Nice and easy fix for the media clock interpolating past the duration.

media/base/pipeline_impl.cc

 // Copyright (c) 2008-2009 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.
 //
 // TODO(scherkus): clean up PipelineImpl... too many crazy function names,
 // potential deadlocks, etc...
 
 #include "base/compiler_specific.h"
 #include "base/condition_variable.h"
 #include "base/stl_util-inl.h"
@@ skipping 184 matching lines @@
   volume_ = volume;
   if (running_) {
     message_loop_->PostTask(FROM_HERE,
         NewRunnableMethod(this, &PipelineImpl::VolumeChangedTask,
                           volume));
   }
 }
 
 base::TimeDelta PipelineImpl::GetCurrentTime() const {
   AutoLock auto_lock(lock_);
-  return clock_.Elapsed();
+  base::TimeDelta elapsed = clock_.Elapsed();
+  if (elapsed > duration_) {
+    return duration_;
+  }
+  return elapsed;
 }
 
 base::TimeDelta PipelineImpl::GetBufferedTime() const {
   AutoLock auto_lock(lock_);
   return buffered_time_;
 }
 
 base::TimeDelta PipelineImpl::GetDuration() const {
   AutoLock auto_lock(lock_);
   return duration_;
@@ skipping 588 matching lines @@
 
   // Reset the pipeline, which will decrement a reference to this object.
   // We will get destroyed as soon as the remaining tasks finish executing.
   // To be safe, we'll set our pipeline reference to NULL.
   filters_.clear();
   filter_types_.clear();
   STLDeleteElements(&filter_threads_);
 }
 
 }  // namespace media