Added KDE3 version of SoundKonverter

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/soundkonverter@1097614 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

8 files changed, 965 insertions, 0 deletions

diff --git a/src/metadata/wavpack/Makefile.am b/src/metadata/wavpack/Makefile.am
new file mode 100644
index 0000000..93a98c6
--- /dev/null
+++ b/src/metadata/wavpack/Makefile.am
@@ -0,0 +1,16 @@
+SUBDIRS =
+
+INCLUDES           = $(all_includes) $(taglib_includes)
+METASOURCES        = AUTO
+libtagwavpack_la_LDFLAGS  = $(all_libraries)
+noinst_LTLIBRARIES = libtagwavpack.la
+
+libtagwavpack_la_SOURCES = \
+                           wvfile.cpp \
+                           wvproperties.cpp \
+                           taglib_wavpackfiletyperesolver.cpp
+
+noinst_HEADERS =     wvfile.h \
+                     wvproperties.h \
+                     taglib_wavpackfiletyperesolver.h
+
diff --git a/src/metadata/wavpack/combinedtag.h b/src/metadata/wavpack/combinedtag.h
new file mode 100644
index 0000000..7d530d2
--- /dev/null
+++ b/src/metadata/wavpack/combinedtag.h
@@ -0,0 +1,171 @@
+/***************************************************************************
+    copyright            : (C) 2004 by Allan Sandfeld Jensen
+    email                : kde@carewolf.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#ifndef DO_NOT_DOCUMENT // Tell Doxygen not to document this header
+
+#ifndef TAGLIB_COMBINEDTAG_H
+#define TAGLIB_COMBINEDTAG_H
+
+////////////////////////////////////////////////////////////////////////////////
+// Note that this header is not installed.
+////////////////////////////////////////////////////////////////////////////////
+
+#include <tag.h>
+
+namespace TagLib {
+
+  /*!
+   * A union of two TagLib::Tags.
+   */
+  class CombinedTag : public TagLib::Tag
+  {
+  public:
+    CombinedTag(Tag *tag1 = 0, Tag *tag2 = 0)
+               : TagLib::Tag(),
+                 tag1(tag1), tag2(tag2) {}
+
+    virtual String title() const {
+      if(tag1 && !tag1->title().isEmpty())
+          return tag1->title();
+
+      if(tag2)
+          return tag2->title();
+
+      return String::null;
+    }
+
+    virtual String artist() const {
+      if(tag1 && !tag1->artist().isEmpty())
+          return tag1->artist();
+
+      if(tag2)
+          return tag2->artist();
+
+      return String::null;
+    }
+
+    virtual String album() const {
+      if(tag1 && !tag1->album().isEmpty())
+          return tag1->album();
+
+      if(tag2)
+          return tag2->album();
+
+      return String::null;
+    }
+
+    virtual String comment() const {
+      if(tag1 && !tag1->comment().isEmpty())
+          return tag1->comment();
+
+      if(tag2)
+          return tag2->comment();
+
+      return String::null;
+    }
+
+    virtual String genre() const {
+      if(tag1 && !tag1->genre().isEmpty())
+          return tag1->genre();
+
+      if(tag2)
+          return tag2->genre();
+
+      return String::null;
+    }
+
+    virtual uint year() const {
+      if(tag1 && tag1->year() > 0)
+          return tag1->year();
+
+      if(tag2)
+          return tag2->year();
+
+      return 0;
+    }
+
+    virtual uint track() const {
+      if(tag1 && tag1->track() > 0)
+          return tag1->track();
+
+      if(tag2)
+          return tag2->track();
+
+      return 0;
+    }
+
+    virtual void setTitle(const String &s) {
+      if(tag1)
+          tag1->setTitle(s);
+      if(tag2)
+          tag2->setTitle(s);
+    }
+
+    virtual void setArtist(const String &s) {
+      if(tag1)
+          tag1->setArtist(s);
+      if(tag2)
+          tag2->setArtist(s);
+    }
+
+    virtual void setAlbum(const String &s) {
+      if(tag1)
+          tag1->setAlbum(s);
+      if(tag2)
+          tag2->setAlbum(s);
+    }
+
+    virtual void setComment(const String &s) {
+      if(tag1)
+          tag1->setComment(s);
+      if(tag2)
