Not for submission. fastSeek prototype.

media/base/pipeline.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_PIPELINE_H_
 #define MEDIA_BASE_PIPELINE_H_
 
 #include <memory>
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "media/base/buffering_state.h"
 #include "media/base/cdm_context.h"
 #include "media/base/media_export.h"
 #include "media/base/media_track.h"
 #include "media/base/pipeline_metadata.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/ranges.h"
+#include "media/base/stream_position.h"
 #include "media/base/text_track.h"
 #include "media/base/video_rotation.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace media {
 
 class Demuxer;
 class Renderer;
 class VideoFrame;
 
@@ skipping 66 matching lines @@
   virtual void Stop() = 0;
 
   // Attempt to seek to the position specified by time.  |seek_cb| will be
   // executed when the all filters in the pipeline have processed the seek.
   //
   // Clients are expected to call GetMediaTime() to check whether the seek
   // succeeded.
   //
   // It is an error to call this method if the pipeline has not started or
   // has been suspended.
-  virtual void Seek(base::TimeDelta time, const PipelineStatusCB& seek_cb) = 0;
+  virtual void Seek(StreamPosition position,
+                    const PipelineStatusCB& seek_cb) = 0;
 
   // Suspends the pipeline, discarding the current renderer.
   //
   // While suspended, GetMediaTime() returns the presentation timestamp of the
   // last rendered frame.
   //
   // It is an error to call this method if the pipeline has not started or is
   // seeking.
   virtual void Suspend(const PipelineStatusCB& suspend_cb) = 0;
 
@@ skipping 51 matching lines @@
   // Gets the current pipeline statistics.
   virtual PipelineStatistics GetStatistics() const = 0;
 
   virtual void SetCdm(CdmContext* cdm_context,
                       const CdmAttachedCB& cdm_attached_cb) = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_H_