clicking the Cancel button when metadata computing doesn't crash anymore

src/GUI/ImportMediaListController.cpp

@@ -54,7 +54,14 @@ void    ImportMediaListController::metaDataComputed( Media* media )
 
 ImportMediaCellView* ImportMediaListController::getCell( QUuid uuid ) const
 {
-    return m_mediaCellList->value( uuid );
+    if (m_mediaCellList->contains( uuid ) )
+        return m_mediaCellList->value( uuid );
+    return NULL;
+}
+
+bool    ImportMediaListController::contains( QUuid uuid )
+{
+    return m_mediaCellList->contains( uuid );
 }
 
 void    ImportMediaListController::removeMedia( const QUuid& uuid )

src/GUI/ImportMediaListController.h

@@ -46,6 +46,7 @@ class ImportMediaListController : public ListViewController
 
         const QHash<QUuid, ImportMediaCellView*>* getMediaCellList() const { return m_mediaCellList; }
         ImportMediaCellView* getCell( QUuid uuid ) const;
+        bool    contains( QUuid uuid );
 
     private:
         StackViewController*                m_nav;

src/Media/Media.cpp

@@ -205,6 +205,12 @@ void            Media::emitSnapshotComputed()
     emit snapshotComputed( this );
 }
 
+void            Media::emitAudioSpectrumComuted()
+{
+    m_metadataState = ParsedWithAudioSpectrum;
+    emit audioSpectrumComputed( this );
+}
+
 Media::InputType    Media::getInputType() const
 {
     return m_inputType;

src/Media/Media.h

@@ -69,7 +69,8 @@ public:
     {
         None,
         ParsedWithoutSnapshot,
-        ParsedWithSnapshot
+        ParsedWithSnapshot,
+        ParsedWithAudioSpectrum
     };
     Media( const QString& filePath, const QString& uuid = QString() );
     virtual ~Media();
@@ -133,6 +134,7 @@ public:
 
     void                        emitMetaDataComputed( bool hasMetadata );
     void                        emitSnapshotComputed();
+    void                        emitAudioSpectrumComuted();
 
 //    bool                        hasMetadata() const;
     MetadataState               getMetadata() const;