Symbol: _ProcessGroup
src/add-ons/media/media-add-ons/multi_audio/MultiAudioNode.cpp
1664
MultiAudioNode::_ProcessGroup(BParameterGroup* group, int32 index,
src/add-ons/media/media-add-ons/opensound/OpenSoundNode.cpp
1929
OpenSoundNode::_ProcessGroup(BParameterGroup *group, int32 index,