1 files changed, 155 insertions, 0 deletions
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 <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 "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"