+ bool _last_seek_accurate;
+
+ RtAudio _audio;
+ int _audio_channels;
+ unsigned int _audio_block_size;
+ bool _playing;
+ boost::shared_ptr<Butler> _butler;
+
+ std::list<Frame> _latency_history;
+ /** Mutex to protect _latency_history */
+ mutable boost::mutex _latency_history_mutex;
+ int _latency_history_count;