Not for submission. fastSeek prototype.

media/blink/webmediaplayer_impl.h

 // Copyright 2013 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_BLINK_WEBMEDIAPLAYER_IMPL_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread.h"
 #include "base/timer/elapsed_timer.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
 #include "media/base/media_tracks.h"
 #include "media/base/pipeline_impl.h"
 #include "media/base/renderer_factory.h"
+#include "media/base/stream_position.h"
 #include "media/base/surface_manager.h"
 #include "media/base/text_track.h"
 #include "media/blink/buffered_data_source_host_impl.h"
 #include "media/blink/media_blink_export.h"
 #include "media/blink/multibuffer_data_source.h"
 #include "media/blink/video_frame_compositor.h"
 #include "media/blink/webmediaplayer_delegate.h"
 #include "media/blink/webmediaplayer_params.h"
 #include "media/blink/webmediaplayer_util.h"
 #include "media/filters/pipeline_controller.h"
@@ skipping 63 matching lines @@
 
   void load(LoadType load_type,
             const blink::WebMediaPlayerSource& source,
             CORSMode cors_mode) override;
 
   // Playback controls.
   void play() override;
   void pause() override;
   bool supportsSave() const override;
   void seek(double seconds) override;
+  void fastSeek(double seconds);
   void setRate(double rate) override;
   void setVolume(double volume) override;
   void setSinkId(const blink::WebString& sink_id,
                  const blink::WebSecurityOrigin& security_origin,
                  blink::WebSetSinkIdCallbacks* web_callback) override;
   void setPreload(blink::WebMediaPlayer::Preload preload) override;
   void setBufferingStrategy(
       blink::WebMediaPlayer::BufferingStrategy buffering_strategy) override;
   blink::WebTimeRanges buffered() const override;
   blink::WebTimeRanges seekable() const override;
@@ skipping 124 matching lines @@
   void OnBufferingStateChange(BufferingState state) override;
   void OnDurationChange() override;
   void OnAddTextTrack(const TextTrackConfig& config,
                       const AddTextTrackDoneCB& done_cb) override;
   void OnWaitingForDecryptionKey() override;
   void OnVideoNaturalSizeChange(const gfx::Size& size) override;
   void OnVideoOpacityChange(bool opaque) override;
 
   // Actually seek. Avoids causing |should_notify_time_changed_| to be set when
   // |time_updated| is false.
-  void DoSeek(base::TimeDelta time, bool time_updated);
+  void DoSeek(StreamPosition position, bool time_updated);
 
   // Ask for the renderer to be restarted (destructed and recreated).
   void ScheduleRestart();
 
   // Called after |defer_load_cb_| has decided to allow the load. If
   // |defer_load_cb_| is null this is called immediately.
   void DoLoad(LoadType load_type,
               const blink::WebURL& url,
               CORSMode cors_mode);
 
@@ skipping 282 matching lines @@
   // Number of times we've reached BUFFERING_HAVE_NOTHING during playback.
   int underflow_count_;
   std::unique_ptr<base::ElapsedTimer> underflow_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_