB=""
+  KDE_CHECK_HEADER(mad.h, [
+	AC_CHECK_LIB(mad, mad_synth_frame, [
+		MAD_LIB="-lmad"
+		AC_DEFINE(HAVE_LIBMAD,1,[defined if you have libmad headers and libraries])],
+		[],
+		$all_libraries
+	)
+  ])
+  AC_SUBST(MAD_LIB)
+
+fi
+
+AM_CONDITIONAL(include_MP3, [test -n "$MAD_LIB"])
+dnl === libmad MPeg decoder check - end ===
diff --git a/plugins/decoder/mp3/k3bmad.cpp b/plugins/decoder/mp3/k3bmad.cpp
new file mode 100644
index 0000000..cb4cf6c
--- /dev/null
+++ b/plugins/decoder/mp3/k3bmad.cpp
@@ -0,0 +1,359 @@
+/* 
+ *
+ * $Id: k3bmad.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3bmad.h"
+
+#include <qfile.h>
+#include <kdebug.h>
+
+
+static const int INPUT_BUFFER_SIZE = 5*8192;
+
+
+K3bMad::K3bMad()
+  : m_madStructuresInitialized(false),
+    m_bInputError(false)
+{
+  madStream = new mad_stream;
+  madFrame  = new mad_frame;
+  madSynth  = new mad_synth;
+  madTimer  = new mad_timer_t;
+
+  //
+  // we allocate additional MAD_BUFFER_GUARD bytes to always be able to append the
+  // zero bytes needed for decoding the last frame.
+  //
+  m_inputBuffer = new unsigned char[INPUT_BUFFER_SIZE+MAD_BUFFER_GUARD];
+}
+
+
+K3bMad::~K3bMad()
+{
+  cleanup();
+
+  delete madStream;
+  delete madFrame;
+  delete madSynth;
+  delete madTimer;
+
+  delete [] m_inputBuffer;
+}
+
+
+bool K3bMad::open( const QString& filename )
+{
+  cleanup();
+
+  m_bInputError = false;
+  m_channels = m_sampleRate = 0;
+
+  m_inputFile.setName( filename );
+   
+  if( !m_inputFile.open( IO_ReadOnly ) ) {
+    kdError() << "(K3bMad) could not open file " << m_inputFile.name() << endl;
+    return false;
+  }
+
+  initMad();
+
+  memset( m_inputBuffer, 0, INPUT_BUFFER_SIZE+MAD_BUFFER_GUARD );
+
+  return true;
+}
+
+
+bool K3bMad::inputError() const
+{
+  return m_bInputError;
+}
+
+
+bool K3bMad::fillStreamBuffer()
+{
+  /* The input bucket must be filled if it becomes empty or if
+   * it's the first execution of the loop.
+   */
+  if( madStream->buffer == 0 || madStream->error == MAD_ERROR_BUFLEN ) {
+    if( eof() )
+      return false;
+
+    long readSize, remaining;
+    unsigned char* readStart;
+
+    if( madStream->next_frame != 0 ) {
+      remaining = madStream->bufend - madStream->next_frame;
+      memmove( m_inputBuffer, madStream->next_frame, remaining );
+      readStart = m_inputBuffer + remaining;
+      readSize = INPUT_BUFFER_SIZE - remaining;
+    }
+    else {
+      readSize  = INPUT_BUFFER_SIZE;
+      readStart = m_inputBuffer;
+      remaining = 0;
+    }
+			
+    // Fill-in the buffer. 
+    Q_LONG result = m_inputFile.readBlock( (char*)readStart, readSize );
+    if( result < 0 ) {
+      kdDebug() << "(K3bMad) read error on bitstream)" << endl;
+      m_bInputError = true;
+      return false;
+    }
+    else if( result == 0 ) {
+      kdDebug() << "(K3bMad) end of input stream" << endl;
+      return false;
+    }
+    else {
+      readStart += result;
+
+      if( eof() ) {
+	kdDebug() << "(K3bMad::fillStreamBuffer) MAD_BUFFER_GUARD" << endl;
+	memset( readStart, 0, MAD_BUFFER_GUARD );
+	result += MAD_BUFFER_GUARD;
+      }
+
+      // Pipe the new buffer content to libmad's stream decoder facility.
+      mad_stream_buffer( madStream, m_inputBuffer, result + remaining );
+      madStream->error = MAD_ERROR_NONE;
+    }
+  }
+
+  return true;
+}
+
+
+bool K3bMad::skipTag()
+{
+  // skip the tag at the beginning of the file
+  m_inputFile.at( 0 );
+
+  //
+  // now check if the file starts with an id3 tag and skip it if so
+  //
+  char buf[4096];
+  int bufLen = 4096;
+  if( m_inputFile.readBlock( buf, bufLen ) < bufLen ) {
+    kdDebug() << "(K3bMad) unable to read " << bufLen << " bytes from " 
+	      << m_inputFile.name() << endl;
+    return false;
+  }
+
+  if( ( buf[0] == 'I' && buf[1] == 'D' && buf[2] == '3' ) &&
+      ( (unsigned short)buf[3] < 0xff && (unsigned short)buf[4] < 0xff ) ) {
+    // do we have a footer?
+    bool footer = (buf[5] & 0x10);
+
+    // the size is saved as a synched int meaning bit 7 is always cleared to 0
+    unsigned int size = 
+      ( (buf[6] & 0x7f) << 21 ) | 
+      ( (buf[7] & 0x7f) << 14 ) | 
+      ( (buf[8] & 0x7f) << 7) | 
+      (buf[9] & 0x7f);
+    unsigned int offset = size + 10;
+    if( footer )
+      offset += 10;
+
+    kdDebug() << "(K3bMad) skipping past ID3 tag to " << offset << endl;
+
+    // skip the id3 tag
+    if( !m_inputFile.at(offset) ) {
+      kdDebug() << "(K3bMad) " << m_inputFile.name()
+		<< ": couldn't seek to " << offset << endl;
+      return false;
+    }
+  }
+  else {
+    // reset file
+    return m_inputFile.at( 0 );
+  }
+
+  return true;
+}
+
+
+bool K3bMad::seekFirstHeader()
+{
+  //
+  // A lot of mp3 files start with a lot of junk which confuses mad.
+  // We "allow" an mp3 file to start with at most 1 KB of junk. This is just
+  // some random value since we do not want to search the hole file. That would
+  // take way to long for non-mp3 files.
+  //
+  bool headerFound = findNextHeader();
+  QIODevice::Offset inputPos = streamPos();
+  while( !headerFound && 
+	 !m_inputFile.atEnd() && 
+	 streamPos() <= inputPos+1024 ) {
+    headerFound = findNextHeader();
+  }
+
+  // seek back to the begin of the frame
+  if( headerFound ) {
+    int streamSize = madStream->bufend - madStream->buffer;
+    int bytesToFrame = madStream->this_frame - madStream->buffer;
+    m_inputFile.at( m_inputFile.at() - streamSize + bytesToFrame );
+
+    kdDebug() << "(K3bMad) found first header at " << m_inputFile.at() << endl;
+  }
+
+  // reset the stream to make sure mad really starts decoding at out seek position
+  mad_stream_finish( madStream );
+  mad_stream_init( madStream );
+
+  return headerFound;
+}
+
+
+bool K3bMad::eof() const
+{ 
+  return m_inputFile.atEnd();
+}
+
+
+QIODevice::Offset K3bMad::inputPos() const
+{
+  return m_inputFile.at();
+}
+
+
+QIODevice::Offset K3bMad::streamPos() const
+{
+  return inputPos() - (madStream->bufend - madStream->this_frame + 1);
+}
+
+
+bool K3bMad::inputSeek( QIODevice::Offset pos )
+{
+  return m_inputFile.at( pos );
+}
+
+
+void K3bMad::initMad()
+{
+  if( !m_madStructuresInitialized ) {
+    mad_stream_init( madStream );
+    mad_timer_reset( madTimer );
+    mad_frame_init( madFrame );
+    mad_synth_init( madSynth );
+
+    m_madStructuresInitialized = true;
+  }
+}
+
+
+void K3bMad::cleanup()
+{
+  if( m_inputFile.isOpen() ) {
+    kdDebug() << "(K3bMad) cleanup at offset: " 
+	      << "Input file at: " << m_inputFile.at() << " "
+	      << "Input file size: " << m_inputFile.size() << " "
+	      << "stream pos: " 
+	      << ( m_inputFile.at() - (madStream->bufend - madStream->this_frame + 1) )
+	      << endl;
+    m_inputFile.close();
+  }
+    
+  if( m_madStructuresInitialized ) {
+    mad_frame_finish( madFrame );
+    mad_synth_finish( madSynth );
+    mad_stream_finish( madStream );
+  }
+    
+  m_madStructuresInitialized = false;
+}
+
+
+//
+// LOSTSYNC could happen when mad encounters the id3 tag...
