audio: Move private opensound API to audio private headers
Move this to media/, seems audio/ is only for old stuff. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22107 a95241bf-73f2-0310-859d-f6bbb57e9c96
OpenSound's driver API header, for use by OSS media node. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22105 a95241bf-73f2-0310-859d-f6bbb57e9c96