Separate DemuxerStream and VideoDecoder.

media/filters/decrypting_demuxer_stream.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_DEMUXER_STREAM_H_
 #define MEDIA_FILTERS_DECRYPTING_DEMUXER_STREAM_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 19 matching lines @@
  public:
   DecryptingDemuxerStream(
       const scoped_refptr<base::MessageLoopProxy>& message_loop,
       const SetDecryptorReadyCB& set_decryptor_ready_cb);
   virtual ~DecryptingDemuxerStream();
 
   void Initialize(DemuxerStream* stream,
                   const PipelineStatusCB& status_cb);
   void Reset(const base::Closure& closure);
 
-  // Creates and initializes either |audio_config_| or |video_config_| based on
-  // |demuxer_stream_|.
-  // TODO(xhwang): Make this private after the hack in VideoFrameStream is
-  // removed.
-  void InitializeDecoderConfig();
-
   // DemuxerStream implementation.
   virtual void Read(const ReadCB& read_cb) OVERRIDE;
   virtual AudioDecoderConfig audio_decoder_config() OVERRIDE;
   virtual VideoDecoderConfig video_decoder_config() OVERRIDE;
   virtual Type type() OVERRIDE;
   virtual void EnableBitstreamConverter() OVERRIDE;
 
  private:
   // For a detailed state diagram please see this link: http://goo.gl/8jAok
   // TODO(xhwang): Add a ASCII state diagram in this file after this class
@@ skipping 24 matching lines @@
   // 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();
 
   // Returns Decryptor::StreamType converted from |stream_type_|.
   Decryptor::StreamType GetDecryptorStreamType() const;
 
+  // Creates and initializes either |audio_config_| or |video_config_| based on
+  // |demuxer_stream_|.
+  void InitializeDecoderConfig();
+
   scoped_refptr<base::MessageLoopProxy> message_loop_;
   base::WeakPtrFactory<DecryptingDemuxerStream> weak_factory_;
   base::WeakPtr<DecryptingDemuxerStream> weak_this_;
 
   State state_;
 
   PipelineStatusCB init_cb_;
   ReadCB read_cb_;
   base::Closure reset_cb_;
 
@@ skipping 16 matching lines @@
   // If this variable is true and kNoKey is returned then we need to try
   // decrypting again in case the newly added key is the correct decryption key.
   bool key_added_while_decrypt_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(DecryptingDemuxerStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECRYPTING_DEMUXER_STREAM_H_