multichannel input now works, but we still need to make it so we don't  negotiate less channels than we actually have
multichannel input now works, but we still need to make it so we don't 
negotiate less channels than we actually have


git-svn-id: c8e15679f62162744607fb5135e11e07de46de6b@407 ac7a513c-5e3a-0410-af42-968c3ac6e7dc

andrevmatos/psimedia,andrevmatos/psimedia