Fix erratic HTML5 audio playback

media/base/pipeline_impl.h

 // Copyright (c) 2011 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 & PipelineStatusNotification (an async-to-sync
 // callback adapter).
 
 #ifndef MEDIA_BASE_PIPELINE_IMPL_H_
 #define MEDIA_BASE_PIPELINE_IMPL_H_
 
@@ skipping 312 matching lines @@
 
   // Whether or not the pipeline is pending a stop operation.
   bool stop_pending_;
 
   // Whether or not the pipeline is perform a stop operation.
   bool tearing_down_;
 
   // Whether or not an error triggered the teardown.
   bool error_caused_teardown_;
 
+  // Wheather or not a playback rate change should be done once seeking is done.

[Avi (use Gerrit), 2011/04/09 05:35:24]

drive-by: spelling of "Whether"

+  bool playback_rate_change_pending_;
+
   // Duration of the media in microseconds.  Set by filters.
   base::TimeDelta duration_;
 
   // Amount of available buffered data in microseconds.  Set by filters.
   base::TimeDelta buffered_time_;
 
   // Amount of available buffered data.  Set by filters.
   int64 buffered_bytes_;
 
   // Total size of the media.  Set by filters.
@@ skipping 22 matching lines @@
   // Current value of preload attribute. This value is set immediately via
   // SetPreload() and a task is dispatched on the message loop to notify the
   // filters.
   Preload preload_;
 
   // Current playback rate (>= 0.0f).  This value is set immediately via
   // SetPlaybackRate() and a task is dispatched on the message loop to notify
   // the filters.
   float playback_rate_;
 
+  // Playback rate to set when the current seek has finished.
+  float pending_playback_rate_;
+
   // Reference clock.  Keeps track of current playback time.  Uses system
   // clock and linear interpolation, but can have its time manually set
   // by filters.
   scoped_ptr<Clock> clock_;
 
   // If this value is set to true, then |clock_| is paused and we are waiting
   // for an update of the clock greater than or equal to the elapsed time to
   // start the clock.
   bool waiting_for_clock_update_;
 
@@ skipping 62 matching lines @@
   PipelineStatistics statistics_;
 
   FRIEND_TEST_ALL_PREFIXES(PipelineImplTest, GetBufferedTime);
 
   DISALLOW_COPY_AND_ASSIGN(PipelineImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_PIPELINE_IMPL_H_