Pass the elapsed time from VoE to WebRtcAudioRenderer as the current time for the audio/video eleme…

content/renderer/media/webrtc_audio_device_impl.cc

Index: content/renderer/media/webrtc_audio_device_impl.cc
===================================================================
--- content/renderer/media/webrtc_audio_device_impl.cc	(revision 275847)
+++ content/renderer/media/webrtc_audio_device_impl.cc	(working copy)
@@ -179,7 +179,10 @@
                                                   &ntp_time_ms);
       accumulated_audio_frames += num_audio_frames;
     }
-
+    if (elapsed_time_ms >= 0) {
+      renderer_->SetCurrentRenderTime(

[no longer working on chromium, 2014/06/11 16:55:01]

Thanks for the explain. After giving it a second though, this might not the
right way to do. The first problem is that it depends on a circular relationship
between the renderer and the WebRtcAudioDeviceImpl, the second problem is what
you described about the locking.

I would suggest the following alternative
Change the RenderData() interface to pass a pointer of base::TimeDelta here, and
assign value to the variable.

[Ronghua Wu (Left Chromium), 2014/06/11 17:39:15]

Great suggestion. Done.

+        base::TimeDelta::FromMilliseconds(elapsed_time_ms));
+    }
     audio_data += bytes_per_10_ms;
   }