+          tag2->setComment(s);
+    }
+
+    virtual void setGenre(const String &s) {
+      if(tag1)
+          tag1->setGenre(s);
+      if(tag2)
+          tag2->setGenre(s);
+    }
+
+    virtual void setYear(uint i) {
+      if(tag1)
+          tag1->setYear(i);
+      if(tag2)
+          tag2->setYear(i);
+    }
+
+    virtual void setTrack(uint i) {
+      if(tag1)
+          tag1->setTrack(i);
+      if(tag2)
+          tag2->setTrack(i);
+    }
+
+  private:
+      Tag *tag1;
+      Tag *tag2;
+  };
+}
+
+#endif
+#endif
diff --git a/src/metadata/wavpack/taglib_wavpackfiletyperesolver.cpp b/src/metadata/wavpack/taglib_wavpackfiletyperesolver.cpp
new file mode 100644
index 0000000..fe289a2
--- /dev/null
+++ b/src/metadata/wavpack/taglib_wavpackfiletyperesolver.cpp
@@ -0,0 +1,44 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Martin Aumueller
+    email                : aumuell@reserv.at
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#include "taglib_wavpackfiletyperesolver.h"
+#include "wvfile.h"
+
+#include <string.h>
+
+TagLib::File *WavPackFileTypeResolver::createFile(const char *fileName,
+        bool readProperties,
+        TagLib::AudioProperties::ReadStyle propertiesStyle) const
+{
+    const char *ext = strrchr(fileName, '.');
+    if(ext && !strcasecmp(ext, ".wv"))
+    {
+        TagLib::WavPack::File *f = new TagLib::WavPack::File(fileName, readProperties, propertiesStyle);
+        if(f->isValid())
+            return f;
+        else
+        {
+            delete f;
+        }
+    }
+
+    return 0;
+}
diff --git a/src/metadata/wavpack/taglib_wavpackfiletyperesolver.h b/src/metadata/wavpack/taglib_wavpackfiletyperesolver.h
new file mode 100644
index 0000000..b9d4500
--- /dev/null
+++ b/src/metadata/wavpack/taglib_wavpackfiletyperesolver.h
@@ -0,0 +1,36 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Martin Aumueller
+    email                : aumuell@reserv.at
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#ifndef TAGLIB_WAVPACKFILETYPERESOLVER_H
+#define TAGLIB_WAVPACKFILETYPERESOLVER_H
+
+#include <taglib/tfile.h>
+#include <taglib/fileref.h>
+
+
+class WavPackFileTypeResolver : public TagLib::FileRef::FileTypeResolver
+{
+    TagLib::File *createFile(const char *fileName,
+            bool readAudioProperties,
+            TagLib::AudioProperties::ReadStyle audioPropertiesStyle) const;
+};
+
+#endif
diff --git a/src/metadata/wavpack/wvfile.cpp b/src/metadata/wavpack/wvfile.cpp
new file mode 100644
index 0000000..3890bc9
--- /dev/null
+++ b/src/metadata/wavpack/wvfile.cpp
@@ -0,0 +1,311 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Lukáš Lalinský
+    email                : lalinsky@gmail.com
+    
+    copyright            : (C) 2004 by Allan Sandfeld Jensen 
+    email                : kde@carewolf.org 
+                           (original MPC implementation)
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#include <tbytevector.h>
+#include <tstring.h>
+#if 0
+#include <tdebug.h>
+#endif
+
+#include "wvfile.h"
+#include "id3v1tag.h"
+#include "id3v2header.h" 
+#include "apetag.h"
+#include "apefooter.h"
+#include "combinedtag.h" 
+
+using namespace TagLib;
+
+class WavPack::File::FilePrivate
+{
+public:
+  FilePrivate() :
+    APETag(0),
+    APELocation(-1),
+    APESize(0),
+    ID3v1Tag(0),
+    ID3v1Location(-1),
+    tag(0),     
+    properties(0),
+    scanned(false),
+    hasAPE(false),
+    hasID3v1(false) {}
+
+  ~FilePrivate()
+  {
+    if (tag != ID3v1Tag && tag != APETag) delete tag;
+    delete ID3v1Tag; 
+    delete APETag;
+    delete properties;
+  }
+
+  APE::Tag *APETag;
+  long APELocation;
+  uint APESize;
+
+  ID3v1::Tag *ID3v1Tag;
+  long ID3v1Location; 
+  
+  Tag *tag;
+  
+  Properties *properties;
+  bool scanned;
+
+  // These indicate whether the file *on disk* has these tags, not if
+  // this data structure does.  This is used in computing offsets.