+//
+bool K3bMad::findNextHeader()
+{
+  if( !fillStreamBuffer() )
+    return false;
+
+  //
+  // MAD_RECOVERABLE == true:  frame was read, decoding failed (about to skip frame)
+  // MAD_RECOVERABLE == false: frame was not read, need data
+  //
+
+  if( mad_header_decode( &madFrame->header, madStream ) < 0 ) {
+    if( MAD_RECOVERABLE( madStream->error ) ||
+	madStream->error == MAD_ERROR_BUFLEN ) {
+      return findNextHeader();
+    }
+    else
+      kdDebug() << "(K3bMad::findNextHeader) error: " << mad_stream_errorstr( madStream ) << endl;
+
+    // FIXME probably we should not do this here since we don't do it
+    // in the frame decoding
+//     if( !checkFrameHeader( &madFrame->header ) )
+//       return findNextHeader();
+
+    return false;
+  }
+
+  if( !m_channels ) {
+    m_channels = MAD_NCHANNELS(&madFrame->header);
+    m_sampleRate = madFrame->header.samplerate;
+  }
+
+  mad_timer_add( madTimer, madFrame->header.duration );
+
+  return true;
+}
+
+
+bool K3bMad::decodeNextFrame()
+{
+  if( !fillStreamBuffer() )
+    return false;
+
+  if( mad_frame_decode( madFrame, madStream ) < 0 ) {
+    if( MAD_RECOVERABLE( madStream->error ) ||
+ 	madStream->error == MAD_ERROR_BUFLEN ) {
+      return decodeNextFrame();
+    }
+
+    return false;
+  }
+
+  if( !m_channels ) {
+    m_channels = MAD_NCHANNELS(&madFrame->header);
+    m_sampleRate = madFrame->header.samplerate;
+  }
+
+  mad_timer_add( madTimer, madFrame->header.duration );
+
+  return true;
+}
+
+
+//
+// This is from the arts mad decoder
+//
+bool K3bMad::checkFrameHeader( mad_header* header ) const
+{
+  int frameSize = MAD_NSBSAMPLES( header ) * 32;
+
+  if( frameSize <= 0 )
+    return false;
+
+  if( m_channels && m_channels != MAD_NCHANNELS(header) )
+    return false;
+    
+  return true;
+}
+
+
diff --git a/plugins/decoder/mp3/k3bmad.h b/plugins/decoder/mp3/k3bmad.h
new file mode 100644
index 0000000..a4d9aae
--- /dev/null
+++ b/plugins/decoder/mp3/k3bmad.h
@@ -0,0 +1,92 @@
+/* 
+ *
+ * $Id: k3bmad.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_MAD_H_
+#define _K3B_MAD_H_
+
+extern "C" {
+#include <mad.h>
+}
+
+#include <qfile.h>
+
+
+class K3bMad
+{
+public:
+  K3bMad();
+  ~K3bMad();
+
+  bool open( const QString& filename );
+
+  /**
+   * @return true if the mad stream contains data
+   *         false if there is no data left or an error occurred.
+   *         In the latter case inputError() returns true.
+   */
+  bool fillStreamBuffer();
+
+  /**
+   * Skip id3 tags.
+   *
+   * This will reset the input file.
+   */
+  bool skipTag();
+
+  /**
+   * Find first frame and seek to the beginning of that frame.
+   * This is used to skip the junk that many mp3 files start with.
+   */
+  bool seekFirstHeader();
+
+  bool eof() const;
+  bool inputError() const;
+
+  /**
+   * Current position in theinput file. This does NOT
+   * care about the status of the mad stream. Use streamPos()
+   * in that case.
+   */
+  QIODevice::Offset inputPos() const;
+
+  /**
+   * Current absolut position of the decoder stream.
+   */
+  QIODevice::Offset streamPos() const;
+  bool inputSeek( QIODevice::Offset pos );
+
+  void initMad();
+  void cleanup();
+
+  bool decodeNextFrame();
+  bool findNextHeader();
+  bool checkFrameHeader( mad_header* header ) const;
+
+  mad_stream*   madStream;
+  mad_frame*    madFrame;
+  mad_synth*    madSynth;
+  mad_timer_t*  madTimer;
+
+private:
+  QFile m_inputFile;
+  bool m_madStructuresInitialized;
+  unsigned char* m_inputBuffer;
+  bool m_bInputError;
+
+  int m_channels;
+  int m_sampleRate;
+};
+
+#endif
diff --git a/plugins/decoder/mp3/k3bmaddecoder.cpp b/plugins/decoder/mp3/k3bmaddecoder.cpp
new file mode 100644
index 0000000..e3aef56
--- /dev/null
+++ b/plugins/decoder/mp3/k3bmaddecoder.cpp
@@ -0,0 +1,542 @@
+/*
+ *
+ * $Id$
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+
+//
+// Some notes on mp3:
+// A mp3 Frame is always samples/samplerate seconds in length
+//
+//
+//
+// What we need are raw 16 bit stereo samples at 44100 Hz which results in 588 samples
+// per block (2352 bytes: 32*588 bit). 1 second are 75 blocks.
+//
+
+#include <config.h>
+
+#include "k3bmaddecoder.h"
+#include "k3bmad.h"
+
+#include <k3bpluginfactory.h>
+
+#include <kurl.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <qstring.h>
+#include <qfile.h>
+#include <qvaluevector.h>
+
+#include <stdlib.h>
+#include <cmath>
+#include <cstdlib>
+
+#include <config.h>
+
+#ifdef HAVE_TAGLIB
+#include <taglib/tag.h>
+#include <taglib/mpegfile.h>
+#endif
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3bmaddecoder, K3bPluginFactory<K3bMadDecoderFactory>( "k3bmaddecoder" ) )
+
+
+int K3bMadDecoder::MaxAllowedRecoverableErrors = 10;
+
+
+
+class K3bMadDecoder::MadDecoderPrivate
+{
+public:
+  MadDecoderPrivate()
+    : outputBuffer(0),
+      outputPointer(0),
+      outputBufferEnd(0) {
+    mad_header_init( &firstHeader );
+  }
+
+  K3bMad* handle;
+
+  QValueVector<unsigned long long> seekPositions;
+
+  bool bOutputFinished;
+
+  char* outputBuffer;
+  char* outputPointer;
+  char* outputBufferEnd;
+
+  // the first frame header for technical info
+  mad_header firstHeader;
+  bool vbr;
+};
+
+
+
+
+K3bMadDecoder::K3bMadDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  d = new MadDecoderPrivate();
+  d->handle = new K3bMad();
+}
+
+
+K3bMadDecoder::~K3bMadDecoder()
+{
+  cleanup();
+  delete d->handle;
+  delete d;
+}
+
+
+QString K3bMadDecoder::metaInfo( MetaDataField f )
+{
+#ifdef HAVE_TAGLIB
+  TagLib::MPEG::File file( QFile::encodeName( filename() ).data() );
+
+  if ( file.tag() ) {
+      switch( f ) {
+      case META_TITLE:
+          return TStringToQString( file.tag()->title() );
+      case META_ARTIST:
+          return TStringToQString( file.tag()->artist() );
+      case META_COMMENT:
+          return TStringToQString( file.tag()->comment() );
+      default:
+          return QString::null;
+      }
+  }
+  else {
+      return QString::null;
+  }
+
+#else
+  return K3bAudioDecoder::metaInfo( f );
+#endif
+}
+
+
+bool K3bMadDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  initDecoderInternal();
+  frames = countFrames();
+  if( frames > 0 ) {
+    // we convert mono to stereo all by ourselves. :)
+    ch = 2;
+    samplerate = d->firstHeader.samplerate;
+    return true;
+  }
+  else
+    return false;
+}
+
+
+bool K3bMadDecoder::initDecoderInternal()
+{
+  cleanup();
+
+  d->bOutputFinished = false;
+
+  if( !d->handle->open( filename() ) )
+    return false;
+
+  if( !d->handle->skipTag() )
+    return false;
+
+  if( !d->handle->seekFirstHeader() )
+    return false;
+
+  return true;
+}
+
+
+unsigned long K3bMadDecoder::countFrames()
+{
+  kdDebug() << "(K3bMadDecoder::countFrames)" << endl;
+
+  unsigned long frames = 0;
+  bool error = false;
+  d->vbr = false;
+  bool bFirstHeaderSaved = false;
+
+  d->seekPositions.clear();
+
+  while( !error && d->handle->findNextHeader() ) {
+
+    if( !bFirstHeaderSaved ) {
+      bFirstHeaderSaved = true;
+      d->firstHeader = d->handle->madFrame->header;
+    }
+    else if( d->handle->madFrame->header.bitrate != d->firstHeader.bitrate )
+      d->vbr = true;
+
+    //
+    // position in stream: postion in file minus the not yet used buffer
+    //
+    unsigned long long seekPos = d->handle->inputPos() -
+      (d->handle->madStream->bufend - d->handle->madStream->this_frame + 1);
+
+    // save the number of bytes to be read to decode i-1 frames at position i
+    // in other words: when seeking to seekPos the next decoded frame will be i
+    d->seekPositions.append( seekPos );
+  }
+
+  if( !d->handle->inputError() && !error ) {
+    // we need the length of the track to be multiple of frames (1/75 second)
+    float seconds = (float)d->handle->madTimer->seconds +
+      (float)d->handle->madTimer->fraction/(float)MAD_TIMER_RESOLUTION;
+    frames = (unsigned long)ceil(seconds * 75.0);
+    kdDebug() << "(K3bMadDecoder) length of track " << seconds << endl;
+  }
+
+  cleanup();
+
+  kdDebug() << "(K3bMadDecoder::countFrames) end" << endl;
+
+  return frames;
+}
+
+
+int K3bMadDecoder::decodeInternal( char* _data, int maxLen )
+{
+  d->outputBuffer = _data;
+  d->outputBufferEnd = d->outputBuffer + maxLen;
+  d->outputPointer = d->outputBuffer;
+
+  bool bOutputBufferFull = false;
+
+  while( !bOutputBufferFull && d->handle->fillStreamBuffer() ) {
+
+    // a mad_synth contains of the data of one mad_frame
+    // one mad_frame represents a mp3-frame which is always 1152 samples
+    // for us that means we need 4*1152 bytes of output buffer for every frame
+    // since one sample has 16 bit
+    if( d->outputBufferEnd - d->outputPointer < 4*1152 ) {
+      bOutputBufferFull = true;
+    }
+    else if( d->handle->decodeNextFrame() ) {
+      //
+      // Once decoded the frame is synthesized to PCM samples. No errors
+      // are reported by mad_synth_frame();
+      //
+      mad_synth_frame( d->handle->madSynth, d->handle->madFrame );
+
+      // this fills the output buffer
+      if( !createPcmSamples( d->handle->madSynth ) ) {
+	return -1;
+      }
+    }
+    else if( d->handle->inputError() ) {
+      return -1;
+    }
+  }
+
+  // flush the output buffer
+  size_t buffersize = d->outputPointer - d->outputBuffer;
+
+  return buffersize;
+}
+
+
+unsigned short K3bMadDecoder::linearRound( mad_fixed_t fixed )
+{
+  // round
+  fixed += (1L << ( MAD_F_FRACBITS - 16 ));
+
+  // clip
+  if( fixed >= MAD_F_ONE - 1 )
+    fixed = MAD_F_ONE - 1;
+  else if( fixed < -MAD_F_ONE )
+    fixed = -MAD_F_ONE;
+
+  // quatisize
+  return fixed >> (MAD_F_FRACBITS + 1 - 16 );
+}
+
+
+bool K3bMadDecoder::createPcmSamples( mad_synth* synth )
+{
+  unsigned short nsamples = synth->pcm.length;
+
+  // this should not happen since we only decode if the
+  // output buffer has enough free space
+  if( d->outputBufferEnd - d->outputPointer < nsamples*4 ) {
+    kdDebug() <<  "(K3bMadDecoder) buffer overflow!" << endl;
+    return false;
+  }
+
+  // now create the output
+  for( int i = 0; i < nsamples; i++ ) {
+
+    /* Left channel */
+    unsigned short sample = linearRound( synth->pcm.samples[0][i] );
+    *(d->outputPointer++) = (sample >> 8) & 0xff;
+    *(d->outputPointer++) = sample & 0xff;
+
+    /* Right channel. If the decoded stream is monophonic then
+     * the right output channel is the same as the left one.
