Merge 105121 - Numerous fixes to audio/video buffered resource loading.

media/base/filters.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.
 
 // 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 136 matching lines @@
   // Returns true and the file size, false if the file size could not be
   // retrieved.
   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;
 
   // Alert the DataSource that the video preload value has been changed.
   virtual void SetPreload(Preload preload) = 0;
+
+  // Notify the DataSource of the bitrate of the media.
+  // Values of |bitrate| <= 0 are invalid and should be ignored.
+  virtual void SetBitrate(int bitrate) = 0;
 };
 
 class MEDIA_EXPORT DemuxerStream
     : public base::RefCountedThreadSafe<DemuxerStream> {
  public:
   typedef base::Callback<void(Buffer*)> ReadCallback;
 
   enum Type {
     UNKNOWN,
     AUDIO,
@@ skipping 138 matching lines @@
   // buffer.
   virtual bool HasEnded() = 0;
 
   // Sets the output volume.
   virtual void SetVolume(float volume) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FILTERS_H_