Motown: Framework parts for mojo transport (producer/consumer/mediapipe) and control (audiotrack).

services/media/framework/graph.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SERVICES_MEDIA_FRAMEWORK_GRAPH_H_
 #define SERVICES_MEDIA_FRAMEWORK_GRAPH_H_
 
 #include <list>
 
 #include "services/media/framework/engine.h"
@@ skipping 169 matching lines @@
   // Prepares the graph for operation.
   void Prepare();
 
   // Prepares the input and everything upstream of it. This method is used to
   // prepare subgraphs added when the rest of the graph is already prepared.
   void PrepareInput(const InputRef& input);
 
   // Primes all the sinks in the graph.
   void PrimeSinks();
 
+  // Flushes the output and the subgraph downstream of it.
+  void FlushOutput(const OutputRef& output);
+
+  // Flushes the output and the subgraph downstream of it.
+  void FlushAllOutputs(PartRef part);
+
  private:
   // Adds a stage to the graph.
   PartRef Add(Stage* stage);
 
   std::list<Stage*> stages_;
   std::list<Stage*> sources_;
   std::list<Stage*> sinks_;
 
   Engine engine_;
   Stage::UpdateCallback update_function_;
 };
 
 }  // namespace media
 }  // namespace mojo
 
 #endif  // SERVICES_MEDIA_FRAMEWORK_GRAPH_H_