Reducing the IPC latency for MSE video decoding

media/base/android/demuxer_android.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_BASE_ANDROID_DEMUXER_ANDROID_H_
 #define MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_
 
 #include "base/basictypes.h"
 #include "base/time/time.h"
 #include "media/base/demuxer_stream.h"
@@ skipping 44 matching lines @@
   // Called in response to RequestDemuxerData().
   virtual void OnDemuxerDataAvailable(const DemuxerData& params) = 0;
 
   // Called in response to RequestDemuxerSeek().
   // If this is in response to a request with |is_browser_seek| set to true,
   // then |actual_browser_seek_time| may differ from the requested
   // |time_to_seek|, and reflects the actual time seeked to by the demuxer.
   // For regular demuxer seeks, |actual_browser_seek_time| is kNoTimestamp() and
   // should be ignored by browser player.
   virtual void OnDemuxerSeekDone(
-      const base::TimeDelta& actual_browser_seek_time) = 0;
+      base::TimeDelta actual_browser_seek_time) = 0;
 
   // Called whenever the demuxer has detected a duration change.
   virtual void OnDemuxerDurationChanged(base::TimeDelta duration) = 0;
 
  protected:
   virtual ~DemuxerAndroidClient() {}
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_