Helper method to send a message to all flowgraphs


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12153 a612230a-c5fa-0310-af8b-88eea846685b
Avoid divide by zero if output device is disabled.


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12154 a612230a-c5fa-0310-af8b-88eea846685b
Don't use disabled output device to push frames to


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12155 a612230a-c5fa-0310-af8b-88eea846685b
Need to set the mic device ID in the message handler


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12156 a612230a-c5fa-0310-af8b-88eea846685b
Send a message to all flowgraphs when setting new input or output device.


git-svn-id: http://scm.sipfoundry.org/rep/sipX/main@12157 a612230a-c5fa-0310-af8b-88eea846685b