Reducing the IPC latency for MSE video decoding

media/base/android/media_player_bridge.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_ANDROID_MEDIA_PLAYER_BRIDGE_H_
 #define MEDIA_BASE_ANDROID_MEDIA_PLAYER_BRIDGE_H_
 
 #include <jni.h>
 #include <map>
 #include <string>
@@ skipping 41 matching lines @@
                     const ReleaseMediaResourcesCB& release_media_resources_cb);
   virtual ~MediaPlayerBridge();
 
   // Initialize this object and extract the metadata from the media.
   virtual void Initialize();
 
   // MediaPlayerAndroid implementation.
   virtual void SetVideoSurface(gfx::ScopedJavaSurface surface) OVERRIDE;
   virtual void Start() OVERRIDE;
   virtual void Pause(bool is_media_related_action ALLOW_UNUSED) OVERRIDE;
-  virtual void SeekTo(const base::TimeDelta& timestamp) OVERRIDE;
+  virtual void SeekTo(base::TimeDelta timestamp) OVERRIDE;
   virtual void Release() OVERRIDE;
   virtual void SetVolume(double volume) OVERRIDE;
   virtual int GetVideoWidth() OVERRIDE;
   virtual int GetVideoHeight() OVERRIDE;
   virtual base::TimeDelta GetCurrentTime() OVERRIDE;
   virtual base::TimeDelta GetDuration() OVERRIDE;
   virtual bool IsPlaying() OVERRIDE;
   virtual bool CanPause() OVERRIDE;
   virtual bool CanSeekForward() OVERRIDE;
   virtual bool CanSeekBackward() OVERRIDE;
@@ skipping 106 matching lines @@
   // Weak pointer passed to |listener_| for callbacks.
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaPlayerBridge> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaPlayerBridge);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_PLAYER_BRIDGE_H_