1 files changed, 115 insertions, 0 deletions
diff --git a/libk3b/projects/audiocd/k3baudiozerodata.cpp b/libk3b/projects/audiocd/k3baudiozerodata.cpp
new file mode 100644
index 0000000..f5c985d
--- /dev/null
+++ b/libk3b/projects/audiocd/k3baudiozerodata.cpp
@@ -0,0 +1,115 @@
+/* 
+ *
+ * $Id: k3baudiozerodata.cpp 619556 2007-01-03 17:38:12Z trueg $
+ * Copyright (C) 2004 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 "k3baudiozerodata.h"
+#include "k3baudiotrack.h"
+
+#include <klocale.h>
+
+#include <string.h>
+
+
+K3bAudioZeroData::K3bAudioZeroData( const K3b::Msf& len )
+  : K3bAudioDataSource(),
+    m_length(len),
+    m_writtenData(0)
+{
+}
+
+
+K3bAudioZeroData::K3bAudioZeroData( const K3bAudioZeroData& zero )
+  : K3bAudioDataSource( zero ),
+    m_length( zero.m_length ),
+    m_writtenData( 0 )
+{
+}
+
+
+K3bAudioZeroData::~K3bAudioZeroData()
+{
+}
+
+
+void K3bAudioZeroData::setLength( const K3b::Msf& msf )
+{
+  if( msf > 0 )
+    m_length = msf;
+  else
+    m_length = 1; // 1 frame
+
+  m_writtenData = 0;
+
+  emitChange();
+}
+
+
+QString K3bAudioZeroData::type() const
+{
+  return i18n("Silence");
+}
+
+
+QString K3bAudioZeroData::sourceComment() const
+{
+  return QString::null;
+}
+
+
+bool K3bAudioZeroData::seek( const K3b::Msf& msf )
+{
+  if( msf < length() ) {
+    m_writtenData = msf.audioBytes();
+    return true;
+  }
+  else
+    return false;
+}
+
+
+int K3bAudioZeroData::read( char* data, unsigned int max )
+{
+  if( m_writtenData + max > length().audioBytes() )
+    max = length().audioBytes() - m_writtenData;
+
+  m_writtenData += max;
+
+  ::memset( data, 0, max );
+
+  return max;
+}
+
+
+K3bAudioDataSource* K3bAudioZeroData::copy() const
+{
+  return new K3bAudioZeroData( *this );
+}
+
+
+void K3bAudioZeroData::setStartOffset( const K3b::Msf& pos )
+{
+  if( pos >= length() )
+    setLength( 1 );
+  else
+    setLength( length() - pos );
+}
+
+
+void K3bAudioZeroData::setEndOffset( const K3b::Msf& pos )
+{
+  if( pos < 1 )
+    setLength( 1 );
+  else
+    setLength( pos );
+}