129   static AbstractDecoder*     _shared_decoder;

   129   static AbstractDecoder*     _shared_decoder;

   130   static AbstractDecoder*     _error_handler_decoder;

   130   static AbstractDecoder*     _error_handler_decoder;

   131   static NullDecoder          _do_nothing_decoder;

   131   static NullDecoder          _do_nothing_decoder;

   132 

   132 

   133 protected:

   133 protected:

   135   static Mutex* shared_decoder_lock();

   134   static Mutex* shared_decoder_lock();

   136 

   135 

   137   friend class DecoderLocker;

   136   friend class DecoderLocker;

   138 };

   137 };

   139 

   138