+
+  bool hasAPE;
+  bool hasID3v1; 
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+WavPack::File::File(const char *file, bool readProperties,
+                Properties::ReadStyle propertiesStyle) : TagLib::File(file)
+{
+  d = new FilePrivate;
+  read(readProperties, propertiesStyle);
+}
+
+WavPack::File::~File()
+{
+  delete d;
+}
+
+TagLib::Tag *WavPack::File::tag() const
+{
+  return d->tag;
+}
+
+WavPack::Properties *WavPack::File::audioProperties() const
+{
+  return d->properties;
+}
+
+bool WavPack::File::save()
+{
+  if(readOnly()) {
+#if 0
+    debug("WavPack::File::save() -- File is read only.");
+#endif
+    return false;
+  }
+
+  // Update ID3v1 tag
+
+  if(d->ID3v1Tag) {
+    if(d->hasID3v1) {
+      seek(d->ID3v1Location);
+      writeBlock(d->ID3v1Tag->render());
+    }
+    else {
+      seek(0, End);
+      d->ID3v1Location = tell();
+      writeBlock(d->ID3v1Tag->render());
+      d->hasID3v1 = true;
+    }
+  } else
+    if(d->hasID3v1) {
+      removeBlock(d->ID3v1Location, 128);
+      d->hasID3v1 = false;
+      if(d->hasAPE) {
+        if(d->APELocation > d->ID3v1Location)
+          d->APELocation -= 128;
+      }
+    }
+
+  // Update APE tag
+
+  if(d->APETag) {
+    if(d->hasAPE)
+      insert(d->APETag->render(), d->APELocation, d->APESize);
+    else {
+      if(d->hasID3v1)  {
+        insert(d->APETag->render(), d->ID3v1Location, 0);
+        d->APESize = d->APETag->footer()->completeTagSize();
+        d->hasAPE = true;
+        d->APELocation = d->ID3v1Location;
+        d->ID3v1Location += d->APESize;
+      }
+      else {
+        seek(0, End);
+        d->APELocation = tell();
+        writeBlock(d->APETag->render());
+        d->APESize = d->APETag->footer()->completeTagSize();
+        d->hasAPE = true;
+      }
+    }
+  }
+  else
+    if(d->hasAPE) {
+      removeBlock(d->APELocation, d->APESize);
+      d->hasAPE = false;
+      if(d->hasID3v1) {
+        if (d->ID3v1Location > d->APELocation)
+          d->ID3v1Location -= d->APESize;
+      }
+    }
+    
+   return true;
+}
+
+ID3v1::Tag *WavPack::File::ID3v1Tag(bool create)
+{
+  if(!create || d->ID3v1Tag)
+    return d->ID3v1Tag;
+
+  // no ID3v1 tag exists and we've been asked to create one
+
+  d->ID3v1Tag = new ID3v1::Tag;
+
+  if(d->APETag)
+    d->tag = new CombinedTag(d->APETag, d->ID3v1Tag);
+  else
+    d->tag = d->ID3v1Tag;
+
+  return d->ID3v1Tag;
+}
+
+APE::Tag *WavPack::File::APETag(bool create)
+{
+  if(!create || d->APETag)
+    return d->APETag;
+
+  // no APE tag exists and we've been asked to create one
+
+  d->APETag = new APE::Tag;
+
+  if(d->ID3v1Tag)
+    d->tag = new CombinedTag(d->APETag, d->ID3v1Tag);
+  else
+    d->tag = d->APETag;
+
+  return d->APETag;
+}
+
+void WavPack::File::remove(int tags)
+{
+  if(tags & ID3v1) {
+    delete d->ID3v1Tag;
+    d->ID3v1Tag = 0;
+
+    if(d->APETag)
+      d->tag = d->APETag;
+    else
+      d->tag = d->APETag = new APE::Tag;
+  }
+
+  if(tags & APE) {
+    delete d->APETag;
+    d->APETag = 0;
+
+    if(d->ID3v1Tag)
+      d->tag = d->ID3v1Tag;
+    else
+      d->tag = d->APETag = new APE::Tag;
+  }
+} 
+
+////////////////////////////////////////////////////////////////////////////////
+// private members
+////////////////////////////////////////////////////////////////////////////////
+
