Update media duration if data is appended after the previous duration

webkit/media/webmediaplayer_impl.cc

 // Copyright (c) 2012 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 "webkit/media/webmediaplayer_impl.h"
 
 #include <limits>
 #include <string>
 #include <vector>
 
@@ skipping 871 matching lines @@
 
     case media::PIPELINE_STATUS_MAX:
       NOTREACHED() << "PIPELINE_STATUS_MAX isn't a real error!";
       break;
   }
 
   // Repaint to trigger UI update.
   Repaint();
 }
 
+void WebMediaPlayerImpl::OnPipelineDurationChanged() {
+  DCHECK_EQ(main_loop_, MessageLoop::current());
+
+  GetClient()->durationChanged();
+}
+
 void WebMediaPlayerImpl::OnDemuxerOpened() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
   GetClient()->sourceOpened();
 }
 
 void WebMediaPlayerImpl::OnKeyAdded(const std::string& key_system,
                                     const std::string& session_id) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
 
@@ skipping 83 matching lines @@
           "is_downloading_data", is_downloading));
 }
 
 void WebMediaPlayerImpl::StartPipeline() {
   started_ = true;
   pipeline_->Start(
       filter_collection_.Pass(),
       base::Bind(&WebMediaPlayerProxy::PipelineEndedCallback, proxy_.get()),
       base::Bind(&WebMediaPlayerProxy::PipelineErrorCallback, proxy_.get()),
       base::Bind(&WebMediaPlayerProxy::PipelineInitializationCallback,
+                 proxy_.get()),
+      base::Bind(&WebMediaPlayerProxy::PipelineDurationChangedCallback,
                  proxy_.get()));
 }
 
 void WebMediaPlayerImpl::SetNetworkState(WebMediaPlayer::NetworkState state) {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   DVLOG(1) << "SetNetworkState: " << state;
   network_state_ = state;
   // Always notify to ensure client has the latest value.
   GetClient()->networkStateChanged();
 }
@@ skipping 52 matching lines @@
   return audio_source_provider_;
 }
 
 void WebMediaPlayerImpl::IncrementExternallyAllocatedMemory() {
   DCHECK_EQ(main_loop_, MessageLoop::current());
   incremented_externally_allocated_memory_ = true;
   v8::V8::AdjustAmountOfExternalAllocatedMemory(kPlayerExtraMemory);
 }
 
 }  // namespace webkit_media