+     */
+    if( synth->pcm.channels == 2 )
+      sample = linearRound( synth->pcm.samples[1][i] );
+
+    *(d->outputPointer++) = (sample >> 8) & 0xff;
+    *(d->outputPointer++) = sample & 0xff;
+  } // pcm conversion
+
+  return true;
+}
+
+
+void K3bMadDecoder::cleanup()
+{
+  d->handle->cleanup();
+}
+
+
+bool K3bMadDecoder::seekInternal( const K3b::Msf& pos )
+{
+  //
+  // we need to reset the complete mad stuff
+  //
+  if( !initDecoderInternal() )
+    return false;
+
+  //
+  // search a position
+  // This is all hacking, I don't really know what I am doing here... ;)
+  //
+  double mp3FrameSecs = static_cast<double>(d->firstHeader.duration.seconds)
+    + static_cast<double>(d->firstHeader.duration.fraction) / static_cast<double>(MAD_TIMER_RESOLUTION);
+
+  double posSecs = static_cast<double>(pos.totalFrames()) / 75.0;
+
+  // seekPosition to seek after frame i
+  unsigned int frame = static_cast<unsigned int>( posSecs / mp3FrameSecs );
+
+  // Rob said: 29 frames is the theoretically max frame reservoir limit (whatever that means...)
+  // it seems that mad needs at most 29 frames to get ready
+  unsigned int frameReservoirProtect = ( frame > 29 ? 29 : frame );
+
+  frame -= frameReservoirProtect;
+
+  // seek in the input file behind the already decoded data
+  d->handle->inputSeek( d->seekPositions[frame] );
+
+  kdDebug() << "(K3bMadDecoder) Seeking to frame " << frame << " with "
+	    << frameReservoirProtect << " reservoir frames." << endl;
+
+  // decode some frames ignoring MAD_ERROR_BADDATAPTR errors
+  unsigned int i = 1;
+  while( i <= frameReservoirProtect ) {
+    d->handle->fillStreamBuffer();
+    if( mad_frame_decode( d->handle->madFrame, d->handle->madStream ) ) {
+      if( MAD_RECOVERABLE( d->handle->madStream->error ) ) {
+	if( d->handle->madStream->error == MAD_ERROR_BUFLEN )
+	  continue;
+	else if( d->handle->madStream->error != MAD_ERROR_BADDATAPTR ) {
+	  kdDebug() << "(K3bMadDecoder) Seeking: recoverable mad error ("
+		    << mad_stream_errorstr(d->handle->madStream) << ")" << endl;
+	  continue;
+	}
+	else {
+	  kdDebug() << "(K3bMadDecoder) Seeking: ignoring ("
+		    << mad_stream_errorstr(d->handle->madStream) << ")" << endl;
+	}
+      }
+      else
+	return false;
+    }
+
+    if( i == frameReservoirProtect )  // synth only the last frame (Rob said so ;)
+      mad_synth_frame( d->handle->madSynth, d->handle->madFrame );
+
+    ++i;
+  }
+
+  return true;
+}
+
+
+QString K3bMadDecoder::fileType() const
+{
+  switch( d->firstHeader.layer ) {
+  case MAD_LAYER_I:
+    return "MPEG1 Layer I";
+  case MAD_LAYER_II:
+    return "MPEG1 Layer II";
+  case MAD_LAYER_III:
+    return "MPEG1 Layer III";
+  default:
+    return "Mp3";
+  }
+}
+
+QStringList K3bMadDecoder::supportedTechnicalInfos() const
+{
+  return QStringList::split( ";",
+			     i18n("Channels") + ";" +
+			     i18n("Sampling Rate") + ";" +
+			     i18n("Bitrate") + ";" +
+			     i18n("Layer") + ";" +
+			     i18n("Emphasis") + ";" +
+			     i18n("Copyright") + ";" +
+			     i18n("Original") + ";" +
+			     i18n("CRC") );
+}
+
+
+QString K3bMadDecoder::technicalInfo( const QString& name ) const
+{
+  if( name == i18n("Channels") ) {
+    switch( d->firstHeader.mode ) {
+    case MAD_MODE_SINGLE_CHANNEL:
+      return i18n("Mono");
+    case MAD_MODE_DUAL_CHANNEL:
+      return i18n("Dual");
+    case MAD_MODE_JOINT_STEREO:
+      return i18n("Joint Stereo");
+    case MAD_MODE_STEREO:
+      return i18n("Stereo");
+    default:
+      return "?";
+    }
+  }
+  else if( name == i18n("Sampling Rate") )
+    return i18n("%1 Hz").arg(d->firstHeader.samplerate);
+  else if( name == i18n("Bitrate") ) {
+    if( d->vbr )
+      return i18n("VBR");
+    else
+      return i18n("%1 bps").arg(d->firstHeader.bitrate);
+  }
+  else if(  name == i18n("Layer") ){
+    switch( d->firstHeader.layer ) {
+    case MAD_LAYER_I:
+      return "I";
+    case MAD_LAYER_II:
+      return "II";
+    case MAD_LAYER_III:
+      return "III";
+    default:
+      return "?";
+    }
+  }
+  else if( name == i18n("Emphasis") ) {
+    switch( d->firstHeader.emphasis ) {
+    case MAD_EMPHASIS_NONE:
+      return i18n("None");
+    case MAD_EMPHASIS_50_15_US:
+      return i18n("50/15 ms");
+    case MAD_EMPHASIS_CCITT_J_17:
+      return i18n("CCITT J.17");
+    default:
+      return i18n("Unknown");
+    }
+  }
+  else if( name == i18n("Copyright") )
+    return ( d->firstHeader.flags & MAD_FLAG_COPYRIGHT ? i18n("Yes") : i18n("No") );
+  else if( name == i18n("Original") )
+    return ( d->firstHeader.flags & MAD_FLAG_ORIGINAL ? i18n("Yes") : i18n("No") );
+  else if( name == i18n("CRC") )
+    return ( d->firstHeader.flags & MAD_FLAG_PROTECTION ? i18n("Yes") : i18n("No") );
+  else
+    return QString::null;
+}
+
+
+K3bMadDecoderFactory::K3bMadDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bMadDecoderFactory::~K3bMadDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bMadDecoderFactory::createDecoder( QObject* parent,
+						      const char* name ) const
+{
+  return new K3bMadDecoder( parent, name );
+}
+
+
+bool K3bMadDecoderFactory::canDecode( const KURL& url )
+{
+  //
+  // HACK:
+  //
+  // I am simply no good at this and this detection code is no good as well
+  // It always takes waves for mp3 files so we introduce this hack to
+  // filter out wave files. :(
+  //
+  QFile f( url.path() );
+  if( !f.open( IO_ReadOnly ) )
+    return false;
+  char buffer[12];
+  if( f.readBlock( buffer, 12 ) != 12 )
+    return false;
+  if( !qstrncmp( buffer, "RIFF", 4 ) &&
+      !qstrncmp( buffer + 8, "WAVE", 4 ) )
+    return false;
+  f.close();
+
+
+  K3bMad handle;
+  if( !handle.open( url.path() ) )
+    return false;
+
+  handle.skipTag();
+  if( !handle.seekFirstHeader() )
+    return false;
+
+  if( handle.findNextHeader() ) {
+    int c = MAD_NCHANNELS( &handle.madFrame->header );
+    int layer = handle.madFrame->header.layer;
+    unsigned int s = handle.madFrame->header.samplerate;
+
+    //
+    // find 4 more mp3 headers (random value since 2 was not enough)
+    // This way we get most of the mp3 files while sorting out
+    // for example wave files.