+void WavPack::File::read(bool readProperties, Properties::ReadStyle /* propertiesStyle */)
+{
+  // Look for an ID3v1 tag
+
+  d->ID3v1Location = findID3v1();
+
+  if(d->ID3v1Location >= 0) {
+    d->ID3v1Tag = new ID3v1::Tag(this, d->ID3v1Location);
+    d->hasID3v1 = true;
+  }
+  
+  // Look for an APE tag
+
+  d->APELocation = findAPE();
+
+  if(d->APELocation >= 0) {
+    d->APETag = new APE::Tag(this, d->APELocation);
+    d->APESize = d->APETag->footer()->completeTagSize();
+    d->APELocation = d->APELocation + d->APETag->footer()->size() - d->APESize;
+    d->hasAPE = true;
+  }
+
+  if(d->hasID3v1 && d->hasAPE)
+    d->tag = new CombinedTag(d->APETag, d->ID3v1Tag);
+  else {
+    if(d->hasID3v1)
+      d->tag = d->ID3v1Tag;
+    else {
+      if(d->hasAPE)
+        d->tag = d->APETag;
+      else
+        d->tag = d->APETag = new APE::Tag;
+    }
+  } 
+
+  // Look for WavPack audio properties
+
+  if(readProperties) {
+    seek(0);
+    d->properties = new Properties(readBlock(WavPack::HeaderSize),
+                                   length() - d->APESize);
+  }
+}
+
+long WavPack::File::findAPE()
+{
+  if(!isValid())
+    return -1;
+
+  if(d->hasID3v1)
+    seek(-160, End);
+  else
+    seek(-32, End);
+
+  long p = tell();
+
+  if(readBlock(8) == APE::Tag::fileIdentifier())
+    return p;
+
+  return -1;
+}
+
+long WavPack::File::findID3v1()
+{
+  if(!isValid())
+    return -1;
+
+  seek(-128, End);
+  long p = tell();
+
+  if(readBlock(3) == ID3v1::Tag::fileIdentifier())
+    return p;
+
+  return -1;
+} 
diff --git a/src/metadata/wavpack/wvfile.h b/src/metadata/wavpack/wvfile.h
new file mode 100644
index 0000000..6c57f6d
--- /dev/null
+++ b/src/metadata/wavpack/wvfile.h
@@ -0,0 +1,160 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Lukáš Lalinský
+    email                : lalinsky@gmail.com
+    
+    copyright            : (C) 2004 by Allan Sandfeld Jensen 
+    email                : kde@carewolf.org 
+                           (original MPC implementation)
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#ifndef TAGLIB_WVFILE_H
+#define TAGLIB_WVFILE_H
+
+#include "tfile.h"
+
+#include "wvproperties.h"
+
+namespace TagLib {
+
+  class Tag;
+
+  namespace ID3v1 { class Tag; }
+  namespace APE { class Tag; }
+
+  //! An implementation of WavPack metadata
+
+  /*!
+   * This is implementation of WavPack metadata.
+   *
+   * This supports ID3v1 and APE (v1 and v2) style comments as well as reading stream
+   * properties from the file. 
+   */
+
+  namespace WavPack {
+
+    //! An implementation of TagLib::File with WavPack specific methods
+
+    /*!
+     * This implements and provides an interface for WavPack files to the
+     * TagLib::Tag and TagLib::AudioProperties interfaces by way of implementing
+     * the abstract TagLib::File API as well as providing some additional
+     * information specific to WavPack files.
+     */
+
+    class File : public TagLib::File
+    {
+    public:
+      /*!
+       * This set of flags is used for various operations and is suitable for
+       * being OR-ed together.
+       */
+      enum TagTypes {
+        //! Empty set.  Matches no tag types.
+        NoTags  = 0x0000,
+        //! Matches ID3v1 tags.
+        ID3v1   = 0x0001,
+        //! Matches APE tags.
+        APE     = 0x0002,
+        //! Matches all tag types.
