Motown: Change media type (stream type) representation

services/media/factory_service/media_sink_impl.cc

 // Copyright 2016 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 "base/logging.h"
 #include "mojo/services/media/common/cpp/linear_transform.h"
 #include "mojo/services/media/common/cpp/local_time.h"
 #include "services/media/factory_service/media_sink_impl.h"
 #include "services/media/framework/conversion_pipeline_builder.h"
 #include "services/media/framework_mojo/mojo_type_conversions.h"
@@ skipping 94 matching lines @@
                                 &graph_, &out, &producer_stream_type);
     if (!result) {
       // Failed to build conversion pipeline.
       producer_state_ = MediaState::FAULT;
       status_publisher_.SendUpdates();
       return;
     }
 
     graph_.ConnectOutputToPart(out, producer_ref);
 
-    switch (producer_stream_type->scheme()) {
-      case StreamType::Scheme::kLpcm:
-        frames_per_second_ = producer_stream_type->lpcm()->frames_per_second();
-        break;
-      case StreamType::Scheme::kCompressedAudio:
-        frames_per_second_ =
-            producer_stream_type->compressed_audio()->frames_per_second();
-        break;
-      default:
-        // Unsupported producer stream type.
-        producer_state_ = MediaState::FAULT;
-        status_publisher_.SendUpdates();
-        return;
+    if (producer_stream_type->medium() == StreamType::Medium::kAudio) {
+      frames_per_second_ = producer_stream_type->audio()->frames_per_second();
+    } else {
+      // Unsupported producer stream type.
+      LOG(ERROR) << "unsupported producer stream type";
+      abort();
     }
 
     controller_->Configure(
         std::move(producer_stream_type),
         [this](MediaConsumerPtr consumer, RateControlPtr rate_control) {
           DCHECK(consumer);
           DCHECK(rate_control);
           rate_control_ = rate_control.Pass();
           producer_->Connect(consumer.Pass(), [this]() {
             graph_.Prepare();
@@ skipping 119 matching lines @@
   status_transform_->quad->target_delta = rate_frames_per_tick.denominator;
   LinearTransform::Ratio::Reduce(&status_transform_->quad->reference_delta,
                                  &status_transform_->quad->target_delta);
 
   rate_ = target_rate_;
   status_publisher_.SendUpdates();
 }
 
 }  // namespace media
 }  // namespace mojo