+    //
+    int cnt = 1;
+    while( handle.findNextHeader() ) {
+      // compare the found headers
+      if( MAD_NCHANNELS( &handle.madFrame->header ) == c &&
+	  handle.madFrame->header.layer == layer &&
+	  handle.madFrame->header.samplerate == s ) {
+	// only support layer III for now since otherwise some wave files
+	// are taken for layer I
+	if( ++cnt >= 5 ) {
+	  kdDebug() << "(K3bMadDecoder) valid mpeg 1 layer " << layer
+		    << " file with " << c << " channels and a samplerate of "
+		    << s << endl;
+	  return ( layer == MAD_LAYER_III );
+	}
+      }
+      else
+	break;
+    }
+  }
+
+  kdDebug() << "(K3bMadDecoder) unsupported format: " << url.path() << endl;
+
+  return false;
+}
+
+#include "k3bmaddecoder.moc"
diff --git a/plugins/decoder/mp3/k3bmaddecoder.h b/plugins/decoder/mp3/k3bmaddecoder.h
new file mode 100644
index 0000000..91e0f6c
--- /dev/null
+++ b/plugins/decoder/mp3/k3bmaddecoder.h
@@ -0,0 +1,79 @@
+/* 
+ *
+ * $Id$
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef K3BMP3MODULE_H
+#define K3BMP3MODULE_H
+
+
+#include <k3baudiodecoder.h>
+
+extern "C" {
+#include <mad.h>
+}
+
+
+class K3bMadDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bMadDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bMadDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3bMadDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3bMadDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bMadDecoder();
+
+  QString metaInfo( MetaDataField );
+
+  void cleanup();
+
+  bool seekInternal( const K3b::Msf& );
+
+  QString fileType() const;
+  QStringList supportedTechnicalInfos() const;
+  QString technicalInfo( const QString& ) const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+
+  int decodeInternal( char* _data, int maxLen );
+ 
+ private:
+  unsigned long countFrames();
+  inline unsigned short linearRound( mad_fixed_t fixed );
+  bool createPcmSamples( mad_synth* );
+
+  static int MaxAllowedRecoverableErrors;
+
+  class MadDecoderPrivate;
+  MadDecoderPrivate* d;
+};
+
+#endif
diff --git a/plugins/decoder/mp3/k3bmaddecoder.plugin b/plugins/decoder/mp3/k3bmaddecoder.plugin
new file mode 100644
index 0000000..69fbbb8
--- /dev/null
+++ b/plugins/decoder/mp3/k3bmaddecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bmaddecoder
+Group=AudioDecoder
+Name=K3b MAD Decoder
+Author=Sebastian Trueg
[email protected]
+Version=3.1
+Comment=Decoding module to decode MPEG 1 Layer III files
+License=GPL
diff --git a/plugins/decoder/musepack/Makefile.am b/plugins/decoder/musepack/Makefile.am
new file mode 100644
index 0000000..beb7d63
--- /dev/null
+++ b/plugins/decoder/musepack/Makefile.am
@@ -0,0 +1,16 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/plugin \
+	-I$(srcdir)/../../../libk3b/core \
+	-I$(srcdir)/../../../libk3bdevice \
+	$(all_includes)
+
+kde_module_LTLIBRARIES = libk3bmpcdecoder.la
+
+libk3bmpcdecoder_la_SOURCES = k3bmpcdecoder.cpp k3bmpcwrapper.cpp
+
+libk3bmpcdecoder_la_LIBADD = ../../../libk3b/libk3b.la $(MPC_LIBS)
+libk3bmpcdecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bmpcdecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/musepack/configure.in.bot b/plugins/decoder/musepack/configure.in.bot
new file mode 100644
index 0000000..8fb871b
--- /dev/null
+++ b/plugins/decoder/musepack/configure.in.bot
@@ -0,0 +1,12 @@
+echo ""
+
+if test x$have_mpc = xyes; then
+	echo "K3b - Musepack support:                      yes"
+else
+	echo "K3b - Musepack support:                       no"
+if test "$ac_cv_use_mpc" = "yes"; then
+	echo "K3b -     You are missing the Musepack headers and libraries >= 1.1."
+	echo "K3b -     The Musepack audio decoding plugin won't be compiled."
+fi
+fi
+
diff --git a/plugins/decoder/musepack/configure.in.in b/plugins/decoder/musepack/configure.in.in
new file mode 100644
index 0000000..42d24c0
--- /dev/null
+++ b/plugins/decoder/musepack/configure.in.in
@@ -0,0 +1,52 @@
+dnl --------- MUSEPACK CHECK ---------------
+
+AC_ARG_WITH(
+	musepack, 
+	AS_HELP_STRING(
+		[--without-musepack], 
+		[build K3b without Musepack audio support (default=no)]),
+	[ac_cv_use_mpc=$withval], 
+	[ac_cv_use_mpc=yes]
+)
+
+have_mpc=no
+if test "$ac_cv_use_mpc" = "yes"; then
+
+  dnl - search for both the new and the old naming -
+
+  KDE_CHECK_HEADERS(mpcdec/mpcdec.h, [
+  	AC_CHECK_LIB(mpcdec, mpc_decoder_setup, [
+  		have_mpc=yes
+		MPC_LIBS="-lmpcdec"
+		AC_DEFINE(
+			MPC_HEADER_FILE, 
+			<mpcdec/mpcdec.h>, 
+			[The header to include for MPC decoding.])
+		],
+		[], [], [])
+  ])
+	
+  if test "$have_mpc" = "no"; then
+    KDE_CHECK_HEADERS(musepack/musepack.h, [
+    	  AC_CHECK_LIB(musepack, mpc_decoder_setup, [
+  		  have_mpc=yes
+		  MPC_LIBS="-lmusepack"
+		  AC_DEFINE(
+			  MPC_HEADER_FILE, 
+			  <musepack/musepack.h>, 
+			  [The header to include for MPC decoding.]
+		  )
+		  AC_DEFINE(
+			  mpc_bool_t,
+			  BOOL,
+			  [backwards compatibility stuff]
+		  )
+  		  ], [], [])
+    ])
+  fi
+fi
+AC_SUBST(MPC_LIBS)
+
+AM_CONDITIONAL(include_MPC, [test x$have_mpc = xyes])
+
+dnl --------- MUSEPACK CHECK END -----------
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.cpp b/plugins/decoder/musepack/k3bmpcdecoder.cpp
new file mode 100644
index 0000000..0cdf644
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.cpp
@@ -0,0 +1,111 @@
+/* 
+ *
+ * $Id: k3bmpcdecoder.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bmpcdecoder.h"
+#include "k3bmpcwrapper.h"
+
+#include <k3bpluginfactory.h>
+
+#include <klocale.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3bmpcdecoder, K3bPluginFactory<K3bMpcDecoderFactory>( "libk3bmpcdecoder" ) )
+
+
+K3bMpcDecoderFactory::K3bMpcDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bMpcDecoderFactory::~K3bMpcDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bMpcDecoderFactory::createDecoder( QObject* parent, 
+							 const char* name ) const
+{
+  return new K3bMpcDecoder( parent, name );
+}
+
+
+bool K3bMpcDecoderFactory::canDecode( const KURL& url )
+{
+  K3bMpcWrapper w;
+  return w.open( url.path() );
+}
+
+
+
+
+
+
+K3bMpcDecoder::K3bMpcDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  m_mpc = new K3bMpcWrapper();
+}
+
+
+K3bMpcDecoder::~K3bMpcDecoder()
+{
+  delete m_mpc;
+}
+
+
+QString K3bMpcDecoder::fileType() const
+{
+  return i18n("Musepack");
+}
+
+
+bool K3bMpcDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  if( m_mpc->open( filename() ) ) {
+    frames = m_mpc->length();
+    samplerate = m_mpc->samplerate();
+    ch = m_mpc->channels();
+
+    // call addTechnicalInfo and addMetaInfo here
+
+    return true;
+  }
+  else
+    return false;
+}
+
+
+bool K3bMpcDecoder::initDecoderInternal()
+{
+  return m_mpc->open( filename() );
+}
+
+
+bool K3bMpcDecoder::seekInternal( const K3b::Msf& msf )
+{
+  return m_mpc->seek( msf );
+}
+
+
+int K3bMpcDecoder::decodeInternal( char* _data, int maxLen )
+{
+  return m_mpc->decode( _data, maxLen );
+}
+
+
+#include "k3bmpcdecoder.moc"
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.h b/plugins/decoder/musepack/k3bmpcdecoder.h
new file mode 100644
index 0000000..74dc509
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.h
@@ -0,0 +1,62 @@
+/* 
+ *
+ * $Id: k3bmpcdecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_MPC_DECODER_H_
+#define _K3B_MPC_DECODER_H_
+
+#include <k3baudiodecoder.h>
+
+class K3bMpcWrapper;
+
+
+class K3bMpcDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bMpcDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bMpcDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3bMpcDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3bMpcDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bMpcDecoder();
+
+  QString fileType() const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+  bool seekInternal( const K3b::Msf& );
