Original commit message from CVS:
Don't change mixer if there's nothing to change. This caused a bug if the soundcard only supports one input and I call this function with rec=TRUE twice.
Original commit message from CVS:
Make GstMixerTrack a GObject. I also want to make it emit several signals, starting work is in here but it's not fully implemented yet. for OSS, this will cause issues, but for ALSA, this is all automated.
Original commit message from CVS:
Interface implementation example: OSS mixer. Also osscommon->osselement so it can be loaded without being a source/sink (for a stand-alone mixer)