This is the frozen interface definition for the media pipeline, filters, and ...

media/base/filter_host_impl.h

Index: media/base/filter_host_impl.h
===================================================================
--- media/base/filter_host_impl.h	(revision 8115)
+++ media/base/filter_host_impl.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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.
 
@@ -16,36 +16,24 @@
  public:
   FilterHostImpl();
 
-  // FilterHost implementation.
-  virtual int64 GetTime() const;
+  // FilterHost interface.
+  virtual const PipelineStatus* GetPipelineStatus() const;
+  virtual void SetTimeUpdateCallback(Callback1<int64>::Type* callback);
+  virtual void InitializationComplete();
+  virtual void PostTask(Task* task);
+  virtual void Error(PipelineError error);
   virtual void SetTime(int64 time);
-  virtual int64 GetDuration() const;
   virtual void SetDuration(int64 duration);
-  virtual void PostTask(Task* task);
-  virtual bool PlayComplete();
-  virtual bool PauseComplete();
-  virtual bool SeekComplete();
-  virtual bool ShutdownComplete();
-  virtual void Error(int error);
-  virtual void EndOfStream();
+  virtual void SetBufferedTime(int64 buffered_time);
+  virtual void SetTotalBytes(int64 total_bytes);
+  virtual void SetBufferedBytes(int64 buffered_bytes);
+  virtual void SetVideoSize(size_t width, size_t height);
 
-  virtual void SetPlayCallback(Callback0::Type* callback);
-  virtual void SetPauseCallback(Callback1<bool>::Type* callback);
-  virtual void SetSeekCallback(Callback1<int64>::Type* callback);
-  virtual void SetShutdownCallback(Callback0::Type* callback);
-  virtual void SetClockCallback(Callback1<int64>::Type* callback);
-  virtual void SetErrorCallback(Callback1<int>::Type* callback);
-
  protected:
   virtual ~FilterHostImpl() {}
 
  private:
-  scoped_ptr<Callback0::Type> play_callback_;
-  scoped_ptr<Callback1<bool>::Type> pause_callback_;
-  scoped_ptr<Callback1<int64>::Type> seek_callback_;
-  scoped_ptr<Callback0::Type> shutdown_callback_;
-  scoped_ptr<Callback1<int64>::Type> clock_callback_;
-  scoped_ptr<Callback1<int>::Type> error_callback_;
+  DISALLOW_COPY_AND_ASSIGN(FilterHostImpl);
 };
 
 }  // namespace media