fixed bug that caused some frames to never render indefinitely

Frames should no longer get stuck unrendered.

app/render/backend/opengl/openglbackend.cpp

@@ -175,7 +175,7 @@ void OpenGLBackend::ThreadCompletedFrame(NodeDependency path, QByteArray hash)
 
   if (texture == nullptr) {
     // No frame received, we set hash to an empty
-    frame_cache()->RemoveHash(path.in());
+    frame_cache()->RemoveHash(path.in(), hash);
   } else {
     // Received a texture, let's download it
     QString cache_fn = frame_cache()->CachePathName(hash);

app/render/backend/renderbackend.cpp

@@ -164,8 +164,6 @@ void RenderBackend::CacheNext()
 
   TimeRange cache_frame = cache_queue_.takeFirst();
 
-  //qDebug() << "Caching FRAME" << cache_frame.in() << "to" << cache_frame.out();
-
   caching_ = GenerateData(cache_frame);
 }
 

app/render/backend/videorenderframecache.cpp

@@ -60,9 +60,9 @@ void VideoRenderFrameCache::SetHash(const rational &time, const QByteArray &hash
   time_hash_map_.insert(time, hash);
 }
 
-void VideoRenderFrameCache::RemoveHash(const rational &time)
+void VideoRenderFrameCache::RemoveHash(const rational &time, const QByteArray &hash)
 {
-  RemoveHashFromCurrentlyCaching(time_hash_map_.value(time));
+  RemoveHashFromCurrentlyCaching(hash);
 
   time_hash_map_.remove(time);
 }

app/render/backend/videorenderframecache.h

@@ -35,7 +35,7 @@ public:
   QByteArray TimeToHash(const rational& time);
 
   void SetHash(const rational& time, const QByteArray& hash);
-  void RemoveHash(const rational& time);
+  void RemoveHash(const rational& time, const QByteArray &hash);
 
   void Truncate(const rational& time);