VideoRenerers: add buffering
linuxrenderer: delete all textures on reconfigure
drop frame counter in application, ask render manager instead
videoplayer: adopt lateness detection and dropping to buffering
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
video player: present correct pts to user for a/v sync (after buffering in renderer)
vaapi: adopt to buffering in renderer
vdpau: redesign
vdpau: make interop gl default and remove setting, rename and intvert interop yuv
vdpau: drop studio level conversion
vdpau: observe ffmpeg tags for color space
linuxrenderer: drop method RenderMultiPass
linuxrenderer: implement progressive weave for vdpau