Not for submission. fastSeek prototype.

media/base/video_renderer.h

 // Copyright (c) 2012 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_VIDEO_RENDERER_H_
 #define MEDIA_BASE_VIDEO_RENDERER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "media/base/media_export.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/stream_position.h"
 #include "media/base/time_source.h"
 
 namespace media {
 
 class CdmContext;
 class DemuxerStream;
 class RendererClient;
 
 class MEDIA_EXPORT VideoRenderer {
  public:
@@ skipping 21 matching lines @@
   // |callback| when completed.
   //
   // Clients should expect |buffering_state_cb| to be called with
   // BUFFERING_HAVE_NOTHING while flushing is in progress.
   virtual void Flush(const base::Closure& callback) = 0;
 
   // Starts playback at |timestamp| by reading from |stream| and decoding and
   // rendering video.
   //
   // Only valid to call after a successful Initialize() or Flush().
-  virtual void StartPlayingFrom(base::TimeDelta timestamp) = 0;
+  virtual void StartPlayingFrom(StreamPosition position) = 0;
 
   // Called when time starts or stops moving. Time progresses when a base time
   // has been set and the playback rate is > 0. If either condition changes,
   // |time_progressing| will be false.
   virtual void OnTimeStateChanged(bool time_progressing) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoRenderer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_RENDERER_H_