AESinkALSA: Set correct value for AES3 when using HBR mode

According to the HDMI 1.4a document, the only acceptable value
for AES3 in HBR mode is 0x09, which corresponds to a frame rate
of 768000. Some sinks or drivers ignore this, but some do not.
AESinkALSA: Allow fragmentation, e.g. even multiply of PeriodSize
renderer: use 3 render buffers for sw decoding, restores bahavior after 71f50d3677409a3ba3f8533daae105e6e0366a1
Merge pull request #5682 from fritsch/cubox

AE: Some fixes for the Cubox hardware
Merge pull request #5689 from FernetMenta/renderbuffers

renderer: use 3 render buffers for sw decoding, restores bahavior after ...
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
dvdplayer: observe pts counter overflow
dvdplayer: avoid short screen flicker caused by unnecessary reconfigure of renderer
vdpau: advanced settings for auto deinterlacing
player: fix rewind
fix incorrect display of fps when dr kicks in
ActiveAE: slightly reduce buffer size
Revert "vdpau: comment some features that will be added later"

This reverts commit e00b4f65864d623ab4d2e9e5c06db138e661f1cf.
xbmc pr 3080
ActiveAE: add some debug logging
dvdplayer: rename codec ctrl flags