Added KDE3 version of SoundKonverter

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

1 files changed, 171 insertions, 0 deletions

diff --git a/src/metadata/speex/speexproperties.cpp b/src/metadata/speex/speexproperties.cpp
new file mode 100644
index 0000000..edd2b71
--- /dev/null
+++ b/src/metadata/speex/speexproperties.cpp
@@ -0,0 +1,171 @@
+/***************************************************************************
+    copyright            : (C) 2006 by Lukáš Lalinský
+    email                : lalinsky@gmail.com
+    
+    copyright            : (C) 2002 by Scott Wheeler
+    email                : wheeler@kde.org 
+                           (original Vorbis 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 <oggpageheader.h>
+
+#include "speexproperties.h"
+#include "speexfile.h"
+
+using namespace TagLib;
+
+class Speex::Properties::PropertiesPrivate
+{
+public:
+  PropertiesPrivate(File *f, ReadStyle s) :
+    file(f),
+    style(s),
+    length(0),
+    bitrate(0),
+    sampleRate(0),
+    channels(0),
+    speexVersion(0),
+    vbr(false),
+    mode(0) {}
+
+  File *file;
+  ReadStyle style;
+  int length;
+  int bitrate;
+  int sampleRate;
+  int channels;
+  int speexVersion;
+  bool vbr;
+  int mode;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// public members
+////////////////////////////////////////////////////////////////////////////////
+
+Speex::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style)
+{
+  d = new PropertiesPrivate(file, style);
+  read();
+}
+
+Speex::Properties::~Properties()
+{
+  delete d;
+}
+
+int Speex::Properties::length() const
+{
+  return d->length;
+}
+
+int Speex::Properties::bitrate() const
+{
+  return int(float(d->bitrate) / float(1000) + 0.5);
+}
+
+int Speex::Properties::sampleRate() const
+{
+  return d->sampleRate;
+}
+
+int Speex::Properties::channels() const
+{
+  return d->channels;
+}
+
+int Speex::Properties::speexVersion() const
+{
+  return d->speexVersion;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// private members
+////////////////////////////////////////////////////////////////////////////////
+
+void Speex::Properties::read()
+{
+  // Get the identification header from the Ogg implementation.
+
+  ByteVector data = d->file->packet(0);
+
+  int pos = 28;
+
+  // speex_version_id;       /**< Version for Speex (for checking compatibility) */ 
+  d->speexVersion = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+  
+  // header_size;            /**< Total size of the header ( sizeof(SpeexHeader) ) */ 
+  pos += 4;
+  
+  // rate;                   /**< Sampling rate used */ 
+  d->sampleRate = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+
+  // mode;                   /**< Mode used (0 for narrowband, 1 for wideband) */ 
+  d->mode = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+
+  // mode_bitstream_version; /**< Version ID of the bit-stream */ 
+  pos += 4;
+
+  // nb_channels;            /**< Number of channels encoded */ 
+  d->channels = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+
+  // bitrate;                /**< Bit-rate used */ 
+  d->bitrate = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+  
+  // frame_size;             /**< Size of frames */
+  //unsigned int frameSize = data.mid(pos, 4).toUInt(false);
+  pos += 4;
+  
+  // vbr;                    /**< 1 for a VBR encoding, 0 otherwise */  
+  d->vbr = data.mid(pos, 4).toUInt(false) == 1;
+  pos += 4;
+
+  // frames_per_packet;      /**< Number of frames stored per Ogg packet */ 
+  //unsigned int framesPerPacket = data.mid(pos, 4).toUInt(false);
+
+  const Ogg::PageHeader *first = d->file->firstPageHeader();
+  const Ogg::PageHeader *last = d->file->lastPageHeader();
+
+  if(first && last) {
+    long long start = first->absoluteGranularPosition();
+    long long end = last->absoluteGranularPosition();
+
+    if(start >= 0 && end >= 0 && d->sampleRate > 0)
+      d->length = (end - start) / (long long) d->sampleRate;
+#if 0    
+    else
+      debug("Speex::Properties::read() -- Either the PCM values for the start or "
+            "end of this file was incorrect or the sample rate is zero.");
+#endif
+  }
+#if 0    
+  else
+    debug("Speex::Properties::read() -- Could not find valid first and last Ogg pages.");
+#endif
+}