[Milhouse]

Experimental newclock4 build uploaded: #0803b

Same as build #0803, but with newclock4 patches in place of newclock3. See here for details.

newclock4 additions since previous build:

• [omxrenderer] Use ReleaseBuffer to free images
  
• [omxcodec] Support more codecs
  
• [omxcodec] More debug
  
• [VideoReferenceClock] Add OMX support
  
• [omx] Report decoded image name
  
• [players] Remove omxplayer as separately selectable player
  
• logging: Add microsecond timer to log messages
  
• [rbp/settings] Allow av sync type to be enabled
  
• [VideoReferenceClock] Hacky scheme to count vsyncs for clock sync
  
• [omxcodec] Don't use unknown for first timestamp - can cause blank screen with avi files
  
• [omxcodec] Release buffers on re-configure
  
• [omxrender] Use callback to player for bypass mode
  
• [players] Plumb in mute
  
• ffmpeg demuxer: faster channel change for PVR addons without internal demuxing
  
• fast channel switch, make sure extradata is decoded
  
• ffmpeg demuxer: allow a stream change if pat/pmt was not seen on open