ActiveAE: do not overwrite resmaple rate for transcoding
ActiveAE: do not flush engine on pause if stream is already paused
dvdplayer: do not instruct ffmpeg to drop frames before first frame has passed
CDVDDemuxPVRClient: zero-init props in RequestStreams()
[pvr] make all livetv views available to the user earlier (as soon as channels are fetched from the backend and before epg is loaded from the db) by changing the pvr/epg manager startup logic
ActiveAE: Add m_boostSilence option
ActiveAESink: Revisit Noise Generator and simplifiy