- std::map<AudioStreamPtr, Frame> _positions;
- std::map<AudioStreamPtr, boost::shared_ptr<Resampler> > _resamplers;
+ typedef std::map<AudioStreamPtr, Frame> PositionMap;
+ PositionMap _positions;
+ typedef std::map<AudioStreamPtr, boost::shared_ptr<Resampler> > ResamplerMap;
+ ResamplerMap _resamplers;