send pipeline clock is always the master.  properly handle clock changes (this happens if recv is active and send starts/stops).  properly handle clock reffing and cleanup.  make PSI_NO_SHARED_CLOCK actually work.
send pipeline clock is always the master.  properly handle clock changes
(this happens if recv is active and send starts/stops).  properly handle
clock reffing and cleanup.  make PSI_NO_SHARED_CLOCK actually work.


git-svn-id: c8e15679f62162744607fb5135e11e07de46de6b@572 ac7a513c-5e3a-0410-af42-968c3ac6e7dc

andrevmatos/psimedia,andrevmatos/psimedia