Solved multiple bugs.

Solved dead lock
Solved multiple clipworkflow creation
Deactivated message handlers and audiospectrum computing.

src/Metadata/MetaDataWorker.cpp

@@ -51,7 +51,11 @@ void    MetaDataWorker::compute()
     if ( m_media->getFileType() == Media::Video )
     {
         if ( m_type == Audio )
-            computeAudioMetaData();
+        {
+            qDebug() << "Skipping metadata computing";
+            return ;
+//            computeAudioMetaData();
+        }
         else
             computeVideoMetaData();
     }

src/Renderer/WorkflowRenderer.cpp

@@ -146,7 +146,7 @@ int     WorkflowRenderer::lockVideo( int64_t *pts, size_t *bufferSize, void **bu
         ptsDiff = 1000000 / m_outputFps;
     }
     m_pts = *pts = ptsDiff + m_pts;
-    qDebug() << "Video pts" << m_pts << "diff" << ptsDiff;
+//    qDebug() << "Video pts" << m_pts << "diff" << ptsDiff;
     //*pts = qRound64( (float)( m_pts * 1000000.0f ) / m_outputFps );
     //++m_pts;
     *buffer = m_renderVideoFrame;
@@ -160,7 +160,9 @@ int     WorkflowRenderer::lockAudio(  int64_t *pts, size_t *bufferSize, void **b
 
     if ( m_stopping == false )
     {
+        qDebug() << "getting MainWorkflow audio output";
         MainWorkflow::OutputBuffers* ret = m_mainWorkflow->getOutput( MainWorkflow::AudioTrack );
+        qDebug() << "got mainworkflow audio output";
         m_renderAudioSample = ret->audio;
     }
     uint32_t    nbSample;

src/Tools/VlmcDebug.cpp

@@ -71,7 +71,7 @@ VlmcDebug::~VlmcDebug()
 
 void    VlmcDebug::setup()
 {
-    qInstallMsgHandler( VlmcDebug::vlmcMessageHandler );
+//    qInstallMsgHandler( VlmcDebug::vlmcMessageHandler );
 }
 
 void    VlmcDebug::logFileChanged( const QVariant& logFileV )

src/Workflow/AudioClipWorkflow.cpp

@@ -57,30 +57,31 @@ void*       AudioClipWorkflow::getUnlockCallback()
 
 void*       AudioClipWorkflow::getOutput( ClipWorkflow::GetMode mode )
 {
-//    qDebug() << "entering audio get output";
+    qDebug() << "entering audio get output";
     QMutexLocker    lock( m_renderLock );
-//    qDebug() << "got audio render lock";
+    qDebug() << "got audio render lock";
     QMutexLocker    lock2( m_computedBuffersMutex );
+    qDebug() << "got computed buffers mutex";
 
     if ( preGetOutput() == false )
     {
-//        qDebug() << "audio preGetOutput() returned false";
+        qDebug() << "audio preGetOutput() returned false";
         return NULL;
     }
 
-//    qWarning() << "Audio. Available:" << m_availableBuffers.count() << "Computed:" << m_computedBuffers.count();
+    qWarning() << "Audio. Available:" << m_availableBuffers.count() << "Computed:" << m_computedBuffers.count();
     if ( isEndReached() == true )
     {
-//        qDebug() << "audio end is reached";
+        qDebug() << "audio end is reached";
         return NULL;
     }
     if ( mode == ClipWorkflow::Get )
         qCritical() << "A sound buffer should never be asked with 'Get' mode";
     ::StackedBuffer<AudioSample*>* buff = new StackedBuffer(
             m_computedBuffers.dequeue(), this, true );
-//    qDebug() << "calling audio postGetOutput();";
+    qDebug() << "calling audio postGetOutput();";
     postGetOutput();
-//    qDebug() << "returning audio buffer";
+    qDebug() << "returning audio buffer";
     return buff;
 }
 
@@ -112,8 +113,8 @@ AudioClipWorkflow::AudioSample*    AudioClipWorkflow::createBuffer( size_t size
 void        AudioClipWorkflow::lock( AudioClipWorkflow* cw, uint8_t** pcm_buffer , unsigned int size )
 {
     QMutexLocker    lock( cw->m_availableBuffersMutex );
-    cw->m_computedBuffersMutex->lock();
     cw->m_renderLock->lock();
+    cw->m_computedBuffersMutex->lock();
 
 //    qWarning() << ">>>AudioGeneration. Available:" << cw->m_availableBuffers.count() << "Computed:" << cw->m_computedBuffers.count();
     AudioSample* as = NULL;

src/Workflow/AudioClipWorkflow.h

@@ -74,7 +74,7 @@ class   AudioClipWorkflow : public ClipWorkflow
                                             unsigned int size, qint64 pts );
 
         //FIXME: this is totally random powered ! Please adjust with a value that does make sense...
-        static const uint32_t   nbBuffers = 128;
+        static const uint32_t   nbBuffers = 256;
 };
 
 #endif // AUDIOCLIPWORKFLOW_H

src/Workflow/ClipWorkflow.cpp

@@ -56,6 +56,7 @@ ClipWorkflow::~ClipWorkflow()
 
 void    ClipWorkflow::initialize()
 {
+    setState( ClipWorkflow::Initializing );
     if ( m_clip->getParent()->getFileType() == Media::Image )
         m_vlcMedia = new LibVLCpp::Media( "fake:///" + m_clip->getParent()->getFileInfo()->absoluteFilePath() );
     else

src/Workflow/ClipWorkflow.h

@@ -45,23 +45,28 @@ class   ClipWorkflow : public QObject
             None = -1,
             /// \brief  Used when the clipworkflow hasn't been started yet
             Stopped,            //0
+            /**
+             *  \brief  Used when initializing is in progress (until the mediaplayer
+             *          enters the playing state.
+             */
+            Initializing,       //1
             /// \brief  Used when the clipworkflow is launched and active
-            Rendering,          //1
+            Rendering,          //2
             /// \brief  Used when stopping
-            Stopping,           //2
+            Stopping,           //3
             /// \brief  Used when end is reached, IE no more frame has to be rendered, but the trackworkflow
             ///         may eventually ask for some.
-            EndReached,         //3
+            EndReached,         //4
             // Here starts internal states :
             /// \brief  This state will be used when an unpause
             ///         has been required
-            UnpauseRequired,    //4
+            UnpauseRequired,    //5
             /// \brief  This state will be used when a pause
             ///         has been required
-            PauseRequired,      //5
+            PauseRequired,      //6
             /// \brief  This state will be used when the media player is paused,
             ///         because of a sufficient number of computed buffers
-            Paused,             //6
+            Paused,             //7
         };
 
         /**