+
+  int decodeInternal( char* _data, int maxLen );
+
+ private:
+  K3bMpcWrapper* m_mpc;
+};
+
+#endif
diff --git a/plugins/decoder/musepack/k3bmpcdecoder.plugin b/plugins/decoder/musepack/k3bmpcdecoder.plugin
new file mode 100644
index 0000000..6e350dc
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcdecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bmpcdecoder
+Group=AudioDecoder
+Name=K3b Musepack Decoder
+Author=Sebastian Trueg
[email protected]
+Version=1.0
+Comment=Decoding module to decode Musepack audio files
+License=GPL
diff --git a/plugins/decoder/musepack/k3bmpcwrapper.cpp b/plugins/decoder/musepack/k3bmpcwrapper.cpp
new file mode 100644
index 0000000..9f54b28
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcwrapper.cpp
@@ -0,0 +1,193 @@
+/* 
+ *
+ * $Id: k3bmpcwrapper.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2005 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include "k3bmpcwrapper.h"
+
+#include <kdebug.h>
+#include <qfile.h>
+
+
+mpc_int32_t read_impl( void* data, void* ptr, mpc_int32_t size )
+{
+  QFile* input = static_cast<QFile*>( data );
+  return input->readBlock( (char*)ptr, size );
+}
+
+
+mpc_bool_t seek_impl( void* data, mpc_int32_t offset )
+{
+  QFile* input = static_cast<QFile*>( data );
+  return input->at( offset );
+}
+
+mpc_int32_t tell_impl( void* data )
+{
+  QFile* input = static_cast<QFile*>( data );
+  return input->at();
+}
+
+mpc_int32_t get_size_impl( void* data )
+{
+  QFile* input = static_cast<QFile*>( data );
+  return input->size();
+}
+
+mpc_bool_t canseek_impl( void* )
+{
+  return true;
+}
+
+
+#ifdef MPC_FIXED_POINT
+static int shift_signed( MPC_SAMPLE_FORMAT val, int shift )
+{
+  if(shift > 0)
+    val <<= shift;
+  else if(shift < 0)
+    val >>= -shift;
+  return (int) val;
+}
+#endif
+
+
+K3bMpcWrapper::K3bMpcWrapper()
+{
+  m_input = new QFile();
+
+  m_reader           = new mpc_reader;
+  m_reader->read     = read_impl;
+  m_reader->seek     = seek_impl;
+  m_reader->tell     = tell_impl;
+  m_reader->get_size = get_size_impl;
+  m_reader->canseek  = canseek_impl;
+  m_reader->data     = m_input;
+
+  m_decoder          = new mpc_decoder;
+
+  m_info             = new mpc_streaminfo;
+}
+
+
+K3bMpcWrapper::~K3bMpcWrapper()
+{
+  close();
+
+  delete m_reader;
+  delete m_decoder;
+  delete m_info;
+  delete m_input;
+}
+
+
+bool K3bMpcWrapper::open( const QString& filename )
+{
+  close();
+
+  m_input->setName( filename );
+
+  if( m_input->open( IO_ReadOnly ) ) {
+    mpc_streaminfo_init( m_info );
+    if( mpc_streaminfo_read( m_info, m_reader ) != ERROR_CODE_OK ) {
+      kdDebug() << "(K3bMpcWrapper) Not a valid musepack file: \"" << filename << "\"" << endl;
+      return false;
+    }
+    else {
+      mpc_decoder_setup( m_decoder, m_reader );
+      if( !mpc_decoder_initialize( m_decoder, m_info ) ) {
+	kdDebug() << "(K3bMpcWrapper) failed to initialize the Musepack decoder." << endl;
+	close();
+	return false;
+      }
+      else {
+	kdDebug() << "(K3bMpcWrapper) valid musepack file. " 
+		  << channels() << " Channels and Samplerate: " << samplerate() << endl;
+	return true;
+      }
+    }
+  }
+  else
+    return false;
+}
+
+
+void K3bMpcWrapper::close()
+{
+  m_input->close();
+}
+
+
+int K3bMpcWrapper::decode( char* data, int max )
+{
+  // FIXME: make this a member variable
+  MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
+
+  unsigned int samples = mpc_decoder_decode( m_decoder, sample_buffer, 0, 0 );
+
+  if( samples*channels()*2 > (unsigned int)max ) {
+    kdDebug() << "(K3bMpcWrapper) buffer not big enough." << endl;
+    return -1;
+  }
+
+  static const unsigned int bps = 16;
+  static const int clip_min = -1 << (bps - 1);
+  static const int clip_max = (1 << (bps - 1)) - 1;
+  static const int float_scale = 1 << (bps - 1);
+
+  for( unsigned int n = 0; n < samples*channels(); ++n ) {
+    int val = 0;
+
+#ifdef MPC_FIXED_POINT
+    val = shift_signed( sample_buffer[n],
+			bps - MPC_FIXED_POINT_SCALE_SHIFT);
+#else
+    val = (int)(sample_buffer[n] * float_scale);
+#endif
+
+    if( val < clip_min )
+      val = clip_min;
+    else if( val > clip_max )
+      val = clip_max;
+
+    data[2*n]   = (val>>8) & 0xff;
+    data[2*n+1] = val & 0xff;
+  }
+
+  return samples*channels()*2;
+}
+
+
+bool K3bMpcWrapper::seek( const K3b::Msf& msf )
+{
+  return mpc_decoder_seek_seconds( m_decoder, (double)msf.totalFrames()/75.0 );
+}
+
+
+K3b::Msf K3bMpcWrapper::length() const
+{
+  return K3b::Msf::fromSeconds( mpc_streaminfo_get_length( m_info ) );
+}
+
+
+int K3bMpcWrapper::samplerate() const
+{
+  return m_info->sample_freq;
+}
+
+
+unsigned int K3bMpcWrapper::channels() const
+{
+  return m_info->channels;
+}
+
diff --git a/plugins/decoder/musepack/k3bmpcwrapper.h b/plugins/decoder/musepack/k3bmpcwrapper.h
new file mode 100644
index 0000000..743e25f
--- /dev/null
+++ b/plugins/decoder/musepack/k3bmpcwrapper.h
@@ -0,0 +1,58 @@
+/* 
+ *
+ * $Id: k3bmpcwrapper.h 630384 2007-02-05 09:33:17Z mlaurent $
+ * Copyright (C) 2005 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_MPC_WRAPPER_H_
+#define _K3B_MPC_WRAPPER_H_
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <qstring.h>
+
+#include <k3bmsf.h>
+
+#include MPC_HEADER_FILE
+
+class QFile;
+
+
+class K3bMpcWrapper
+{
+ public:
+  K3bMpcWrapper();
+  ~K3bMpcWrapper();
+
+  bool open( const QString& filename );
+  void close();
+
+  int decode( char*, int max );
+
+  bool seek( const K3b::Msf& );
+
+  K3b::Msf length() const;
+  int samplerate() const;
+  unsigned int channels() const;
+
+  QFile* input() const { return m_input; }
+
+ private:
+  QFile* m_input;
+  mpc_reader* m_reader;
+  mpc_decoder* m_decoder;
+  mpc_streaminfo* m_info;
+};
+
+#endif
diff --git a/plugins/decoder/ogg/Makefile.am b/plugins/decoder/ogg/Makefile.am
new file mode 100644
index 0000000..6705be2
--- /dev/null
+++ b/plugins/decoder/ogg/Makefile.am
@@ -0,0 +1,13 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3b/core -I$(srcdir)/../../../libk3bdevice $(all_includes)
+
+kde_module_LTLIBRARIES = libk3boggvorbisdecoder.la
+
+libk3boggvorbisdecoder_la_SOURCES = k3boggvorbisdecoder.cpp
+
+libk3boggvorbisdecoder_la_LIBADD = ../../../libk3b/libk3b.la -logg -lvorbis -lvorbisfile 
+libk3boggvorbisdecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3boggvorbisdecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/ogg/configure.in.bot b/plugins/decoder/ogg/configure.in.bot
new file mode 100644
index 0000000..b27ab18
--- /dev/null
+++ b/plugins/decoder/ogg/configure.in.bot
@@ -0,0 +1,11 @@
+echo ""
+
+if test x$ogg_vorbis = xyes; then
+	echo "K3b - Ogg Vorbis support:                    yes"
+else
+	echo "K3b - Ogg Vorbis support:                     no"
+if test "$ac_cv_use_oggvorbis" = "yes"; then
+	echo "K3b -     You are missing the Ogg-Vorbis headers and libraries."
+	echo "K3b -     The Ogg Vorbis decoding and encoding plugins won't be compiled."
+fi
+fi
diff --git a/plugins/decoder/ogg/configure.in.in b/plugins/decoder/ogg/configure.in.in
new file mode 100644
index 0000000..69b1b9c
--- /dev/null
+++ b/plugins/decoder/ogg/configure.in.in
@@ -0,0 +1,32 @@
+dnl === Ogg Vorbis Test - Begin ===
+AC_ARG_WITH(
+	oggvorbis, 
+	AS_HELP_STRING([--without-oggvorbis], [build K3b without OggVorbis support (default=no)]), 
+	[ac_cv_use_oggvorbis=$withval], 
+	[ac_cv_use_oggvorbis=yes]
+)
+
+if test "$ac_cv_use_oggvorbis" = "yes"; then
+
+  AC_MSG_CHECKING(for ogg/vorbis headers)
+  ogg_vorbis=no
+  AC_TRY_COMPILE([
+  		#include <vorbis/codec.h>
+  		#include <vorbis/vorbisfile.h>
+                ],[
+                ],[
+                ogg_vorbis=yes
+                ])
+  AC_MSG_RESULT($ogg_vorbis)
+  if test x$ogg_vorbis = xyes; then
+     dnl we need the ogg_vorbis_lib because otherwise we override LIBS !
