preparation for recycling buffer, patch 2

media/base/pipeline_impl.h

 // 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.
 
 // Implementation of Pipeline.
 
 #ifndef MEDIA_BASE_PIPELINE_IMPL_H_
 #define MEDIA_BASE_PIPELINE_IMPL_H_
 
 #include <set>
@@ skipping 100 matching lines @@
   enum State {
     kCreated,
     kInitDataSource,
     kInitDemuxer,
     kInitAudioDecoder,
     kInitAudioRenderer,
     kInitVideoDecoder,
     kInitVideoRenderer,
     kPausing,
     kSeeking,
+    kFlushing,
     kStarting,
     kStarted,
     kEnded,
     kStopping,
     kStopped,
     kError,
   };
 
   virtual ~PipelineImpl();
 
@@ skipping 284 matching lines @@
   FilterThreadVector filter_threads_;
 
   FRIEND_TEST_ALL_PREFIXES(PipelineImplTest, GetBufferedTime);
 
   DISALLOW_COPY_AND_ASSIGN(PipelineImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_IMPL_H_