Implement disabling and enabling media tracks

media/mojo/services/mojo_renderer_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/mojo/services/mojo_renderer_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 106 matching lines @@
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   {
     base::AutoLock auto_lock(lock_);
     time_ = time;
   }
 
   remote_renderer_->StartPlayingFrom(time.InMicroseconds());
 }
 
+void MojoRendererImpl::RestartStreamPlayback(DemuxerStream* stream,
+                                             base::TimeDelta time) {
+  DVLOG(2) << __FUNCTION__;
+  DCHECK(task_runner_->BelongsToCurrentThread());
+  bool video_stream = (stream->type() == DemuxerStream::VIDEO);
+  remote_renderer_->RestartStreamPlayback(video_stream, time.InMicroseconds());
+}
+
 void MojoRendererImpl::SetPlaybackRate(double playback_rate) {
   DVLOG(2) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   remote_renderer_->SetPlaybackRate(playback_rate);
 }
 
 void MojoRendererImpl::SetVolume(float volume) {
   DVLOG(2) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   remote_renderer_->SetVolume(volume);
@@ skipping 79 matching lines @@
 void MojoRendererImpl::OnInitialized(bool success) {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(!init_cb_.is_null());
 
   base::ResetAndReturn(&init_cb_)
       .Run(success ? PIPELINE_OK : PIPELINE_ERROR_INITIALIZATION_FAILED);
 }
 
 }  // namespace media