DemuxerFactory is born!

media/base/filters.h

 // Copyright (c) 2010 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.
 
 // Filters are connected in a strongly typed manner, with downstream filters
 // always reading data from upstream filters.  Upstream filters have no clue
 // who is actually reading from them, and return the results via callbacks.
 //
 //                         DemuxerStream(Video) <- VideoDecoder <- VideoRenderer
 // DataSource <- Demuxer <
@@ skipping 117 matching lines @@
   virtual bool GetSize(int64* size_out) = 0;
 
   // Returns true if we are performing streaming. In this case seeking is
   // not possible.
   virtual bool IsStreaming() = 0;
 };
 
 
 class Demuxer : public Filter {
  public:
-  // Initialize a Demuxer with the given DataSource, executing the callback upon
-  // completion.
-  virtual void Initialize(DataSource* data_source,
-                          FilterCallback* callback) = 0;
-
   // Returns the number of streams available
   virtual size_t GetNumberOfStreams() = 0;
 
   // Returns the stream for the given index, NULL otherwise
   virtual scoped_refptr<DemuxerStream> GetStream(int stream_id) = 0;
 };
 
 
 class DemuxerStream : public base::RefCountedThreadSafe<DemuxerStream> {
  public:
@@ skipping 143 matching lines @@
   // buffer.
   virtual bool HasEnded() = 0;
 
   // Sets the output volume.
   virtual void SetVolume(float volume) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FILTERS_H_