Cast: Make pacing controllable by the extension

media/cast/receiver/cast_receiver_impl.cc

 // 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.
 
 #include "media/cast/receiver/cast_receiver_impl.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/debug/trace_event.h"
@@ skipping 13 matching lines @@
   return scoped_ptr<CastReceiver>(new CastReceiverImpl(
       cast_environment, audio_config, video_config, packet_sender));
 }
 
 CastReceiverImpl::CastReceiverImpl(
     scoped_refptr<CastEnvironment> cast_environment,
     const FrameReceiverConfig& audio_config,
     const FrameReceiverConfig& video_config,
     PacketSender* const packet_sender)
     : cast_environment_(cast_environment),
-      pacer_(cast_environment->Clock(),
+      pacer_(kTargetBurstSize,
+             kMaxBurstSize,
+             cast_environment->Clock(),
              cast_environment->Logging(),
              packet_sender,
              cast_environment->GetTaskRunner(CastEnvironment::MAIN)),
       audio_receiver_(cast_environment, audio_config, AUDIO_EVENT, &pacer_),
       video_receiver_(cast_environment, video_config, VIDEO_EVENT, &pacer_),
       ssrc_of_audio_sender_(audio_config.incoming_ssrc),
       ssrc_of_video_sender_(video_config.incoming_ssrc),
       num_audio_channels_(audio_config.channels),
       audio_sampling_rate_(audio_config.frequency),
       audio_codec_(audio_config.codec),
@@ skipping 178 matching lines @@
     TRACE_EVENT_INSTANT1(
         "cast_perf_test", "FrameDecoded",
         TRACE_EVENT_SCOPE_THREAD,
         "rtp_timestamp", rtp_timestamp);
   }
   callback.Run(video_frame, playout_time, is_continuous);
 }
 
 }  // namespace cast
 }  // namespace media