+     AC_CHECK_LIB(vorbisfile,ov_open,ogg_vorbis_lib=yes,
+                  ogg_vorbis=no,[$all_libraries -lvorbisfile -lvorbis -logg])
+  fi
+  if test x$ogg_vorbis = xyes; then
+	AC_DEFINE(OGG_VORBIS,1,[Define if you have ogg/vorbis installed])
+  fi
+fi
+
+AM_CONDITIONAL(include_OGG, [test x$ogg_vorbis = xyes])
+dnl === Ogg Vorbis Test - End ===
diff --git a/plugins/decoder/ogg/k3boggvorbisdecoder.cpp b/plugins/decoder/ogg/k3boggvorbisdecoder.cpp
new file mode 100644
index 0000000..15ca665
--- /dev/null
+++ b/plugins/decoder/ogg/k3boggvorbisdecoder.cpp
@@ -0,0 +1,252 @@
+/* 
+ *
+ * $Id$
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3boggvorbisdecoder.h"
+
+#include <k3bpluginfactory.h>
+
+#include <qfile.h>
+#include <qstringlist.h>
+
+#include <kurl.h>
+#include <kdebug.h>
+#include <klocale.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <vorbis/codec.h>
+#include <vorbis/vorbisfile.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3boggvorbisdecoder, K3bPluginFactory<K3bOggVorbisDecoderFactory>( "libk3boggvorbisdecoder" ) )
+
+
+class K3bOggVorbisDecoder::Private
+{
+public:
+  Private()
+    : vInfo(0),
+      vComment(0),
+      isOpen(false) {
+  }
+
+  OggVorbis_File oggVorbisFile;
+  vorbis_info* vInfo;
+  vorbis_comment* vComment;
+  bool isOpen;
+};
+
+
+K3bOggVorbisDecoder::K3bOggVorbisDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  d = new Private();
+}
+
+
+K3bOggVorbisDecoder::~K3bOggVorbisDecoder()
+{
+  delete d;
+}
+
+
+bool K3bOggVorbisDecoder::openOggVorbisFile()
+{
+  if( !d->isOpen ) {
+    FILE* file = fopen( QFile::encodeName(filename()), "r" );
+    if( !file ) {
+      kdDebug() << "(K3bOggVorbisDecoder) Could not open file " << filename() << endl;
+      return false;
+    }
+    else if( ov_open( file, &d->oggVorbisFile, 0, 0 ) ) {
+      kdDebug() << "(K3bOggVorbisDecoder) " << filename() 
+		<< " seems not to to be an ogg vorbis file." << endl;
+      fclose( file );
+      return false;
+    }
+  }
+
+  d->isOpen = true;
+  return true;
+}
+
+
+bool K3bOggVorbisDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  cleanup();
+
+  if( openOggVorbisFile() ) {
+    // check length of track
+    double seconds = ov_time_total( &d->oggVorbisFile, -1 );
+    if( seconds == OV_EINVAL ) {
+      kdDebug() << "(K3bOggVorbisDecoder) Could not determine length of file " << filename() << endl;
+      cleanup();
+      return false;
+    }
+    else {
+
+      d->vInfo = ov_info( &d->oggVorbisFile, -1 /* current bitstream */ );
+      d->vComment = ov_comment( &d->oggVorbisFile, -1 );
+
+      // add meta tags
+      for( int i = 0; i < d->vComment->comments; ++i ) {
+	QString comment = QString::fromUtf8( d->vComment->user_comments[i] );
+	QStringList values = QStringList::split( "=", comment );
+	if( values.count() > 1 ) {
+	  if( values[0].lower() == "title" )
+	    addMetaInfo( META_TITLE, values[1] );
+	  else if( values[0].lower() == "artist" )
+	    addMetaInfo( META_ARTIST, values[1] );
+	  else if( values[0].lower() == "description" )
+	    addMetaInfo( META_COMMENT, values[1] );
+	}
+      }
+
+
+      // add technical infos
+      addTechnicalInfo( i18n("Version"), QString::number(d->vInfo->version) );
+      addTechnicalInfo( i18n("Channels"), QString::number(d->vInfo->channels) );
+      addTechnicalInfo( i18n("Sampling Rate"), i18n("%1 Hz").arg(d->vInfo->rate) );
+      if( d->vInfo->bitrate_upper > 0 )
+	addTechnicalInfo( i18n("Bitrate Upper"), i18n( "%1 bps" ).arg(d->vInfo->bitrate_upper) );
+      if( d->vInfo->bitrate_nominal > 0 )
+	addTechnicalInfo( i18n("Bitrate Nominal"), i18n( "%1 bps" ).arg(d->vInfo->bitrate_nominal) );
+      if( d->vInfo->bitrate_lower > 0 )
+	addTechnicalInfo( i18n("Bitrate Lower"), i18n( "%1 bps" ).arg(d->vInfo->bitrate_lower) );
+
+      frames = K3b::Msf::fromSeconds(seconds);
+      samplerate = d->vInfo->rate;
+      ch = d->vInfo->channels;
+
+      cleanup();
+
+      return true;
+    }
+  }
+  else
+    return false;
+}
+
+
+bool K3bOggVorbisDecoder::initDecoderInternal()
+{
+  cleanup();
+  return openOggVorbisFile();
+}
+
+
+int K3bOggVorbisDecoder::decodeInternal( char* data, int maxLen )
+{
+  int bitStream = 0;
+  long bytesRead = ov_read( &d->oggVorbisFile, 
+			    data,
+			    maxLen,  // max length to be read
+			    1,                   // big endian
+			    2,                   // word size: 16-bit samples
+			    1,                   // signed
+			    &bitStream );        // current bitstream
+
+  if( bitStream != 0 ) {
+    kdDebug() << "(K3bOggVorbisDecoder) bitstream != 0. Multible bitstreams not supported." << endl;
+    return -1;
+  }
+  
+  else if( bytesRead == OV_HOLE ) {
+    kdDebug() << "(K3bOggVorbisDecoder) OV_HOLE" << endl;
+    // recursive new try
+    return decodeInternal( data, maxLen );
+  }
+
+  else if( bytesRead < 0 ) {
+    kdDebug() << "(K3bOggVorbisDecoder) Error: " << bytesRead << endl;
+    return -1;
+  }
+
+  else if( bytesRead == 0 ) {
+    kdDebug() << "(K3bOggVorbisDecoder) successfully finished decoding." << endl;
+    return 0;
+  }
+
+  else {
+    return bytesRead;
+  }
+}
+
+
+void K3bOggVorbisDecoder::cleanup()
+{
+  if( d->isOpen )
+    ov_clear( &d->oggVorbisFile );
+  d->isOpen = false;
+  d->vComment = 0;
+  d->vInfo = 0;
+}
+
+
+bool K3bOggVorbisDecoder::seekInternal( const K3b::Msf& pos )
+{
+  return ( ov_pcm_seek( &d->oggVorbisFile, pos.pcmSamples() ) == 0 );
+}
+
+
+QString K3bOggVorbisDecoder::fileType() const
+{
+  return i18n("Ogg-Vorbis");
+}
+
+
+K3bOggVorbisDecoderFactory::K3bOggVorbisDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bOggVorbisDecoderFactory::~K3bOggVorbisDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bOggVorbisDecoderFactory::createDecoder( QObject* parent, 
+							    const char* name ) const
+{
+  return new K3bOggVorbisDecoder( parent, name );
+}
+
+
+bool K3bOggVorbisDecoderFactory::canDecode( const KURL& url )
+{
+  FILE* file = fopen( QFile::encodeName(url.path()), "r" );
+  if( !file ) {
+    kdDebug() << "(K3bOggVorbisDecoder) Could not open file " << url.path() << endl;
+    return false;
+  }
+
+  OggVorbis_File of;
+
+  if( ov_open( file, &of, 0, 0 ) ) {
+    fclose( file );
+    kdDebug() << "(K3bOggVorbisDecoder) not an Ogg-Vorbis file: " << url.path() << endl;
+    return false;
+  }
+
+  ov_clear( &of );
+
+  return true;
+}
+
+
+#include "k3boggvorbisdecoder.moc"
diff --git a/plugins/decoder/ogg/k3boggvorbisdecoder.h b/plugins/decoder/ogg/k3boggvorbisdecoder.h
new file mode 100644
index 0000000..20ae094
--- /dev/null
+++ b/plugins/decoder/ogg/k3boggvorbisdecoder.h
@@ -0,0 +1,72 @@
+/* 
+ *
+ * $Id: k3boggvorbisdecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+
+#ifndef _K3B_OGGVORBIS_DECODER_H_
+#define _K3B_OGGVORBIS_DECODER_H_
+
+
+#include <k3baudiodecoder.h>
+
+class KURL;
+
+
+class K3bOggVorbisDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bOggVorbisDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bOggVorbisDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+/**
+  *@author Sebastian Trueg
+  */
+class K3bOggVorbisDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public: 
+  K3bOggVorbisDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bOggVorbisDecoder();
+
+  void cleanup();
+
+  QString fileType() const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+  bool seekInternal( const K3b::Msf& );
+
+  int decodeInternal( char* _data, int maxLen );
+
+ private:
+  bool openOggVorbisFile();
+
+  class Private;
+  Private* d;
+};
+
+#endif
diff --git a/plugins/decoder/ogg/k3boggvorbisdecoder.plugin b/plugins/decoder/ogg/k3boggvorbisdecoder.plugin
new file mode 100644
index 0000000..0f1c48e
--- /dev/null
+++ b/plugins/decoder/ogg/k3boggvorbisdecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3boggvorbisdecoder
+Group=AudioDecoder
+Name=K3b Ogg Vorbis Decoder
+Author=Sebastian Trueg
