Reporting a more accurate buffered time for the video tag

webkit/glue/webmediaplayer_impl.cc

 // Copyright (c) 2010 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/glue/webmediaplayer_impl.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "media/base/limits.h"
 #include "media/base/media_format.h"
@@ skipping 428 matching lines @@
   // TODO(hclam): Add this method call if pipeline has it in the interface.
   return 0;
 }
 
 const WebKit::WebTimeRanges& WebMediaPlayerImpl::buffered() const {
   DCHECK(MessageLoop::current() == main_loop_);
 
   return buffered_;
 }
 
+const WebKit::WebTimeRanges& WebMediaPlayerImpl::buffered() {
+  DCHECK(MessageLoop::current() == main_loop_);
+
+  // Update buffered_ with the most recent buffered time.
+  if (buffered_.size() > 0) {
+    float buffered_time = static_cast<float>(
+        pipeline_->GetBufferedTime().InSecondsF());
+    if (buffered_time >= buffered_[0].start)
+      buffered_[0].end = buffered_time;
+  }
+
+  return buffered_;
+}
+
 float WebMediaPlayerImpl::maxTimeSeekable() const {
   DCHECK(MessageLoop::current() == main_loop_);
 
   // If we are performing streaming, we report that we cannot seek at all.
   // We are using this flag to indicate if the data source supports seeking
   // or not. We should be able to seek even if we are performing streaming.
   // TODO(hclam): We need to update this when we have better caching.
   if (pipeline_->IsStreaming())
     return 0.0f;
   return static_cast<float>(pipeline_->GetMediaDuration().InSecondsF());
@@ skipping 237 matching lines @@
   }
 }
 
 WebKit::WebMediaPlayerClient* WebMediaPlayerImpl::GetClient() {
   DCHECK(MessageLoop::current() == main_loop_);
   DCHECK(client_);
   return client_;
 }
 
 }  // namespace webkit_glue