6 files changed, 409 insertions, 0 deletions
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 <mbedouet@no-log.org>
+ * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * 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 <mbedouet@no-log.org>
+ * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
+ *
+ * This file is part of the K3b project.
+ * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
+ *
+ * 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=mbedouet@no-log.org
+Version=1.0
+Comment=Decoding module to decode audio files supported by libsndfile
+License=GPL