Motown: Improvements to packet definition

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 222 matching lines @@
   // TODO(dalesat): start_local_time should be supplied via the mojo interface.
   // For now, it's hard-coded to be 30ms in the future.
   // The local time when we want the rate to change.
   int64_t start_local_time =
       (LocalClock::now().time_since_epoch() + std::chrono::milliseconds(30)).
           count();
 
   // The media time corresponding to start_local_time.
   int64_t start_media_time;
   if (flushed_ &&
-      producer_->GetFirstPresentationTimeSinceFlush() !=
-          Packet::kUnknownPresentationTime) {
+      producer_->GetFirstPtsSinceFlush() != Packet::kUnknownPts) {
     // We're getting started initially or after a flush/prime, so the media
     // time corresponding to start_local_time should be the PTS of
     // the first packet.
-    start_media_time = producer_->GetFirstPresentationTimeSinceFlush();
+    start_media_time = producer_->GetFirstPtsSinceFlush();
   } else {
     // We're resuming, so the media time corresponding to start_local_time can
     // be calculated using the existing transform.
     success =
         transform_.DoForwardTransform(start_local_time, &start_media_time);
     DCHECK(success)
         << "LinearTransform::DoForwardTransform reports loss of precision";
   }
 
   flushed_ = false;
@@ skipping 48 matching lines @@
   LinearTransform::Ratio::Reduce(
       &status_transform_->quad->reference_delta,
       &status_transform_->quad->target_delta);
 
   rate_ = target_rate_;
   StatusUpdated();
 }
 
 } // namespace media
 } // namespace mojo