[email protected]
+Version=3.0
+Comment=Decoding module to decode Ogg Vorbis files
+License=GPL
diff --git a/plugins/decoder/skeleton.cpp b/plugins/decoder/skeleton.cpp
new file mode 100644
index 0000000..940814b
--- /dev/null
+++ b/plugins/decoder/skeleton.cpp
@@ -0,0 +1,101 @@
+/* 
+ *
+ * $Id: skeleton.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3b<name>decoder.h"
+
+#include <k3bpluginfactory.h>
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3b<name>decoder, K3bPluginFactory<K3b<name>DecoderFactory>( "libk3b<name>decoder" ) )
+
+
+K3b<name>DecoderFactory::K3b<name>DecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3b<name>DecoderFactory::~K3b<name>DecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3b<name>DecoderFactory::createDecoder( QObject* parent, 
+							 const char* name ) const
+{
+  return new K3b<name>Decoder( parent, name );
+}
+
+
+bool K3b<name>DecoderFactory::canDecode( const KURL& url )
+{
+  // PUT YOUR CODE HERE
+  return false;
+}
+
+
+
+
+
+
+K3b<name>Decoder::K3b<name>Decoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+}
+
+
+K3b<name>Decoder::~K3b<name>Decoder()
+{
+}
+
+
+QString K3b<name>Decoder::fileType() const
+{
+  // PUT YOUR CODE HERE
+}
+
+
+bool K3b<name>Decoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch )
+{
+  // PUT YOUR CODE HERE
+  // call addTechnicalInfo and addMetaInfo here
+  return false;
+}
+
+
+bool K3b<name>Decoder::initDecoderInternal()
+{
+  // PUT YOUR CODE HERE
+  return false;
+}
+
+
+bool K3b<name>Decoder::seekInternal( const K3b::Msf& )
+{
+  // PUT YOUR CODE HERE
+  return false;
+}
+
+
+int K3b<name>Decoder::decodeInternal( char* _data, int maxLen )
+{
+  // PUT YOUR CODE HERE
+  return -1;
+}
+
+
+#include "k3b<name>decoder.moc"
diff --git a/plugins/decoder/skeleton.h b/plugins/decoder/skeleton.h
new file mode 100644
index 0000000..00f5d15
--- /dev/null
+++ b/plugins/decoder/skeleton.h
@@ -0,0 +1,57 @@
+/* 
+ *
+ * $Id: skeleton.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_<name>_DECODER_H_
+#define _K3B_<name>_DECODER_H_
+
+#include <k3baudiodecoder.h>
+
+
+class K3b<name>DecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3b<name>DecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3b<name>DecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class K3b<name>Decoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3b<name>Decoder( QObject* parent = 0, const char* name = 0 );
+  ~K3b<name>Decoder();
+
+  QString fileType() const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& ch );
+  bool initDecoderInternal();
+  bool seekInternal( const K3b::Msf& );
+
+  int decodeInternal( char* _data, int maxLen );
+};
+
+#endif
diff --git a/plugins/decoder/skeleton.plugin b/plugins/decoder/skeleton.plugin
new file mode 100644
index 0000000..c9bc0f4
--- /dev/null
+++ b/plugins/decoder/skeleton.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=lib<name>decoder
+Group=AudioDecoder
+Name=K3b ??? Decoder
+Author=???
+Email=???
+Version=0.1
+Comment=Decoding module to decode ??? files
+License=???
diff --git a/plugins/decoder/wave/Makefile.am b/plugins/decoder/wave/Makefile.am
new file mode 100644
index 0000000..5debea1
--- /dev/null
+++ b/plugins/decoder/wave/Makefile.am
@@ -0,0 +1,13 @@
+AM_CPPFLAGS = -I$(srcdir)/../../../libk3b/plugin -I$(srcdir)/../../../libk3b/core -I$(srcdir)/../../../libk3bdevice $(all_includes)
+
+kde_module_LTLIBRARIES = libk3bwavedecoder.la
+
+libk3bwavedecoder_la_SOURCES = k3bwavedecoder.cpp
+
+libk3bwavedecoder_la_LIBADD = $(LIB_KDECORE) ../../../libk3b/libk3b.la
+libk3bwavedecoder_la_LDFLAGS = -avoid-version -module -no-undefined $(all_libraries)
+
+pluginsdir = $(kde_datadir)/k3b/plugins
+plugins_DATA = k3bwavedecoder.plugin
+
+METASOURCES = AUTO
diff --git a/plugins/decoder/wave/k3bwavedecoder.cpp b/plugins/decoder/wave/k3bwavedecoder.cpp
new file mode 100644
index 0000000..6494e5c
--- /dev/null
+++ b/plugins/decoder/wave/k3bwavedecoder.cpp
@@ -0,0 +1,392 @@
+/* 
+ *
+ * $Id: k3bwavedecoder.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#include <config.h>
+
+#include "k3bwavedecoder.h"
+
+#include <k3bpluginfactory.h>
+
+#include <qfile.h>
+#include <qcstring.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+
+
+K_EXPORT_COMPONENT_FACTORY( libk3bwavedecoder, K3bPluginFactory<K3bWaveDecoderFactory>( "libk3bwavedecoder" ) )
+
+
+static unsigned short le_a_to_u_short( unsigned char* a ) {
+  return ((unsigned short) 
+	  ((a[0]       & 0xFF) | 
+	   (a[1] << 8  & 0xFF00)) );
+}
+
+static unsigned long le_a_to_u_long( unsigned char* a ) {
+  return ((unsigned long) 
+	  ((a[0]       & 0xFF) | 
+	   (a[1] << 8  & 0xFF00) | 
+	   (a[2] << 16 & 0xFF0000) | 
+	   (a[3] << 24 & 0xFF000000)) );
+}
+
+
+/**
+ * Returns the length of the wave file in bytes
+ * Otherwise 0 is returned.
+ * leave file seek pointer past WAV header.
+ */
+static unsigned long identifyWaveFile( QFile* f, int* samplerate = 0, int* channels = 0, int* samplesize = 0 )
+{
+  typedef struct {
+    unsigned char	ckid[4];
+    unsigned char	cksize[4];
+  } chunk_t;
+
+  typedef struct {
+    unsigned char	wave[4];
+  } riff_chunk;
+
+  typedef struct {
+    unsigned char	fmt_tag[2];
+    unsigned char	channels[2];
+    unsigned char	sample_rate[4];
+    unsigned char	av_byte_rate[4];
+    unsigned char	block_size[2];
+    unsigned char	bits_per_sample[2];
+  } fmt_chunk;
+ 
+  static const char* WAV_RIFF_MAGIC = "RIFF";		// Magic for file format
+  static const char* WAV_WAVE_MAGIC = "WAVE";		// Magic for Waveform Audio
+  static const char* WAV_FMT_MAGIC  = "fmt ";		// Start of Waveform format
+  static const char* WAV_DATA_MAGIC = "data";		// Start of data chunk
+
+  chunk_t chunk;
+  riff_chunk riff;
+  fmt_chunk fmt;
+
+
+  // read riff chunk
+  if( f->readBlock( (char*)&chunk, sizeof(chunk) ) != sizeof(chunk) ) {
+    kdDebug() << "(K3bWaveDecoder) unable to read from " << f->name() << endl;
+    return 0;
+  }
+  if( qstrncmp( (char*)chunk.ckid, WAV_RIFF_MAGIC, 4 ) ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": not a RIFF file." << endl;
+    return 0;
+  }
+
+  // read wave chunk
+  if( f->readBlock( (char*)&riff, sizeof(riff) ) != sizeof(riff) ) {
+    kdDebug() << "(K3bWaveDecoder) unable to read from " << f->name() << endl;
+    return 0;
+  }
+  if( qstrncmp( (char*)riff.wave, WAV_WAVE_MAGIC, 4 ) ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": not a WAVE file." << endl;
+    return 0;
+  }
+
+
+  // read fmt chunk
+  if( f->readBlock( (char*)&chunk, sizeof(chunk) ) != sizeof(chunk) ) {
+    kdDebug() << "(K3bWaveDecoder) unable to read from " << f->name() << endl;
+    return 0;
+  }
+  if( qstrncmp( (char*)chunk.ckid, WAV_FMT_MAGIC, 4 ) ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": could not find format chunk." << endl;
+    return 0;
+  }
+  if( f->readBlock( (char*)&fmt, sizeof(fmt) ) != sizeof(fmt) ) {
+    kdDebug() << "(K3bWaveDecoder) unable to read from " << f->name() << endl;
+    return 0;
+  }
+  if( le_a_to_u_short(fmt.fmt_tag) != 1 ||
+      le_a_to_u_short(fmt.channels) > 2 ||
+      ( le_a_to_u_short(fmt.bits_per_sample) != 16 &&
+	le_a_to_u_short(fmt.bits_per_sample) != 8 ) ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": wrong format:" << endl
+	      << "                format:      " << le_a_to_u_short(fmt.fmt_tag) << endl
+	      << "                channels:    " << le_a_to_u_short(fmt.channels) << endl
+	      << "                samplerate:  " << le_a_to_u_long(fmt.sample_rate) << endl
+	      << "                bits/sample: " << le_a_to_u_short(fmt.bits_per_sample) << endl;
+    return 0;
+  }
+
+  int sampleRate = le_a_to_u_long(fmt.sample_rate);
+  int ch = le_a_to_u_short(fmt.channels);
+  int sampleSize = le_a_to_u_short(fmt.bits_per_sample);;
+  if( samplerate )
+    *samplerate = sampleRate;
+  if( channels )
+    *channels = ch;
+  if( samplesize )
