[dvdplayer] New scheme for PLL adjustment for video clock
add canseek and drop unused rtmp options
dvdplayer: avoid short screen flicker caused by unnecessary reconfigure of renderer
dvdplayer: allow rewinding at end of stream, do a seek after rewind
do database clean on thread
use extended progress bar for library clean
VAAPI: Use Component Logging
VDPAU: Component Logging
IMX: Use Component Logging
MMAL: Use Component Logging
changed: Have CurlFile return m_bufferSize as chunksize
fixed: FileCache-full logic was wrong + create seperate IsCacheFull() functions
fixed: Don't keep reading source when cache is full (fixes #15500)
dvdplayer: fix dts correction, again