Interpolate media time for mojo rendering pipeline.

media/mojo/clients/mojo_renderer.h

 // Copyright 2014 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_MOJO_CLIENTS_MOJO_RENDERER_H_
 #define MEDIA_MOJO_CLIENTS_MOJO_RENDERER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
+#include "base/time/default_tick_clock.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/renderer.h"
+#include "media/base/time_delta_interpolator.h"
 #include "media/mojo/interfaces/renderer.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace media {
 
 class DemuxerStreamProvider;
@@ skipping 29 matching lines @@
   void StartPlayingFrom(base::TimeDelta time) override;
   void SetPlaybackRate(double playback_rate) override;
   void SetVolume(float volume) override;
   base::TimeDelta GetMediaTime() override;
   bool HasAudio() override;
   bool HasVideo() override;
 
  private:
   // mojom::RendererClient implementation, dispatched on the
   // |task_runner_|.
-  void OnTimeUpdate(base::TimeDelta time, base::TimeDelta max_time) override;
+  void OnTimeUpdate(base::TimeDelta time,
+                    base::TimeDelta max_time,
+                    base::TimeTicks capture_time) override;
   void OnBufferingStateChange(mojom::BufferingState state) override;
   void OnEnded() override;
   void OnError() override;
   void OnVideoNaturalSizeChange(const gfx::Size& size) override;
   void OnVideoOpacityChange(bool opaque) override;
   void OnWaitingForDecryptionKey() override;
   void OnStatisticsUpdate(const PipelineStatistics& stats) override;
   void OnDurationChange(base::TimeDelta duration) override;
 
   // Binds |remote_renderer_| to the mojo message pipe. Can be called multiple
@@ skipping 60 matching lines @@
 
   // Binding for RendererClient, bound to the |task_runner_|.
   mojo::Binding<RendererClient> binding_;
 
   bool encountered_error_ = false;
 
   PipelineStatusCB init_cb_;
   base::Closure flush_cb_;
   CdmAttachedCB cdm_attached_cb_;
 
-  // Lock used to serialize access for |time_|.
+  // Lock used to serialize access for |time_interpolator_|.
   mutable base::Lock lock_;
-  base::TimeDelta time_;
+  base::DefaultTickClock media_clock_;
+  media::TimeDeltaInterpolator media_time_interpolator_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRenderer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_CLIENTS_MOJO_RENDERER_H_