+    *samplesize = sampleSize;
+
+  // skip all other (unknown) format chunk fields
+  if( !f->at( f->at() + le_a_to_u_long(chunk.cksize) - sizeof(fmt) ) ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": could not seek in file." << endl;
+    return 0;
+  }
+
+
+  // find data chunk
+  bool foundData = false;
+  while( !foundData ) {
+    if( f->readBlock( (char*)&chunk, sizeof(chunk) ) != sizeof(chunk) ) {
+      kdDebug() << "(K3bWaveDecoder) unable to read from " << f->name() << endl;
+      return 0;
+    }
+
+    // skip chunk data of unknown chunk
+    if( qstrncmp( (char*)chunk.ckid, WAV_DATA_MAGIC, 4 ) ) {
+      kdDebug() << "(K3bWaveDecoder) skipping chunk: " << (char*)chunk.ckid << endl;
+      if( !f->at( f->at() + le_a_to_u_long(chunk.cksize) ) ) {
+        kdDebug() << "(K3bWaveDecoder) " << f->name() << ": could not seek in file." << endl;
+        return 0;
+      }
+    }
+    else
+      foundData = true;
+  }
+
+  // found data chunk
+  unsigned long size = le_a_to_u_long(chunk.cksize);
+  if( f->at() + size > (unsigned long)f->size() ) {
+    kdDebug() << "(K3bWaveDecoder) " << f->name() << ": file length " << f->size() 
+    << " does not match length from WAVE header " << f->at() << " + " << size
+    << " - using actual length." << endl;
+    size = (f->size() - f->at());
+  }
+
+  return size;
+}
+
+
+class K3bWaveDecoder::Private {
+public:
+  Private()
+    : buffer(0),
+      bufferSize(0) {
+  }
+
+  QFile* file;
+
+  long headerLength;
+  int sampleRate;
+  int channels;
+  int sampleSize;
+  unsigned long size;
+  unsigned long alreadyRead;
+
+  char* buffer;
+  int bufferSize;
+};
+
+
+K3bWaveDecoder::K3bWaveDecoder( QObject* parent, const char* name )
+  : K3bAudioDecoder( parent, name )
+{
+  d = new Private();
+  d->file = new QFile();
+}
+
+
+K3bWaveDecoder::~K3bWaveDecoder()
+{
+  delete d->file;
+  delete d;
+}
+
+
+int K3bWaveDecoder::decodeInternal( char* _data, int maxLen )
+{
+  int read = 0;
+
+  maxLen = QMIN( maxLen, (int)(d->size - d->alreadyRead) );
+
+  if( d->sampleSize == 16 ) {
+    read = d->file->readBlock( _data, maxLen );
+    if( read > 0 ) {
+      d->alreadyRead += read;
+
+      if( read % 2 > 0 ) {
+	kdDebug() << "(K3bWaveDecoder) data length is not a multiple of 2! Cutting data." << endl;
+	read -= 1;
+      }
+
+      // swap bytes
+      char buf;
+      for( int i = 0; i < read; i+=2 ) {
+	buf = _data[i];
+	_data[i] = _data[i+1];
+	_data[i+1] = buf;
+      }
+    }
+  }
+  else {
+    if( !d->buffer ) {
+      d->buffer = new char[maxLen/2];
+      d->bufferSize = maxLen/2;
+    }
+
+    read = d->file->readBlock( d->buffer, QMIN(maxLen/2, d->bufferSize) );
+    d->alreadyRead += read;
+
+    // stretch samples to 16 bit
+    from8BitTo16BitBeSigned( d->buffer, _data, read );
+
+    read *= 2;
+  }
+
+  return read;
+}
+
+
+bool K3bWaveDecoder::analyseFileInternal( K3b::Msf& frames, int& samplerate, int& channels )
+{
+  // handling wave files is very easy...
+  if( initDecoderInternal() ) {
+
+    //
+    // d->size is the number of bytes in the wave file
+    //
+    unsigned long size = d->size;
+    if( d->sampleRate != 44100 )
+      size = (int)((double)size * 44100.0 / (double)d->sampleRate);
+
+    if( d->sampleSize == 8 )
+      size *= 2;
+    if( d->channels == 1 )
+      size *= 2;
+
+    //
+    // we pad to a multiple of 2352 bytes 
+    // (the actual padding of zero data will be done by the K3bAudioDecoder class)
+    //
+    if( (size%2352) > 0 )
+      size = (size/2352) + 1;
+    else
+      size = size/2352;
+
+    frames = size;
+    samplerate = d->sampleRate;
+    channels = d->channels;
+    return true;
+  }
+  else
+    return false;
+}
+
+
+bool K3bWaveDecoder::initDecoderInternal()
+{
+  cleanup();
+
+  d->file->setName( filename() );
+  if( !d->file->open( IO_ReadOnly ) ) {
+    kdDebug() << "(K3bWaveDecoder) could not open file." << endl;
+    return false;
+  }
+
+  // skip the header
+  d->size = identifyWaveFile( d->file, &d->sampleRate, &d->channels, &d->sampleSize );
+  if( d->size <= 0 ) {
+    kdDebug() << "(K3bWaveDecoder) no supported wave file." << endl;
+    cleanup();
+    return false;
+  }
+
+  d->headerLength = d->file->at();
+  d->alreadyRead = 0;
+
+  return true;
+}
+
+
+bool K3bWaveDecoder::seekInternal( const K3b::Msf& pos )
+{
+  return( d->file->at( d->headerLength + (pos.totalFrames()*2352) ) );
+}
+
+
+void K3bWaveDecoder::cleanup()
+{
+  if( d->file->isOpen() )
+    d->file->close();
+}
+
+
+QString K3bWaveDecoder::fileType() const
+{
+  return i18n("WAVE");
+}
+
+
+QStringList K3bWaveDecoder::supportedTechnicalInfos() const
+{
+  return QStringList::split( ";", 
+			     i18n("Channels") + ";" +
+			     i18n("Sampling Rate") + ";" +
+			     i18n("Sample Size") );
+}
+
+
+QString K3bWaveDecoder::technicalInfo( const QString& name ) const
+{
+  if( name == i18n("Channels") )
+    return QString::number(d->channels);
+  else if( name == i18n("Sampling Rate") )
+    return i18n("%1 Hz").arg(d->sampleRate);
+  else if( name == i18n("Sample Size") )
+    return i18n("%1 bits").arg(d->sampleSize);
+  else
+    return QString::null;
+}
+
+
+K3bWaveDecoderFactory::K3bWaveDecoderFactory( QObject* parent, const char* name )
+  : K3bAudioDecoderFactory( parent, name )
+{
+}
+
+
+K3bWaveDecoderFactory::~K3bWaveDecoderFactory()
+{
+}
+
+
+K3bAudioDecoder* K3bWaveDecoderFactory::createDecoder( QObject* parent, 
+						       const char* name ) const
+{
+  return new K3bWaveDecoder( parent, name );
+}
+
+
+bool K3bWaveDecoderFactory::canDecode( const KURL& url ) 
+{
+  QFile f( url.path() );
+  if( !f.open(	IO_ReadOnly ) ) {
+    kdDebug() << "(K3bWaveDecoder) could not open file " << url.path() << endl;
+    return false;
+  }
+
+  return (identifyWaveFile( &f ) > 0);
+}
+
+
+
+#include "k3bwavedecoder.moc"
diff --git a/plugins/decoder/wave/k3bwavedecoder.h b/plugins/decoder/wave/k3bwavedecoder.h
new file mode 100644
index 0000000..3f92e9a
--- /dev/null
+++ b/plugins/decoder/wave/k3bwavedecoder.h
@@ -0,0 +1,74 @@
+/* 
+ *
+ * $Id: k3bwavedecoder.h 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2003 Sebastian Trueg <[email protected]>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * See the file "COPYING" for the exact licensing terms.
+ */
+
+#ifndef _K3B_WAVE_DECODER_H_
+#define _K3B_WAVE_DECODER_H_
+
+#include <k3baudiodecoder.h>
+#include <k3b_export.h>
+
+#include <kurl.h>
+#include <qcstring.h>
+
+
+class QFile;
+
+
+class LIBK3B_EXPORT K3bWaveDecoderFactory : public K3bAudioDecoderFactory
+{
+  Q_OBJECT
+
+ public:
+  K3bWaveDecoderFactory( QObject* parent = 0, const char* name = 0 );
+  ~K3bWaveDecoderFactory();
+
+  bool canDecode( const KURL& filename );
+
+  int pluginSystemVersion() const { return 3; }
+
+  K3bAudioDecoder* createDecoder( QObject* parent = 0, 
+				  const char* name = 0 ) const;
+};
+
+
+class LIBK3B_EXPORT K3bWaveDecoder : public K3bAudioDecoder
+{
+  Q_OBJECT
+
+ public:
+  K3bWaveDecoder( QObject* parent = 0, const char* name = 0 );
+  ~K3bWaveDecoder();
+
+  void cleanup();
+
+  bool seekInternal( const K3b::Msf& );
+
+  QString fileType() const;
+
+  QStringList supportedTechnicalInfos() const;
+
+  QString technicalInfo( const QString& ) const;
+
+ protected:
+  bool analyseFileInternal( K3b::Msf& frames, int& samplerate, int& channels );
+  bool initDecoderInternal();
+  int decodeInternal( char* data, int maxLen );
+
+ private:
+  class Private;
+  Private* d;
+};
+
+#endif
diff --git a/plugins/decoder/wave/k3bwavedecoder.plugin b/plugins/decoder/wave/k3bwavedecoder.plugin
new file mode 100644
index 0000000..7b0a4f4
--- /dev/null
+++ b/plugins/decoder/wave/k3bwavedecoder.plugin
@@ -0,0 +1,9 @@
+[K3b Plugin]
+Lib=libk3bwavedecoder
+Group=AudioDecoder
+Name=K3b Wave Decoder
+Author=Sebastian Trueg
[email protected]
+Version=3.0
+Comment=Decoding module to decode wave files
+License=GPL