cleanup, fixed some warnings


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21128 a95241bf-73f2-0310-859d-f6bbb57e9c96

Added SoundRecorder (inspired by SoundCapture from beos samples)
Alpha state


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13035 a95241bf-73f2-0310-859d-f6bbb57e9c96