srt: parse url and set options

for latency, maximum bandwidth, etc.

Signed-off-by: Thomas Guillem <thomas@gllm.fr>
(cherry picked from commit f9858572) (edited)
edited:
* 4.0 used N_() on removed strings
* 3.0 needs advanced flag for add_password()

Signed-off-by: Steve Lhomme <robux4@ycbcr.xyz>