Implementing preload=metadata for video

media/filters/adaptive_demuxer.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.
 
 // Implements a Demuxer that can switch among different data sources mid-stream.
 // Uses FFmpegDemuxer under the covers, so see the caveats at the top of
 // ffmpeg_demuxer.h.
 
 #ifndef MEDIA_FILTERS_ADAPTIVE_DEMUXER_H_
 #define MEDIA_FILTERS_ADAPTIVE_DEMUXER_H_
@@ skipping 64 matching lines @@
   virtual ~AdaptiveDemuxer();
 
   // Change which demuxers the streams will use.
   void ChangeCurrentDemuxer(int audio_index, int video_index);
 
   // Filter implementation.
   virtual void Stop(FilterCallback* callback);
   virtual void Seek(base::TimeDelta time, FilterCallback* callback);
   virtual void OnAudioRendererDisabled();
   virtual void set_host(FilterHost* filter_host);
+  virtual void SetPreload(Preload preload);
   // TODO(fischman): add support for SetPlaybackRate().
 
   // Demuxer implementation.
   virtual scoped_refptr<DemuxerStream> GetStream(DemuxerStream::Type type);
 
  private:
   // Returns a pointer to the currently active demuxer of the given type.
   Demuxer* current_demuxer(DemuxerStream::Type type);
 
   DemuxerVector demuxers_;
@@ skipping 31 matching lines @@
 
  private:
   scoped_ptr<DemuxerFactory> delegate_factory_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AdaptiveDemuxerFactory);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_ADAPTIVE_DEMUXER_H_