<video> decode in hardware!

media/base/filter_collection.h

 // Copyright (c) 2011 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 MEDIA_BASE_FILTER_COLLECTION_H_
 #define MEDIA_BASE_FILTER_COLLECTION_H_
 
 #include <list>
 
 #include "base/memory/ref_counted.h"
@@ skipping 22 matching lines @@
 
   // Is the collection empty?
   bool IsEmpty() const;
 
   // Remove remaining filters.
   void Clear();
 
   // Selects a filter of the specified type from the collection.
   // If the required filter cannot be found, NULL is returned.
   // If a filter is returned it is removed from the collection.
+  // Filters are selected in FIFO order.
   void SelectVideoDecoder(scoped_refptr<VideoDecoder>* filter_out);
   void SelectAudioDecoder(scoped_refptr<AudioDecoder>* filter_out);
   void SelectVideoRenderer(scoped_refptr<VideoRenderer>* filter_out);
   void SelectAudioRenderer(scoped_refptr<AudioRenderer>* filter_out);
 
  private:
   // Identifies the type of filter implementation. Each filter has to be one of
   // the following types. This is used to mark, identify, and support
   // downcasting of different filter types stored in the filters_ list.
   enum FilterType {
@@ skipping 19 matching lines @@
 
   // Helper function that searches the filters list for a specific filter type.
   void SelectFilter(FilterType filter_type, scoped_refptr<Filter>* filter_out);
 
   DISALLOW_COPY_AND_ASSIGN(FilterCollection);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FILTER_COLLECTION_H_