In addition to #rtp{sdp=sap}, we can now use #rtp{sap}

(at least currently)

(CPU features don't change across libvlc instances)

Signed-off-by: Rémi Denis-Courmont <rem@videolan.org>

Only TIME based, not Frame based, yet.

Almost unused subtitle. No idea though if FPS or 1/10th of sec, Annodex and MPlayer disagree...

Parsing is fine but timing is wrong since it must be multiplied by FPS.