Encrypted Media: Update config/state after config changed in DecryptingAudioDecoder.

media/filters/decrypting_audio_decoder.h

 // Copyright (c) 2012 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_FILTERS_DECRYPTING_AUDIO_DECODER_H_
 #define MEDIA_FILTERS_DECRYPTING_AUDIO_DECODER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/audio_decoder.h"
@@ skipping 84 matching lines @@
                       Decryptor::Status status,
                       const Decryptor::AudioBuffers& frames);
 
   // Callback for the |decryptor_| to notify this object that a new key has been
   // added.
   void OnKeyAdded();
 
   // Resets decoder and calls |reset_cb_|.
   void DoReset();
 
+  // Updates audio configs from |demuxer_stream_| and resets
+  // |output_timestamp_base_| and |total_samples_decoded_|.
+  void UpdateDecoderConfig();
+
   // Sets timestamp and duration for |queued_audio_frames_| to make sure the
   // renderer always receives continuous frames without gaps and overlaps.
   void EnqueueFrames(const Decryptor::AudioBuffers& frames);
 
   // Converts number of samples to duration.
   base::TimeDelta NumberOfSamplesToDuration(int number_of_samples) const;
 
   scoped_refptr<base::MessageLoopProxy> message_loop_;
 
   State state_;
@@ skipping 32 matching lines @@
 
   base::TimeDelta output_timestamp_base_;
   int total_samples_decoded_;
 
   DISALLOW_COPY_AND_ASSIGN(DecryptingAudioDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECRYPTING_AUDIO_DECODER_H_