implemented separate waveform cache

app/widget/timelinewidget/tool/pointer.cpp

@@ -699,7 +699,8 @@ void PointerTool::FinishDrag(TimelineViewMouseEvent *event)
         // Place the copy instead of the original block
         block = static_cast<Block*>(Node::CopyNodeInGraph(block, command));
         if (ClipBlock *new_clip = dynamic_cast<ClipBlock*>(block)) {
-          new_clip->set_waveform(static_cast<ClipBlock*>(p.block)->waveform());
+          qDebug() << "FIXME: Copy clip stub"; Q_UNUSED(new_clip)
+          //new_clip->set_waveform(static_cast<ClipBlock*>(p.block)->waveform());
         }
       }
 

app/widget/timelinewidget/undo/timelineundosplit.cpp

@@ -44,7 +44,10 @@ void BlockSplitCommand::redo()
 
   if (ClipBlock *new_clip = dynamic_cast<ClipBlock*>(new_block_)) {
     ClipBlock *old_clip = static_cast<ClipBlock*>(block_);
-    new_clip->set_waveform(old_clip->waveform());
+    qDebug() << "FIXME: Copy waveform stub";
+    Q_UNUSED(old_clip)
+    Q_UNUSED(new_clip)
+    //new_clip->set_waveform(old_clip->waveform());
   }
 
   // Determine our new lengths

app/widget/timelinewidget/view/timelineview.cpp

@@ -558,11 +558,11 @@ void TimelineView::DrawBlock(QPainter *painter, bool foreground, Block *block, q
 
         // Draw waveform
         if (clip->GetTrackType() == Track::kAudio && show_waveforms_) {
-          if (const AudioVisualWaveform *wave = clip->waveform()) {
+          if (const AudioWaveformCache *wave = clip->waveform()) {
             rational waveform_start = SceneToTime(block_left - block_in, GetScale(), connected_track_list_->parent()->GetAudioParams().sample_rate_as_time_base()) + media_in;
             painter->setPen(shadow_color);
 
-            AudioVisualWaveform::DrawWaveform(painter, preview_rect, this->GetScale(), *wave, waveform_start);
+            wave->Draw(painter, preview_rect, this->GetScale(), waveform_start);
           }
         }