some section description for tcpmixsrc
base on GstBaseSrc
experimenting element-base gsttcpmixsrc
prototyping pipeline in the server process for "mixser source"
add tcpmixsrc test script
tcpmixsrc: connections accepted as per pad
tcpmixsrc: TODO: not-linked error
tcpmixsrc: solved not-linked error
Merge branch 'tcp-mix-src-element-base' into switch-server
gst-switch-srv:

  *) Use tcpmixsrv
  *) Add "--port" command line switch
remove per second dot output
fix warnings
add some test code; a bit refactored on tcpmixsrc
add more test code
working on "switch" module
1-to-1 switching works, TODO: N-to-N switching
switch now can accept multiple inputs to a "default" output; TODO: cases handling
add lock; refactored a bit
testing tcpmixsrc+switch
tcpmixsrc: improved and refined pad startup