Android: Propagate sample rate change to audio decoder job

media/base/android/media_decoder_job.h

 // Copyright 2013 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.
 
 #ifndef MEDIA_BASE_ANDROID_MEDIA_DECODER_JOB_H_
 #define MEDIA_BASE_ANDROID_MEDIA_DECODER_JOB_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 213 matching lines @@
 
   // Returns true if the |configs| doesn't match the current demuxer configs
   // the decoder job has.
   virtual bool AreDemuxerConfigsChanged(
       const DemuxerConfigs& configs) const = 0;
 
   // Returns true if |media_codec_bridge_| needs to be reconfigured for the
   // new DemuxerConfigs, or false otherwise.
   virtual bool IsCodecReconfigureNeeded(const DemuxerConfigs& configs) const;
 
-  // Update the output format from the decoder, returns true if the output
-  // format changes, or false otherwise.
-  virtual bool UpdateOutputFormat();
+  // Update the output format from the decoder. Runs |config_changed_cb| only if
+  // format actually changes and there are no errors. Returns false on error,
+  // true otherwise
+  virtual bool UpdateOutputFormat(const base::Closure& config_changed_cb) = 0;
 
   // Return the index to |received_data_| that is not currently being decoded.
   size_t inactive_demuxer_data_index() const {
     return 1 - current_demuxer_data_index_;
   }
 
   // The UI message loop where callbacks should be dispatched.
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   // The task runner that decoder job runs on.
@@ skipping 91 matching lines @@
   // This access unit is passed to the decoder during config changes to drain
   // the decoder.
   AccessUnit eos_unit_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MediaDecoderJob);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_DECODER_JOB_H_