Chromecast: Use std::vector to pass video config in CMA

chromecast/media/cma/pipeline/audio_pipeline_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 "chromecast/media/cma/pipeline/audio_pipeline_impl.h"
 
 #include "base/bind.h"
 #include "chromecast/media/cma/backend/audio_pipeline_device.h"
 #include "chromecast/media/cma/base/buffering_defs.h"
 #include "chromecast/media/cma/base/cma_logging.h"
@@ skipping 91 matching lines @@
 
 void AudioPipelineImpl::Initialize(
     const ::media::AudioDecoderConfig& audio_config,
     scoped_ptr<CodedFrameProvider> frame_provider,
     const ::media::PipelineStatusCB& status_cb) {
   CMALOG(kLogControl) << "AudioPipelineImpl::Initialize "
                       << audio_config.AsHumanReadableString();
   if (frame_provider)
     SetCodedFrameProvider(frame_provider.Pass());
 
+  DCHECK(audio_config.IsValidConfig());
   if (!audio_device_->SetConfig(
          DecoderConfigAdapter::ToCastAudioConfig(kPrimary, audio_config)) ||
       !av_pipeline_impl_->Initialize()) {
     status_cb.Run(::media::PIPELINE_ERROR_INITIALIZATION_FAILED);
     return;
   }
   av_pipeline_impl_->TransitionToState(AvPipelineImpl::kFlushed);
   status_cb.Run(::media::PIPELINE_OK);
 }
 
@@ skipping 31 matching lines @@
   delta_stats.audio_bytes_decoded =
       current_stats.audio_bytes_decoded - previous_stats_.audio_bytes_decoded;
 
   previous_stats_ = current_stats;
 
   audio_client_.statistics_cb.Run(delta_stats);
 }
 
 }  // namespace media
 }  // namespace chromecast