+        AllTags = 0xffff
+      }; 
+      
+      /*!
+       * Contructs an WavPack file from \a file.  If \a readProperties is true the
+       * file's audio properties will also be read using \a propertiesStyle.  If
+       * false, \a propertiesStyle is ignored.
+       */
+      File(const char *file, bool readProperties = true,
+           Properties::ReadStyle propertiesStyle = Properties::Average);
+
+      /*!
+       * Destroys this instance of the File.
+       */
+      virtual ~File();
+
+      /*!
+       * Returns the Tag for this file.  This will be an APE tag, an ID3v1 tag
+       * or a combination of the two.
+       */ 
+      virtual TagLib::Tag *tag() const;
+
+      /*!
+       * Returns the MPC::Properties for this file.  If no audio properties
+       * were read then this will return a null pointer.
+       */
+      virtual Properties *audioProperties() const;
+
+      /*!
+       * Saves the file.
+       */
+      virtual bool save();
+
+      /*!
+       * Returns a pointer to the ID3v1 tag of the file.
+       *
+       * If \a create is false (the default) this will return a null pointer
+       * if there is no valid ID3v1 tag.  If \a create is true it will create
+       * an ID3v1 tag if one does not exist. If there is already an APE tag, the
+       * new ID3v1 tag will be placed after it.
+       *
+       * \note The Tag <b>is still</b> owned by the APE::File and should not be
+       * deleted by the user.  It will be deleted when the file (object) is
+       * destroyed.
+       */
+      ID3v1::Tag *ID3v1Tag(bool create = false); 
+
+      /*!
+       * Returns a pointer to the APE tag of the file.
+       *
+       * If \a create is false (the default) this will return a null pointer
+       * if there is no valid APE tag.  If \a create is true it will create
+       * a APE tag if one does not exist. 
+       *
+       * \note The Tag <b>is still</b> owned by the APE::File and should not be
+       * deleted by the user.  It will be deleted when the file (object) is
+       * destroyed.
+       */
+      APE::Tag *APETag(bool create = false);
+
+      /*!
+       * This will remove the tags that match the OR-ed together TagTypes from the
+       * file.  By default it removes all tags.
+       *
+       * \note This will also invalidate pointers to the tags
+       * as their memory will be freed.
+       * \note In order to make the removal permanent save() still needs to be called
+       */
+      void remove(int tags = AllTags); 
+      
+    private:
+      File(const File &);
+      File &operator=(const File &);
+
+      void read(bool readProperties, Properties::ReadStyle propertiesStyle);
+      void scan();
+      long findID3v1(); 
+      long findAPE();
+
+      class FilePrivate;
+      FilePrivate *d;
+    };
+  }
+}
+
+#endif
diff --git a/src/metadata/wavpack/wvproperties.cpp b/src/metadata/wavpack/wvproperties.cpp
new file mode 100644
index 0000000..376824d
--- /dev/null
+++ b/src/metadata/wavpack/wvproperties.cpp
@@ -0,0 +1,141 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Lukáš Lalinský
+    email                : lalinsky@gmail.com
+    
+    copyright            : (C) 2004 by Allan Sandfeld Jensen 
+    email                : kde@carewolf.org 
+                           (original MPC implementation)
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#include <tstring.h>
+#if 0
+#include <tdebug.h>
+#endif
+#include <bitset>
+
+#include "wvproperties.h"
+#include "wvfile.h"
+
+using namespace TagLib;
+
+class WavPack::Properties::PropertiesPrivate
+{
+public:
+  PropertiesPrivate(const ByteVector &d, long length, ReadStyle s) :
+    data(d),
+    streamLength(length), 
+    style(s),
+    length(0),
+    bitrate(0),
+    sampleRate(0),
+    channels(0),
+    version(0),
+    bitsPerSample(0) {}
+
+  ByteVector data;
+  long streamLength; 
+  ReadStyle style;
+  int length;
+  int bitrate;
+  int sampleRate;
+  int channels;
+  int version;
+  int bitsPerSample;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+WavPack::Properties::Properties(const ByteVector &data, long streamLength, ReadStyle style) : AudioProperties(style)
+{
+  d = new PropertiesPrivate(data, streamLength, style);
+  read();
+}
+
+WavPack::Properties::~Properties()
