1 files changed, 137 insertions, 0 deletions
diff --git a/vdr_decoder.c b/vdr_decoder.c
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+/*!
+ * \file vdr_decoder.h
+ * \brief A generic decoder for a VDR media plugin (muggle)
+ *
+ * \version $Revision: 1.2 $
+ * \date    $Date: 2004/05/28 15:29:18 $
+ * \author  Ralf Klueber, Lars von Wedel, Andreas Kellner
+ * \author  Responsible author: $Author: lvw $
+ *
+ * $Id: vdr_decoder.c,v 1.2 2004/05/28 15:29:18 lvw Exp $
+ *
+ * Adapted from:
+ * MP3/MPlayer plugin to VDR (C++)
+ * (C) 2001-2003 Stefan Huelswitt <huels@iname.com>
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/vfs.h>
+
+#include <videodir.h>
+#include <interface.h>
+
+// #include "common.h"
+// #include "data-mp3.h"
+// #include "decoder-core.h"
+// #include "decoder-mp3-stream.h"
+// #include "decoder-snd.h"
+// #include "decoder-ogg.h"
+
+#include "vdr_decoder.h"
+#include "vdr_decoder_mp3.h"
+
+using namespace std;
+
+// --- mgDecoders ---------------------------------------------------------------
+
+mgMediaType mgDecoders::getMediaType( string s )
+{
+  // TODO: currently handles only mp3. LVW
+  return MT_MP3;
+}
+
+mgDecoder *mgDecoders::findDecoder( string filename )
+{
+  mgDecoder *decoder = 0;
+
+  switch( getMediaType( filename ) ) 
+    {
+    case MT_MP3:  
+      {
+	// prepend filename with path to music library?? TODO
+	printf( "mp3 file detected, launching mgMP3Decoder\n" );
+	decoder = new mgMP3Decoder(filename); 
+      } break;
+      
+      /*
+	case MT_MP3_STREAM: decoder = new mgMP3StreamDecoder(full); break;
+	#ifdef HAVE_SNDFILE
+	case MT_SND:  decoder = new cSndDecoder(full); break;
+	#endif
+	#ifdef HAVE_VORBISFILE
+	case MT_OGG:  decoder = new mgOggDecoder(full); break;
+	#endif
+      */
+    default:       
+      { 
+	esyslog("ERROR: unknown media type" );
+      } break;
+    }
+
+  if( decoder && !decoder->valid() ) 
+    {
+      // no decoder found or decoder doesn't match
+      
+      delete decoder; // might be carried out on NULL pointer!
+      decoder = 0;
+      
+      esyslog("ERROR: no valid decoder found for %s", filename.c_str() );
+    }
+  return decoder;
+}
+
+// --- mgDecoder ----------------------------------------------------------------
+
+mgDecoder::mgDecoder(string filename)
+{
+  m_filename = filename;
+  m_locked = 0; 
+  m_urgentLock = false;
+  m_playing = false;
+}
+
+mgDecoder::~mgDecoder()
+{
+}
+
+void mgDecoder::lock(bool urgent)
+{
+  m_locklock.Lock();
+
+  if( urgent && m_locked ) 
+    {
+      m_urgentLock = true; // signal other locks to release quickly
+    }
+  m_locked ++;
+
+  m_locklock.Unlock(); // don't hold the "locklock" when locking "lock", may cause a deadlock
+  m_lock.Lock();
+  m_urgentLock = false;
+}
+
+void mgDecoder::unlock(void)
+{
+  m_locklock.Lock();
+
+  m_locked--;
+
+  m_lock.Unlock();
+  m_locklock.Unlock();
+}
+
+bool mgDecoder::tryLock(void)
+{
+  bool res = false;
+  m_locklock.Lock();
+
+  if( !m_locked && !m_playing ) 
+    {
+      lock();
+      res = true;
+    }
+  m_locklock.Unlock();
+  return res;
+}