Chromecast: fixes crash in AvPipelineImpl teardown.

chromecast/media/cma/filters/cma_renderer.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 "chromecast/media/cma/filters/cma_renderer.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 48 matching lines @@
 
   time_interpolator_->SetUpperBound(base::TimeDelta());
 }
 
 CmaRenderer::~CmaRenderer() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!init_cb_.is_null())
     base::ResetAndReturn(&init_cb_).Run(::media::PIPELINE_ERROR_ABORT);
   else if (!flush_cb_.is_null())
     base::ResetAndReturn(&flush_cb_).Run();
+
+  if (has_audio_ || has_video_)
+    media_pipeline_->Stop();
 }
 
 void CmaRenderer::Initialize(
     ::media::DemuxerStreamProvider* demuxer_stream_provider,
     const ::media::PipelineStatusCB& init_cb,
     const ::media::StatisticsCB& statistics_cb,
     const ::media::BufferingStateCB& buffering_state_cb,
     const PaintCB& paint_cb,
     const base::Closure& ended_cb,
     const ::media::PipelineStatusCB& error_cb,
@@ skipping 380 matching lines @@
   is_pending_transition_ = true;
 }
 
 void CmaRenderer::CompleteStateTransition(State new_state) {
   state_ = new_state;
   is_pending_transition_ = false;
 }
 
 }  // namespace media
 }  // namespace chromecast