+{
+  delete d;
+}
+
+int WavPack::Properties::length() const
+{
+  return d->length;
+}
+
+int WavPack::Properties::bitrate() const
+{
+  return d->bitrate;
+}
+
+int WavPack::Properties::sampleRate() const
+{
+  return d->sampleRate;
+}
+
+int WavPack::Properties::channels() const
+{
+  return d->channels;
+}
+
+int WavPack::Properties::version() const
+{
+  return d->version;
+}
+
+int WavPack::Properties::bitsPerSample() const
+{
+  return d->bitsPerSample;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// private members
+////////////////////////////////////////////////////////////////////////////////
+
+static const unsigned int sample_rates[] = { 6000, 8000, 9600, 11025, 12000,
+    16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 192000 };
+
+#define BYTES_STORED    3
+#define MONO_FLAG       4
+    
+#define SHIFT_LSB       13
+#define SHIFT_MASK      (0x1fL << SHIFT_LSB)
+
+#define SRATE_LSB       23
+#define SRATE_MASK      (0xfL << SRATE_LSB)
+    
+void WavPack::Properties::read()
+{
+  if(!d->data.startsWith("wvpk"))
+    return;
+
+  d->version = d->data.mid(8, 2).toShort(false);
+  
+  unsigned int flags = d->data.mid(24, 4).toUInt(false);
+  d->bitsPerSample = ((flags & BYTES_STORED) + 1) * 8 -
+    ((flags & SHIFT_MASK) >> SHIFT_LSB);
+  d->sampleRate = sample_rates[(flags & SRATE_MASK) >> SRATE_LSB];
+  d->channels = (flags & MONO_FLAG) ? 1 : 2;
+  
+  unsigned int samples = d->data.mid(12, 4).toUInt(false);
+  d->length = d->sampleRate > 0 ? (samples + (d->sampleRate / 2)) / d->sampleRate : 0;
+  
+  d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0;
+}
+
diff --git a/src/metadata/wavpack/wvproperties.h b/src/metadata/wavpack/wvproperties.h
new file mode 100644
index 0000000..b615adf
--- /dev/null
+++ b/src/metadata/wavpack/wvproperties.h
@@ -0,0 +1,86 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Lukáš Lalinský
+    email                : lalinsky@gmail.com
+    
+    copyright            : (C) 2004 by Allan Sandfeld Jensen 
+    email                : kde@carewolf.org 
+                           (original MPC implementation)
+ ***************************************************************************/
+
+/***************************************************************************
+ *   This library is free software; you can redistribute it and/or modify  *
+ *   it  under the terms of the GNU Lesser General Public License version  *
+ *   2.1 as published by the Free Software Foundation.                     *
+ *                                                                         *
+ *   This library is distributed in the hope that it will be useful, but   *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with this library; if not, write to the Free Software   *
+ *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
+ *   MA  02110-1301  USA                                                   *
+ ***************************************************************************/
+
+#ifndef TAGLIB_WVPROPERTIES_H
+#define TAGLIB_WVPROPERTIES_H
+
+#include "audioproperties.h"
+
+namespace TagLib {
+
+  namespace WavPack {
+
+    class File;
+
+    static const uint HeaderSize = 32;
+
+    //! An implementation of audio property reading for WavPack
+
+    /*!
+     * This reads the data from an WavPack stream found in the AudioProperties
+     * API.
+     */
+
+    class Properties : public AudioProperties
+    {
+    public:
+      /*!
+       * Create an instance of WavPack::Properties with the data read from the
+       * ByteVector \a data.
+       */
+      Properties(const ByteVector &data, long streamLength, ReadStyle style = Average);
+
+      /*!
+       * Destroys this WavPack::Properties instance.
+       */
+      virtual ~Properties();
+
+      // Reimplementations.
+
+      virtual int length() const;
+      virtual int bitrate() const;
+      virtual int sampleRate() const;
+      virtual int channels() const;
+
+      /*!
+       * Returns number of bits per sample.
+       */ 
+      int bitsPerSample() const;
+      
+      /*!
+       * Returns WavPack version.
+       */ 
+      int version() const;
+      
+    private:
+      void read();
+
+      class PropertiesPrivate;
+      PropertiesPrivate *d;
+    };
+  }
+}
+
+#endif